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1/* SPDX-License-Identifier: GPL-2.0+ */2/*3 * NILFS direct block pointer.4 *5 * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.6 *7 * Written by Koji Sato.8 */9 10#ifndef _NILFS_DIRECT_H11#define _NILFS_DIRECT_H12 13#include <linux/types.h>14#include <linux/buffer_head.h>15#include "bmap.h"16 17 18#define NILFS_DIRECT_NBLOCKS (NILFS_BMAP_SIZE / sizeof(__le64) - 1)19#define NILFS_DIRECT_KEY_MIN 020#define NILFS_DIRECT_KEY_MAX (NILFS_DIRECT_NBLOCKS - 1)21 22 23int nilfs_direct_init(struct nilfs_bmap *);24int nilfs_direct_delete_and_convert(struct nilfs_bmap *, __u64, __u64 *,25 __u64 *, int);26 27 28#endif /* _NILFS_DIRECT_H */29