39 static void dm_uevent_free(struct dm_uevent *event)  in dm_uevent_free()  argument
41 	kmem_cache_free(_dm_event_cache, event);  in dm_uevent_free()
46 	struct dm_uevent *event;  in dm_uevent_alloc()  local
48 	event = kmem_cache_zalloc(_dm_event_cache, GFP_ATOMIC);  in dm_uevent_alloc()
49 	if (!event)  in dm_uevent_alloc()
52 	INIT_LIST_HEAD(&event->elist);  in dm_uevent_alloc()
53 	event->md = md;  in dm_uevent_alloc()
55 	return event;  in dm_uevent_alloc()
65 	struct dm_uevent *event;  in dm_build_path_uevent()  local
67 	event = dm_uevent_alloc(md);  in dm_build_path_uevent()
68 	if (!event) {  in dm_build_path_uevent()
73 	event->action = action;  in dm_build_path_uevent()
75 	if (add_uevent_var(&event->ku_env, "DM_TARGET=%s", ti->type->name)) {  in dm_build_path_uevent()
81 	if (add_uevent_var(&event->ku_env, "DM_ACTION=%s", dm_action)) {  in dm_build_path_uevent()
87 	if (add_uevent_var(&event->ku_env, "DM_SEQNUM=%u",  in dm_build_path_uevent()
94 	if (add_uevent_var(&event->ku_env, "DM_PATH=%s", path)) {  in dm_build_path_uevent()
99 	if (add_uevent_var(&event->ku_env, "DM_NR_VALID_PATHS=%d",  in dm_build_path_uevent()
106 	return event;  in dm_build_path_uevent()
109 	dm_uevent_free(event);  in dm_build_path_uevent()
118  * @kobj:	kobject generating event
124 	struct dm_uevent *event, *next;  in dm_send_uevents()  local
126 	list_for_each_entry_safe(event, next, events, elist) {  in dm_send_uevents()
127 		list_del_init(&event->elist);  in dm_send_uevents()
133 		if (dm_copy_name_and_uuid(event->md, event->name,  in dm_send_uevents()
134 					  event->uuid)) {  in dm_send_uevents()
140 		if (add_uevent_var(&event->ku_env, "DM_NAME=%s", event->name)) {  in dm_send_uevents()
146 		if (add_uevent_var(&event->ku_env, "DM_UUID=%s", event->uuid)) {  in dm_send_uevents()
152 		r = kobject_uevent_env(kobj, event->action, event->ku_env.envp);  in dm_send_uevents()
156 		dm_uevent_free(event);  in dm_send_uevents()
162  * dm_path_uevent - called to create a new path event and queue it
164  * @event_type:	path event type enum
174 	struct dm_uevent *event;  in dm_path_uevent()  local
181 	event = dm_build_path_uevent(md, ti,  in dm_path_uevent()
185 	if (IS_ERR(event))  in dm_path_uevent()
188 	dm_uevent_add(md, &event->elist);  in dm_path_uevent()