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()
692 cifs_setup_request(struct cifs_ses *ses, struct smb_rqst *rqst)  in cifs_setup_request()  argument
698 	rc = allocate_mid(ses, hdr, &mid);  in cifs_setup_request()
701 	rc = cifs_sign_rqst(rqst, ses->server, &mid->sequence_number);  in cifs_setup_request()
710 SendReceive2(const unsigned int xid, struct cifs_ses *ses,  in SendReceive2()  argument
727 	if ((ses == NULL) || (ses->server == NULL)) {  in SendReceive2()
733 	if (ses->server->tcpStatus == CifsExiting) {  in SendReceive2()
744 	rc = wait_for_free_request(ses->server, timeout, optype);  in SendReceive2()
756 	mutex_lock(&ses->server->srv_mutex);  in SendReceive2()
758 	midQ = ses->server->ops->setup_request(ses, &rqst);  in SendReceive2()
760 		mutex_unlock(&ses->server->srv_mutex);  in SendReceive2()
763 		add_credits(ses->server, 1, optype);  in SendReceive2()
768 	cifs_in_send_inc(ses->server);  in SendReceive2()
769 	rc = smb_sendv(ses->server, iov, n_vec);  in SendReceive2()
770 	cifs_in_send_dec(ses->server);  in SendReceive2()
774 		ses->server->sequence_number -= 2;  in SendReceive2()
775 	mutex_unlock(&ses->server->srv_mutex);  in SendReceive2()
787 	rc = wait_for_response(ses->server, midQ);  in SendReceive2()
789 		send_cancel(ses->server, buf, midQ);  in SendReceive2()
795 			add_credits(ses->server, 1, optype);  in SendReceive2()
803 	rc = cifs_sync_mid_result(midQ, ses->server);  in SendReceive2()
805 		add_credits(ses->server, 1, optype);  in SendReceive2()
823 	credits = ses->server->ops->get_credits(midQ);  in SendReceive2()
825 	rc = ses->server->ops->check_receive(midQ, ses->server,  in SendReceive2()
833 	add_credits(ses->server, credits, optype);  in SendReceive2()
839 SendReceive(const unsigned int xid, struct cifs_ses *ses,  in SendReceive()  argument
846 	if (ses == NULL) {  in SendReceive()
850 	if (ses->server == NULL) {  in SendReceive()
855 	if (ses->server->tcpStatus == CifsExiting)  in SendReceive()
869 	rc = wait_for_free_request(ses->server, timeout, 0);  in SendReceive()
877 	mutex_lock(&ses->server->srv_mutex);  in SendReceive()
879 	rc = allocate_mid(ses, in_buf, &midQ);  in SendReceive()
881 		mutex_unlock(&ses->server->srv_mutex);  in SendReceive()
883 		add_credits(ses->server, 1, 0);  in SendReceive()
887 	rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);  in SendReceive()
889 		mutex_unlock(&ses->server->srv_mutex);  in SendReceive()
895 	cifs_in_send_inc(ses->server);  in SendReceive()
896 	rc = smb_send(ses->server, in_buf, be32_to_cpu(in_buf->smb_buf_length));  in SendReceive()
897 	cifs_in_send_dec(ses->server);  in SendReceive()
901 		ses->server->sequence_number -= 2;  in SendReceive()
903 	mutex_unlock(&ses->server->srv_mutex);  in SendReceive()
911 	rc = wait_for_response(ses->server, midQ);  in SendReceive()
913 		send_cancel(ses->server, in_buf, midQ);  in SendReceive()
919 			add_credits(ses->server, 1, 0);  in SendReceive()
925 	rc = cifs_sync_mid_result(midQ, ses->server);  in SendReceive()
927 		add_credits(ses->server, 1, 0);  in SendReceive()
940 	rc = cifs_check_receive(midQ, ses->server, 0);  in SendReceive()
943 	add_credits(ses->server, 1, 0);  in SendReceive()
957 	struct cifs_ses *ses = tcon->ses;  in send_lock_cancel()  local
967 	pSMB->hdr.Mid = get_next_mid(ses->server);  in send_lock_cancel()
969 	return SendReceive(xid, ses, in_buf, out_buf,  in send_lock_cancel()
981 	struct cifs_ses *ses;  in SendReceiveBlockingLock()  local
983 	if (tcon == NULL || tcon->ses == NULL) {  in SendReceiveBlockingLock()
987 	ses = tcon->ses;  in SendReceiveBlockingLock()
989 	if (ses->server == NULL) {  in SendReceiveBlockingLock()
994 	if (ses->server->tcpStatus == CifsExiting)  in SendReceiveBlockingLock()
1008 	rc = wait_for_free_request(ses->server, CIFS_BLOCKING_OP, 0);  in SendReceiveBlockingLock()
1016 	mutex_lock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1018 	rc = allocate_mid(ses, in_buf, &midQ);  in SendReceiveBlockingLock()
1020 		mutex_unlock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1024 	rc = cifs_sign_smb(in_buf, ses->server, &midQ->sequence_number);  in SendReceiveBlockingLock()
1027 		mutex_unlock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1032 	cifs_in_send_inc(ses->server);  in SendReceiveBlockingLock()
1033 	rc = smb_send(ses->server, in_buf, be32_to_cpu(in_buf->smb_buf_length));  in SendReceiveBlockingLock()
1034 	cifs_in_send_dec(ses->server);  in SendReceiveBlockingLock()
1038 		ses->server->sequence_number -= 2;  in SendReceiveBlockingLock()
1040 	mutex_unlock(&ses->server->srv_mutex);  in SendReceiveBlockingLock()
1048 	rc = wait_event_interruptible(ses->server->response_q,  in SendReceiveBlockingLock()
1050 		((ses->server->tcpStatus != CifsGood) &&  in SendReceiveBlockingLock()
1051 		 (ses->server->tcpStatus != CifsNew)));  in SendReceiveBlockingLock()
1056 		((ses->server->tcpStatus == CifsGood) ||  in SendReceiveBlockingLock()
1057 		 (ses->server->tcpStatus == CifsNew))) {  in SendReceiveBlockingLock()
1062 			rc = send_cancel(ses->server, in_buf, midQ);  in SendReceiveBlockingLock()
1081 		rc = wait_for_response(ses->server, midQ);  in SendReceiveBlockingLock()
1083 			send_cancel(ses->server, in_buf, midQ);  in SendReceiveBlockingLock()
1098 	rc = cifs_sync_mid_result(midQ, ses->server);  in SendReceiveBlockingLock()
1111 	rc = cifs_check_receive(midQ, ses->server, 0);  in SendReceiveBlockingLock()