[PATCH 2/2 linux-next] btrfs: use swap() in merge_ref()

[Fabian Frederick]

Use kernel.h macro definition.

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
 fs/btrfs/delayed-ref.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 8f8ed7d..97c5a19 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -301,11 +301,7 @@ static int merge_ref(struct btrfs_trans_handle *trans,
 			mod = next->ref_mod;
 		} else {
 			if (ref->ref_mod < next->ref_mod) {
-				struct btrfs_delayed_ref_node *tmp;
-
-				tmp = ref;
-				ref = next;
-				next = tmp;
+				swap(ref, next);
 				done = 1;
 			}
 			mod = -next->ref_mod;
-- 
2.4.0

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