14d3c95f5SJorgen Lundman /* 24d3c95f5SJorgen Lundman * GRUB -- GRand Unified Bootloader 34d3c95f5SJorgen Lundman * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 44d3c95f5SJorgen Lundman * 5*1a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 64d3c95f5SJorgen Lundman */ 74d3c95f5SJorgen Lundman /* 84d3c95f5SJorgen Lundman * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 94d3c95f5SJorgen Lundman * Use is subject to license terms. 104d3c95f5SJorgen Lundman */ 114d3c95f5SJorgen Lundman 124d3c95f5SJorgen Lundman #ifndef _SYS_DSL_DATASET_H 134d3c95f5SJorgen Lundman #define _SYS_DSL_DATASET_H 144d3c95f5SJorgen Lundman 154d3c95f5SJorgen Lundman typedef struct dsl_dataset_phys { 164d3c95f5SJorgen Lundman uint64_t ds_dir_obj; 174d3c95f5SJorgen Lundman uint64_t ds_prev_snap_obj; 184d3c95f5SJorgen Lundman uint64_t ds_prev_snap_txg; 194d3c95f5SJorgen Lundman uint64_t ds_next_snap_obj; 204d3c95f5SJorgen Lundman uint64_t ds_snapnames_zapobj; /* zap obj of snaps; ==0 for snaps */ 214d3c95f5SJorgen Lundman uint64_t ds_num_children; /* clone/snap children; ==0 for head */ 224d3c95f5SJorgen Lundman uint64_t ds_creation_time; /* seconds since 1970 */ 234d3c95f5SJorgen Lundman uint64_t ds_creation_txg; 244d3c95f5SJorgen Lundman uint64_t ds_deadlist_obj; 254d3c95f5SJorgen Lundman uint64_t ds_used_bytes; 264d3c95f5SJorgen Lundman uint64_t ds_compressed_bytes; 274d3c95f5SJorgen Lundman uint64_t ds_uncompressed_bytes; 284d3c95f5SJorgen Lundman uint64_t ds_unique_bytes; /* only relevant to snapshots */ 294d3c95f5SJorgen Lundman /* 304d3c95f5SJorgen Lundman * The ds_fsid_guid is a 56-bit ID that can change to avoid 314d3c95f5SJorgen Lundman * collisions. The ds_guid is a 64-bit ID that will never 324d3c95f5SJorgen Lundman * change, so there is a small probability that it will collide. 334d3c95f5SJorgen Lundman */ 344d3c95f5SJorgen Lundman uint64_t ds_fsid_guid; 354d3c95f5SJorgen Lundman uint64_t ds_guid; 364d3c95f5SJorgen Lundman uint64_t ds_flags; 374d3c95f5SJorgen Lundman blkptr_t ds_bp; 384d3c95f5SJorgen Lundman uint64_t ds_pad[8]; /* pad out to 320 bytes for good measure */ 394d3c95f5SJorgen Lundman } dsl_dataset_phys_t; 404d3c95f5SJorgen Lundman 414d3c95f5SJorgen Lundman #endif /* _SYS_DSL_DATASET_H */ 42