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 _UAPI_LINUX_BTRFS_H 20 #define _UAPI_LINUX_BTRFS_H 21 #include <linux/types.h> 22 #include <linux/ioctl.h> 23 #define BTRFS_IOCTL_MAGIC 0x94 24 #define BTRFS_VOL_NAME_MAX 255 25 #define BTRFS_LABEL_SIZE 256 26 #define BTRFS_PATH_NAME_MAX 4087 27 struct btrfs_ioctl_vol_args { 28 __s64 fd; 29 char name[BTRFS_PATH_NAME_MAX + 1]; 30 }; 31 #define BTRFS_DEVICE_PATH_NAME_MAX 1024 32 #define BTRFS_SUBVOL_NAME_MAX 4039 33 #define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) 34 #define BTRFS_SUBVOL_RDONLY (1ULL << 1) 35 #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) 36 #define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3) 37 #define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED (BTRFS_SUBVOL_CREATE_ASYNC | BTRFS_SUBVOL_RDONLY | BTRFS_SUBVOL_QGROUP_INHERIT | BTRFS_DEVICE_SPEC_BY_ID) 38 #define BTRFS_FSID_SIZE 16 39 #define BTRFS_UUID_SIZE 16 40 #define BTRFS_UUID_UNPARSED_SIZE 37 41 #define BTRFS_QGROUP_LIMIT_MAX_RFER (1ULL << 0) 42 #define BTRFS_QGROUP_LIMIT_MAX_EXCL (1ULL << 1) 43 #define BTRFS_QGROUP_LIMIT_RSV_RFER (1ULL << 2) 44 #define BTRFS_QGROUP_LIMIT_RSV_EXCL (1ULL << 3) 45 #define BTRFS_QGROUP_LIMIT_RFER_CMPR (1ULL << 4) 46 #define BTRFS_QGROUP_LIMIT_EXCL_CMPR (1ULL << 5) 47 struct btrfs_qgroup_limit { 48 __u64 flags; 49 __u64 max_rfer; 50 __u64 max_excl; 51 __u64 rsv_rfer; 52 __u64 rsv_excl; 53 }; 54 #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) 55 struct btrfs_qgroup_inherit { 56 __u64 flags; 57 __u64 num_qgroups; 58 __u64 num_ref_copies; 59 __u64 num_excl_copies; 60 struct btrfs_qgroup_limit lim; 61 __u64 qgroups[0]; 62 }; 63 struct btrfs_ioctl_qgroup_limit_args { 64 __u64 qgroupid; 65 struct btrfs_qgroup_limit lim; 66 }; 67 struct btrfs_ioctl_vol_args_v2 { 68 __s64 fd; 69 __u64 transid; 70 __u64 flags; 71 union { 72 struct { 73 __u64 size; 74 struct btrfs_qgroup_inherit __user * qgroup_inherit; 75 }; 76 __u64 unused[4]; 77 }; 78 union { 79 char name[BTRFS_SUBVOL_NAME_MAX + 1]; 80 __u64 devid; 81 }; 82 }; 83 struct btrfs_scrub_progress { 84 __u64 data_extents_scrubbed; 85 __u64 tree_extents_scrubbed; 86 __u64 data_bytes_scrubbed; 87 __u64 tree_bytes_scrubbed; 88 __u64 read_errors; 89 __u64 csum_errors; 90 __u64 verify_errors; 91 __u64 no_csum; 92 __u64 csum_discards; 93 __u64 super_errors; 94 __u64 malloc_errors; 95 __u64 uncorrectable_errors; 96 __u64 corrected_errors; 97 __u64 last_physical; 98 __u64 unverified_errors; 99 }; 100 #define BTRFS_SCRUB_READONLY 1 101 struct btrfs_ioctl_scrub_args { 102 __u64 devid; 103 __u64 start; 104 __u64 end; 105 __u64 flags; 106 struct btrfs_scrub_progress progress; 107 __u64 unused[(1024 - 32 - sizeof(struct btrfs_scrub_progress)) / 8]; 108 }; 109 #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0 110 #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1 111 struct btrfs_ioctl_dev_replace_start_params { 112 __u64 srcdevid; 113 __u64 cont_reading_from_srcdev_mode; 114 __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; 115 __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; 116 }; 117 #define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0 118 #define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1 119 #define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2 120 #define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3 121 #define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4 122 struct btrfs_ioctl_dev_replace_status_params { 123 __u64 replace_state; 124 __u64 progress_1000; 125 __u64 time_started; 126 __u64 time_stopped; 127 __u64 num_write_errors; 128 __u64 num_uncorrectable_read_errors; 129 }; 130 #define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0 131 #define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1 132 #define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2 