commit 407df2aa29a33fe16f6ee4bac8cdfa414783b9f1
author Tejun Heo <htejun@gmail.com> Thu Nov 10 08:48:21 2005 +0100
committer Jens Axboe <axboe@nelson.home.kernel.dk> Sat Nov 12 10:55:37 2005 +0100
tree 137e536d79e9fc777adc8c5bde842fea8b53d88a
parent 47a004103d663bbba8c7c433a710a86f44351cf3

[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>

block/elevator.c

diff --git a/block/elevator.c b/block/elevator.c
index e58928e..a475b1a 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -696,6 +696,8 @@
 		;
 
 	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);