ublk: mention WRITE_ZEROES in comment of ublk_complete_rq()

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@linux.alibaba.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230207070839.370817-3-ZiyangZhang@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 55fccce..06eddef 100644 (file)
--- 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.