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-rw-r--r--fs/btrfs/transaction.c76
1 files changed, 35 insertions, 41 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 85f359e0e0a7..3388c836b9a5 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -426,7 +426,7 @@ static int record_root_in_trans(struct btrfs_trans_handle *trans,
return 0;
}
radix_tree_tag_set(&fs_info->fs_roots_radix,
- (unsigned long)root->root_key.objectid,
+ (unsigned long)btrfs_root_id(root),
BTRFS_ROOT_TRANS_TAG);
spin_unlock(&fs_info->fs_roots_radix_lock);
root->last_trans = trans->transid;
@@ -472,7 +472,7 @@ void btrfs_add_dropped_root(struct btrfs_trans_handle *trans,
/* Make sure we don't try to update the root at commit time */
spin_lock(&fs_info->fs_roots_radix_lock);
radix_tree_tag_clear(&fs_info->fs_roots_radix,
- (unsigned long)root->root_key.objectid,
+ (unsigned long)btrfs_root_id(root),
BTRFS_ROOT_TRANS_TAG);
spin_unlock(&fs_info->fs_roots_radix_lock);
}
@@ -550,7 +550,7 @@ static inline bool need_reserve_reloc_root(struct btrfs_root *root)
if (!fs_info->reloc_ctl ||
!test_bit(BTRFS_ROOT_SHAREABLE, &root->state) ||
- root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID ||
+ btrfs_root_id(root) == BTRFS_TREE_RELOC_OBJECTID ||
root->reloc_root)
return false;
@@ -1052,7 +1052,7 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
{
struct btrfs_fs_info *info = trans->fs_info;
struct btrfs_transaction *cur_trans = trans->transaction;
- int err = 0;
+ int ret = 0;
if (refcount_read(&trans->use_count) > 1) {
refcount_dec(&trans->use_count);
@@ -1091,13 +1091,13 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
if (TRANS_ABORTED(trans) || BTRFS_FS_ERROR(info)) {
wake_up_process(info->transaction_kthread);
if (TRANS_ABORTED(trans))
- err = trans->aborted;
+ ret = trans->aborted;
else
- err = -EROFS;
+ ret = -EROFS;
}
kmem_cache_free(btrfs_trans_handle_cachep, trans);
- return err;
+ return ret;
}
int btrfs_end_transaction(struct btrfs_trans_handle *trans)
@@ -1118,8 +1118,7 @@ int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans)
int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info,
struct extent_io_tree *dirty_pages, int mark)
{
- int err = 0;
- int werr = 0;
+ int ret = 0;
struct address_space *mapping = fs_info->btree_inode->i_mapping;
struct extent_state *cached_state = NULL;
u64 start = 0;
@@ -1129,7 +1128,7 @@ int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info,
mark, &cached_state)) {
bool wait_writeback = false;
- err = convert_extent_bit(dirty_pages, start, end,
+ ret = convert_extent_bit(dirty_pages, start, end,
EXTENT_NEED_WAIT,
mark, &cached_state);
/*
@@ -1145,22 +1144,22 @@ int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info,
* We cleanup any entries left in the io tree when committing
* the transaction (through extent_io_tree_release()).
*/
- if (err == -ENOMEM) {
- err = 0;
+ if (ret == -ENOMEM) {
+ ret = 0;
wait_writeback = true;
}
- if (!err)
- err = filemap_fdatawrite_range(mapping, start, end);
- if (err)
- werr = err;
- else if (wait_writeback)
- werr = filemap_fdatawait_range(mapping, start, end);
+ if (!ret)
+ ret = filemap_fdatawrite_range(mapping, start, end);
+ if (!ret && wait_writeback)
+ ret = filemap_fdatawait_range(mapping, start, end);
free_extent_state(cached_state);
+ if (ret)
+ break;
cached_state = NULL;
cond_resched();
start = end + 1;
}
- return werr;
+ return ret;
}
/*
@@ -1172,12 +1171,11 @@ int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info,
static int __btrfs_wait_marked_extents(struct btrfs_fs_info *fs_info,
struct extent_io_tree *dirty_pages)
{
- int err = 0;
- int werr = 0;
struct address_space *mapping = fs_info->btree_inode->i_mapping;
struct extent_state *cached_state = NULL;
u64 start = 0;
u64 end;
+ int ret = 0;
while (find_first_extent_bit(dirty_pages, start, &start, &end,
EXTENT_NEED_WAIT, &cached_state)) {
@@ -1189,22 +1187,20 @@ static int __btrfs_wait_marked_extents(struct btrfs_fs_info *fs_info,
* concurrently - we do it only at transaction commit time when
* it's safe to do it (through extent_io_tree_release()).
