From: Jens Axboe <axboe@suse.de>
Date: Thu, 1 Jun 2006 08:07:26 +0000 (+0200)
Subject: [PATCH] cfq-iosched: check busy queues before deciding we are idle
X-Git-Tag: v2.6.17-rc6~56
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e0de0206a2a37cd3e0ba9954d9f863e11d6d1782;p=pandora-kernel.git

[PATCH] cfq-iosched: check busy queues before deciding we are idle

For just one busy queue (like async write out), we often overlooked
that we could queue more io and decided we were idle instead. This causes
us quite a bit of performance loss.

Signed-off-by: Jens Axboe <axboe@suse.de>
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