101 	struct block_device *bdev;  in dasd_scan_partitions()  local
104 	bdev = blkdev_get_by_dev(disk_devt(block->gdp), FMODE_READ, NULL);  in dasd_scan_partitions()
105 	if (IS_ERR(bdev)) {  in dasd_scan_partitions()
108 			      PTR_ERR(bdev));  in dasd_scan_partitions()
112 	mutex_lock(&bdev->bd_mutex);  in dasd_scan_partitions()
113 	rc = bdev_disk_changed(bdev, false);  in dasd_scan_partitions()
114 	mutex_unlock(&bdev->bd_mutex);  in dasd_scan_partitions()
129 	block->bdev = bdev;  in dasd_scan_partitions()
139 	struct block_device *bdev;  in dasd_destroy_partitions()  local
145 	bdev = block->bdev;  in dasd_destroy_partitions()
146 	block->bdev = NULL;  in dasd_destroy_partitions()
148 	mutex_lock(&bdev->bd_mutex);  in dasd_destroy_partitions()
149 	blk_drop_partitions(bdev);  in dasd_destroy_partitions()
150 	mutex_unlock(&bdev->bd_mutex);  in dasd_destroy_partitions()
153 	blkdev_put(bdev, FMODE_READ);  in dasd_destroy_partitions()