block: kill genhd_media_change_notify()

There's no user of the facility.  Kill it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 0 insertions, 25 deletions

diff --git a/block/genhd.c b/block/genhd.c
index 5fa2b44a72ff..0905ab22c8cf 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1110,29 +1110,6 @@ static int __init proc_genhd_init(void)
 module_init(proc_genhd_init);
 #endif /* CONFIG_PROC_FS */
 
-static void media_change_notify_thread(struct work_struct *work)
-{
-        struct gendisk *gd = container_of(work, struct gendisk, async_notify);
-        char event[] = "MEDIA_CHANGE=1";
-        char *envp[] = { event, NULL };
-
-        /*
-         * set enviroment vars to indicate which event this is for
-         * so that user space will know to go check the media status.
-         */
-        kobject_uevent_env(&disk_to_dev(gd)->kobj, KOBJ_CHANGE, envp);
-        put_device(gd->driverfs_dev);
-}
-
-#if 0
-void genhd_media_change_notify(struct gendisk *disk)
-{
-        get_device(disk->driverfs_dev);
-        schedule_work(&disk->async_notify);
-}
-EXPORT_SYMBOL_GPL(genhd_media_change_notify);
-#endif  /*  0  */
-
 dev_t blk_lookup_devt(const char *name, int partno)
 {
         dev_t devt = MKDEV(0, 0);
@@ -1198,8 +1175,6 @@ struct gendisk *alloc_disk_node(int minors, int node_id)
                 disk_to_dev(disk)->class = &block_class;
                 disk_to_dev(disk)->type = &disk_type;
                 device_initialize(disk_to_dev(disk));
-                INIT_WORK(&disk->async_notify,
-                        media_change_notify_thread);
         }
         return disk;
 }