block: Make blk_mq_delay_kick_requeue_list() rerun the queue at a quiet time
authorBart Van Assche <bart.vanassche@wdc.com>
Wed, 9 Aug 2017 18:28:06 +0000 (11:28 -0700)
committerJens Axboe <axboe@kernel.dk>
Thu, 10 Aug 2017 02:24:38 +0000 (20:24 -0600)
commitd4acf3650c7c968f46ad932b9a25d1cc24cf4998
tree18465ad13b79062a7fe91c5d6ef47bec9742656c
parentf86e28c4dc8d475cb82ca8d018daaa1564534aad
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>
block/blk-mq.c