1b1b8ab3lling/*
2b1b8ab3lling *  GRUB  --  GRand Unified Bootloader
3b1b8ab3lling *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.
4b1b8ab3lling *
5b1b8ab3lling *  This program is free software; you can redistribute it and/or modify
6b1b8ab3lling *  it under the terms of the GNU General Public License as published by
7b1b8ab3lling *  the Free Software Foundation; either version 2 of the License, or
8b1b8ab3lling *  (at your option) any later version.
9b1b8ab3lling *
10b1b8ab3lling *  This program is distributed in the hope that it will be useful,
11b1b8ab3lling *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12b1b8ab3lling *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13b1b8ab3lling *  GNU General Public License for more details.
14b1b8ab3lling *
15b1b8ab3lling *  You should have received a copy of the GNU General Public License
16b1b8ab3lling *  along with this program; if not, write to the Free Software
17b1b8ab3lling *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18b1b8ab3lling */
19b1b8ab3lling/*
200a586ceMark Shellenbaum * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
21b1b8ab3lling * Use is subject to license terms.
22b1b8ab3lling */
23b1b8ab3lling
24b1b8ab3lling#ifndef	_SYS_FS_ZFS_ZNODE_H
25b1b8ab3lling#define	_SYS_FS_ZFS_ZNODE_H
26b1b8ab3lling
27b1b8ab3lling#define	MASTER_NODE_OBJ	1
28b1b8ab3lling#define	ZFS_ROOT_OBJ		"ROOT"
29e743726ahrens#define	ZPL_VERSION_STR		"VERSION"
300a586ceMark Shellenbaum#define	ZFS_SA_ATTRS		"SA_ATTRS"
31e743726ahrens
320a586ceMark Shellenbaum#define	ZPL_VERSION		5ULL
33e743726ahrens
34e743726ahrens#define	ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48)
35b1b8ab3lling
36b1b8ab3lling/*
37b1b8ab3lling * This is the persistent portion of the znode.  It is stored
38b1b8ab3lling * in the "bonus buffer" of the file.  Short symbolic links
39b1b8ab3lling * are also stored in the bonus buffer.
40b1b8ab3lling */
41b1b8ab3llingtypedef struct znode_phys {
42b1b8ab3lling	uint64_t zp_atime[2];		/*  0 - last file access time */
43b1b8ab3lling	uint64_t zp_mtime[2];		/* 16 - last file modification time */
44b1b8ab3lling	uint64_t zp_ctime[2];		/* 32 - last file change time */
45b1b8ab3lling	uint64_t zp_crtime[2];		/* 48 - creation time */
46b1b8ab3lling	uint64_t zp_gen;		/* 64 - generation (txg of creation) */
47b1b8ab3lling	uint64_t zp_mode;		/* 72 - file mode bits */
48b1b8ab3lling	uint64_t zp_size;		/* 80 - size of file */
49b1b8ab3lling	uint64_t zp_parent;		/* 88 - directory parent (`..') */
50b1b8ab3lling	uint64_t zp_links;		/* 96 - number of links to file */
51b1b8ab3lling	uint64_t zp_xattr;		/* 104 - DMU object for xattrs */
52b1b8ab3lling	uint64_t zp_rdev;		/* 112 - dev_t for VBLK & VCHR files */
53b1b8ab3lling	uint64_t zp_flags;		/* 120 - persistent flags */
54b1b8ab3lling	uint64_t zp_uid;		/* 128 - file owner */
55b1b8ab3lling	uint64_t zp_gid;		/* 136 - owning group */
56b1b8ab3lling	uint64_t zp_pad[4];		/* 144 - future */
57b1b8ab3lling	zfs_znode_acl_t zp_acl;		/* 176 - 263 ACL */
58b1b8ab3lling	/*
59b1b8ab3lling	 * Data may pad out any remaining bytes in the znode buffer, eg:
60b1b8ab3lling	 *
61b1b8ab3lling	 * |<---------------------- dnode_phys (512) ------------------------>|
62b1b8ab3lling	 * |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->|
63b1b8ab3lling	 *			|<---- znode (264) ---->|<---- data (56) ---->|
64b1b8ab3lling	 *
65b1b8ab3lling	 * At present, we only use this space to store symbolic links.
66b1b8ab3lling	 */
67b1b8ab3lling} znode_phys_t;
68b1b8ab3lling
69b1b8ab3lling#endif	/* _SYS_FS_ZFS_ZNODE_H */
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