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linux/drivers/md/dm-uevent.h
Mike Anderson 7a8c3d3b92 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>
2007-10-20 02:01:26 +01:00

60 lines
1.6 KiB
C

/*
* 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 */