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 * $FreeBSD$ 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 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 *, daddr_t, daddr_t, int, daddr_t *); 56 daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *); 57 daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *); 58 void ffs_blkfree(struct inode *, daddr_t, long); 59 void ffs_clusteracct(struct fs *, struct cg *, int32_t, int); 60 61 /* ffs_balloc.c */ 62 int ffs_balloc(struct inode *, off_t, int, struct buf **); 63 64 /* ffs_bswap.c */ 65 void ffs_sb_swap(struct fs*, struct fs *); 66 void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *); 67 void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *); 68 void ffs_csum_swap(struct csum *, struct csum *, int); 69 void ffs_cg_swap(struct cg *, struct cg *, struct fs *); 70 71 /* ffs_subr.c */ 72 void ffs_fragacct(struct fs *, int, int32_t[], int, int); 73 int ffs_isblock(struct fs *, u_char *, int32_t); 74 int ffs_isfreeblock(struct fs *, u_char *, int32_t); 75 void ffs_clrblock(struct fs *, u_char *, int32_t); 76 void ffs_setblock(struct fs *, u_char *, int32_t); 77 78 /* ufs_bmap.c */ 79 int ufs_getlbns(struct inode *, daddr_t, struct indir *, int *); 80