From: Chris Mason Date: Mon, 25 Jul 2011 10:50:50 +0000 (-0400) Subject: Btrfs: reduce extent_state lock contention for metadata X-Git-Tag: v3.1-rc1~134^2^2~2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19b6caf4acbf065dc96b47741d99f1b87243c468;p=pandora-kernel.git Btrfs: reduce extent_state lock contention for metadata For metadata buffers that don't straddle pages (all of them), btrfs can safely use the page uptodate bits and extent_buffer uptodate bit instead of needing to use the extent_state tree. This greatly reduces contention on the state tree lock. Signed-off-by: Chris Mason --- Reading git-diff-tree failed