30 struct irq_entry {  struct
31 	struct irq_entry *next;  argument
36 static struct irq_entry *active_fds;  argument
63 	struct irq_entry *irq_entry;  in sigio_handler()  local
88 			irq_entry = (struct irq_entry *)  in sigio_handler()
91 				irq = irq_entry->irq_array[j];  in sigio_handler()
97 					irq_entry->irq_array[j] = NULL;  in sigio_handler()
105 static int assign_epoll_events_to_irq(struct irq_entry *irq_entry)  in assign_epoll_events_to_irq()  argument
112 		irq = irq_entry->irq_array[i];  in assign_epoll_events_to_irq()
118 		return os_add_epoll_fd(events, irq_entry->fd, irq_entry);  in assign_epoll_events_to_irq()
121 	return os_del_epoll_fd(irq_entry->fd);  in assign_epoll_events_to_irq()
129 	struct irq_entry *irq_entry;  in activate_fd()  local
142 	for (irq_entry = active_fds;  in activate_fd()
143 		irq_entry != NULL; irq_entry = irq_entry->next) {  in activate_fd()
144 		if (irq_entry->fd == fd)  in activate_fd()
148 	if (irq_entry == NULL) {  in activate_fd()
152 		irq_entry = kmalloc(sizeof(struct irq_entry), GFP_ATOMIC);  in activate_fd()
153 		if (irq_entry == NULL) {  in activate_fd()
158 		irq_entry->fd = fd;  in activate_fd()
160 			irq_entry->irq_array[i] = NULL;  in activate_fd()
161 		irq_entry->next = active_fds;  in activate_fd()
162 		active_fds = irq_entry;  in activate_fd()
169 	if (irq_entry->irq_array[type] != NULL) {  in activate_fd()
197 		os_del_epoll_fd(irq_entry->fd);  in activate_fd()
198 		irq_entry->irq_array[type] = new_fd;  in activate_fd()
202 	assign_epoll_events_to_irq(irq_entry);  in activate_fd()
222 	struct irq_entry *walk;  in garbage_collect_irq_entries()
223 	struct irq_entry *previous = NULL;  in garbage_collect_irq_entries()
224 	struct irq_entry *to_free;  in garbage_collect_irq_entries()
256 static struct irq_entry *get_irq_entry_by_fd(int fd)  in get_irq_entry_by_fd()
258 	struct irq_entry *walk = active_fds;  in get_irq_entry_by_fd()
280 	struct irq_entry *irq_entry,  in do_free_by_irq_and_dev()  argument
290 		if (irq_entry->irq_array[i] != NULL) {  in do_free_by_irq_and_dev()
293 				(irq_entry->irq_array[i]->irq == irq)) &&  in do_free_by_irq_and_dev()
295 				(irq_entry->irq_array[i]->id == dev))  in do_free_by_irq_and_dev()
300 				os_del_epoll_fd(irq_entry->fd);  in do_free_by_irq_and_dev()
301 				to_free = irq_entry->irq_array[i];  in do_free_by_irq_and_dev()
302 				irq_entry->irq_array[i] = NULL;  in do_free_by_irq_and_dev()
303 				assign_epoll_events_to_irq(irq_entry);  in do_free_by_irq_and_dev()
315 	struct irq_entry *to_free;  in free_irq_by_fd()
335 	struct irq_entry *to_free;  in free_irq_by_irq_and_dev()
361 	struct irq_entry *to_free;  in deactivate_fd()
390 	struct irq_entry *to_free;  in deactivate_all_fds()