Commit 407df2aa authored Nov 10, 2005 by Tejun Heo Committed by Jens Axboe Nov 12, 2005

[BLOCK] elevator: run queue in elevator_switch



elevator_dispatch needs to run queue after forced dispatching;
otherwise, the queue might stall.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>

parent 47a00410

block/elevator.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -696,6 +696,8 @@ static void elevator_switch(request_queue_t q, struct elevator_type new_e)
		;

		while (q->rq.elvpriv) {
		blk_remove_plug(q);
		q->request_fn(q);
		spin_unlock_irq(q->queue_lock);
		msleep(10);
		spin_lock_irq(q->queue_lock);