37 cifs_wake_up_task(struct mid_q_entry *mid)  in cifs_wake_up_task()  argument
39 	if (mid->mid_state == MID_RESPONSE_RECEIVED)  in cifs_wake_up_task()
40 		mid->mid_state = MID_RESPONSE_READY;  in cifs_wake_up_task()
41 	wake_up_process(mid->callback_data);  in cifs_wake_up_task()
57 	temp->mid = get_mid(smb_buffer);  in alloc_mid()
62 	/* when mid allocated can be before when sent */  in alloc_mid()
67 	 * The default is for the mid to be synchronous, so the  in alloc_mid()
107 		cifs_server_dbg(VFS, "Invalid mid allocation time\n");  in __release_mid()
143 		trace_smb3_slow_rsp(smb_cmd, midEntry->mid, midEntry->pid,  in __release_mid()
146 			pr_debug("slow rsp: cmd %d mid %llu",  in __release_mid()
147 				 midEntry->command, midEntry->mid);  in __release_mid()
161 delete_mid(struct mid_q_entry *mid)  in delete_mid()  argument
163 	spin_lock(&mid->server->mid_lock);  in delete_mid()
164 	if (!(mid->mid_flags & MID_DELETED)) {  in delete_mid()
165 		list_del_init(&mid->qhead);  in delete_mid()
166 		mid->mid_flags |= MID_DELETED;  in delete_mid()
168 	spin_unlock(&mid->server->mid_lock);  in delete_mid()
170 	release_mid(mid);  in delete_mid()
375 	 * mid entry to be kept in the pending requests queue thus allowing  in __smb_send_rqst()
655 		 * processes a missing mid) and we exhausted most available  in wait_for_compound_request()
745 	struct mid_q_entry *mid;  in cifs_setup_async_request()  local
755 	mid = alloc_mid(hdr, server);  in cifs_setup_async_request()
756 	if (mid == NULL)  in cifs_setup_async_request()
759 	rc = cifs_sign_rqst(rqst, server, &mid->sequence_number);  in cifs_setup_async_request()
761 		release_mid(mid);  in cifs_setup_async_request()
765 	return mid;  in cifs_setup_async_request()
769  * Send a SMB request and set the callback function in the mid to handle
779 	struct mid_q_entry *mid;  in cifs_call_async()  local
808 	mid = server->ops->setup_async_request(server, rqst);  in cifs_call_async()
809 	if (IS_ERR(mid)) {  in cifs_call_async()
812 		return PTR_ERR(mid);  in cifs_call_async()
815 	mid->receive = receive;  in cifs_call_async()
816 	mid->callback = callback;  in cifs_call_async()
817 	mid->callback_data = cbdata;  in cifs_call_async()
818 	mid->handle = handle;  in cifs_call_async()
819 	mid->mid_state = MID_REQUEST_SUBMITTED;  in cifs_call_async()
823 	list_add_tail(&mid->qhead, &server->pending_mid_q);  in cifs_call_async()
827 	 * Need to store the time in mid before calling I/O. For call_async,  in cifs_call_async()
828 	 * I/O response may come back and free the mid entry on another thread.  in cifs_call_async()
830 	cifs_save_when_sent(mid);  in cifs_call_async()
834 		revert_current_mid(server, mid->credits);  in cifs_call_async()
836 		delete_mid(mid);  in cifs_call_async()
876 cifs_sync_mid_result(struct mid_q_entry *mid, struct TCP_Server_Info *server)  in cifs_sync_mid_result()  argument
880 	cifs_dbg(FYI, "%s: cmd=%d mid=%llu state=%d\n",  in cifs_sync_mid_result()
881 		 __func__, le16_to_cpu(mid->command), mid->mid, mid->mid_state);  in cifs_sync_mid_result()
884 	switch (mid->mid_state) {  in cifs_sync_mid_result()
898 		if (!(mid->mid_flags & MID_DELETED)) {  in cifs_sync_mid_result()
899 			list_del_init(&mid->qhead);  in cifs_sync_mid_result()
900 			mid->mid_flags |= MID_DELETED;  in cifs_sync_mid_result()
903 		cifs_server_dbg(VFS, "%s: invalid mid state mid=%llu state=%d\n",  in cifs_sync_mid_result()
904 			 __func__, mid->mid, mid->mid_state);  in cifs_sync_mid_result()
911 	release_mid(mid);  in cifs_sync_mid_result()
917 	    struct mid_q_entry *mid)  in send_cancel()  argument
920 				server->ops->send_cancel(server, rqst, mid) : 0;  in send_cancel()
924 cifs_check_receive(struct mid_q_entry *mid, struct TCP_Server_Info *server,  in cifs_check_receive()  argument
