From: Chris Mason <chris.mason@oracle.com>
Date: Wed, 10 Mar 2010 20:33:32 +0000 (-0500)
Subject: Btrfs: run the backing dev more often in the submit_bio helper
X-Git-Tag: v2.6.34-rc2~21^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51684082b11c304829ea22193d4d96a5b1663b97;p=pandora-kernel.git

Btrfs: run the backing dev more often in the submit_bio helper

The submit_bio helper thread can decide to loop back around to
service more bios.  This commit forces it to unplug first, which helps
reduce the latency seen by submitters.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

Reading git-diff-tree failed