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 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _LINUX_NILFS2_ONDISK_H 20 #define _LINUX_NILFS2_ONDISK_H 21 #include <linux/types.h> 22 #include <linux/magic.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #define NILFS_INODE_BMAP_SIZE 7 25 struct nilfs_inode { 26 __le64 i_blocks; 27 __le64 i_size; 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 __le64 i_ctime; 30 __le64 i_mtime; 31 __le32 i_ctime_nsec; 32 __le32 i_mtime_nsec; 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 __le32 i_uid; 35 __le32 i_gid; 36 __le16 i_mode; 37 __le16 i_links_count; 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 __le32 i_flags; 40 __le64 i_bmap[NILFS_INODE_BMAP_SIZE]; 41 #define i_device_code i_bmap[0] 42 __le64 i_xattr; 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 __le32 i_generation; 45 __le32 i_pad; 46 }; 47 #define NILFS_MIN_INODE_SIZE 128 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 struct nilfs_super_root { 50 __le32 sr_sum; 51 __le16 sr_bytes; 52 __le16 sr_flags; 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 __le64 sr_nongc_ctime; 55 struct nilfs_inode sr_dat; 56 struct nilfs_inode sr_cpfile; 57 struct nilfs_inode sr_sufile; 58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59 }; 60 #define NILFS_SR_MDT_OFFSET(inode_size,i) ((unsigned long) & ((struct nilfs_super_root *) 0)->sr_dat + (inode_size) * (i)) 61 #define NILFS_SR_DAT_OFFSET(inode_size) NILFS_SR_MDT_OFFSET(inode_size, 0) 62 #define NILFS_SR_CPFILE_OFFSET(inode_size) NILFS_SR_MDT_OFFSET(inode_size, 1) 63 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64 #define NILFS_SR_SUFILE_OFFSET(inode_size) NILFS_SR_MDT_OFFSET(inode_size, 2) 65 #define NILFS_SR_BYTES(inode_size) NILFS_SR_MDT_OFFSET(inode_size, 3) 66 #define NILFS_DFL_MAX_MNT_COUNT 50 67 #define NILFS_VALID_FS 0x0001 68 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69 #define NILFS_ERROR_FS 0x0002 70 #define NILFS_RESIZE_FS 0x0004 71 #define NILFS_MOUNT_ERROR_MODE 0x0070 72 #define NILFS_MOUNT_ERRORS_CONT 0x0010 73 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74 #define NILFS_MOUNT_ERRORS_RO 0x0020 75 #define NILFS_MOUNT_ERRORS_PANIC 0x0040 76 #define NILFS_MOUNT_BARRIER 0x1000 77 #define NILFS_MOUNT_STRICT_ORDER 0x2000 78 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79 #define NILFS_MOUNT_NORECOVERY 0x4000 80 #define NILFS_MOUNT_DISCARD 0x8000 81 struct nilfs_super_block { 82 __le32 s_rev_level; 83 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 84 __le16 s_minor_rev_level; 85 __le16 s_magic; 86 __le16 s_bytes; 87 __le16 s_flags; 88 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 89 __le32 s_crc_seed; 90 __le32 s_sum; 91 __le32 s_log_block_size; 92 __le64 s_nsegments; 93 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 94 __le64 s_dev_size; 95 __le64 s_first_data_block; 96 __le32 s_blocks_per_segment; 97 __le32 s_r_segments_percentage; 98 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 99 __le64 s_last_cno; 100 __le64 s_last_pseg; 101 __le64 s_last_seq; 102 __le64 s_free_blocks_count; 103 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 104 __le64 s_ctime; 105 __le64 s_mtime; 106 __le64 s_wtime; 107 __le16 s_mnt_count; 108 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 109 __le16 s_max_mnt_count; 110 __le16 s_state; 111 __le16 s_errors; 112 __le64 s_lastcheck; 113 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 114 __le32 s_checkinterval; 115 __le32 s_creator_os; 116 __le16 s_def_resuid; 117 __le16 s_def_resgid; 118 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 119 __le32 s_first_ino; 120 __le16 s_inode_size; 121 __le16 s_dat_entry_size; 122 __le16 s_checkpoint_size; 123 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 124 __le16 s_segment_usage_size; 125 __u8 s_uuid[16]; 126 char s_volume_name[80]; 127 __le32 s_c_interval; 128 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 129 __le32 s_c_block_max; 130 __le64 s_feature_compat; 131 __le64 s_feature_compat_ro; 132 __le64 s_feature_incompat; 133 