staging: lustre: osc: osc_extent should hold refcount to osc_object

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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>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7164
Reviewed-on: http://review.whamcloud.com/16433
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Patrick Farrell <paf@cray.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Jinshan Xiong 2016-11-10 12:30:54 -05:00 • committed by Greg Kroah-Hartman

parent a80ba5fe75

commit d7f651ad64

1 changed files with 2 additions and 0 deletions

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drivers/staging/lustre/lustre/osc/osc_cache.c

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