tree 8f26e4e6c720eb7b9b707f3e73b6914fc4e22720
parent 21491412f2ec6f13d4104de734dec0ba659d092e
author Jens Axboe <axboe@fb.com> 1451332967 -0700
committer Jens Axboe <axboe@fb.com> 1451333229 -0700

null_blk: use async queue restart helper

If null_blk is run in NULL_IRQ_TIMER mode and with queue_mode NULL_Q_RQ,
we need to restart the queue from the hrtimer interrupt. We can't
directly invoke the request_fn from that context, so punt the queue run
to async kblockd context.

Tested-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Jens Axboe <axboe@fb.com>