From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 24 Apr 2007 19:23:53 +0000 (+0200)
Subject: cfq-iosched: speedup cic rb lookup
X-Git-Tag: v2.6.22-rc1~1108^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=597bc485d6906359ad667fc8ead5e5f0ede03a0a;p=pandora-kernel.git

cfq-iosched: speedup cic rb lookup

We often lookup the same queue many times in succession, so cache
the last looked up queue to avoid browsing the rbtree.

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

Reading git-diff-tree failed