From: Christoph Hellwig <hch@lst.de>
Date: Mon, 14 Apr 2014 08:30:07 +0000 (+0200)
Subject: blk-mq: do not initialize req->special
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~47^2~72
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d74e25737d73e93ccddeb5a61bcd56b7b8eb57b;p=pandora-kernel.git

blk-mq: do not initialize req->special

Drivers can reach their private data easily using the blk_mq_rq_to_pdu
helper and don't need req->special.  By not initializing it code can
be simplified nicely, and we also shave off a few more instructions from
the I/O path.

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