| Jorgen Lundman | 4d3c95f | 2012-07-19 20:48:25 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * GRUB -- GRand Unified Bootloader |
| 3 | * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 18 | */ |
| 19 | /* |
| 20 | * Copyright 2010 Sun Microsystems, Inc. All rights reserved. |
| 21 | * Use is subject to license terms. |
| 22 | */ |
| 23 | |
| 24 | #ifndef _SYS_FS_ZFS_ZNODE_H |
| 25 | #define _SYS_FS_ZFS_ZNODE_H |
| 26 | |
| 27 | #include <zfs/zfs_acl.h> |
| 28 | |
| 29 | #define MASTER_NODE_OBJ 1 |
| 30 | #define ZFS_ROOT_OBJ "ROOT" |
| 31 | #define ZPL_VERSION_STR "VERSION" |
| 32 | #define ZFS_SA_ATTRS "SA_ATTRS" |
| 33 | |
| 34 | #define ZPL_VERSION 5ULL |
| 35 | |
| 36 | #define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48) |
| 37 | |
| 38 | /* |
| 39 | * This is the persistent portion of the znode. It is stored |
| 40 | * in the "bonus buffer" of the file. Short symbolic links |
| 41 | * are also stored in the bonus buffer. |
| 42 | */ |
| 43 | typedef struct znode_phys { |
| 44 | uint64_t zp_atime[2]; /* 0 - last file access time */ |
| 45 | uint64_t zp_mtime[2]; /* 16 - last file modification time */ |
| 46 | uint64_t zp_ctime[2]; /* 32 - last file change time */ |
| 47 | uint64_t zp_crtime[2]; /* 48 - creation time */ |
| 48 | uint64_t zp_gen; /* 64 - generation (txg of creation) */ |
| 49 | uint64_t zp_mode; /* 72 - file mode bits */ |
| 50 | uint64_t zp_size; /* 80 - size of file */ |
| 51 | uint64_t zp_parent; /* 88 - directory parent (`..') */ |
| 52 | uint64_t zp_links; /* 96 - number of links to file */ |
| 53 | uint64_t zp_xattr; /* 104 - DMU object for xattrs */ |
| 54 | uint64_t zp_rdev; /* 112 - dev_t for VBLK & VCHR files */ |
| 55 | uint64_t zp_flags; /* 120 - persistent flags */ |
| 56 | uint64_t zp_uid; /* 128 - file owner */ |
| 57 | uint64_t zp_gid; /* 136 - owning group */ |
| 58 | uint64_t zp_pad[4]; /* 144 - future */ |
| 59 | zfs_znode_acl_t zp_acl; /* 176 - 263 ACL */ |
| 60 | /* |
| 61 | * Data may pad out any remaining bytes in the znode buffer, eg: |
| 62 | * |
| 63 | * |<---------------------- dnode_phys (512) ------------------------>| |
| 64 | * |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->| |
| 65 | * |<---- znode (264) ---->|<---- data (56) ---->| |
| 66 | * |
| 67 | * At present, we only use this space to store symbolic links. |
| 68 | */ |
| 69 | } znode_phys_t; |
| 70 | |
| 71 | #endif /* _SYS_FS_ZFS_ZNODE_H */ |