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Commit 69267a30 authored by Alasdair G Kergon's avatar Alasdair G Kergon
Browse files

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: default avatarAlasdair G Kergon <agk@redhat.com>
parent adfe4770

drivers/md/dm-ioctl.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

drivers/md/dm.c

+6 −1
Original line number Diff line number Diff line
@@ -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 @@ int dm_resume(struct mapped_device *md) 
/*-----------------------------------------------------------------

 * 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);

drivers/md/dm.h

+2 −0
Original line number Diff line number Diff line
@@ -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