dm: uevent generate events
This patch adds support for the dm_path_event dm_send_event functions which
create and send udev events.
Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-uevent.h b/drivers/md/dm-uevent.h
index 9d77683..2eccc8b 100644
--- a/drivers/md/dm-uevent.h
+++ b/drivers/md/dm-uevent.h
@@ -21,10 +21,19 @@
#ifndef DM_UEVENT_H
#define DM_UEVENT_H
+enum dm_uevent_type {
+ DM_UEVENT_PATH_FAILED,
+ DM_UEVENT_PATH_REINSTATED,
+};
+
#ifdef CONFIG_DM_UEVENT
extern int dm_uevent_init(void);
extern void dm_uevent_exit(void);
+extern void dm_send_uevents(struct list_head *events, struct kobject *kobj);
+extern void dm_path_uevent(enum dm_uevent_type event_type,
+ struct dm_target *ti, const char *path,
+ unsigned nr_valid_paths);
#else
@@ -35,6 +44,15 @@
static inline void dm_uevent_exit(void)
{
}
+static inline void dm_send_uevents(struct list_head *events,
+ struct kobject *kobj)
+{
+}
+static inline void dm_path_uevent(enum dm_uevent_type event_type,
+ struct dm_target *ti, const char *path,
+ unsigned nr_valid_paths)
+{
+}
#endif /* CONFIG_DM_UEVENT */