Remove re_part field from struct ocf_req_info

Since the request carries an explicit information about number of the
cacheliens to be reparted, no need of keeping the boolean information if some
of the request's cachelines are assigned to a wrong partition

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>

src/engine/engine_wb.c

@@ -121,7 +121,7 @@ static inline void _ocf_write_wb_submit(struct ocf_request *req)
 	 * 3. Then continue processing request (flush metadata)
 	 */
 
-	if (req->info.re_part) {
+	if (ocf_engine_needs_repart(req)) {
 		OCF_DEBUG_RQ(req, "Re-Part");
 
 		ocf_req_hash_lock_wr(req);