From: Evgeniy Polyakov Date: Mon, 9 Feb 2009 14:02:39 +0000 (+0300) Subject: Staging: pohmelfs: distributed locking and cache coherency protocol. X-Git-Tag: v2.6.30-rc1~202^2~481 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac7036c13113ed58bc9851d2808467dfeda8daed;p=pandora-kernel.git Staging: pohmelfs: distributed locking and cache coherency protocol. POHMELFS utilizes writeback cache, which is built on top of MO(E)SI-like coherency protocol. This patch includes its implementation and cache object processing helpers (like allocation and completion callbacks). POHMELFS uses scalable cached read/write locking. No additional requests are performed if lock is granted to the filesystem. The same protocol is used by the server to on-demand flushing of the client's cache (for example when server wants to update local data). Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman --- Reading git-diff-tree failed