1 /* 2 * This file is auto-generated. Modifications will be lost. 3 * 4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ 5 * for more information. 6 */ 7 #ifndef __GFS2_ONDISK_DOT_H__ 8 #define __GFS2_ONDISK_DOT_H__ 9 #include <linux/types.h> 10 #define GFS2_MAGIC 0x01161970 11 #define GFS2_BASIC_BLOCK 512 12 #define GFS2_BASIC_BLOCK_SHIFT 9 13 #define GFS2_MOUNT_LOCK 0 14 #define GFS2_LIVE_LOCK 1 15 #define GFS2_FREEZE_LOCK 2 16 #define GFS2_RENAME_LOCK 3 17 #define GFS2_CONTROL_LOCK 4 18 #define GFS2_MOUNTED_LOCK 5 19 #define GFS2_FORMAT_NONE 0 20 #define GFS2_FORMAT_SB 100 21 #define GFS2_FORMAT_RG 200 22 #define GFS2_FORMAT_RB 300 23 #define GFS2_FORMAT_DI 400 24 #define GFS2_FORMAT_IN 500 25 #define GFS2_FORMAT_LF 600 26 #define GFS2_FORMAT_JD 700 27 #define GFS2_FORMAT_LH 800 28 #define GFS2_FORMAT_LD 900 29 #define GFS2_FORMAT_LB 1000 30 #define GFS2_FORMAT_EA 1600 31 #define GFS2_FORMAT_ED 1700 32 #define GFS2_FORMAT_QC 1400 33 #define GFS2_FORMAT_RI 1100 34 #define GFS2_FORMAT_DE 1200 35 #define GFS2_FORMAT_QU 1500 36 #define GFS2_FORMAT_FS 1802 37 #define GFS2_FORMAT_MULTI 1900 38 struct gfs2_inum { 39 __be64 no_formal_ino; 40 __be64 no_addr; 41 }; 42 #define GFS2_METATYPE_NONE 0 43 #define GFS2_METATYPE_SB 1 44 #define GFS2_METATYPE_RG 2 45 #define GFS2_METATYPE_RB 3 46 #define GFS2_METATYPE_DI 4 47 #define GFS2_METATYPE_IN 5 48 #define GFS2_METATYPE_LF 6 49 #define GFS2_METATYPE_JD 7 50 #define GFS2_METATYPE_LH 8 51 #define GFS2_METATYPE_LD 9 52 #define GFS2_METATYPE_LB 12 53 #define GFS2_METATYPE_EA 10 54 #define GFS2_METATYPE_ED 11 55 #define GFS2_METATYPE_QC 14 56 struct gfs2_meta_header { 57 __be32 mh_magic; 58 __be32 mh_type; 59 __be64 __pad0; 60 __be32 mh_format; 61 union { 62 __be32 mh_jid; 63 __be32 __pad1; 64 }; 65 }; 66 #define GFS2_SB_ADDR 128 67 #define GFS2_SB_LOCK 0 68 #define GFS2_LOCKNAME_LEN 64 69 struct gfs2_sb { 70 struct gfs2_meta_header sb_header; 71 __be32 sb_fs_format; 72 __be32 sb_multihost_format; 73 __u32 __pad0; 74 __be32 sb_bsize; 75 __be32 sb_bsize_shift; 76 __u32 __pad1; 77 struct gfs2_inum sb_master_dir; 78 struct gfs2_inum __pad2; 79 struct gfs2_inum sb_root_dir; 80 char sb_lockproto[GFS2_LOCKNAME_LEN]; 81 char sb_locktable[GFS2_LOCKNAME_LEN]; 82 struct gfs2_inum __pad3; 83 struct gfs2_inum __pad4; 84 #define GFS2_HAS_UUID 1 85 __u8 sb_uuid[16]; 86 }; 87 struct gfs2_rindex { 88 __be64 ri_addr; 89 __be32 ri_length; 90 __u32 __pad; 91 __be64 ri_data0; 92 __be32 ri_data; 93 __be32 ri_bitbytes; 94 __u8 ri_reserved[64]; 95 }; 96 #define GFS2_NBBY 4 97 #define GFS2_BIT_SIZE 2 98 #define GFS2_BIT_MASK 0x00000003 99 #define GFS2_BLKST_FREE 0 100 #define GFS2_BLKST_USED 1 101 #define GFS2_BLKST_UNLINKED 2 102 #define GFS2_BLKST_DINODE 3 103 #define GFS2_RGF_JOURNAL 0x00000001 104 #define GFS2_RGF_METAONLY 0x00000002 105 #define GFS2_RGF_DATAONLY 0x00000004 106 #define GFS2_RGF_NOALLOC 0x00000008 107 #define GFS2_RGF_TRIMMED 0x00000010 108 struct gfs2_inode_lvb { 109 __be32 ri_magic; 110 __be32 __pad; 111 __be64 ri_generation_deleted; 112 }; 113 struct gfs2_rgrp_lvb { 114 __be32 rl_magic; 115 __be32 rl_flags; 