diff options
Diffstat (limited to 'drivers/md/dm-uevent.h')
| -rw-r--r-- | drivers/md/dm-uevent.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/md/dm-uevent.h b/drivers/md/dm-uevent.h new file mode 100644 index 0000000000..12a5d4fb7d --- /dev/null +++ b/drivers/md/dm-uevent.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Device Mapper Uevent Support + * + * Copyright IBM Corporation, 2007 + * Author: Mike Anderson <andmike@linux.vnet.ibm.com> + */ +#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 int nr_valid_paths); + +#else + +static inline int dm_uevent_init(void) +{ + return 0; +} +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 int nr_valid_paths) +{ +} + +#endif /* CONFIG_DM_UEVENT */ + +#endif /* DM_UEVENT_H */ |