btrfs: print more details when checking tree block finds a problem
For easier debugging, print eb->start if level is invalid. Also make
clear if bytenr found is not expected.
Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 2de3da7..c77afa9 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -615,8 +615,8 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio,
found_start = btrfs_header_bytenr(eb);
if (found_start != eb->start) {
- btrfs_err_rl(fs_info, "bad tree block start %llu %llu",
- found_start, eb->start);
+ btrfs_err_rl(fs_info, "bad tree block start, want %llu have %llu",
+ eb->start, found_start);
ret = -EIO;
goto err;
}
@@ -628,8 +628,8 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio,
}
found_level = btrfs_header_level(eb);
if (found_level >= BTRFS_MAX_LEVEL) {
- btrfs_err(fs_info, "bad tree block level %d",
- (int)btrfs_header_level(eb));
+ btrfs_err(fs_info, "bad tree block level %d on %llu",
+ (int)btrfs_header_level(eb), eb->start);
ret = -EIO;
goto err;
}