1/*	$NetBSD: ffs_extern.h,v 1.6 2003/08/07 11:25:33 agc Exp $	*/
2/* From: NetBSD: ffs_extern.h,v 1.19 2001/08/17 02:18:48 lukem Exp */
3
4/*-
5 * SPDX-License-Identifier: BSD-3-Clause
6 *
7 * Copyright (c) 1991, 1993, 1994
8 *	The Regents of the University of California.  All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	@(#)ffs_extern.h	8.6 (Berkeley) 3/30/95
35 * $FreeBSD$
36 */
37
38#include "ffs/buf.h"
39
40struct inode;
41
42/*
43 * Structure used to pass around logical block paths generated by
44 * ufs_getlbns and used by truncate and bmap code.
45 */
46struct indir {
47	daddr_t in_lbn;		/* Logical block number. */
48	int	in_off;			/* Offset in buffer. */
49};
50
51	/* ffs.c */
52_Noreturn void panic(const char *, ...) __printflike(1, 2);
53
54	/* ffs_alloc.c */
55int ffs_alloc(struct inode *, daddr_t, daddr_t, int, daddr_t *);
56daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *);
57daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *);
58void ffs_blkfree(struct inode *, daddr_t, long);
59void ffs_clusteracct(struct fs *, struct cg *, int32_t, int);
60
61	/* ffs_balloc.c */
62int ffs_balloc(struct inode *, off_t, int, struct buf **);
63
64	/* ffs_bswap.c */
65void ffs_sb_swap(struct fs*, struct fs *);
66void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *);
67void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *);
68void ffs_csum_swap(struct csum *, struct csum *, int);
69void ffs_cg_swap(struct cg *, struct cg *, struct fs *);
70
71	/* ffs_subr.c */
72void ffs_fragacct(struct fs *, int, int32_t[], int, int);
73int ffs_isblock(struct fs *, u_char *, int32_t);
74int ffs_isfreeblock(struct fs *, u_char *, int32_t);
75void ffs_clrblock(struct fs *, u_char *, int32_t);
76void ffs_setblock(struct fs *, u_char *, int32_t);
77
78	/* ufs_bmap.c */
79int ufs_getlbns(struct inode *, daddr_t, struct indir *, int *);
80