1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */ 24d3c95f5SJorgen Lundman /* 34d3c95f5SJorgen Lundman * GRUB -- GRand Unified Bootloader 44d3c95f5SJorgen Lundman * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 54d3c95f5SJorgen Lundman */ 64d3c95f5SJorgen Lundman /* 74d3c95f5SJorgen Lundman * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 84d3c95f5SJorgen Lundman * Use is subject to license terms. 94d3c95f5SJorgen Lundman */ 104d3c95f5SJorgen Lundman 114d3c95f5SJorgen Lundman #ifndef _SYS_FS_ZFS_ZNODE_H 124d3c95f5SJorgen Lundman #define _SYS_FS_ZFS_ZNODE_H 134d3c95f5SJorgen Lundman 144d3c95f5SJorgen Lundman #include <zfs/zfs_acl.h> 154d3c95f5SJorgen Lundman 164d3c95f5SJorgen Lundman #define MASTER_NODE_OBJ 1 174d3c95f5SJorgen Lundman #define ZFS_ROOT_OBJ "ROOT" 184d3c95f5SJorgen Lundman #define ZPL_VERSION_STR "VERSION" 194d3c95f5SJorgen Lundman #define ZFS_SA_ATTRS "SA_ATTRS" 204d3c95f5SJorgen Lundman 214d3c95f5SJorgen Lundman #define ZPL_VERSION 5ULL 224d3c95f5SJorgen Lundman 234d3c95f5SJorgen Lundman #define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48) 244d3c95f5SJorgen Lundman 254d3c95f5SJorgen Lundman /* 264d3c95f5SJorgen Lundman * This is the persistent portion of the znode. It is stored 274d3c95f5SJorgen Lundman * in the "bonus buffer" of the file. Short symbolic links 284d3c95f5SJorgen Lundman * are also stored in the bonus buffer. 294d3c95f5SJorgen Lundman */ 304d3c95f5SJorgen Lundman typedef struct znode_phys { 314d3c95f5SJorgen Lundman uint64_t zp_atime[2]; /* 0 - last file access time */ 324d3c95f5SJorgen Lundman uint64_t zp_mtime[2]; /* 16 - last file modification time */ 334d3c95f5SJorgen Lundman uint64_t zp_ctime[2]; /* 32 - last file change time */ 344d3c95f5SJorgen Lundman uint64_t zp_crtime[2]; /* 48 - creation time */ 354d3c95f5SJorgen Lundman uint64_t zp_gen; /* 64 - generation (txg of creation) */ 364d3c95f5SJorgen Lundman uint64_t zp_mode; /* 72 - file mode bits */ 374d3c95f5SJorgen Lundman uint64_t zp_size; /* 80 - size of file */ 384d3c95f5SJorgen Lundman uint64_t zp_parent; /* 88 - directory parent (`..') */ 394d3c95f5SJorgen Lundman uint64_t zp_links; /* 96 - number of links to file */ 404d3c95f5SJorgen Lundman uint64_t zp_xattr; /* 104 - DMU object for xattrs */ 414d3c95f5SJorgen Lundman uint64_t zp_rdev; /* 112 - dev_t for VBLK & VCHR files */ 424d3c95f5SJorgen Lundman uint64_t zp_flags; /* 120 - persistent flags */ 434d3c95f5SJorgen Lundman uint64_t zp_uid; /* 128 - file owner */ 444d3c95f5SJorgen Lundman uint64_t zp_gid; /* 136 - owning group */ 454d3c95f5SJorgen Lundman uint64_t zp_pad[4]; /* 144 - future */ 464d3c95f5SJorgen Lundman zfs_znode_acl_t zp_acl; /* 176 - 263 ACL */ 474d3c95f5SJorgen Lundman /* 484d3c95f5SJorgen Lundman * Data may pad out any remaining bytes in the znode buffer, eg: 494d3c95f5SJorgen Lundman * 504d3c95f5SJorgen Lundman * |<---------------------- dnode_phys (512) ------------------------>| 514d3c95f5SJorgen Lundman * |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->| 524d3c95f5SJorgen Lundman * |<---- znode (264) ---->|<---- data (56) ---->| 534d3c95f5SJorgen Lundman * 544d3c95f5SJorgen Lundman * At present, we only use this space to store symbolic links. 554d3c95f5SJorgen Lundman */ 564d3c95f5SJorgen Lundman } znode_phys_t; 574d3c95f5SJorgen Lundman 584d3c95f5SJorgen Lundman #endif /* _SYS_FS_ZFS_ZNODE_H */ 59