staging/lustre/obdclass: Add a preallocated percpu cl_env
This change adds support for a single preallocated cl_env per CPU which can be used in circumstances where reschedule is not possible. Currently this interface is only used by the ll_releasepage function. Signed-off-by:Jinshan Xiong <jinshan.xiong@intel.com> Signed-off-by:
Prakash Surya <surya1@llnl.gov> Reviewed-on: http://review.whamcloud.com/8174 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3321Reviewed-by:
Lai Siyao <lai.siyao@intel.com> Reviewed-by:
Bobi Jam <bobijam@gmail.com> Signed-off-by:
Oleg Drokin <green@linuxhacker.ru> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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