Commit 336c3d8c authored Oct 01, 2008 by Elias Oltmanns Committed by Jens Axboe Oct 09, 2008

block: Fix blk_start_queueing() to not kick a stopped queue



blk_start_queueing() should act like the generic queue unplugging
and kicking and ignore a stopped queue. Such a queue may not be
run until after a call to blk_start_queue().

Signed-off-by: Elias Oltmanns <eo@nebensachen.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

parent c0ddffa8

block/blk-core.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -890,9 +890,11 @@ EXPORT_SYMBOL(blk_get_request);
		*/
		void blk_start_queueing(struct request_queue *q)
		{
		if (!blk_queue_plugged(q))
		if (!blk_queue_plugged(q)) {
		if (unlikely(blk_queue_stopped(q)))
		return;
		q->request_fn(q);
		else
		} else
		__generic_unplug_device(q);
		}
		EXPORT_SYMBOL(blk_start_queueing);