From 8f5280f4ee75333ca12bde99ef6280ff65a8af43 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Fri, 13 Jun 2014 19:43:04 +0200
Subject: [PATCH] blk-mq: properly drain stopped queues

If we need to drain a queue we need to run all queues, even if they
are marked stopped to make sure the driver has a chance to error out
on all queued requests.

This fixes surprise removal with scsi-mq.

Reported-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Bart Van Assche <bvanassche@acm.org>

Signed-off-by: Jens Axboe <axboe@fb.com>
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