/*

 *  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.

 */

/*

 * Use is subject to license terms.

 */

#ifndef	_SYS_FS_ZFS_ZNODE_H

#define	_SYS_FS_ZFS_ZNODE_H

#define	MASTER_NODE_OBJ	1

#define	ZFS_ROOT_OBJ		"ROOT"

#define	ZPL_VERSION_STR		"VERSION"

#define	ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48)

/*

 * This is the persistent portion of the znode.  It is stored

 * in the "bonus buffer" of the file.  Short symbolic links

 * are also stored in the bonus buffer.

 */

typedef struct znode_phys {

	uint64_t zp_atime[2];		/*  0 - last file access time */

	uint64_t zp_mtime[2];		/* 16 - last file modification time */

	uint64_t zp_ctime[2];		/* 32 - last file change time */

	uint64_t zp_crtime[2];		/* 48 - creation time */

	uint64_t zp_gen;		/* 64 - generation (txg of creation) */

	uint64_t zp_mode;		/* 72 - file mode bits */

	uint64_t zp_size;		/* 80 - size of file */

	uint64_t zp_parent;		/* 88 - directory parent (`..') */

	uint64_t zp_links;		/* 96 - number of links to file */

	uint64_t zp_xattr;		/* 104 - DMU object for xattrs */

	uint64_t zp_rdev;		/* 112 - dev_t for VBLK & VCHR files */

	uint64_t zp_flags;		/* 120 - persistent flags */

	uint64_t zp_uid;		/* 128 - file owner */

	uint64_t zp_gid;		/* 136 - owning group */

	uint64_t zp_pad[4];		/* 144 - future */

	zfs_znode_acl_t zp_acl;		/* 176 - 263 ACL */

	/*

	 * Data may pad out any remaining bytes in the znode buffer, eg:

	 *

	 * |<---------------------- dnode_phys (512) ------------------------>|

	 * |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->|

	 *			|<---- znode (264) ---->|<---- data (56) ---->|

	 *

	 * At present, we only use this space to store symbolic links.

	 */

} znode_phys_t;

#endif	/* _SYS_FS_ZFS_ZNODE_H */