diff -Naurp kernel-source-2.6.12-orig/fs/super.c kernel-source-2.6.12/fs/super.c
--- kernel-source-2.6.12-orig/fs/super.c	2005-06-17 23:48:29 +0400
+++ kernel-source-2.6.12/fs/super.c	2005-08-31 19:17:54 +0400
@@ -734,6 +734,7 @@ void kill_block_super(struct super_block
 	generic_shutdown_super(sb);
 	sync_blockdev(bdev);
 	close_bdev_excl(bdev);
+	bdev_uevent(bdev, KOBJ_FREE);
 }
 
 EXPORT_SYMBOL(kill_block_super);
diff -Naurp kernel-source-2.6.12-orig/include/linux/kobject_uevent.h kernel-source-2.6.12/include/linux/kobject_uevent.h
--- kernel-source-2.6.12-orig/include/linux/kobject_uevent.h	2005-06-17 23:48:29 +0400
+++ kernel-source-2.6.12/include/linux/kobject_uevent.h	2005-08-31 19:16:50 +0400
@@ -29,6 +29,7 @@ enum kobject_action {
 	KOBJ_UMOUNT	= (__force kobject_action_t) 0x05,	/* umount event for block devices */
 	KOBJ_OFFLINE	= (__force kobject_action_t) 0x06,	/* offline event for hotplug devices */
 	KOBJ_ONLINE	= (__force kobject_action_t) 0x07,	/* online event for hotplug devices */
+	KOBJ_FREE	= (__force kobject_action_t) 0x08,	/* free device event for block devices */
 };
 
 
diff -Naurp kernel-source-2.6.12-orig/lib/kobject_uevent.c kernel-source-2.6.12/lib/kobject_uevent.c
--- kernel-source-2.6.12-orig/lib/kobject_uevent.c	2005-06-17 23:48:29 +0400
+++ kernel-source-2.6.12/lib/kobject_uevent.c	2005-08-31 19:18:13 +0400
@@ -44,6 +44,8 @@ static char *action_to_string(enum kobje
 		return "offline";
 	case KOBJ_ONLINE:
 		return "online";
+	case KOBJ_FREE:
+		return "free";
 	default:
 		return NULL;
 	}