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dm: uevent generate events

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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>
This commit is contained in:
Mike Anderson
2007-10-19 22:48:01 +01:00
committed by Alasdair G Kergon
parent 51e5b2bd34
commit 7a8c3d3b92
5 changed files with 295 additions and 0 deletions
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18
drivers/md/dm-uevent.h
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@@ -21,10 +21,19 @@
#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
@@ -35,6 +44,15 @@ static inline int dm_uevent_init(void)
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 */