133 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0 134 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1 135 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2 136 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3 137 struct btrfs_ioctl_dev_replace_args { 138 __u64 cmd; 139 __u64 result; 140 union { 141 struct btrfs_ioctl_dev_replace_start_params start; 142 struct btrfs_ioctl_dev_replace_status_params status; 143 }; 144 __u64 spare[64]; 145 }; 146 struct btrfs_ioctl_dev_info_args { 147 __u64 devid; 148 __u8 uuid[BTRFS_UUID_SIZE]; 149 __u64 bytes_used; 150 __u64 total_bytes; 151 __u64 unused[379]; 152 __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; 153 }; 154 struct btrfs_ioctl_fs_info_args { 155 __u64 max_id; 156 __u64 num_devices; 157 __u8 fsid[BTRFS_FSID_SIZE]; 158 __u32 nodesize; 159 __u32 sectorsize; 160 __u32 clone_alignment; 161 __u32 reserved32; 162 __u64 reserved[122]; 163 }; 164 #define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0) 165 #define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID (1ULL << 1) 166 #define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0) 167 #define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1) 168 #define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2) 169 #define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3) 170 #define BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD (1ULL << 4) 171 #define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5) 172 #define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6) 173 #define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7) 174 #define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) 175 #define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) 176 #define BTRFS_FEATURE_INCOMPAT_METADATA_UUID (1ULL << 10) 177 struct btrfs_ioctl_feature_flags { 178 __u64 compat_flags; 179 __u64 compat_ro_flags; 180 __u64 incompat_flags; 181 }; 182 #define BTRFS_BALANCE_CTL_PAUSE 1 183 #define BTRFS_BALANCE_CTL_CANCEL 2 184 struct btrfs_balance_args { 185 __u64 profiles; 186 union { 187 __u64 usage; 188 struct { 189 __u32 usage_min; 190 __u32 usage_max; 191 }; 192 }; 193 __u64 devid; 194 __u64 pstart; 195 __u64 pend; 196 __u64 vstart; 197 __u64 vend; 198 __u64 target; 199 __u64 flags; 200 union { 201 __u64 limit; 202 struct { 203 __u32 limit_min; 204 __u32 limit_max; 205 }; 206 }; 207 __u32 stripes_min; 208 __u32 stripes_max; 209 __u64 unused[6]; 210 } __attribute__((__packed__)); 211 struct btrfs_balance_progress { 212 __u64 expected; 213 __u64 considered; 214 __u64 completed; 215 }; 216 #define BTRFS_BALANCE_DATA (1ULL << 0) 217 #define BTRFS_BALANCE_SYSTEM (1ULL << 1) 218 #define BTRFS_BALANCE_METADATA (1ULL << 2) 219 #define BTRFS_BALANCE_TYPE_MASK (BTRFS_BALANCE_DATA | BTRFS_BALANCE_SYSTEM | BTRFS_BALANCE_METADATA) 220 #define BTRFS_BALANCE_FORCE (1ULL << 3) 221 #define BTRFS_BALANCE_RESUME (1ULL << 4) 222 #define BTRFS_BALANCE_ARGS_PROFILES (1ULL << 0) 223 #define BTRFS_BALANCE_ARGS_USAGE (1ULL << 1) 224 #define BTRFS_BALANCE_ARGS_DEVID (1ULL << 2) 225 #define BTRFS_BALANCE_ARGS_DRANGE (1ULL << 3) 226 #define BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4) 227 #define BTRFS_BALANCE_ARGS_LIMIT (1ULL << 5) 228 #define BTRFS_BALANCE_ARGS_LIMIT_RANGE (1ULL << 6) 229 #define BTRFS_BALANCE_ARGS_STRIPES_RANGE (1ULL << 7) 230 #define BTRFS_BALANCE_ARGS_USAGE_RANGE (1ULL << 10) 231 #define BTRFS_BALANCE_ARGS_MASK (BTRFS_BALANCE_ARGS_PROFILES | BTRFS_BALANCE_ARGS_USAGE | BTRFS_BALANCE_ARGS_DEVID | BTRFS_BALANCE_ARGS_DRANGE | BTRFS_BALANCE_ARGS_VRANGE | BTRFS_BALANCE_ARGS_LIMIT | BTRFS_BALANCE_ARGS_LIMIT_RANGE | BTRFS_BALANCE_ARGS_STRIPES_RANGE | BTRFS_BALANCE_ARGS_USAGE_RANGE) 232 #define BTRFS_BALANCE_ARGS_CONVERT (1ULL << 8) 233 #define BTRFS_BALANCE_ARGS_SOFT (1ULL << 9) 