btrfs: move ref_mod modification into the if (ref) logic

We only use this logic if our ref isn't a ref_head, so move it up into
the if (ref) case since we know that this is a normal ref and not a
delayed ref head.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 5e61e9287b0e..0dcbbeacaadc 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2744,10 +2744,6 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
                         list_del(&ref->list);
                         if (!list_empty(&ref->add_list))
                                 list_del(&ref->add_list);
-                }
-                atomic_dec(&delayed_refs->num_entries);
-
-                if (!btrfs_delayed_ref_is_head(ref)) {
                         /*
                          * when we play the delayed ref, also correct the
                          * ref_mod on head
@@ -2764,6 +2760,8 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
                                 WARN_ON(1);
                         }
                 }
+                atomic_dec(&delayed_refs->num_entries);
+
                 /*
                  * Record the must-insert_reserved flag before we drop the spin
                  * lock.