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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-11 11:23:06 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-11 11:23:06 -0700 |
commit | f29135b54bcbfe1fea97d94e2ae860bade1d5a31 (patch) | |
tree | cd6cf1887c689b0fdd802bb8f16d3253adbc54c0 /fs/btrfs/send.c | |
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
...
Diffstat (limited to 'fs/btrfs/send.c')
-rw-r--r-- | fs/btrfs/send.c | 79 |
1 files changed, 41 insertions, 38 deletions
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) |