fs/freevxfs/vxfs_fshead.h

   1 /*
   2  * Copyright (c) 2000-2001 Christoph Hellwig.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions, and the following disclaimer,
  10  *    without modification.
  11  * 2. The name of the author may not be used to endorse or promote products
  12  *    derived from this software without specific prior written permission.
  13  *
  14  * Alternatively, this software may be distributed under the terms of the
  15  * GNU General Public License ("GPL").
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  */
  30 #ifndef _VXFS_FSHEAD_H_
  31 #define _VXFS_FSHEAD_H_
  32
  33 /*
  34  * Veritas filesystem driver - fileset header structures.
  35  *
  36  * This file contains the physical structure of the VxFS
  37  * fileset header.
  38  */
  39
  40
  41 /*
  42  * Fileset header
  43  */
  44 struct vxfs_fsh {
  45         u_int32_t       fsh_version;            /* fileset header version */
  46         u_int32_t       fsh_fsindex;            /* fileset index */
  47         u_int32_t       fsh_time;               /* modification time - sec */
  48         u_int32_t       fsh_utime;              /* modification time - usec */
  49         u_int32_t       fsh_extop;              /* extop flags */
  50         vx_ino_t        fsh_ninodes;            /* allocated inodes */
  51         u_int32_t       fsh_nau;                /* number of IAUs */
  52         u_int32_t       fsh_old_ilesize;        /* old size of ilist */
  53         u_int32_t       fsh_dflags;             /* flags */
  54         u_int32_t       fsh_quota;              /* quota limit */
  55         vx_ino_t        fsh_maxinode;           /* maximum inode number */
  56         vx_ino_t        fsh_iauino;             /* IAU inode */
  57         vx_ino_t        fsh_ilistino[2];        /* ilist inodes */
  58         vx_ino_t        fsh_lctino;             /* link count table inode */
  59
  60         /*
  61          * Slightly more fields follow, but they
  62          *  a) are not of any interest for us, and
  63          *  b) differ a lot in different vxfs versions/ports
  64          */
  65 };
  66
  67 #endif /* _VXFS_FSHEAD_H_ */