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Tom Rini10e47792018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Jorgen Lundman9b4a1f92012-07-19 20:48:25 +00002/*
3 * GRUB -- GRand Unified Bootloader
4 * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
Jorgen Lundman9b4a1f92012-07-19 20:48:25 +00005 */
6/*
7 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
8 * Use is subject to license terms.
9 */
10
11#ifndef _SYS_DSL_DATASET_H
12#define _SYS_DSL_DATASET_H
13
14typedef struct dsl_dataset_phys {
15 uint64_t ds_dir_obj;
16 uint64_t ds_prev_snap_obj;
17 uint64_t ds_prev_snap_txg;
18 uint64_t ds_next_snap_obj;
19 uint64_t ds_snapnames_zapobj; /* zap obj of snaps; ==0 for snaps */
20 uint64_t ds_num_children; /* clone/snap children; ==0 for head */
21 uint64_t ds_creation_time; /* seconds since 1970 */
22 uint64_t ds_creation_txg;
23 uint64_t ds_deadlist_obj;
24 uint64_t ds_used_bytes;
25 uint64_t ds_compressed_bytes;
26 uint64_t ds_uncompressed_bytes;
27 uint64_t ds_unique_bytes; /* only relevant to snapshots */
28 /*
29 * The ds_fsid_guid is a 56-bit ID that can change to avoid
30 * collisions. The ds_guid is a 64-bit ID that will never
31 * change, so there is a small probability that it will collide.
32 */
33 uint64_t ds_fsid_guid;
34 uint64_t ds_guid;
35 uint64_t ds_flags;
36 blkptr_t ds_bp;
37 uint64_t ds_pad[8]; /* pad out to 320 bytes for good measure */
38} dsl_dataset_phys_t;
39
40#endif /* _SYS_DSL_DATASET_H */