| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * Device Mapper Uevent Support |
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| 4 | * |
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| 5 | * Copyright IBM Corporation, 2007 |
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| 6 | * Author: Mike Anderson <andmike@linux.vnet.ibm.com> |
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| 7 | */ |
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| 8 | #ifndef DM_UEVENT_H |
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| 9 | #define DM_UEVENT_H |
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| 10 | |
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| 11 | enum dm_uevent_type { |
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| 12 | DM_UEVENT_PATH_FAILED, |
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| 13 | DM_UEVENT_PATH_REINSTATED, |
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| 14 | }; |
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| 15 | |
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| 16 | #ifdef CONFIG_DM_UEVENT |
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| 17 | |
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| 18 | extern int dm_uevent_init(void); |
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| 19 | extern void dm_uevent_exit(void); |
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| 20 | extern void dm_send_uevents(struct list_head *events, struct kobject *kobj); |
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| 21 | extern void dm_path_uevent(enum dm_uevent_type event_type, |
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| 22 | struct dm_target *ti, const char *path, |
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| 23 | unsigned int nr_valid_paths); |
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| 24 | |
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| 25 | #else |
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| 26 | |
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| 27 | static inline int dm_uevent_init(void) |
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| 28 | { |
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| 29 | return 0; |
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| 30 | } |
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| 31 | static inline void dm_uevent_exit(void) |
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| 32 | { |
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| 33 | } |
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| 34 | static inline void dm_send_uevents(struct list_head *events, |
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| 35 | struct kobject *kobj) |
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| 36 | { |
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| 37 | } |
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| 38 | static inline void dm_path_uevent(enum dm_uevent_type event_type, |
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| 39 | struct dm_target *ti, const char *path, |
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| 40 | unsigned int nr_valid_paths) |
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| 41 | { |
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| 42 | } |
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| 43 | |
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| 44 | #endif /* CONFIG_DM_UEVENT */ |
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| 45 | |
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| 46 | #endif /* DM_UEVENT_H */ |
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| 47 | |
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