513 static int allocate_mid(struct cifs_ses *ses, struct smb_hdr *in_buf,  in allocate_mid()  argument
516 	if (ses->server->tcpStatus == CifsExiting) {  in allocate_mid()
520 	if (ses->server->tcpStatus == CifsNeedReconnect) {  in allocate_mid()
525 	if (ses->status == CifsNew) {  in allocate_mid()
532 	if (ses->status == CifsExiting) {  in allocate_mid()
539 	*ppmidQ = AllocMidQEntry(in_buf, ses->server);  in allocate_mid()
543 	list_add_tail(&(*ppmidQ)->qhead, &ses->server->pending_mid_q);  in allocate_mid()
664 SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,  in SendReceiveNoRsp()  argument
675 	rc = SendReceive2(xid, ses, iov, 1, &resp_buf_type, flags, &rsp_iov);  in SendReceiveNoRsp()
755 cifs_setup_request(struct cifs_ses *ses, struct smb_rqst *rqst)  in cifs_setup_request()  argument
765 	rc = allocate_mid(ses, hdr, &mid);  in cifs_setup_request()
768 	rc = cifs_sign_rqst(rqst, ses->server, &mid->sequence_number);  in cifs_setup_request()
782 compound_send_recv(const unsigned int xid, struct cifs_ses *ses,  in compound_send_recv()  argument
798 	if ((ses == NULL) || (ses->server == NULL)) {  in compound_send_recv()
803 	if (ses->server->tcpStatus == CifsExiting)  in compound_send_recv()
811 	rc = wait_for_free_request(ses->server, timeout, optype);  in compound_send_recv()
821 	mutex_lock(&ses->server->srv_mutex);  in compound_send_recv()
824 		midQ[i] = ses->server->ops->setup_request(ses, &rqst[i]);  in compound_send_recv()
828 			mutex_unlock(&ses->server->srv_mutex);  in compound_send_recv()
830 			add_credits(ses->server, 1, optype);  in compound_send_recv()
842 	cifs_in_send_inc(ses->server);  in compound_send_recv()
843 	rc = smb_send_rqst(ses->server, num_rqst, rqst, flags);  in compound_send_recv()
844 	cifs_in_send_dec(ses->server);  in compound_send_recv()
850 		ses->server->sequence_number -= 2;  in compound_send_recv()
852 	mutex_unlock(&ses->server->srv_mutex);  in compound_send_recv()
858 		if ((ses->status == CifsNew) || (optype & CIFS_NEG_OP))  in compound_send_recv()
859 			smb311_update_preauth_hash(ses, rqst[i].rq_iov,  in compound_send_recv()
865 		rc = wait_for_response(ses->server, midQ[i]);  in compound_send_recv()
869 			send_cancel(ses->server, &rqst[i], midQ[i]);  in compound_send_recv()
875 				add_credits(ses->server, 1, optype);  in compound_send_recv()
881 		rc = cifs_sync_mid_result(midQ[i], ses->server);  in compound_send_recv()
883 			add_credits(ses->server, 1, optype);  in compound_send_recv()
897 			ses->server->vals->header_preamble_size;  in compound_send_recv()
904 		if ((ses->status == CifsNew) || (optype & CIFS_NEG_OP)) {  in compound_send_recv()
909 			smb311_update_preauth_hash(ses, &iov, 1);  in compound_send_recv()
912 		credits = ses->server->ops->get_credits(midQ[i]);  in compound_send_recv()
914 		rc = ses->server->ops->check_receive(midQ[i], ses->server,  in compound_send_recv()
930 	add_credits(ses->server, credits, optype);  in compound_send_recv()
936 cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,  in cifs_send_recv()  argument
940 	return compound_send_recv(xid, ses, flags, 1, rqst, resp_buf_type,  in cifs_send_recv()
945 SendReceive2(const unsigned int xid, struct cifs_ses *ses,  in SendReceive2()  argument
976 	rc = cifs_send_recv(xid, ses, &rqst, resp_buf_type, flags, resp_iov);  in SendReceive2()
983 SendReceive(const unsigned int xid, struct cifs_ses *ses,  in SendReceive()  argument
993 	if (ses == NULL) {  in SendReceive()
