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1 | /* | |
2 | * GRUB -- GRand Unified Bootloader | |
3 | * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | /* | |
8 | * Copyright 2007 Sun Microsystems, Inc. All rights reserved. | |
9 | * Use is subject to license terms. | |
10 | */ | |
11 | ||
12 | #ifndef _SYS_DSL_DATASET_H | |
13 | #define _SYS_DSL_DATASET_H | |
14 | ||
15 | typedef struct dsl_dataset_phys { | |
16 | uint64_t ds_dir_obj; | |
17 | uint64_t ds_prev_snap_obj; | |
18 | uint64_t ds_prev_snap_txg; | |
19 | uint64_t ds_next_snap_obj; | |
20 | uint64_t ds_snapnames_zapobj; /* zap obj of snaps; ==0 for snaps */ | |
21 | uint64_t ds_num_children; /* clone/snap children; ==0 for head */ | |
22 | uint64_t ds_creation_time; /* seconds since 1970 */ | |
23 | uint64_t ds_creation_txg; | |
24 | uint64_t ds_deadlist_obj; | |
25 | uint64_t ds_used_bytes; | |
26 | uint64_t ds_compressed_bytes; | |
27 | uint64_t ds_uncompressed_bytes; | |
28 | uint64_t ds_unique_bytes; /* only relevant to snapshots */ | |
29 | /* | |
30 | * The ds_fsid_guid is a 56-bit ID that can change to avoid | |
31 | * collisions. The ds_guid is a 64-bit ID that will never | |
32 | * change, so there is a small probability that it will collide. | |
33 | */ | |
34 | uint64_t ds_fsid_guid; | |
35 | uint64_t ds_guid; | |
36 | uint64_t ds_flags; | |
37 | blkptr_t ds_bp; | |
38 | uint64_t ds_pad[8]; /* pad out to 320 bytes for good measure */ | |
39 | } dsl_dataset_phys_t; | |
40 | ||
41 | #endif /* _SYS_DSL_DATASET_H */ |