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authorBart Van Assche <bart.vanassche@wdc.com>2017-08-09 11:28:06 -0700
committerJens Axboe <axboe@kernel.dk>2017-08-09 20:24:38 -0600
commitd4acf3650c7c968f46ad932b9a25d1cc24cf4998 (patch)
tree18465ad13b79062a7fe91c5d6ef47bec9742656c
parentf86e28c4dc8d475cb82ca8d018daaa1564534aad (diff)
downloadlinux-stericsson-d4acf3650c7c968f46ad932b9a25d1cc24cf4998.tar.gz
block: Make blk_mq_delay_kick_requeue_list() rerun the queue at a quiet time
The blk_mq_delay_kick_requeue_list() function is used by the device mapper and only by the device mapper to rerun the queue and requeue list after a delay. This function is called once per request that gets requeued. Modify this function such that the queue is run once per path change event instead of once per request that is requeued. Fixes: commit 2849450ad39d ("blk-mq: introduce blk_mq_delay_kick_requeue_list()") Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Mike Snitzer <snitzer@redhat.com> Cc: Laurence Oberman <loberman@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/blk-mq.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 211ef367345f..535cbdf32aab 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -684,8 +684,8 @@ EXPORT_SYMBOL(blk_mq_kick_requeue_list);
void blk_mq_delay_kick_requeue_list(struct request_queue *q,
unsigned long msecs)
{
- kblockd_schedule_delayed_work(&q->requeue_work,
- msecs_to_jiffies(msecs));
+ kblockd_mod_delayed_work_on(WORK_CPU_UNBOUND, &q->requeue_work,
+ msecs_to_jiffies(msecs));
}
EXPORT_SYMBOL(blk_mq_delay_kick_requeue_list);