diff --git a/[refs] b/[refs]
index a8ebdae8f496..9bec9b6927ec 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ba06d1e1d3350a38476ea6b7655ba7c047baad67
+refs/heads/master: 9d9598b81c5c05495009e81ac0508ec8d1558015
diff --git a/trunk/drivers/block/virtio_blk.c b/trunk/drivers/block/virtio_blk.c
index 8ad21a25bc0d..922bcb97e23a 100644
--- a/trunk/drivers/block/virtio_blk.c
+++ b/trunk/drivers/block/virtio_blk.c
@@ -539,6 +539,7 @@ static void virtblk_config_changed_work(struct work_struct *work)
 	struct virtio_device *vdev = vblk->vdev;
 	struct request_queue *q = vblk->disk->queue;
 	char cap_str_2[10], cap_str_10[10];
+	char *envp[] = { "RESIZE=1", NULL };
 	u64 capacity, size;
 
 	mutex_lock(&vblk->config_lock);
@@ -568,6 +569,7 @@ static void virtblk_config_changed_work(struct work_struct *work)
 
 	set_capacity(vblk->disk, capacity);
 	revalidate_disk(vblk->disk);
+	kobject_uevent_env(&disk_to_dev(vblk->disk)->kobj, KOBJ_CHANGE, envp);
 done:
 	mutex_unlock(&vblk->config_lock);
 }