460 static int allocate_mid(struct cifs_ses *ses, struct smb_hdr *in_buf,  in allocate_mid()  argument
463 	if (ses->server->tcpStatus == CifsExiting) {  in allocate_mid()
467 	if (ses->server->tcpStatus == CifsNeedReconnect) {  in allocate_mid()
472 	if (ses->status == CifsNew) {  in allocate_mid()
479 	if (ses->status == CifsExiting) {  in allocate_mid()
486 	*ppmidQ = AllocMidQEntry(in_buf, ses->server);  in allocate_mid()
490 	list_add_tail(&(*ppmidQ)->qhead, &ses->server->pending_mid_q);  in allocate_mid()
603 SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,  in SendReceiveNoRsp()  argument
613 	rc = SendReceive2(xid, ses, iov, 1, &resp_buf_type, flags);  in SendReceiveNoRsp()
690 cifs_setup_request(struct cifs_ses *ses, struct smb_rqst *rqst)  in cifs_setup_request()  argument
696 	rc = allocate_mid(ses, hdr, &mid);  in cifs_setup_request()
699 	rc = cifs_sign_rqst(rqst, ses->server, &mid->sequence_number);  in cifs_setup_request()
708 SendReceive2(const unsigned int xid, struct cifs_ses *ses,  in SendReceive2()  argument
725 	if ((ses == NULL) || (ses->server == NULL)) {  in SendReceive2()
731 	if (ses->server->tcpStatus == CifsExiting) {  in SendReceive2()
742 	rc = wait_for_free_request(ses->server, timeout, optype);  in SendReceive2()
754 	mutex_lock(&ses->server->srv_mutex);  in SendReceive2()
756 	midQ = ses->server->ops->setup_request(ses, &rqst);  in SendReceive2()
758 		mutex_unlock(&ses->server->srv_mutex);  in SendReceive2()
761 		add_credits(ses->server, 1, optype);  in SendReceive2()
766 	cifs_in_send_inc(ses->server);  in SendReceive2()
767 	rc = smb_sendv(ses->server, iov, n_vec);  in SendReceive2()
768 	cifs_in_send_dec(ses->server);  in SendReceive2()
772 		ses->server->sequence_number -= 2;  in SendReceive2()
773 	mutex_unlock(&ses->server->srv_mutex);  in SendReceive2()
785 	rc = wait_for_response(ses->server, midQ);  in SendReceive2()
787 		send_cancel(ses->server, buf, midQ);  in SendReceive2()
793 			add_credits(ses->server, 1, optype);  in SendReceive2()
801 	rc = cifs_sync_mid_result(midQ, ses->server);  in SendReceive2()
803 		add_credits(ses->server, 1, optype);  in SendReceive2()
821 	credits = ses->server->ops->get_credits(midQ);  in SendReceive2()
823 	rc = ses->server->ops->check_receive(midQ, ses->server,  in SendReceive2()
831 	add_credits(ses->server, credits, optype);  in SendReceive2()
837 SendReceive(const unsigned int xid, struct cifs_ses *ses,  in SendReceive()  argument
844 	if (ses == NULL) {  in SendReceive()
848 	if (ses->server == NULL) {  in SendReceive()
853 	if (ses->server->tcpStatus == CifsExiting)  in SendReceive()
867 	rc = wait_for_free_request(ses->server, timeout, 0);  in SendReceive()
875 	mutex_lock(&ses->server->srv_mutex);  in SendReceive()
877 	rc = allocate_mid(ses, in_buf, &midQ);  in SendReceive()
879 		mutex_unlock(&ses->server->srv_mutex);  in SendReceive()
881 		add_credits(ses->server, 1, 0);  in SendReceive()
885 	rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);  in SendReceive()
887 		mutex_unlock(&ses->server->srv_mutex);  in SendReceive()
893 	cifs_in_send_inc(ses->server);  in SendReceive()
894 	rc = smb_send(ses->server, in_buf, be32_to_cpu(in_buf->smb_buf_length));  in SendReceive()
895 	cifs_in_send_dec(ses->server);  in SendReceive()
899 		ses->server->sequence_number -= 2;  in SendReceive()
901 	mutex_unlock(&ses->server->srv_mutex);  in SendReceive()
909 	rc = wait_for_response(ses->server, midQ);  in SendReceive()
911 		send_cancel(ses->server, in_buf, midQ);  in SendReceive()
917 			add_credits(ses->server, 1, 0);  in SendReceive()
923 	rc = cifs_sync_mid_result(midQ, ses->server);  in SendReceive()
925 		add_credits(ses->server, 1, 0);  in SendReceive()
938 	rc = cifs_check_receive(midQ, ses->server, 0);  in SendReceive()
941 	add_credits(ses->server, 1, 0);  in SendReceive()
955 	struct cifs_ses *ses = tcon->ses;  in send_lock_cancel()  local
965 	pSMB->hdr.Mid = get_next_mid(ses->server);  in send_lock_cancel()
967 	return SendReceive(xid, ses, in_buf, out_buf,  in send_lock_cancel()
979 	struct cifs_ses *ses;  in SendReceiveBlockingLock()  local
981 	if (tcon == NULL || tcon->ses == NULL) {  in SendReceiveBlockingLock()
985 	ses = tcon->ses;  in SendReceiveBlockingLock()
987 	if (ses->server == NULL) {  in SendReceiveBlockingLock()
992 	if (ses->server->tcpStatus == CifsExiting)  in SendReceiveBlockingLock()
1006 	rc = wait_for_free_request(ses->server, CIFS_BLOCKING_OP, 0);  in SendReceiveBlockingLock()
1014 	mutex_lock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1016 	rc = allocate_mid(ses, in_buf, &midQ);  in SendReceiveBlockingLock()
1018 		mutex_unlock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1022 	rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);  in SendReceiveBlockingLock()
1025 		mutex_unlock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1030 	cifs_in_send_inc(ses->server);  in SendReceiveBlockingLock()
1031 	rc = smb_send(ses->server, in_buf, be32_to_cpu(in_buf->smb_buf_length));  in SendReceiveBlockingLock()
1032 	cifs_in_send_dec(ses->server);  in SendReceiveBlockingLock()
1036 		ses->server->sequence_number -= 2;  in SendReceiveBlockingLock()
1038 	mutex_unlock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1046 	rc = wait_event_interruptible(ses->server->response_q,  in SendReceiveBlockingLock()
1048 		((ses->server->tcpStatus != CifsGood) &&  in SendReceiveBlockingLock()
1049 		 (ses->server->tcpStatus != CifsNew)));  in SendReceiveBlockingLock()
1054 		((ses->server->tcpStatus == CifsGood) ||  in SendReceiveBlockingLock()
1055 		 (ses->server->tcpStatus == CifsNew))) {  in SendReceiveBlockingLock()
1060 			rc = send_cancel(ses->server, in_buf, midQ);  in SendReceiveBlockingLock()
1079 		rc = wait_for_response(ses->server, midQ);  in SendReceiveBlockingLock()
1081 			send_cancel(ses->server, in_buf, midQ);  in SendReceiveBlockingLock()
1096 	rc = cifs_sync_mid_result(midQ, ses->server);  in SendReceiveBlockingLock()
1109 	rc = cifs_check_receive(midQ, ses->server, 0);  in SendReceiveBlockingLock()