From: Miguel <miguel.filipe@gmail.com>
Date: Fri, 11 Apr 2008 19:46:48 +0000 (-0400)
Subject: Btrfs: define write_cache_pages for linux kernel <= 2.6.20 instead
X-Git-Tag: v2.6.29-rc1~27^2~9^2~55^2~56^2~30^2~235
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=594994aa3ea4cb52cba9c83a4b6f03e6ff3a646e;p=pandora-kernel.git

Btrfs: define write_cache_pages for linux kernel <= 2.6.20 instead

write_cache_pages doesn't exist in linux 2.6.20,  change the #if
condition to match that.

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