LU-4386 osc: don't activate deactivated obd_import

In ptlrpc_activate_import(), obd_import->imp_deactive should
be checked if it is deactivated, otherwise it will trigger an
LBUG in ptlrpc_invalidate_import():

  ptlrpc_invalidate_import() ASSERTION(imp->imp_invalid) failed

Change-Id: I4c16f166c0c2cf60664119bf438dfd8606d71a2f
Signed-off-by: Hongchao Zhang <hongchao.zhang@intel.com>
Reviewed-on: http://review.whamcloud.com/8747
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Jenkins
Reviewed-by: Fan Yong <fan.yong@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
LU-4543 osd: return actual hash value for a record

hash value should be fetched only once we've got a record.

Signed-off-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Change-Id: If02a5ba0c85c0230dea799445a8b985ed1a6fbae
Reviewed-on: http://review.whamcloud.com/9218
Tested-by: Jenkins
Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Isaac Huang <he.huang@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>