1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _LINUX_EXT3_FS_H
13#define _LINUX_EXT3_FS_H
14
15#include <linux/types.h>
16
17#undef EXT3FS_DEBUG
18
19#define EXT3_DEFAULT_RESERVE_BLOCKS 8
20
21#define EXT3_MAX_RESERVE_BLOCKS 1027
22#define EXT3_RESERVE_WINDOW_NOT_ALLOCATED 0
23
24#define CONFIG_EXT3_INDEX
25
26#ifdef EXT3FS_DEBUG
27#define ext3_debug(f, a...)   do {   printk (KERN_DEBUG "EXT3-fs DEBUG (%s, %d): %s:",   __FILE__, __LINE__, __FUNCTION__);   printk (KERN_DEBUG f, ## a);   } while (0)
28#else
29#define ext3_debug(f, a...) do {} while (0)
30#endif
31
32#define EXT3_BAD_INO 1
33#define EXT3_ROOT_INO 2
34#define EXT3_BOOT_LOADER_INO 5
35#define EXT3_UNDEL_DIR_INO 6
36#define EXT3_RESIZE_INO 7
37#define EXT3_JOURNAL_INO 8
38
39#define EXT3_GOOD_OLD_FIRST_INO 11
40
41#define EXT3_SUPER_MAGIC 0xEF53
42
43#define EXT3_LINK_MAX 32000
44
45#define EXT3_MIN_BLOCK_SIZE 1024
46#define EXT3_MAX_BLOCK_SIZE 4096
47#define EXT3_MIN_BLOCK_LOG_SIZE 10
48#define EXT3_BLOCK_SIZE(s) (EXT3_MIN_BLOCK_SIZE << (s)->s_log_block_size)
49#define EXT3_ADDR_PER_BLOCK(s) (EXT3_BLOCK_SIZE(s) / sizeof (__u32))
50#define EXT3_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10)
51#define EXT3_INODE_SIZE(s) (((s)->s_rev_level == EXT3_GOOD_OLD_REV) ?   EXT3_GOOD_OLD_INODE_SIZE :   (s)->s_inode_size)
52#define EXT3_FIRST_INO(s) (((s)->s_rev_level == EXT3_GOOD_OLD_REV) ?   EXT3_GOOD_OLD_FIRST_INO :   (s)->s_first_ino)
53
54#define EXT3_MIN_FRAG_SIZE 1024
55#define EXT3_MAX_FRAG_SIZE 4096
56#define EXT3_MIN_FRAG_LOG_SIZE 10
57#define EXT3_FRAG_SIZE(s) (EXT3_MIN_FRAG_SIZE << (s)->s_log_frag_size)
58#define EXT3_FRAGS_PER_BLOCK(s) (EXT3_BLOCK_SIZE(s) / EXT3_FRAG_SIZE(s))
59
60struct ext3_group_desc
61{
62 __le32 bg_block_bitmap;
63 __le32 bg_inode_bitmap;
64 __le32 bg_inode_table;
65 __le16 bg_free_blocks_count;
66 __le16 bg_free_inodes_count;
67 __le16 bg_used_dirs_count;
68 __u16 bg_pad;
69 __le32 bg_reserved[3];
70};
71
72#define EXT3_BLOCKS_PER_GROUP(s) ((s)->s_blocks_per_group)
73#define EXT3_DESC_PER_BLOCK(s) (EXT3_BLOCK_SIZE(s) / sizeof (struct ext3_group_desc))
74#define EXT3_INODES_PER_GROUP(s) ((s)->s_inodes_per_group)
75
76#define EXT3_NDIR_BLOCKS 12
77#define EXT3_IND_BLOCK EXT3_NDIR_BLOCKS
78#define EXT3_DIND_BLOCK (EXT3_IND_BLOCK + 1)
79#define EXT3_TIND_BLOCK (EXT3_DIND_BLOCK + 1)
80#define EXT3_N_BLOCKS (EXT3_TIND_BLOCK + 1)
81
82#define EXT3_SECRM_FL 0x00000001
83#define EXT3_UNRM_FL 0x00000002
84#define EXT3_COMPR_FL 0x00000004
85#define EXT3_SYNC_FL 0x00000008
86#define EXT3_IMMUTABLE_FL 0x00000010
87#define EXT3_APPEND_FL 0x00000020
88#define EXT3_NODUMP_FL 0x00000040
89#define EXT3_NOATIME_FL 0x00000080
90
91#define EXT3_DIRTY_FL 0x00000100
92#define EXT3_COMPRBLK_FL 0x00000200
93#define EXT3_NOCOMPR_FL 0x00000400
