From 19c5d84f14d2b01fe4c24e1444142f69e6dc08f6 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 26 May 2014 11:45:02 +0200
Subject: [PATCH] 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>
---
Reading git-format-patch failed