234 #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0) 235 #define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1) 236 #define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2) 237 struct btrfs_ioctl_balance_args { 238 __u64 flags; 239 __u64 state; 240 struct btrfs_balance_args data; 241 struct btrfs_balance_args meta; 242 struct btrfs_balance_args sys; 243 struct btrfs_balance_progress stat; 244 __u64 unused[72]; 245 }; 246 #define BTRFS_INO_LOOKUP_PATH_MAX 4080 247 struct btrfs_ioctl_ino_lookup_args { 248 __u64 treeid; 249 __u64 objectid; 250 char name[BTRFS_INO_LOOKUP_PATH_MAX]; 251 }; 252 #define BTRFS_INO_LOOKUP_USER_PATH_MAX (4080 - BTRFS_VOL_NAME_MAX - 1) 253 struct btrfs_ioctl_ino_lookup_user_args { 254 __u64 dirid; 255 __u64 treeid; 256 char name[BTRFS_VOL_NAME_MAX + 1]; 257 char path[BTRFS_INO_LOOKUP_USER_PATH_MAX]; 258 }; 259 struct btrfs_ioctl_search_key { 260 __u64 tree_id; 261 __u64 min_objectid; 262 __u64 max_objectid; 263 __u64 min_offset; 264 __u64 max_offset; 265 __u64 min_transid; 266 __u64 max_transid; 267 __u32 min_type; 268 __u32 max_type; 269 __u32 nr_items; 270 __u32 unused; 271 __u64 unused1; 272 __u64 unused2; 273 __u64 unused3; 274 __u64 unused4; 275 }; 276 struct btrfs_ioctl_search_header { 277 __u64 transid; 278 __u64 objectid; 279 __u64 offset; 280 __u32 type; 281 __u32 len; 282 }; 283 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key)) 284 struct btrfs_ioctl_search_args { 285 struct btrfs_ioctl_search_key key; 286 char buf[BTRFS_SEARCH_ARGS_BUFSIZE]; 287 }; 288 struct btrfs_ioctl_search_args_v2 { 289 struct btrfs_ioctl_search_key key; 290 __u64 buf_size; 291 __u64 buf[0]; 292 }; 293 struct btrfs_ioctl_clone_range_args { 294 __s64 src_fd; 295 __u64 src_offset, src_length; 296 __u64 dest_offset; 297 }; 298 #define BTRFS_DEFRAG_RANGE_COMPRESS 1 299 #define BTRFS_DEFRAG_RANGE_START_IO 2 300 struct btrfs_ioctl_defrag_range_args { 301 __u64 start; 302 __u64 len; 303 __u64 flags; 304 __u32 extent_thresh; 305 __u32 compress_type; 306 __u32 unused[4]; 307 }; 308 #define BTRFS_SAME_DATA_DIFFERS 1 309 struct btrfs_ioctl_same_extent_info { 310 __s64 fd; 311 __u64 logical_offset; 312 __u64 bytes_deduped; 313 __s32 status; 314 __u32 reserved; 315 }; 316 struct btrfs_ioctl_same_args { 317 __u64 logical_offset; 318 __u64 length; 319 __u16 dest_count; 320 __u16 reserved1; 321 __u32 reserved2; 322 struct btrfs_ioctl_same_extent_info info[0]; 323 }; 324 struct btrfs_ioctl_space_info { 325 __u64 flags; 326 __u64 total_bytes; 327 __u64 used_bytes; 328 }; 329 struct btrfs_ioctl_space_args { 330 __u64 space_slots; 331 __u64 total_spaces; 332 struct btrfs_ioctl_space_info spaces[0]; 333 }; 334 struct btrfs_data_container { 335 __u32 bytes_left; 336 __u32 bytes_missing; 337 __u32 elem_cnt; 338 __u32 elem_missed; 339 __u64 val[0]; 340 }; 341 struct btrfs_ioctl_ino_path_args { 342 __u64 inum; 343 __u64 size; 344 __u64 reserved[4]; 345 __u64 fspath; 346 }; 347 struct btrfs_ioctl_logical_ino_args { 348 __u64 logical; 349 __u64 size; 350 __u64 reserved[3]; 351 __u64 flags; 352 __u64 inodes; 353 }; 354 #define BTRFS_LOGICAL_INO_ARGS_IGNORE_OFFSET (1ULL << 0) 355 enum btrfs_dev_stat_values { 356 BTRFS_DEV_STAT_WRITE_ERRS, 357 BTRFS_DEV_STAT_READ_ERRS, 358 BTRFS_DEV_STAT_FLUSH_ERRS, 359 BTRFS_DEV_STAT_CORRUPTION_ERRS, 360 BTRFS_DEV_STAT_GENERATION_ERRS, 361 BTRFS_DEV_STAT_VALUES_MAX 362 }; 363 #define BTRFS_DEV_STATS_RESET (1ULL << 0) 364 struct btrfs_ioctl_get_dev_stats { 365 __u64 devid; 366 __u64 nr_items; 367 __u64 flags; 368 __u64 values[BTRFS_DEV_STAT_VALUES_MAX]; 369 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; 370 }; 371 #define BTRFS_QUOTA_CTL_ENABLE 1 372 #define BTRFS_QUOTA_CTL_DISABLE 2 373 #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3 374 struct btrfs_ioctl_quota_ctl_args { 375 __u64 cmd; 376 __u64 status; 