[PATCH 4/4] elevator: use list_is_{first,last}
From: Geliang Tang <hidden>
Date: 2015-12-10 14:23:05
Also in:
lkml, netfilter-devel
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
For better readability, use list_is_{first,last}() instead of open-coded.
Signed-off-by: Geliang Tang <redacted>
---
block/noop-iosched.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/block/noop-iosched.c b/block/noop-iosched.c
index a163c48..d44326e 100644
--- a/block/noop-iosched.c
+++ b/block/noop-iosched.c@@ -44,7 +44,7 @@ noop_former_request(struct request_queue *q, struct request *rq) { struct noop_data *nd = q->elevator->elevator_data; - if (rq->queuelist.prev == &nd->queue) + if (list_is_first(&rq->queuelist, &nd->queue)) return NULL; return list_prev_entry(rq, queuelist); }
@@ -54,7 +54,7 @@ noop_latter_request(struct request_queue *q, struct request *rq) { struct noop_data *nd = q->elevator->elevator_data; - if (rq->queuelist.next == &nd->queue) + if (list_is_last(&rq->queuelist, &nd->queue)) return NULL; return list_next_entry(rq, queuelist); }
--
2.5.0