From: Christoph Hellwig <hch@lst.de>
Date: Mon, 26 May 2014 09:45:02 +0000 (+0200)
Subject: blk-mq: idle all hardware contexts before freeing a queue
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~49^2~25
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19c5d84f14d2;p=pandora-kernel.git

blk-mq: idle all hardware contexts before freeing a queue

Without this we can leak the active_queues reference if a command is
freed while it is considered active.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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