/*
 *  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 2010 Sun Microsystems, Inc.  All rights reserved.
 * 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_SA_ATTRS            "SA_ATTRS"

#define ZPL_VERSION             5ULL

#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 */