include/zfs/dmu_objset.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /*
  20  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  21  * Use is subject to license terms.
  22  */
  23
  24 #ifndef _SYS_DMU_OBJSET_H
  25 #define _SYS_DMU_OBJSET_H
  26
  27 #include <zfs/zil.h>
  28
  29 #define OBJSET_PHYS_SIZE        2048
  30 #define OBJSET_PHYS_SIZE_V14    1024
  31
  32 typedef struct objset_phys {
  33         dnode_phys_t os_meta_dnode;
  34         zil_header_t os_zil_header;
  35         uint64_t os_type;
  36         uint64_t os_flags;
  37         char os_pad[OBJSET_PHYS_SIZE - sizeof(dnode_phys_t)*3 -
  38             sizeof(zil_header_t) - sizeof(uint64_t)*2];
  39         dnode_phys_t os_userused_dnode;
  40         dnode_phys_t os_groupused_dnode;
  41 } objset_phys_t;
  42
  43 #endif /* _SYS_DMU_OBJSET_H */