usr.sbin/makefs/ffs/ffs_extern.h

   1 /*      $NetBSD: ffs_extern.h,v 1.5 2003/06/15 18:10:56 tsutsui 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  */
  34
  35 #include "ffs/buf.h"
  36
  37 /*
  38  * Structure used to pass around logical block paths generated by
  39  * ufs_getlbns and used by truncate and bmap code.
  40  */
  41 struct indir {
  42         daddr_t in_lbn;         /* Logical block number. */
  43         int     in_off;                 /* Offset in buffer. */
  44         int     in_exists;              /* Flag if the block exists. */
  45 };
  46
  47         /* ffs.c */
  48 void panic(const char *, ...)
  49     __attribute__((__noreturn__,__format__(__printf__,1,2)));
  50
  51         /* ffs_alloc.c */
  52 int ffs_alloc(struct inode *, daddr_t, daddr_t, int, daddr_t *);
  53 daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *);
  54 daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *);
  55 void ffs_blkfree(struct inode *, daddr_t, long);
  56 void ffs_clusteracct(struct fs *, struct cg *, int32_t, int);
  57
  58         /* ffs_balloc.c */
  59 int ffs_balloc(struct inode *, off_t, int, struct buf **);
  60
  61         /* ffs_bswap.c */
  62 void ffs_sb_swap(struct fs*, struct fs *);
  63 void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *);
  64 void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *);
  65 void ffs_csum_swap(struct csum *, struct csum *, int);
  66 void ffs_cg_swap(struct cg *, struct cg *, struct fs *);
  67
  68         /* ffs_subr.c */
  69 void ffs_fragacct(struct fs *, int, int32_t[], int, int);
  70 int ffs_isblock(struct fs *, u_char *, int32_t);
  71 int ffs_isfreeblock(struct fs *, u_char *, int32_t);
  72 void ffs_clrblock(struct fs *, u_char *, int32_t);
  73 void ffs_setblock(struct fs *, u_char *, int32_t);
  74
  75         /* ufs_bmap.c */
  76 int ufs_getlbns(struct inode *, daddr_t, struct indir *, int *);