12 	struct gendisk		*disk;		/* the associated disk */  member
41 static unsigned long disk_events_poll_jiffies(struct gendisk *disk)  in disk_events_poll_jiffies()  argument
43 	struct disk_events *ev = disk->ev;  in disk_events_poll_jiffies()
52 	else if (disk->event_flags & DISK_EVENT_FLAG_POLL)  in disk_events_poll_jiffies()
73 void disk_block_events(struct gendisk *disk)  in disk_block_events()  argument
75 	struct disk_events *ev = disk->ev;  in disk_block_events()
93 		cancel_delayed_work_sync(&disk->ev->dwork);  in disk_block_events()
98 static void __disk_unblock_events(struct gendisk *disk, bool check_now)  in __disk_unblock_events()  argument
100 	struct disk_events *ev = disk->ev;  in __disk_unblock_events()
112 	intv = disk_events_poll_jiffies(disk);  in __disk_unblock_events()
133 void disk_unblock_events(struct gendisk *disk)  in disk_unblock_events()  argument
135 	if (disk->ev)  in disk_unblock_events()
136 		__disk_unblock_events(disk, false);  in disk_unblock_events()
151 void disk_flush_events(struct gendisk *disk, unsigned int mask)  in disk_flush_events()  argument
153 	struct disk_events *ev = disk->ev;  in disk_flush_events()
171 static void disk_event_uevent(struct gendisk *disk, unsigned int events)  in disk_event_uevent()  argument
177 		if (events & disk->events & (1 << i))  in disk_event_uevent()
181 		kobject_uevent_env(&disk_to_dev(disk)->kobj, KOBJ_CHANGE, envp);  in disk_event_uevent()
187 	struct gendisk *disk = ev->disk;  in disk_check_events()  local
193 	events = disk->fops->check_events(disk, clearing);  in disk_check_events()
202 	intv = disk_events_poll_jiffies(disk);  in disk_check_events()
210 		inc_diskseq(disk);  in disk_check_events()
212 	if (disk->event_flags & DISK_EVENT_FLAG_UEVENT)  in disk_check_events()
213 		disk_event_uevent(disk, events);  in disk_check_events()
227 static unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask)  in disk_clear_events()  argument
229 	struct disk_events *ev = disk->ev;  in disk_clear_events()
236 	disk_block_events(disk);  in disk_clear_events()
253 	__disk_unblock_events(disk, ev->clearing ? true : false);  in disk_clear_events()
275 bool disk_check_media_change(struct gendisk *disk)  in disk_check_media_change()  argument
279 	events = disk_clear_events(disk, DISK_EVENT_MEDIA_CHANGE |  in disk_check_media_change()
284 	bdev_mark_dead(disk->part0, true);  in disk_check_media_change()
285 	set_bit(GD_NEED_PART_SCAN, &disk->state);  in disk_check_media_change()
298 void disk_force_media_change(struct gendisk *disk)  in disk_force_media_change()  argument
300 	disk_event_uevent(disk, DISK_EVENT_MEDIA_CHANGE);  in disk_force_media_change()
301 	inc_diskseq(disk);  in disk_force_media_change()
302 	bdev_mark_dead(disk->part0, true);  in disk_force_media_change()
303 	set_bit(GD_NEED_PART_SCAN, &disk->state);  in disk_force_media_change()
348 	struct gendisk *disk = dev_to_disk(dev);  in disk_events_show()  local
350 	if (!(disk->event_flags & DISK_EVENT_FLAG_UEVENT))  in disk_events_show()
352 	return __disk_events_show(disk->events, buf);  in disk_events_show()
365 	struct gendisk *disk = dev_to_disk(dev);  in disk_events_poll_msecs_show()  local
367 	if (!disk->ev)  in disk_events_poll_msecs_show()
369 	return sprintf(buf, "%ld\n", disk->ev->poll_msecs);  in disk_events_poll_msecs_show()
376 	struct gendisk *disk = dev_to_disk(dev);  in disk_events_poll_msecs_store()  local
385 	if (!disk->ev)  in disk_events_poll_msecs_store()
388 	disk_block_events(disk);  in disk_events_poll_msecs_store()
389 	disk->ev->poll_msecs = intv;  in disk_events_poll_msecs_store()
390 	__disk_unblock_events(disk, true);  in disk_events_poll_msecs_store()
417 		disk_flush_events(ev->disk, 0);  in disk_events_set_dfl_poll_msecs()
436 int disk_alloc_events(struct gendisk *disk)  in disk_alloc_events()  argument
440 	if (!disk->fops->check_events || !disk->events)  in disk_alloc_events()
445 		pr_warn("%s: failed to initialize events\n", disk->disk_name);  in disk_alloc_events()
450 	ev->disk = disk;  in disk_alloc_events()
457 	disk->ev = ev;  in disk_alloc_events()
461 void disk_add_events(struct gendisk *disk)  in disk_add_events()  argument
463 	if (!disk->ev)  in disk_add_events()
467 	list_add_tail(&disk->ev->node, &disk_events);  in disk_add_events()
474 	__disk_unblock_events(disk, true);  in disk_add_events()
477 void disk_del_events(struct gendisk *disk)  in disk_del_events()  argument
479 	if (disk->ev) {  in disk_del_events()
480 		disk_block_events(disk);  in disk_del_events()
483 		list_del_init(&disk->ev->node);  in disk_del_events()
488 void disk_release_events(struct gendisk *disk)  in disk_release_events()  argument
491 	WARN_ON_ONCE(disk->ev && disk->ev->block != 1);  in disk_release_events()
492 	kfree(disk->ev);  in disk_release_events()