36 cifs_wake_up_task(struct mid_q_entry *mid)  in cifs_wake_up_task()  argument
38 	wake_up_process(mid->callback_data);  in cifs_wake_up_task()
54 	temp->mid = get_mid(smb_buffer);  in alloc_mid()
59 	/* when mid allocated can be before when sent */  in alloc_mid()
64 	 * The default is for the mid to be synchronous, so the  in alloc_mid()
103 		cifs_server_dbg(VFS, "Invalid mid allocation time\n");  in __release_mid()
139 		trace_smb3_slow_rsp(smb_cmd, midEntry->mid, midEntry->pid,  in __release_mid()
142 			pr_debug("slow rsp: cmd %d mid %llu",  in __release_mid()
143 				 midEntry->command, midEntry->mid);  in __release_mid()
156 void release_mid(struct mid_q_entry *mid)  in release_mid()  argument
158 	struct TCP_Server_Info *server = mid->server;  in release_mid()
161 	kref_put(&mid->refcount, __release_mid);  in release_mid()
166 delete_mid(struct mid_q_entry *mid)  in delete_mid()  argument
168 	spin_lock(&mid->server->mid_lock);  in delete_mid()
169 	if (!(mid->mid_flags & MID_DELETED)) {  in delete_mid()
170 		list_del_init(&mid->qhead);  in delete_mid()
171 		mid->mid_flags |= MID_DELETED;  in delete_mid()
173 	spin_unlock(&mid->server->mid_lock);  in delete_mid()
175 	release_mid(mid);  in delete_mid()
403 	 * mid entry to be kept in the pending requests queue thus allowing  in __smb_send_rqst()
681 		 * processes a missing mid) and we exhausted most available  in wait_for_compound_request()
770 	struct mid_q_entry *mid;  in cifs_setup_async_request()  local
780 	mid = alloc_mid(hdr, server);  in cifs_setup_async_request()
781 	if (mid == NULL)  in cifs_setup_async_request()
784 	rc = cifs_sign_rqst(rqst, server, &mid->sequence_number);  in cifs_setup_async_request()
786 		release_mid(mid);  in cifs_setup_async_request()
790 	return mid;  in cifs_setup_async_request()
794  * Send a SMB request and set the callback function in the mid to handle
804 	struct mid_q_entry *mid;  in cifs_call_async()  local
833 	mid = server->ops->setup_async_request(server, rqst);  in cifs_call_async()
834 	if (IS_ERR(mid)) {  in cifs_call_async()
837 		return PTR_ERR(mid);  in cifs_call_async()
840 	mid->receive = receive;  in cifs_call_async()
841 	mid->callback = callback;  in cifs_call_async()
842 	mid->callback_data = cbdata;  in cifs_call_async()
843 	mid->handle = handle;  in cifs_call_async()
844 	mid->mid_state = MID_REQUEST_SUBMITTED;  in cifs_call_async()
848 	list_add_tail(&mid->qhead, &server->pending_mid_q);  in cifs_call_async()
852 	 * Need to store the time in mid before calling I/O. For call_async,  in cifs_call_async()
853 	 * I/O response may come back and free the mid entry on another thread.  in cifs_call_async()
855 	cifs_save_when_sent(mid);  in cifs_call_async()
861 		revert_current_mid(server, mid->credits);  in cifs_call_async()
863 		delete_mid(mid);  in cifs_call_async()
903 cifs_sync_mid_result(struct mid_q_entry *mid, struct TCP_Server_Info *server)  in cifs_sync_mid_result()  argument
907 	cifs_dbg(FYI, "%s: cmd=%d mid=%llu state=%d\n",  in cifs_sync_mid_result()
908 		 __func__, le16_to_cpu(mid->command), mid->mid, mid->mid_state);  in cifs_sync_mid_result()
911 	switch (mid->mid_state) {  in cifs_sync_mid_result()
925 		if (!(mid->mid_flags & MID_DELETED)) {  in cifs_sync_mid_result()
926 			list_del_init(&mid->qhead);  in cifs_sync_mid_result()
927 			mid->mid_flags |= MID_DELETED;  in cifs_sync_mid_result()
929 		cifs_server_dbg(VFS, "%s: invalid mid state mid=%llu state=%d\n",  in cifs_sync_mid_result()
930 			 __func__, mid->mid, mid->mid_state);  in cifs_sync_mid_result()
935 	release_mid(mid);  in cifs_sync_mid_result()
941 	    struct mid_q_entry *mid)  in send_cancel()  argument
