diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-11 11:23:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-11 11:23:06 -0700 |
| commit | f29135b54bcbfe1fea97d94e2ae860bade1d5a31 (patch) | |
| tree | cd6cf1887c689b0fdd802bb8f16d3253adbc54c0 | |
| parent | 4c609922a3ae0248597785d1f9adc8f142a80aef (diff) | |
| parent | 19c4d2f994788a954af1aa7e53b0fdb46fd7925a (diff) | |
| download | linux-stable-f29135b54bcbfe1fea97d94e2ae860bade1d5a31.tar.gz linux-stable-f29135b54bcbfe1fea97d94e2ae860bade1d5a31.tar.bz2 linux-stable-f29135b54bcbfe1fea97d94e2ae860bade1d5a31.zip | |
Merge branch 'for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs updates from Chris Mason:
"This is a big variety of fixes and cleanups.
Liu Bo continues to fixup fuzzer related problems, and some of Josef's
cleanups are prep for his bigger extent buffer changes (slated for
v4.10)"
* 'for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (39 commits)
Revert "btrfs: let btrfs_delete_unused_bgs() to clean relocated bgs"
Btrfs: remove unnecessary btrfs_mark_buffer_dirty in split_leaf
Btrfs: don't BUG() during drop snapshot
btrfs: fix btrfs_no_printk stub helper
Btrfs: memset to avoid stale content in btree leaf
btrfs: parent_start initialization cleanup
btrfs: Remove already completed TODO comment
btrfs: Do not reassign count in btrfs_run_delayed_refs
btrfs: fix a possible umount deadlock
Btrfs: fix memory leak in do_walk_down
btrfs: btrfs_debug should consume fs_info when DEBUG is not defined
btrfs: convert send's verbose_printk to btrfs_debug
btrfs: convert pr_* to btrfs_* where possible
btrfs: convert printk(KERN_* to use pr_* calls
btrfs: unsplit printed strings
btrfs: clean the old superblocks before freeing the device
Btrfs: kill BUG_ON in run_delayed_tree_ref
Btrfs: don't leak reloc root nodes on error
btrfs: squash lines for simple wrapper functions
Btrfs: improve check_node to avoid reading corrupted nodes
...
43 files changed, 1563 insertions, 1071 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 455a6b2fd539..85dc7ab8f89e 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -17,6 +17,7 @@ */ #include <linux/vmalloc.h> +#include <linux/rbtree.h> #include "ctree.h" #include "disk-io.h" #include "backref.h" @@ -34,6 +35,265 @@ struct extent_inode_elem { struct extent_inode_elem *next; }; +/* + * ref_root is used as the root of the ref tree that hold a collection + * of unique references. + */ +struct ref_root { + struct rb_root rb_root; + + /* + * The unique_refs represents the number of ref_nodes with a positive + * count stored in the tree. Even if a ref_node (the count is greater + * than one) is added, the unique_refs will only increase by one. + */ + unsigned int unique_refs; +}; + +/* ref_node is used to store a unique reference to the ref tree. */ +struct ref_node { + struct rb_node rb_node; + + /* For NORMAL_REF, otherwise all these fields should be set to 0 */ + u64 root_id; + u64 object_id; + u64 offset; + + /* For SHARED_REF, otherwise parent field should be set to 0 */ + u64 parent; + + /* Ref to the ref_mod of btrfs_delayed_ref_node */ + int ref_mod; +}; + +/* Dynamically allocate and initialize a ref_root */ +static struct ref_root *ref_root_alloc(void) +{ + struct ref_root *ref_tree; + + ref_tree = kmalloc(sizeof(*ref_tree), GFP_NOFS); + if (!ref_tree) + return NULL; + + ref_tree->rb_root = RB_ROOT; + ref_tree->unique_refs = 0; + + return ref_tree; +} + +/* Free all nodes in the ref tree, and reinit ref_root */ +static void ref_root_fini(struct ref_root *ref_tree) +{ + struct ref_node *node; + struct rb_node *next; + + while ((next = rb_first(&ref_tree->rb_root)) != NULL) { + node = rb_entry(next, struct ref_node, rb_node); + rb_erase(next, &ref_tree->rb_root); + kfree(node); + } + + ref_tree->rb_root = RB_ROOT; + ref_tree->unique_refs = 0; +} + +static void ref_root_free(struct ref_root *ref_tree) +{ + if (!ref_tree) + return; + + ref_root_fini(ref_tree); + kfree(ref_tree); +} + +/* + * Compare ref_node with (root_id, object_id, offset, parent) + * + * The function compares two ref_node a and b. It returns an integer less + * than, equal to, or greater than zero , respectively, to be less than, to + * equal, or be greater than b. + */ +static int ref_node_cmp(struct ref_node *a, struct ref_node *b) +{ + if (a->root_id < b->root_id) + return -1; + else if (a->root_id > b->root_id) + return 1; + + if (a->object_id < b->object_id) + return -1; + else if (a->object_id > b->object_id) + return 1; + + if (a->offset < b->offset) + return -1; + else if (a->offset > b->offset) + return 1; + + if (a->parent < b->parent) + return -1; + else if (a->parent > b->parent) + return 1; + + return 0; +} + +/* + * Search ref_node with (root_id, object_id, offset, parent) in the tree + * + * if found, the pointer of the ref_node will be returned; + * if not found, NULL will be returned and pos will point to the rb_node for + * insert, pos_parent will point to pos'parent for insert; +*/ +static struct ref_node *__ref_tree_search(struct ref_root *ref_tree, + struct rb_node ***pos, + struct rb_node **pos_parent, + u64 root_id, u64 object_id, + u64 offset, u64 parent) +{ + struct ref_node *cur = NULL; + struct ref_node entry; + int ret; + + entry.root_id = root_id; + entry.object_id = object_id; + entry.offset = offset; + entry.parent = parent; + + *pos = &ref_tree->rb_root.rb_node; + + while (**pos) { + *pos_parent = **pos; + cur = rb_entry(*pos_parent, struct ref_node, rb_node); + + ret = ref_node_cmp(cur, &entry); + if (ret > 0) + *pos = &(**pos)->rb_left; + else if (ret < 0) + *pos = &(**pos)->rb_right; + else + return cur; + } + + return NULL; +} + +/* + * Insert a ref_node to the ref tree + * @pos used for specifiy the position to insert + * @pos_parent for specifiy pos's parent + * + * success, return 0; + * ref_node already exists, return -EEXIST; +*/ +static int ref_tree_insert(struct ref_root *ref_tree, struct rb_node **pos, + struct rb_node *pos_parent, struct ref_node *ins) +{ + struct rb_node **p = NULL; + struct rb_node *parent = NULL; + struct ref_node *cur = NULL; + + if (!pos) { + cur = __ref_tree_search(ref_tree, &p, &parent, ins->root_id, + ins->object_id, ins->offset, + ins->parent); + if (cur) + return -EEXIST; + } else { + p = pos; + parent = pos_parent; + } + + rb_link_node(&ins->rb_node, parent, p); + rb_insert_color(&ins->rb_node, &ref_tree->rb_root); + + return 0; +} + +/* Erase and free ref_node, caller should update ref_root->unique_refs */ +static void ref_tree_remove(struct ref_root *ref_tree, struct ref_node *node) +{ + rb_erase(&node->rb_node, &ref_tree->rb_root); + kfree(node); +} + +/* + * Update ref_root->unique_refs + * + * Call __ref_tree_search + * 1. if ref_node doesn't exist, ref_tree_insert this node, and update + * ref_root->unique_refs: + * if ref_node->ref_mod > 0, ref_root->unique_refs++; + * if ref_node->ref_mod < 0, do noting; + * + * 2. if ref_node is found, then get origin ref_node->ref_mod, and update + * ref_node->ref_mod. + * if ref_node->ref_mod is equal to 0,then call ref_tree_remove + * + * according to origin_mod and new_mod, update ref_root->items + * +----------------+--------------+-------------+ + * | |new_count <= 0|new_count > 0| + * +----------------+--------------+-------------+ + * |origin_count < 0| 0 | 1 | + * +----------------+--------------+-------------+ + * |origin_count > 0| -1 | 0 | + * +----------------+--------------+-------------+ + * + * In case of allocation failure, -ENOMEM is returned and the ref_tree stays + * unaltered. + * Success, return 0 + */ +static int ref_tree_add(struct ref_root *ref_tree, u64 root_id, u64 object_id, + u64 offset, u64 parent, int count) +{ + struct ref_node *node = NULL; + struct rb_node **pos = NULL; + struct rb_node *pos_parent = NULL; + int origin_count; + int ret; + + if (!count) + return 0; + + node = __ref_tree_search(ref_tree, &pos, &pos_parent, root_id, + object_id, offset, parent); + if (node == NULL) { + node = kmalloc(sizeof(*node), GFP_NOFS); + if (!node) + return -ENOMEM; + + node->root_id = root_id; + node->object_id = object_id; + node->offset = offset; + node->parent = parent; + node->ref_mod = count; + + ret = ref_tree_insert(ref_tree, pos, pos_parent, node); + ASSERT(!ret); + if (ret) { + kfree(node); + return ret; + } + + ref_tree->unique_refs += node->ref_mod > 0 ? 1 : 0; + + return 0; + } + + origin_count = node->ref_mod; + node->ref_mod += count; + + if (node->ref_mod > 0) + ref_tree->unique_refs += origin_count > 0 ? 0 : 1; + else if (node->ref_mod <= 0) + ref_tree->unique_refs += origin_count > 0 ? -1 : 0; + + if (!node->ref_mod) + ref_tree_remove(ref_tree, node); + + return 0; +} + static int check_extent_in_eb(struct btrfs_key *key, struct extent_buffer *eb, struct btrfs_file_extent_item *fi, u64 extent_item_pos, @@ -390,8 +650,8 @@ static int __resolve_indirect_ref(struct btrfs_fs_info *fs_info, /* root node has been locked, we can release @subvol_srcu safely here */ srcu_read_unlock(&fs_info->subvol_srcu, index); - pr_debug("search slot in root %llu (level %d, ref count %d) returned " - "%d for key (%llu %u %llu)\n", + btrfs_debug(fs_info, + "search slot in root %llu (level %d, ref count %d) returned %d for key (%llu %u %llu)", ref->root_id, level, ref->count, ret, ref->key_for_search.objectid, ref->key_for_search.type, ref->key_for_search.offset); @@ -700,6 +960,7 @@ static int __add_delayed_refs(struct btrfs_delayed_ref_head *head, u64 seq, static int __add_inline_refs(struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 bytenr, int *info_level, struct list_head *prefs, + struct ref_root *ref_tree, u64 *total_refs, u64 inum) { int ret = 0; @@ -767,6 +1028,13 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info, count = btrfs_shared_data_ref_count(leaf, sdref); ret = __add_prelim_ref(prefs, 0, NULL, 0, offset, bytenr, count, GFP_NOFS); + if (ref_tree) { + if (!ret) + ret = ref_tree_add(ref_tree, 0, 0, 0, + bytenr, count); + if (!ret && ref_tree->unique_refs > 1) + ret = BACKREF_FOUND_SHARED; + } break; } case BTRFS_TREE_BLOCK_REF_KEY: @@ -794,6 +1062,15 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info, root = btrfs_extent_data_ref_root(leaf, dref); ret = __add_prelim_ref(prefs, root, &key, 0, 0, bytenr, count, GFP_NOFS); + if (ref_tree) { + if (!ret) + ret = ref_tree_add(ref_tree, root, + key.objectid, + key.offset, 0, + count); + if (!ret && ref_tree->unique_refs > 1) + ret = BACKREF_FOUND_SHARED; + } break; } default: @@ -812,7 +1089,8 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info, */ static int __add_keyed_refs(struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 bytenr, - int info_level, struct list_head *prefs, u64 inum) + int info_level, struct list_head *prefs, + struct ref_root *ref_tree, u64 inum) { struct btrfs_root *extent_root = fs_info->extent_root; int ret; @@ -855,6 +1133,13 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info, count = btrfs_shared_data_ref_count(leaf, sdref); ret = __add_prelim_ref(prefs, 0, NULL, 0, key.offset, bytenr, count, GFP_NOFS); + if (ref_tree) { + if (!ret) + ret = ref_tree_add(ref_tree, 0, 0, 0, + bytenr, count); + if (!ret && ref_tree->unique_refs > 1) + ret = BACKREF_FOUND_SHARED; + } break; } case BTRFS_TREE_BLOCK_REF_KEY: @@ -883,6 +1168,15 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info, root = btrfs_extent_data_ref_root(leaf, dref); ret = __add_prelim_ref(prefs, root, &key, 0, 0, bytenr, count, GFP_NOFS); + if (ref_tree) { + if (!ret) + ret = ref_tree_add(ref_tree, root, + key.objectid, + key.offset, 0, + count); + if (!ret && ref_tree->unique_refs > 1) + ret = BACKREF_FOUND_SHARED; + } break; } default: @@ -909,13 +1203,16 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info, * commit root. * The special case is for qgroup to search roots in commit_transaction(). * + * If check_shared is set to 1, any extent has more than one ref item, will + * be returned BACKREF_FOUND_SHARED immediately. + * * FIXME some caching might speed things up */ static int find_parent_nodes(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 bytenr, u64 time_seq, struct ulist *refs, struct ulist *roots, const u64 *extent_item_pos, - u64 root_objectid, u64 inum) + u64 root_objectid, u64 inum, int check_shared) { struct btrfs_key key; struct btrfs_path *path; @@ -927,6 +1224,7 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, struct list_head prefs; struct __prelim_ref *ref; struct extent_inode_elem *eie = NULL; + struct ref_root *ref_tree = NULL; u64 total_refs = 0; INIT_LIST_HEAD(&prefs); @@ -958,6 +1256,18 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, again: head = NULL; + if (check_shared) { + if (!ref_tree) { + ref_tree = ref_root_alloc(); + if (!ref_tree) { + ret = -ENOMEM; + goto out; + } + } else { + ref_root_fini(ref_tree); + } + } + ret = btrfs_search_slot(trans, fs_info->extent_root, &key, path, 0, 0); if (ret < 0) goto out; @@ -1002,6 +1312,36 @@ again: } else { spin_unlock(&delayed_refs->lock); } + + if (check_shared && !list_empty(&prefs_delayed)) { + /* + * Add all delay_ref to the ref_tree and check if there + * are multiple ref items added. + */ + list_for_each_entry(ref, &prefs_delayed, list) { + if (ref->key_for_search.type) { + ret = ref_tree_add(ref_tree, + ref->root_id, + ref->key_for_search.objectid, + ref->key_for_search.offset, + 0, ref->count); + if (ret) + goto out; + } else { + ret = ref_tree_add(ref_tree, 0, 0, 0, + ref->parent, ref->count); + if (ret) + goto out; + } + + } + + if (ref_tree->unique_refs > 1) { + ret = BACKREF_FOUND_SHARED; + goto out; + } + + } } if (path->slots[0]) { @@ -1017,11 +1357,13 @@ again: key.type == BTRFS_METADATA_ITEM_KEY)) { ret = __add_inline_refs(fs_info, path, bytenr, &info_level, &prefs, - &total_refs, inum); + ref_tree, &total_refs, + inum); if (ret) goto out; ret = __add_keyed_refs(fs_info, path, bytenr, - info_level, &prefs, inum); + info_level, &prefs, + ref_tree, inum); if (ret) goto out; } @@ -1106,6 +1448,7 @@ again: out: btrfs_free_path(path); + ref_root_free(ref_tree); while (!list_empty(&prefs)) { ref = list_first_entry(&prefs, struct __prelim_ref, list); list_del(&ref->list); @@ -1159,8 +1502,8 @@ static int btrfs_find_all_leafs(struct btrfs_trans_handle *trans, if (!*leafs) return -ENOMEM; - ret = find_parent_nodes(trans, fs_info, bytenr, - time_seq, *leafs, NULL, extent_item_pos, 0, 0); + ret = find_parent_nodes(trans, fs_info, bytenr, time_seq, + *leafs, NULL, extent_item_pos, 0, 0, 0); if (ret < 0 && ret != -ENOENT) { free_leaf_list(*leafs); return ret; @@ -1202,8 +1545,8 @@ static int __btrfs_find_all_roots(struct btrfs_trans_handle *trans, ULIST_ITER_INIT(&uiter); while (1) { - ret = find_parent_nodes(trans, fs_info, bytenr, - time_seq, tmp, *roots, NULL, 0, 0); + ret = find_parent_nodes(trans, fs_info, bytenr, time_seq, + tmp, *roots, NULL, 0, 0, 0); if (ret < 0 && ret != -ENOENT) { ulist_free(tmp); ulist_free(*roots); @@ -1273,7 +1616,7 @@ int btrfs_check_shared(struct btrfs_trans_handle *trans, ULIST_ITER_INIT(&uiter); while (1) { ret = find_parent_nodes(trans, fs_info, bytenr, elem.seq, tmp, - roots, NULL, root_objectid, inum); + roots, NULL, root_objectid, inum, 1); if (ret == BACKREF_FOUND_SHARED) { /* this is the only condition under which we return 1 */ ret = 1; @@ -1492,7 +1835,8 @@ int extent_from_logical(struct btrfs_fs_info *fs_info, u64 logical, if (found_key->objectid > logical || found_key->objectid + size <= logical) { - pr_debug("logical %llu is not within any extent\n", logical); + btrfs_debug(fs_info, + "logical %llu is not within any extent", logical); return -ENOENT; } @@ -1503,8 +1847,8 @@ int extent_from_logical(struct btrfs_fs_info *fs_info, u64 logical, ei = btrfs_item_ptr(eb, path->slots[0], struct btrfs_extent_item); flags = btrfs_extent_flags(eb, ei); - pr_debug("logical %llu is at position %llu within the extent (%llu " - "EXTENT_ITEM %llu) flags %#llx size %u\n", + btrfs_debug(fs_info, + "logical %llu is at position %llu within the extent (%llu EXTENT_ITEM %llu) flags %#llx size %u", logical, logical - found_key->objectid, found_key->objectid, found_key->offset, flags, item_size); @@ -1625,21 +1969,24 @@ int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb, return 0; } -static int iterate_leaf_refs(struct extent_inode_elem *inode_list, - u64 root, u64 extent_item_objectid, - iterate_extent_inodes_t *iterate, void *ctx) +static int iterate_leaf_refs(struct btrfs_fs_info *fs_info, + struct extent_inode_elem *inode_list, + u64 root, u64 extent_item_objectid, + iterate_extent_inodes_t *iterate, void *ctx) { struct extent_inode_elem *eie; int ret = 0; for (eie = inode_list; eie; eie = eie->next) { - pr_debug("ref for %llu resolved, key (%llu EXTEND_DATA %llu), " - "root %llu\n", extent_item_objectid, - eie->inum, eie->offset, root); + btrfs_debug(fs_info, + "ref for %llu resolved, key (%llu EXTEND_DATA %llu), root %llu", + extent_item_objectid, eie->inum, + eie->offset, root); ret = iterate(eie->inum, eie->offset, root, ctx); if (ret) { - pr_debug("stopping iteration for %llu due to ret=%d\n", - extent_item_objectid, ret); + btrfs_debug(fs_info, + "stopping iteration for %llu due to ret=%d", + extent_item_objectid, ret); break; } } @@ -1667,7 +2014,7 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info, struct ulist_iterator ref_uiter; struct ulist_iterator root_uiter; - pr_debug("resolving all inodes for extent %llu\n", + btrfs_debug(fs_info, "resolving all inodes for extent %llu", extent_item_objectid); if (!search_commit_root) { @@ -1693,10 +2040,12 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info, break; ULIST_ITER_INIT(&root_uiter); while (!ret && (root_node = ulist_next(roots, &root_uiter))) { - pr_debug("root %llu references leaf %llu, data list " - "%#llx\n", root_node->val, ref_node->val, - ref_node->aux); - ret = iterate_leaf_refs((struct extent_inode_elem *) + btrfs_debug(fs_info, + "root %llu references leaf %llu, data list %#llx", + root_node->val, ref_node->val, + ref_node->aux); + ret = iterate_leaf_refs(fs_info, + (struct extent_inode_elem *) (uintptr_t)ref_node->aux, root_node->val, extent_item_objectid, @@ -1792,9 +2141,9 @@ static int iterate_inode_refs(u64 inum, struct btrfs_root *fs_root, for (cur = 0; cur < btrfs_item_size(eb, item); cur += len) { name_len = btrfs_inode_ref_name_len(eb, iref); /* path must be released before calling iterate()! */ - pr_debug("following ref at offset %u for inode %llu in " - "tree %llu\n", cur, found_key.objectid, - fs_root->objectid); + btrfs_debug(fs_root->fs_info, + "following ref at offset %u for inode %llu in tree %llu", + cur, found_key.objectid, fs_root->objectid); ret = iterate(parent, name_len, (unsigned long)(iref + 1), eb, ctx); if (ret) diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 4919aedb5fc1..1a8fa46ff87e 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -44,17 +44,6 @@ #define BTRFS_INODE_IN_DELALLOC_LIST 9 #define BTRFS_INODE_READDIO_NEED_LOCK 10 #define BTRFS_INODE_HAS_PROPS 11 -/* - * The following 3 bits are meant only for the btree inode. - * When any of them is set, it means an error happened while writing an - * extent buffer belonging to: - * 1) a non-log btree - * 2) a log btree and first log sub-transaction - * 3) a log btree and second log sub-transaction - */ -#define BTRFS_INODE_BTREE_ERR 12 -#define BTRFS_INODE_BTREE_LOG1_ERR 13 -#define BTRFS_INODE_BTREE_LOG2_ERR 14 /* in memory btrfs inode */ struct btrfs_inode { diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 66789471b49d..8e99251650b3 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -656,7 +656,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, BUG_ON(NULL == state); selected_super = kzalloc(sizeof(*selected_super), GFP_NOFS); if (NULL == selected_super) { - printk(KERN_INFO "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); return -ENOMEM; } @@ -681,7 +681,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, } if (NULL == state->latest_superblock) { - printk(KERN_INFO "btrfsic: no superblock found!\n"); + pr_info("btrfsic: no superblock found!\n"); kfree(selected_super); return -1; } @@ -698,13 +698,13 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, next_bytenr = btrfs_super_root(selected_super); if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "root@%llu\n", next_bytenr); + pr_info("root@%llu\n", next_bytenr); break; case 1: next_bytenr = btrfs_super_chunk_root(selected_super); if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "chunk@%llu\n", next_bytenr); + pr_info("chunk@%llu\n", next_bytenr); break; case 2: next_bytenr = btrfs_super_log_root(selected_super); @@ -712,7 +712,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, continue; if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "log@%llu\n", next_bytenr); + pr_info("log@%llu\n", next_bytenr); break; } @@ -720,7 +720,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, btrfs_num_copies(state->root->fs_info, next_bytenr, state->metablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) - printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", + pr_info("num_copies(log_bytenr=%llu) = %d\n", next_bytenr, num_copies); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) { @@ -733,9 +733,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, &tmp_next_block_ctx, mirror_num); if (ret) { - printk(KERN_INFO "btrfsic:" - " btrfsic_map_block(root @%llu," - " mirror %d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(root @%llu, mirror %d) failed!\n", next_bytenr, mirror_num); kfree(selected_super); return -1; @@ -758,8 +756,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, ret = btrfsic_read_block(state, &tmp_next_block_ctx); if (ret < (int)PAGE_SIZE) { - printk(KERN_INFO - "btrfsic: read @logical %llu failed!\n", + pr_info("btrfsic: read @logical %llu failed!\n", tmp_next_block_ctx.start); btrfsic_release_block_ctx(&tmp_next_block_ctx); kfree(selected_super); @@ -820,7 +817,7 @@ static int btrfsic_process_superblock_dev_mirror( if (NULL == superblock_tmp) { superblock_tmp = btrfsic_block_alloc(); if (NULL == superblock_tmp) { - printk(KERN_INFO "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); brelse(bh); return -1; } @@ -894,7 +891,7 @@ static int btrfsic_process_superblock_dev_mirror( btrfs_num_copies(state->root->fs_info, next_bytenr, state->metablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) - printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", + pr_info("num_copies(log_bytenr=%llu) = %d\n", next_bytenr, num_copies); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) { struct btrfsic_block *next_block; @@ -905,8 +902,7 @@ static int btrfsic_process_superblock_dev_mirror( state->metablock_size, &tmp_next_block_ctx, mirror_num)) { - printk(KERN_INFO "btrfsic: btrfsic_map_block(" - "bytenr @%llu, mirror %d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(bytenr @%llu, mirror %d) failed!\n", next_bytenr, mirror_num); brelse(bh); return -1; @@ -948,7 +944,7 @@ static struct btrfsic_stack_frame *btrfsic_stack_frame_alloc(void) sf = kzalloc(sizeof(*sf), GFP_NOFS); if (NULL == sf) - printk(KERN_INFO "btrfsic: alloc memory failed!\n"); + pr_info("btrfsic: alloc memory failed!\n"); else sf->magic = BTRFSIC_BLOCK_STACK_FRAME_MAGIC_NUMBER; return sf; @@ -994,9 +990,7 @@ continue_with_new_stack_frame: sf->nr = btrfs_stack_header_nritems(&leafhdr->header); if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "leaf %llu items %d generation %llu" - " owner %llu\n", + pr_info("leaf %llu items %d generation %llu owner %llu\n", sf->block_ctx->start, sf->nr, btrfs_stack_header_generation( &leafhdr->header), @@ -1023,8 +1017,7 @@ continue_with_current_leaf_stack_frame: if (disk_item_offset + sizeof(struct btrfs_item) > sf->block_ctx->len) { leaf_item_out_of_bounce_error: - printk(KERN_INFO - "btrfsic: leaf item out of bounce at logical %llu, dev %s\n", + pr_info("btrfsic: leaf item out of bounce at logical %llu, dev %s\n", sf->block_ctx->start, sf->block_ctx->dev->name); goto one_stack_frame_backwards; @@ -1120,8 +1113,7 @@ leaf_item_out_of_bounce_error: sf->nr = btrfs_stack_header_nritems(&nodehdr->header); if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO "node %llu level %d items %d" - " generation %llu owner %llu\n", + pr_info("node %llu level %d items %d generation %llu owner %llu\n", sf->block_ctx->start, nodehdr->header.level, sf->nr, btrfs_stack_header_generation( @@ -1145,8 +1137,7 @@ continue_with_current_node_stack_frame: (uintptr_t)nodehdr; if (key_ptr_offset + sizeof(struct btrfs_key_ptr) > sf->block_ctx->len) { - printk(KERN_INFO - "btrfsic: node item out of bounce at logical %llu, dev %s\n", + pr_info("btrfsic: node item out of bounce at logical %llu, dev %s\n", sf->block_ctx->start, sf->block_ctx->dev->name); goto one_stack_frame_backwards; @@ -1275,7 +1266,7 @@ static int btrfsic_create_link_to_next_block( btrfs_num_copies(state->root->fs_info, next_bytenr, state->metablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) - printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", + pr_info("num_copies(log_bytenr=%llu) = %d\n", next_bytenr, *num_copiesp); *mirror_nump = 1; } @@ -1284,15 +1275,13 @@ static int btrfsic_create_link_to_next_block( return 0; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "btrfsic_create_link_to_next_block(mirror_num=%d)\n", + pr_info("btrfsic_create_link_to_next_block(mirror_num=%d)\n", *mirror_nump); ret = btrfsic_map_block(state, next_bytenr, state->metablock_size, next_block_ctx, *mirror_nump); if (ret) { - printk(KERN_INFO - "btrfsic: btrfsic_map_block(@%llu, mirror=%d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(@%llu, mirror=%d) failed!\n", next_bytenr, *mirror_nump); btrfsic_release_block_ctx(next_block_ctx); *next_blockp = NULL; @@ -1318,16 +1307,14 @@ static int btrfsic_create_link_to_next_block( if (next_block->logical_bytenr != next_bytenr && !(!next_block->is_metadata && 0 == next_block->logical_bytenr)) - printk(KERN_INFO - "Referenced block @%llu (%s/%llu/%d) found in hash table, %c, bytenr mismatch (!= stored %llu).\n", + pr_info("Referenced block @%llu (%s/%llu/%d) found in hash table, %c, bytenr mismatch (!= stored %llu).\n", next_bytenr, next_block_ctx->dev->name, next_block_ctx->dev_bytenr, *mirror_nump, btrfsic_get_block_type(state, next_block), next_block->logical_bytenr); else - printk(KERN_INFO - "Referenced block @%llu (%s/%llu/%d) found in hash table, %c.\n", + pr_info("Referenced block @%llu (%s/%llu/%d) found in hash table, %c.\n", next_bytenr, next_block_ctx->dev->name, next_block_ctx->dev_bytenr, *mirror_nump, btrfsic_get_block_type(state, @@ -1348,7 +1335,7 @@ static int btrfsic_create_link_to_next_block( if (NULL == l) { l = btrfsic_block_link_alloc(); if (NULL == l) { - printk(KERN_INFO "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); btrfsic_release_block_ctx(next_block_ctx); *next_blockp = NULL; return -1; @@ -1381,8 +1368,7 @@ static int btrfsic_create_link_to_next_block( if (limit_nesting > 0 && did_alloc_block_link) { ret = btrfsic_read_block(state, next_block_ctx); if (ret < (int)next_block_ctx->len) { - printk(KERN_INFO - "btrfsic: read block @logical %llu failed!\n", + pr_info("btrfsic: read block @logical %llu failed!