diff options
| -rw-r--r-- | fs/btrfs/block-group.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index e9e455fd528a..78cae9f9deca 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -1522,6 +1522,13 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) * outstanding allocations in this block group. We do * the ro check in case balance is currently acting on * this block group. + * + * Also bail out if this is the only block group for its + * type, because otherwise we would lose profile + * information from fs_info->avail_*_alloc_bits and the + * next block group of this type would be created with a + * "single" profile (even if we're in a raid fs) because + * fs_info->avail_*_alloc_bits would be 0. */ trace_btrfs_skip_unused_block_group(block_group); spin_unlock(&block_group->lock); |