997 	if (ses->server == NULL) {  in SendReceive()
1002 	if (ses->server->tcpStatus == CifsExiting)  in SendReceive()
1015 	rc = wait_for_free_request(ses->server, timeout, 0);  in SendReceive()
1023 	mutex_lock(&ses->server->srv_mutex);  in SendReceive()
1025 	rc = allocate_mid(ses, in_buf, &midQ);  in SendReceive()
1027 		mutex_unlock(&ses->server->srv_mutex);  in SendReceive()
1029 		add_credits(ses->server, 1, 0);  in SendReceive()
1033 	rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);  in SendReceive()
1035 		mutex_unlock(&ses->server->srv_mutex);  in SendReceive()
1041 	cifs_in_send_inc(ses->server);  in SendReceive()
1042 	rc = smb_send(ses->server, in_buf, len);  in SendReceive()
1043 	cifs_in_send_dec(ses->server);  in SendReceive()
1047 		ses->server->sequence_number -= 2;  in SendReceive()
1049 	mutex_unlock(&ses->server->srv_mutex);  in SendReceive()
1057 	rc = wait_for_response(ses->server, midQ);  in SendReceive()
1059 		send_cancel(ses->server, &rqst, midQ);  in SendReceive()
1065 			add_credits(ses->server, 1, 0);  in SendReceive()
1071 	rc = cifs_sync_mid_result(midQ, ses->server);  in SendReceive()
1073 		add_credits(ses->server, 1, 0);  in SendReceive()
1086 	rc = cifs_check_receive(midQ, ses->server, 0);  in SendReceive()
1089 	add_credits(ses->server, 1, 0);  in SendReceive()
1103 	struct cifs_ses *ses = tcon->ses;  in send_lock_cancel()  local
1113 	pSMB->hdr.Mid = get_next_mid(ses->server);  in send_lock_cancel()
1115 	return SendReceive(xid, ses, in_buf, out_buf,  in send_lock_cancel()
1127 	struct cifs_ses *ses;  in SendReceiveBlockingLock()  local
1132 	if (tcon == NULL || tcon->ses == NULL) {  in SendReceiveBlockingLock()
1136 	ses = tcon->ses;  in SendReceiveBlockingLock()
1138 	if (ses->server == NULL) {  in SendReceiveBlockingLock()
1143 	if (ses->server->tcpStatus == CifsExiting)  in SendReceiveBlockingLock()
1156 	rc = wait_for_free_request(ses->server, CIFS_BLOCKING_OP, 0);  in SendReceiveBlockingLock()
1164 	mutex_lock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1166 	rc = allocate_mid(ses, in_buf, &midQ);  in SendReceiveBlockingLock()
1168 		mutex_unlock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1172 	rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);  in SendReceiveBlockingLock()
1175 		mutex_unlock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1180 	cifs_in_send_inc(ses->server);  in SendReceiveBlockingLock()
1181 	rc = smb_send(ses->server, in_buf, len);  in SendReceiveBlockingLock()
1182 	cifs_in_send_dec(ses->server);  in SendReceiveBlockingLock()
1186 		ses->server->sequence_number -= 2;  in SendReceiveBlockingLock()
1188 	mutex_unlock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1196 	rc = wait_event_interruptible(ses->server->response_q,  in SendReceiveBlockingLock()
1198 		((ses->server->tcpStatus != CifsGood) &&  in SendReceiveBlockingLock()
1199 		 (ses->server->tcpStatus != CifsNew)));  in SendReceiveBlockingLock()
1204 		((ses->server->tcpStatus == CifsGood) ||  in SendReceiveBlockingLock()
1205 		 (ses->server->tcpStatus == CifsNew))) {  in SendReceiveBlockingLock()
1210 			rc = send_cancel(ses->server, &rqst, midQ);  in SendReceiveBlockingLock()
1229 		rc = wait_for_response(ses->server, midQ);  in SendReceiveBlockingLock()
1231 			send_cancel(ses->server, &rqst, midQ);  in SendReceiveBlockingLock()
1246 	rc = cifs_sync_mid_result(midQ, ses->server);  in SendReceiveBlockingLock()
1259 	rc = cifs_check_receive(midQ, ses->server, 0);  in SendReceiveBlockingLock()