* [PATCH] blk: run queue in elevator_switch
@ 2005-11-09 17:13 Tejun Heo
2005-11-10 7:45 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Tejun Heo @ 2005-11-09 17:13 UTC (permalink / raw)
To: axboe, linux-kernel
elevator_dispatch needs to run queue after forced dispatching;
otherwise, the queue might stall.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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);
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2005-11-09 17:13 [PATCH] blk: run queue in elevator_switch Tejun Heo
2005-11-10 7:45 ` Jens Axboe
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