\n", next_bytenr); btrfsic_release_block_ctx(next_block_ctx); *next_blockp = NULL; @@ -1417,8 +1403,7 @@ static int btrfsic_handle_extent_data( if (file_extent_item_offset + offsetof(struct btrfs_file_extent_item, disk_num_bytes) > block_ctx->len) { - printk(KERN_INFO - "btrfsic: file item out of bounce at logical %llu, dev %s\n", + pr_info("btrfsic: file item out of bounce at logical %llu, dev %s\n", block_ctx->start, block_ctx->dev->name); return -1; } @@ -1429,7 +1414,7 @@ static int btrfsic_handle_extent_data( if (BTRFS_FILE_EXTENT_REG != file_extent_item.type || btrfs_stack_file_extent_disk_bytenr(&file_extent_item) == 0) { if (state->print_mask & BTRFSIC_PRINT_MASK_VERY_VERBOSE) - printk(KERN_INFO "extent_data: type %u, disk_bytenr = %llu\n", + pr_info("extent_data: type %u, disk_bytenr = %llu\n", file_extent_item.type, btrfs_stack_file_extent_disk_bytenr( &file_extent_item)); @@ -1438,8 +1423,7 @@ static int btrfsic_handle_extent_data( if (file_extent_item_offset + sizeof(struct btrfs_file_extent_item) > block_ctx->len) { - printk(KERN_INFO - "btrfsic: file item out of bounce at logical %llu, dev %s\n", + pr_info("btrfsic: file item out of bounce at logical %llu, dev %s\n", block_ctx->start, block_ctx->dev->name); return -1; } @@ -1457,8 +1441,7 @@ static int btrfsic_handle_extent_data( generation = btrfs_stack_file_extent_generation(&file_extent_item); if (state->print_mask & BTRFSIC_PRINT_MASK_VERY_VERBOSE) - printk(KERN_INFO "extent_data: type %u, disk_bytenr = %llu," - " offset = %llu, num_bytes = %llu\n", + pr_info("extent_data: type %u, disk_bytenr = %llu, offset = %llu, num_bytes = %llu\n", file_extent_item.type, btrfs_stack_file_extent_disk_bytenr(&file_extent_item), btrfs_stack_file_extent_offset(&file_extent_item), @@ -1477,7 +1460,7 @@ static int btrfsic_handle_extent_data( btrfs_num_copies(state->root->fs_info, next_bytenr, state->datablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) - printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", + pr_info("num_copies(log_bytenr=%llu) = %d\n", next_bytenr, num_copies); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) { struct btrfsic_block_data_ctx next_block_ctx; @@ -1485,19 +1468,16 @@ static int btrfsic_handle_extent_data( int block_was_created; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO "btrfsic_handle_extent_data(" - "mirror_num=%d)\n", mirror_num); + pr_info("btrfsic_handle_extent_data(mirror_num=%d)\n", + mirror_num); if (state->print_mask & BTRFSIC_PRINT_MASK_VERY_VERBOSE) - printk(KERN_INFO - "\tdisk_bytenr = %llu, num_bytes %u\n", + pr_info("\tdisk_bytenr = %llu, num_bytes %u\n", next_bytenr, chunk_len); ret = btrfsic_map_block(state, next_bytenr, chunk_len, &next_block_ctx, mirror_num); if (ret) { - printk(KERN_INFO - "btrfsic: btrfsic_map_block(@%llu," - " mirror=%d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(@%llu, mirror=%d) failed!\n", next_bytenr, mirror_num); return -1; } @@ -1512,8 +1492,7 @@ static int btrfsic_handle_extent_data( mirror_num, &block_was_created); if (NULL == next_block) { - printk(KERN_INFO - "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); btrfsic_release_block_ctx(&next_block_ctx); return -1; } @@ -1523,12 +1502,7 @@ static int btrfsic_handle_extent_data( next_block->logical_bytenr != next_bytenr && !(!next_block->is_metadata && 0 == next_block->logical_bytenr)) { - printk(KERN_INFO - "Referenced block" - " @%llu (%s/%llu/%d)" - " found in hash table, D," - " bytenr mismatch" - " (!= stored %llu).\n", + pr_info("Referenced block @%llu (%s/%llu/%d) found in hash table, D, bytenr mismatch (!= stored %llu).\n", next_bytenr, next_block_ctx.dev->name, next_block_ctx.dev_bytenr, @@ -1592,7 +1566,7 @@ static int btrfsic_map_block(struct btrfsic_state *state, u64 bytenr, u32 len, kfree(multi); if (NULL == block_ctx_out->dev) { ret = -ENXIO; - printk(KERN_INFO "btrfsic: error, cannot lookup dev (#1)!\n"); + pr_info("btrfsic: error, cannot lookup dev (#1)!\n"); } return ret; @@ -1638,8 +1612,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, BUG_ON(block_ctx->pagev); BUG_ON(block_ctx->mem_to_free); if (block_ctx->dev_bytenr & ((u64)PAGE_SIZE - 1)) { - printk(KERN_INFO - "btrfsic: read_block() with unaligned bytenr %llu\n", + pr_info("btrfsic: read_block() with unaligned bytenr %llu\n", block_ctx->dev_bytenr); return -1; } @@ -1666,8 +1639,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, bio = btrfs_io_bio_alloc(GFP_NOFS, num_pages - i); if (!bio) { - printk(KERN_INFO - "btrfsic: bio_alloc() for %u pages failed!\n", + pr_info("btrfsic: bio_alloc() for %u pages failed!\n", num_pages - i); return -1; } @@ -1682,13 +1654,11 @@ static int btrfsic_read_block(struct btrfsic_state *state, break; } if (j == i) { - printk(KERN_INFO - "btrfsic: error, failed to add a single page!\n"); + pr_info("btrfsic: error, failed to add a single page!\n"); return -1; } if (submit_bio_wait(bio)) { - printk(KERN_INFO - "btrfsic: read error at logical %llu dev %s!\n", + pr_info("btrfsic: read error at logical %llu dev %s!\n", block_ctx->start, block_ctx->dev->name); bio_put(bio); return -1; @@ -1700,7 +1670,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, for (i = 0; i < num_pages; i++) { block_ctx->datav[i] = kmap(block_ctx->pagev[i]); if (!block_ctx->datav[i]) { - printk(KERN_INFO "btrfsic: kmap() failed (dev %s)!\n", + pr_info("btrfsic: kmap() failed (dev %s)!\n", block_ctx->dev->name); return -1; } @@ -1715,19 +1685,17 @@ static void btrfsic_dump_database(struct btrfsic_state *state) BUG_ON(NULL == state); - printk(KERN_INFO "all_blocks_list:\n"); + pr_info("all_blocks_list:\n"); list_for_each_entry(b_all, &state->all_blocks_list, all_blocks_node) { const struct btrfsic_block_link *l; - printk(KERN_INFO "%c-block @%llu (%s/%llu/%d)\n", + pr_info("%c-block @%llu (%s/%llu/%d)\n", btrfsic_get_block_type(state, b_all), b_all->logical_bytenr, b_all->dev_state->name, b_all->dev_bytenr, b_all->mirror_num); list_for_each_entry(l, &b_all->ref_to_list, node_ref_to) { - printk(KERN_INFO " %c @%llu (%s/%llu/%d)" - " refers %u* to" - " %c @%llu (%s/%llu/%d)\n", + pr_info(" %c @%llu (%s/%llu/%d) refers %u* to %c @%llu (%s/%llu/%d)\n", btrfsic_get_block_type(state, b_all), b_all->logical_bytenr, b_all->dev_state->name, b_all->dev_bytenr, b_all->mirror_num, @@ -1740,9 +1708,7 @@ static void btrfsic_dump_database(struct btrfsic_state *state) } list_for_each_entry(l, &b_all->ref_from_list, node_ref_from) { - printk(KERN_INFO " %c @%llu (%s/%llu/%d)" - " is ref %u* from" - " %c @%llu (%s/%llu/%d)\n", + pr_info(" %c @%llu (%s/%llu/%d) is ref %u* from %c @%llu (%s/%llu/%d)\n", btrfsic_get_block_type(state, b_all), b_all->logical_bytenr, b_all->dev_state->name, b_all->dev_bytenr, b_all->mirror_num, @@ -1754,7 +1720,7 @@ static void btrfsic_dump_database(struct btrfsic_state *state) l->block_ref_from->mirror_num); } - printk(KERN_INFO "\n"); + pr_info("\n"); } } @@ -1829,8 +1795,7 @@ again: mapped_datav[0]); if (num_pages * PAGE_SIZE < BTRFS_SUPER_INFO_SIZE) { - printk(KERN_INFO - "btrfsic: cannot work with too short bios!\n"); + pr_info("btrfsic: cannot work with too short bios!\n"); return; } is_metadata = 1; @@ -1838,8 +1803,7 @@ again: processed_len = BTRFS_SUPER_INFO_SIZE; if (state->print_mask & BTRFSIC_PRINT_MASK_TREE_BEFORE_SB_WRITE) { - printk(KERN_INFO - "[before new superblock is written]:\n"); + pr_info("[before new superblock is written]:\n"); btrfsic_dump_tree_sub(state, block, 0); } } @@ -1847,8 +1811,7 @@ again: if (!block->is_superblock) { if (num_pages * PAGE_SIZE < state->metablock_size) { - printk(KERN_INFO - "btrfsic: cannot work with too short bios!\n"); + pr_info("btrfsic: cannot work with too short bios!\n"); return; } processed_len = state->metablock_size; @@ -1863,8 +1826,7 @@ again: if (block->logical_bytenr != bytenr && !(!block->is_metadata && block->logical_bytenr == 0)) - printk(KERN_INFO - "Written block @%llu (%s/%llu/%d) found in hash table, %c, bytenr mismatch (!= stored %llu).\n", + pr_info("Written block @%llu (%s/%llu/%d) found in hash table, %c, bytenr mismatch (!= stored %llu).\n", bytenr, dev_state->name, dev_bytenr, block->mirror_num, @@ -1872,8 +1834,7 @@ again: block), block->logical_bytenr); else - printk(KERN_INFO - "Written block @%llu (%s/%llu/%d) found in hash table, %c.\n", + pr_info("Written block @%llu (%s/%llu/%d) found in hash table, %c.\n", bytenr, dev_state->name, dev_bytenr, block->mirror_num, btrfsic_get_block_type(state, @@ -1883,33 +1844,24 @@ again: } else { if (num_pages * PAGE_SIZE < state->datablock_size) { - printk(KERN_INFO - "btrfsic: cannot work with too short bios!\n"); + pr_info("btrfsic: cannot work with too short bios!\n"); return; } processed_len = state->datablock_size; bytenr = block->logical_bytenr; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "Written block @%llu (%s/%llu/%d)" - " found in hash table, %c.\n", + pr_info("Written block @%llu (%s/%llu/%d) found in hash table, %c.\n", bytenr, dev_state->name, dev_bytenr, block->mirror_num, btrfsic_get_block_type(state, block)); } if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "ref_to_list: %cE, ref_from_list: %cE\n", + pr_info("ref_to_list: %cE, ref_from_list: %cE\n", list_empty(&block->ref_to_list) ? ' ' : '!', list_empty(&block->ref_from_list) ? ' ' : '!'); if (btrfsic_is_block_ref_by_superblock(state, block, 0)) { - printk(KERN_INFO "btrfs: attempt to overwrite %c-block" - " @%llu (%s/%llu/%d), old(gen=%llu," - " objectid=%llu, type=%d, offset=%llu)," - " new(gen=%llu)," - " which is referenced by most recent superblock" - " (superblockgen=%llu)!\n", + pr_info("btrfs: attempt to overwrite %c-block @%llu (%s/%llu/%d), old(gen=%llu, objectid=%llu, type=%d, offset=%llu), new(gen=%llu), which is referenced by most recent superblock (superblockgen=%llu)!\n", btrfsic_get_block_type(state, block), bytenr, dev_state->name, dev_bytenr, block->mirror_num, block->generation, @@ -1923,9 +1875,7 @@ again: } if (!block->is_iodone && !block->never_written) { - printk(KERN_INFO "btrfs: attempt to overwrite %c-block" - " @%llu (%s/%llu/%d), oldgen=%llu, newgen=%llu," - " which is not yet iodone!\n", + pr_info("btrfs: attempt to overwrite %c-block @%llu (%s/%llu/%d), oldgen=%llu, newgen=%llu, which is not yet iodone!\n", btrfsic_get_block_type(state, block), bytenr, dev_state->name, dev_bytenr, block->mirror_num, block->generation, @@ -2023,8 +1973,7 @@ again: mapped_datav[0]); if (state->print_mask & BTRFSIC_PRINT_MASK_TREE_AFTER_SB_WRITE) { - printk(KERN_INFO - "[after new superblock is written]:\n"); + pr_info("[after new superblock is written]:\n"); btrfsic_dump_tree_sub(state, block, 0); } } else { @@ -2036,9 +1985,7 @@ again: 0, 0); } if (ret) - printk(KERN_INFO - "btrfsic: btrfsic_process_metablock" - "(root @%llu) failed!\n", + pr_info("btrfsic: btrfsic_process_metablock(root @%llu) failed!\n", dev_bytenr); } else { block->is_metadata = 0; @@ -2065,8 +2012,7 @@ again: if (!is_metadata) { processed_len = state->datablock_size; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO "Written block (%s/%llu/?)" - " !found in hash table, D.\n", + pr_info("Written block (%s/%llu/?) !found in hash table, D.\n", dev_state->name, dev_bytenr); if (!state->include_extent_data) { /* ignore that written D block */ @@ -2084,9 +2030,7 @@ again: btrfsic_cmp_log_and_dev_bytenr(state, bytenr, dev_state, dev_bytenr); if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "Written block @%llu (%s/%llu/?)" - " !found in hash table, M.\n", + pr_info("Written block @%llu (%s/%llu/?) !found in hash table, M.\n", bytenr, dev_state->name, dev_bytenr); } @@ -2100,7 +2044,7 @@ again: block = btrfsic_block_alloc(); if (NULL == block) { - printk(KERN_INFO "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); btrfsic_release_block_ctx(&block_ctx); goto continue_loop; } @@ -2150,8 +2094,7 @@ again: block->next_in_same_bio = NULL; } if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "New written %c-block @%llu (%s/%llu/%d)\n", + pr_info("New written %c-block @%llu (%s/%llu/%d)\n", is_metadata ? 'M' : 'D', block->logical_bytenr, block->dev_state->name, block->dev_bytenr, block->mirror_num); @@ -2162,9 +2105,7 @@ again: ret = btrfsic_process_metablock(state, block, &block_ctx, 0, 0); if (ret) - printk(KERN_INFO - "btrfsic: process_metablock(root @%llu)" - " failed!\n", + pr_info("btrfsic: process_metablock(root @%llu) failed!\n", dev_bytenr); } btrfsic_release_block_ctx(&block_ctx); @@ -2199,8 +2140,7 @@ static void btrfsic_bio_end_io(struct bio *bp) if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) - printk(KERN_INFO - "bio_end_io(err=%d) for %c @%llu (%s/%llu/%d)\n", + pr_info("bio_end_io(err=%d) for %c @%llu (%s/%llu/%d)\n", bp->bi_error, btrfsic_get_block_type(dev_state->state, block), block->logical_bytenr, dev_state->name, @@ -2211,8 +2151,7 @@ static void btrfsic_bio_end_io(struct bio *bp) dev_state->last_flush_gen++; if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) - printk(KERN_INFO - "bio_end_io() new %s flush_gen=%llu\n", + pr_info("bio_end_io() new %s flush_gen=%llu\n", dev_state->name, dev_state->last_flush_gen); } @@ -2235,8 +2174,7 @@ static void btrfsic_bh_end_io(struct buffer_head *bh, int uptodate) BUG_ON(NULL == block); dev_state = block->dev_state; if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) - printk(KERN_INFO - "bh_end_io(error=%d) for %c @%llu (%s/%llu/%d)\n", + pr_info("bh_end_io(error=%d) for %c @%llu (%s/%llu/%d)\n", iodone_w_error, btrfsic_get_block_type(dev_state->state, block), block->logical_bytenr, block->dev_state->name, @@ -2247,8 +2185,7 @@ static void btrfsic_bh_end_io(struct buffer_head *bh, int uptodate) dev_state->last_flush_gen++; if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) - printk(KERN_INFO - "bh_end_io() new %s flush_gen=%llu\n", + pr_info("bh_end_io() new %s flush_gen=%llu\n", dev_state->name, dev_state->last_flush_gen); } if (block->submit_bio_bh_rw & REQ_FUA) @@ -2271,9 +2208,7 @@ static int btrfsic_process_written_superblock( if (!(superblock->generation > state->max_superblock_generation || 0 == state->max_superblock_generation)) { if (state->print_mask & BTRFSIC_PRINT_MASK_SUPERBLOCK_WRITE) - printk(KERN_INFO - "btrfsic: superblock @%llu (%s/%llu/%d)" - " with old gen %llu <= %llu\n", + pr_info("btrfsic: superblock @%llu (%s/%llu/%d) with old gen %llu <= %llu\n", superblock->logical_bytenr, superblock->dev_state->name, superblock->dev_bytenr, superblock->mirror_num, @@ -2281,9 +2216,7 @@ static int btrfsic_process_written_superblock( state->max_superblock_generation); } else { if (state->print_mask & BTRFSIC_PRINT_MASK_SUPERBLOCK_WRITE) - printk(KERN_INFO - "btrfsic: got new superblock @%llu (%s/%llu/%d)" - " with new gen %llu > %llu\n", + pr_info("btrfsic: got new superblock @%llu (%s/%llu/%d) with new gen %llu > %llu\n", superblock->logical_bytenr, superblock->dev_state->name, superblock->dev_bytenr, superblock->mirror_num, @@ -2318,7 +2251,7 @@ static int btrfsic_process_written_superblock( next_bytenr = btrfs_super_root(super_hdr); if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "root@%llu\n", next_bytenr); + pr_info("root@%llu\n", next_bytenr); break; case 1: btrfs_set_disk_key_objectid(&tmp_disk_key, @@ -2327,7 +2260,7 @@ static int btrfsic_process_written_superblock( next_bytenr = btrfs_super_chunk_root(super_hdr); if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "chunk@%llu\n", next_bytenr); + pr_info("chunk@%llu\n", next_bytenr); break; case 2: btrfs_set_disk_key_objectid(&tmp_disk_key, @@ -2338,7 +2271,7 @@ static int btrfsic_process_written_superblock( continue; if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "log@%llu\n", next_bytenr); + pr_info("log@%llu\n", next_bytenr); break; } @@ -2346,23 +2279,19 @@ static int btrfsic_process_written_superblock( btrfs_num_copies(state->root->fs_info, next_bytenr, BTRFS_SUPER_INFO_SIZE); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) - printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", + pr_info("num_copies(log_bytenr=%llu) = %d\n", next_bytenr, num_copies); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) { int was_created; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "btrfsic_process_written_superblock(" - "mirror_num=%d)\n", mirror_num); + pr_info("btrfsic_process_written_superblock(mirror_num=%d)\n", mirror_num); ret = btrfsic_map_block(state, next_bytenr, BTRFS_SUPER_INFO_SIZE, &tmp_next_block_ctx, mirror_num); if (ret) { - printk(KERN_INFO - "btrfsic: btrfsic_map_block(@%llu," - " mirror=%d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(@%llu, mirror=%d) failed!\n", next_bytenr, mirror_num); return -1; } @@ -2375,8 +2304,7 @@ static int btrfsic_process_written_superblock( mirror_num, &was_created); if (NULL == next_block) { - printk(KERN_INFO - "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); btrfsic_release_block_ctx(&tmp_next_block_ctx); return -1; } @@ -2425,8 +2353,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, * by the most recent super block. */ if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "btrfsic: abort cyclic linkage (case 1).\n"); + pr_info("btrfsic: abort cyclic linkage (case 1).\n"); return ret; } @@ -2437,9 +2364,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, */ list_for_each_entry(l, &block->ref_to_list, node_ref_to) { if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "rl=%d, %c @%llu (%s/%llu/%d)" - " %u* refers to %c @%llu (%s/%llu/%d)\n", + pr_info("rl=%d, %c @%llu (%s/%llu/%d) %u* refers to %c @%llu (%s/%llu/%d)\n", recursion_level, btrfsic_get_block_type(state, block), block->logical_bytenr, block->dev_state->name, @@ -2451,9 +2376,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, l->block_ref_to->dev_bytenr, l->block_ref_to->mirror_num); if (l->block_ref_to->never_written) { - printk(KERN_INFO "btrfs: attempt to write superblock" - " which references block %c @%llu (%s/%llu/%d)" - " which is never written!\n", + pr_info("btrfs: attempt to write superblock which references block %c @%llu (%s/%llu/%d) which is never written!\n", btrfsic_get_block_type(state, l->block_ref_to), l->block_ref_to->logical_bytenr, l->block_ref_to->dev_state->name, @@ -2461,9 +2384,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, l->block_ref_to->mirror_num); ret = -1; } else if (!l->block_ref_to->is_iodone) { - printk(KERN_INFO "btrfs: attempt to write superblock" - " which references block %c @%llu (%s/%llu/%d)" - " which is not yet iodone!\n", + pr_info("btrfs: attempt to write superblock which references block %c @%llu (%s/%llu/%d) which is not yet iodone!\n", btrfsic_get_block_type(state, l->block_ref_to), l->block_ref_to->logical_bytenr, l->block_ref_to->dev_state->name, @@ -2471,9 +2392,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, l->block_ref_to->mirror_num); ret = -1; } else if (l->block_ref_to->iodone_w_error) { - printk(KERN_INFO "btrfs: attempt to write superblock" - " which references block %c @%llu (%s/%llu/%d)" - " which has write error!\n", + pr_info("btrfs: attempt to write superblock which references block %c @%llu (%s/%llu/%d) which has write error!\n", btrfsic_get_block_type(state, l->block_ref_to), l->block_ref_to->logical_bytenr, l->block_ref_to->dev_state->name, @@ -2486,10 +2405,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, l->parent_generation && BTRFSIC_GENERATION_UNKNOWN != l->block_ref_to->generation) { - printk(KERN_INFO "btrfs: attempt to write superblock" - " which references block %c @%llu (%s/%llu/%d)" - " with generation %llu !=" - " parent generation %llu!\n", + pr_info("btrfs: attempt to write superblock which references block %c @%llu (%s/%llu/%d) with generation %llu != parent generation %llu!\n", btrfsic_get_block_type(state, l->block_ref_to), l->block_ref_to->logical_bytenr, l->block_ref_to->dev_state->name, @@ -2500,11 +2416,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, ret = -1; } else if (l->block_ref_to->flush_gen > l->block_ref_to->dev_state->last_flush_gen) { - printk(KERN_INFO "btrfs: attempt to write superblock" - " which references block %c @%llu (%s/%llu/%d)" - " which is not flushed out of disk's write cache" - " (block flush_gen=%llu," - " dev->flush_gen=%llu)!\n", + pr_info("btrfs: attempt to write superblock which references block %c @%llu (%s/%llu/%d) which is not flushed out of disk's write cache (block flush_gen=%llu, dev->flush_gen=%llu)!\n", btrfsic_get_block_type(state, l->block_ref_to), l->block_ref_to->logical_bytenr, l->block_ref_to->dev_state->name, @@ -2533,8 +2445,7 @@ static int btrfsic_is_block_ref_by_superblock( if (recursion_level >= 3 + BTRFS_MAX_LEVEL) { /* refer to comment at "abort cyclic linkage (case 1)" */ if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "btrfsic: abort cyclic linkage (case 2).\n"); + pr_info("btrfsic: abort cyclic linkage (case 2).\n"); return 0; } @@ -2545,9 +2456,7 @@ static int btrfsic_is_block_ref_by_superblock( */ list_for_each_entry(l, &block->ref_from_list, node_ref_from) { if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "rl=%d, %c @%llu (%s/%llu/%d)" - " is ref %u* from %c @%llu (%s/%llu/%d)\n", + pr_info("rl=%d, %c @%llu (%s/%llu/%d) is ref %u* from %c @%llu (%s/%llu/%d)\n", recursion_level, btrfsic_get_block_type(state, block), block->logical_bytenr, block->dev_state->name, @@ -2577,9 +2486,7 @@ static int btrfsic_is_block_ref_by_superblock( static void btrfsic_print_add_link(const struct btrfsic_state *state, const struct btrfsic_block_link *l) { - printk(KERN_INFO - "Add %u* link from %c @%llu (%s/%llu/%d)" - " to %c @%llu (%s/%llu/%d).\n", + pr_info("Add %u* link from %c @%llu (%s/%llu/%d) to %c @%llu (%s/%llu/%d).\n", l->ref_cnt, btrfsic_get_block_type(state, l->block_ref_from), l->block_ref_from->logical_bytenr, @@ -2594,9 +2501,7 @@ static void btrfsic_print_add_link(const struct btrfsic_state *state, static void btrfsic_print_rem_link(const struct btrfsic_state *state, const struct btrfsic_block_link *l) { - printk(KERN_INFO - "Rem %u* link from %c @%llu (%s/%llu/%d)" - " to %c @%llu (%s/%llu/%d).\n", + pr_info("Rem %u* link from %c @%llu (%s/%llu/%d) to %c @%llu (%s/%llu/%d).\n", l->ref_cnt, btrfsic_get_block_type(state, l->block_ref_from), l->block_ref_from->logical_bytenr, @@ -2708,8 +2613,7 @@ static struct btrfsic_block_link *btrfsic_block_link_lookup_or_add( if (NULL == l) { l = btrfsic_block_link_alloc(); if (NULL == l) { - printk(KERN_INFO - "btrfsic: error, kmalloc" " failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); return NULL; } @@ -2756,13 +2660,12 @@ static struct btrfsic_block *btrfsic_block_lookup_or_add( block = btrfsic_block_alloc(); if (NULL == block) { - printk(KERN_INFO "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); return NULL; } dev_state = btrfsic_dev_state_lookup(block_ctx->dev->bdev); if (NULL == dev_state) { - printk(KERN_INFO - "btrfsic: error, lookup dev_state failed!\n"); + pr_info("btrfsic: error, lookup dev_state failed!\n"); btrfsic_block_free(block); return NULL; } @@ -2774,8 +2677,7 @@ static struct btrfsic_block *btrfsic_block_lookup_or_add( block->never_written = never_written; block->mirror_num = mirror_num; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "New %s%c-block @%llu (%s/%llu/%d)\n", + pr_info("New %s%c-block @%llu (%s/%llu/%d)\n", additional_string, btrfsic_get_block_type(state, block), block->logical_bytenr, dev_state->name, @@ -2810,9 +2712,7 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state, ret = btrfsic_map_block(state, bytenr, state->metablock_size, &block_ctx, mirror_num); if (ret) { - printk(KERN_INFO "btrfsic:" - " btrfsic_map_block(logical @%llu," - " mirror %d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(logical @%llu, mirror %d) failed!\n", bytenr, mirror_num); continue; } @@ -2827,9 +2727,7 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state, } if (WARN_ON(!match)) { - printk(KERN_INFO "btrfs: attempt to write M-block which contains logical bytenr that doesn't map to dev+physical bytenr of submit_bio," - " buffer->log_bytenr=%llu, submit_bio(bdev=%s," - " phys_bytenr=%llu)!\n", + pr_info("btrfs: attempt to write M-block which contains logical bytenr that doesn't map to dev+physical bytenr of submit_bio, buffer->log_bytenr=%llu, submit_bio(bdev=%s, phys_bytenr=%llu)!\n", bytenr, dev_state->name, dev_bytenr); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) { ret = btrfsic_map_block(state, bytenr, @@ -2838,8 +2736,7 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state, if (ret) continue; - printk(KERN_INFO "Read logical bytenr @%llu maps to" - " (%s/%llu/%d)\n", + pr_info("Read logical bytenr @%llu maps to (%s/%llu/%d)\n", bytenr, block_ctx.dev->name, block_ctx.dev_bytenr, mirror_num); } @@ -2849,11 +2746,8 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state, static struct btrfsic_dev_state *btrfsic_dev_state_lookup( struct block_device *bdev) { - struct btrfsic_dev_state *ds; - - ds = btrfsic_dev_state_hashtable_lookup(bdev, - &btrfsic_dev_state_hashtable); - return ds; + return btrfsic_dev_state_hashtable_lookup(bdev, + &btrfsic_dev_state_hashtable); } int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh) @@ -2876,9 +2770,7 @@ int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh) dev_bytenr = 4096 * bh->b_blocknr; if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) - printk(KERN_INFO - "submit_bh(op=0x%x,0x%x, blocknr=%llu " - "(bytenr %llu), size=%zu, data=%p, bdev=%p)\n", + pr_info("submit_bh(op=0x%x,0x%x, blocknr=%llu (bytenr %llu), size=%zu, data=%p, bdev=%p)\n", op, op_flags, (unsigned long long)bh->b_blocknr, dev_bytenr, bh->b_size, bh->b_data, bh->b_bdev); btrfsic_process_written_block(dev_state, dev_bytenr, @@ -2887,17 +2779,13 @@ int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh) } else if (NULL != dev_state && (op_flags & REQ_PREFLUSH)) { if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) - printk(KERN_INFO - "submit_bh(op=0x%x,0x%x FLUSH, bdev=%p)\n", + pr_info("submit_bh(op=0x%x,0x%x FLUSH, bdev=%p)\n", op, op_flags, bh->b_bdev); if (!dev_state->dummy_block_for_bio_bh_flush.is_iodone) { if ((dev_state->state->print_mask & (BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH | BTRFSIC_PRINT_MASK_VERBOSE))) - printk(KERN_INFO - "btrfsic_submit_bh(%s) with FLUSH" - " but dummy block already in use" - " (ignored)!\n", + pr_info("btrfsic_submit_bh(%s) with FLUSH but dummy block already in use (ignored)!\n", dev_state->name); } else { struct btrfsic_block *const block = @@ -2942,9 +2830,7 @@ static void __btrfsic_submit_bio(struct bio *bio) bio_is_patched = 0; if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) - printk(KERN_INFO - "submit_bio(rw=%d,0x%x, bi_vcnt=%u," - " bi_sector=%llu (bytenr %llu), bi_bdev=%p)\n", + pr_info("submit_bio(rw=%d,0x%x, bi_vcnt=%u, bi_sector=%llu (bytenr %llu), bi_bdev=%p)\n", bio_op(bio), bio->bi_opf, bio->bi_vcnt, (unsigned long long)bio->bi_iter.bi_sector, dev_bytenr, bio->bi_bdev); @@ -2967,8 +2853,7 @@ static void __btrfsic_submit_bio(struct bio *bio) } if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH_VERBOSE) - printk(KERN_INFO - "#%u: bytenr=%llu, len=%u, offset=%u\n", + pr_info("#%u: bytenr=%llu, len=%u, offset=%u\n", i, cur_bytenr, bio->bi_io_vec[i].bv_len, bio->bi_io_vec[i].bv_offset); cur_bytenr += bio->bi_io_vec[i].bv_len; @@ -2985,17 +2870,13 @@ static void __btrfsic_submit_bio(struct bio *bio) } else if (NULL != dev_state && (bio->bi_opf & REQ_PREFLUSH)) { if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) - printk(KERN_INFO - "submit_bio(rw=%d,0x%x FLUSH, bdev=%p)\n", + pr_info("submit_bio(rw=%d,0x%x FLUSH, bdev=%p)\n", bio_op(bio), bio->bi_opf, bio->bi_bdev); if (!dev_state->dummy_block_for_bio_bh_flush.is_iodone) { if ((dev_state->state->print_mask & (BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH | BTRFSIC_PRINT_MASK_VERBOSE))) - printk(KERN_INFO - "btrfsic_submit_bio(%s) with FLUSH" - " but dummy block already in use" - " (ignored)!\n", + pr_info("btrfsic_submit_bio(%s) with FLUSH but dummy block already in use (ignored)!\n", dev_state->name); } else { struct btrfsic_block *const block = @@ -3039,14 +2920,12 @@ int btrfsic_mount(struct btrfs_root *root, struct btrfs_device *device; if (root->nodesize & ((u64)PAGE_SIZE - 1)) { - printk(KERN_INFO - "btrfsic: cannot handle nodesize %d not being a multiple of PAGE_SIZE %ld!