1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * NILFS direct block pointer.
5 * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
7 * Written by Koji Sato.
10 #ifndef _NILFS_DIRECT_H
11 #define _NILFS_DIRECT_H
13 #include <linux/types.h>
14 #include <linux/buffer_head.h>
18 #define NILFS_DIRECT_NBLOCKS (NILFS_BMAP_SIZE / sizeof(__le64) - 1)
19 #define NILFS_DIRECT_KEY_MIN 0
20 #define NILFS_DIRECT_KEY_MAX (NILFS_DIRECT_NBLOCKS - 1)
23 int nilfs_direct_init(struct nilfs_bmap *);
24 int nilfs_direct_delete_and_convert(struct nilfs_bmap *, __u64, __u64 *,
28 #endif /* _NILFS_DIRECT_H */