Line data    Source code

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