From: Yan, Zheng <zheng.z.yan@intel.com>
Date: Mon, 21 Apr 2014 07:46:37 +0000 (+0800)
Subject: mds: check cap ID when handling cap export message
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~24^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ca665e0282ece4f8121ab4de474351f291fa8c2d;p=pandora-kernel.git

mds: check cap ID when handling cap export message

handle following sequence of events:
- mds0 exports an inode to mds1. client receives the cap import
  message from mds1. caps from mds0 are removed while handling
  the cap import message.
- mds1 exports an inode to mds0. client receives the cap export
  message from mds1. handle_cap_export() adds placeholder caps
  for mds0
- client receives the first cap export message (for exporting
  inode from mds0 to mds1)

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
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