From: Jinshan Xiong <jinshan.xiong@intel.com>
Date: Tue, 15 Sep 2015 19:19:10 +0000 (-0700)
Subject: LU-7164 osc: osc_extent should hold refcount to osc_object
X-Git-Tag: 2.7.64~34
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=f790db61313e85fdece589118a0798a4607dbcb0;hp=f790db61313e85fdece589118a0798a4607dbcb0;p=fs%2Flustre-release.git

LU-7164 osc: osc_extent should hold refcount to osc_object

To avoid a race that osc_extent and osc_object destroy happens on the
same time, which causes kernel crash.

Signed-off-by: Jinshan Xiong <jinshan.xiong@intel.com>
Change-Id: I3e3237f0d1cff4bd992bef4e4c01355a1d5c8d9f
Reviewed-on: http://review.whamcloud.com/16433
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Patrick Farrell <paf@cray.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
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