dm: trigger change uevent on rename

PATCH New Alasdair G Kergon 1 participant 1 message Dec 13, 2007 Device mapper

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Alasdair G Kergon

author maintainer

2007-12-13 14:43 UTC #0 lore raw

PATCH 4/6 dm: trigger change uevent on rename

From: Alasdair G Kergon <[email protected]>

Insert a missing KOBJ_CHANGE notification when a device is renamed.

Cc Scott James Remnant <[email protected]>

Signed-off-by Alasdair G Kergon <[email protected]>

---
 drivers/md/dm-ioctl.c |    2 ++
 drivers/md/dm.c       |    7 ++++++-
 drivers/md/dm.h       |    2 ++
 3 files changed, 10 insertions(+), 1 deletion(-)

drivers/md/dm-ioctl.c +2 -0

Index: linux-2.6.24-rc5/drivers/md/dm-ioctl.c
===================================================================
@@ -332,6 +332,8 @@ static int dm_hash_rename(const char *ol
 		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

Index: linux-2.6.24-rc5/drivers/md/dm.c
===================================================================
@@ -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);

drivers/md/dm.h +2 -0

Index: linux-2.6.24-rc5/drivers/md/dm.h
===================================================================
@@ -187,4 +187,6 @@ union map_info *dm_get_mapinfo(struct bi
 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