From: Sage Weil <sage@newdream.net>
Date: Thu, 18 Mar 2010 22:20:53 +0000 (-0700)
Subject: ceph: fix connection fault con_work reentrancy problem
X-Git-Tag: v2.6.34-rc3~6^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c3f2e32effd4c6acc3a9434bd7eecb0af653d89;p=pandora-kernel.git

ceph: fix connection fault con_work reentrancy problem

The messenger fault was clearing the BUSY bit, for reasons unclear.  This
made it possible for the con->ops->fault function to reopen the connection,
and requeue work in the workqueue--even though the current thread was
already in con_work.

This avoids a problem where the client busy loops with connection failures
on an unreachable OSD, but doesn't address the root cause of that problem.

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