From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Date: Tue, 11 Dec 2007 22:41:54 +0000 (-0500)
Subject: blk_end_request: changing block layer core (take 4)
X-Git-Tag: v2.6.25-rc1~1172^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9e6e39f2c478fff2e9d3430cdfe6730877942ed6;p=pandora-kernel.git

blk_end_request: changing block layer core (take 4)

This patch converts core parts of block layer to use blk_end_request
interfaces.  Related 'uptodate' arguments are converted to 'error'.

'dequeue' argument was originally introduced for end_dequeued_request(),
where no attempt should be made to dequeue the request as it's already
dequeued.
However, it's not necessary as it can be checked with
list_empty(&rq->queuelist).
(Dequeued request has empty list and queued request doesn't.)
And it has been done in blk_end_request interfaces.

As a result of this patch, end_queued_request() and
end_dequeued_request() become identical.  A future patch will merge
and rename them and change users of those functions.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

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