dm delay: Use DM_MAPIO macros instead of open-coded equivalents

.map function of dm-delay returns return value of delay_bio(),
hence it's supposed to return using a defined DM_MAPIO macro.

Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Acked-By: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index b34f6e27293d..e10f69a22c46 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -237,7 +237,7 @@ static int delay_bio(struct delay_c *dc, int delay, struct bio *bio)
         unsigned long expires = 0;
 
         if (!delay || !atomic_read(&dc->may_delay))
-                return 1;
+                return DM_MAPIO_REMAPPED;
 
         delayed = dm_per_bio_data(bio, sizeof(struct dm_delay_info));
 
@@ -257,7 +257,7 @@ static int delay_bio(struct delay_c *dc, int delay, struct bio *bio)
 
         queue_timeout(dc, expires);
 
-        return 0;
+        return DM_MAPIO_SUBMITTED;
 }
 
 static void delay_presuspend(struct dm_target *ti)