From: Sage Weil <sage@newdream.net>
Date: Mon, 24 May 2010 18:15:51 +0000 (-0700)
Subject: ceph: make mds requests killable, not interruptible
X-Git-Tag: v2.6.35-rc1~16^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa91647c898d62e869fcf35e977ab3c533be8fc1;p=pandora-kernel.git

ceph: make mds requests killable, not interruptible

The underlying problem is that many mds requests can't be restarted.  For
example, a restarted create() would return -EEXIST if the original request
succeeds.  However, we do not want a hung MDS to hang the client too.  So,
use the _killable wait_for_completion variants to abort on SIGKILL but
nothing else.

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