xref: /dragonfly/usr.sbin/makefs/ffs/ffs_extern.h (revision a765cedf)
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: head/usr.sbin/makefs/ffs/ffs_extern.h 326025 2017-11-20 19:49:47Z pfg $
36  */
37 
38 #include "ffs/buf.h"
39 
40 struct 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  */
46 struct indir {
47 	makefs_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 */
55 int ffs_alloc(struct inode *, makefs_daddr_t, makefs_daddr_t, int, makefs_daddr_t *);
56 makefs_daddr_t ffs_blkpref_ufs1(struct inode *, makefs_daddr_t, int, int32_t *);
57 #ifndef __DragonFly__ /* XXX UFS2 */
58 makefs_daddr_t ffs_blkpref_ufs2(struct inode *, makefs_daddr_t, int, int64_t *);
59 #endif
60 void ffs_blkfree(struct inode *, makefs_daddr_t, long);
61 void ffs_clusteracct(struct fs *, struct cg *, int32_t, int);
62 
63 	/* ffs_balloc.c */
64 int ffs_balloc(struct inode *, off_t, int, struct m_buf **);
65 
66 	/* ffs_bswap.c */
67 void ffs_sb_swap(struct fs*, struct fs *);
68 void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *);
69 #ifndef __DragonFly__ /* XXX UFS2 */
70 void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *);
71 #endif
72 void ffs_csum_swap(struct csum *, struct csum *, int);
73 void ffs_cg_swap(struct cg *, struct cg *, struct fs *);
74 
75 	/* ffs_subr.c */
76 void ffs_fragacct(struct fs *, int, int32_t[], int, int);
77 int ffs_isblock(struct fs *, u_char *, int32_t);
78 int ffs_isfreeblock(struct fs *, u_char *, int32_t);
79 void ffs_clrblock(struct fs *, u_char *, int32_t);
80 void ffs_setblock(struct fs *, u_char *, int32_t);
81 
82 	/* ufs_bmap.c */
83 int ufs_getlbns(struct inode *, makefs_daddr_t, struct indir *, int *);
84