116 __be32 rl_free; 117 __be32 rl_dinodes; 118 __be64 rl_igeneration; 119 __be32 rl_unlinked; 120 __be32 __pad; 121 }; 122 struct gfs2_rgrp { 123 struct gfs2_meta_header rg_header; 124 __be32 rg_flags; 125 __be32 rg_free; 126 __be32 rg_dinodes; 127 union { 128 __be32 __pad; 129 __be32 rg_skip; 130 }; 131 __be64 rg_igeneration; 132 __be64 rg_data0; 133 __be32 rg_data; 134 __be32 rg_bitbytes; 135 __be32 rg_crc; 136 __u8 rg_reserved[60]; 137 }; 138 struct gfs2_quota { 139 __be64 qu_limit; 140 __be64 qu_warn; 141 __be64 qu_value; 142 __u8 qu_reserved[64]; 143 }; 144 #define GFS2_MAX_META_HEIGHT 10 145 #define GFS2_DIR_MAX_DEPTH 17 146 #define DT2IF(dt) (((dt) << 12) & S_IFMT) 147 #define IF2DT(sif) (((sif) & S_IFMT) >> 12) 148 enum { 149 gfs2fl_Jdata = 0, 150 gfs2fl_ExHash = 1, 151 gfs2fl_Unused = 2, 152 gfs2fl_EaIndirect = 3, 153 gfs2fl_Directio = 4, 154 gfs2fl_Immutable = 5, 155 gfs2fl_AppendOnly = 6, 156 gfs2fl_NoAtime = 7, 157 gfs2fl_Sync = 8, 158 gfs2fl_System = 9, 159 gfs2fl_TopLevel = 10, 160 gfs2fl_TruncInProg = 29, 161 gfs2fl_InheritDirectio = 30, 162 gfs2fl_InheritJdata = 31, 163 }; 164 #define GFS2_DIF_JDATA 0x00000001 165 #define GFS2_DIF_EXHASH 0x00000002 166 #define GFS2_DIF_UNUSED 0x00000004 167 #define GFS2_DIF_EA_INDIRECT 0x00000008 168 #define GFS2_DIF_DIRECTIO 0x00000010 169 #define GFS2_DIF_IMMUTABLE 0x00000020 170 #define GFS2_DIF_APPENDONLY 0x00000040 171 #define GFS2_DIF_NOATIME 0x00000080 172 #define GFS2_DIF_SYNC 0x00000100 173 #define GFS2_DIF_SYSTEM 0x00000200 174 #define GFS2_DIF_TOPDIR 0x00000400 175 #define GFS2_DIF_TRUNC_IN_PROG 0x20000000 176 #define GFS2_DIF_INHERIT_DIRECTIO 0x40000000 177 #define GFS2_DIF_INHERIT_JDATA 0x80000000 178 struct gfs2_dinode { 179 struct gfs2_meta_header di_header; 180 struct gfs2_inum di_num; 181 __be32 di_mode; 182 __be32 di_uid; 183 __be32 di_gid; 184 __be32 di_nlink; 185 __be64 di_size; 186 __be64 di_blocks; 187 __be64 di_atime; 188 __be64 di_mtime; 189 __be64 di_ctime; 190 __be32 di_major; 191 __be32 di_minor; 192 __be64 di_goal_meta; 193 __be64 di_goal_data; 194 __be64 di_generation; 195 __be32 di_flags; 196 __be32 di_payload_format; 197 __u16 __pad1; 198 __be16 di_height; 199 __u32 __pad2; 200 __u16 __pad3; 201 __be16 di_depth; 202 __be32 di_entries; 203 struct gfs2_inum __pad4; 204 __be64 di_eattr; 205 __be32 di_atime_nsec; 206 __be32 di_mtime_nsec; 207 __be32 di_ctime_nsec; 208 __u8 di_reserved[44]; 209 }; 210 #define GFS2_FNAMESIZE 255 211 #define GFS2_DIRENT_SIZE(name_len) ((sizeof(struct gfs2_dirent) + (name_len) + 7) & ~7) 212 #define GFS2_MIN_DIRENT_SIZE (GFS2_DIRENT_SIZE(1)) 213 struct gfs2_dirent { 214 struct gfs2_inum de_inum; 215 __be32 de_hash; 216 __be16 de_rec_len; 217 __be16 de_name_len; 218 __be16 de_type; 219 __be16 de_rahead; 220 union { 221 __u8 __pad[12]; 222 struct { 223 __u32 de_cookie; 224 __u8 pad3[8]; 225 }; 226 }; 227 }; 228 struct gfs2_leaf { 229 struct gfs2_meta_header lf_header; 230 __be16 lf_depth; 231 __be16 lf_entries; 232 __be32 lf_dirent_format; 233 __be64 lf_next; 234 union { 235 __u8 lf_reserved[64]; 236 struct { 237 __be64 lf_inode; 238 __be32 lf_dist; 