| 1 |
17 |
hellwig |
/* $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 |
|
|
*/
|
| 34 |
|
|
|
| 35 |
|
|
#include "buf.h"
|
| 36 |
|
|
|
| 37 |
|
|
/*
|
| 38 |
|
|
* Structure used to pass around logical block paths generated by
|
| 39 |
|
|
* ufs_getlbns and used by truncate and bmap code.
|
| 40 |
|
|
*/
|
| 41 |
|
|
struct indir {
|
| 42 |
|
|
daddr_t in_lbn; /* Logical block number. */
|
| 43 |
|
|
int in_off; /* Offset in buffer. */
|
| 44 |
|
|
int in_exists; /* Flag if the block exists. */
|
| 45 |
|
|
};
|
| 46 |
|
|
|
| 47 |
|
|
/* ffs.c */
|
| 48 |
|
|
void panic(const char *, ...)
|
| 49 |
|
|
__attribute__((__noreturn__,__format__(__printf__,1,2)));
|
| 50 |
|
|
|
| 51 |
|
|
/* ffs_alloc.c */
|
| 52 |
|
|
int ffs_alloc(struct inode *, daddr_t, daddr_t, int, daddr_t *);
|
| 53 |
|
|
daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *);
|
| 54 |
|
|
daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *);
|
| 55 |
|
|
void ffs_blkfree(struct inode *, daddr_t, long);
|
| 56 |
|
|
void ffs_clusteracct(struct fs *, struct cg *, int32_t, int);
|
| 57 |
|
|
|
| 58 |
|
|
/* ffs_balloc.c */
|
| 59 |
|
|
int ffs_balloc(struct inode *, off_t, int, struct buf **);
|
| 60 |
|
|
|
| 61 |
|
|
/* ffs_bswap.c */
|
| 62 |
|
|
void ffs_sb_swap(struct fs*, struct fs *);
|
| 63 |
|
|
void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *);
|
| 64 |
|
|
void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *);
|
| 65 |
|
|
void ffs_csum_swap(struct csum *, struct csum *, int);
|
| 66 |
|
|
void ffs_cg_swap(struct cg *, struct cg *, struct fs *);
|
| 67 |
|
|
|
| 68 |
|
|
/* ffs_subr.c */
|
| 69 |
|
|
void ffs_fragacct(struct fs *, int, int32_t[], int, int);
|
| 70 |
|
|
int ffs_isblock(struct fs *, u_char *, int32_t);
|
| 71 |
|
|
int ffs_isfreeblock(struct fs *, u_char *, int32_t);
|
| 72 |
|
|
void ffs_clrblock(struct fs *, u_char *, int32_t);
|
| 73 |
|
|
void ffs_setblock(struct fs *, u_char *, int32_t);
|
| 74 |
|
|
|
| 75 |
|
|
/* ufs_bmap.c */
|
| 76 |
|
|
int ufs_getlbns(struct inode *, daddr_t, struct indir *, int *);
|
