52 static void dm_uevent_free(struct dm_uevent *event)  in dm_uevent_free()  argument
54 	kmem_cache_free(_dm_event_cache, event);  in dm_uevent_free()
59 	struct dm_uevent *event;  in dm_uevent_alloc()  local
61 	event = kmem_cache_zalloc(_dm_event_cache, GFP_ATOMIC);  in dm_uevent_alloc()
62 	if (!event)  in dm_uevent_alloc()
65 	INIT_LIST_HEAD(&event->elist);  in dm_uevent_alloc()
66 	event->md = md;  in dm_uevent_alloc()
68 	return event;  in dm_uevent_alloc()
78 	struct dm_uevent *event;  in dm_build_path_uevent()  local
80 	event = dm_uevent_alloc(md);  in dm_build_path_uevent()
81 	if (!event) {  in dm_build_path_uevent()
86 	event->action = action;  in dm_build_path_uevent()
88 	if (add_uevent_var(&event->ku_env, "DM_TARGET=%s", ti->type->name)) {  in dm_build_path_uevent()
94 	if (add_uevent_var(&event->ku_env, "DM_ACTION=%s", dm_action)) {  in dm_build_path_uevent()
100 	if (add_uevent_var(&event->ku_env, "DM_SEQNUM=%u",  in dm_build_path_uevent()
107 	if (add_uevent_var(&event->ku_env, "DM_PATH=%s", path)) {  in dm_build_path_uevent()
112 	if (add_uevent_var(&event->ku_env, "DM_NR_VALID_PATHS=%d",  in dm_build_path_uevent()
119 	return event;  in dm_build_path_uevent()
122 	dm_uevent_free(event);  in dm_build_path_uevent()
137 	struct dm_uevent *event, *next;  in dm_send_uevents()  local
139 	list_for_each_entry_safe(event, next, events, elist) {  in dm_send_uevents()
140 		list_del_init(&event->elist);  in dm_send_uevents()
146 		if (dm_copy_name_and_uuid(event->md, event->name,  in dm_send_uevents()
147 					  event->uuid)) {  in dm_send_uevents()
153 		if (add_uevent_var(&event->ku_env, "DM_NAME=%s", event->name)) {  in dm_send_uevents()
159 		if (add_uevent_var(&event->ku_env, "DM_UUID=%s", event->uuid)) {  in dm_send_uevents()
165 		r = kobject_uevent_env(kobj, event->action, event->ku_env.envp);  in dm_send_uevents()
169 		dm_uevent_free(event);  in dm_send_uevents()
187 	struct dm_uevent *event;  in dm_path_uevent()  local
194 	event = dm_build_path_uevent(md, ti,  in dm_path_uevent()
198 	if (IS_ERR(event))  in dm_path_uevent()
201 	dm_uevent_add(md, &event->elist);  in dm_path_uevent()