94#define EXT3_ECOMPR_FL 0x00000800
95
96#define EXT3_INDEX_FL 0x00001000
97#define EXT3_IMAGIC_FL 0x00002000
98#define EXT3_JOURNAL_DATA_FL 0x00004000
99#define EXT3_NOTAIL_FL 0x00008000
100#define EXT3_DIRSYNC_FL 0x00010000
101#define EXT3_TOPDIR_FL 0x00020000
102#define EXT3_RESERVED_FL 0x80000000
103
104#define EXT3_FL_USER_VISIBLE 0x0003DFFF
105#define EXT3_FL_USER_MODIFIABLE 0x000380FF
106
107#define EXT3_STATE_JDATA 0x00000001
108#define EXT3_STATE_NEW 0x00000002
109#define EXT3_STATE_XATTR 0x00000004
110
111struct ext3_new_group_input {
112 __u32 group;
113 __u32 block_bitmap;
114 __u32 inode_bitmap;
115 __u32 inode_table;
116 __u32 blocks_count;
117 __u16 reserved_blocks;
118 __u16 unused;
119};
120
121struct ext3_new_group_data {
122 __u32 group;
123 __u32 block_bitmap;
124 __u32 inode_bitmap;
125 __u32 inode_table;
126 __u32 blocks_count;
127 __u16 reserved_blocks;
128 __u16 unused;
129 __u32 free_blocks_count;
130};
131
132#define EXT3_IOC_GETFLAGS _IOR('f', 1, long)
133#define EXT3_IOC_SETFLAGS _IOW('f', 2, long)
134#define EXT3_IOC_GETVERSION _IOR('f', 3, long)
135#define EXT3_IOC_SETVERSION _IOW('f', 4, long)
136#define EXT3_IOC_GROUP_EXTEND _IOW('f', 7, unsigned long)
137#define EXT3_IOC_GROUP_ADD _IOW('f', 8,struct ext3_new_group_input)
138#define EXT3_IOC_GETVERSION_OLD _IOR('v', 1, long)
139#define EXT3_IOC_SETVERSION_OLD _IOW('v', 2, long)
140#define EXT3_IOC_GETRSVSZ _IOR('f', 5, long)
141#define EXT3_IOC_SETRSVSZ _IOW('f', 6, long)
142
143struct ext3_mount_options {
144 unsigned long s_mount_opt;
145 uid_t s_resuid;
146 gid_t s_resgid;
147 unsigned long s_commit_interval;
148};
149
150struct ext3_inode {
151 __le16 i_mode;
152 __le16 i_uid;
153 __le32 i_size;
154 __le32 i_atime;
155 __le32 i_ctime;
156 __le32 i_mtime;
157 __le32 i_dtime;
158 __le16 i_gid;
159 __le16 i_links_count;
160 __le32 i_blocks;
161 __le32 i_flags;
162 union {
163 struct {
164 __u32 l_i_reserved1;
165 } linux1;
166 struct {
167 __u32 h_i_translator;
168 } hurd1;
169 struct {
170 __u32 m_i_reserved1;
171 } masix1;
172 } osd1;
173 __le32 i_block[EXT3_N_BLOCKS];
174 __le32 i_generation;
175 __le32 i_file_acl;
176 __le32 i_dir_acl;
177 __le32 i_faddr;
178 union {
179 struct {
180 __u8 l_i_frag;
181 __u8 l_i_fsize;
182 __u16 i_pad1;
183 __le16 l_i_uid_high;
184 __le16 l_i_gid_high;
185 __u32 l_i_reserved2;
186 } linux2;
187 struct {
188 __u8 h_i_frag;
189 __u8 h_i_fsize;
190 __u16 h_i_mode_high;
191 __u16 h_i_uid_high;
192 __u16 h_i_gid_high;
193 __u32 h_i_author;
194 } hurd2;
195 struct {
196 __u8 m_i_frag;
197 __u8 m_i_fsize;
198 __u16 m_pad1;
199 __u32 m_i_reserved2[2];
200 } masix2;
201 } osd2;
202 __le16 i_extra_isize;
203 __le16 i_pad1;
204};
205
206#define i_size_high i_dir_acl
207
