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4d3c95f5 JL |
1 | /* |
2 | * GRUB -- GRand Unified Bootloader | |
3 | * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
4d3c95f5 JL |
6 | */ |
7 | /* | |
8 | * Copyright 2010 Sun Microsystems, Inc. All rights reserved. | |
9 | * Use is subject to license terms. | |
10 | */ | |
11 | ||
12 | #ifndef _SYS_FS_ZFS_ZNODE_H | |
13 | #define _SYS_FS_ZFS_ZNODE_H | |
14 | ||
15 | #include <zfs/zfs_acl.h> | |
16 | ||
17 | #define MASTER_NODE_OBJ 1 | |
18 | #define ZFS_ROOT_OBJ "ROOT" | |
19 | #define ZPL_VERSION_STR "VERSION" | |
20 | #define ZFS_SA_ATTRS "SA_ATTRS" | |
21 | ||
22 | #define ZPL_VERSION 5ULL | |
23 | ||
24 | #define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48) | |
25 | ||
26 | /* | |
27 | * This is the persistent portion of the znode. It is stored | |
28 | * in the "bonus buffer" of the file. Short symbolic links | |
29 | * are also stored in the bonus buffer. | |
30 | */ | |
31 | typedef struct znode_phys { | |
32 | uint64_t zp_atime[2]; /* 0 - last file access time */ | |
33 | uint64_t zp_mtime[2]; /* 16 - last file modification time */ | |
34 | uint64_t zp_ctime[2]; /* 32 - last file change time */ | |
35 | uint64_t zp_crtime[2]; /* 48 - creation time */ | |
36 | uint64_t zp_gen; /* 64 - generation (txg of creation) */ | |
37 | uint64_t zp_mode; /* 72 - file mode bits */ | |
38 | uint64_t zp_size; /* 80 - size of file */ | |
39 | uint64_t zp_parent; /* 88 - directory parent (`..') */ | |
40 | uint64_t zp_links; /* 96 - number of links to file */ | |
41 | uint64_t zp_xattr; /* 104 - DMU object for xattrs */ | |
42 | uint64_t zp_rdev; /* 112 - dev_t for VBLK & VCHR files */ | |
43 | uint64_t zp_flags; /* 120 - persistent flags */ | |
44 | uint64_t zp_uid; /* 128 - file owner */ | |
45 | uint64_t zp_gid; /* 136 - owning group */ | |
46 | uint64_t zp_pad[4]; /* 144 - future */ | |
47 | zfs_znode_acl_t zp_acl; /* 176 - 263 ACL */ | |
48 | /* | |
49 | * Data may pad out any remaining bytes in the znode buffer, eg: | |
50 | * | |
51 | * |<---------------------- dnode_phys (512) ------------------------>| | |
52 | * |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->| | |
53 | * |<---- znode (264) ---->|<---- data (56) ---->| | |
54 | * | |
55 | * At present, we only use this space to store symbolic links. | |
56 | */ | |
57 | } znode_phys_t; | |
58 | ||
59 | #endif /* _SYS_FS_ZFS_ZNODE_H */ |