Btrfs: deal with errors from updating the tree log

During unlink we remove any references to the inode from
the tree log.  It can return -ENOENT and other errors,
and this changes the unlink code to deal with it.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 609f3bbbd1ed..5132c9af888a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2676,7 +2676,8 @@ int btrfs_unlink_inode(struct btrfs_trans_handle *trans,
 
         ret = btrfs_del_dir_entries_in_log(trans, root, name, name_len,
                                            dir, index);
-        BUG_ON(ret);
+        if (ret == -ENOENT)
+                ret = 0;
 err:
         btrfs_free_path(path);
         if (ret)