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 * 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 * $FreeBSD$ 34 */ 35 36 #include "ffs/buf.h" 37 38 /* 39 * Structure used to pass around logical block paths generated by 40 * ufs_getlbns and used by truncate and bmap code. 41 */ 42 struct indir { 43 daddr_t in_lbn; /* Logical block number. */ 44 int in_off; /* Offset in buffer. */ 45 int in_exists; /* Flag if the block exists. */ 46 }; 47 48 /* ffs.c */ 49 void panic(const char *, ...) 50 __attribute__((__noreturn__,__format__(__printf__,1,2))); 51 52 /* ffs_alloc.c */ 53 int ffs_alloc(struct inode *, daddr_t, daddr_t, int, daddr_t *); 54 daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *); 55 daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *); 56 void ffs_blkfree(struct inode *, daddr_t, long); 57 void ffs_clusteracct(struct fs *, struct cg *, int32_t, int); 58 59 /* ffs_balloc.c */ 60 int ffs_balloc(struct inode *, off_t, int, struct buf **); 61 62 /* ffs_bswap.c */ 63 void ffs_sb_swap(struct fs*, struct fs *); 64 void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *); 65 void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *); 66 void ffs_csum_swap(struct csum *, struct csum *, int); 67 void ffs_cg_swap(struct cg *, struct cg *, struct fs *); 68 69 /* ffs_subr.c */ 70 void ffs_fragacct(struct fs *, int, int32_t[], int, int); 71 int ffs_isblock(struct fs *, u_char *, int32_t); 72 int ffs_isfreeblock(struct fs *, u_char *, int32_t); 73 void ffs_clrblock(struct fs *, u_char *, int32_t); 74 void ffs_setblock(struct fs *, u_char *, int32_t); 75 76 /* ufs_bmap.c */ 77 int ufs_getlbns(struct inode *, daddr_t, struct indir *, int *); 78