forked from rrcarlosr/Jetpack
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/*
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* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _SYS_FS_ZFS_ZNODE_H
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#define _SYS_FS_ZFS_ZNODE_H
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#include <zfs/zfs_acl.h>
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#define MASTER_NODE_OBJ 1
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#define ZFS_ROOT_OBJ "ROOT"
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#define ZPL_VERSION_STR "VERSION"
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#define ZFS_SA_ATTRS "SA_ATTRS"
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#define ZPL_VERSION 5ULL
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#define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48)
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/*
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* This is the persistent portion of the znode. It is stored
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* in the "bonus buffer" of the file. Short symbolic links
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* are also stored in the bonus buffer.
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*/
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typedef struct znode_phys {
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uint64_t zp_atime[2]; /* 0 - last file access time */
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uint64_t zp_mtime[2]; /* 16 - last file modification time */
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uint64_t zp_ctime[2]; /* 32 - last file change time */
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uint64_t zp_crtime[2]; /* 48 - creation time */
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uint64_t zp_gen; /* 64 - generation (txg of creation) */
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uint64_t zp_mode; /* 72 - file mode bits */
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uint64_t zp_size; /* 80 - size of file */
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uint64_t zp_parent; /* 88 - directory parent (`..') */
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uint64_t zp_links; /* 96 - number of links to file */
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uint64_t zp_xattr; /* 104 - DMU object for xattrs */
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uint64_t zp_rdev; /* 112 - dev_t for VBLK & VCHR files */
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uint64_t zp_flags; /* 120 - persistent flags */
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uint64_t zp_uid; /* 128 - file owner */
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uint64_t zp_gid; /* 136 - owning group */
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uint64_t zp_pad[4]; /* 144 - future */
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zfs_znode_acl_t zp_acl; /* 176 - 263 ACL */
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/*
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* Data may pad out any remaining bytes in the znode buffer, eg:
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*
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* |<---------------------- dnode_phys (512) ------------------------>|
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* |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->|
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* |<---- znode (264) ---->|<---- data (56) ---->|
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*
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* At present, we only use this space to store symbolic links.
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*/
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} znode_phys_t;
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#endif /* _SYS_FS_ZFS_ZNODE_H */
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