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 134 __u32 s_reserved[186]; 135 }; 136 #define NILFS_OS_LINUX 0 137 #define NILFS_CURRENT_REV 2 138 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 139 #define NILFS_MINOR_REV 0 140 #define NILFS_MIN_SUPP_REV 2 141 #define NILFS_FEATURE_COMPAT_RO_BLOCK_COUNT 0x00000001ULL 142 #define NILFS_FEATURE_COMPAT_SUPP 0ULL 143 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 144 #define NILFS_FEATURE_COMPAT_RO_SUPP NILFS_FEATURE_COMPAT_RO_BLOCK_COUNT 145 #define NILFS_FEATURE_INCOMPAT_SUPP 0ULL 146 #define NILFS_SB_BYTES ((long) & ((struct nilfs_super_block *) 0)->s_reserved) 147 #define NILFS_ROOT_INO 2 148 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 149 #define NILFS_DAT_INO 3 150 #define NILFS_CPFILE_INO 4 151 #define NILFS_SUFILE_INO 5 152 #define NILFS_IFILE_INO 6 153 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 154 #define NILFS_ATIME_INO 7 155 #define NILFS_XATTR_INO 8 156 #define NILFS_SKETCH_INO 10 157 #define NILFS_USER_INO 11 158 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 159 #define NILFS_SB_OFFSET_BYTES 1024 160 #define NILFS_SEG_MIN_BLOCKS 16 161 #define NILFS_PSEG_MIN_BLOCKS 2 162 #define NILFS_MIN_NRSVSEGS 8 163 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 164 #define NILFS_ROOT_METADATA_FILE(ino) ((ino) >= NILFS_DAT_INO && (ino) <= NILFS_SUFILE_INO) 165 #define NILFS_SB2_OFFSET_BYTES(devsize) ((((devsize) >> 12) - 1) << 12) 166 #define NILFS_LINK_MAX 32000 167 #define NILFS_NAME_LEN 255 168 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 169 #define NILFS_MIN_BLOCK_SIZE 1024 170 #define NILFS_MAX_BLOCK_SIZE 65536 171 struct nilfs_dir_entry { 172 __le64 inode; 173 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 174 __le16 rec_len; 175 __u8 name_len; 176 __u8 file_type; 177 char name[NILFS_NAME_LEN]; 178 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 179 char pad; 180 }; 181 enum { 182 NILFS_FT_UNKNOWN, 183 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 184 NILFS_FT_REG_FILE, 185 NILFS_FT_DIR, 186 NILFS_FT_CHRDEV, 187 NILFS_FT_BLKDEV, 188 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 189 NILFS_FT_FIFO, 190 NILFS_FT_SOCK, 191 NILFS_FT_SYMLINK, 192 NILFS_FT_MAX 193 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 194 }; 195 #define NILFS_DIR_PAD 8 196 #define NILFS_DIR_ROUND (NILFS_DIR_PAD - 1) 197 #define NILFS_DIR_REC_LEN(name_len) (((name_len) + 12 + NILFS_DIR_ROUND) & ~NILFS_DIR_ROUND) 198 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 199 #define NILFS_MAX_REC_LEN ((1 << 16) - 1) 200 struct nilfs_finfo { 201 __le64 fi_ino; 202 __le64 fi_cno; 203 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 204 __le32 fi_nblocks; 205 __le32 fi_ndatablk; 206 }; 207 struct nilfs_binfo_v { 208 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 209 __le64 bi_vblocknr; 210 __le64 bi_blkoff; 211 }; 212 struct nilfs_binfo_dat { 213 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 214 __le64 bi_blkoff; 215 __u8 bi_level; 216 __u8 bi_pad[7]; 217 }; 218 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 219 union nilfs_binfo { 220 struct nilfs_binfo_v bi_v; 221 struct nilfs_binfo_dat bi_dat; 222 }; 223 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 224 struct nilfs_segment_summary { 225 __le32 ss_datasum; 226 __le32 ss_sumsum; 227 __le32 ss_magic; 228 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 229 __le16 ss_bytes; 230 __le16 ss_flags; 231 __le64 ss_seq; 232 __le64 ss_create; 233 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 234 __le64 ss_next; 235 __le32 ss_nblocks; 236 __le32 ss_nfinfo; 237 __le32 ss_sumbytes; 238 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 239 __le32 ss_pad; 240 __le64 ss_cno; 241 }; 242 #define NILFS_SEGSUM_MAGIC 0x1eaffa11 243 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 244 #define NILFS_SS_LOGBGN 0x0001 245 #define NILFS_SS_LOGEND 0x0002 246 #define NILFS_SS_SR 0x0004 247 #define NILFS_SS_SYNDT 0x0008 248 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 249 #define NILFS_SS_GC 0x0010 250 struct