208#ifdef __linux__
209#define i_reserved1 osd1.linux1.l_i_reserved1
210#define i_frag osd2.linux2.l_i_frag
211#define i_fsize osd2.linux2.l_i_fsize
212#define i_uid_low i_uid
213#define i_gid_low i_gid
214#define i_uid_high osd2.linux2.l_i_uid_high
215#define i_gid_high osd2.linux2.l_i_gid_high
216#define i_reserved2 osd2.linux2.l_i_reserved2
217
218#elif defined(__GNU__)
219
220#define i_translator osd1.hurd1.h_i_translator
221#define i_frag osd2.hurd2.h_i_frag;
222#define i_fsize osd2.hurd2.h_i_fsize;
223#define i_uid_high osd2.hurd2.h_i_uid_high
224#define i_gid_high osd2.hurd2.h_i_gid_high
225#define i_author osd2.hurd2.h_i_author
226
227#elif defined(__masix__)
228
229#define i_reserved1 osd1.masix1.m_i_reserved1
230#define i_frag osd2.masix2.m_i_frag
231#define i_fsize osd2.masix2.m_i_fsize
232#define i_reserved2 osd2.masix2.m_i_reserved2
233
234#endif
235
236#define EXT3_VALID_FS 0x0001
237#define EXT3_ERROR_FS 0x0002
238#define EXT3_ORPHAN_FS 0x0004
239
240#define EXT3_MOUNT_CHECK 0x00001
241#define EXT3_MOUNT_OLDALLOC 0x00002
242#define EXT3_MOUNT_GRPID 0x00004
243#define EXT3_MOUNT_DEBUG 0x00008
244#define EXT3_MOUNT_ERRORS_CONT 0x00010
245#define EXT3_MOUNT_ERRORS_RO 0x00020
246#define EXT3_MOUNT_ERRORS_PANIC 0x00040
247#define EXT3_MOUNT_MINIX_DF 0x00080
248#define EXT3_MOUNT_NOLOAD 0x00100
249#define EXT3_MOUNT_ABORT 0x00200
250#define EXT3_MOUNT_DATA_FLAGS 0x00C00
251#define EXT3_MOUNT_JOURNAL_DATA 0x00400
252#define EXT3_MOUNT_ORDERED_DATA 0x00800
253#define EXT3_MOUNT_WRITEBACK_DATA 0x00C00
254#define EXT3_MOUNT_UPDATE_JOURNAL 0x01000
255#define EXT3_MOUNT_NO_UID32 0x02000
256#define EXT3_MOUNT_XATTR_USER 0x04000
257#define EXT3_MOUNT_POSIX_ACL 0x08000
258#define EXT3_MOUNT_RESERVATION 0x10000
259#define EXT3_MOUNT_BARRIER 0x20000
260#define EXT3_MOUNT_NOBH 0x40000
261#define EXT3_MOUNT_QUOTA 0x80000
262#define EXT3_MOUNT_USRQUOTA 0x100000
263#define EXT3_MOUNT_GRPQUOTA 0x200000
264
265#ifndef _LINUX_EXT2_FS_H
266#define clear_opt(o, opt) o &= ~EXT3_MOUNT_##opt
267#define set_opt(o, opt) o |= EXT3_MOUNT_##opt
268#define test_opt(sb, opt) (EXT3_SB(sb)->s_mount_opt &   EXT3_MOUNT_##opt)
269#else
270#define EXT2_MOUNT_NOLOAD EXT3_MOUNT_NOLOAD
271#define EXT2_MOUNT_ABORT EXT3_MOUNT_ABORT
272#define EXT2_MOUNT_DATA_FLAGS EXT3_MOUNT_DATA_FLAGS
273#endif
274
275#define ext3_set_bit ext2_set_bit
276#define ext3_set_bit_atomic ext2_set_bit_atomic
277#define ext3_clear_bit ext2_clear_bit
278#define ext3_clear_bit_atomic ext2_clear_bit_atomic
279#define ext3_test_bit ext2_test_bit
280#define ext3_find_first_zero_bit ext2_find_first_zero_bit
281#define ext3_find_next_zero_bit ext2_find_next_zero_bit
282
283#define EXT3_DFL_MAX_MNT_COUNT 20
284#define EXT3_DFL_CHECKINTERVAL 0
285
286#define EXT3_ERRORS_CONTINUE 1
