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dm: trigger change uevent on rename 

Insert a missing KOBJ_CHANGE notification when a device is renamed.

Cc: Scott James Remnant <scott@ubuntu.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Alasdair G Kergon 2007-12-13 14:15:57 +00:00
parent adfe47702c
commit 69267a30be
3 changed files with 10 additions and 1 deletions
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2
drivers/md/dm-ioctl.c
View File

@ -332,6 +332,8 @@ static int dm_hash_rename(const char *old, const char *new)
dm_table_put(table);
}
dm_kobject_uevent(hc->md);
dm_put(hc->md);
up_write(&_hash_lock);
kfree(old_name);

7
drivers/md/dm.c
View File

@ -1514,7 +1514,7 @@ int dm_resume(struct mapped_device *md)
dm_table_unplug_all(map);
kobject_uevent(&md->disk->kobj, KOBJ_CHANGE);
dm_kobject_uevent(md);
r = 0;
@ -1528,6 +1528,11 @@ out:
/*-----------------------------------------------------------------
* Event notification.
*---------------------------------------------------------------*/
void dm_kobject_uevent(struct mapped_device *md)
{
kobject_uevent(&md->disk->kobj, KOBJ_CHANGE);
}
uint32_t dm_next_uevent_seq(struct mapped_device *md)
{
return atomic_add_return(1, &md->uevent_seq);

2
drivers/md/dm.h
View File

@ -187,4 +187,6 @@ union map_info *dm_get_mapinfo(struct bio *bio);
int dm_open_count(struct mapped_device *md);
int dm_lock_for_deletion(struct mapped_device *md);
void dm_kobject_uevent(struct mapped_device *md);
#endif