370 	struct pr_reservation rsv;  in blkdev_pr_reserve()  local
376 	if (copy_from_user(&rsv, arg, sizeof(rsv)))  in blkdev_pr_reserve()
379 	if (rsv.flags & ~PR_FL_IGNORE_KEY)  in blkdev_pr_reserve()
381 	return ops->pr_reserve(bdev, rsv.key, rsv.type, rsv.flags);  in blkdev_pr_reserve()
388 	struct pr_reservation rsv;  in blkdev_pr_release()  local
394 	if (copy_from_user(&rsv, arg, sizeof(rsv)))  in blkdev_pr_release()
397 	if (rsv.flags)  in blkdev_pr_release()
399 	return ops->pr_release(bdev, rsv.key, rsv.type);  in blkdev_pr_release()
497 	struct pr_held_reservation rsv = {};  in blkdev_pr_read_reservation()  local
506 	ret = ops->pr_read_reservation(bdev, &rsv);  in blkdev_pr_read_reservation()
510 	out.key = rsv.key;  in blkdev_pr_read_reservation()
511 	out.generation = rsv.generation;  in blkdev_pr_read_reservation()
512 	out.type = rsv.type;  in blkdev_pr_read_reservation()