287#define EXT3_ERRORS_RO 2
288#define EXT3_ERRORS_PANIC 3
289#define EXT3_ERRORS_DEFAULT EXT3_ERRORS_CONTINUE
290
291struct ext3_super_block {
292  __le32 s_inodes_count;
293 __le32 s_blocks_count;
294 __le32 s_r_blocks_count;
295 __le32 s_free_blocks_count;
296  __le32 s_free_inodes_count;
297 __le32 s_first_data_block;
298 __le32 s_log_block_size;
299 __le32 s_log_frag_size;
300  __le32 s_blocks_per_group;
301 __le32 s_frags_per_group;
302 __le32 s_inodes_per_group;
303 __le32 s_mtime;
304  __le32 s_wtime;
305 __le16 s_mnt_count;
306 __le16 s_max_mnt_count;
307 __le16 s_magic;
308 __le16 s_state;
309 __le16 s_errors;
310 __le16 s_minor_rev_level;
311  __le32 s_lastcheck;
312 __le32 s_checkinterval;
313 __le32 s_creator_os;
314 __le32 s_rev_level;
315  __le16 s_def_resuid;
316 __le16 s_def_resgid;
317
318 __le32 s_first_ino;
319 __le16 s_inode_size;
320 __le16 s_block_group_nr;
321 __le32 s_feature_compat;
322  __le32 s_feature_incompat;
323 __le32 s_feature_ro_compat;
324  __u8 s_uuid[16];
325  char s_volume_name[16];
326  char s_last_mounted[64];
327  __le32 s_algorithm_usage_bitmap;
328
329 __u8 s_prealloc_blocks;
330 __u8 s_prealloc_dir_blocks;
331 __u16 s_reserved_gdt_blocks;
332
333  __u8 s_journal_uuid[16];
334  __le32 s_journal_inum;
335 __le32 s_journal_dev;
336 __le32 s_last_orphan;
337 __le32 s_hash_seed[4];
338 __u8 s_def_hash_version;
339 __u8 s_reserved_char_pad;
340 __u16 s_reserved_word_pad;
341 __le32 s_default_mount_opts;
342 __le32 s_first_meta_bg;
343 __u32 s_reserved[190];
344};
345
346#define EXT3_SB(sb) (sb)
347
348#define NEXT_ORPHAN(inode) EXT3_I(inode)->i_dtime
349
350#define EXT3_OS_LINUX 0
351#define EXT3_OS_HURD 1
352#define EXT3_OS_MASIX 2
353#define EXT3_OS_FREEBSD 3
354#define EXT3_OS_LITES 4
355
356#define EXT3_GOOD_OLD_REV 0
357#define EXT3_DYNAMIC_REV 1
358
359#define EXT3_CURRENT_REV EXT3_GOOD_OLD_REV
360#define EXT3_MAX_SUPP_REV EXT3_DYNAMIC_REV
361
362#define EXT3_GOOD_OLD_INODE_SIZE 128
363
364#define EXT3_HAS_COMPAT_FEATURE(sb,mask)   ( EXT3_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask) )
365#define EXT3_HAS_RO_COMPAT_FEATURE(sb,mask)   ( EXT3_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask) )
366#define EXT3_HAS_INCOMPAT_FEATURE(sb,mask)   ( EXT3_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask) )
367#define EXT3_SET_COMPAT_FEATURE(sb,mask)   EXT3_SB(sb)->s_es->s_feature_compat |= cpu_to_le32(mask)
368#define EXT3_SET_RO_COMPAT_FEATURE(sb,mask)   EXT3_SB(sb)->s_es->s_feature_ro_compat |= cpu_to_le32(mask)
369#define EXT3_SET_INCOMPAT_FEATURE(sb,mask)   EXT3_SB(sb)->s_es->s_feature_incompat |= cpu_to_le32(mask)
370#define EXT3_CLEAR_COMPAT_FEATURE(sb,mask)   EXT3_SB(sb)->s_es->s_feature_compat &= ~cpu_to_le32(mask)