944 				server->ops->send_cancel(server, rqst, mid) : 0;  in send_cancel()
948 cifs_check_receive(struct mid_q_entry *mid, struct TCP_Server_Info *server,  in cifs_check_receive()  argument
951 	unsigned int len = get_rfc1002_length(mid->resp_buf) + 4;  in cifs_check_receive()
953 	dump_smb(mid->resp_buf, min_t(u32, 92, len));  in cifs_check_receive()
962 		iov[0].iov_base = mid->resp_buf;  in cifs_check_receive()
964 		iov[1].iov_base = (char *)mid->resp_buf + 4;  in cifs_check_receive()
968 					   mid->sequence_number);  in cifs_check_receive()
975 	return map_and_check_smb_error(mid, log_error);  in cifs_check_receive()
984 	struct mid_q_entry *mid;  in cifs_setup_request()  local
990 	rc = allocate_mid(ses, hdr, &mid);  in cifs_setup_request()
993 	rc = cifs_sign_rqst(rqst, ses->server, &mid->sequence_number);  in cifs_setup_request()
995 		delete_mid(mid);  in cifs_setup_request()
998 	return mid;  in cifs_setup_request()
1002 cifs_compound_callback(struct mid_q_entry *mid)  in cifs_compound_callback()  argument
1004 	struct TCP_Server_Info *server = mid->server;  in cifs_compound_callback()
1007 	credits.value = server->ops->get_credits(mid);  in cifs_compound_callback()
1010 	add_credits(server, &credits, mid->optype);  in cifs_compound_callback()
1014 cifs_compound_last_callback(struct mid_q_entry *mid)  in cifs_compound_last_callback()  argument
1016 	cifs_compound_callback(mid);  in cifs_compound_last_callback()
1017 	cifs_wake_up_task(mid);  in cifs_compound_last_callback()
1021 cifs_cancelled_callback(struct mid_q_entry *mid)  in cifs_cancelled_callback()  argument
1023 	cifs_compound_callback(mid);  in cifs_cancelled_callback()
1024 	release_mid(mid);  in cifs_cancelled_callback()
1177 	 * we will collect credits granted by the server in the mid callbacks  in compound_send_recv()
1203 			cifs_server_dbg(FYI, "Cancelling wait for mid %llu cmd: %d\n",  in compound_send_recv()
1204 				 midQ[i]->mid, le16_to_cpu(midQ[i]->command));  in compound_send_recv()
1223 			/* mark this mid as cancelled to not free it below */  in compound_send_recv()
1231 			cifs_dbg(FYI, "Bad MID state?\n");  in compound_send_recv()
1437 		cifs_server_dbg(VFS, "Bad MID state?\n");  in SendReceive()
1470 	pSMB->hdr.Mid = get_next_mid(ses->server);  in send_lock_cancel()
1621 		cifs_tcon_dbg(VFS, "Bad MID state?\n");  in SendReceiveBlockingLock()
1662 __cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid,  in __cifs_readv_discard()  argument
1668 	dequeue_mid(mid, malformed);  in __cifs_readv_discard()
1669 	mid->resp_buf = server->smallbuf;  in __cifs_readv_discard()
1675 cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid)  in cifs_readv_discard()  argument
1677 	struct cifs_readdata *rdata = mid->callback_data;  in cifs_readv_discard()
1679 	return  __cifs_readv_discard(server, mid, rdata->result);  in cifs_readv_discard()
1683 cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid)  in cifs_readv_receive()  argument
1687 	struct cifs_readdata *rdata = mid->callback_data;  in cifs_readv_receive()
1692 	cifs_dbg(FYI, "%s: mid=%llu offset=%llu bytes=%u\n",  in cifs_readv_receive()
1693 		 __func__, mid->mid, rdata->offset, rdata->bytes);  in cifs_readv_receive()
1698 	 * the Mid.  in cifs_readv_receive()
1738 		return __cifs_readv_discard(server, mid, false);  in cifs_readv_receive()
1747 		return cifs_readv_discard(server, mid);  in cifs_readv_receive()
1766 		return cifs_readv_discard(server, mid);  in cifs_readv_receive()
1790 		return cifs_readv_discard(server, mid);  in cifs_readv_receive()
1804 		return cifs_readv_discard(server, mid);  in cifs_readv_receive()
1806 	dequeue_mid(mid, false);  in cifs_readv_receive()
1807 	mid->resp_buf = server->smallbuf;  in cifs_readv_receive()