From: Tejun Heo <tj@kernel.org>
Date: Fri, 8 May 2009 02:54:10 +0000 (+0900)
Subject: xd: dequeue in-flight request
X-Git-Tag: v2.6.31-rc1~389^2~69
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bab2a807a489822ded0c9d4a5344c80bcac10b0a;p=pandora-kernel.git

xd: dequeue in-flight request

xd processes requests one-by-one synchronously and can be easily
converted to dequeueing model.  Convert it.

While at it, use rq_cur_bytes instead of rq_bytes when checking for
sector overflow.  This is for for consistency and better behavior for
merged requests.

[ Impact: dequeue in-flight request ]

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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