On 05/19/2016 08:38 AM, Wenwei Tao wrote:
From: Wenwei Tao <ww.tao0320@xxxxxxxxx>
Break the loop when rqd is not null to reduce
unnecessary schedule.
Signed-off-by: Wenwei Tao <ww.tao0320@xxxxxxxxx>
---
drivers/lightnvm/rrpc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 2103e97..2915e39 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -98,6 +98,9 @@ static void rrpc_discard(struct rrpc *rrpc, struct bio *bio)
do {
rqd = rrpc_inflight_laddr_acquire(rrpc, slba, len);
+ if (rqd)
+ break;
+
schedule();
} while (!rqd);
If that case, mind if I convert the do..while to while?
while(1) {
rqd = rrpc_inflight_laddr_acquire(rrpc, slba, len);
if (rqd)
break;
schedule();
}
--
To unsubscribe from this list: send the line "unsubscribe linux-block" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