239 __be32 lf_nsec; 240 __be64 lf_sec; 241 __u8 lf_reserved2[40]; 242 }; 243 }; 244 }; 245 #define GFS2_EA_MAX_NAME_LEN 255 246 #define GFS2_EA_MAX_DATA_LEN 65536 247 #define GFS2_EATYPE_UNUSED 0 248 #define GFS2_EATYPE_USR 1 249 #define GFS2_EATYPE_SYS 2 250 #define GFS2_EATYPE_SECURITY 3 251 #define GFS2_EATYPE_TRUSTED 4 252 #define GFS2_EATYPE_LAST 4 253 #define GFS2_EATYPE_VALID(x) ((x) <= GFS2_EATYPE_LAST) 254 #define GFS2_EAFLAG_LAST 0x01 255 struct gfs2_ea_header { 256 __be32 ea_rec_len; 257 __be32 ea_data_len; 258 __u8 ea_name_len; 259 __u8 ea_type; 260 __u8 ea_flags; 261 __u8 ea_num_ptrs; 262 __u32 __pad; 263 }; 264 #define GFS2_LOG_HEAD_UNMOUNT 0x00000001 265 #define GFS2_LOG_HEAD_FLUSH_NORMAL 0x00000002 266 #define GFS2_LOG_HEAD_FLUSH_SYNC 0x00000004 267 #define GFS2_LOG_HEAD_FLUSH_SHUTDOWN 0x00000008 268 #define GFS2_LOG_HEAD_FLUSH_FREEZE 0x00000010 269 #define GFS2_LOG_HEAD_RECOVERY 0x00000020 270 #define GFS2_LOG_HEAD_USERSPACE 0x80000000 271 #define GFS2_LFC_SHUTDOWN 0x00000100 272 #define GFS2_LFC_JDATA_WPAGES 0x00000200 273 #define GFS2_LFC_SET_FLAGS 0x00000400 274 #define GFS2_LFC_AIL_EMPTY_GL 0x00000800 275 #define GFS2_LFC_AIL_FLUSH 0x00001000 276 #define GFS2_LFC_RGRP_GO_SYNC 0x00002000 277 #define GFS2_LFC_INODE_GO_SYNC 0x00004000 278 #define GFS2_LFC_INODE_GO_INVAL 0x00008000 279 #define GFS2_LFC_FREEZE_GO_SYNC 0x00010000 280 #define GFS2_LFC_KILL_SB 0x00020000 281 #define GFS2_LFC_DO_SYNC 0x00040000 282 #define GFS2_LFC_INPLACE_RESERVE 0x00080000 283 #define GFS2_LFC_WRITE_INODE 0x00100000 284 #define GFS2_LFC_MAKE_FS_RO 0x00200000 285 #define GFS2_LFC_SYNC_FS 0x00400000 286 #define GFS2_LFC_EVICT_INODE 0x00800000 287 #define GFS2_LFC_TRANS_END 0x01000000 288 #define GFS2_LFC_LOGD_JFLUSH_REQD 0x02000000 289 #define GFS2_LFC_LOGD_AIL_FLUSH_REQD 0x04000000 290 #define LH_V1_SIZE (offsetofend(struct gfs2_log_header, lh_hash)) 291 struct gfs2_log_header { 292 struct gfs2_meta_header lh_header; 293 __be64 lh_sequence; 294 __be32 lh_flags; 295 __be32 lh_tail; 296 __be32 lh_blkno; 297 __be32 lh_hash; 298 __be32 lh_crc; 299 __be32 lh_nsec; 300 __be64 lh_sec; 301 __be64 lh_addr; 302 __be64 lh_jinode; 303 __be64 lh_statfs_addr; 304 __be64 lh_quota_addr; 305 __be64 lh_local_total; 306 __be64 lh_local_free; 307 __be64 lh_local_dinodes; 308 }; 309 #define GFS2_LOG_DESC_METADATA 300 310 #define GFS2_LOG_DESC_REVOKE 301 311 #define GFS2_LOG_DESC_JDATA 302 312 struct gfs2_log_descriptor { 313 struct gfs2_meta_header ld_header; 314 __be32 ld_type; 315 __be32 ld_length; 316 __be32 ld_data1; 317 __be32 ld_data2; 318 __u8 ld_reserved[32]; 319 }; 320 #define GFS2_INUM_QUANTUM 1048576 321 struct gfs2_inum_range { 322 __be64 ir_start; 323 __be64 ir_length; 324 }; 325 struct gfs2_statfs_change { 326 __be64 sc_total; 327 __be64 sc_free; 328 __be64 sc_dinodes; 329 }; 330 #define GFS2_QCF_USER 0x00000001 331 struct gfs2_quota_change { 332 __be64 qc_change; 333 __be32 qc_flags; 334 __be32 qc_id; 335 }; 336 struct gfs2_quota_lvb { 337 __be32 qb_magic; 338 __u32 __pad; 339 __be64 qb_limit; 340 __be64 qb_warn; 341 __be64 qb_value; 342 }; 343 #endif 344