From: Chris Mason <chris.mason@oracle.com>
Date: Fri, 7 Aug 2009 13:27:38 +0000 (-0400)
Subject: Btrfs: reduce worker thread spin_lock_irq hold times
X-Git-Tag: v2.6.32-rc1~57^2^2~26^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f878e8475a465ddbd951e06a23317303f1b5b30;p=pandora-kernel.git

Btrfs: reduce worker thread spin_lock_irq hold times

This changes the btrfs worker threads to batch work items
into a local list.  It allows us to pull work items in
large chunks and significantly reduces the number of times we
need to take the worker thread spinlock.

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