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>
This commit is contained in:
Miguel 2008-04-11 15:46:48 -04:00 • committed by Chris Mason
commit 594994aa3e