From: Sage Weil <sage@newdream.net>
Date: Mon, 15 Feb 2010 20:05:09 +0000 (-0800)
Subject: ceph: cancel delayed work when closing connection
X-Git-Tag: v2.6.34-rc2~9^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91e45ce38946a8efa21fefbc65d023ca3c0b434f;p=pandora-kernel.git

ceph: cancel delayed work when closing connection

This ensures that if/when we reopen the connection, we can requeue work on
the connection immediately, without waiting for an old timer to expire.
Queue new delayed work inside con->mutex to avoid any race.

This fixes problems with clients failing to reconnect to the MDS due to
the client_reconnect message arriving too late (due to waiting for an old
delayed work timeout to expire).

Signed-off-by: Sage Weil <sage@newdream.net>
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