From: Yan, Zheng <zheng.z.yan@intel.com>
Date: Wed, 18 Sep 2013 01:44:13 +0000 (+0800)
Subject: ceph: handle frag mismatch between readdir request and reply
X-Git-Tag: v3.13-rc2~25^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81c6aea5275eae453719d7f3924da07e668265c5;p=pandora-kernel.git

ceph: handle frag mismatch between readdir request and reply

If client has outdated directory fragments information, it may request
readdir an non-existent directory fragment. In this case, the MDS finds
an approximate directory fragment and sends its contents back to the
client. When receiving a reply with fragment that is different than the
requested one, the client need to reset the 'readdir offset'.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Reviewed-by: Sage Weil <sage@inktank.com>
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