3 files changed, 7 insertions, 27 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index c7eb9a10c680..28c04a4efa66 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -428,23 +428,15 @@ static int dasd_state_unfmt_to_basic(struct dasd_device *device)
 static int
 dasd_state_ready_to_online(struct dasd_device * device)
 {
-	struct gendisk *disk;
-	struct disk_part_iter piter;
-	struct block_device *part;
-
 	device->state = DASD_STATE_ONLINE;
 	if (device->block) {
 		dasd_schedule_block_bh(device->block);
 		if ((device->features & DASD_FEATURE_USERAW)) {
-			disk = device->block->gdp;
-			kobject_uevent(&disk_to_dev(disk)->kobj, KOBJ_CHANGE);
+			kobject_uevent(&disk_to_dev(device->block->gdp)->kobj,
+					KOBJ_CHANGE);
 			return 0;
 		}
-		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(bdev_kobj(part), KOBJ_CHANGE);
-		disk_part_iter_exit(&piter);
+		disk_uevent(device->block->bdev->bd_disk, KOBJ_CHANGE);
 	}
 	return 0;
 }
@@ -455,9 +447,6 @@ 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 block_device *part;
 
 	if (device->discipline->online_to_ready) {
 		rc = device->discipline->online_to_ready(device);
@@ -466,13 +455,8 @@ static int dasd_state_online_to_ready(struct dasd_device *device)
 	}
 
 	device->state = DASD_STATE_READY;
-	if (device->block && !(device->features & DASD_FEATURE_USERAW)) {
-		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(bdev_kobj(part), KOBJ_CHANGE);
-		disk_part_iter_exit(&piter);
-	}
+	if (device->block && !(device->features & DASD_FEATURE_USERAW))
+		disk_uevent(device->block->bdev->bd_disk, KOBJ_CHANGE);
 	return 0;
 }
 
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 299e77ec2c41..da33cb4cba28 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -879,17 +879,13 @@ dcssblk_submit_bio(struct bio *bio)
 	blk_queue_split(&bio);
 
 	bytes_done = 0;
-	dev_info = bio->bi_disk->private_data;
+	dev_info = bio->bi_bdev->bd_disk->private_data;
 	if (dev_info == NULL)
 		goto fail;
 	if ((bio->bi_iter.bi_sector & 7) != 0 ||
 	    (bio->bi_iter.bi_size & 4095) != 0)
 		/* Request is not page-aligned. */
 		goto fail;
-	if (bio_end_sector(bio) > get_capacity(bio->bi_disk)) {
-		/* Request beyond end of DCSS segment. */
-		goto fail;
-	}
 	/* verify data transfer direction */
 	if (dev_info->is_shared) {
 		switch (dev_info->segment_type) {
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index c2536f7767b3..d1ed39162943 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -184,7 +184,7 @@ static unsigned long xpram_highest_page_index(void)
  */
 static blk_qc_t xpram_submit_bio(struct bio *bio)
 {
-	xpram_device_t *xdev = bio->bi_disk->private_data;
+	xpram_device_t *xdev = bio->bi_bdev->bd_disk->private_data;
 	struct bio_vec bvec;
 	struct bvec_iter iter;
 	unsigned int index;