git.sur5r.net Git - u-boot/blob - include/zfs/dsl_dataset.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  *  GRUB  --  GRand Unified Bootloader
   4  *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.
   5  */
   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
  14 typedef 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 */