From f2298c0403b0dfcaef637eba0c02c4a06d7a25ab Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 25 Oct 2013 11:52:25 +0100
Subject: [PATCH] null_blk: multi queue aware block test driver

A driver that simply completes IO it receives, it does no
transfers. Written to fascilitate testing of the blk-mq code.
It supports various module options to use either bio queueing,
rq queueing, or mq mode.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
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