usr/src/grub/grub-0.97/stage2/zfs-include/dsl_dataset.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 2007 Sun Microsystems, Inc.  All rights reserved.
  21  * Use is subject to license terms.
  22  */
  23
  24 #ifndef _SYS_DSL_DATASET_H
  25 #define _SYS_DSL_DATASET_H
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 typedef struct dsl_dataset_phys {
  30         uint64_t ds_dir_obj;
  31         uint64_t ds_prev_snap_obj;
  32         uint64_t ds_prev_snap_txg;
  33         uint64_t ds_next_snap_obj;
  34         uint64_t ds_snapnames_zapobj;   /* zap obj of snaps; ==0 for snaps */
  35         uint64_t ds_num_children;       /* clone/snap children; ==0 for head */
  36         uint64_t ds_creation_time;      /* seconds since 1970 */
  37         uint64_t ds_creation_txg;
  38         uint64_t ds_deadlist_obj;
  39         uint64_t ds_used_bytes;
  40         uint64_t ds_compressed_bytes;
  41         uint64_t ds_uncompressed_bytes;
  42         uint64_t ds_unique_bytes;       /* only relevant to snapshots */
  43         /*
  44          * The ds_fsid_guid is a 56-bit ID that can change to avoid
  45          * collisions.  The ds_guid is a 64-bit ID that will never
  46          * change, so there is a small probability that it will collide.
  47          */
  48         uint64_t ds_fsid_guid;
  49         uint64_t ds_guid;
  50         uint64_t ds_flags;
  51         blkptr_t ds_bp;
  52         uint64_t ds_pad[8]; /* pad out to 320 bytes for good measure */
  53 } dsl_dataset_phys_t;
  54
  55 #endif /* _SYS_DSL_DATASET_H */