diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/extent_io.c | 6 | ||||
| -rw-r--r-- | fs/btrfs/fs.h | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 5698282c1787..5e5852a4ffb5 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -3454,6 +3454,12 @@ static int check_eb_alignment(struct btrfs_fs_info *fs_info, u64 start) start, fs_info->nodesize); return -EINVAL; } + if (!IS_ALIGNED(start, fs_info->nodesize) && + !test_and_set_bit(BTRFS_FS_UNALIGNED_TREE_BLOCK, &fs_info->flags)) { + btrfs_warn(fs_info, +"tree block not nodesize aligned, start %llu nodesize %u, can be resolved by a full metadata balance", + start, fs_info->nodesize); + } return 0; } diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h index d84a390336fc..5559c33cd53a 100644 --- a/fs/btrfs/fs.h +++ b/fs/btrfs/fs.h @@ -139,6 +139,12 @@ enum { */ BTRFS_FS_FEATURE_CHANGED, + /* + * Indicate that we have found a tree block which is only aligned to + * sectorsize, but not to nodesize. This should be rare nowadays. + */ + BTRFS_FS_UNALIGNED_TREE_BLOCK, + #if BITS_PER_LONG == 32 /* Indicate if we have error/warn message printed on 32bit systems */ BTRFS_FS_32BIT_ERROR, |