| Jorgen Lundman | 9b4a1f9 | 2012-07-19 20:48:25 +0000 | [diff] [blame^] | 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 | typedef struct dsl_dataset_phys { |
| 28 | uint64_t ds_dir_obj; |
| 29 | uint64_t ds_prev_snap_obj; |
| 30 | uint64_t ds_prev_snap_txg; |
| 31 | uint64_t ds_next_snap_obj; |
| 32 | uint64_t ds_snapnames_zapobj; /* zap obj of snaps; ==0 for snaps */ |
| 33 | uint64_t ds_num_children; /* clone/snap children; ==0 for head */ |
| 34 | uint64_t ds_creation_time; /* seconds since 1970 */ |
| 35 | uint64_t ds_creation_txg; |
| 36 | uint64_t ds_deadlist_obj; |
| 37 | uint64_t ds_used_bytes; |
| 38 | uint64_t ds_compressed_bytes; |
| 39 | uint64_t ds_uncompressed_bytes; |
| 40 | uint64_t ds_unique_bytes; /* only relevant to snapshots */ |
| 41 | /* |
| 42 | * The ds_fsid_guid is a 56-bit ID that can change to avoid |
| 43 | * collisions. The ds_guid is a 64-bit ID that will never |
| 44 | * change, so there is a small probability that it will collide. |
| 45 | */ |
| 46 | uint64_t ds_fsid_guid; |
| 47 | uint64_t ds_guid; |
| 48 | uint64_t ds_flags; |
| 49 | blkptr_t ds_bp; |
| 50 | uint64_t ds_pad[8]; /* pad out to 320 bytes for good measure */ |
| 51 | } dsl_dataset_phys_t; |
| 52 | |
| 53 | #endif /* _SYS_DSL_DATASET_H */ |