From: Jens Axboe <jens.axboe@oracle.com>
Date: Mon, 6 Apr 2009 12:48:01 +0000 (+0200)
Subject: block: change the request allocation/congestion logic to be sync/async based
X-Git-Tag: v2.6.30-rc1~195
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1faa16d22877f4839bd433547d770c676d1d964c;p=pandora-kernel.git

block: change the request allocation/congestion logic to be sync/async based

This makes sure that we never wait on async IO for sync requests, instead
of doing the split on writes vs reads.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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