From: NeilBrown <neilb@suse.de>
Date: Tue, 25 Sep 2007 10:35:59 +0000 (+0200)
Subject: Introduce rq_for_each_segment replacing rq_for_each_bio
X-Git-Tag: v2.6.24-rc1~1460^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5705f7021748a69d84d6567e68e8851dab551464;p=pandora-kernel.git

Introduce rq_for_each_segment replacing rq_for_each_bio

Every usage of rq_for_each_bio wraps a usage of
bio_for_each_segment, so these can be combined into
rq_for_each_segment.

We define "struct req_iterator" to hold the 'bio' and 'index' that
are needed for the double iteration.

Signed-off-by: Neil Brown <neilb@suse.de>

Various compile fixes by me...

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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