From: Jan Kara <jack@suse.cz>
Date: Mon, 24 Feb 2014 15:39:54 +0000 (+0100)
Subject: block: Stop abusing rq->csd.list in blk-softirq
X-Git-Tag: v3.15-rc1~135^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6d113398dcf4dfcd9787a4ead738b186f7b7ff0f;p=pandora-kernel.git

block: Stop abusing rq->csd.list in blk-softirq

Abusing rq->csd.list for a list of requests to complete is rather ugly.
We use rq->queuelist instead which is much cleaner. It is safe because
queuelist is used by the block layer only for requests waiting to be
submitted to a device. Thus it is unused when irq reports the request IO
is finished.

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jens Axboe <axboe@fb.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

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