\n", + pr_info("btrfsic: cannot handle nodesize %d not being a multiple of PAGE_SIZE %ld!\n", root->nodesize, PAGE_SIZE); return -1; } if (root->sectorsize & ((u64)PAGE_SIZE - 1)) { - printk(KERN_INFO - "btrfsic: cannot handle sectorsize %d not being a multiple of PAGE_SIZE %ld!\n", + pr_info("btrfsic: cannot handle sectorsize %d not being a multiple of PAGE_SIZE %ld!\n", root->sectorsize, PAGE_SIZE); return -1; } @@ -3054,7 +2933,7 @@ int btrfsic_mount(struct btrfs_root *root, if (!state) { state = vzalloc(sizeof(*state)); if (!state) { - printk(KERN_INFO "btrfs check-integrity: vzalloc() failed!\n"); + pr_info("btrfs check-integrity: vzalloc() failed!\n"); return -1; } } @@ -3086,8 +2965,7 @@ int btrfsic_mount(struct btrfs_root *root, ds = btrfsic_dev_state_alloc(); if (NULL == ds) { - printk(KERN_INFO - "btrfs check-integrity: kmalloc() failed!\n"); + pr_info("btrfs check-integrity: kmalloc() failed!\n"); mutex_unlock(&btrfsic_mutex); return -1; } @@ -3148,9 +3026,7 @@ void btrfsic_unmount(struct btrfs_root *root, } if (NULL == state) { - printk(KERN_INFO - "btrfsic: error, cannot find state information" - " on umount!\n"); + pr_info("btrfsic: error, cannot find state information on umount!\n"); mutex_unlock(&btrfsic_mutex); return; } @@ -3177,9 +3053,7 @@ void btrfsic_unmount(struct btrfs_root *root, if (b_all->is_iodone || b_all->never_written) btrfsic_block_free(b_all); else - printk(KERN_INFO "btrfs: attempt to free %c-block" - " @%llu (%s/%llu/%d) on umount which is" - " not yet iodone!\n", + pr_info("btrfs: attempt to free %c-block @%llu (%s/%llu/%d) on umount which is not yet iodone!\n", btrfsic_get_block_type(state, b_all), b_all->logical_bytenr, b_all->dev_state->name, b_all->dev_bytenr, b_all->mirror_num); diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 029db6e1105c..ccc70d96958d 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -783,8 +783,7 @@ void __init btrfs_init_compress(void) */ workspace = btrfs_compress_op[i]->alloc_workspace(); if (IS_ERR(workspace)) { - printk(KERN_WARNING - "BTRFS: cannot preallocate compression workspace, will try later"); + pr_warn("BTRFS: cannot preallocate compression workspace, will try later\n"); } else { atomic_set(&btrfs_comp_ws[i].total_ws, 1); btrfs_comp_ws[i].free_ws = 1; @@ -854,8 +853,7 @@ again: /* no burst */ 1); if (__ratelimit(&_rs)) { - printk(KERN_WARNING - "no compression workspaces, low memory, retrying"); + pr_warn("BTRFS: no compression workspaces, low memory, retrying\n"); } } goto again; diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index d1c56c94dd5a..f6ba165d3f81 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -45,9 +45,7 @@ static int tree_mod_log_free_eb(struct btrfs_fs_info *fs_info, struct btrfs_path *btrfs_alloc_path(void) { - struct btrfs_path *path; - path = kmem_cache_zalloc(btrfs_path_cachep, GFP_NOFS); - return path; + return kmem_cache_zalloc(btrfs_path_cachep, GFP_NOFS); } /* @@ -1102,7 +1100,7 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, int level, ret; int last_ref = 0; int unlock_orig = 0; - u64 parent_start; + u64 parent_start = 0; if (*cow_ret == buf) unlock_orig = 1; @@ -1121,13 +1119,8 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, else btrfs_node_key(buf, &disk_key, 0); - if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) { - if (parent) - parent_start = parent->start; - else - parent_start = 0; - } else - parent_start = 0; + if ((root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) && parent) + parent_start = parent->start; cow = btrfs_alloc_tree_block(trans, root, parent_start, root->root_key.objectid, &disk_key, level, @@ -1170,8 +1163,6 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID || btrfs_header_backref_rev(buf) < BTRFS_MIXED_BACKREF_REV) parent_start = buf->start; - else - parent_start = 0; extent_buffer_get(cow); tree_mod_log_set_root_pointer(root, cow, 1); @@ -1182,11 +1173,6 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, free_extent_buffer(buf); add_root_to_dirty_list(root); } else { - if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) - parent_start = parent->start; - else - parent_start = 0; - WARN_ON(trans->transid != btrfs_header_generation(parent)); tree_mod_log_insert_key(root->fs_info, parent, parent_slot, MOD_LOG_KEY_REPLACE, GFP_NOFS); @@ -1729,20 +1715,6 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans, return err; } -/* - * The leaf data grows from end-to-front in the node. - * this returns the address of the start of the last item, - * which is the stop of the leaf data stack - */ -static inline unsigned int leaf_data_end(struct btrfs_root *root, - struct extent_buffer *leaf) -{ - u32 nr = btrfs_header_nritems(leaf); - if (nr == 0) - return BTRFS_LEAF_DATA_SIZE(root); - return btrfs_item_offset_nr(leaf, nr - 1); -} - /* * search for key in the extent_buffer. The items start at offset p, @@ -2268,7 +2240,6 @@ static void reada_for_search(struct btrfs_root *root, u64 search; u64 target; u64 nread = 0; - u64 gen; struct extent_buffer *eb; u32 nr; u32 blocksize; @@ -2313,7 +2284,6 @@ static void reada_for_search(struct btrfs_root *root, search = btrfs_node_blockptr(node, nr); if ((search <= target && target - search <= 65536) || (search > target && search - target <= 65536)) { - gen = btrfs_node_ptr_generation(node, nr); readahead_tree_block(root, search); nread += blocksize; } @@ -4341,7 +4311,11 @@ again: if (path->slots[1] == 0) fixup_low_keys(fs_info, path, &disk_key, 1); } - btrfs_mark_buffer_dirty(right); + /* + * We create a new leaf 'right' for the required ins_len and + * we'll do btrfs_mark_buffer_dirty() on this leaf after copying + * the content of ins_len to 'right'. + */ return ret; } @@ -4772,8 +4746,9 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path, if (btrfs_leaf_free_space(root, leaf) < total_size) { btrfs_print_leaf(root, leaf); - btrfs_crit(root->fs_info, "not enough freespace need %u have %d", - total_size, btrfs_leaf_free_space(root, leaf)); + btrfs_crit(root->fs_info, + "not enough freespace need %u have %d", + total_size, btrfs_leaf_free_space(root, leaf)); BUG(); } @@ -4782,8 +4757,9 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path, if (old_data < data_end) { btrfs_print_leaf(root, leaf); - btrfs_crit(root->fs_info, "slot %d old_data %d data_end %d", - slot, old_data, data_end); + btrfs_crit(root->fs_info, + "slot %d old_data %d data_end %d", + slot, old_data, data_end); BUG_ON(1); } /* @@ -4793,7 +4769,7 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path, for (i = slot; i < nritems; i++) { u32 ioff; - item = btrfs_item_nr( i); + item = btrfs_item_nr(i); ioff = btrfs_token_item_offset(leaf, item, &token); btrfs_set_token_item_offset(leaf, item, ioff - total_data, &token); diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index e62fd50237e4..6c21bad26a27 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -37,6 +37,7 @@ #include <linux/workqueue.h> #include <linux/security.h> #include <linux/sizes.h> +#include <linux/dynamic_debug.h> #include "extent_io.h" #include "extent_map.h" #include "async-thread.h" @@ -676,9 +677,25 @@ struct btrfs_device; struct btrfs_fs_devices; struct btrfs_balance_control; struct btrfs_delayed_root; + +#define BTRFS_FS_BARRIER 1 +#define BTRFS_FS_CLOSING_START 2 +#define BTRFS_FS_CLOSING_DONE 3 +#define BTRFS_FS_LOG_RECOVERING 4 +#define BTRFS_FS_OPEN 5 +#define BTRFS_FS_QUOTA_ENABLED 6 +#define BTRFS_FS_QUOTA_ENABLING 7 +#define BTRFS_FS_QUOTA_DISABLING 8 +#define BTRFS_FS_UPDATE_UUID_TREE_GEN 9 +#define BTRFS_FS_CREATING_FREE_SPACE_TREE 10 +#define BTRFS_FS_BTREE_ERR 11 +#define BTRFS_FS_LOG1_ERR 12 +#define BTRFS_FS_LOG2_ERR 13 + struct btrfs_fs_info { u8 fsid[BTRFS_FSID_SIZE]; u8 chunk_tree_uuid[BTRFS_UUID_SIZE]; + unsigned long flags; struct btrfs_root *extent_root; struct btrfs_root *tree_root; struct btrfs_root *chunk_root; @@ -907,10 +924,6 @@ struct btrfs_fs_info { int thread_pool_size; struct kobject *space_info_kobj; - int do_barriers; - int closing; - int log_root_recovering; - int open; u64 total_pinned; @@ -987,17 +1000,6 @@ struct btrfs_fs_info { #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY u32 check_integrity_print_mask; #endif - /* - * quota information - */ - unsigned int quota_enabled:1; - - /* - * quota_enabled only changes state after a commit. This holds the - * next state. - */ - unsigned int pending_quota_state:1; - /* is qgroup tracking in a consistent state? */ u64 qgroup_flags; @@ -1061,7 +1063,6 @@ struct btrfs_fs_info { wait_queue_head_t replace_wait; struct semaphore uuid_tree_rescan_sem; - unsigned int update_uuid_tree_gen:1; /* Used to reclaim the metadata space in the background. */ struct work_struct async_reclaim_work; @@ -1080,7 +1081,6 @@ struct btrfs_fs_info { */ struct list_head pinned_chunks; - int creating_free_space_tree; /* Used to record internally whether fs has been frozen */ int fs_frozen; }; @@ -1435,13 +1435,13 @@ static inline void btrfs_init_map_token (struct btrfs_map_token *token) #define cpu_to_le8(v) (v) #define __le8 u8 -#define read_eb_member(eb, ptr, type, member, result) ( \ +#define read_eb_member(eb, ptr, type, member, result) (\ read_extent_buffer(eb, (char *)(result), \ ((unsigned long)(ptr)) + \ offsetof(type, member), \ sizeof(((type *)0)->member))) -#define write_eb_member(eb, ptr, type, member, result) ( \ +#define write_eb_member(eb, ptr, type, member, result) (\ write_extent_buffer(eb, (char *)(result), \ ((unsigned long)(ptr)) + \ offsetof(type, member), \ @@ -2293,6 +2293,21 @@ static inline unsigned long btrfs_leaf_data(struct extent_buffer *l) return offsetof(struct btrfs_leaf, items); } +/* + * The leaf data grows from end-to-front in the node. + * this returns the address of the start of the last item, + * which is the stop of the leaf data stack + */ +static inline unsigned int leaf_data_end(struct btrfs_root *root, + struct extent_buffer *leaf) +{ + u32 nr = btrfs_header_nritems(leaf); + + if (nr == 0) + return BTRFS_LEAF_DATA_SIZE(root); + return btrfs_item_offset_nr(leaf, nr - 1); +} + /* struct btrfs_file_extent_item */ BTRFS_SETGET_FUNCS(file_extent_type, struct btrfs_file_extent_item, type, 8); BTRFS_SETGET_STACK_FUNCS(stack_file_extent_disk_bytenr, @@ -2867,10 +2882,14 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans, static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info) { /* - * Get synced with close_ctree() + * Do it this way so we only ever do one test_bit in the normal case. */ - smp_mb(); - return fs_info->closing; + if (test_bit(BTRFS_FS_CLOSING_START, &fs_info->flags)) { + if (test_bit(BTRFS_FS_CLOSING_DONE, &fs_info->flags)) + return 2; + return 1; + } + return 0; } /* @@ -3118,7 +3137,7 @@ int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput); int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, int delay_iput, int nr); int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end, - struct extent_state **cached_state); + struct extent_state **cached_state, int dedupe); int btrfs_create_subvol_root(struct btrfs_trans_handle *trans, struct btrfs_root *new_root, struct btrfs_root *parent_root, @@ -3236,14 +3255,17 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, unsigned long new_flags); int btrfs_sync_fs(struct super_block *sb, int wait); +static inline __printf(2, 3) +void btrfs_no_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) +{ +} + #ifdef CONFIG_PRINTK __printf(2, 3) void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...); #else -static inline __printf(2, 3) -void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) -{ -} +#define btrfs_printk(fs_info, fmt, args...) \ + btrfs_no_printk(fs_info, fmt, ##args) #endif #define btrfs_emerg(fs_info, fmt, args...) \ @@ -3314,7 +3336,35 @@ void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) btrfs_printk_ratelimited(fs_info, KERN_NOTICE fmt, ##args) #define btrfs_info_rl(fs_info, fmt, args...) \ btrfs_printk_ratelimited(fs_info, KERN_INFO fmt, ##args) -#ifdef DEBUG + +#if defined(CONFIG_DYNAMIC_DEBUG) +#define btrfs_debug(fs_info, fmt, args...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + btrfs_printk(fs_info, KERN_DEBUG fmt, ##args); \ +} while (0) +#define btrfs_debug_in_rcu(fs_info, fmt, args...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + btrfs_printk_in_rcu(fs_info, KERN_DEBUG fmt, ##args); \ +} while (0) +#define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + btrfs_printk_rl_in_rcu(fs_info, KERN_DEBUG fmt, \ + ##args);\ +} while (0) +#define btrfs_debug_rl(fs_info, fmt, args...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + btrfs_printk_ratelimited(fs_info, KERN_DEBUG fmt, \ + ##args); \ +} while (0) +#elif defined(DEBUG) #define btrfs_debug(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_in_rcu(fs_info, fmt, args...) \ @@ -3325,13 +3375,13 @@ void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) btrfs_printk_ratelimited(fs_info, KERN_DEBUG fmt, ##args) #else #define btrfs_debug(fs_info, fmt, args...) \ - no_printk(KERN_DEBUG fmt, ##args) + btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_in_rcu(fs_info, fmt, args...) \ - no_printk(KERN_DEBUG fmt, ##args) + btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \ - no_printk(KERN_DEBUG fmt, ##args) + btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_rl(fs_info, fmt, args...) \ - no_printk(KERN_DEBUG fmt, ##args) + btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args) #endif #define btrfs_printk_in_rcu(fs_info, fmt, args...) \ @@ -3362,7 +3412,7 @@ do { \ __cold static inline void assfail(char *expr, char *file, int line) { - pr_err("BTRFS: assertion failed: %s, file: %s, line: %d", + pr_err("assertion failed: %s, file: %s, line: %d\n", expr, file, line); BUG(); } diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 3eeb9cd8cfa5..0fcf5f25d524 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -385,11 +385,8 @@ static struct btrfs_delayed_item *__btrfs_lookup_delayed_insertion_item( struct btrfs_delayed_node *delayed_node, struct btrfs_key *key) { - struct btrfs_delayed_item *item; - - item = __btrfs_lookup_delayed_item(&delayed_node->ins_root, key, + return __btrfs_lookup_delayed_item(&delayed_node->ins_root, key, NULL, NULL); - return item; } static int __btrfs_add_delayed_item(struct btrfs_delayed_node *delayed_node, @@ -1481,11 +1478,10 @@ int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans, mutex_lock(&delayed_node->mutex); ret = __btrfs_add_delayed_insertion_item(delayed_node, delayed_item); if (unlikely(ret)) { - btrfs_err(root->fs_info, "err add delayed dir index item(name: %.*s) " - "into the insertion tree of the delayed node" - "(root id: %llu, inode id: %llu, errno: %d)", - name_len, name, delayed_node->root->objectid, - delayed_node->inode_id, ret); + btrfs_err(root->fs_info, + "err add delayed dir index item(name: %.*s) into the insertion tree of the delayed node(root id: %llu, inode id: %llu, errno: %d)", + name_len, name, delayed_node->root->objectid, + delayed_node->inode_id, ret); BUG(); } mutex_unlock(&delayed_node->mutex); @@ -1553,11 +1549,9 @@ int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans, mutex_lock(&node->mutex); ret = __btrfs_add_delayed_deletion_item(node, item); if (unlikely(ret)) { - btrfs_err(root->fs_info, "err add delayed dir index item(index: %llu) " - "into the deletion tree of the delayed node" - "(root id: %llu, inode id: %llu, errno: %d)", - index, node->root->objectid, node->inode_id, - ret); + btrfs_err(root->fs_info, + "err add delayed dir index item(index: %llu) into the deletion tree of the delayed node(root id: %llu, inode id: %llu, errno: %d)", + index, node->root->objectid, node->inode_id, ret); BUG(); } mutex_unlock(&node->mutex); @@ -1874,7 +1868,8 @@ int btrfs_delayed_delete_inode_ref(struct inode *inode) * leads to enospc problems. This means we also can't do * delayed inode refs */ - if (BTRFS_I(inode)->root->fs_info->log_root_recovering) + if (test_bit(BTRFS_FS_LOG_RECOVERING, + &BTRFS_I(inode)->root->fs_info->flags)) return -EAGAIN; delayed_node = btrfs_get_or_create_delayed_node(inode); diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index ac02e041464b..8d93854a4b4f 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -322,10 +322,11 @@ int btrfs_check_delayed_seq(struct btrfs_fs_info *fs_info, elem = list_first_entry(&fs_info->tree_mod_seq_list, struct seq_list, list); if (seq >= elem->seq) { - pr_debug("holding back delayed_ref %#x.%x, lowest is %#x.%x (%p)\n", - (u32)(seq >> 32), (u32)seq, - (u32)(elem->seq >> 32), (u32)elem->seq, - delayed_refs); + btrfs_debug(fs_info, + "holding back delayed_ref %#x.%x, lowest is %#x.%x (%p)", + (u32)(seq >> 32), (u32)seq, + (u32)(elem->seq >> 32), (u32)elem->seq, + delayed_refs); ret = 1; } } @@ -770,7 +771,8 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info, if (!head_ref) goto free_ref; - if (fs_info->quota_enabled && is_fstree(ref_root)) { + if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) && + is_fstree(ref_root)) { record = kmalloc(sizeof(*record), GFP_NOFS); if (!record) goto free_head_ref; @@ -828,7 +830,8 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info, return -ENOMEM; } - if (fs_info->quota_enabled && is_fstree(ref_root)) { + if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) && + is_fstree(ref_root)) { record = kmalloc(sizeof(*record), GFP_NOFS); if (!record) { kmem_cache_free(btrfs_delayed_data_ref_cachep, ref); diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index e9bbff3c0029..05169ef30596 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -218,8 +218,9 @@ int btrfs_run_dev_replace(struct btrfs_trans_handle *trans, } ret = btrfs_search_slot(trans, dev_root, &key, path, -1, 1); if (ret < 0) { - btrfs_warn(fs_info, "error %d while searching for dev_replace item!", - ret); + btrfs_warn(fs_info, + "error %d while searching for dev_replace item!", + ret); goto out; } @@ -238,8 +239,9 @@ int btrfs_run_dev_replace(struct btrfs_trans_handle *trans, */ ret = btrfs_del_item(trans, dev_root, path); if (ret != 0) { - btrfs_warn(fs_info, "delete too small dev_replace item failed %d!", - ret); + btrfs_warn(fs_info, + "delete too small dev_replace item failed %d!", + ret); goto out; } ret = 1; @@ -251,8 +253,8 @@ int btrfs_run_dev_replace(struct btrfs_trans_handle *trans, ret = btrfs_insert_empty_item(trans, dev_root, path, &key, sizeof(*ptr)); if (ret < 0) { - btrfs_warn(fs_info, "insert dev_replace item failed %d!", - ret); + btrfs_warn(fs_info, + "insert dev_replace item failed %d!", ret); goto out; } } @@ -383,7 +385,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name, ret = btrfs_sysfs_add_device_link(tgt_device->fs_devices, tgt_device); if (ret) - btrfs_err(fs_info, "kobj add dev failed %d\n", ret); + btrfs_err(fs_info, "kobj add dev failed %d", ret); btrfs_wait_ordered_roots(root->fs_info, -1, 0, (u64)-1); @@ -772,9 +774,10 @@ int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info) break; } if (!dev_replace->tgtdev || !dev_replace->tgtdev->bdev) { - btrfs_info(fs_info, "cannot continue dev_replace, tgtdev is missing"); btrfs_info(fs_info, - "you may cancel the operation after 'mount -o degraded'"); + "cannot continue dev_replace, tgtdev is missing"); + btrfs_info(fs_info, + "you may cancel the operation after 'mount -o degraded'"); btrfs_dev_replace_unlock(dev_replace, 1); return 0; } diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c index 1752625fb4dd..0dc1a033275e 100644 --- a/fs/btrfs/dir-item.c +++ b/fs/btrfs/dir-item.c @@ -472,9 +472,10 @@ int verify_dir_item(struct btrfs_root *root, /* BTRFS_MAX_XATTR_SIZE is the same for all dir items */ if ((btrfs_dir_data_len(leaf, dir_item) + btrfs_dir_name_len(leaf, dir_item)) > BTRFS_MAX_XATTR_SIZE(root)) { - btrfs_crit(root->fs_info, "invalid dir item name + data len: %u + %u", - (unsigned)btrfs_dir_name_len(leaf, dir_item), - (unsigned)btrfs_dir_data_len(leaf, dir_item)); + btrfs_crit(root->fs_info, + "invalid dir item name + data len: %u + %u", + (unsigned)btrfs_dir_name_len(leaf, dir_item), + (unsigned)btrfs_dir_data_len(leaf, dir_item)); return 1; } diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 54bc8c7c6bcd..e720d3e6ec20 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -326,8 +326,7 @@ static int csum_tree_block(struct btrfs_fs_info *fs_info, read_extent_buffer(buf, &val, 0, csum_size); btrfs_warn_rl(fs_info, - "%s checksum verify failed on %llu wanted %X found %X " - "level %d", + "%s checksum verify failed on %llu wanted %X found %X level %d", fs_info->sb->s_id, buf->start, val, found, btrfs_header_level(buf)); if (result != (char *)&inline_result) @@ -402,7 +401,8 @@ out: * Return 0 if the superblock checksum type matches the checksum value of that * algorithm. Pass the raw disk superblock data. */ -static int btrfs_check_super_csum(char *raw_disk_sb) +static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info, + char *raw_disk_sb) { struct btrfs_super_block *disk_sb = (struct btrfs_super_block *)raw_disk_sb; @@ -428,7 +428,7 @@ static int btrfs_check_super_csum(char *raw_disk_sb) } if (csum_type >= ARRAY_SIZE(btrfs_csum_sizes)) { - printk(KERN_ERR "BTRFS: unsupported checksum algorithm %u\n", + btrfs_err(fs_info, "unsupported checksum algorithm %u", csum_type); ret = 1; } @@ -442,7 +442,7 @@ static int btrfs_check_super_csum(char *raw_disk_sb) */ static int btree_read_extent_buffer_pages(struct btrfs_root *root, struct extent_buffer *eb, - u64 start, u64 parent_transid) + u64 parent_transid) { struct extent_io_tree *io_tree; int failed = 0; @@ -454,8 +454,7 @@ static int btree_read_extent_buffer_pages(struct btrfs_root *root, clear_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags); io_tree = &BTRFS_I(root->fs_info->btree_inode)->io_tree; while (1) { - ret = read_extent_buffer_pages(io_tree, eb, start, - WAIT_COMPLETE, + ret = read_extent_buffer_pages(io_tree, eb, WAIT_COMPLETE, btree_get_extent, mirror_num); if (!ret) { if (!verify_parent_transid(io_tree, eb, @@ -547,9 +546,10 @@ static int check_tree_block_fsid(struct btrfs_fs_info *fs_info, } #define CORRUPT(reason, eb, root, slot) \ - btrfs_crit(root->fs_info, "corrupt leaf, %s: block=%llu," \ - "root=%llu, slot=%d", reason, \ - btrfs_header_bytenr(eb), root->objectid, slot) + btrfs_crit(root->fs_info, "corrupt %s, %s: block=%llu," \ + " root=%llu, slot=%d", \ + btrfs_header_level(eb) == 0 ? "leaf" : "node",\ + reason, btrfs_header_bytenr(eb), root->objectid, slot) static noinline int check_leaf(struct btrfs_root *root, struct extent_buffer *leaf) @@ -636,6 +636,10 @@ static noinline int check_leaf(struct btrfs_root *root, static int check_node(struct btrfs_root *root, struct extent_buffer *node) { unsigned long nr = btrfs_header_nritems(node); + struct btrfs_key key, next_key; + int slot; + u64 bytenr; + int ret = 0; if (nr == 0 || nr > BTRFS_NODEPTRS_PER_BLOCK(root)) { btrfs_crit(root->fs_info, @@ -643,7 +647,26 @@ static int check_node(struct btrfs_root *root, struct extent_buffer *node) node->start, root->objectid, nr); return -EIO; } - return 0; + + for (slot = 0; slot < nr - 1; slot++) { + bytenr = btrfs_node_blockptr(node, slot); + btrfs_node_key_to_cpu(node, &key, slot); + btrfs_node_key_to_cpu(node, &next_key, slot + 1); + + if (!bytenr) { + CORRUPT("invalid item slot", node, root, slot); + ret = -EIO; + goto out; + } + + if (btrfs_comp_cpu_keys(&key, &next_key) >= 0) { + CORRUPT("bad key order", node, root, slot); + ret = -EIO; + goto out; + } + } +out: + return ret; } static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, @@ -1132,7 +1155,7 @@ void readahead_tree_block(struct btrfs_root *root, u64 bytenr) if (IS_ERR(buf)) return; read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree, - buf, 0, WAIT_NONE, btree_get_extent, 0); + buf, WAIT_NONE, btree_get_extent, 0); free_extent_buffer(buf); } @@ -1150,7 +1173,7 @@ int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, set_bit(EXTENT_BUFFER_READAHEAD, &buf->bflags); - ret = read_extent_buffer_pages(io_tree, buf, 0, WAIT_PAGE_LOCK, + ret = read_extent_buffer_pages(io_tree, buf, WAIT_PAGE_LOCK, btree_get_extent, mirror_num); if (ret) { free_extent_buffer(buf); @@ -1206,7 +1229,7 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, if (IS_ERR(buf)) return buf; - ret = btree_read_extent_buffer_pages(root, buf, 0, parent_transid); + ret = btree_read_extent_buffer_pages(root, buf, parent_transid); if (ret) { free_extent_buffer(buf); return ERR_PTR(ret); @@ -1839,7 +1862,7 @@ static int cleaner_kthread(void *arg) * Do not do anything if we might cause open_ctree() to block * before we have finished mounting the filesystem. */ - if (!root->fs_info->open) + if (!test_bit(BTRFS_FS_OPEN, &root->fs_info->flags)) goto sleep; if (!mutex_trylock(&root->fs_info->cleaner_mutex)) @@ -2332,8 +2355,6 @@ static void btrfs_init_qgroup(struct btrfs_fs_info *fs_info) fs_info->qgroup_op_tree = RB_ROOT; INIT_LIST_HEAD(&fs_info->dirty_qgroups); fs_info->qgroup_seq = 1; - fs_info->quota_enabled = 0; - fs_info->pending_quota_state = 0; fs_info->qgroup_ulist = NULL; fs_info->qgroup_rescan_running = false; mutex_init(&fs_info->qgroup_rescan_lock); @@ -2518,8 +2539,7 @@ static int btrfs_read_roots(struct btrfs_fs_info *fs_info, root = btrfs_read_tree_root(tree_root, &location); if (!IS_ERR(root)) { set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); - fs_info->quota_enabled = 1; - fs_info->pending_quota_state = 1; + set_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); fs_info->quota_root = root; } @@ -2710,8 +2730,7 @@ int open_ctree(struct super_block *sb, extent_io_tree_init(&fs_info->freed_extents[1], fs_info->btree_inode->i_mapping); fs_info->pinned_extents = &fs_info->freed_extents[0]; - fs_info->do_barriers = 1; - + set_bit(BTRFS_FS_BARRIER, &fs_info->flags); mutex_init(&fs_info->ordered_operations_mutex); mutex_init(&fs_info->tree_log_mutex); @@ -2762,7 +2781,7 @@ int open_ctree(struct super_block *sb, * We want to check superblock checksum, the type is stored inside. * Pass the whole disk block of size BTRFS_SUPER_INFO_SIZE (4k). */ - if (btrfs_check_super_csum(bh->b_data)) { + if (btrfs_check_super_csum(fs_info, bh->b_data)) { btrfs_err(fs_info, "superblock checksum mismatch"); err = -EINVAL; brelse(bh); @@ -3199,10 +3218,9 @@ retry_root_backup: return ret; } } else { - fs_info->update_uuid_tree_gen = 1; + set_bit(BTRFS_FS_UPDATE_UUID_TREE_GEN, &fs_info->flags); } - - fs_info->open = 1; + set_bit(BTRFS_FS_OPEN, &fs_info->flags); /* * backuproot only affect mount behavior, and if open_ctree succeeded, @@ -3607,7 +3625,7 @@ int btrfs_get_num_tolerated_disk_barrier_failures(u64 flags) } if (min_tolerated == INT_MAX) { - pr_warn("BTRFS: unknown raid flag: %llu\n", flags); + pr_warn("BTRFS: unknown raid flag: %llu", flags); min_tolerated = 0; } @@ -3893,8 +3911,7 @@ void close_ctree(struct btrfs_root *root) struct btrfs_fs_info *fs_info = root->fs_info; int ret; - fs_info->closing = 1; - smp_mb(); + set_bit(BTRFS_FS_CLOSING_START, &fs_info->flags); /* wait for the qgroup rescan worker to stop */ btrfs_qgroup_wait_for_completion(fs_info, false); @@ -3939,8 +3956,7 @@ void close_ctree(struct btrfs_root *root) kthread_stop(fs_info->transaction_kthread); kthread_stop(fs_info->cleaner_kthread); - fs_info->closing = 2; - smp_mb(); + set_bit(BTRFS_FS_CLOSING_DONE, &fs_info->flags); btrfs_free_qgroup_config(fs_info); @@ -3965,7 +3981,7 @@ void close_ctree(struct btrfs_root *root) invalidate_inode_pages2(fs_info->btree_inode->i_mapping); btrfs_stop_all_workers(fs_info); - fs_info->open = 0; + clear_bit(BTRFS_FS_OPEN, &fs_info->flags); free_root_pointers(fs_info, 1); iput(fs_info->btree_inode); @@ -4036,8 +4052,7 @@ void btrfs_mark_buffer_dirty(struct