From: Alasdair G Kergon <agk@redhat.com>
Date: Thu, 13 Dec 2007 14:15:57 +0000 (+0000)
Subject: dm: trigger change uevent on rename
X-Git-Tag: v2.6.24-rc6~4^2~2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69267a30bed1fabec658058c63845528a8b813d4;p=linux-2.6

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>
---

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index be730fdd48..9627fa0f94 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -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);
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index cff2a714c1..88c0fd6578 100644
--- a/drivers/md/dm.c
+++ b/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);
diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index 177297a88e..b4584a3938 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -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