From 9cee7f7e90bbf0280a2b1dd2b85e2df88d3befed Mon Sep 17 00:00:00 2001
From: Lukas Czerner <lczerner@redhat.com>
Date: Thu, 6 Dec 2012 19:25:48 +0000
Subject: [PATCH] --- yaml --- r: 346733 b: refs/heads/master c:
 b8b8ff590f99678616f9ea85f5088542d1cfc0be h: refs/heads/master i:   346731:
 a557920946b990c46a793867abc732a9151c9f1d v: v3

---
 [refs]                   |  2 +-
 trunk/fs/btrfs/volumes.c | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 0b5b4a43e74b..ef12fd73c255 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ac6a2b36f9fcfbe4865550afb6d333dec6b57578
+refs/heads/master: b8b8ff590f99678616f9ea85f5088542d1cfc0be
diff --git a/trunk/fs/btrfs/volumes.c b/trunk/fs/btrfs/volumes.c
index 0b1b7e22e7ea..886f4ba0f71d 100644
--- a/trunk/fs/btrfs/volumes.c
+++ b/trunk/fs/btrfs/volumes.c
@@ -72,6 +72,19 @@ static void free_fs_devices(struct btrfs_fs_devices *fs_devices)
 	kfree(fs_devices);
 }
 
+static void btrfs_kobject_uevent(struct block_device *bdev,
+				 enum kobject_action action)
+{
+	int ret;
+
+	ret = kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, action);
+	if (ret)
+		pr_warn("Sending event '%d' to kobject: '%s' (%p): failed\n",
+			action,
+			kobject_name(&disk_to_dev(bdev->bd_disk)->kobj),
+			&disk_to_dev(bdev->bd_disk)->kobj);
+}
+
 void btrfs_cleanup_fs_uuids(void)
 {
 	struct btrfs_fs_devices *fs_devices;
@@ -1542,6 +1555,9 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
 
 	ret = 0;
 
+	/* Notify udev that device has changed */
+	btrfs_kobject_uevent(bdev, KOBJ_CHANGE);
+
 error_brelse:
 	brelse(bh);
 	if (bdev)