371#define EXT3_CLEAR_RO_COMPAT_FEATURE(sb,mask)   EXT3_SB(sb)->s_es->s_feature_ro_compat &= ~cpu_to_le32(mask)
372#define EXT3_CLEAR_INCOMPAT_FEATURE(sb,mask)   EXT3_SB(sb)->s_es->s_feature_incompat &= ~cpu_to_le32(mask)
373
374#define EXT3_FEATURE_COMPAT_DIR_PREALLOC 0x0001
375#define EXT3_FEATURE_COMPAT_IMAGIC_INODES 0x0002
376#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004
377#define EXT3_FEATURE_COMPAT_EXT_ATTR 0x0008
378#define EXT3_FEATURE_COMPAT_RESIZE_INODE 0x0010
379#define EXT3_FEATURE_COMPAT_DIR_INDEX 0x0020
380
381#define EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001
382#define EXT3_FEATURE_RO_COMPAT_LARGE_FILE 0x0002
383#define EXT3_FEATURE_RO_COMPAT_BTREE_DIR 0x0004
384
385#define EXT3_FEATURE_INCOMPAT_COMPRESSION 0x0001
386#define EXT3_FEATURE_INCOMPAT_FILETYPE 0x0002
387#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004
388#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008
389#define EXT3_FEATURE_INCOMPAT_META_BG 0x0010
390
391#define EXT3_FEATURE_COMPAT_SUPP EXT2_FEATURE_COMPAT_EXT_ATTR
392#define EXT3_FEATURE_INCOMPAT_SUPP (EXT3_FEATURE_INCOMPAT_FILETYPE|   EXT3_FEATURE_INCOMPAT_RECOVER|   EXT3_FEATURE_INCOMPAT_META_BG)
393#define EXT3_FEATURE_RO_COMPAT_SUPP (EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER|   EXT3_FEATURE_RO_COMPAT_LARGE_FILE|   EXT3_FEATURE_RO_COMPAT_BTREE_DIR)
394
395#define EXT3_DEF_RESUID 0
396#define EXT3_DEF_RESGID 0
397
398#define EXT3_DEFM_DEBUG 0x0001
399#define EXT3_DEFM_BSDGROUPS 0x0002
400#define EXT3_DEFM_XATTR_USER 0x0004
401#define EXT3_DEFM_ACL 0x0008
402#define EXT3_DEFM_UID16 0x0010
403#define EXT3_DEFM_JMODE 0x0060
404#define EXT3_DEFM_JMODE_DATA 0x0020
405#define EXT3_DEFM_JMODE_ORDERED 0x0040
406#define EXT3_DEFM_JMODE_WBACK 0x0060
407
408#define EXT3_NAME_LEN 255
409
410struct ext3_dir_entry {
411 __le32 inode;
412 __le16 rec_len;
413 __le16 name_len;
414 char name[EXT3_NAME_LEN];
415};
416
417struct ext3_dir_entry_2 {
418 __le32 inode;
419 __le16 rec_len;
420 __u8 name_len;
421 __u8 file_type;
422 char name[EXT3_NAME_LEN];
423};
424
425#define EXT3_FT_UNKNOWN 0
426#define EXT3_FT_REG_FILE 1
427#define EXT3_FT_DIR 2
428#define EXT3_FT_CHRDEV 3
429#define EXT3_FT_BLKDEV 4
430#define EXT3_FT_FIFO 5
431#define EXT3_FT_SOCK 6
432#define EXT3_FT_SYMLINK 7
433
434#define EXT3_FT_MAX 8
435
436#define EXT3_DIR_PAD 4
437#define EXT3_DIR_ROUND (EXT3_DIR_PAD - 1)
438#define EXT3_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT3_DIR_ROUND) &   ~EXT3_DIR_ROUND)
439
440#define is_dx(dir) 0
441#define EXT3_DIR_LINK_MAX(dir) ((dir)->i_nlink >= EXT3_LINK_MAX)
442#define EXT3_DIR_LINK_EMPTY(dir) ((dir)->i_nlink == 2)
443
444#define DX_HASH_LEGACY 0
445#define DX_HASH_HALF_MD4 1
446#define DX_HASH_TEA 2
447
448#endif
449