MRP-855 Fix race during exp_flock_hash creation

Move hash initialization from ldlm_flock_blocking_link()
to ldlm_init_export().

Change-Id: Iae766f7e9aeacb906d8c1b1fdc727dbc23d565fb
Signed-off-by: Andriy Skulysh <Andriy_Skulysh@xyratex.com>
Reviewed-on: http://morpheus.xyus.xyratex.com:8443/gerrit/248
Reviewed-by: Alexander Boyko <Alexander_Boyko@xyratex.com>
Tested-by: Jenkins
Tested-by: Kyrylo Shatskyy <kyrylo_shatskyy@xyratex.com>
Reviewed-by: Vitaly Fertman <Vitaly_Fertman@xyratex.com>
MRP-761 mdt_reconstruct_open() ASSERTION failure

Fix assert. transno shouldn't be cleared
for EREMOTE operation.

Change-Id: I22a5fe58ac7c003579948a806e73404bdc3ee007
Signed-off-by: Andriy Skulysh <Andriy_Skulysh@xyratex.com>
Reviewed-on: http://morpheus.xyus.xyratex.com:8443/gerrit/250
Tested-by: Jenkins
Reviewed-by: Alexander Boyko <Alexander_Boyko@xyratex.com>
Tested-by: Kyrylo Shatskyy <kyrylo_shatskyy@xyratex.com>
Reviewed-by: Alexey Lyashkov <Alexey_Lyashkov@xyratex.com>
Reviewed-by: Vitaly Fertman <Vitaly_Fertman@xyratex.com>