extent_buffer *buf) root = BTRFS_I(buf->pages[0]->mapping->host)->root; btrfs_assert_tree_locked(buf); if (transid != root->fs_info->generation) - WARN(1, KERN_CRIT "btrfs transid mismatch buffer %llu, " - "found %llu running %llu\n", + WARN(1, KERN_CRIT "btrfs transid mismatch buffer %llu, found %llu running %llu\n", buf->start, transid, root->fs_info->generation); was_dirty = set_extent_buffer_dirty(buf); if (!was_dirty) @@ -4088,7 +4103,7 @@ void btrfs_btree_balance_dirty_nodelay(struct btrfs_root *root) int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid) { struct btrfs_root *root = BTRFS_I(buf->pages[0]->mapping->host)->root; - return btree_read_extent_buffer_pages(root, buf, 0, parent_transid); + return btree_read_extent_buffer_pages(root, buf, parent_transid); } static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, @@ -4100,24 +4115,24 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, int ret = 0; if (btrfs_super_magic(sb) != BTRFS_MAGIC) { - printk(KERN_ERR "BTRFS: no valid FS found\n"); + btrfs_err(fs_info, "no valid FS found"); ret = -EINVAL; } if (btrfs_super_flags(sb) & ~BTRFS_SUPER_FLAG_SUPP) - printk(KERN_WARNING "BTRFS: unrecognized super flag: %llu\n", + btrfs_warn(fs_info, "unrecognized super flag: %llu", btrfs_super_flags(sb) & ~BTRFS_SUPER_FLAG_SUPP); if (btrfs_super_root_level(sb) >= BTRFS_MAX_LEVEL) { - printk(KERN_ERR "BTRFS: tree_root level too big: %d >= %d\n", + btrfs_err(fs_info, "tree_root level too big: %d >= %d", btrfs_super_root_level(sb), BTRFS_MAX_LEVEL); ret = -EINVAL; } if (btrfs_super_chunk_root_level(sb) >= BTRFS_MAX_LEVEL) { - printk(KERN_ERR "BTRFS: chunk_root level too big: %d >= %d\n", + btrfs_err(fs_info, "chunk_root level too big: %d >= %d", btrfs_super_chunk_root_level(sb), BTRFS_MAX_LEVEL); ret = -EINVAL; } if (btrfs_super_log_root_level(sb) >= BTRFS_MAX_LEVEL) { - printk(KERN_ERR "BTRFS: log_root level too big: %d >= %d\n", + btrfs_err(fs_info, "log_root level too big: %d >= %d", btrfs_super_log_root_level(sb), BTRFS_MAX_LEVEL); ret = -EINVAL; } @@ -4128,47 +4143,48 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, */ if (!is_power_of_2(sectorsize) || sectorsize < 4096 || sectorsize > BTRFS_MAX_METADATA_BLOCKSIZE) { - printk(KERN_ERR "BTRFS: invalid sectorsize %llu\n", sectorsize); + btrfs_err(fs_info, "invalid sectorsize %llu", sectorsize); ret = -EINVAL; } /* Only PAGE SIZE is supported yet */ if (sectorsize != PAGE_SIZE) { - printk(KERN_ERR "BTRFS: sectorsize %llu not supported yet, only support %lu\n", - sectorsize, PAGE_SIZE); + btrfs_err(fs_info, + "sectorsize %llu not supported yet, only support %lu", + sectorsize, PAGE_SIZE); ret = -EINVAL; } if (!is_power_of_2(nodesize) || nodesize < sectorsize || nodesize > BTRFS_MAX_METADATA_BLOCKSIZE) { - printk(KERN_ERR "BTRFS: invalid nodesize %llu\n", nodesize); + btrfs_err(fs_info, "invalid nodesize %llu", nodesize); ret = -EINVAL; } if (nodesize != le32_to_cpu(sb->__unused_leafsize)) { - printk(KERN_ERR "BTRFS: invalid leafsize %u, should be %llu\n", - le32_to_cpu(sb->__unused_leafsize), - nodesize); + btrfs_err(fs_info, "invalid leafsize %u, should be %llu", + le32_to_cpu(sb->__unused_leafsize), nodesize); ret = -EINVAL; } /* Root alignment check */ if (!IS_ALIGNED(btrfs_super_root(sb), sectorsize)) { - printk(KERN_WARNING "BTRFS: tree_root block unaligned: %llu\n", - btrfs_super_root(sb)); + btrfs_warn(fs_info, "tree_root block unaligned: %llu", + btrfs_super_root(sb)); ret = -EINVAL; } if (!IS_ALIGNED(btrfs_super_chunk_root(sb), sectorsize)) { - printk(KERN_WARNING "BTRFS: chunk_root block unaligned: %llu\n", - btrfs_super_chunk_root(sb)); + btrfs_warn(fs_info, "chunk_root block unaligned: %llu", + btrfs_super_chunk_root(sb)); ret = -EINVAL; } if (!IS_ALIGNED(btrfs_super_log_root(sb), sectorsize)) { - printk(KERN_WARNING "BTRFS: log_root block unaligned: %llu\n", - btrfs_super_log_root(sb)); + btrfs_warn(fs_info, "log_root block unaligned: %llu", + btrfs_super_log_root(sb)); ret = -EINVAL; } if (memcmp(fs_info->fsid, sb->dev_item.fsid, BTRFS_UUID_SIZE) != 0) { - printk(KERN_ERR "BTRFS: dev_item UUID does not match fsid: %pU != %pU\n", - fs_info->fsid, sb->dev_item.fsid); + btrfs_err(fs_info, + "dev_item UUID does not match fsid: %pU != %pU", + fs_info->fsid, sb->dev_item.fsid); ret = -EINVAL; } @@ -4178,25 +4194,25 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, */ if (btrfs_super_bytes_used(sb) < 6 * btrfs_super_nodesize(sb)) { btrfs_err(fs_info, "bytes_used is too small %llu", - btrfs_super_bytes_used(sb)); + btrfs_super_bytes_used(sb)); ret = -EINVAL; } if (!is_power_of_2(btrfs_super_stripesize(sb))) { btrfs_err(fs_info, "invalid stripesize %u", - btrfs_super_stripesize(sb)); + btrfs_super_stripesize(sb)); ret = -EINVAL; } if (btrfs_super_num_devices(sb) > (1UL << 31)) - printk(KERN_WARNING "BTRFS: suspicious number of devices: %llu\n", - btrfs_super_num_devices(sb)); + btrfs_warn(fs_info, "suspicious number of devices: %llu", + btrfs_super_num_devices(sb)); if (btrfs_super_num_devices(sb) == 0) { - printk(KERN_ERR "BTRFS: number of devices is 0\n"); + btrfs_err(fs_info, "number of devices is 0"); ret = -EINVAL; } if (btrfs_super_bytenr(sb) != BTRFS_SUPER_INFO_OFFSET) { - printk(KERN_ERR "BTRFS: super offset mismatch %llu != %u\n", - btrfs_super_bytenr(sb), BTRFS_SUPER_INFO_OFFSET); + btrfs_err(fs_info, "super offset mismatch %llu != %u", + btrfs_super_bytenr(sb), BTRFS_SUPER_INFO_OFFSET); ret = -EINVAL; } @@ -4205,17 +4221,17 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, * and one chunk */ if (btrfs_super_sys_array_size(sb) > BTRFS_SYSTEM_CHUNK_ARRAY_SIZE) { - printk(KERN_ERR "BTRFS: system chunk array too big %u > %u\n", - btrfs_super_sys_array_size(sb), - BTRFS_SYSTEM_CHUNK_ARRAY_SIZE); + btrfs_err(fs_info, "system chunk array too big %u > %u", + btrfs_super_sys_array_size(sb), + BTRFS_SYSTEM_CHUNK_ARRAY_SIZE); ret = -EINVAL; } if (btrfs_super_sys_array_size(sb) < sizeof(struct btrfs_disk_key) + sizeof(struct btrfs_chunk)) { - printk(KERN_ERR "BTRFS: system chunk array too small %u < %zu\n", - btrfs_super_sys_array_size(sb), - sizeof(struct btrfs_disk_key) - + sizeof(struct btrfs_chunk)); + btrfs_err(fs_info, "system chunk array too small %u < %zu", + btrfs_super_sys_array_size(sb), + sizeof(struct btrfs_disk_key) + + sizeof(struct btrfs_chunk)); ret = -EINVAL; } @@ -4224,14 +4240,16 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, * but it's still possible that it's the one that's wrong. */ if (btrfs_super_generation(sb) < btrfs_super_chunk_root_generation(sb)) - printk(KERN_WARNING - "BTRFS: suspicious: generation < chunk_root_generation: %llu < %llu\n", - btrfs_super_generation(sb), btrfs_super_chunk_root_generation(sb)); + btrfs_warn(fs_info, + "suspicious: generation < chunk_root_generation: %llu < %llu", + btrfs_super_generation(sb), + btrfs_super_chunk_root_generation(sb)); if (btrfs_super_generation(sb) < btrfs_super_cache_generation(sb) && btrfs_super_cache_generation(sb) != (u64)-1) - printk(KERN_WARNING - "BTRFS: suspicious: generation < cache_generation: %llu < %llu\n", - btrfs_super_generation(sb), btrfs_super_cache_generation(sb)); + btrfs_warn(fs_info, + "suspicious: generation < cache_generation: %llu < %llu", + btrfs_super_generation(sb), + btrfs_super_cache_generation(sb)); return ret; } @@ -4475,9 +4493,80 @@ again: return 0; } +static void btrfs_cleanup_bg_io(struct btrfs_block_group_cache *cache) +{ + struct inode *inode; + + inode = cache->io_ctl.inode; + if (inode) { + invalidate_inode_pages2(inode->i_mapping); + BTRFS_I(inode)->generation = 0; + cache->io_ctl.inode = NULL; + iput(inode); + } + btrfs_put_block_group(cache); +} + +void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *cur_trans, + struct btrfs_root *root) +{ + struct btrfs_block_group_cache *cache; + + spin_lock(&cur_trans->dirty_bgs_lock); + while (!list_empty(&cur_trans->dirty_bgs)) { + cache = list_first_entry(&cur_trans->dirty_bgs, + struct btrfs_block_group_cache, + dirty_list); + if (!cache) { + btrfs_err(root->fs_info, + "orphan block group dirty_bgs list"); + spin_unlock(&cur_trans->dirty_bgs_lock); + return; + } + + if (!list_empty(&cache->io_list)) { + spin_unlock(&cur_trans->dirty_bgs_lock); + list_del_init(&cache->io_list); + btrfs_cleanup_bg_io(cache); + spin_lock(&cur_trans->dirty_bgs_lock); + } + + list_del_init(&cache->dirty_list); + spin_lock(&cache->lock); + cache->disk_cache_state = BTRFS_DC_ERROR; + spin_unlock(&cache->lock); + + spin_unlock(&cur_trans->dirty_bgs_lock); + btrfs_put_block_group(cache); + spin_lock(&cur_trans->dirty_bgs_lock); + } + spin_unlock(&cur_trans->dirty_bgs_lock); + + while (!list_empty(&cur_trans->io_bgs)) { + cache = list_first_entry(&cur_trans->io_bgs, + struct btrfs_block_group_cache, + io_list); + if (!cache) { + btrfs_err(root->fs_info, + "orphan block group on io_bgs list"); + return; + } + + list_del_init(&cache->io_list); + spin_lock(&cache->lock); + cache->disk_cache_state = BTRFS_DC_ERROR; + spin_unlock(&cache->lock); + btrfs_cleanup_bg_io(cache); + } +} + void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans, struct btrfs_root *root) { + btrfs_cleanup_dirty_bgs(cur_trans, root); + ASSERT(list_empty(&cur_trans->dirty_bgs)); + ASSERT(list_empty(&cur_trans->io_bgs)); + btrfs_destroy_delayed_refs(cur_trans, root); cur_trans->state = TRANS_STATE_COMMIT_START; diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index f19a982f5a4f..1a3237e5700f 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -136,6 +136,8 @@ int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info); int btrfs_add_log_tree(struct btrfs_trans_handle *trans, struct btrfs_root *root); +void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *trans, + struct btrfs_root *root); void btrfs_cleanup_one_transaction(struct btrfs_transaction *trans, struct btrfs_root *root); struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 665da8f66ff1..210c94ac8818 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -87,7 +87,8 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans, int force); static int find_next_key(struct btrfs_path *path, int level, struct btrfs_key *key); -static void dump_space_info(struct btrfs_space_info *info, u64 bytes, +static void dump_space_info(struct btrfs_fs_info *fs_info, + struct btrfs_space_info *info, u64 bytes, int dump_block_groups); static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, u64 ram_bytes, u64 num_bytes, int delalloc); @@ -266,9 +267,8 @@ static int exclude_super_stripes(struct btrfs_root *root, for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) { bytenr = btrfs_sb_offset(i); - ret = btrfs_rmap_block(&root->fs_info->mapping_tree, - cache->key.objectid, bytenr, - 0, &logical, &nr, &stripe_len); + ret = btrfs_rmap_block(root->fs_info, cache->key.objectid, + bytenr, 0, &logical, &nr, &stripe_len); if (ret) return ret; @@ -730,11 +730,7 @@ static int cache_block_group(struct btrfs_block_group_cache *cache, static struct btrfs_block_group_cache * btrfs_lookup_first_block_group(struct btrfs_fs_info *info, u64 bytenr) { - struct btrfs_block_group_cache *cache; - - cache = block_group_cache_tree_search(info, bytenr, 0); - - return cache; + return block_group_cache_tree_search(info, bytenr, 0); } /* @@ -744,11 +740,7 @@ struct btrfs_block_group_cache *btrfs_lookup_block_group( struct btrfs_fs_info *info, u64 bytenr) { - struct btrfs_block_group_cache *cache; - - cache = block_group_cache_tree_search(info, bytenr, 1); - - return cache; + return block_group_cache_tree_search(info, bytenr, 1); } static struct btrfs_space_info *__find_space_info(struct btrfs_fs_info *info, @@ -2360,7 +2352,13 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans, ins.type = BTRFS_EXTENT_ITEM_KEY; } - BUG_ON(node->ref_mod != 1); + if (node->ref_mod != 1) { + btrfs_err(root->fs_info, + "btree block(%llu) has %d references rather than 1: action %d ref_root %llu parent %llu", + node->bytenr, node->ref_mod, node->action, ref_root, + parent); + return -EIO; + } if (node->action == BTRFS_ADD_DELAYED_REF && insert_reserved) { BUG_ON(!extent_op || !extent_op->update_flags); ret = alloc_reserved_tree_block(trans, root, @@ -2590,7 +2588,9 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, if (must_insert_reserved) locked_ref->must_insert_reserved = 1; locked_ref->processing = 0; - btrfs_debug(fs_info, "run_delayed_extent_op returned %d", ret); + btrfs_debug(fs_info, + "run_delayed_extent_op returned %d", + ret); btrfs_delayed_ref_unlock(locked_ref); return ret; } @@ -2650,7 +2650,8 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, locked_ref->processing = 0; btrfs_delayed_ref_unlock(locked_ref); btrfs_put_delayed_ref(ref); - btrfs_debug(fs_info, "run_one_delayed_ref returned %d", ret); + btrfs_debug(fs_info, "run_one_delayed_ref returned %d", + ret); return ret; } @@ -2940,7 +2941,7 @@ int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, if (trans->aborted) return 0; - if (root->fs_info->creating_free_space_tree) + if (test_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &root->fs_info->flags)) return 0; if (root == root->fs_info->extent_root) @@ -2971,7 +2972,6 @@ again: spin_unlock(&delayed_refs->lock); goto out; } - count = (unsigned long)-1; while (node) { head = rb_entry(node, struct btrfs_delayed_ref_head, @@ -3694,6 +3694,8 @@ again: goto again; } spin_unlock(&cur_trans->dirty_bgs_lock); + } else if (ret < 0) { + btrfs_cleanup_dirty_bgs(cur_trans, root); } btrfs_free_path(path); @@ -4429,7 +4431,7 @@ void check_system_chunk(struct btrfs_trans_handle *trans, if (left < thresh && btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) { btrfs_info(root->fs_info, "left=%llu, need=%llu, flags=%llu", left, thresh, type); - dump_space_info(info, 0, 0); + dump_space_info(root->fs_info, info, 0, 0); } if (left < thresh) { @@ -5186,7 +5188,7 @@ static int __reserve_metadata_bytes(struct btrfs_root *root, * which means we won't have fs_info->fs_root set, so don't do * the async reclaim as we will panic. */ - if (!root->fs_info->log_root_recovering && + if (!test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags) && need_do_async_reclaim(space_info, root, used) && !work_busy(&root->fs_info->async_reclaim_work)) { trace_btrfs_trigger_flush(root->fs_info, @@ -5792,7 +5794,7 @@ int btrfs_subvolume_reserve_metadata(struct btrfs_root *root, int ret; struct btrfs_block_rsv *global_rsv = &root->fs_info->global_block_rsv; - if (root->fs_info->quota_enabled) { + if (test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags)) { /* One for parent inode, two for dir entries */ num_bytes = 3 * root->nodesize; ret = btrfs_qgroup_reserve_meta(root, num_bytes); @@ -5970,7 +5972,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes) csum_bytes = BTRFS_I(inode)->csum_bytes; spin_unlock(&BTRFS_I(inode)->lock); - if (root->fs_info->quota_enabled) { + if (test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags)) { ret = btrfs_qgroup_reserve_meta(root, nr_extents * root->nodesize); if (ret) @@ -6110,8 +6112,6 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes) * @start: start range we are writing to * @len: how long the range we are writing to * - * TODO: This function will finally replace old btrfs_delalloc_reserve_space() - * * This will do the following things * * o reserve space in data space info for num bytes @@ -6930,8 +6930,9 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, } if (ret) { - btrfs_err(info, "umm, got %d back from search, was looking for %llu", - ret, bytenr); + btrfs_err(info, + "umm, got %d back from search, was looking for %llu", + ret, bytenr); if (ret > 0) btrfs_print_leaf(extent_root, path->nodes[0]); @@ -6977,7 +6978,8 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, ret = btrfs_search_slot(trans, extent_root, &key, path, -1, 1); if (ret) { - btrfs_err(info, "umm, got %d back from search, was looking for %llu", + btrfs_err(info, + "umm, got %d back from search, was looking for %llu", ret, bytenr); btrfs_print_leaf(extent_root, path->nodes[0]); } @@ -7004,8 +7006,9 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, refs = btrfs_extent_refs(leaf, ei); if (refs < refs_to_drop) { - btrfs_err(info, "trying to drop %d refs but we only have %Lu " - "for bytenr %Lu", refs_to_drop, refs, bytenr); + btrfs_err(info, + "trying to drop %d refs but we only have %Lu for bytenr %Lu", + refs_to_drop, refs, bytenr); ret = -EINVAL; btrfs_abort_transaction(trans, ret); goto out; @@ -7901,23 +7904,24 @@ out: return ret; } -static void dump_space_info(struct btrfs_space_info *info, u64 bytes, +static void dump_space_info(struct btrfs_fs_info *fs_info, + struct btrfs_space_info *info, u64 bytes, int dump_block_groups) { struct btrfs_block_group_cache *cache; int index = 0; spin_lock(&info->lock); - printk(KERN_INFO "BTRFS: space_info %llu has %llu free, is %sfull\n", - info->flags, - info->total_bytes - info->bytes_used - info->bytes_pinned - - info->bytes_reserved - info->bytes_readonly - - info->bytes_may_use, (info->full) ? "" : "not "); - printk(KERN_INFO "BTRFS: space_info total=%llu, used=%llu, pinned=%llu, " - "reserved=%llu, may_use=%llu, readonly=%llu\n", - info->total_bytes, info->bytes_used, info->bytes_pinned, - info->bytes_reserved, info->bytes_may_use, - info->bytes_readonly); + btrfs_info(fs_info, "space_info %llu has %llu free, is %sfull", + info->flags, + info->total_bytes - info->bytes_used - info->bytes_pinned - + info->bytes_reserved - info->bytes_readonly - + info->bytes_may_use, (info->full) ? "" : "not "); + btrfs_info(fs_info, + "space_info total=%llu, used=%llu, pinned=%llu, reserved=%llu, may_use=%llu, readonly=%llu", + info->total_bytes, info->bytes_used, info->bytes_pinned, + info->bytes_reserved, info->bytes_may_use, + info->bytes_readonly); spin_unlock(&info->lock); if (!dump_block_groups) @@ -7927,12 +7931,11 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes, again: list_for_each_entry(cache, &info->block_groups[index], list) { spin_lock(&cache->lock); - printk(KERN_INFO "BTRFS: " - "block group %llu has %llu bytes, " - "%llu used %llu pinned %llu reserved %s\n", - cache->key.objectid, cache->key.offset, - btrfs_block_group_used(&cache->item), cache->pinned, - cache->reserved, cache->ro ? "[readonly]" : ""); + btrfs_info(fs_info, + "block group %llu has %llu bytes, %llu used %llu pinned %llu reserved %s", + cache->key.objectid, cache->key.offset, + btrfs_block_group_used(&cache->item), cache->pinned, + cache->reserved, cache->ro ? "[readonly]" : ""); btrfs_dump_free_space(cache, bytes); spin_unlock(&cache->lock); } @@ -7946,6 +7949,7 @@ int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, u64 empty_size, u64 hint_byte, struct btrfs_key *ins, int is_data, int delalloc) { + struct btrfs_fs_info *fs_info = root->fs_info; bool final_tried = num_bytes == min_alloc_size; u64 flags; int ret; @@ -7956,8 +7960,7 @@ again: ret = find_free_extent(root, ram_bytes, num_bytes, empty_size, hint_byte, ins, flags, delalloc); if (!ret && !is_data) { - btrfs_dec_block_group_reservations(root->fs_info, - ins->objectid); + btrfs_dec_block_group_reservations(fs_info, ins->objectid); } else if (ret == -ENOSPC) { if (!final_tried && ins->offset) { num_bytes = min(num_bytes >> 1, ins->offset); @@ -7967,14 +7970,15 @@ again: if (num_bytes == min_alloc_size) final_tried = true; goto again; - } else if (btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) { + } else if (btrfs_test_opt(fs_info, ENOSPC_DEBUG)) { struct btrfs_space_info *sinfo; - sinfo = __find_space_info(root->fs_info, flags); - btrfs_err(root->fs_info, "allocation failed flags %llu, wanted %llu", - flags, num_bytes); + sinfo = __find_space_info(fs_info, flags); + btrfs_err(root->fs_info, + "allocation failed flags %llu, wanted %llu", + flags, num_bytes); if (sinfo) - dump_space_info(sinfo, num_bytes, 1); + dump_space_info(fs_info, sinfo, num_bytes, 1); } } @@ -8462,7 +8466,6 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans, u64 refs; u64 flags; u32 nritems; - u32 blocksize; struct btrfs_key key; struct extent_buffer *eb; int ret; @@ -8480,7 +8483,6 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans, eb = path->nodes[wc->level]; nritems = btrfs_header_nritems(eb); - blocksize = root->nodesize; for (slot = path->slots[wc->level]; slot < nritems; slot++) { if (nread >= wc->reada_count) @@ -8544,7 +8546,7 @@ static int account_leaf_items(struct btrfs_trans_handle *trans, u64 bytenr, num_bytes; /* We can be called directly from walk_up_proc() */ - if (!root->fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags)) return 0; for (i = 0; i < nr; i++) { @@ -8653,7 +8655,7 @@ static int account_shared_subtree(struct btrfs_trans_handle *trans, BUG_ON(root_level < 0 || root_level > BTRFS_MAX_LEVEL); BUG_ON(root_eb == NULL); - if (!root->fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags)) return 0; if (!extent_buffer_uptodate(root_eb)) { @@ -8884,14 +8886,13 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, ret = btrfs_lookup_extent_info(trans, root, bytenr, level - 1, 1, &wc->refs[level - 1], &wc->flags[level - 1]); - if (ret < 0) { - btrfs_tree_unlock(next); - return ret; - } + if (ret < 0) + goto out_unlock; if (unlikely(wc->refs[level - 1] == 0)) { btrfs_err(root->fs_info, "Missing references."); - BUG(); + ret = -EIO; + goto out_unlock; } *lookup_info = 0; @@ -8943,7 +8944,12 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, } level--; - BUG_ON(level != btrfs_header_level(next)); + ASSERT(level == btrfs_header_level(next)); + if (level != btrfs_header_level(next)) { + btrfs_err(root->fs_info, "mismatched level"); + ret = -EIO; + goto out_unlock; + } path->nodes[level] = next; path->slots[level] = 0; path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING; @@ -8958,8 +8964,15 @@ skip: if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF) { parent = path->nodes[level]->start; } else { - BUG_ON(root->root_key.objectid != + ASSERT(root->root_key.objectid == btrfs_header_owner(path->nodes[level])); + if (root->root_key.objectid != + btrfs_header_owner(path->nodes[level])) { + btrfs_err(root->fs_info, + "mismatched block owner"); + ret = -EIO; + goto out_unlock; + } parent = 0; } @@ -8968,20 +8981,24 @@ skip: generation, level - 1); if (ret) { btrfs_err_rl(root->fs_info, - "Error " - "%d accounting shared subtree. Quota " - "is out of sync, rescan required.", - ret); + "Error %d accounting shared subtree. Quota is out of sync, rescan required.", + ret); } } ret = btrfs_free_extent(trans, root, bytenr, blocksize, parent, root->root_key.objectid, level - 1, 0); - BUG_ON(ret); /* -ENOMEM */ + if (ret) + goto out_unlock; } + + *lookup_info = 1; + ret = 1; + +out_unlock: btrfs_tree_unlock(next); free_extent_buffer(next); - *lookup_info = 1; - return 1; + + return ret; } /* @@ -9061,10 +9078,8 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans, ret = account_leaf_items(trans, root, eb); if (ret) { btrfs_err_rl(root->fs_info, - "error " - "%d accounting leaf items. Quota " - "is out of sync, rescan required.", - ret); + "error %d accounting leaf items. Quota is out of sync, rescan required.", + ret); } } /* make block locked assertion in clean_tree_block happy */ @@ -9180,9 +9195,10 @@ int btrfs_drop_snapshot(struct btrfs_root *root, struct btrfs_block_rsv *block_rsv, int update_ref, int for_reloc) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_path *path; struct btrfs_trans_handle *trans; - struct btrfs_root *tree_root = root->fs_info->tree_root; + struct btrfs_root *tree_root = fs_info->tree_root; struct btrfs_root_item *root_item = &root->root_item; struct walk_control *wc; struct btrfs_key key; @@ -9191,7 +9207,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int level; bool root_dropped = false; - btrfs_debug(root->fs_info, "Drop subvolume %llu", root->objectid); + btrfs_debug(fs_info, "Drop subvolume %llu", root->objectid); path = btrfs_alloc_path(); if (!path) { @@ -9320,7 +9336,8 @@ int btrfs_drop_snapshot(struct btrfs_root *root, btrfs_end_transaction_throttle(trans, tree_root); if (!for_reloc && btrfs_need_cleaner_sleep(root)) { - pr_debug("BTRFS: drop snapshot early exit\n"); + btrfs_debug(fs_info, + "drop snapshot early exit"); err = -EAGAIN; goto out_free; } @@ -9386,7 +9403,7 @@ out: if (!for_reloc && root_dropped == false) btrfs_add_dead_root(root); if (err && err != -EAGAIN) - btrfs_handle_fs_error(root->fs_info, err, NULL); + btrfs_handle_fs_error(fs_info, err, NULL); return err; } @@ -10020,7 +10037,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info) if (WARN_ON(space_info->bytes_pinned > 0 || space_info->bytes_reserved > 0 || space_info->bytes_may_use > 0)) - dump_space_info(space_info, 0, 0); + dump_space_info(info, space_info, 0, 0); list_del(&space_info->list); for (i = 0; i < BTRFS_NR_RAID_TYPES; i++) { struct kobject *kobj; @@ -10069,7 +10086,8 @@ static void __link_block_group(struct btrfs_space_info *space_info, return; out_err: - pr_warn("BTRFS: failed to add kobject for block cache. ignoring.\n"); + btrfs_warn(cache->fs_info, + "failed to add kobject for block cache, ignoring"); } static struct btrfs_block_group_cache * @@ -10127,6 +10145,11 @@ int btrfs_read_block_groups(struct btrfs_root *root) struct extent_buffer *leaf; int need_clear = 0; u64 cache_gen; + u64 feature; + int mixed; + + feature = btrfs_super_incompat_flags(info->super_copy); + mixed = !!