From: Chris Mason Date: Wed, 2 Sep 2009 19:11:07 +0000 (-0400) Subject: Btrfs: don't lock bits in the extent tree during writepage X-Git-Tag: v2.6.32-rc1~57^2^2~26^2~5 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5550c6315fe0647b7ac21a6a736bf4a42620eac;p=pandora-kernel.git Btrfs: don't lock bits in the extent tree during writepage At writepage time, we have the page locked and we have the extent_map entry for this extent pinned in the extent_map tree. So, the page can't go away and its mapping can't change. There is no need for the extra extent_state lock bits during writepage. Signed-off-by: Chris Mason --- Reading git-diff-tree failed