diff --git a/block/ioctl.c b/block/ioctl.c
index 27bda77856e1..d78cd03403e4 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -444,6 +444,11 @@ static int blkdev_roset(struct block_device *bdev, fmode_t mode,
 		return -EACCES;
 	if (get_user(n, (int __user *)arg))
 		return -EFAULT;
+	if (bdev->bd_disk->fops->set_read_only) {
+		ret = bdev->bd_disk->fops->set_read_only(bdev, n);
+		if (ret)
+			return ret;
+	}
 	set_device_ro(bdev, n);
 	return 0;
 }
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 00af315aab4b..1474e8ed655b 100755
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -2141,6 +2141,7 @@ struct block_device_operations {
 	void (*unlock_native_capacity) (struct gendisk *);
 	int (*revalidate_disk) (struct gendisk *);
 	int (*getgeo)(struct block_device *, struct hd_geometry *);
+	int (*set_read_only)(struct block_device *bdev, bool ro);
 	/* this callback is with swap_lock and sometimes page table lock held */
 	void (*swap_slot_free_notify) (struct block_device *, unsigned long);
 	int (*check_disk_range_wp)(struct gendisk *d, sector_t s, sector_t l);