diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/ref-verify.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/ref-verify.c b/fs/btrfs/ref-verify.c index 454a1015d026..7887317033c9 100644 --- a/fs/btrfs/ref-verify.c +++ b/fs/btrfs/ref-verify.c @@ -803,6 +803,15 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info, kfree(ref); kfree(ra); goto out_unlock; + } else if (be->num_refs == 0) { + btrfs_err(fs_info, + "trying to do action %d for a bytenr that has 0 total references", + action); + dump_block_entry(fs_info, be); + dump_ref_action(fs_info, ra); + kfree(ref); + kfree(ra); + goto out_unlock; } if (!parent) { |