1655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng/****************************************************************************
2655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ****************************************************************************
3655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***
4655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   This header was automatically generated from a Linux kernel header
5655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   of the same name, to make information necessary for userspace to
6655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   call into the kernel available to libc.  It contains only constants,
7655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   structures, and macros generated from the original header, and thus,
8655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   contains no copyrightable information.
9655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***
10655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   To edit the content of this header, modify the corresponding
11655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   source file (e.g. under external/kernel-headers/original/) then
12655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   run bionic/libc/kernel/tools/update_all.py
13655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***
14655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   Any manual change here will be lost the next time this script will
15655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   be run. You've been warned!
16655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***
17655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ****************************************************************************
18655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ****************************************************************************/
19655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#ifndef __GFS2_ONDISK_DOT_H__
20655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define __GFS2_ONDISK_DOT_H__
21655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#include <linux/types.h>
22655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_MAGIC 0x01161970
23655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_BASIC_BLOCK 512
24655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_BASIC_BLOCK_SHIFT 9
25655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_MOUNT_LOCK 0
26655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_LIVE_LOCK 1
27ba8d4f460b51161eb82cf1006cb34a3cc1389f47Christopher Ferris#define GFS2_FREEZE_LOCK 2
28655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_RENAME_LOCK 3
29655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_CONTROL_LOCK 4
30655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_MOUNTED_LOCK 5
31655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_NONE 0
32655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_SB 100
33655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_RG 200
34655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_RB 300
35655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_DI 400
36655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_IN 500
37655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_LF 600
38655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_JD 700
39655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_LH 800
40655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_LD 900
41655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_LB 1000
42655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_EA 1600
43655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_ED 1700
44655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_QC 1400
45655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_RI 1100
46655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_DE 1200
47655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_QU 1500
48655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_FS 1801
49655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FORMAT_MULTI 1900
50655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_inum {
51d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 no_formal_ino;
52d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 no_addr;
53655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
54655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_NONE 0
55655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_SB 1
56655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_RG 2
57655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_RB 3
58655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_DI 4
59655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_IN 5
60655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_LF 6
61655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_JD 7
62655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_LH 8
63655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_LD 9
64655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_LB 12
65655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_EA 10
66655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_ED 11
67655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_METATYPE_QC 14
68655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_meta_header {
69d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 mh_magic;
70d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 mh_type;
71d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 __pad0;
72d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 mh_format;
73d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  union {
74d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao    __be32 mh_jid;
75d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao    __be32 __pad1;
76d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  };
77655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
78655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_SB_ADDR 128
79655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_SB_LOCK 0
80655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_LOCKNAME_LEN 64
81655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_sb {
82d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_meta_header sb_header;
83d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 sb_fs_format;
84d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 sb_multihost_format;
85d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u32 __pad0;
86d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 sb_bsize;
87d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 sb_bsize_shift;
88d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u32 __pad1;
89d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_inum sb_master_dir;
90d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_inum __pad2;
91d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_inum sb_root_dir;
92d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  char sb_lockproto[GFS2_LOCKNAME_LEN];
93d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  char sb_locktable[GFS2_LOCKNAME_LEN];
94d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_inum __pad3;
95d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_inum __pad4;
96655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_HAS_UUID 1
97d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 sb_uuid[16];
98655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
99655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_rindex {
100d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 ri_addr;
101d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 ri_length;
102d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u32 __pad;
103d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 ri_data0;
104d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 ri_data;
105d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 ri_bitbytes;
106d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 ri_reserved[64];
107655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
108655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_NBBY 4
109655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_BIT_SIZE 2
110655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_BIT_MASK 0x00000003
111655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_BLKST_FREE 0
112655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_BLKST_USED 1
113655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_BLKST_UNLINKED 2
114655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_BLKST_DINODE 3
115655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_RGF_JOURNAL 0x00000001
116655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_RGF_METAONLY 0x00000002
117655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_RGF_DATAONLY 0x00000004
118655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_RGF_NOALLOC 0x00000008
119655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_RGF_TRIMMED 0x00000010
120655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_rgrp_lvb {
121d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 rl_magic;
122d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 rl_flags;
123d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 rl_free;
124d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 rl_dinodes;
125d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 rl_igeneration;
126d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 rl_unlinked;
127d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 __pad;
128655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
129655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_rgrp {
130d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_meta_header rg_header;
131d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 rg_flags;
132d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 rg_free;
133d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 rg_dinodes;
134d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 __pad;
135d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 rg_igeneration;
136d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 rg_reserved[80];
137655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
138655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_quota {
139d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 qu_limit;
140d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 qu_warn;
141d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 qu_value;
142d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 qu_reserved[64];
143655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
144655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_MAX_META_HEIGHT 10
145655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIR_MAX_DEPTH 17
146655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define DT2IF(dt) (((dt) << 12) & S_IFMT)
147655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define IF2DT(sif) (((sif) & S_IFMT) >> 12)
148655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengenum {
149d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_Jdata = 0,
150d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_ExHash = 1,
151d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_Unused = 2,
