1 files changed, 10 insertions, 0 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index f16411d3c252..ba58024d40d3 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2252,6 +2252,16 @@ static noinline int run_clustered_refs(struct btrfs_trans_handle *trans,
                 }
 
                 /*
+                 * We need to try and merge add/drops of the same ref since we
+                 * can run into issues with relocate dropping the implicit ref
+                 * and then it being added back again before the drop can
+                 * finish.  If we merged anything we need to re-loop so we can
+                 * get a good ref.
+                 */
+                btrfs_merge_delayed_refs(trans, fs_info, delayed_refs,
+                                         locked_ref);
+
+                /*
                  * locked_ref is the head node, so we have to go one
                  * node back for any delayed ref updates
                  */