From: Greg Farnum <gregf@hq.newdream.net>
Date: Mon, 2 Aug 2010 22:34:23 +0000 (-0700)
Subject: ceph: add flock/fcntl lock support
X-Git-Tag: v2.6.36-rc1~99^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40819f6fb227c1832935b775ac22aef10aa6f6dd;p=pandora-kernel.git

ceph: add flock/fcntl lock support

Implement flock inode operation to support advisory file locking.  All
lock/unlock operations are synchronous with the MDS.  Lock state is
sent when reconnecting to a recovering MDS to restore the shared lock
state.

Signed-off-by: Greg Farnum <gregf@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
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