1b1b8ab34Slling /* 2b1b8ab34Slling * GRUB -- GRand Unified Bootloader 3b1b8ab34Slling * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 4b1b8ab34Slling * 5b1b8ab34Slling * This program is free software; you can redistribute it and/or modify 6b1b8ab34Slling * it under the terms of the GNU General Public License as published by 7b1b8ab34Slling * the Free Software Foundation; either version 2 of the License, or 8b1b8ab34Slling * (at your option) any later version. 9b1b8ab34Slling * 10b1b8ab34Slling * This program is distributed in the hope that it will be useful, 11b1b8ab34Slling * but WITHOUT ANY WARRANTY; without even the implied warranty of 12b1b8ab34Slling * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13b1b8ab34Slling * GNU General Public License for more details. 14b1b8ab34Slling * 15b1b8ab34Slling * You should have received a copy of the GNU General Public License 16b1b8ab34Slling * along with this program; if not, write to the Free Software 17b1b8ab34Slling * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18b1b8ab34Slling */ 19b1b8ab34Slling /* 20*0a586ceaSMark Shellenbaum * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 21b1b8ab34Slling * Use is subject to license terms. 22b1b8ab34Slling */ 23b1b8ab34Slling 24b1b8ab34Slling #ifndef _SYS_FS_ZFS_ZNODE_H 25b1b8ab34Slling #define _SYS_FS_ZFS_ZNODE_H 26b1b8ab34Slling 27b1b8ab34Slling #define MASTER_NODE_OBJ 1 28b1b8ab34Slling #define ZFS_ROOT_OBJ "ROOT" 29e7437265Sahrens #define ZPL_VERSION_STR "VERSION" 30*0a586ceaSMark Shellenbaum #define ZFS_SA_ATTRS "SA_ATTRS" 31e7437265Sahrens 32*0a586ceaSMark Shellenbaum #define ZPL_VERSION 5ULL 33e7437265Sahrens 34e7437265Sahrens #define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48) 35b1b8ab34Slling 36b1b8ab34Slling /* 37b1b8ab34Slling * This is the persistent portion of the znode. It is stored 38b1b8ab34Slling * in the "bonus buffer" of the file. Short symbolic links 39b1b8ab34Slling * are also stored in the bonus buffer. 40b1b8ab34Slling */ 41b1b8ab34Slling typedef struct znode_phys { 42b1b8ab34Slling uint64_t zp_atime[2]; /* 0 - last file access time */ 43b1b8ab34Slling uint64_t zp_mtime[2]; /* 16 - last file modification time */ 44b1b8ab34Slling uint64_t zp_ctime[2]; /* 32 - last file change time */ 45b1b8ab34Slling uint64_t zp_crtime[2]; /* 48 - creation time */ 46b1b8ab34Slling uint64_t zp_gen; /* 64 - generation (txg of creation) */ 47b1b8ab34Slling uint64_t zp_mode; /* 72 - file mode bits */ 48b1b8ab34Slling uint64_t zp_size; /* 80 - size of file */ 49b1b8ab34Slling uint64_t zp_parent; /* 88 - directory parent (`..') */ 50b1b8ab34Slling uint64_t zp_links; /* 96 - number of links to file */ 51b1b8ab34Slling uint64_t zp_xattr; /* 104 - DMU object for xattrs */ 52b1b8ab34Slling uint64_t zp_rdev; /* 112 - dev_t for VBLK & VCHR files */ 53b1b8ab34Slling uint64_t zp_flags; /* 120 - persistent flags */ 54b1b8ab34Slling uint64_t zp_uid; /* 128 - file owner */ 55b1b8ab34Slling uint64_t zp_gid; /* 136 - owning group */ 56b1b8ab34Slling uint64_t zp_pad[4]; /* 144 - future */ 57b1b8ab34Slling zfs_znode_acl_t zp_acl; /* 176 - 263 ACL */ 58b1b8ab34Slling /* 59b1b8ab34Slling * Data may pad out any remaining bytes in the znode buffer, eg: 60b1b8ab34Slling * 61b1b8ab34Slling * |<---------------------- dnode_phys (512) ------------------------>| 62b1b8ab34Slling * |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->| 63b1b8ab34Slling * |<---- znode (264) ---->|<---- data (56) ---->| 64b1b8ab34Slling * 65b1b8ab34Slling * At present, we only use this space to store symbolic links. 66b1b8ab34Slling */ 67b1b8ab34Slling } znode_phys_t; 68b1b8ab34Slling 69b1b8ab34Slling #endif /* _SYS_FS_ZFS_ZNODE_H */ 70