1 files changed, 8 insertions, 0 deletions

diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index ee181989d444..66e4f29505a3 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -664,6 +664,9 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info,
                                    num_bytes, parent, ref_root, level, action,
                                    for_cow);
         BUG_ON(ret);
+        if (!need_ref_seq(for_cow, ref_root) &&
+            waitqueue_active(&delayed_refs->seq_wait))
+                wake_up(&delayed_refs->seq_wait);
         spin_unlock(&delayed_refs->lock);
         return 0;
 }
@@ -712,6 +715,9 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info,
                                    num_bytes, parent, ref_root, owner, offset,
                                    action, for_cow);
         BUG_ON(ret);
+        if (!need_ref_seq(for_cow, ref_root) &&
+            waitqueue_active(&delayed_refs->seq_wait))
+                wake_up(&delayed_refs->seq_wait);
         spin_unlock(&delayed_refs->lock);
         return 0;
 }
@@ -739,6 +745,8 @@ int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info,
                                    extent_op->is_data);
         BUG_ON(ret);
 
+        if (waitqueue_active(&delayed_refs->seq_wait))
+                wake_up(&delayed_refs->seq_wait);
         spin_unlock(&delayed_refs->lock);
         return 0;
 }