927 	unsigned int len = get_rfc1002_length(mid->resp_buf) + 4;  in cifs_check_receive()
929 	dump_smb(mid->resp_buf, min_t(u32, 92, len));  in cifs_check_receive()
938 		iov[0].iov_base = mid->resp_buf;  in cifs_check_receive()
940 		iov[1].iov_base = (char *)mid->resp_buf + 4;  in cifs_check_receive()
944 					   mid->sequence_number);  in cifs_check_receive()
951 	return map_and_check_smb_error(mid, log_error);  in cifs_check_receive()
960 	struct mid_q_entry *mid;  in cifs_setup_request()  local
966 	rc = allocate_mid(ses, hdr, &mid);  in cifs_setup_request()
969 	rc = cifs_sign_rqst(rqst, ses->server, &mid->sequence_number);  in cifs_setup_request()
971 		delete_mid(mid);  in cifs_setup_request()
974 	return mid;  in cifs_setup_request()
978 cifs_compound_callback(struct mid_q_entry *mid)  in cifs_compound_callback()  argument
980 	struct TCP_Server_Info *server = mid->server;  in cifs_compound_callback()
982 		.value = server->ops->get_credits(mid),  in cifs_compound_callback()
986 	add_credits(server, &credits, mid->optype);  in cifs_compound_callback()
988 	if (mid->mid_state == MID_RESPONSE_RECEIVED)  in cifs_compound_callback()
989 		mid->mid_state = MID_RESPONSE_READY;  in cifs_compound_callback()
993 cifs_compound_last_callback(struct mid_q_entry *mid)  in cifs_compound_last_callback()  argument
995 	cifs_compound_callback(mid);  in cifs_compound_last_callback()
996 	cifs_wake_up_task(mid);  in cifs_compound_last_callback()
1000 cifs_cancelled_callback(struct mid_q_entry *mid)  in cifs_cancelled_callback()  argument
1002 	cifs_compound_callback(mid);  in cifs_cancelled_callback()
1003 	release_mid(mid);  in cifs_cancelled_callback()
1184 	 * we will collect credits granted by the server in the mid callbacks  in compound_send_recv()
1210 			cifs_server_dbg(FYI, "Cancelling wait for mid %llu cmd: %d\n",  in compound_send_recv()
1211 				 midQ[i]->mid, le16_to_cpu(midQ[i]->command));  in compound_send_recv()
1231 			/* mark this mid as cancelled to not free it below */  in compound_send_recv()
1239 			cifs_dbg(FYI, "Bad MID state?\n");  in compound_send_recv()
1444 		cifs_server_dbg(VFS, "Bad MID state?\n");  in SendReceive()
1477 	pSMB->hdr.Mid = get_next_mid(ses->server);  in send_lock_cancel()
1629 		cifs_tcon_dbg(VFS, "Bad MID state?\n");  in SendReceiveBlockingLock()
1670 __cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid,  in __cifs_readv_discard()  argument
1676 	dequeue_mid(mid, malformed);  in __cifs_readv_discard()
1677 	mid->resp_buf = server->smallbuf;  in __cifs_readv_discard()
1683 cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid)  in cifs_readv_discard()  argument
1685 	struct cifs_io_subrequest *rdata = mid->callback_data;  in cifs_readv_discard()
1687 	return  __cifs_readv_discard(server, mid, rdata->result);  in cifs_readv_discard()
1691 cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid)  in cifs_readv_receive()  argument
1695 	struct cifs_io_subrequest *rdata = mid->callback_data;  in cifs_readv_receive()
1700 	cifs_dbg(FYI, "%s: mid=%llu offset=%llu bytes=%zu\n",  in cifs_readv_receive()
1701 		 __func__, mid->mid, rdata->subreq.start, rdata->subreq.len);  in cifs_readv_receive()
1706 	 * the Mid.  in cifs_readv_receive()
1746 		return __cifs_readv_discard(server, mid, false);  in cifs_readv_receive()
1755 		return cifs_readv_discard(server, mid);  in cifs_readv_receive()
1774 		return cifs_readv_discard(server, mid);  in cifs_readv_receive()
1798 		return cifs_readv_discard(server, mid);  in cifs_readv_receive()
1817 		return cifs_readv_discard(server, mid);  in cifs_readv_receive()
1819 	dequeue_mid(mid, false);  in cifs_readv_receive()
1820 	mid->resp_buf = server->smallbuf;  in cifs_readv_receive()