377 }; 378 struct btrfs_ioctl_quota_rescan_args { 379 __u64 flags; 380 __u64 progress; 381 __u64 reserved[6]; 382 }; 383 struct btrfs_ioctl_qgroup_assign_args { 384 __u64 assign; 385 __u64 src; 386 __u64 dst; 387 }; 388 struct btrfs_ioctl_qgroup_create_args { 389 __u64 create; 390 __u64 qgroupid; 391 }; 392 struct btrfs_ioctl_timespec { 393 __u64 sec; 394 __u32 nsec; 395 }; 396 struct btrfs_ioctl_received_subvol_args { 397 char uuid[BTRFS_UUID_SIZE]; 398 __u64 stransid; 399 __u64 rtransid; 400 struct btrfs_ioctl_timespec stime; 401 struct btrfs_ioctl_timespec rtime; 402 __u64 flags; 403 __u64 reserved[16]; 404 }; 405 #define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1 406 #define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2 407 #define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4 408 #define BTRFS_SEND_FLAG_MASK (BTRFS_SEND_FLAG_NO_FILE_DATA | BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | BTRFS_SEND_FLAG_OMIT_END_CMD) 409 struct btrfs_ioctl_send_args { 410 __s64 send_fd; 411 __u64 clone_sources_count; 412 __u64 __user * clone_sources; 413 __u64 parent_root; 414 __u64 flags; 415 __u64 reserved[4]; 416 }; 417 struct btrfs_ioctl_get_subvol_info_args { 418 __u64 treeid; 419 char name[BTRFS_VOL_NAME_MAX + 1]; 420 __u64 parent_id; 421 __u64 dirid; 422 __u64 generation; 423 __u64 flags; 424 __u8 uuid[BTRFS_UUID_SIZE]; 425 __u8 parent_uuid[BTRFS_UUID_SIZE]; 426 __u8 received_uuid[BTRFS_UUID_SIZE]; 427 __u64 ctransid; 428 __u64 otransid; 429 __u64 stransid; 430 __u64 rtransid; 431 struct btrfs_ioctl_timespec ctime; 432 struct btrfs_ioctl_timespec otime; 433 struct btrfs_ioctl_timespec stime; 434 struct btrfs_ioctl_timespec rtime; 435 __u64 reserved[8]; 436 }; 437 #define BTRFS_MAX_ROOTREF_BUFFER_NUM 255 438 struct btrfs_ioctl_get_subvol_rootref_args { 439 __u64 min_treeid; 440 struct { 441 __u64 treeid; 442 __u64 dirid; 443 } rootref[BTRFS_MAX_ROOTREF_BUFFER_NUM]; 444 __u8 num_items; 445 __u8 align[7]; 446 }; 447 enum btrfs_err_code { 448 BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1, 449 BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET, 450 BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET, 451 BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET, 452 BTRFS_ERROR_DEV_TGT_REPLACE, 453 BTRFS_ERROR_DEV_MISSING_NOT_FOUND, 454 BTRFS_ERROR_DEV_ONLY_WRITABLE, 455 BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS 456 }; 457 #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, struct btrfs_ioctl_vol_args) 458 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, struct btrfs_ioctl_vol_args) 459 #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, struct btrfs_ioctl_vol_args) 460 #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, struct btrfs_ioctl_vol_args) 461 #define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6) 462 #define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7) 463 #define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8) 464 #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int) 465 #define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, struct btrfs_ioctl_vol_args) 466 #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, struct btrfs_ioctl_vol_args) 467 #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, struct btrfs_ioctl_vol_args) 468 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, struct btrfs_ioctl_clone_range_args) 469 #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, struct btrfs_ioctl_vol_args) 470 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, struct btrfs_ioctl_vol_args) 471 #define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, struct btrfs_ioctl_defrag_range_args) 472 #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, struct btrfs_ioctl_search_args) 473 #define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, struct