/*
   * Device Mapper Uevent Support
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the
   * Free Software Foundation; either version 2 of the License, or (at your
   * option) any later version.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program; if not, write to the Free Software Foundation, Inc.,
   * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
   *
   * 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 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 nr_valid_paths)
  {
  }

  
  #endif	/* CONFIG_DM_UEVENT */
  
  #endif	/* DM_UEVENT_H */