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/* $NetBSD: ffs_extern.h,v 1.6 2003/08/07 11:25:33 agc Exp $ */
/* From: NetBSD: ffs_extern.h,v 1.19 2001/08/17 02:18:48 lukem Exp */
/*-
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95
* $FreeBSD$
*/
#include "ffs/buf.h"
struct inode;
/*
* Structure used to pass around logical block paths generated by
* ufs_getlbns and used by truncate and bmap code.
*/
struct indir {
daddr_t in_lbn; /* Logical block number. */
int in_off; /* Offset in buffer. */
int in_exists; /* Flag if the block exists. */
};
/* ffs.c */
_Noreturn void panic(const char *, ...) __printflike(1, 2);
/* ffs_alloc.c */
int ffs_alloc(struct inode *, daddr_t, daddr_t, int, daddr_t *);
daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *);
daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *);
void ffs_blkfree(struct inode *, daddr_t, long);
void ffs_clusteracct(struct fs *, struct cg *, int32_t, int);
/* ffs_balloc.c */
int ffs_balloc(struct inode *, off_t, int, struct buf **);
/* ffs_bswap.c */
void ffs_sb_swap(struct fs*, struct fs *);
void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *);
void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *);
void ffs_csum_swap(struct csum *, struct csum *, int);
void ffs_cg_swap(struct cg *, struct cg *, struct fs *);
/* ffs_subr.c */
void ffs_fragacct(struct fs *, int, int32_t[], int, int);
int ffs_isblock(struct fs *, u_char *, int32_t);
int ffs_isfreeblock(struct fs *, u_char *, int32_t);
void ffs_clrblock(struct fs *, u_char *, int32_t);
void ffs_setblock(struct fs *, u_char *, int32_t);
/* ufs_bmap.c */
int ufs_getlbns(struct inode *, daddr_t, struct indir *, int *);
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