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