From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 20 Nov 2008 15:46:35 +0000 (-0500)
Subject: Btrfs: only flush down bios for writeback pages
X-Git-Tag: v2.6.29-rc1~27^2~9^2~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e6bd956ed238eb2f69386f251847fe3163532e1;p=pandora-kernel.git

Btrfs: only flush down bios for writeback pages

The btrfs write_cache_pages call has a flush function so that it submits
the bio it has been building before it waits on any writeback pages.

This adds a check so that flush only happens on writeback pages.

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