LU-2371 ptlrpc: get new xid for resend on EINPROGRESS

LU-2371 ptlrpc: get new xid for resend on EINPROGRESS

Allocate new xid for ptlrpc resend on EINPROGRESS to avoid MDT's reply
recontruction code which will cause EINPROGRESS to always been replied
on subsequent resent.
Also fix non-intent creation path to set rq_no_retry_einprogress.

Signed-off-by: Johann Lombardi <johann.lombardi@intel.com>
Change-Id: Id423142e4440952777b74a834e2b4fa38c338280
Reviewed-on: http://review.whamcloud.com/4719
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Fan Yong <fan.yong@intel.com>