[PATCH] blk: run queue in elevator_switch

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

Signed-off-by: Tejun Heo <[email protected]>

diff --git a/block/elevator.c b/block/elevator.c
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -695,6 +695,8 @@ static void elevator_switch(request_queu
 		;
 
 	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);
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • Re: [PATCH] blk: run queue in elevator_switch
    • From: Jens Axboe <[email protected]>

• Prev by Date: Re: [PATCH 0/39] NLKD - Novell Linux Kernel Debugger
• Next by Date: Re: [stable] Re: Linux 2.6.14.1
• Previous by thread: [PATCH] blk: fix string handling in elv_iosched_store
• Next by thread: Re: [PATCH] blk: run queue in elevator_switch
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]