152d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_EaIndirect = 3,
153d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_Directio = 4,
154d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_Immutable = 5,
155d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_AppendOnly = 6,
156d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_NoAtime = 7,
157d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_Sync = 8,
158d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_System = 9,
159d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_TopLevel = 10,
160d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_TruncInProg = 29,
161d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_InheritDirectio = 30,
162d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  gfs2fl_InheritJdata = 31,
163655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
164655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_JDATA 0x00000001
165655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_EXHASH 0x00000002
166655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_UNUSED 0x00000004
167655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_EA_INDIRECT 0x00000008
168655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_DIRECTIO 0x00000010
169655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_IMMUTABLE 0x00000020
170655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_APPENDONLY 0x00000040
171655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_NOATIME 0x00000080
172655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_SYNC 0x00000100
173655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_SYSTEM 0x00000200
174655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_TOPDIR 0x00000400
175655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_TRUNC_IN_PROG 0x20000000
176655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_INHERIT_DIRECTIO 0x40000000
177655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIF_INHERIT_JDATA 0x80000000
178655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_dinode {
179d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_meta_header di_header;
180d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_inum di_num;
181d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_mode;
182d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_uid;
183d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_gid;
184d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_nlink;
185d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 di_size;
186d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 di_blocks;
187d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 di_atime;
188d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 di_mtime;
189d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 di_ctime;
190d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_major;
191d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_minor;
192d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 di_goal_meta;
193d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 di_goal_data;
194d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 di_generation;
195d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_flags;
196d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_payload_format;
197d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u16 __pad1;
198d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be16 di_height;
199d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u32 __pad2;
200d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u16 __pad3;
201d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be16 di_depth;
202d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_entries;
203d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_inum __pad4;
204d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 di_eattr;
205d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_atime_nsec;
206d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_mtime_nsec;
207d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 di_ctime_nsec;
208d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 di_reserved[44];
209655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
210655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_FNAMESIZE 255
211655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_DIRENT_SIZE(name_len) ((sizeof(struct gfs2_dirent) + (name_len) + 7) & ~7)
212106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris#define GFS2_MIN_DIRENT_SIZE (GFS2_DIRENT_SIZE(1))
213655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_dirent {
214d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_inum de_inum;
215106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris  __be32 de_hash;
216d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be16 de_rec_len;
217d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be16 de_name_len;
218d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be16 de_type;
219106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris  __be16 de_rahead;
220106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris  union {
221106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris    __u8 __pad[12];
222d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao    struct {
223106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris      __u32 de_cookie;
224106b3a8a7dc03c19a45e322de425ac56aafac358Christopher Ferris      __u8 pad3[8];
225d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao    };
226d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  };
227655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
228655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_leaf {
229d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_meta_header lf_header;
230d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be16 lf_depth;
231d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be16 lf_entries;
232d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 lf_dirent_format;
233d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 lf_next;
234d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  union {
235d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao    __u8 lf_reserved[64];
236d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao    struct {
237d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao      __be64 lf_inode;
238d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao      __be32 lf_dist;
239d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao      __be32 lf_nsec;
240d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao      __be64 lf_sec;
241d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao      __u8 lf_reserved2[40];
242d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao    };
243d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  };
244655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
245655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_EA_MAX_NAME_LEN 255
246655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_EA_MAX_DATA_LEN 65536
24738062f954c637861348dd8078cefb73554e6f12cChristopher Ferris#define GFS2_EATYPE_UNUSED 0
248655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_EATYPE_USR 1
249655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_EATYPE_SYS 2
250655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_EATYPE_SECURITY 3
25138062f954c637861348dd8078cefb73554e6f12cChristopher Ferris#define GFS2_EATYPE_LAST 3
252655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_EATYPE_VALID(x) ((x) <= GFS2_EATYPE_LAST)
253655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_EAFLAG_LAST 0x01
254655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_ea_header {
255d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 ea_rec_len;
256d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 ea_data_len;
257d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 ea_name_len;
258d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 ea_type;
259d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 ea_flags;
260d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 ea_num_ptrs;
261d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u32 __pad;
262655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
26338062f954c637861348dd8078cefb73554e6f12cChristopher Ferris#define GFS2_LOG_HEAD_UNMOUNT 0x00000001
264655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_log_header {
265d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_meta_header lh_header;
266d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 lh_sequence;
267d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 lh_flags;
268d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 lh_tail;
269d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 lh_blkno;
270d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 lh_hash;
27138062f954c637861348dd8078cefb73554e6f12cChristopher Ferris};
272655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_LOG_DESC_METADATA 300
273655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_LOG_DESC_REVOKE 301
274655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_LOG_DESC_JDATA 302
27538062f954c637861348dd8078cefb73554e6f12cChristopher Ferrisstruct gfs2_log_descriptor {
276d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct gfs2_meta_header ld_header;
277d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 ld_type;
278d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 ld_length;
279d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 ld_data1;
280d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 ld_data2;
281d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 ld_reserved[32];
282655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
28338062f954c637861348dd8078cefb73554e6f12cChristopher Ferris#define GFS2_INUM_QUANTUM 1048576
284655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_inum_range {
285d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 ir_start;
286d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 ir_length;
28738062f954c637861348dd8078cefb73554e6f12cChristopher Ferris};
288655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_statfs_change {
289d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 sc_total;
290d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 sc_free;
291d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 sc_dinodes;
292655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
293655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define GFS2_QCF_USER 0x00000001
294655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct gfs2_quota_change {
295d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 qc_change;
296d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 qc_flags;
297d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 qc_id;
298655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
29938062f954c637861348dd8078cefb73554e6f12cChristopher Ferrisstruct gfs2_quota_lvb {
300d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be32 qb_magic;
301d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u32 __pad;
302d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 qb_limit;
303d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 qb_warn;
304d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __be64 qb_value;
305655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
306655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#endif
307