*/
- err = clear_extent_bit(dirty_pages, start, end,
+ ret = clear_extent_bit(dirty_pages, start, end,
EXTENT_NEED_WAIT, &cached_state);
- if (err == -ENOMEM)
- err = 0;
- if (!err)
- err = filemap_fdatawait_range(mapping, start, end);
- if (err)
- werr = err;
+ if (ret == -ENOMEM)
+ ret = 0;
+ if (!ret)
+ ret = filemap_fdatawait_range(mapping, start, end);
free_extent_state(cached_state);
+ if (ret)
+ break;
cached_state = NULL;
cond_resched();
start = end + 1;
}
- if (err)
- werr = err;
- return werr;
+ return ret;
}
static int btrfs_wait_extents(struct btrfs_fs_info *fs_info,
@@ -1229,7 +1225,7 @@ int btrfs_wait_tree_log_extents(struct btrfs_root *log_root, int mark)
bool errors = false;
int err;
- ASSERT(log_root->root_key.objectid == BTRFS_TREE_LOG_OBJECTID);
+ ASSERT(btrfs_root_id(log_root) == BTRFS_TREE_LOG_OBJECTID);
err = __btrfs_wait_marked_extents(fs_info, dirty_pages);
if ((mark & EXTENT_DIRTY) &&
@@ -1492,7 +1488,7 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans)
ASSERT(atomic_read(&root->log_commit[1]) == 0);
radix_tree_tag_clear(&fs_info->fs_roots_radix,
- (unsigned long)root->root_key.objectid,
+ (unsigned long)btrfs_root_id(root),
BTRFS_ROOT_TRANS_TAG);
btrfs_qgroup_free_meta_all_pertrans(root);
spin_unlock(&fs_info->fs_roots_radix_lock);
@@ -1583,8 +1579,8 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans,
goto out;
/* Now qgroup are all updated, we can inherit it to new qgroups */
- ret = btrfs_qgroup_inherit(trans, src->root_key.objectid, dst_objectid,
- parent->root_key.objectid, inherit);
+ ret = btrfs_qgroup_inherit(trans, btrfs_root_id(src), dst_objectid,
+ btrfs_root_id(parent), inherit);
if (ret < 0)
goto out;
@@ -1822,7 +1818,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
* insert root back/forward references
*/
ret = btrfs_add_root_ref(trans, objectid,
- parent_root->root_key.objectid,
+ btrfs_root_id(parent_root),
btrfs_ino(BTRFS_I(parent_inode)), index,
&fname.disk_name);
if (ret) {
@@ -1855,16 +1851,14 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
ret = qgroup_account_snapshot(trans, root, parent_root,
pending->inherit, objectid);
else if (btrfs_qgroup_mode(fs_info) == BTRFS_QGROUP_MODE_SIMPLE)
- ret = btrfs_qgroup_inherit(trans, root->root_key.objectid, objectid,
- parent_root->root_key.objectid, pending->inherit);
+ ret = btrfs_qgroup_inherit(trans, btrfs_root_id(root), objectid,
+ btrfs_root_id(parent_root), pending->inherit);
if (ret < 0)
goto fail;
ret = btrfs_insert_dir_item(trans, &fname.disk_name,
BTRFS_I(parent_inode), &key, BTRFS_FT_DIR,
index);
- /* We have check then name at the beginning, so it is impossible. */
- BUG_ON(ret == -EEXIST || ret == -EOVERFLOW);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto fail;
@@ -2625,7 +2619,7 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_fs_info *fs_info)
list_del_init(&root->root_list);
spin_unlock(&fs_info->trans_lock);
- btrfs_debug(fs_info, "cleaner removing %llu", root->root_key.objectid);
+ btrfs_debug(fs_info, "cleaner removing %llu", btrfs_root_id(root));
btrfs_kill_all_delayed_nodes(root);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 23:11:48 +0000