1*4d3c95f5SJorgen Lundman /* 2*4d3c95f5SJorgen Lundman * GRUB -- GRand Unified Bootloader 3*4d3c95f5SJorgen Lundman * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 4*4d3c95f5SJorgen Lundman * 5*4d3c95f5SJorgen Lundman * This program is free software; you can redistribute it and/or modify 6*4d3c95f5SJorgen Lundman * it under the terms of the GNU General Public License as published by 7*4d3c95f5SJorgen Lundman * the Free Software Foundation; either version 2 of the License, or 8*4d3c95f5SJorgen Lundman * (at your option) any later version. 9*4d3c95f5SJorgen Lundman * 10*4d3c95f5SJorgen Lundman * This program is distributed in the hope that it will be useful, 11*4d3c95f5SJorgen Lundman * but WITHOUT ANY WARRANTY; without even the implied warranty of 12*4d3c95f5SJorgen Lundman * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13*4d3c95f5SJorgen Lundman * GNU General Public License for more details. 14*4d3c95f5SJorgen Lundman * 15*4d3c95f5SJorgen Lundman * You should have received a copy of the GNU General Public License 16*4d3c95f5SJorgen Lundman * along with this program; if not, write to the Free Software 17*4d3c95f5SJorgen Lundman * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18*4d3c95f5SJorgen Lundman */ 19*4d3c95f5SJorgen Lundman /* 20*4d3c95f5SJorgen Lundman * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 21*4d3c95f5SJorgen Lundman * Use is subject to license terms. 22*4d3c95f5SJorgen Lundman */ 23*4d3c95f5SJorgen Lundman 24*4d3c95f5SJorgen Lundman #ifndef _SYS_FS_ZFS_ZNODE_H 25*4d3c95f5SJorgen Lundman #define _SYS_FS_ZFS_ZNODE_H 26*4d3c95f5SJorgen Lundman 27*4d3c95f5SJorgen Lundman #include <zfs/zfs_acl.h> 28*4d3c95f5SJorgen Lundman 29*4d3c95f5SJorgen Lundman #define MASTER_NODE_OBJ 1 30*4d3c95f5SJorgen Lundman #define ZFS_ROOT_OBJ "ROOT" 31*4d3c95f5SJorgen Lundman #define ZPL_VERSION_STR "VERSION" 32*4d3c95f5SJorgen Lundman #define ZFS_SA_ATTRS "SA_ATTRS" 33*4d3c95f5SJorgen Lundman 34*4d3c95f5SJorgen Lundman #define ZPL_VERSION 5ULL 35*4d3c95f5SJorgen Lundman 36*4d3c95f5SJorgen Lundman #define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48) 37*4d3c95f5SJorgen Lundman 38*4d3c95f5SJorgen Lundman /* 39*4d3c95f5SJorgen Lundman * This is the persistent portion of the znode. It is stored 40*4d3c95f5SJorgen Lundman * in the "bonus buffer" of the file. Short symbolic links 41*4d3c95f5SJorgen Lundman * are also stored in the bonus buffer. 42*4d3c95f5SJorgen Lundman */ 43*4d3c95f5SJorgen Lundman typedef struct znode_phys { 44*4d3c95f5SJorgen Lundman uint64_t zp_atime[2]; /* 0 - last file access time */ 45*4d3c95f5SJorgen Lundman uint64_t zp_mtime[2]; /* 16 - last file modification time */ 46*4d3c95f5SJorgen Lundman uint64_t zp_ctime[2]; /* 32 - last file change time */ 47*4d3c95f5SJorgen Lundman uint64_t zp_crtime[2]; /* 48 - creation time */ 48*4d3c95f5SJorgen Lundman uint64_t zp_gen; /* 64 - generation (txg of creation) */ 49*4d3c95f5SJorgen Lundman uint64_t zp_mode; /* 72 - file mode bits */ 50*4d3c95f5SJorgen Lundman uint64_t zp_size; /* 80 - size of file */ 51*4d3c95f5SJorgen Lundman uint64_t zp_parent; /* 88 - directory parent (`..') */ 52*4d3c95f5SJorgen Lundman uint64_t zp_links; /* 96 - number of links to file */ 53*4d3c95f5SJorgen Lundman uint64_t zp_xattr; /* 104 - DMU object for xattrs */ 54*4d3c95f5SJorgen Lundman uint64_t zp_rdev; /* 112 - dev_t for VBLK & VCHR files */ 55*4d3c95f5SJorgen Lundman uint64_t zp_flags; /* 120 - persistent flags */ 56*4d3c95f5SJorgen Lundman uint64_t zp_uid; /* 128 - file owner */ 57*4d3c95f5SJorgen Lundman uint64_t zp_gid; /* 136 - owning group */ 58*4d3c95f5SJorgen Lundman uint64_t zp_pad[4]; /* 144 - future */ 59*4d3c95f5SJorgen Lundman zfs_znode_acl_t zp_acl; /* 176 - 263 ACL */ 60*4d3c95f5SJorgen Lundman /* 61*4d3c95f5SJorgen Lundman * Data may pad out any remaining bytes in the znode buffer, eg: 62*4d3c95f5SJorgen Lundman * 63*4d3c95f5SJorgen Lundman * |<---------------------- dnode_phys (512) ------------------------>| 64*4d3c95f5SJorgen Lundman * |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->| 65*4d3c95f5SJorgen Lundman * |<---- znode (264) ---->|<---- data (56) ---->| 66*4d3c95f5SJorgen Lundman * 67*4d3c95f5SJorgen Lundman * At present, we only use this space to store symbolic links. 68*4d3c95f5SJorgen Lundman */ 69*4d3c95f5SJorgen Lundman } znode_phys_t; 70*4d3c95f5SJorgen Lundman 71*4d3c95f5SJorgen Lundman #endif /* _SYS_FS_ZFS_ZNODE_H */ 72