1 files changed, 3 insertions, 0 deletions

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 721936a5b2ca..30d24cfb45d4 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -185,6 +185,9 @@ static int __add_prelim_ref(struct list_head *head, u64 root_id,
 {
         struct __prelim_ref *ref;
 
+        if (root_id == BTRFS_DATA_RELOC_TREE_OBJECTID)
+                return 0;
+
         ref = kmem_cache_alloc(btrfs_prelim_ref_cache, gfp_mask);
         if (!ref)
                 return -ENOMEM;