From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Tue, 29 Apr 2008 07:54:39 +0000 (+0200)
Subject: block: add large command support
X-Git-Tag: v2.6.26-rc1~372^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d7e3c3249ef23b4617393c69fe464765b4ff1645;p=pandora-kernel.git

block: add large command support

This patch changes rq->cmd from the static array to a pointer to
support large commands.

We rarely handle large commands. So for optimization, a struct request
still has a static array for a command. rq_init sets rq->cmd pointer
to the static array.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

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