(feature & BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS); root = info->extent_root; key.objectid = 0; @@ -10180,6 +10203,15 @@ int btrfs_read_block_groups(struct btrfs_root *root) btrfs_item_ptr_offset(leaf, path->slots[0]), sizeof(cache->item)); cache->flags = btrfs_block_group_flags(&cache->item); + if (!mixed && + ((cache->flags & BTRFS_BLOCK_GROUP_METADATA) && + (cache->flags & BTRFS_BLOCK_GROUP_DATA))) { + btrfs_err(info, +"bg %llu is a mixed block group but filesystem hasn't enabled mixed block groups", + cache->key.objectid); + ret = -EINVAL; + goto error; + } key.objectid = found_key.objectid + found_key.offset; btrfs_release_path(path); @@ -10789,7 +10821,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) struct btrfs_trans_handle *trans; int ret = 0; - if (!fs_info->open) + if (!test_bit(BTRFS_FS_OPEN, &fs_info->flags)) return; spin_lock(&fs_info->unused_bgs_lock); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 44fe66b53c8b..ee40384c394d 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -20,6 +20,7 @@ #include "locking.h" #include "rcu-string.h" #include "backref.h" +#include "transaction.h" static struct kmem_cache *extent_state_cache; static struct kmem_cache *extent_buffer_cache; @@ -74,8 +75,7 @@ void btrfs_leak_debug_check(void) while (!list_empty(&buffers)) { eb = list_entry(buffers.next, struct extent_buffer, leak_list); - printk(KERN_ERR "BTRFS: buffer leak start %llu len %lu " - "refs %d\n", + pr_err("BTRFS: buffer leak start %llu len %lu refs %d\n", eb->start, eb->len, atomic_read(&eb->refs)); list_del(&eb->leak_list); kmem_cache_free(extent_buffer_cache, eb); @@ -460,8 +460,7 @@ static int insert_state(struct extent_io_tree *tree, if (node) { struct extent_state *found; found = rb_entry(node, struct extent_state, rb_node); - printk(KERN_ERR "BTRFS: found node %llu %llu on insert of " - "%llu %llu\n", + pr_err("BTRFS: found node %llu %llu on insert of %llu %llu\n", found->start, found->end, start, end); return -EEXIST; } @@ -572,9 +571,8 @@ alloc_extent_state_atomic(struct extent_state *prealloc) static void extent_io_tree_panic(struct extent_io_tree *tree, int err) { - btrfs_panic(tree_fs_info(tree), err, "Locking error: " - "Extent tree was modified by another " - "thread while locked."); + btrfs_panic(tree_fs_info(tree), err, + "Locking error: Extent tree was modified by another thread while locked."); } /* @@ -1729,7 +1727,7 @@ out_failed: } void extent_clear_unlock_delalloc(struct inode *inode, u64 start, u64 end, - struct page *locked_page, + u64 delalloc_end, struct page *locked_page, unsigned clear_bits, unsigned long page_ops) { @@ -2122,8 +2120,9 @@ int clean_io_failure(struct inode *inode, u64 start, struct page *page, if (failrec->in_validation) { /* there was no real error, just free the record */ - pr_debug("clean_io_failure: freeing dummy error at %llu\n", - failrec->start); + btrfs_debug(fs_info, + "clean_io_failure: freeing dummy error at %llu", + failrec->start); goto out; } if (fs_info->sb->s_flags & MS_RDONLY) @@ -2189,6 +2188,7 @@ void btrfs_free_io_failure_record(struct inode *inode, u64 start, u64 end) int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end, struct io_failure_record **failrec_ret) { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct io_failure_record *failrec; struct extent_map *em; struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree; @@ -2236,8 +2236,9 @@ int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end, em->compress_type); } - pr_debug("Get IO Failure Record: (new) logical=%llu, start=%llu, len=%llu\n", - logical, start, failrec->len); + btrfs_debug(fs_info, + "Get IO Failure Record: (new) logical=%llu, start=%llu, len=%llu", + logical, start, failrec->len); failrec->logical = logical; free_extent_map(em); @@ -2255,9 +2256,10 @@ int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end, return ret; } } else { - pr_debug("Get IO Failure Record: (found) logical=%llu, start=%llu, len=%llu, validation=%d\n", - failrec->logical, failrec->start, failrec->len, - failrec->in_validation); + btrfs_debug(fs_info, + "Get IO Failure Record: (found) logical=%llu, start=%llu, len=%llu, validation=%d", + failrec->logical, failrec->start, failrec->len, + failrec->in_validation); /* * when data can be on disk more than twice, add to failrec here * (e.g. with a list for failed_mirror) to make @@ -2273,18 +2275,19 @@ int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end, int btrfs_check_repairable(struct inode *inode, struct bio *failed_bio, struct io_failure_record *failrec, int failed_mirror) { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); int num_copies; - num_copies = btrfs_num_copies(BTRFS_I(inode)->root->fs_info, - failrec->logical, failrec->len); + num_copies = btrfs_num_copies(fs_info, failrec->logical, failrec->len); if (num_copies == 1) { /* * we only have a single copy of the data, so don't bother with * all the retry and error correction code that follows. no * matter what the error is, it is very likely to persist. */ - pr_debug("Check Repairable: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d\n", - num_copies, failrec->this_mirror, failed_mirror); + btrfs_debug(fs_info, + "Check Repairable: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d", + num_copies, failrec->this_mirror, failed_mirror); return 0; } @@ -2323,8 +2326,9 @@ int btrfs_check_repairable(struct inode *inode, struct bio *failed_bio, } if (failrec->this_mirror > num_copies) { - pr_debug("Check Repairable: (fail) num_copies=%d, next_mirror %d, failed_mirror %d\n", - num_copies, failrec->this_mirror, failed_mirror); + btrfs_debug(fs_info, + "Check Repairable: (fail) num_copies=%d, next_mirror %d, failed_mirror %d", + num_copies, failrec->this_mirror, failed_mirror); return 0; } @@ -2415,8 +2419,9 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset, } bio_set_op_attrs(bio, REQ_OP_READ, read_mode); - pr_debug("Repair Read Error: submitting new read[%#x] to this_mirror=%d, in_validation=%d\n", - read_mode, failrec->this_mirror, failrec->in_validation); + btrfs_debug(btrfs_sb(inode->i_sb), + "Repair Read Error: submitting new read[%#x] to this_mirror=%d, in_validation=%d", + read_mode, failrec->this_mirror, failrec->in_validation); ret = tree->ops->submit_bio_hook(inode, bio, failrec->this_mirror, failrec->bio_flags, 0); @@ -2484,8 +2489,7 @@ static void end_bio_extent_writepage(struct bio *bio) bvec->bv_offset, bvec->bv_len); else btrfs_info(BTRFS_I(page->mapping->host)->root->fs_info, - "incomplete page write in btrfs with offset %u and " - "length %u", + "incomplete page write in btrfs with offset %u and length %u", bvec->bv_offset, bvec->bv_len); } @@ -2541,10 +2545,12 @@ static void end_bio_extent_readpage(struct bio *bio) bio_for_each_segment_all(bvec, bio, i) { struct page *page = bvec->bv_page; struct inode *inode = page->mapping->host; + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - pr_debug("end_bio_extent_readpage: bi_sector=%llu, err=%d, " - "mirror=%u\n", (u64)bio->bi_iter.bi_sector, - bio->bi_error, io_bio->mirror_num); + btrfs_debug(fs_info, + "end_bio_extent_readpage: bi_sector=%llu, err=%d, mirror=%u", + (u64)bio->bi_iter.bi_sector, bio->bi_error, + io_bio->mirror_num); tree = &BTRFS_I(inode)->io_tree; /* We always issue full-page reads, but if some block @@ -2554,13 +2560,12 @@ static void end_bio_extent_readpage(struct bio *bio) * if they don't add up to a full page. */ if (bvec->bv_offset || bvec->bv_len != PAGE_SIZE) { if (bvec->bv_offset + bvec->bv_len != PAGE_SIZE) - btrfs_err(BTRFS_I(page->mapping->host)->root->fs_info, - "partial page read in btrfs with offset %u and length %u", + btrfs_err(fs_info, + "partial page read in btrfs with offset %u and length %u", bvec->bv_offset, bvec->bv_len); else - btrfs_info(BTRFS_I(page->mapping->host)->root->fs_info, - "incomplete page read in btrfs with offset %u and " - "length %u", + btrfs_info(fs_info, + "incomplete page read in btrfs with offset %u and length %u", bvec->bv_offset, bvec->bv_len); } @@ -3624,7 +3629,6 @@ static void end_extent_buffer_writeback(struct extent_buffer *eb) static void set_btree_ioerr(struct page *page) { struct extent_buffer *eb = (struct extent_buffer *)page->private; - struct btrfs_inode *btree_ino = BTRFS_I(eb->fs_info->btree_inode); SetPageError(page); if (test_and_set_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags)) @@ -3670,13 +3674,13 @@ static void set_btree_ioerr(struct page *page) */ switch (eb->log_index) { case -1: - set_bit(BTRFS_INODE_BTREE_ERR, &btree_ino->runtime_flags); + set_bit(BTRFS_FS_BTREE_ERR, &eb->fs_info->flags); break; case 0: - set_bit(BTRFS_INODE_BTREE_LOG1_ERR, &btree_ino->runtime_flags); + set_bit(BTRFS_FS_LOG1_ERR, &eb->fs_info->flags); break; case 1: - set_bit(BTRFS_INODE_BTREE_LOG2_ERR, &btree_ino->runtime_flags); + set_bit(BTRFS_FS_LOG2_ERR, &eb->fs_info->flags); break; default: BUG(); /* unexpected, logic error */ @@ -3721,8 +3725,10 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb, struct block_device *bdev = fs_info->fs_devices->latest_bdev; struct extent_io_tree *tree = &BTRFS_I(fs_info->btree_inode)->io_tree; u64 offset = eb->start; + u32 nritems; unsigned long i, num_pages; unsigned long bio_flags = 0; + unsigned long start, end; int write_flags = (epd->sync_io ? WRITE_SYNC : 0) | REQ_META; int ret = 0; @@ -3732,6 +3738,23 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb, if (btrfs_header_owner(eb) == BTRFS_TREE_LOG_OBJECTID) bio_flags = EXTENT_BIO_TREE_LOG; + /* set btree blocks beyond nritems with 0 to avoid stale content. */ + nritems = btrfs_header_nritems(eb); + if (btrfs_header_level(eb) > 0) { + end = btrfs_node_key_ptr_offset(nritems); + + memset_extent_buffer(eb, 0, end, eb->len - end); + } else { + /* + * leaf: + * header 0 1 2 .. N ... data_N .. data_2 data_1 data_0 + */ + start = btrfs_item_nr_offset(nritems); + end = btrfs_leaf_data(eb) + + leaf_data_end(fs_info->tree_root, eb); + memset_extent_buffer(eb, 0, start, end - start); + } + for (i = 0; i < num_pages; i++) { struct page *p = eb->pages[i]; @@ -4487,21 +4510,36 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, flags |= (FIEMAP_EXTENT_DELALLOC | FIEMAP_EXTENT_UNKNOWN); } else if (fieinfo->fi_extents_max) { + struct btrfs_trans_handle *trans; + u64 bytenr = em->block_start - (em->start - em->orig_start); disko = em->block_start + offset_in_extent; /* + * We need a trans handle to get delayed refs + */ + trans = btrfs_join_transaction(root); + /* + * It's OK if we can't start a trans we can still check + * from commit_root + */ + if (IS_ERR(trans)) + trans = NULL; + + /* * As btrfs supports shared space, this information * can be exported to userspace tools via * flag FIEMAP_EXTENT_SHARED. If fi_extents_max == 0 * then we're just getting a count and we can skip the * lookup stuff. */ - ret = btrfs_check_shared(NULL, root->fs_info, + ret = btrfs_check_shared(trans, root->fs_info, root->objectid, btrfs_ino(inode), bytenr); + if (trans) + btrfs_end_transaction(trans, root); if (ret < 0) goto out_free; if (ret) @@ -5173,11 +5211,10 @@ int extent_buffer_uptodate(struct extent_buffer *eb) } int read_extent_buffer_pages(struct extent_io_tree *tree, - struct extent_buffer *eb, u64 start, int wait, + struct extent_buffer *eb, int wait, get_extent_t *get_extent, int mirror_num) { unsigned long i; - unsigned long start_i; struct page *page; int err; int ret = 0; @@ -5191,16 +5228,8 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, if (test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags)) return 0; - if (start) { - WARN_ON(start < eb->start); - start_i = (start >> PAGE_SHIFT) - - (eb->start >> PAGE_SHIFT); - } else { - start_i = 0; - } - num_pages = num_extent_pages(eb->start, eb->len); - for (i = start_i; i < num_pages; i++) { + for (i = 0; i < num_pages; i++) { page = eb->pages[i]; if (wait == WAIT_NONE) { if (!trylock_page(page)) @@ -5209,21 +5238,29 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, lock_page(page); } locked_pages++; + } + /* + * We need to firstly lock all pages to make sure that + * the uptodate bit of our pages won't be affected by + * clear_extent_buffer_uptodate(). + */ + for (i = 0; i < num_pages; i++) { + page = eb->pages[i]; if (!PageUptodate(page)) { num_reads++; all_uptodate = 0; } } + if (all_uptodate) { - if (start_i == 0) - set_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags); + set_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags); goto unlock_exit; } clear_bit(EXTENT_BUFFER_READ_ERR, &eb->bflags); eb->read_mirror = 0; atomic_set(&eb->io_pages, num_reads); - for (i = start_i; i < num_pages; i++) { + for (i = 0; i < num_pages; i++) { page = eb->pages[i]; if (!PageUptodate(page)) { @@ -5264,7 +5301,7 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, if (ret || wait != WAIT_COMPLETE) return ret; - for (i = start_i; i < num_pages; i++) { + for (i = 0; i < num_pages; i++) { page = eb->pages[i]; wait_on_page_locked(page); if (!PageUptodate(page)) @@ -5274,12 +5311,10 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, return ret; unlock_exit: - i = start_i; while (locked_pages > 0) { - page = eb->pages[i]; - i++; - unlock_page(page); locked_pages--; + page = eb->pages[locked_pages]; + unlock_page(page); } return ret; } @@ -5382,8 +5417,7 @@ int map_private_extent_buffer(struct extent_buffer *eb, unsigned long start, } if (start + min_len > eb->len) { - WARN(1, KERN_ERR "btrfs bad mapping eb start %llu len %lu, " - "wanted %lu %lu\n", + WARN(1, KERN_ERR "btrfs bad mapping eb start %llu len %lu, wanted %lu %lu\n", eb->start, eb->len, start, min_len); return -EINVAL; } @@ -5713,14 +5747,14 @@ void memcpy_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset, if (src_offset + len > dst->len) { btrfs_err(dst->fs_info, - "memmove bogus src_offset %lu move " - "len %lu dst len %lu", src_offset, len, dst->len); + "memmove bogus src_offset %lu move len %lu dst len %lu", + src_offset, len, dst->len); BUG_ON(1); } if (dst_offset + len > dst->len) { btrfs_err(dst->fs_info, - "memmove bogus dst_offset %lu move " - "len %lu dst len %lu", dst_offset, len, dst->len); + "memmove bogus dst_offset %lu move len %lu dst len %lu", + dst_offset, len, dst->len); BUG_ON(1); } @@ -5760,13 +5794,15 @@ void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset, unsigned long src_i; if (src_offset + len > dst->len) { - btrfs_err(dst->fs_info, "memmove bogus src_offset %lu move " - "len %lu len %lu", src_offset, len, dst->len); + btrfs_err(dst->fs_info, + "memmove bogus src_offset %lu move len %lu len %lu", + src_offset, len, dst->len); BUG_ON(1); } if (dst_offset + len > dst->len) { - btrfs_err(dst->fs_info, "memmove bogus dst_offset %lu move " - "len %lu len %lu", dst_offset, len, dst->len); + btrfs_err(dst->fs_info, + "memmove bogus dst_offset %lu move len %lu len %lu", + dst_offset, len, dst->len); BUG_ON(1); } if (dst_offset < src_offset) { diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 28cd88fccc7e..4a094f1dc7ef 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -359,7 +359,7 @@ void free_extent_buffer_stale(struct extent_buffer *eb); #define WAIT_COMPLETE 1 #define WAIT_PAGE_LOCK 2 int read_extent_buffer_pages(struct extent_io_tree *tree, - struct extent_buffer *eb, u64 start, int wait, + struct extent_buffer *eb, int wait, get_extent_t *get_extent, int mirror_num); void wait_on_extent_buffer_writeback(struct extent_buffer *eb); @@ -413,7 +413,7 @@ int map_private_extent_buffer(struct extent_buffer *eb, unsigned long offset, void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end); void extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end); void extent_clear_unlock_delalloc(struct inode *inode, u64 start, u64 end, - struct page *locked_page, + u64 delalloc_end, struct page *locked_page, unsigned bits_to_clear, unsigned long page_ops); struct bio * diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 36f4589e349c..3a14c87d9c92 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -503,7 +503,7 @@ int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode, end_of_last_block = start_pos + num_bytes - 1; err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block, - cached); + cached, 0); if (err) return err; @@ -1110,13 +1110,25 @@ again: leaf = path->nodes[0]; btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); - BUG_ON(key.objectid != ino || key.type != BTRFS_EXTENT_DATA_KEY); + if (key.objectid != ino || + key.type != BTRFS_EXTENT_DATA_KEY) { + ret = -EINVAL; + btrfs_abort_transaction(trans, ret); + goto out; + } fi = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item); - BUG_ON(btrfs_file_extent_type(leaf, fi) != - BTRFS_FILE_EXTENT_PREALLOC); + if (btrfs_file_extent_type(leaf, fi) != BTRFS_FILE_EXTENT_PREALLOC) { + ret = -EINVAL; + btrfs_abort_transaction(trans, ret); + goto out; + } extent_end = key.offset + btrfs_file_extent_num_bytes(leaf, fi); - BUG_ON(key.offset > start || extent_end < end); + if (key.offset > start || extent_end < end) { + ret = -EINVAL; + btrfs_abort_transaction(trans, ret); + goto out; + } bytenr = btrfs_file_extent_disk_bytenr(leaf, fi); num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi); @@ -1213,12 +1225,19 @@ again: ret = btrfs_inc_extent_ref(trans, root, bytenr, num_bytes, 0, root->root_key.objectid, ino, orig_offset); - BUG_ON(ret); /* -ENOMEM */ + if (ret) { + btrfs_abort_transaction(trans, ret); + goto out; + } if (split == start) { key.offset = start; } else { - BUG_ON(start != key.offset); + if (start != key.offset) { + ret = -EINVAL; + btrfs_abort_transaction(trans, ret); + goto out; + } path->slots[0]--; extent_end = end; } @@ -1240,7 +1259,10 @@ again: ret = btrfs_free_extent(trans, root, bytenr, num_bytes, 0, root->root_key.objectid, ino, orig_offset); - BUG_ON(ret); /* -ENOMEM */ + if (ret) { + btrfs_abort_transaction(trans, ret); + goto out; + } } other_start = 0; other_end = start; @@ -1257,7 +1279,10 @@ again: ret = btrfs_free_extent(trans, root, bytenr, num_bytes, 0, root->root_key.objectid, ino, orig_offset); - BUG_ON(ret); /* -ENOMEM */ + if (ret) { + btrfs_abort_transaction(trans, ret); + goto out; + } } if (del_nr == 0) { fi = btrfs_item_ptr(leaf, path->slots[0], diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index d571bd2b697b..e4b48f377d3a 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -716,8 +716,7 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode, if (BTRFS_I(inode)->generation != generation) { btrfs_err(root->fs_info, - "free space inode generation (%llu) " - "did not match free space cache generation (%llu)", + "free space inode generation (%llu) did not match free space cache generation (%llu)", BTRFS_I(inode)->generation, generation); return 0; } @@ -879,8 +878,9 @@ int load_free_space_cache(struct btrfs_fs_info *fs_info, if (!matched) { __btrfs_remove_free_space_cache(ctl); - btrfs_warn(fs_info, "block group %llu has wrong amount of free space", - block_group->key.objectid); + btrfs_warn(fs_info, + "block group %llu has wrong amount of free space", + block_group->key.objectid); ret = -1; } out: @@ -891,8 +891,9 @@ out: spin_unlock(&block_group->lock); ret = 0; - btrfs_warn(fs_info, "failed to load free space cache for block group %llu, rebuilding it now", - block_group->key.objectid); + btrfs_warn(fs_info, + "failed to load free space cache for block group %llu, rebuilding it now", + block_group->key.objectid); } iput(inode); @@ -2298,7 +2299,8 @@ static void steal_from_bitmap(struct btrfs_free_space_ctl *ctl, } } -int __btrfs_add_free_space(struct btrfs_free_space_ctl *ctl, +int __btrfs_add_free_space(struct btrfs_fs_info *fs_info, + struct btrfs_free_space_ctl *ctl, u64 offset, u64 bytes) { struct btrfs_free_space *info; @@ -2345,7 +2347,7 @@ out: spin_unlock(&ctl->tree_lock); if (ret) { - printk(KERN_CRIT "BTRFS: unable to add free space :%d\n", ret); + btrfs_crit(fs_info, "unable to add free space :%d", ret); ASSERT(ret != -EEXIST); } @@ -2621,7 +2623,8 @@ out: spin_unlock(&ctl->tree_lock); if (align_gap_len) - __btrfs_add_free_space(ctl, align_gap, align_gap_len); + __btrfs_add_free_space(block_group->fs_info, ctl, + align_gap, align_gap_len); return ret; } diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h index 3af651c2bbc7..363fdd955e5d 100644 --- a/fs/btrfs/free-space-cache.h +++ b/fs/btrfs/free-space-cache.h @@ -89,13 +89,15 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root, struct inode *inode); void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group); -int __btrfs_add_free_space(struct btrfs_free_space_ctl *ctl, +int __btrfs_add_free_space(struct btrfs_fs_info *fs_info, + struct btrfs_free_space_ctl *ctl, u64 bytenr, u64 size); static inline int btrfs_add_free_space(struct btrfs_block_group_cache *block_group, u64 bytenr, u64 size) { - return __btrfs_add_free_space(block_group->free_space_ctl, + return __btrfs_add_free_space(block_group->fs_info, + block_group->free_space_ctl, bytenr, size); } int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c index 87e7e3d3e676..e4a42a8e4f84 100644 --- a/fs/btrfs/free-space-tree.c +++ b/fs/btrfs/free-space-tree.c @@ -107,7 +107,7 @@ search_free_space_info(struct btrfs_trans_handle *trans, if (ret < 0) return ERR_PTR(ret); if (ret != 0) { - btrfs_warn(fs_info, "missing free space info for %llu\n", + btrfs_warn(fs_info, "missing free space info for %llu", block_group->key.objectid); ASSERT(0); return ERR_PTR(-ENOENT); @@ -261,7 +261,8 @@ int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans, btrfs_release_path(path); if (extent_count != expected_extent_count) { - btrfs_err(fs_info, "incorrect extent count for %llu; counted %u, expected %u", + btrfs_err(fs_info, + "incorrect extent count for %llu; counted %u, expected %u", block_group->key.objectid, extent_count, expected_extent_count); ASSERT(0); @@ -442,7 +443,8 @@ int convert_free_space_to_extents(struct btrfs_trans_handle *trans, } if (extent_count != expected_extent_count) { - btrfs_err(fs_info, "incorrect extent count for %llu; counted %u, expected %u", + btrfs_err(fs_info, + "incorrect extent count for %llu; counted %u, expected %u", block_group->key.objectid, extent_count, expected_extent_count); ASSERT(0); @@ -1163,7 +1165,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info) if (IS_ERR(trans)) return PTR_ERR(trans); - fs_info->creating_free_space_tree = 1; + set_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &fs_info->flags); free_space_root = btrfs_create_tree(trans, fs_info, BTRFS_FREE_SPACE_TREE_OBJECTID); if (IS_ERR(free_space_root)) { @@ -1183,7 +1185,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info) } btrfs_set_fs_compat_ro(fs_info, FREE_SPACE_TREE); - fs_info->creating_free_space_tree = 0; + clear_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &fs_info->flags); ret = btrfs_commit_transaction(trans, tree_root); if (ret) @@ -1192,7 +1194,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info) return 0; abort: - fs_info->creating_free_space_tree = 0; + clear_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &fs_info->flags); btrfs_abort_transaction(trans, ret); btrfs_end_transaction(trans, tree_root); return ret; @@ -1480,7 +1482,8 @@ static int load_free_space_bitmaps(struct btrfs_caching_control *caching_ctl, } if (extent_count != expected_extent_count) { - btrfs_err(fs_info, "incorrect extent count for %llu; counted %u, expected %u", + btrfs_err(fs_info, + "incorrect extent count for %llu; counted %u, expected %u", block_group->key.objectid, extent_count, expected_extent_count); ASSERT(0); @@ -1542,7 +1545,8 @@ static int load_free_space_extents(struct btrfs_caching_control *caching_ctl, } if (extent_count != expected_extent_count) { - btrfs_err(fs_info, "incorrect extent count for %llu; counted %u, expected %u", + btrfs_err(fs_info, + "incorrect extent count for %llu; counted %u, expected %u", block_group->key.objectid, extent_count, expected_extent_count); ASSERT(0); diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index 359ee861b5a4..d27014b8bf72 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -104,7 +104,7 @@ again: break; if (last != (u64)-1 && last + 1 != key.objectid) { - __btrfs_add_free_space(ctl, last + 1, + __btrfs_add_free_space(fs_info, ctl, last + 1, key.objectid - last - 1); wake_up(&root->ino_cache_wait); } @@ -115,7 +115,7 @@ next: } if (last < root->highest_objectid - 1) { - __btrfs_add_free_space(ctl, last + 1, + __btrfs_add_free_space(fs_info, ctl, last + 1, root->highest_objectid - last - 1); } @@ -136,12 +136,13 @@ out: static void start_caching(struct btrfs_root *root) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_free_space_ctl *ctl = root->free_ino_ctl; struct task_struct *tsk; int ret; u64 objectid; - if (!btrfs_test_opt(root->fs_info, INODE_MAP_CACHE)) + if (!btrfs_test_opt(fs_info, INODE_MAP_CACHE)) return; spin_lock(&root->ino_cache_lock); @@ -153,7 +154,7 @@ static void start_caching(struct btrfs_root *root) root->ino_cache_state = BTRFS_CACHE_STARTED; spin_unlock(&root->ino_cache_lock); - ret = load_free_ino_cache(root->fs_info, root); + ret = load_free_ino_cache(fs_info, root); if (ret == 1) { spin_lock(&root->ino_cache_lock); root->ino_cache_state = BTRFS_CACHE_FINISHED; @@ -170,15 +171,15 @@ static void start_caching(struct btrfs_root *root) */ ret = btrfs_find_free_objectid(root, &objectid); if (!ret && objectid <= BTRFS_LAST_FREE_OBJECTID) { - __btrfs_add_free_space(ctl, objectid, + __btrfs_add_free_space(fs_info, ctl, objectid, BTRFS_LAST_FREE_OBJECTID - objectid + 1); } tsk = kthread_run(caching_kthread, root, "btrfs-ino-cache-%llu", root->root_key.objectid); if (IS_ERR(tsk)) { - btrfs_warn(root->fs_info, "failed to start inode caching task"); - btrfs_clear_pending_and_info(root->fs_info, INODE_MAP_CACHE, + btrfs_warn(fs_info, "failed to start inode caching task"); + btrfs_clear_pending_and_info(fs_info, INODE_MAP_CACHE, "disabling inode map caching"); } } @@ -209,28 +210,29 @@ again: void btrfs_return_ino(struct btrfs_root *root, u64 objectid) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_free_space_ctl *pinned = root->free_ino_pinned; - if (!btrfs_test_opt(root->fs_info, INODE_MAP_CACHE)) + if (!btrfs_test_opt(fs_info, INODE_MAP_CACHE)) return; again: if (root->ino_cache_state == BTRFS_CACHE_FINISHED) { - __btrfs_add_free_space(pinned, objectid, 1); + __btrfs_add_free_space(fs_info, pinned, objectid, 1); } else { - down_write(&root->fs_info->commit_root_sem); + down_write(&fs_info->commit_root_sem); spin_lock(&root->ino_cache_lock); if (root->ino_cache_state == BTRFS_CACHE_FINISHED) { spin_unlock(&root->ino_cache_lock); - up_write(&root->fs_info->commit_root_sem); + up_write(&fs_info->commit_root_sem); goto again; } spin_unlock(&root->ino_cache_lock); start_caching(root); - __btrfs_add_free_space(pinned, objectid, 1); + __btrfs_add_free_space(fs_info, pinned, objectid, 1); - up_write(&root->fs_info->commit_root_sem); + up_write(&fs_info->commit_root_sem); } } @@ -277,7 +279,8 @@ void btrfs_unpin_free_ino(struct btrfs_root *root) rb_erase(&info->offset_index, rbroot); spin_unlock(rbroot_lock); if (add_to_ctl) - __btrfs_add_free_space(ctl, info->offset, count); + __btrfs_add_free_space(root->fs_info, ctl, + info->offset, count); kmem_cache_free(btrfs_free_space_cachep, info); } } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 22a7ca43c7cd..2b790bda7998 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -560,8 +560,9 @@ cont: * we don't need to create any more async work items. * Unlock and free up our temp pages. */ - extent_clear_unlock_delalloc(inode, start, end, NULL, - clear_flags, PAGE_UNLOCK | + extent_clear_unlock_delalloc(inode, start, end, end, + NULL, clear_flags, + PAGE_UNLOCK | PAGE_CLEAR_DIRTY | PAGE_SET_WRITEBACK | page_error_op | @@ -837,6 +838,8 @@ retry: extent_clear_unlock_delalloc(inode, async_extent->start, async_extent->start + async_extent->ram_size - 1, + async_extent->start + + async_extent->ram_size - 1, NULL, EXTENT_LOCKED | EXTENT_DELALLOC, PAGE_UNLOCK | PAGE_CLEAR_DIRTY | PAGE_SET_WRITEBACK); @@ -856,7 +859,8 @@ retry: tree->ops->writepage_end_io_hook(p, start, end, NULL, 0); p->mapping = NULL; - extent_clear_unlock_delalloc(inode, start, end, NULL, 0, + extent_clear_unlock_delalloc(inode, start, end, end, + NULL, 0, PAGE_END_WRITEBACK | PAGE_SET_ERROR); free_async_extent_pages(async_extent); @@ -873,6 +877,8 @@ out_free: extent_clear_unlock_delalloc(inode, async_extent->start, async_extent->start + async_extent->ram_size - 1, + async_extent->start + + async_extent->ram_size - 1, NULL, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DEFRAG | EXTENT_DO_ACCOUNTING, PAGE_UNLOCK | PAGE_CLEAR_DIRTY | @@ -966,7 +972,8 @@ static noinline int cow_file_range(struct inode *inode, ret = cow_file_range_inline(root, inode, start, end, 0, 0, NULL); if (ret == 0) { - extent_clear_unlock_delalloc(inode, start, end, NULL, + extent_clear_unlock_delalloc(inode, start, end, + delalloc_end, NULL, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DEFRAG, PAGE_UNLOCK | PAGE_CLEAR_DIRTY | PAGE_SET_WRITEBACK | @@ -1062,7 +1069,8 @@ static noinline int cow_file_range(struct inode *inode, op |= PAGE_SET_PRIVATE2; extent_clear_unlock_delalloc(inode, start, - start + ram_size - 1, locked_page, + start + ram_size - 1, + delalloc_end, locked_page, EXTENT_LOCKED | EXTENT_DELALLOC, op); disk_num_bytes -= cur_alloc_size; @@ -1079,7 +1087,8 @@ out_reserve: btrfs_dec_block_group_reservations(root->fs_info, ins.objectid); btrfs_free_reserved_extent(root, ins.objectid, ins.offset, 1); out_unlock: - extent_clear_unlock_delalloc(inode, start, end, locked_page, + extent_clear_unlock_delalloc(inode, start, end, delalloc_end, + locked_page, EXTENT_LOCKED | EXTENT_DO_ACCOUNTING | EXTENT_DELALLOC | EXTENT_DEFRAG, PAGE_UNLOCK | PAGE_CLEAR_DIRTY | @@ -1258,7 +1267,8 @@ static noinline int run_delalloc_nocow(struct inode *inode, path = btrfs_alloc_path(); if (!path) { - extent_clear_unlock_delalloc(inode, start, end, locked_page, + extent_clear_unlock_delalloc(inode, start, end, end, + locked_page, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG, PAGE_UNLOCK | @@ -1276,7 +1286,8 @@ static noinline int run_delalloc_nocow(struct inode *inode, trans = btrfs_join_transaction(root); if (IS_ERR(trans)) { - extent_clear_unlock_delalloc(inode, start, end, locked_page, + extent_clear_unlock_delalloc(inode, start, end, end, + locked_page, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG, PAGE_UNLOCK | @@ -1490,7 +1501,7 @@ out_check: } extent_clear_unlock_delalloc(inode, cur_offset, - cur_offset + num_bytes - 1, + cur_offset + num_bytes - 1, end, locked_page, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_CLEAR_DATA_RESV, @@ -1522,7 +1533,7 @@ error: ret = err; if (ret && cur_offset < end) - extent_clear_unlock_delalloc(inode, cur_offset, end, + extent_clear_unlock_delalloc(inode, cur_offset, end, end, locked_page, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DEFRAG | EXTENT_DO_ACCOUNTING, PAGE_UNLOCK | @@ -1988,7 +1999,7 @@ static noinline int add_pending_csums(struct btrfs_trans_handle *trans, } int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end, - struct extent_state **cached_state) + struct extent_state **cached_state, int dedupe) { WARN_ON((end & (PAGE_SIZE - 1)) == 0); return set_extent_delalloc(&BTRFS_I(inode)->io_tree, start, end, @@ -2052,7 +2063,8 @@ again: goto out; } - btrfs_set_extent_delalloc(inode, page_start, page_end, &cached_state); + btrfs_set_extent_delalloc(inode, page_start, page_end, &cached_state, + 0); ClearPageChecked(page); set_page_dirty(page); out: @@ -2309,7 +2321,7 @@ static noinline int record_one_backref(u64 inum, u64 offset, u64 root_id, if (PTR_ERR(root) == -ENOENT) return 0; WARN_ON(1); - pr_debug("inum=%llu, offset=%llu, root_id=%llu\n", + btrfs_debug(fs_info, "inum=%llu, offset=%llu, root_id=%llu", inum, offset, root_id); return PTR_ERR(root); } @@ -3936,7 +3948,7 @@ noinline int btrfs_update_inode(struct btrfs_trans_handle *trans, */ if (!btrfs_is_free_space_inode(inode) && root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID - && !root->fs_info->log_root_recovering) { + && !test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags)) { btrfs_update_root_times(trans, root); ret = btrfs_delayed_update_inode(trans, root, inode); @@ -4757,7 +4769,7 @@ again: 0, 0, &cached_state, GFP_NOFS); ret = btrfs_set_extent_delalloc(inode, block_start, block_end, - &cached_state); + &cached_state, 0); if (ret) { unlock_extent_cached(io_tree, block_start, block_end, &cached_state, GFP_NOFS); @@ -5223,7 +5235,7 @@ void btrfs_evict_inode(struct inode *inode) btrfs_free_io_failure_record(inode, 0, (u64)-1); - if (root->fs_info->log_root_recovering) { + if (test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags)) { BUG_ON(test_bit(BTRFS_INODE_HAS_ORPHAN_ITEM, &BTRFS_I(inode)->runtime_flags)); goto no_delete; @@ -7012,8 +7024,9 @@ not_found_em: insert: btrfs_release_path(path); if (em->start > start || extent_map_end(em) <= start) { - btrfs_err(root->fs_info, "bad extent! em: [%llu %llu] passed [%llu %llu]", - em->start, em->len, start, len); + btrfs_err(root->fs_info, + "bad extent! em: [%llu %llu] passed [%llu %llu]", + em->start, em->len, start, len); err = -EIO; goto out; } @@ -7865,18 +7878,19 @@ static int btrfs_check_dio_repairable(struct inode *inode, struct io_failure_record *failrec, int failed_mirror) { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); int num_copies; - num_copies = btrfs_num_copies(BTRFS_I(inode)->root->fs_info, - failrec->logical, failrec->len); + num_copies = btrfs_num_copies(fs_info, failrec->logical, failrec->len); if (num_copies == 1) { /* * we only have a single copy of the data, so don't bother with * all the retry and error correction code that follows. no * matter what the error is, it is very likely to persist. */ - pr_debug("Check DIO Repairable: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d\n", - num_copies, failrec->this_mirror, failed_mirror); + btrfs_debug(fs_info, + "Check DIO Repairable: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d", + num_copies, failrec->this_mirror, failed_mirror); return 0; } @@ -7886,8 +7900,9 @@ static int btrfs_check_dio_repairable(struct inode *inode, failrec->this_mirror++; if (failrec->this_mirror > num_copies) { - pr_debug("Check DIO Repairable: (fail) num_copies=%d, next_mirror %d, failed_mirror %d\n", - num_copies, failrec->this_mirror, failed_mirror); + btrfs_debug(fs_info, + "Check DIO Repairable: (fail) num_copies=%d, next_mirror %d, failed_mirror %d", + num_copies, failrec->this_mirror, failed_mirror); return 0; } @@ -9055,7 +9070,7 @@ again: 0, 0, &cached_state, GFP_NOFS); ret = btrfs_set_extent_delalloc(inode, page_start, end, - &cached_state); + &cached_state, 0); if (ret) { unlock_extent_cached(io_tree, page_start, page_end, &cached_state, GFP_NOFS); @@ -9377,8 +9392,9 @@ void btrfs_destroy_inode(struct inode *inode) if (!ordered) break; else { - btrfs_err(root->fs_info, "found ordered extent %llu %llu on inode cleanup", - ordered->file_offset, ordered->len); + btrfs_err(root->fs_info, + "found ordered extent %llu %llu on inode cleanup", + ordered->file_offset, ordered->len); btrfs_remove_ordered_extent(inode, ordered); btrfs_put_ordered_extent(ordered); btrfs_put_ordered_extent(ordered); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index b182197f7091..18e1aa0f85f5 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1903,8 +1903,9 @@ static noinline int may_destroy_subvol(struct btrfs_root *root) btrfs_dir_item_key_to_cpu(path->nodes[0], di, &key); if (key.objectid == root->root_key.objectid) { ret = -EPERM; - btrfs_err(root->fs_info, "deleting default subvolume " - "%llu is not allowed", key.objectid); + btrfs_err(root->fs_info, + "deleting default subvolume %llu is not allowed", + key.objectid); goto out; } btrfs_release_path(path); @@ -4097,8 +4098,8 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp) if (IS_ERR_OR_NULL(di)) { btrfs_free_path(path); btrfs_end_transaction(trans, root); - btrfs_err(new_root->fs_info, "Umm, you don't have the default dir" - "item, this isn't going to work"); + btrfs_err(new_root->fs_info, + "Umm, you don't have the default diritem, this isn't going to work"); ret = -ENOENT; goto out; } @@ -5307,8 +5308,9 @@ static int btrfs_ioctl_set_fslabel(struct file *file, void __user *arg) return -EFAULT; if (strnlen(label, BTRFS_LABEL_SIZE) == BTRFS_LABEL_SIZE) { - btrfs_err(root->fs_info, "unable to set label with more than %d bytes", - BTRFS_LABEL_SIZE - 1); + btrfs_err(root->fs_info, + "unable to set label with more than %d bytes", + BTRFS_LABEL_SIZE - 1); return -EINVAL; } diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c index 1adfbe7be6b8..48655da0f4ca 100644 --- a/fs/btrfs/lzo.c +++ b/fs/btrfs/lzo.c @@ -141,7 +141,7 @@ static int lzo_compress_pages(struct list_head *ws, ret = lzo1x_1_compress(data_in, in_len, workspace->cbuf, &out_len, workspace->mem); if (ret != LZO_E_OK) { - printk(KERN_DEBUG "BTRFS: deflate in loop returned %d\n", + pr_debug("BTRFS: deflate in loop returned %d\n", ret); ret = -EIO; goto out; @@ -356,7 +356,7 @@ cont: if (need_unmap) kunmap(pages_in[page_in_index - 1]); if (ret != LZO_E_OK) { - printk(KERN_WARNING "BTRFS: decompress failed\n"); + pr_warn("BTRFS: decompress failed\n"); ret = -EIO; break; } @@ -402,7 +402,7 @@ static int lzo_decompress(struct list_head *ws, unsigned char *data_in, out_len = PAGE_SIZE; ret = lzo1x_decompress_safe(data_in, in_len, workspace->buf, &out_len); if (ret != LZO_E_OK) { - printk(KERN_WARNING "BTRFS: decompress failed!\n"); + pr_warn("BTRFS: decompress failed!\n"); ret = -EIO; goto out; } diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 3b78d38173b3..b2d1e95de7be 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -67,8 +67,8 @@ static void ordered_data_tree_panic(struct inode *inode, int errno, u64 offset) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - btrfs_panic(fs_info, errno, "Inconsistency in ordered tree at offset " - "%llu", offset); + btrfs_panic(fs_info, errno, + "Inconsistency in ordered tree at offset %llu", offset); } /* diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c index 147dc6ca5de1..438575ea8d25 100644 --- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -24,12 +24,11 @@ static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) { int num_stripes = btrfs_chunk_num_stripes(eb, chunk); int i; - printk(KERN_INFO "\t\tchunk length %llu owner %llu type %llu " - "num_stripes %d\n", + pr_info("\t\tchunk length %llu owner %llu type %llu num_stripes %d\n", btrfs_chunk_length(eb, chunk), btrfs_chunk_owner(eb, chunk), btrfs_chunk_type(eb, chunk), num_stripes); for (i = 0 ; i < num_stripes ; i++) { - printk(KERN_INFO "\t\t\tstripe %d devid %llu offset %llu\n", i, + pr_info("\t\t\tstripe %d devid %llu offset %llu\n", i, btrfs_stripe_devid_nr(eb, chunk, i), btrfs_stripe_offset_nr(eb, chunk, i)); } @@ -37,8 +36,7 @@ static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) static void print_dev_item(struct extent_buffer *eb, struct btrfs_dev_item *dev_item) { - printk(KERN_INFO "\t\tdev item devid %llu " - "total_bytes %llu bytes used %llu\n", + pr_info("\t\tdev item devid %llu total_bytes %llu bytes used %llu\n", btrfs_device_id(eb, dev_item), btrfs_device_total_bytes(eb, dev_item), btrfs_device_bytes_used(eb, dev_item)); @@ -46,8 +44,7 @@ static void print_dev_item(struct extent_buffer *eb, static void print_extent_data_ref(struct extent_buffer *eb, struct btrfs_extent_data_ref *ref) { - printk(KERN_INFO "\t\textent data backref root %llu " - "objectid %llu offset %llu count %u\n", + pr_info("\t\textent data backref root %llu objectid %llu offset %llu count %u\n", btrfs_extent_data_ref_root(eb, ref), btrfs_extent_data_ref_objectid(eb, ref), btrfs_extent_data_ref_offset(eb, ref), @@ -72,7 +69,7 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) struct btrfs_extent_item_v0 *ei0; BUG_ON(item_size != sizeof(*ei0)); ei0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_item_v0); - printk(KERN_INFO "\t\textent refs %u\n", + pr_info("\t\textent refs %u\n", btrfs_extent_refs_v0(eb, ei0)); return; #else @@ -83,7 +80,7 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) ei = btrfs_item_ptr(eb, slot, struct btrfs_extent_item); flags = btrfs_extent_flags(eb, ei); - printk(KERN_INFO "\t\textent refs %llu gen %llu flags %llu\n", + pr_info("\t\textent refs %llu gen %llu flags %llu\n", btrfs_extent_refs(eb, ei), btrfs_extent_generation(eb, ei), flags); @@ -92,8 +89,7 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) struct btrfs_tree_block_info *info; info = (struct btrfs_tree_block_info *)(ei + 1); btrfs_tree_block_key(eb, info, &key); - printk(KERN_INFO "\t\ttree block key (%llu %u %llu) " - "level %d\n", + pr_info("\t\ttree block key (%llu %u %llu) level %d\n", btrfs_disk_key_objectid(&key), key.type, btrfs_disk_key_offset(&key), btrfs_tree_block_level(eb, info)); @@ -110,12 +106,10 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) offset = btrfs_extent_inline_ref_offset(eb, iref); switch (type) { case BTRFS_TREE_BLOCK_REF_KEY: - printk(KERN_INFO "\t\ttree block backref " - "root %llu\n", offset); + pr_info("\t\ttree block backref root %llu\n", offset); break; case BTRFS_SHARED_BLOCK_REF_KEY: - printk(KERN_INFO "\t\tshared block backref " - "parent %llu\n", offset); + pr_info("\t\tshared block backref parent %llu\n", offset); break; case BTRFS_EXTENT_DATA_REF_KEY: dref = (struct btrfs_extent_data_ref *)(&iref->offset); @@ -123,8 +117,7 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) break; case BTRFS_SHARED_DATA_REF_KEY: sref = (struct btrfs_shared_data_ref *)(iref + 1); - printk(KERN_INFO "\t\tshared data backref " - "parent %llu count %u\n", + pr_info("\t\tshared data backref parent %llu count %u\n", offset, btrfs_shared_data_ref_count(eb, sref)); break; default: @@ -141,8 +134,7 @@ static void print_extent_ref_v0(struct extent_buffer *eb, int slot) struct btrfs_extent_ref_v0 *ref0; ref0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_ref_v0); - printk("\t\textent back ref root %llu gen %llu " - "owner %llu num_refs %lu\n", + printk("\t\textent back ref root %llu gen %llu owner %llu num_refs %lu\n", btrfs_ref_root_v0(eb, ref0), btrfs_ref_generation_v0(eb, ref0), btrfs_ref_objectid_v0(eb, ref0), @@ -162,7 +154,7 @@ static void print_uuid_item(struct extent_buffer *l, unsigned long offset, __le64 subvol_id; read_extent_buffer(l, &subvol_id, offset, sizeof(subvol_id)); - printk(KERN_INFO "\t\tsubvol_id %llu\n", + pr_info("\t\tsubvol_id %llu\n", (unsigned long long)le64_to_cpu(subvol_id)); item_size -= sizeof(u64); offset += sizeof(u64); @@ -196,15 +188,13 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) item = btrfs_item_nr(i); btrfs_item_key_to_cpu(l, &key, i); type = key.type; - printk(KERN_INFO "\titem %d key (%llu %u %llu) itemoff %d " - "itemsize %d\n", + pr_info("\titem %d key (%llu %u %llu) itemoff %d itemsize %d\n", i, key.objectid, type, key.offset, btrfs_item_offset(l, item), btrfs_item_size(l, item)); switch (type) { case BTRFS_INODE_ITEM_KEY: ii = btrfs_item_ptr(l, i, struct btrfs_inode_item); - printk(KERN_INFO "\t\tinode generation %llu size %llu " - "mode %o\n", + pr_info("\t\tinode generation %llu size %llu mode %o\n", btrfs_inode_generation(l, ii), btrfs_inode_size(l, ii), btrfs_inode_mode(l, ii)); @@ -212,13 +202,13 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) case BTRFS_DIR_ITEM_KEY: di = btrfs_item_ptr(l, i, struct btrfs_dir_item); btrfs_dir_item_key_to_cpu(l, di, &found_key); - printk(KERN_INFO "\t\tdir oid %llu type %u\n", + pr_info("\t\tdir oid %llu type %u\n", found_key.objectid, btrfs_dir_type(l, di)); break; case BTRFS_ROOT_ITEM_KEY: ri = btrfs_item_ptr(l, i, struct btrfs_root_item); - printk(KERN_INFO "\t\troot data bytenr %llu refs %u\n", + pr_info("\t\troot data bytenr %llu refs %u\n", btrfs_disk_root_bytenr(l, ri), btrfs_disk_root_refs(l, ri)); break; @@ -227,10 +217,10 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) print_extent_item(l, i, type); break; case BTRFS_TREE_BLOCK_REF_KEY: - printk(KERN_INFO "\t\ttree block backref\n"); + pr_info("\t\ttree block backref\n"); break; case BTRFS_SHARED_BLOCK_REF_KEY: - printk(KERN_INFO "\t\tshared block backref\n"); + pr_info("\t\tshared block backref\n"); break; case BTRFS_EXTENT_DATA_REF_KEY: dref = btrfs_item_ptr(l, i, @@ -240,7 +230,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) case BTRFS_SHARED_DATA_REF_KEY: sref = btrfs_item_ptr(l, i, struct btrfs_shared_data_ref); - printk(KERN_INFO "\t\tshared data backref count %u\n", + pr_info("\t\tshared data backref count %u\n", btrfs_shared_data_ref_count(l, sref)); break; case BTRFS_EXTENT_DATA_KEY: @@ -248,17 +238,14 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) struct btrfs_file_extent_item); if (btrfs_file_extent_type(l, fi) == BTRFS_FILE_EXTENT_INLINE) { - printk(KERN_INFO "\t\tinline extent data " - "size %u\n", + pr_info("\t\tinline extent data size %u\n", btrfs_file_extent_inline_len(l, i, fi)); break; } - printk(KERN_INFO "\t\textent data disk bytenr %llu " - "nr %llu\n", + pr_info("\t\textent data disk bytenr %llu nr %llu\n", btrfs_file_extent_disk_bytenr(l, fi), btrfs_file_extent_disk_num_bytes(l, fi)); - printk(KERN_INFO "\t\textent data offset %llu " - "nr %llu ram %llu\n", + pr_info("\t\textent data offset %llu nr %llu ram %llu\n", btrfs_file_extent_offset(l, fi), btrfs_file_extent_num_bytes(l, fi), btrfs_file_extent_ram_bytes(l, fi)); @@ -273,7 +260,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) case BTRFS_BLOCK_GROUP_ITEM_KEY: bi = btrfs_item_ptr(l, i, struct btrfs_block_group_item); - printk(KERN_INFO "\t\tblock group used %llu\n", + pr_info("\t\tblock group used %llu\n", btrfs_disk_block_group_used(l, bi)); break; case BTRFS_CHUNK_ITEM_KEY: @@ -287,38 +274,36 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) case BTRFS_DEV_EXTENT_KEY: dev_extent = btrfs_item_ptr(l, i, struct btrfs_dev_extent); - printk(KERN_INFO "\t\tdev extent chunk_tree %llu\n" - "\t\tchunk objectid %llu chunk offset %llu " - "length %llu\n", + pr_info("\t\tdev extent chunk_tree %llu\n\t\tchunk objectid %llu chunk offset %llu length %llu\n", btrfs_dev_extent_chunk_tree(l, dev_extent), btrfs_dev_extent_chunk_objectid(l, dev_extent), btrfs_dev_extent_chunk_offset(l, dev_extent), btrfs_dev_extent_length(l, dev_extent)); break; case BTRFS_PERSISTENT_ITEM_KEY: - printk(KERN_INFO "\t\tpersistent item objectid %llu offset %llu\n", + pr_info("\t\tpersistent item objectid %llu offset %llu\n", key.objectid, key.offset); switch (key.objectid) { case BTRFS_DEV_STATS_OBJECTID: - printk(KERN_INFO "\t\tdevice stats\n"); + pr_info("\t\tdevice stats\n"); break; default: - printk(KERN_INFO "\t\tunknown persistent item\n"); + pr_info("\t\tunknown persistent item\n"); } break; case BTRFS_TEMPORARY_ITEM_KEY: - printk(KERN_INFO "\t\ttemporary item objectid %llu offset %llu\n", + pr_info("\t\ttemporary item objectid %llu offset %llu\n", key.objectid, key.offset); switch (key.objectid) { case BTRFS_BALANCE_OBJECTID: - printk(KERN_INFO "\t\tbalance status\n"); + pr_info("\t\tbalance status\n"); break; default: - printk(KERN_INFO "\t\tunknown temporary item\n"); + pr_info("\t\tunknown temporary item\n"); } break; case BTRFS_DEV_REPLACE_KEY: - printk(KERN_INFO "\t\tdev replace\n"); + pr_info("\t\tdev replace\n"); break; case BTRFS_UUID_KEY_SUBVOL: case BTRFS_UUID_KEY_RECEIVED_SUBVOL: @@ -343,12 +328,13 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c) btrfs_print_leaf(root, c); return; } - btrfs_info(root->fs_info, "node %llu level %d total ptrs %d free spc %u", - btrfs_header_bytenr(c), level, nr, - (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr); + btrfs_info(root->fs_info, + "node %llu level %d total ptrs %d free spc %u", + btrfs_header_bytenr(c), level, nr, + (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr); for (i = 0; i < nr; i++) { btrfs_node_key_to_cpu(c, &key, i); - printk(KERN_INFO "\tkey %d (%llu %u %llu) block %llu\n", + pr_info("\tkey %d (%llu %u %llu) block %llu\n", i, key.objectid, key.type, key.offset, btrfs_node_blockptr(c, i)); } @@ -356,6 +342,13 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c) struct extent_buffer *next = read_tree_block(root, btrfs_node_blockptr(c, i), btrfs_node_ptr_generation(c, i)); + if (IS_ERR(next)) { + continue; + } else if (!extent_buffer_uptodate(next)) { + free_extent_buffer(next); + continue; + } + if (btrfs_is_leaf(next) && level != 1) BUG(); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 8db2e29fdcf4..11f4fffe503e 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -309,7 +309,7 @@ int btrfs_read_qgroup_config(struct btrfs_fs_info *fs_info) u64 flags = 0; u64 rescan_progress = 0; - if (!fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) return 0; fs_info->qgroup_ulist = ulist_alloc(GFP_NOFS); @@ -360,8 +360,7 @@ int btrfs_read_qgroup_config(struct btrfs_fs_info *fs_info) fs_info->generation) { flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT; btrfs_err(fs_info, - "qgroup generation mismatch, " - "marked as inconsistent"); + "qgroup generation mismatch, marked as inconsistent"); } fs_info->qgroup_flags = btrfs_qgroup_status_flags(l, ptr); @@ -463,13 +462,11 @@ next2: } out: fs_info->qgroup_flags |= flags; - if (!(fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_ON)) { - fs_info->quota_enabled = 0; - fs_info->pending_quota_state = 0; - } else if (fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN && - ret >= 0) { + if (!(fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_ON)) + clear_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); + else if (fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN && + ret >= 0) ret = qgroup_rescan_init(fs_info, rescan_progress, 0); - } btrfs_free_path(path); if (ret < 0) { @@ -847,7 +844,7 @@ static int btrfs_clean_quota_tree(struct btrfs_trans_handle *trans, } ret = 0; out: - root->fs_info->pending_quota_state = 0; + set_bit(BTRFS_FS_QUOTA_DISABLING, &root->fs_info->flags); btrfs_free_path(path); return ret; } @@ -868,7 +865,7 @@ int btrfs_quota_enable(struct btrfs_trans_handle *trans, mutex_lock(&fs_info->qgroup_ioctl_lock); if (fs_info->quota_root) { - fs_info->pending_quota_state = 1; + set_bit(BTRFS_FS_QUOTA_ENABLING, &fs_info->flags); goto out; } @@ -964,7 +961,7 @@ out_add_root: } spin_lock(&fs_info->qgroup_lock); fs_info->quota_root = quota_root; - fs_info->pending_quota_state = 1; + set_bit(BTRFS_FS_QUOTA_ENABLING, &fs_info->flags); spin_unlock(&fs_info->qgroup_lock); out_free_path: btrfs_free_path(path); @@ -993,8 +990,8 @@ int btrfs_quota_disable(struct btrfs_trans_handle *trans, mutex_lock(&fs_info->qgroup_ioctl_lock); if (!fs_info->quota_root) goto out; - fs_info->quota_enabled = 0; - fs_info->pending_quota_state = 0; + clear_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); + set_bit(BTRFS_FS_QUOTA_DISABLING, &fs_info->flags); btrfs_qgroup_wait_for_completion(fs_info, false); spin_lock(&fs_info->qgroup_lock); quota_root = fs_info->quota_root; @@ -1490,7 +1487,8 @@ int btrfs_qgroup_insert_dirty_extent(struct btrfs_trans_handle *trans, struct btrfs_delayed_ref_root *delayed_refs; int ret; - if (!fs_info->quota_enabled || bytenr == 0 || num_bytes == 0) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) + || bytenr == 0 || num_bytes == 0) return 0; if (WARN_ON(trans == NULL)) return -EINVAL; @@ -1713,7 +1711,7 @@ btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans, if (old_roots) nr_old_roots = old_roots->nnodes; - if (!fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) goto out_free; BUG_ON(!fs_info->quota_root); @@ -1833,10 +1831,14 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans, if (!quota_root) goto out; - if (!fs_info->quota_enabled && fs_info->pending_quota_state) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) && + test_bit(BTRFS_FS_QUOTA_ENABLING, &fs_info->flags)) start_rescan_worker = 1; - fs_info->quota_enabled = fs_info->pending_quota_state; + if (test_and_clear_bit(BTRFS_FS_QUOTA_ENABLING, &fs_info->flags)) + set_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); + if (test_and_clear_bit(BTRFS_FS_QUOTA_DISABLING, &fs_info->flags)) + clear_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); spin_lock(&fs_info->qgroup_lock); while (!list_empty(&fs_info->dirty_qgroups)) { @@ -1855,7 +1857,7 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans, BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT; spin_lock(&fs_info->qgroup_lock); } - if (fs_info->quota_enabled) + if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_ON; else fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_ON; @@ -1900,7 +1902,7 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, u64 nums; mutex_lock(&fs_info->qgroup_ioctl_lock); - if (!fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) goto out; if (!quota_root) { @@ -1991,8 +1993,9 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, ret = update_qgroup_limit_item(trans, quota_root, dstgroup); if (ret) { fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT; - btrfs_info(fs_info, "unable to update quota limit for %llu", - dstgroup->qgroupid); + btrfs_info(fs_info, + "unable to update quota limit for %llu", + dstgroup->qgroupid); goto unlock; } } @@ -2226,8 +2229,7 @@ void assert_qgroups_uptodate(struct btrfs_trans_handle *trans) if (list_empty(&trans->qgroup_ref_list) && !trans->delayed_ref_elem.seq) return; btrfs_err(trans->fs_info, - "qgroups not uptodate in trans handle %p: list is%s empty, " - "seq is %#x.%x", + "qgroups not uptodate in trans handle %p: list is%s empty, seq is %#x.%x", trans, list_empty(&trans->qgroup_ref_list) ? "" : " not", (u32)(trans->delayed_ref_elem.seq >> 32), (u32)trans->delayed_ref_elem.seq); @@ -2255,10 +2257,11 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path, &fs_info->qgroup_rescan_progress, path, 1, 0); - pr_debug("current progress key (%llu %u %llu), search_slot ret %d\n", - fs_info->qgroup_rescan_progress.objectid, - fs_info->qgroup_rescan_progress.type, - fs_info->qgroup_rescan_progress.offset, ret); + btrfs_debug(fs_info, + "current progress key (%llu %u %llu), search_slot ret %d", + fs_info->qgroup_rescan_progress.objectid, + fs_info->qgroup_rescan_progress.type, + fs_info->qgroup_rescan_progress.offset, ret); if (ret) { /* @@ -2347,7 +2350,7 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work) err = PTR_ERR(trans); break; } - if (!fs_info->quota_enabled) { + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) { err = -EINTR; } else { err = qgroup_rescan_leaf(fs_info, path, trans); @@ -2388,7 +2391,7 @@ out: ret = update_qgroup_status_item(trans, fs_info, fs_info->quota_root); if (ret < 0) { err = ret; - btrfs_err(fs_info, "fail to update qgroup status: %d\n", err); + btrfs_err(fs_info, "fail to update qgroup status: %d", err); } btrfs_end_transaction(trans, fs_info->quota_root); @@ -2578,8 +2581,8 @@ int btrfs_qgroup_reserve_data(struct inode *inode, u64 start, u64 len) struct ulist_iterator uiter; int ret; - if (!root->fs_info->quota_enabled || !is_fstree(root->objectid) || - len == 0) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags) || + !is_fstree(root->objectid) || len == 0) return 0; changeset.bytes_changed = 0; @@ -2676,8 +2679,8 @@ int btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes) { int ret; - if (!root->fs_info->quota_enabled || !is_fstree(root->objectid) || - num_bytes == 0) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags) || + !is_fstree(root->objectid) || num_bytes == 0) return 0; BUG_ON(num_bytes != round_down(num_bytes, root->nodesize)); @@ -2692,7 +2695,8 @@ void btrfs_qgroup_free_meta_all(struct btrfs_root *root) { int reserved; - if (!root->fs_info->quota_enabled || !is_fstree(root->objectid)) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags) || + !is_fstree(root->objectid)) return; reserved = atomic_xchg(&root->qgroup_meta_rsv, 0); @@ -2703,7 +2707,8 @@ void btrfs_qgroup_free_meta_all(struct btrfs_root *root) void btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes) { - if (!root->fs_info->quota_enabled || !is_fstree(root->objectid)) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags) || + !is_fstree(root->objectid)) return; BUG_ON(num_bytes != round_down(num_bytes, root->nodesize)); diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index cd8d302a1f61..d016d4a79864 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -2143,7 +2143,10 @@ int raid56_parity_recover(struct btrfs_root *root, struct bio *bio, rbio->faila = find_logical_bio_stripe(rbio, bio); if (rbio->faila == -1) { - BUG(); + btrfs_warn(root->fs_info, + "%s could not find the bad stripe in raid56 so that we cannot recover any more (bio has logical %llu len %llu, bbio has map_type %llu)", + __func__, (u64)bio->bi_iter.bi_sector << 9, + (u64)bio->bi_iter.bi_size, bbio->map_type); if (generic_io) btrfs_put_bbio(bbio); kfree(rbio); diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index 8428db7cd88f..75bab76739be 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -820,7 +820,7 @@ static void dump_devs(struct btrfs_fs_info *fs_info, int all) spin_lock(&fs_info->reada_lock); list_for_each_entry(device, &fs_devices->devices, dev_list) { - printk(KERN_DEBUG "dev %lld has %d in flight\n", device->devid, + btrfs_debug(fs_info, "dev %lld has %d in flight", device->devid, atomic_read(&device->reada_in_flight)); index = 0; while (1) { @@ -829,17 +829,17 @@ static void dump_devs(struct btrfs_fs_info *fs_info, int all) (void **)&zone, index, 1); if (ret == 0) break; - printk(KERN_DEBUG " zone %llu-%llu elems %llu locked " - "%d devs", zone->start, zone->end, zone->elems, - zone->locked); + pr_debug(" zone %llu-%llu elems %llu locked %d devs", + zone->start, zone->end, zone->elems, + zone->locked); for (j = 0; j < zone->ndevs; ++j) { - printk(KERN_CONT " %lld", + pr_cont(" %lld", zone->devs[j]->devid); } if (device->reada_curr_zone == zone) - printk(KERN_CONT " curr off %llu", + pr_cont(" curr off %llu", device->reada_next - zone->start); - printk(KERN_CONT "\n"); + pr_cont("\n"); index = (zone->end >> PAGE_SHIFT) + 1; } cnt = 0; @@ -851,21 +851,20 @@ static void dump_devs(struct btrfs_fs_info *fs_info, int all) (void **)&re, index, 1); if (ret == 0) break; - printk(KERN_DEBUG - " re: logical %llu size %u empty %d scheduled %d", + pr_debug(" re: logical %llu size %u empty %d scheduled %d", re->logical, fs_info->tree_root->nodesize, list_empty(&re->extctl), re->scheduled); for (i = 0; i < re->nzones; ++i) { - printk(KERN_CONT " zone %llu-%llu devs", + pr_cont(" zone %llu-%llu devs", re->zones[i]->start, re->zones[i]->end); for (j = 0; j < re->zones[i]->ndevs; ++j) { - printk(KERN_CONT " %lld", + pr_cont(" %lld", re->zones[i]->devs[j]->devid); } } - printk(KERN_CONT "\n"); + pr_cont("\n"); index = (re->logical >> PAGE_SHIFT) + 1; if (++cnt > 15) break; @@ -885,20 +884,19 @@ static void dump_devs(struct btrfs_fs_info *fs_info, int all) index = (re->logical >> PAGE_SHIFT) + 1; continue; } - printk(KERN_DEBUG - "re: logical %llu size %u list empty %d scheduled %d", + pr_debug("re: logical %llu size %u list empty %d scheduled %d", re->logical, fs_info->tree_root->nodesize, list_empty(&re->extctl), re->scheduled); for (i = 0; i < re->nzones; ++i) { - printk(KERN_CONT " zone %llu-%llu devs", + pr_cont(" zone %llu-%llu devs", re->zones[i]->start, re->zones[i]->end); for (j = 0; j < re->zones[i]->ndevs; ++j) { - printk(KERN_CONT " %lld", + pr_cont(" %lld", re->zones[i]->devs[j]->devid); } } - printk(KERN_CONT "\n"); + pr_cont("\n"); index = (re->logical >> PAGE_SHIFT) + 1; } spin_unlock(&fs_info->reada_lock); diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index c0c13dc6fe12..0ec8ffa37ab0 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -337,8 +337,9 @@ static void backref_tree_panic(struct rb_node *rb_node, int errno, u64 bytenr) rb_node); if (bnode->root) fs_info = bnode->root->fs_info; - btrfs_panic(fs_info, errno, "Inconsistency in backref cache " - "found at offset %llu", bytenr); + btrfs_panic(fs_info, errno, + "Inconsistency in backref cache found at offset %llu", + bytenr); } /* @@ -923,9 +924,16 @@ again: path2->slots[level]--; eb = path2->nodes[level]; - WARN_ON(btrfs_node_blockptr(eb, path2->slots[level]) != - cur->bytenr); - + if (btrfs_node_blockptr(eb, path2->slots[level]) != + cur->bytenr) { + btrfs_err(root->fs_info, + "couldn't find block (%llu) (level %d) in tree (%llu) with key (%llu %u %llu)", + cur->bytenr, level - 1, root->objectid, + node_key->objectid, node_key->type, + node_key->offset); + err = -ENOENT; + goto out; + } lower = cur; need_check = true; for (; level < BTRFS_MAX_LEVEL; level++) { @@ -1296,9 +1304,9 @@ static int __must_check __add_reloc_root(struct btrfs_root *root) node->bytenr, &node->rb_node); spin_unlock(&rc->reloc_root_tree.lock); if (rb_node) { - btrfs_panic(root->fs_info, -EEXIST, "Duplicate root found " - "for start=%llu while inserting into relocation " - "tree", node->bytenr); + btrfs_panic(root->fs_info, -EEXIST, + "Duplicate root found for start=%llu while inserting into relocation tree", + node->bytenr); kfree(node); return -EEXIST; } @@ -2350,6 +2358,10 @@ void free_reloc_roots(struct list_head *list) while (!list_empty(list)) { reloc_root = list_entry(list->next, struct btrfs_root, root_list); + free_extent_buffer(reloc_root->node); + free_extent_buffer(reloc_root->commit_root); + reloc_root->node = NULL; + reloc_root->commit_root = NULL; __del_reloc_root(reloc_root); } } @@ -2686,11 +2698,15 @@ static int do_relocation(struct btrfs_trans_handle *trans, if (!upper->eb) { ret = btrfs_search_slot(trans, root, key, path, 0, 1); - if (ret < 0) { - err = ret; + if (ret) { + if (ret < 0) + err = ret; + else + err = -ENOENT; + + btrfs_release_path(path); break; } - BUG_ON(ret > 0); if (!upper->eb) { upper->eb = path->nodes[upper->level]; @@ -3203,7 +3219,7 @@ static int relocate_file_extent_cluster(struct inode *inode, nr++; } - btrfs_set_extent_delalloc(inode, page_start, page_end, NULL); + btrfs_set_extent_delalloc(inode, page_start, page_end, NULL, 0); set_page_dirty(page); unlock_extent(&BTRFS_I(inode)->io_tree, @@ -3952,7 +3968,7 @@ static int qgroup_fix_relocated_data_extents(struct btrfs_trans_handle *trans, struct btrfs_key key; int ret = 0; - if (!fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) return 0; /* @@ -4365,8 +4381,9 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start) goto out; } - btrfs_info(extent_root->fs_info, "relocating block group %llu flags %llu", - rc->block_group->key.objectid, rc->block_group->flags); + btrfs_info(extent_root->fs_info, + "relocating block group %llu flags %llu", + rc->block_group->key.objectid, rc->block_group->flags); btrfs_wait_block_group_reservations(rc->block_group); btrfs_wait_nocow_writers(rc->block_group); diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index 091296062456..edae751e870c 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -46,12 +46,7 @@ static void btrfs_read_root_item(struct extent_buffer *eb, int slot, != btrfs_root_generation_v2(item)) { if (btrfs_root_generation_v2(item) != 0) { btrfs_warn(eb->fs_info, - "mismatching " - "generation and generation_v2 " - "found in root item. This root " - "was probably mounted with an " - "older kernel. Resetting all " - "new fields."); + "mismatching generation and generation_v2 found in root item. This root was probably mounted with an older kernel. Resetting all new fields."); } need_reset = 1; } @@ -156,8 +151,9 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root if (ret != 0) { btrfs_print_leaf(root, path->nodes[0]); - btrfs_crit(root->fs_info, "unable to update root key %llu %u %llu", - key->objectid, key->type, key->offset); + btrfs_crit(root->fs_info, + "unable to update root key %llu %u %llu", + key->objectid, key->type, key->offset); BUG_ON(1); } @@ -302,8 +298,7 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) if (IS_ERR(trans)) { err = PTR_ERR(trans); btrfs_handle_fs_error(tree_root->fs_info, err, - "Failed to start trans to delete " - "orphan item"); + "Failed to start trans to delete orphan item"); break; } err = btrfs_del_orphan_item(trans, tree_root, @@ -311,8 +306,7 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) btrfs_end_transaction(trans, tree_root); if (err) { btrfs_handle_fs_error(tree_root->fs_info, err, - "Failed to delete root orphan " - "item"); + "Failed to delete root orphan item"); break; } continue; diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 1d195d2b32c6..fffb9ab8526e 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -575,23 +575,25 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, u64 root, * hold all of the paths here */ for (i = 0; i < ipath->fspath->elem_cnt; ++i) - btrfs_warn_in_rcu(fs_info, "%s at logical %llu on dev " - "%s, sector %llu, root %llu, inode %llu, offset %llu, " - "length %llu, links %u (path: %s)", swarn->errstr, - swarn->logical, rcu_str_deref(swarn->dev->name), - (unsigned long long)swarn->sector, root, inum, offset, - min(isize - offset, (u64)PAGE_SIZE), nlink, - (char *)(unsigned long)ipath->fspath->val[i]); + btrfs_warn_in_rcu(fs_info, + "%s at logical %llu on dev %s, sector %llu, root %llu, inode %llu, offset %llu, length %llu, links %u (path: %s)", + swarn->errstr, swarn->logical, + rcu_str_deref(swarn->dev->name), + (unsigned long long)swarn->sector, + root, inum, offset, + min(isize - offset, (u64)PAGE_SIZE), nlink, + (char *)(unsigned long)ipath->fspath->val[i]); free_ipath(ipath); return 0; err: - btrfs_warn_in_rcu(fs_info, "%s at logical %llu on dev " - "%s, sector %llu, root %llu, inode %llu, offset %llu: path " - "resolving failed with ret=%d", swarn->errstr, - swarn->logical, rcu_str_deref(swarn->dev->name), - (unsigned long long)swarn->sector, root, inum, offset, ret); + btrfs_warn_in_rcu(fs_info, + "%s at logical %llu on dev %s, sector %llu, root %llu, inode %llu, offset %llu: path resolving failed with ret=%d", + swarn->errstr, swarn->logical, + rcu_str_deref(swarn->dev->name), + (unsigned long long)swarn->sector, + root, inum, offset, ret); free_ipath(ipath); return 0; @@ -645,9 +647,8 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock) item_size, &ref_root, &ref_level); btrfs_warn_in_rcu(fs_info, - "%s at logical %llu on dev %s, " - "sector %llu: metadata %s (level %d) in tree " - "%llu", errstr, swarn.logical, + "%s at logical %llu on dev %s, sector %llu: metadata %s (level %d) in tree %llu", + errstr, swarn.logical, rcu_str_deref(dev->name), (unsigned long long)swarn.sector, ref_level ? "node" : "leaf", @@ -1574,8 +1575,7 @@ static int scrub_repair_page_from_good_copy(struct scrub_block *sblock_bad, if (!page_bad->dev->bdev) { btrfs_warn_rl(sblock_bad->sctx->dev_root->fs_info, - "scrub_repair_page_from_good_copy(bdev == NULL) " - "is unexpected"); + "scrub_repair_page_from_good_copy(bdev == NULL) is unexpected"); return -EIO; } @@ -2961,7 +2961,8 @@ static noinline_for_stack int scrub_raid56_parity(struct scrub_ctx *sctx, (key.objectid < logic_start || key.objectid + bytes > logic_start + map->stripe_len)) { - btrfs_err(fs_info, "scrub: tree block %llu spanning stripes, ignored. logical=%llu", + btrfs_err(fs_info, + "scrub: tree block %llu spanning stripes, ignored. logical=%llu", key.objectid, logic_start); spin_lock(&sctx->stat_lock); sctx->stat.uncorrectable_errors++; @@ -3312,8 +3313,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx, key.objectid + bytes > logical + map->stripe_len)) { btrfs_err(fs_info, - "scrub: tree block %llu spanning " - "stripes, ignored. logical=%llu", + "scrub: tree block %llu spanning stripes, ignored. logical=%llu", key.objectid, logical); spin_lock(&sctx->stat_lock); sctx->stat.uncorrectable_errors++; @@ -3640,7 +3640,8 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, */ ro_set = 0; } else { - btrfs_warn(fs_info, "failed setting block group ro, ret=%d\n", + btrfs_warn(fs_info, + "failed setting block group ro, ret=%d\n", ret); btrfs_put_block_group(cache); break; @@ -3861,8 +3862,7 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, if (fs_info->chunk_root->sectorsize != PAGE_SIZE) { /* not supported for data w/o checksums */ btrfs_err_rl(fs_info, - "scrub: size assumption sectorsize != PAGE_SIZE " - "(%d != %lu) fails", + "scrub: size assumption sectorsize != PAGE_SIZE (%d != %lu) fails", fs_info->chunk_root->sectorsize, PAGE_SIZE); return -EINVAL; } @@ -3875,8 +3875,8 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, * would exhaust the array bounds of pagev member in * struct scrub_block */ - btrfs_err(fs_info, "scrub: size assumption nodesize and sectorsize " - "<= SCRUB_MAX_PAGES_PER_BLOCK (%d <= %d && %d <= %d) fails", + btrfs_err(fs_info, + "scrub: size assumption nodesize and sectorsize <= SCRUB_MAX_PAGES_PER_BLOCK (%d <= %d && %d <= %d) fails", fs_info->chunk_root->nodesize, SCRUB_MAX_PAGES_PER_BLOCK, fs_info->chunk_root->sectorsize, @@ -4202,10 +4202,10 @@ static void copy_nocow_pages_worker(struct btrfs_work *work) ret = iterate_inodes_from_logical(logical, fs_info, path, record_inode_for_nocow, nocow_ctx); if (ret != 0 && ret != -ENOENT) { - btrfs_warn(fs_info, "iterate_inodes_from_logical() failed: log %llu, " - "phys %llu, len %llu, mir %u, ret %d", - logical, physical_for_dev_replace, len, mirror_num, - ret); + btrfs_warn(fs_info, + "iterate_inodes_from_logical() failed: log %llu, phys %llu, len %llu, mir %u, ret %d", + logical, physical_for_dev_replace, len, mirror_num, + ret); not_written = 1; goto out; } diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 1379e59277e2..01bc36cec26e 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -36,10 +36,6 @@ #include "transaction.h" #include "compression.h" -static int g_verbose = 0; - -#define verbose_printk(...) if (g_verbose) printk(__VA_ARGS__) - /* * A fs_path is a helper to dynamically build path names with unknown size. * It reallocates the internal buffer on demand. @@ -727,9 +723,10 @@ static int send_cmd(struct send_ctx *sctx) static int send_rename(struct send_ctx *sctx, struct fs_path *from, struct fs_path *to) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret; -verbose_printk("btrfs: send_rename %s -> %s\n", from->start, to->start); + btrfs_debug(fs_info, "send_rename %s -> %s", from->start, to->start); ret = begin_cmd(sctx, BTRFS_SEND_C_RENAME); if (ret < 0) @@ -751,9 +748,10 @@ out: static int send_link(struct send_ctx *sctx, struct fs_path *path, struct fs_path *lnk) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret; -verbose_printk("btrfs: send_link %s -> %s\n", path->start, lnk->start); + btrfs_debug(fs_info, "send_link %s -> %s", path->start, lnk->start); ret = begin_cmd(sctx, BTRFS_SEND_C_LINK); if (ret < 0) @@ -774,9 +772,10 @@ out: */ static int send_unlink(struct send_ctx *sctx, struct fs_path *path) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret; -verbose_printk("btrfs: send_unlink %s\n", path->start); + btrfs_debug(fs_info, "send_unlink %s", path->start); ret = begin_cmd(sctx, BTRFS_SEND_C_UNLINK); if (ret < 0) @@ -796,9 +795,10 @@ out: */ static int send_rmdir(struct send_ctx *sctx, struct fs_path *path) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret; -verbose_printk("btrfs: send_rmdir %s\n", path->start); + btrfs_debug(fs_info, "send_rmdir %s", path->start); ret = begin_cmd(sctx, BTRFS_SEND_C_RMDIR); if (ret < 0) @@ -1313,6 +1313,7 @@ static int find_extent_clone(struct send_ctx *sctx, u64 ino_size, struct clone_root **found) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret; int extent_type; u64 logical; @@ -1371,10 +1372,10 @@ static int find_extent_clone(struct send_ctx *sctx, } logical = disk_byte + btrfs_file_extent_offset(eb, fi); - down_read(&sctx->send_root->fs_info->commit_root_sem); - ret = extent_from_logical(sctx->send_root->fs_info, disk_byte, tmp_path, + down_read(&fs_info->commit_root_sem); + ret = extent_from_logical(fs_info, disk_byte, tmp_path, &found_key, &flags); - up_read(&sctx->send_root->fs_info->commit_root_sem); + up_read(&fs_info->commit_root_sem); btrfs_release_path(tmp_path); if (ret < 0) @@ -1429,7 +1430,7 @@ static int find_extent_clone(struct send_ctx *sctx, extent_item_pos = logical - found_key.objectid; else extent_item_pos = 0; - ret = iterate_extent_inodes(sctx->send_root->fs_info, + ret = iterate_extent_inodes(fs_info, found_key.objectid, extent_item_pos, 1, __iterate_backrefs, backref_ctx); @@ -1439,20 +1440,18 @@ static int find_extent_clone(struct send_ctx *sctx, if (!backref_ctx->found_itself) { /* found a bug in backref code? */ ret = -EIO; - btrfs_err(sctx->send_root->fs_info, "did not find backref in " - "send_root. inode=%llu, offset=%llu, " - "disk_byte=%llu found extent=%llu", - ino, data_offset, disk_byte, found_key.objectid); + btrfs_err(fs_info, + "did not find backref in send_root. inode=%llu, offset=%llu, disk_byte=%llu found extent=%llu", + ino, data_offset, disk_byte, found_key.objectid); goto out; } -verbose_printk(KERN_DEBUG "btrfs: find_extent_clone: data_offset=%llu, " - "ino=%llu, " - "num_bytes=%llu, logical=%llu\n", - data_offset, ino, num_bytes, logical); + btrfs_debug(fs_info, + "find_extent_clone: data_offset=%llu, ino=%llu, num_bytes=%llu, logical=%llu", + data_offset, ino, num_bytes, logical); if (!backref_ctx->found) - verbose_printk("btrfs: no clones found\n"); + btrfs_debug(fs_info, "no clones found"); cur_clone_root = NULL; for (i = 0; i < sctx->clone_roots_cnt; i++) { @@ -2423,10 +2422,11 @@ out: static int send_truncate(struct send_ctx *sctx, u64 ino, u64 gen, u64 size) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p; -verbose_printk("btrfs: send_truncate %llu size=%llu\n", ino, size); + btrfs_debug(fs_info, "send_truncate %llu size=%llu", ino, size); p = fs_path_alloc(); if (!p) @@ -2452,10 +2452,11 @@ out: static int send_chmod(struct send_ctx *sctx, u64 ino, u64 gen, u64 mode) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p; -verbose_printk("btrfs: send_chmod %llu mode=%llu\n", ino, mode); + btrfs_debug(fs_info, "send_chmod %llu mode=%llu", ino, mode); p = fs_path_alloc(); if (!p) @@ -2481,10 +2482,12 @@ out: static int send_chown(struct send_ctx *sctx, u64 ino, u64 gen, u64 uid, u64 gid) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p; -verbose_printk("btrfs: send_chown %llu uid=%llu, gid=%llu\n", ino, uid, gid); + btrfs_debug(fs_info, "send_chown %llu uid=%llu, gid=%llu", + ino, uid, gid); p = fs_path_alloc(); if (!p) @@ -2511,6 +2514,7 @@ out: static int send_utimes(struct send_ctx *sctx, u64 ino, u64 gen) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p = NULL; struct btrfs_inode_item *ii; @@ -2519,7 +2523,7 @@ static int send_utimes(struct send_ctx *sctx, u64 ino, u64 gen) struct btrfs_key key; int slot; -verbose_printk("btrfs: send_utimes %llu\n", ino); + btrfs_debug(fs_info, "send_utimes %llu", ino); p = fs_path_alloc(); if (!p) @@ -2573,6 +2577,7 @@ out: */ static int send_create_inode(struct send_ctx *sctx, u64 ino) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p; int cmd; @@ -2580,7 +2585,7 @@ static int send_create_inode(struct send_ctx *sctx, u64 ino) u64 mode; u64 rdev; -verbose_printk("btrfs: send_create_inode %llu\n", ino); + btrfs_debug(fs_info, "send_create_inode %llu", ino); p = fs_path_alloc(); if (!p) @@ -3638,6 +3643,7 @@ out: */ static int process_recorded_refs(struct send_ctx *sctx, int *pending_move) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct recorded_ref *cur; struct recorded_ref *cur2; @@ -3650,7 +3656,7 @@ static int process_recorded_refs(struct send_ctx *sctx, int *pending_move) u64 last_dir_ino_rm = 0; bool can_rename = true; -verbose_printk("btrfs: process_recorded_refs %llu\n", sctx->cur_ino); + btrfs_debug(fs_info, "process_recorded_refs %llu", sctx->cur_ino); /* * This should never happen as the root dir always has the same ref @@ -4398,12 +4404,8 @@ static int process_new_xattr(struct send_ctx *sctx) static int process_deleted_xattr(struct send_ctx *sctx) { - int ret; - - ret = iterate_dir_item(sctx->parent_root, sctx->right_path, - sctx->cmp_key, __process_deleted_xattr, sctx); - - return ret; + return iterate_dir_item(sctx->parent_root, sctx->right_path, + sctx->cmp_key, __process_deleted_xattr, sctx); } struct find_xattr_ctx { @@ -4664,6 +4666,7 @@ out: */ static int send_write(struct send_ctx *sctx, u64 offset, u32 len) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p; ssize_t num_read = 0; @@ -4672,7 +4675,7 @@ static int send_write(struct send_ctx *sctx, u64 offset, u32 len) if (!p) return -ENOMEM; -verbose_printk("btrfs: send_write offset=%llu, len=%d\n", offset, len); + btrfs_debug(fs_info, "send_write offset=%llu, len=%d", offset, len); num_read = fill_read_buf(sctx, offset, len); if (num_read <= 0) { @@ -4714,10 +4717,10 @@ static int send_clone(struct send_ctx *sctx, struct fs_path *p; u64 gen; -verbose_printk("btrfs: send_clone offset=%llu, len=%d, clone_root=%llu, " - "clone_inode=%llu, clone_offset=%llu\n", offset, len, - clone_root->root->objectid, clone_root->ino, - clone_root->offset); + btrfs_debug(sctx->send_root->fs_info, + "send_clone offset=%llu, len=%d, clone_root=%llu, clone_inode=%llu, clone_offset=%llu", + offset, len, clone_root->root->objectid, clone_root->ino, + clone_root->offset); p = fs_path_alloc(); if (!p) diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 4071fe2bd098..74ed5aae6cea 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -151,12 +151,11 @@ void __btrfs_handle_fs_error(struct btrfs_fs_info *fs_info, const char *function vaf.fmt = fmt; vaf.va = &args; - printk(KERN_CRIT - "BTRFS: error (device %s) in %s:%d: errno=%d %s (%pV)\n", + pr_crit("BTRFS: error (device %s) in %s:%d: errno=%d %s (%pV)\n", sb->s_id, function, line, errno, errstr, &vaf); va_end(args); } else { - printk(KERN_CRIT "BTRFS: error (device %s) in %s:%d: errno=%d %s\n", + pr_crit("BTRFS: error (device %s) in %s:%d: errno=%d %s\n", sb->s_id, function, line, errno, errstr); } #endif @@ -462,9 +461,11 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, case Opt_datasum: if (btrfs_test_opt(info, NODATASUM)) { if (btrfs_test_opt(info, NODATACOW)) - btrfs_info(root->fs_info, "setting datasum, datacow enabled"); + btrfs_info(root->fs_info, + "setting datasum, datacow enabled"); else - btrfs_info(root->fs_info, "setting datasum"); + btrfs_info(root->fs_info, + "setting datasum"); } btrfs_clear_opt(info->mount_opt, NODATACOW); btrfs_clear_opt(info->mount_opt, NODATASUM); @@ -476,7 +477,8 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, btrfs_info(root->fs_info, "setting nodatacow, compression disabled"); } else { - btrfs_info(root->fs_info, "setting nodatacow"); + btrfs_info(root->fs_info, + "setting nodatacow"); } } btrfs_clear_opt(info->mount_opt, COMPRESS); @@ -608,8 +610,9 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, info->alloc_start = memparse(num, NULL); mutex_unlock(&info->chunk_mutex); kfree(num); - btrfs_info(root->fs_info, "allocations start at %llu", - info->alloc_start); + btrfs_info(root->fs_info, + "allocations start at %llu", + info->alloc_start); } else { ret = -ENOMEM; goto out; @@ -762,8 +765,9 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, goto out; } else if (intarg >= 0) { info->check_integrity_print_mask = intarg; - btrfs_info(root->fs_info, "check_integrity_print_mask 0x%x", - info->check_integrity_print_mask); + btrfs_info(root->fs_info, + "check_integrity_print_mask 0x%x", + info->check_integrity_print_mask); } else { ret = -EINVAL; goto out; @@ -794,19 +798,22 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, intarg = 0; ret = match_int(&args[0], &intarg); if (ret < 0) { - btrfs_err(root->fs_info, "invalid commit interval"); + btrfs_err(root->fs_info, + "invalid commit interval"); ret = -EINVAL; goto out; } if (intarg > 0) { if (intarg > 300) { - btrfs_warn(root->fs_info, "excessive commit interval %d", - intarg); + btrfs_warn(root->fs_info, + "excessive commit interval %d", + intarg); } info->commit_interval = intarg; } else { - btrfs_info(root->fs_info, "using default commit interval %ds", - BTRFS_DEFAULT_COMMIT_INTERVAL); + btrfs_info(root->fs_info, + "using default commit interval %ds", + BTRFS_DEFAULT_COMMIT_INTERVAL); info->commit_interval = BTRFS_DEFAULT_COMMIT_INTERVAL; } break; @@ -827,7 +834,8 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, break; #endif case Opt_err: - btrfs_info(root->fs_info, "unrecognized mount option '%s'", p); + btrfs_info(root->fs_info, + "unrecognized mount option '%s'", p); ret = -EINVAL; goto out; default: @@ -916,9 +924,7 @@ static int btrfs_parse_early_options(const char *options, fmode_t flags, } break; case Opt_subvolrootid: - printk(KERN_WARNING - "BTRFS: 'subvolrootid' mount option is deprecated and has " - "no effect\n"); + pr_warn("BTRFS: 'subvolrootid' mount option is deprecated and has no effect\n"); break; case Opt_device: device_name = match_strdup(&args[0]); @@ -1142,7 +1148,7 @@ static int btrfs_fill_super(struct super_block *sb, sb->s_iflags |= SB_I_CGROUPWB; err = open_ctree(sb, fs_devices, (char *)data); if (err) { - printk(KERN_ERR "BTRFS: open_ctree failed\n"); + btrfs_err(fs_info, "open_ctree failed"); return err; } @@ -1440,12 +1446,13 @@ static struct dentry *mount_subvol(const char *subvol_name, u64 subvol_objectid, if (!IS_ERR(root)) { struct super_block *s = root->d_sb; + struct btrfs_fs_info *fs_info = btrfs_sb(s); struct inode *root_inode = d_inode(root); u64 root_objectid = BTRFS_I(root_inode)->root->root_key.objectid; ret = 0; if (!is_subvolume_inode(root_inode)) { - pr_err("BTRFS: '%s' is not a valid subvolume\n", + btrfs_err(fs_info, "'%s' is not a valid subvolume", subvol_name); ret = -EINVAL; } @@ -1455,8 +1462,9 @@ static struct dentry *mount_subvol(const char *subvol_name, u64 subvol_objectid, * subvolume which was passed by ID is renamed and * another subvolume is renamed over the old location. */ - pr_err("BTRFS: subvol '%s' does not match subvolid %llu\n", - subvol_name, subvol_objectid); + btrfs_err(fs_info, + "subvol '%s' does not match subvolid %llu", + subvol_name, subvol_objectid); ret = -EINVAL; } if (ret) { @@ -1830,13 +1838,15 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) btrfs_info(fs_info, "creating UUID tree"); ret = btrfs_create_uuid_tree(fs_info); if (ret) { - btrfs_warn(fs_info, "failed to create the UUID tree %d", ret); + btrfs_warn(fs_info, + "failed to create the UUID tree %d", + ret); goto restore; } } sb->s_flags &= ~MS_RDONLY; - fs_info->open = 1; + set_bit(BTRFS_FS_OPEN, &fs_info->flags); } out: wake_up_process(fs_info->transaction_kthread); @@ -2346,7 +2356,7 @@ static void btrfs_interface_exit(void) static void btrfs_print_mod_info(void) { - printk(KERN_INFO "Btrfs loaded, crc32c=%s" + pr_info("Btrfs loaded, crc32c=%s" #ifdef CONFIG_BTRFS_DEBUG ", debug=on" #endif diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index c6569905d3d1..1f157fba8940 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -77,7 +77,7 @@ static int can_modify_feature(struct btrfs_feature_attr *fa) clear = BTRFS_FEATURE_INCOMPAT_SAFE_CLEAR; break; default: - printk(KERN_WARNING "btrfs: sysfs: unknown feature set %d\n", + pr_warn("btrfs: sysfs: unknown feature set %d\n", fa->feature_set); return 0; } @@ -430,7 +430,8 @@ static ssize_t btrfs_sectorsize_show(struct kobject *kobj, { struct btrfs_fs_info *fs_info = to_fs_info(kobj); - return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->sectorsize); + return snprintf(buf, PAGE_SIZE, "%u\n", + fs_info->super_copy->sectorsize); } BTRFS_ATTR(sectorsize, btrfs_sectorsize_show); @@ -440,7 +441,8 @@ static ssize_t btrfs_clone_alignment_show(struct kobject *kobj, { struct btrfs_fs_info *fs_info = to_fs_info(kobj); - return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->sectorsize); + return snprintf(buf, PAGE_SIZE, "%u\n", + fs_info->super_copy->sectorsize); } BTRFS_ATTR(clone_alignment, btrfs_clone_alignment_show); @@ -836,9 +838,18 @@ static int btrfs_init_debugfs(void) if (!btrfs_debugfs_root_dentry) return -ENOMEM; - debugfs_create_u64("test", S_IRUGO | S_IWUGO, btrfs_debugfs_root_dentry, + /* + * Example code, how to export data through debugfs. + * + * file: /sys/kernel/debug/btrfs/test + * contents of: btrfs_debugfs_test + */ +#ifdef CONFIG_BTRFS_DEBUG + debugfs_create_u64("test", S_IRUGO | S_IWUSR, btrfs_debugfs_root_dentry, &btrfs_debugfs_test); #endif + +#endif return 0; } diff --git a/fs/btrfs/tests/inode-tests.c b/fs/btrfs/tests/inode-tests.c index 9f72aeda9220..0bf46808ce8f 100644 --- a/fs/btrfs/tests/inode-tests.c +++ b/fs/btrfs/tests/inode-tests.c @@ -968,7 +968,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) /* [BTRFS_MAX_EXTENT_SIZE] */ BTRFS_I(inode)->outstanding_extents++; ret = btrfs_set_extent_delalloc(inode, 0, BTRFS_MAX_EXTENT_SIZE - 1, - NULL); + NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -984,7 +984,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) BTRFS_I(inode)->outstanding_extents++; ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE, BTRFS_MAX_EXTENT_SIZE + sectorsize - 1, - NULL); + NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1019,7 +1019,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE >> 1, (BTRFS_MAX_EXTENT_SIZE >> 1) + sectorsize - 1, - NULL); + NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1042,7 +1042,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize, (BTRFS_MAX_EXTENT_SIZE << 1) + 3 * sectorsize - 1, - NULL); + NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1060,7 +1060,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) BTRFS_I(inode)->outstanding_extents++; ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE + sectorsize, - BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL); + BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1097,7 +1097,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) BTRFS_I(inode)->outstanding_extents++; ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE + sectorsize, - BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL); + BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; diff --git a/fs/btrfs/tests/qgroup-tests.c b/fs/btrfs/tests/qgroup-tests.c index 4407fef7c16c..ca7cb5e6d385 100644 --- a/fs/btrfs/tests/qgroup-tests.c +++ b/fs/btrfs/tests/qgroup-tests.c @@ -480,7 +480,7 @@ int btrfs_test_qgroups(u32 sectorsize, u32 nodesize) */ root->fs_info->tree_root = root; root->fs_info->quota_root = root; - root->fs_info->quota_enabled = 1; + set_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); /* * Can't use bytenr 0, some things freak out diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index c294313ea2c8..9517de0e668c 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -65,8 +65,9 @@ void btrfs_put_transaction(struct btrfs_transaction *transaction) BUG_ON(!list_empty(&transaction->list)); WARN_ON(!RB_EMPTY_ROOT(&transaction->delayed_refs.href_root)); if (transaction->delayed_refs.pending_csums) - printk(KERN_ERR "pending csums is %llu\n", - transaction->delayed_refs.pending_csums); + btrfs_err(transaction->fs_info, + "pending csums is %llu", + transaction->delayed_refs.pending_csums); while (!list_empty(&transaction->pending_chunks)) { struct extent_map *em; @@ -245,6 +246,7 @@ loop: return -EROFS; } + cur_trans->fs_info = fs_info; atomic_set(&cur_trans->num_writers, 1); extwriter_counter_init(cur_trans, type); init_waitqueue_head(&cur_trans->writer_wait); @@ -272,11 +274,9 @@ loop: */ smp_mb(); if (!list_empty(&fs_info->tree_mod_seq_list)) - WARN(1, KERN_ERR "BTRFS: tree_mod_seq_list not empty when " - "creating a fresh transaction\n"); + WARN(1, KERN_ERR "BTRFS: tree_mod_seq_list not empty when creating a fresh transaction\n"); if (!RB_EMPTY_ROOT(&fs_info->tree_mod_log)) - WARN(1, KERN_ERR "BTRFS: tree_mod_log rb tree not empty when " - "creating a fresh transaction\n"); + WARN(1, KERN_ERR "BTRFS: tree_mod_log rb tree not empty when creating a fresh transaction\n"); atomic64_set(&fs_info->tree_mod_seq, 0); spin_lock_init(&cur_trans->delayed_refs.lock); @@ -441,7 +441,7 @@ static void wait_current_trans(struct btrfs_root *root) static int may_wait_transaction(struct btrfs_root *root, int type) { - if (root->fs_info->log_root_recovering) + if (test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags)) return 0; if (type == TRANS_USERSPACE) @@ -549,11 +549,8 @@ again: } } while (ret == -EBUSY); - if (ret < 0) { - /* We must get the transaction if we are JOIN_NOLOCK. */ - BUG_ON(type == TRANS_JOIN_NOLOCK); + if (ret < 0) goto join_fail; - } cur_trans = root->fs_info->running_transaction; @@ -993,7 +990,6 @@ int btrfs_wait_marked_extents(struct btrfs_root *root, struct extent_state *cached_state = NULL; u64 start = 0; u64 end; - struct btrfs_inode *btree_ino = BTRFS_I(root->fs_info->btree_inode); bool errors = false; while (!find_first_extent_bit(dirty_pages, start, &start, &end, @@ -1025,17 +1021,17 @@ int btrfs_wait_marked_extents(struct btrfs_root *root, if (root->root_key.objectid == BTRFS_TREE_LOG_OBJECTID) { if ((mark & EXTENT_DIRTY) && - test_and_clear_bit(BTRFS_INODE_BTREE_LOG1_ERR, - &btree_ino->runtime_flags)) + test_and_clear_bit(BTRFS_FS_LOG1_ERR, + &root->fs_info->flags)) errors = true; if ((mark & EXTENT_NEW) && - test_and_clear_bit(BTRFS_INODE_BTREE_LOG2_ERR, - &btree_ino->runtime_flags)) + test_and_clear_bit(BTRFS_FS_LOG2_ERR, + &root->fs_info->flags)) errors = true; } else { - if (test_and_clear_bit(BTRFS_INODE_BTREE_ERR, - &btree_ino->runtime_flags)) + if (test_and_clear_bit(BTRFS_FS_BTREE_ERR, + &root->fs_info->flags)) errors = true; } @@ -1300,11 +1296,11 @@ int btrfs_defrag_root(struct btrfs_root *root) btrfs_btree_balance_dirty(info->tree_root); cond_resched(); - if (btrfs_fs_closing(root->fs_info) || ret != -EAGAIN) + if (btrfs_fs_closing(info) || ret != -EAGAIN) break; - if (btrfs_defrag_cancelled(root->fs_info)) { - pr_debug("BTRFS: defrag_root cancelled\n"); + if (btrfs_defrag_cancelled(info)) { + btrfs_debug(info, "defrag_root cancelled"); ret = -EAGAIN; break; } @@ -1335,7 +1331,7 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans, * kick in anyway. */ mutex_lock(&fs_info->qgroup_ioctl_lock); - if (!fs_info->quota_enabled) { + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) { mutex_unlock(&fs_info->qgroup_ioctl_lock); return 0; } @@ -1712,7 +1708,7 @@ static void update_super_roots(struct btrfs_root *root) super->root_level = root_item->level; if (btrfs_test_opt(root->fs_info, SPACE_CACHE)) super->cache_generation = root_item->generation; - if (root->fs_info->update_uuid_tree_gen) + if (test_bit(BTRFS_FS_UPDATE_UUID_TREE_GEN, &root->fs_info->flags)) super->uuid_tree_generation = root_item->generation; } @@ -1919,7 +1915,6 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, { struct btrfs_transaction *cur_trans = trans->transaction; struct btrfs_transaction *prev_trans = NULL; - struct btrfs_inode *btree_ino = BTRFS_I(root->fs_info->btree_inode); int ret; /* Stop the commit early if ->aborted is set */ @@ -2213,8 +2208,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, btrfs_update_commit_device_size(root->fs_info); btrfs_update_commit_device_bytes_used(root, cur_trans); - clear_bit(BTRFS_INODE_BTREE_LOG1_ERR, &btree_ino->runtime_flags); - clear_bit(BTRFS_INODE_BTREE_LOG2_ERR, &btree_ino->runtime_flags); + clear_bit(BTRFS_FS_LOG1_ERR, &root->fs_info->flags); + clear_bit(BTRFS_FS_LOG2_ERR, &root->fs_info->flags); btrfs_trans_release_chunk_metadata(trans); @@ -2328,7 +2323,7 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root) list_del_init(&root->root_list); spin_unlock(&fs_info->trans_lock); - pr_debug("BTRFS: cleaner removing %llu\n", root->objectid); + btrfs_debug(fs_info, "cleaner removing %llu", root->objectid); btrfs_kill_all_delayed_nodes(root); diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index efb122643380..6cf0d37d4f76 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -82,6 +82,7 @@ struct btrfs_transaction { spinlock_t dropped_roots_lock; struct btrfs_delayed_ref_root delayed_refs; int aborted; + struct btrfs_fs_info *fs_info; }; #define __TRANS_FREEZABLE (1U << 0) diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 8a84ebd8e7cc..528cae123dc9 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -5579,7 +5579,7 @@ int btrfs_recover_log_trees(struct btrfs_root *log_root_tree) if (!path) return -ENOMEM; - fs_info->log_root_recovering = 1; + set_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags); trans = btrfs_start_transaction(fs_info->tree_root, 0); if (IS_ERR(trans)) { @@ -5592,8 +5592,8 @@ int btrfs_recover_log_trees(struct btrfs_root *log_root_tree) ret = walk_log_tree(trans, log_root_tree, &wc); if (ret) { - btrfs_handle_fs_error(fs_info, ret, "Failed to pin buffers while " - "recovering log root tree."); + btrfs_handle_fs_error(fs_info, ret, + "Failed to pin buffers while recovering log root tree."); goto error; } @@ -5639,8 +5639,8 @@ again: free_extent_buffer(log->node); free_extent_buffer(log->commit_root); kfree(log); - btrfs_handle_fs_error(fs_info, ret, "Couldn't read target root " - "for tree log recovery."); + btrfs_handle_fs_error(fs_info, ret, + "Couldn't read target root for tree log recovery."); goto error; } @@ -5689,7 +5689,7 @@ again: free_extent_buffer(log_root_tree->node); log_root_tree->log_root = NULL; - fs_info->log_root_recovering = 0; + clear_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags); kfree(log_root_tree); return 0; diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c index 778282944530..7fc89e4adb41 100644 --- a/fs/btrfs/uuid-tree.c +++ b/fs/btrfs/uuid-tree.c @@ -69,8 +69,9 @@ static int btrfs_uuid_tree_lookup(struct btrfs_root *uuid_root, u8 *uuid, ret = -ENOENT; if (!IS_ALIGNED(item_size, sizeof(u64))) { - btrfs_warn(uuid_root->fs_info, "uuid item with illegal size %lu!", - (unsigned long)item_size); + btrfs_warn(uuid_root->fs_info, + "uuid item with illegal size %lu!", + (unsigned long)item_size); goto out; } while (item_size) { @@ -137,10 +138,10 @@ int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, offset = btrfs_item_ptr_offset(eb, slot); offset += btrfs_item_size_nr(eb, slot) - sizeof(subid_le); } else if (ret < 0) { - btrfs_warn(uuid_root->fs_info, "insert uuid item failed %d " - "(0x%016llx, 0x%016llx) type %u!", - ret, (unsigned long long)key.objectid, - (unsigned long long)key.offset, type); + btrfs_warn(uuid_root->fs_info, + "insert uuid item failed %d (0x%016llx, 0x%016llx) type %u!", + ret, (unsigned long long)key.objectid, + (unsigned long long)key.offset, type); goto out; } @@ -184,8 +185,8 @@ int btrfs_uuid_tree_rem(struct btrfs_trans_handle *trans, ret = btrfs_search_slot(trans, uuid_root, &key, path, -1, 1); if (ret < 0) { - btrfs_warn(uuid_root->fs_info, "error %d while searching for uuid item!", - ret); + btrfs_warn(uuid_root->fs_info, + "error %d while searching for uuid item!", ret); goto out; } if (ret > 0) { @@ -198,8 +199,9 @@ int btrfs_uuid_tree_rem(struct btrfs_trans_handle *trans, offset = btrfs_item_ptr_offset(eb, slot); item_size = btrfs_item_size_nr(eb, slot); if (!IS_ALIGNED(item_size, sizeof(u64))) { - btrfs_warn(uuid_root->fs_info, "uuid item with illegal size %lu!", - (unsigned long)item_size); + btrfs_warn(uuid_root->fs_info, + "uuid item with illegal size %lu!", + (unsigned long)item_size); ret = -ENOENT; goto out; } @@ -299,8 +301,9 @@ again_search_slot: offset = btrfs_item_ptr_offset(leaf, slot); item_size = btrfs_item_size_nr(leaf, slot); if (!IS_ALIGNED(item_size, sizeof(u64))) { - btrfs_warn(fs_info, "uuid item with illegal size %lu!", - (unsigned long)item_size); + btrfs_warn(fs_info, + "uuid item with illegal size %lu!", + (unsigned long)item_size); goto skip; } while (item_size) { diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 035efce603a9..71a60cc01451 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -859,7 +859,7 @@ static void btrfs_close_bdev(struct btrfs_device *device) blkdev_put(device->bdev, device->mode); } -static void btrfs_close_one_device(struct btrfs_device *device) +static void btrfs_prepare_close_one_device(struct btrfs_device *device) { struct btrfs_fs_devices *fs_devices = device->fs_devices; struct btrfs_device *new_device; @@ -877,8 +877,6 @@ static void btrfs_close_one_device(struct btrfs_device *device) if (device->missing) fs_devices->missing_devices--; - btrfs_close_bdev(device); - new_device = btrfs_alloc_device(NULL, &device->devid, device->uuid); BUG_ON(IS_ERR(new_device)); /* -ENOMEM */ @@ -892,23 +890,39 @@ static void btrfs_close_one_device(struct btrfs_device *device) list_replace_rcu(&device->dev_list, &new_device->dev_list); new_device->fs_devices = device->fs_devices; - - call_rcu(&device->rcu, free_device); } static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices) { struct btrfs_device *device, *tmp; + struct list_head pending_put; + + INIT_LIST_HEAD(&pending_put); if (--fs_devices->opened > 0) return 0; mutex_lock(&fs_devices->device_list_mutex); list_for_each_entry_safe(device, tmp, &fs_devices->devices, dev_list) { - btrfs_close_one_device(device); + btrfs_prepare_close_one_device(device); + list_add(&device->dev_list, &pending_put); } mutex_unlock(&fs_devices->device_list_mutex); + /* + * btrfs_show_devname() is using the device_list_mutex, + * sometimes call to blkdev_put() leads vfs calling + * into this func. So do put outside of device_list_mutex, + * as of now. + */ + while (!list_empty(&pending_put)) { + device = list_first_entry(&pending_put, + struct btrfs_device, dev_list); + list_del(&device->dev_list); + btrfs_close_bdev(device); + call_rcu(&device->rcu, free_device); + } + WARN_ON(fs_devices->open_devices); WARN_ON(fs_devices->rw_devices); fs_devices->opened = 0; @@ -1140,12 +1154,12 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder, ret = device_list_add(path, disk_super, devid, fs_devices_ret); if (ret > 0) { if (disk_super->label[0]) { - printk(KERN_INFO "BTRFS: device label %s ", disk_super->label); + pr_info("BTRFS: device label %s ", disk_super->label); } else { - printk(KERN_INFO "BTRFS: device fsid %pU ", disk_super->fsid); + pr_info("BTRFS: device fsid %pU ", disk_super->fsid); } - printk(KERN_CONT "devid %llu transid %llu %s\n", devid, transid, path); + pr_cont("devid %llu transid %llu %s\n", devid, transid, path); ret = 0; } if (!ret && fs_devices_ret) @@ -1846,7 +1860,6 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid) u64 num_devices; int ret = 0; bool clear_super = false; - char *dev_name = NULL; mutex_lock(&uuid_mutex); @@ -1882,11 +1895,6 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid) list_del_init(&device->dev_alloc_list); device->fs_devices->rw_devices--; unlock_chunks(root); - dev_name = kstrdup(device->name->str, GFP_KERNEL); - if (!dev_name) { - ret = -ENOMEM; - goto error_undo; - } clear_super = true; } @@ -1936,14 +1944,21 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid) btrfs_sysfs_rm_device_link(root->fs_info->fs_devices, device); } - btrfs_close_bdev(device); - - call_rcu(&device->rcu, free_device); - num_devices = btrfs_super_num_devices(root->fs_info->super_copy) - 1; btrfs_set_super_num_devices(root->fs_info->super_copy, num_devices); mutex_unlock(&root->fs_info->fs_devices->device_list_mutex); + /* + * at this point, the device is zero sized and detached from + * the devices list. All that's left is to zero out the old + * supers and free the device. + */ + if (device->writeable) + btrfs_scratch_superblocks(device->bdev, device->name->str); + + btrfs_close_bdev(device); + call_rcu(&device->rcu, free_device); + if (cur_devices->open_devices == 0) { struct btrfs_fs_devices *fs_devices; fs_devices = root->fs_info->fs_devices; @@ -1962,24 +1977,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid) root->fs_info->num_tolerated_disk_barrier_failures = btrfs_calc_num_tolerated_disk_barrier_failures(root->fs_info); - /* - * at this point, the device is zero sized. We want to - * remove it from the devices list and zero out the old super - */ - if (clear_super) { - struct block_device *bdev; - - bdev = blkdev_get_by_path(dev_name, FMODE_READ | FMODE_EXCL, - root->fs_info->bdev_holder); - if (!IS_ERR(bdev)) { - btrfs_scratch_superblocks(bdev, dev_name); - blkdev_put(bdev, FMODE_READ | FMODE_EXCL); - } - } - out: - kfree(dev_name); - mutex_unlock(&uuid_mutex); return ret; @@ -2494,9 +2492,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) ret = btrfs_relocate_sys_chunks(root); if (ret < 0) btrfs_handle_fs_error(root->fs_info, ret, - "Failed to relocate sys chunks after " - "device initialization. This can be fixed " - "using the \"btrfs balance\" command."); + "Failed to relocate sys chunks after device initialization. This can be fixed using the \"btrfs balance\" command."); trans = btrfs_attach_transaction(root); if (IS_ERR(trans)) { if (PTR_ERR(trans) == -ENOENT) @@ -2555,7 +2551,8 @@ int btrfs_init_dev_replace_tgtdev(struct btrfs_root *root, char *device_path, devices = &fs_info->fs_devices->devices; list_for_each_entry(device, devices, dev_list) { if (device->bdev == bdev) { - btrfs_err(fs_info, "target device is in the filesystem!"); + btrfs_err(fs_info, + "target device is in the filesystem!"); ret = -EEXIST; goto error; } @@ -2564,7 +2561,8 @@ int btrfs_init_dev_replace_tgtdev(struct btrfs_root *root, char *device_path, if (i_size_read(bdev->bd_inode) < btrfs_device_get_total_bytes(srcdev)) { - btrfs_err(fs_info, "target device is smaller than source device!"); + btrfs_err(fs_info, + "target device is smaller than source device!"); ret = -EINVAL; goto error; } @@ -3698,7 +3696,7 @@ error: btrfs_free_path(path); if (enospc_errors) { btrfs_info(fs_info, "%d enospc errors during balance", - enospc_errors); + enospc_errors); if (!ret) ret = -ENOSPC; } @@ -3792,8 +3790,8 @@ int btrfs_balance(struct btrfs_balance_control *bctl, if (!(bctl->flags & BTRFS_BALANCE_DATA) || !(bctl->flags & BTRFS_BALANCE_METADATA) || memcmp(&bctl->data, &bctl->meta, sizeof(bctl->data))) { - btrfs_err(fs_info, "with mixed groups data and " - "metadata balance options must be the same"); + btrfs_err(fs_info, + "with mixed groups data and metadata balance options must be the same"); ret = -EINVAL; goto out; } @@ -3815,23 +3813,23 @@ int btrfs_balance(struct btrfs_balance_control *bctl, allowed |= (BTRFS_BLOCK_GROUP_RAID10 | BTRFS_BLOCK_GROUP_RAID6); if (validate_convert_profile(&bctl->data, allowed)) { - btrfs_err(fs_info, "unable to start balance with target " - "data profile %llu", - bctl->data.target); + btrfs_err(fs_info, + "unable to start balance with target data profile %llu", + bctl->data.target); ret = -EINVAL; goto out; } if (validate_convert_profile(&bctl->meta, allowed)) { btrfs_err(fs_info, - "unable to start balance with target metadata profile %llu", - bctl->meta.target); + "unable to start balance with target metadata profile %llu", + bctl->meta.target); ret = -EINVAL; goto out; } if (validate_convert_profile(&bctl->sys, allowed)) { btrfs_err(fs_info, - "unable to start balance with target system profile %llu", - bctl->sys.target); + "unable to start balance with target system profile %llu", + bctl->sys.target); ret = -EINVAL; goto out; } @@ -3851,10 +3849,11 @@ int btrfs_balance(struct btrfs_balance_control *bctl, (fs_info->avail_metadata_alloc_bits & allowed) && !(bctl->meta.target & allowed))) { if (bctl->flags & BTRFS_BALANCE_FORCE) { - btrfs_info(fs_info, "force reducing metadata integrity"); + btrfs_info(fs_info, + "force reducing metadata integrity"); } else { - btrfs_err(fs_info, "balance will reduce metadata " - "integrity, use force if you want this"); + btrfs_err(fs_info, + "balance will reduce metadata integrity, use force if you want this"); ret = -EINVAL; goto out; } @@ -3864,8 +3863,8 @@ int btrfs_balance(struct btrfs_balance_control *bctl, if (btrfs_get_num_tolerated_disk_barrier_failures(bctl->meta.target) < btrfs_get_num_tolerated_disk_barrier_failures(bctl->data.target)) { btrfs_warn(fs_info, - "metadata profile 0x%llx has lower redundancy than data profile 0x%llx", - bctl->meta.target, bctl->data.target); + "metadata profile 0x%llx has lower redundancy than data profile 0x%llx", + bctl->meta.target, bctl->data.target); } if (bctl->sys.flags & BTRFS_BALANCE_ARGS_CONVERT) { @@ -4221,7 +4220,7 @@ out: if (ret) btrfs_warn(fs_info, "btrfs_uuid_scan_kthread failed %d", ret); else - fs_info->update_uuid_tree_gen = 1; + set_bit(BTRFS_FS_UPDATE_UUID_TREE_GEN, &fs_info->flags); up(&fs_info->uuid_tree_rescan_sem); return 0; } @@ -4913,15 +4912,16 @@ int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans, read_unlock(&em_tree->lock); if (!em) { - btrfs_crit(extent_root->fs_info, "unable to find logical " - "%Lu len %Lu", chunk_offset, chunk_size); + btrfs_crit(extent_root->fs_info, + "unable to find logical %Lu len %Lu", + chunk_offset, chunk_size); return -EINVAL; } if (em->start != chunk_offset || em->len != chunk_size) { - btrfs_crit(extent_root->fs_info, "found a bad mapping, wanted" - " %Lu-%Lu, found %Lu-%Lu", chunk_offset, - chunk_size, em->start, em->len); + btrfs_crit(extent_root->fs_info, + "found a bad mapping, wanted %Lu-%Lu, found %Lu-%Lu", + chunk_offset, chunk_size, em->start, em->len); free_extent_map(em); return -EINVAL; } @@ -5154,9 +5154,9 @@ int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len) } if (em->start > logical || em->start + em->len < logical) { - btrfs_crit(fs_info, "Invalid mapping for %Lu-%Lu, got " - "%Lu-%Lu", logical, logical+len, em->start, - em->start + em->len); + btrfs_crit(fs_info, "Invalid mapping for %Lu-%Lu, got %Lu-%Lu", + logical, logical+len, em->start, + em->start + em->len); free_extent_map(em); return 1; } @@ -5370,9 +5370,9 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int op, } if (em->start > logical || em->start + em->len < logical) { - btrfs_crit(fs_info, "found a bad mapping, wanted %Lu, " - "found %Lu-%Lu", logical, em->start, - em->start + em->len); + btrfs_crit(fs_info, + "found a bad mapping, wanted %Lu, found %Lu-%Lu", + logical, em->start, em->start + em->len); free_extent_map(em); return -EINVAL; } @@ -5390,9 +5390,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int op, stripe_offset = stripe_nr * stripe_len; if (offset < stripe_offset) { - btrfs_crit(fs_info, "stripe math has gone wrong, " - "stripe_offset=%llu, offset=%llu, start=%llu, " - "logical=%llu, stripe_len=%llu", + btrfs_crit(fs_info, + "stripe math has gone wrong, stripe_offset=%llu, offset=%llu, start=%llu, logical=%llu, stripe_len=%llu", stripe_offset, offset, em->start, logical, stripe_len); free_extent_map(em); @@ -5642,8 +5641,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int op, mirror_num = stripe_index + 1; } if (stripe_index >= map->num_stripes) { - btrfs_crit(fs_info, "stripe index math went horribly wrong, " - "got stripe_index=%u, num_stripes=%u", + btrfs_crit(fs_info, + "stripe index math went horribly wrong, got stripe_index=%u, num_stripes=%u", stripe_index, map->num_stripes); ret = -EINVAL; goto out; @@ -5907,10 +5906,11 @@ int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int op, mirror_num, need_raid_map); } -int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree, +int btrfs_rmap_block(struct btrfs_fs_info *fs_info, u64 chunk_start, u64 physical, u64 devid, u64 **logical, int *naddrs, int *stripe_len) { + struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree; struct extent_map_tree *em_tree = &map_tree->map_tree; struct extent_map *em; struct map_lookup *map; @@ -5926,13 +5926,13 @@ int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree, read_unlock(&em_tree->lock); if (!em) { - printk(KERN_ERR "BTRFS: couldn't find em for chunk %Lu\n", - chunk_start); + btrfs_err(fs_info, "couldn't find em for chunk %Lu", + chunk_start); return -EIO; } if (em->start != chunk_start) { - printk(KERN_ERR "BTRFS: bad chunk start, em=%Lu, wanted=%Lu\n", + btrfs_err(fs_info, "bad chunk start, em=%Lu, wanted=%Lu", em->start, chunk_start); free_extent_map(em); return -EIO; @@ -6137,10 +6137,12 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, rcu_read_lock(); name = rcu_dereference(dev->name); - pr_debug("btrfs_map_bio: rw %d 0x%x, sector=%llu, dev=%lu " - "(%s id %llu), size=%u\n", bio_op(bio), bio->bi_opf, - (u64)bio->bi_iter.bi_sector, (u_long)dev->bdev->bd_dev, - name->str, dev->devid, bio->bi_iter.bi_size); + btrfs_debug(fs_info, + "btrfs_map_bio: rw %d 0x%x, sector=%llu, dev=%lu (%s id %llu), size=%u", + bio_op(bio), bio->bi_opf, + (u64)bio->bi_iter.bi_sector, + (u_long)dev->bdev->bd_dev, name->str, dev->devid, + bio->bi_iter.bi_size); rcu_read_unlock(); } #endif @@ -6215,8 +6217,9 @@ int btrfs_map_bio(struct btrfs_root *root, struct bio *bio, } if (map_length < length) { - btrfs_crit(root->fs_info, "mapping failed logical %llu bio len %llu len %llu", - logical, length, map_length); + btrfs_crit(root->fs_info, + "mapping failed logical %llu bio len %llu len %llu", + logical, length, map_length); BUG(); } @@ -6483,8 +6486,9 @@ static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key, free_extent_map(em); return -EIO; } - btrfs_warn(root->fs_info, "devid %llu uuid %pU is missing", - devid, uuid); + btrfs_warn(root->fs_info, + "devid %llu uuid %pU is missing", + devid, uuid); } map->stripes[i].dev->in_fs_metadata = 1; } @@ -6661,7 +6665,8 @@ static int read_one_dev(struct btrfs_root *root, int btrfs_read_sys_array(struct btrfs_root *root) { - struct btrfs_super_block *super_copy = root->fs_info->super_copy; + struct btrfs_fs_info *fs_info = root->fs_info; + struct btrfs_super_block *super_copy = fs_info->super_copy; struct extent_buffer *sb; struct btrfs_disk_key *disk_key; struct btrfs_chunk *chunk; @@ -6732,8 +6737,8 @@ int btrfs_read_sys_array(struct btrfs_root *root) num_stripes = btrfs_chunk_num_stripes(sb, chunk); if (!num_stripes) { - printk(KERN_ERR - "BTRFS: invalid number of stripes %u in sys_array at offset %u\n", + btrfs_err(fs_info, + "invalid number of stripes %u in sys_array at offset %u", num_stripes, cur_offset); ret = -EIO; break; @@ -6741,7 +6746,7 @@ int btrfs_read_sys_array(struct btrfs_root *root) type = btrfs_chunk_type(sb, chunk); if ((type & BTRFS_BLOCK_GROUP_SYSTEM) == 0) { - btrfs_err(root->fs_info, + btrfs_err(fs_info, "invalid chunk type %llu in sys_array at offset %u", type, cur_offset); ret = -EIO; @@ -6756,9 +6761,9 @@ int btrfs_read_sys_array(struct btrfs_root *root) if (ret) break; } else { - printk(KERN_ERR - "BTRFS: unexpected item type %u in sys_array at offset %u\n", - (u32)key.type, cur_offset); + btrfs_err(fs_info, + "unexpected item type %u in sys_array at offset %u", + (u32)key.type, cur_offset); ret = -EIO; break; } @@ -6771,7 +6776,7 @@ int btrfs_read_sys_array(struct btrfs_root *root) return ret; out_short_read: - printk(KERN_ERR "BTRFS: sys_array too short to read %u bytes at offset %u\n", + btrfs_err(fs_info, "sys_array too short to read %u bytes at offset %u", len, cur_offset); clear_extent_buffer_uptodate(sb); free_extent_buffer_stale(sb); @@ -7095,10 +7100,12 @@ int btrfs_get_dev_stats(struct btrfs_root *root, mutex_unlock(&fs_devices->device_list_mutex); if (!dev) { - btrfs_warn(root->fs_info, "get dev_stats failed, device not found"); + btrfs_warn(root->fs_info, + "get dev_stats failed, device not found"); return -ENODEV; } else if (!dev->dev_stats_valid) { - btrfs_warn(root->fs_info, "get dev_stats failed, not yet valid"); + btrfs_warn(root->fs_info, + "get dev_stats failed, not yet valid"); return -ENODEV; } else if (stats->flags & BTRFS_DEV_STATS_RESET) { for (i = 0; i < BTRFS_DEV_STAT_VALUES_MAX; i++) { diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 6613e6335ca2..09ed29c67848 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -382,7 +382,7 @@ int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int op, u64 logical, u64 *length, struct btrfs_bio **bbio_ret, int mirror_num, int need_raid_map); -int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree, +int btrfs_rmap_block(struct btrfs_fs_info *fs_info, u64 chunk_start, u64 physical, u64 devid, u64 **logical, int *naddrs, int *stripe_len); int btrfs_read_sys_array(struct btrfs_root *root); diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c index 88d274e8ecf2..441b81a3e545 100644 --- a/fs/btrfs/zlib.c +++ b/fs/btrfs/zlib.c @@ -95,7 +95,7 @@ static int zlib_compress_pages(struct list_head *ws, *total_in = 0; if (Z_OK != zlib_deflateInit(&workspace->strm, 3)) { - printk(KERN_WARNING "BTRFS: deflateInit failed\n"); + pr_warn("BTRFS: deflateInit failed\n"); ret = -EIO; goto out; } @@ -123,7 +123,7 @@ static int zlib_compress_pages(struct list_head *ws, while (workspace->strm.total_in < len) { ret = zlib_deflate(&workspace->strm, Z_SYNC_FLUSH); if (ret != Z_OK) { - printk(KERN_DEBUG "BTRFS: deflate in loop returned %d\n", + pr_debug("BTRFS: deflate in loop returned %d\n", ret); zlib_deflateEnd(&workspace->strm); ret = -EIO; @@ -249,7 +249,7 @@ static int zlib_decompress_biovec(struct list_head *ws, struct page **pages_in, } if (Z_OK != zlib_inflateInit2(&workspace->strm, wbits)) { - printk(KERN_WARNING "BTRFS: inflateInit failed\n"); + pr_warn("BTRFS: inflateInit failed\n"); return -EIO; } while (workspace->strm.total_in < srclen) { @@ -339,7 +339,7 @@ static int zlib_decompress(struct list_head *ws, unsigned char *data_in, } if (Z_OK != zlib_inflateInit2(&workspace->strm, wbits)) { - printk(KERN_WARNING "BTRFS: inflateInit failed\n"); + pr_warn("BTRFS: inflateInit failed\n"); return -EIO; } |