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Diffstat (limited to 'include/zfs/dsl_dataset.h')
| -rw-r--r-- | include/zfs/dsl_dataset.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/zfs/dsl_dataset.h b/include/zfs/dsl_dataset.h new file mode 100644 index 000000000..ab0ee22a3 --- /dev/null +++ b/include/zfs/dsl_dataset.h @@ -0,0 +1,53 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_DSL_DATASET_H +#define _SYS_DSL_DATASET_H + +typedef struct dsl_dataset_phys { + uint64_t ds_dir_obj; + uint64_t ds_prev_snap_obj; + uint64_t ds_prev_snap_txg; + uint64_t ds_next_snap_obj; + uint64_t ds_snapnames_zapobj; /* zap obj of snaps; ==0 for snaps */ + uint64_t ds_num_children; /* clone/snap children; ==0 for head */ + uint64_t ds_creation_time; /* seconds since 1970 */ + uint64_t ds_creation_txg; + uint64_t ds_deadlist_obj; + uint64_t ds_used_bytes; + uint64_t ds_compressed_bytes; + uint64_t ds_uncompressed_bytes; + uint64_t ds_unique_bytes; /* only relevant to snapshots */ + /* + * The ds_fsid_guid is a 56-bit ID that can change to avoid + * collisions. The ds_guid is a 64-bit ID that will never + * change, so there is a small probability that it will collide. + */ + uint64_t ds_fsid_guid; + uint64_t ds_guid; + uint64_t ds_flags; + blkptr_t ds_bp; + uint64_t ds_pad[8]; /* pad out to 320 bytes for good measure */ +} dsl_dataset_phys_t; + +#endif /* _SYS_DSL_DATASET_H */ |