arch/all-pc/boot/grub2-aros/include/grub/zfs/zfs_znode.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.
   4  *
   5  *  GRUB 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 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 /*
  19  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  20  * Use is subject to license terms.
  21  */
  22
  23 #ifndef _SYS_FS_ZFS_ZNODE_H
  24 #define _SYS_FS_ZFS_ZNODE_H
  25
  26 #include <grub/zfs/zfs_acl.h>
  27
  28 #define MASTER_NODE_OBJ 1
  29 #define ZFS_ROOT_OBJ            "ROOT"
  30 #define ZPL_VERSION_STR         "VERSION"
  31 #define ZFS_SA_ATTRS            "SA_ATTRS"
  32
  33 #define ZPL_VERSION             5ULL
  34
  35 #define ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48)
  36
  37 /*
  38  * This is the persistent portion of the znode.  It is stored
  39  * in the "bonus buffer" of the file.  Short symbolic links
  40  * are also stored in the bonus buffer.
  41  */
  42 typedef struct znode_phys {
  43         grub_uint64_t zp_atime[2];      /*  0 - last file access time */
  44         grub_uint64_t zp_mtime[2];      /* 16 - last file modification time */
  45         grub_uint64_t zp_ctime[2];      /* 32 - last file change time */
  46         grub_uint64_t zp_crtime[2];     /* 48 - creation time */
  47         grub_uint64_t zp_gen;           /* 64 - generation (txg of creation) */
  48         grub_uint64_t zp_mode;          /* 72 - file mode bits */
  49         grub_uint64_t zp_size;          /* 80 - size of file */
  50         grub_uint64_t zp_parent;        /* 88 - directory parent (`..') */
  51         grub_uint64_t zp_links;         /* 96 - number of links to file */
  52         grub_uint64_t zp_xattr;         /* 104 - DMU object for xattrs */
  53         grub_uint64_t zp_rdev;          /* 112 - dev_t for VBLK & VCHR files */
  54         grub_uint64_t zp_flags;         /* 120 - persistent flags */
  55         grub_uint64_t zp_uid;           /* 128 - file owner */
  56         grub_uint64_t zp_gid;           /* 136 - owning group */
  57         grub_uint64_t zp_pad[4];        /* 144 - future */
  58         zfs_znode_acl_t zp_acl;         /* 176 - 263 ACL */
  59         /*
  60          * Data may pad out any remaining bytes in the znode buffer, eg:
  61          *
  62          * |<---------------------- dnode_phys (512) ------------------------>|
  63          * |<-- dnode (192) --->|<----------- "bonus" buffer (320) ---------->|
  64          *                      |<---- znode (264) ---->|<---- data (56) ---->|
  65          *
  66          * At present, we only use this space to store symbolic links.
  67          */
  68 } znode_phys_t;
  69
  70 #endif  /* _SYS_FS_ZFS_ZNODE_H */