From: Chris Mason <chris.mason@oracle.com>
Date: Mon, 10 Nov 2008 12:31:30 +0000 (-0500)
Subject: Btrfs: Make sure pages are dirty before doing delalloc for them
X-Git-Tag: v2.6.29-rc1~27^2~9^2~55^2~32
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f2b1c41cf94d7f839fe9ede5f3ead92698a93fb3;p=pandora-kernel.git

Btrfs: Make sure pages are dirty before doing delalloc for them

This adds a PageDirty check to the writeback path that locks pages
for delalloc.  If a page wasn't dirty at this point, it is in the
process of being truncated away.

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