genhd: send async notification on media change
Send an uevent to user space to indicate that a media change event has
occurred.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 3fcfed2..9756fc1 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -66,6 +66,7 @@
#include <linux/smp.h>
#include <linux/string.h>
#include <linux/fs.h>
+#include <linux/workqueue.h>
struct partition {
unsigned char boot_ind; /* 0x80 - active */
@@ -139,6 +140,7 @@
#else
struct disk_stats dkstats;
#endif
+ struct work_struct async_notify;
};
/* Structure for sysfs attributes on block devices */
@@ -420,7 +422,7 @@
extern struct gendisk *alloc_disk(int minors);
extern struct kobject *get_disk(struct gendisk *disk);
extern void put_disk(struct gendisk *disk);
-
+extern void genhd_media_change_notify(struct gendisk *disk);
extern void blk_register_region(dev_t dev, unsigned long range,
struct module *module,
struct kobject *(*probe)(dev_t, int *, void *),