1 /* $NetBSD: ffs_extern.h,v 1.2 2002/01/07 16:56:27 lukem 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. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95 37 */ 38 39 #include "ffs/buf.h" 40 41 /* 42 * Structure used to pass around logical block paths generated by 43 * ufs_getlbns and used by truncate and bmap code. 44 */ 45 struct indir { 46 ufs_daddr_t in_lbn; /* Logical block number. */ 47 int in_off; /* Offset in buffer. */ 48 int in_exists; /* Flag if the block exists. */ 49 }; 50 51 /* ffs.c */ 52 void panic(const char *, ...) 53 __attribute__((__noreturn__,__format__(__printf__,1,2))); 54 55 /* ffs_alloc.c */ 56 int ffs_alloc(struct inode *, ufs_daddr_t, ufs_daddr_t, int, ufs_daddr_t *); 57 ufs_daddr_t ffs_blkpref(struct inode *, ufs_daddr_t, int, ufs_daddr_t *); 58 void ffs_blkfree(struct inode *, ufs_daddr_t, long); 59 void ffs_clusteracct(struct fs *, struct cg *, ufs_daddr_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_dinode_swap(struct dinode *, struct dinode *); 67 void ffs_csum_swap(struct csum *, struct csum *, int); 68 69 /* ffs_subr.c */ 70 void ffs_fragacct(struct fs *, int, int32_t[], int, int); 71 int ffs_isblock(struct fs *, u_char *, ufs_daddr_t); 72 int ffs_isfreeblock(struct fs *, u_char *, ufs_daddr_t); 73 void ffs_clrblock(struct fs *, u_char *, ufs_daddr_t); 74 void ffs_setblock(struct fs *, u_char *, ufs_daddr_t); 75 76 /* ufs_bmap.c */ 77 int ufs_getlbns(struct inode *, ufs_daddr_t, struct indir *, int *); 78