nilfs_btree_node { 251 __u8 bn_flags; 252 __u8 bn_level; 253 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 254 __le16 bn_nchildren; 255 __le32 bn_pad; 256 }; 257 #define NILFS_BTREE_NODE_ROOT 0x01 258 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 259 #define NILFS_BTREE_LEVEL_DATA 0 260 #define NILFS_BTREE_LEVEL_NODE_MIN (NILFS_BTREE_LEVEL_DATA + 1) 261 #define NILFS_BTREE_LEVEL_MAX 14 262 struct nilfs_direct_node { 263 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 264 __u8 dn_flags; 265 __u8 pad[7]; 266 }; 267 struct nilfs_palloc_group_desc { 268 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 269 __le32 pg_nfrees; 270 }; 271 struct nilfs_dat_entry { 272 __le64 de_blocknr; 273 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 274 __le64 de_start; 275 __le64 de_end; 276 __le64 de_rsv; 277 }; 278 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 279 #define NILFS_MIN_DAT_ENTRY_SIZE 32 280 struct nilfs_snapshot_list { 281 __le64 ssl_next; 282 __le64 ssl_prev; 283 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 284 }; 285 struct nilfs_checkpoint { 286 __le32 cp_flags; 287 __le32 cp_checkpoints_count; 288 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 289 struct nilfs_snapshot_list cp_snapshot_list; 290 __le64 cp_cno; 291 __le64 cp_create; 292 __le64 cp_nblk_inc; 293 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 294 __le64 cp_inodes_count; 295 __le64 cp_blocks_count; 296 struct nilfs_inode cp_ifile_inode; 297 }; 298 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 299 #define NILFS_MIN_CHECKPOINT_SIZE (64 + NILFS_MIN_INODE_SIZE) 300 enum { 301 NILFS_CHECKPOINT_SNAPSHOT, 302 NILFS_CHECKPOINT_INVALID, 303 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 304 NILFS_CHECKPOINT_SKETCH, 305 NILFS_CHECKPOINT_MINOR, 306 }; 307 #define NILFS_CHECKPOINT_FNS(flag,name) static inline void nilfs_checkpoint_set_ ##name(struct nilfs_checkpoint * cp) \ 308 { cp->cp_flags = cpu_to_le32(le32_to_cpu(cp->cp_flags) | (1UL << NILFS_CHECKPOINT_ ##flag)); \ 309 } static inline void nilfs_checkpoint_clear_ ##name(struct nilfs_checkpoint * cp) \ 310 { cp->cp_flags = cpu_to_le32(le32_to_cpu(cp->cp_flags) & ~(1UL << NILFS_CHECKPOINT_ ##flag)); \ 311 } static inline int nilfs_checkpoint_ ##name(const struct nilfs_checkpoint * cp) \ 312 { return ! ! (le32_to_cpu(cp->cp_flags) & (1UL << NILFS_CHECKPOINT_ ##flag)); \ 313 } 314 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 315 #define NILFS_CPFILE_FIRST_CHECKPOINT_OFFSET ((sizeof(struct nilfs_cpfile_header) + sizeof(struct nilfs_checkpoint) - 1) / sizeof(struct nilfs_checkpoint)) 316 struct nilfs_segment_usage { 317 __le64 su_lastmod; 318 __le32 su_nblocks; 319 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 320 __le32 su_flags; 321 }; 322 #define NILFS_MIN_SEGMENT_USAGE_SIZE 16 323 enum { 324 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 325 NILFS_SEGMENT_USAGE_ACTIVE, 326 NILFS_SEGMENT_USAGE_DIRTY, 327 NILFS_SEGMENT_USAGE_ERROR, 328 }; 329 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 330 #define NILFS_SEGMENT_USAGE_FNS(flag,name) static inline void nilfs_segment_usage_set_ ##name(struct nilfs_segment_usage * su) \ 331 { su->su_flags = cpu_to_le32(le32_to_cpu(su->su_flags) | (1UL << NILFS_SEGMENT_USAGE_ ##flag)); \ 332 } static inline void nilfs_segment_usage_clear_ ##name(struct nilfs_segment_usage * su) \ 333 { su->su_flags = cpu_to_le32(le32_to_cpu(su->su_flags) & ~(1UL << NILFS_SEGMENT_USAGE_ ##flag)); \ 334 } static inline int nilfs_segment_usage_ ##name(const struct nilfs_segment_usage * su) \ 335 { return ! ! (le32_to_cpu(su->su_flags) & (1UL << NILFS_SEGMENT_USAGE_ ##flag)); \ 336 } 337 struct nilfs_sufile_header { 338 __le64 sh_ncleansegs; 339 __le64 sh_ndirtysegs; 340 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 341 __le64 sh_last_alloc; 342 }; 343 #define NILFS_SUFILE_FIRST_SEGMENT_USAGE_OFFSET ((sizeof(struct nilfs_sufile_header) + sizeof(struct nilfs_segment_usage) - 1) / sizeof(struct nilfs_segment_usage)) 344 #endif 345 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 346
