1 files changed, 20 insertions, 1 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 570ae59c1d5..bd591499414 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -336,6 +336,9 @@ static int
 dasd_state_ready_to_online(struct dasd_device * device)
 {
         int rc;
+        struct gendisk *disk;
+        struct disk_part_iter piter;
+        struct hd_struct *part;
 
         if (device->discipline->ready_to_online) {
                 rc = device->discipline->ready_to_online(device);
@@ -343,8 +346,14 @@ dasd_state_ready_to_online(struct dasd_device * device)
                         return rc;
         }
         device->state = DASD_STATE_ONLINE;
-        if (device->block)
+        if (device->block) {
                 dasd_schedule_block_bh(device->block);
+                disk = device->block->bdev->bd_disk;
+                disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0);
+                while ((part = disk_part_iter_next(&piter)))
+                        kobject_uevent(&part_to_dev(part)->kobj, KOBJ_CHANGE);
+                disk_part_iter_exit(&piter);
+        }
         return 0;
 }
 
@@ -354,6 +363,9 @@ dasd_state_ready_to_online(struct dasd_device * device)
 static int dasd_state_online_to_ready(struct dasd_device *device)
 {
         int rc;
+        struct gendisk *disk;
+        struct disk_part_iter piter;
+        struct hd_struct *part;
 
         if (device->discipline->online_to_ready) {
                 rc = device->discipline->online_to_ready(device);
@@ -361,6 +373,13 @@ static int dasd_state_online_to_ready(struct dasd_device *device)
                         return rc;
         }
         device->state = DASD_STATE_READY;
+        if (device->block) {
+                disk = device->block->bdev->bd_disk;
+                disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0);
+                while ((part = disk_part_iter_next(&piter)))
+                        kobject_uevent(&part_to_dev(part)->kobj, KOBJ_CHANGE);
+                disk_part_iter_exit(&piter);
+        }
         return 0;
 }