1*4d3c95f5SJorgen Lundman /* 2*4d3c95f5SJorgen Lundman * GRUB -- GRand Unified Bootloader 3*4d3c95f5SJorgen Lundman * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 4*4d3c95f5SJorgen Lundman * 5*4d3c95f5SJorgen Lundman * This program is free software; you can redistribute it and/or modify 6*4d3c95f5SJorgen Lundman * it under the terms of the GNU General Public License as published by 7*4d3c95f5SJorgen Lundman * the Free Software Foundation; either version 2 of the License, or 8*4d3c95f5SJorgen Lundman * (at your option) any later version. 9*4d3c95f5SJorgen Lundman * 10*4d3c95f5SJorgen Lundman * This program is distributed in the hope that it will be useful, 11*4d3c95f5SJorgen Lundman * but WITHOUT ANY WARRANTY; without even the implied warranty of 12*4d3c95f5SJorgen Lundman * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13*4d3c95f5SJorgen Lundman * GNU General Public License for more details. 14*4d3c95f5SJorgen Lundman * 15*4d3c95f5SJorgen Lundman * You should have received a copy of the GNU General Public License 16*4d3c95f5SJorgen Lundman * along with this program; if not, write to the Free Software 17*4d3c95f5SJorgen Lundman * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18*4d3c95f5SJorgen Lundman */ 19*4d3c95f5SJorgen Lundman /* 20*4d3c95f5SJorgen Lundman * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 21*4d3c95f5SJorgen Lundman * Use is subject to license terms. 22*4d3c95f5SJorgen Lundman */ 23*4d3c95f5SJorgen Lundman 24*4d3c95f5SJorgen Lundman #ifndef _SYS_DSL_DATASET_H 25*4d3c95f5SJorgen Lundman #define _SYS_DSL_DATASET_H 26*4d3c95f5SJorgen Lundman 27*4d3c95f5SJorgen Lundman typedef struct dsl_dataset_phys { 28*4d3c95f5SJorgen Lundman uint64_t ds_dir_obj; 29*4d3c95f5SJorgen Lundman uint64_t ds_prev_snap_obj; 30*4d3c95f5SJorgen Lundman uint64_t ds_prev_snap_txg; 31*4d3c95f5SJorgen Lundman uint64_t ds_next_snap_obj; 32*4d3c95f5SJorgen Lundman uint64_t ds_snapnames_zapobj; /* zap obj of snaps; ==0 for snaps */ 33*4d3c95f5SJorgen Lundman uint64_t ds_num_children; /* clone/snap children; ==0 for head */ 34*4d3c95f5SJorgen Lundman uint64_t ds_creation_time; /* seconds since 1970 */ 35*4d3c95f5SJorgen Lundman uint64_t ds_creation_txg; 36*4d3c95f5SJorgen Lundman uint64_t ds_deadlist_obj; 37*4d3c95f5SJorgen Lundman uint64_t ds_used_bytes; 38*4d3c95f5SJorgen Lundman uint64_t ds_compressed_bytes; 39*4d3c95f5SJorgen Lundman uint64_t ds_uncompressed_bytes; 40*4d3c95f5SJorgen Lundman uint64_t ds_unique_bytes; /* only relevant to snapshots */ 41*4d3c95f5SJorgen Lundman /* 42*4d3c95f5SJorgen Lundman * The ds_fsid_guid is a 56-bit ID that can change to avoid 43*4d3c95f5SJorgen Lundman * collisions. The ds_guid is a 64-bit ID that will never 44*4d3c95f5SJorgen Lundman * change, so there is a small probability that it will collide. 45*4d3c95f5SJorgen Lundman */ 46*4d3c95f5SJorgen Lundman uint64_t ds_fsid_guid; 47*4d3c95f5SJorgen Lundman uint64_t ds_guid; 48*4d3c95f5SJorgen Lundman uint64_t ds_flags; 49*4d3c95f5SJorgen Lundman blkptr_t ds_bp; 50*4d3c95f5SJorgen Lundman uint64_t ds_pad[8]; /* pad out to 320 bytes for good measure */ 51*4d3c95f5SJorgen Lundman } dsl_dataset_phys_t; 52*4d3c95f5SJorgen Lundman 53*4d3c95f5SJorgen Lundman #endif /* _SYS_DSL_DATASET_H */ 54