1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * GRUB -- GRand Unified Bootloader 3*4882a593Smuzhiyun * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun /* 8*4882a593Smuzhiyun * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 9*4882a593Smuzhiyun * Use is subject to license terms. 10*4882a593Smuzhiyun */ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #ifndef _SYS_FS_ZFS_ZNODE_H 13*4882a593Smuzhiyun #define _SYS_FS_ZFS_ZNODE_H 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include <zfs/zfs_acl.h> 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define MASTER_NODE_OBJ 1 18*4882a593Smuzhiyun #define ZFS_ROOT_OBJ "ROOT" 19*4882a593Smuzhiyun #define ZPL_VERSION_STR "VERSION" 20*4882a593Smuzhiyun #define ZFS_SA_ATTRS "SA_ATTRS" 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #define ZPL_VERSION 5ULL 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48) 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* 27*4882a593Smuzhiyun * This is the persistent portion of the znode. It is stored 28*4882a593Smuzhiyun * in the "bonus buffer" of the file. Short symbolic links 29*4882a593Smuzhiyun * are also stored in the bonus buffer. 30*4882a593Smuzhiyun */ 31*4882a593Smuzhiyun typedef struct znode_phys { 32*4882a593Smuzhiyun uint64_t zp_atime[2]; /* 0 - last file access time */ 33*4882a593Smuzhiyun uint64_t zp_mtime[2]; /* 16 - last file modification time */ 34*4882a593Smuzhiyun uint64_t zp_ctime[2]; /* 32 - last file change time */ 35*4882a593Smuzhiyun uint64_t zp_crtime[2]; /* 48 - creation time */ 36*4882a593Smuzhiyun uint64_t zp_gen; /* 64 - generation (txg of creation) */ 37*4882a593Smuzhiyun uint64_t zp_mode; /* 72 - file mode bits */ 38*4882a593Smuzhiyun uint64_t zp_size; /* 80 - size of file */ 39*4882a593Smuzhiyun uint64_t zp_parent; /* 88 - directory parent (`..') */ 40*4882a593Smuzhiyun uint64_t zp_links; /* 96 - number of links to file */ 41*4882a593Smuzhiyun uint64_t zp_xattr; /* 104 - DMU object for xattrs */ 42*4882a593Smuzhiyun uint64_t zp_rdev; /* 112 - dev_t for VBLK & VCHR files */ 43*4882a593Smuzhiyun uint64_t zp_flags; /* 120 - persistent flags */ 44*4882a593Smuzhiyun uint64_t zp_uid; /* 128 - file owner */ 45*4882a593Smuzhiyun uint64_t zp_gid; /* 136 - owning group */ 46*4882a593Smuzhiyun uint64_t zp_pad[4]; /* 144 - future */ 47*4882a593Smuzhiyun zfs_znode_acl_t zp_acl; /* 176 - 263 ACL */ 48*4882a593Smuzhiyun /* 49*4882a593Smuzhiyun * Data may pad out any remaining bytes in the znode buffer, eg: 50*4882a593Smuzhiyun * 51*4882a593Smuzhiyun * |<---------------------- dnode_phys (512) ------------------------>| 52*4882a593Smuzhiyun * |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->| 53*4882a593Smuzhiyun * |<---- znode (264) ---->|<---- data (56) ---->| 54*4882a593Smuzhiyun * 55*4882a593Smuzhiyun * At present, we only use this space to store symbolic links. 56*4882a593Smuzhiyun */ 57*4882a593Smuzhiyun } znode_phys_t; 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun #endif /* _SYS_FS_ZFS_ZNODE_H */ 60