From: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Date: Tue, 27 Oct 2015 19:38:55 +0000 (+0900)
Subject: dm delay: Use DM_MAPIO macros instead of open-coded equivalents
X-Git-Tag: v4.14-rc1~4423^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=340c9ec09b21c29e1e53284acc8993ddf6fc5b2a;p=platform%2Fkernel%2Flinux-rpi.git

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>
---

diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index b34f6e2..e10f69a 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)