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Subject[PATCH 1/7] block: kill genhd_media_change_notify()
Date
There's no user of the facility.  Kill it.

Signed-off-by: Tejun Heo <tj@kernel.org>
---
block/genhd.c | 25 -------------------------
include/linux/genhd.h | 1 -
2 files changed, 0 insertions(+), 26 deletions(-)
diff --git a/block/genhd.c b/block/genhd.c
index 5fa2b44..0905ab2 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;
}
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 7a7b9c1..5e4e692 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -173,7 +173,6 @@ struct gendisk {
struct timer_rand_state *random;

atomic_t sync_io; /* RAID */
- struct work_struct async_notify;
#ifdef CONFIG_BLK_DEV_INTEGRITY
struct blk_integrity *integrity;
#endif
--
1.7.1


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