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