From 2c30540b38d683d4c7f06d13a451f67d4362d7b1 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@fb.com>
Date: Fri, 14 Nov 2014 09:47:32 -0700
Subject: [PATCH] NVMe: add ->exit_hctx() hook

If we do teardown and setup of the queue and block related parts
of the driver, then we should clear nvmeq->hctx once we kill the
hardware queue.

Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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