[PATCH RESEND 2/3] ublk: mention WRITE_ZEROES in comment of ublk_complete_rq()

[Ziyang Zhang]

WRITE_ZEROES won't return bytes returned just like FLUSH and DISCARD,
and we can end it directly. Add missing comment for it in
ublk_complete_rq().

Signed-off-by: Ziyang Zhang <ZiyangZhang@xxxxxxxxxxxxxxxxx>
---
 drivers/block/ublk_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 55fccce68a9c..06eddefdf02a 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -665,7 +665,7 @@ static void ublk_complete_rq(struct request *req)
 	}
 
 	/*
-	 * FLUSH or DISCARD usually won't return bytes returned, so end them
+	 * FLUSH, DISCARD or WRITE_ZEROES usually won't return bytes returned, so end them
 	 * directly.
 	 *
 	 * Both the two needn't unmap.
-- 
2.18.4