sbin/fsck_lfs/lfs_user.h

   1 /* $NetBSD: lfs_user.h,v 1.2 2006/07/18 23:37:13 perseant Exp $ */
   2 /*-
   3  * Copyright (c) 2003 The NetBSD Foundation, Inc.
   4  * All rights reserved.
   5  *
   6  * This code is derived from software contributed to The NetBSD Foundation
   7  * by Konrad E. Schroder <perseant@hhhh.org>.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include <stdarg.h>
  32
  33 struct lfs;
  34 struct segsum;
  35 struct finfo;
  36
  37 /*
  38  * In the fsck code we don't need lfs_unlockvp, but we don't have a mount
  39  * structure to give us the devvp.  Overload the unlockvp with devvp.
  40  */
  41 #define lfs_devvp lfs_unlockvp
  42
  43 /*
  44  * This is outside of the kernel, so no locking primitives available.
  45  */
  46 #undef simple_lock
  47 #undef simple_unlock
  48
  49 #define simple_lock(arg)        /* empty */
  50 #define simple_unlock(arg)      /* empty */
  51
  52 /*
  53  * Structure used to pass around logical block paths generated by
  54  * ufs_getlbns and used by truncate and bmap code.
  55  */
  56 struct indir {
  57         daddr_t in_lbn;         /* Logical block number. */
  58         int in_off;             /* Offset in buffer. */
  59         int in_exists;          /* Flag if the block exists. */
  60 };
  61
  62 typedef int32_t ufs_daddr_t;
  63
  64 /* Convert between inode pointers and vnode pointers. */
  65 #define VTOI(vp)        ((struct inode *)(vp)->v_data)
  66 #define VTOD(vp)        (VTOI(vp)->i_din.ffs1_din)
  67
  68 #define sbdirty()       ++fsdirty
  69
  70 extern int fsdirty;
  71 extern struct uvnodelst vnodelist;
  72
  73 int lfs_vop_strategy(struct ubuf *);
  74 int lfs_vop_bwrite(struct ubuf *);
  75 int lfs_vop_bmap(struct uvnode *, daddr_t, daddr_t *);
  76
  77 struct uvnode *lfs_raw_vget(struct lfs *, ino_t, int, ufs_daddr_t);
  78 struct lfs *lfs_init(int, daddr_t, daddr_t, int, int);
  79 struct lfs *lfs_verify(struct lfs *, struct lfs *, struct uvnode *, int);
  80 int check_summary(struct lfs *, struct segsum *, ufs_daddr_t, int, struct uvnode *, void (*)(ufs_daddr_t, struct finfo *));
  81 ufs_daddr_t try_verify(struct lfs *, struct uvnode *, ufs_daddr_t, int);
  82 struct ufs1_dinode *lfs_ifind(struct lfs *, ino_t, struct ubuf *);
  83 void call_panic(const char *, ...);
  84 void my_vpanic(int, const char *, va_list);
  85 int extend_ifile(struct lfs *);
  86 struct uvnode *lfs_valloc(struct lfs *, ino_t);
  87 int lfs_balloc(struct uvnode *, off_t, int, struct ubuf **);