btrfs_ioctl_search_args_v2) 474 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, struct btrfs_ioctl_ino_lookup_args) 475 #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64) 476 #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, struct btrfs_ioctl_space_args) 477 #define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64) 478 #define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64) 479 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, struct btrfs_ioctl_vol_args_v2) 480 #define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, struct btrfs_ioctl_vol_args_v2) 481 #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64) 482 #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64) 483 #define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, struct btrfs_ioctl_scrub_args) 484 #define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28) 485 #define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, struct btrfs_ioctl_scrub_args) 486 #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, struct btrfs_ioctl_dev_info_args) 487 #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, struct btrfs_ioctl_fs_info_args) 488 #define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, struct btrfs_ioctl_balance_args) 489 #define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int) 490 #define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, struct btrfs_ioctl_balance_args) 491 #define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, struct btrfs_ioctl_ino_path_args) 492 #define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, struct btrfs_ioctl_logical_ino_args) 493 #define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, struct btrfs_ioctl_received_subvol_args) 494 #define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args) 495 #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, struct btrfs_ioctl_vol_args) 496 #define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, struct btrfs_ioctl_quota_ctl_args) 497 #define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, struct btrfs_ioctl_qgroup_assign_args) 498 #define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, struct btrfs_ioctl_qgroup_create_args) 499 #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, struct btrfs_ioctl_qgroup_limit_args) 500 #define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, struct btrfs_ioctl_quota_rescan_args) 501 #define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, struct btrfs_ioctl_quota_rescan_args) 502 #define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46) 503 #define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, char[BTRFS_LABEL_SIZE]) 504 #define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, char[BTRFS_LABEL_SIZE]) 505 #define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, struct btrfs_ioctl_get_dev_stats) 506 #define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, struct btrfs_ioctl_dev_replace_args) 507 #define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, struct btrfs_ioctl_same_args) 508 #define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, struct btrfs_ioctl_feature_flags) 509 #define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, struct btrfs_ioctl_feature_flags[2]) 510 #define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, struct btrfs_ioctl_feature_flags[3]) 511 #define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, struct btrfs_ioctl_vol_args_v2) 512 #define BTRFS_IOC_LOGICAL_INO_V2 _IOWR(BTRFS_IOCTL_MAGIC, 59, struct btrfs_ioctl_logical_ino_args) 513 #define BTRFS_IOC_GET_SUBVOL_INFO _IOR(BTRFS_IOCTL_MAGIC, 60, struct btrfs_ioctl_get_subvol_info_args) 514 #define BTRFS_IOC_GET_SUBVOL_ROOTREF _IOWR(BTRFS_IOCTL_MAGIC, 61, struct btrfs_ioctl_get_subvol_rootref_args) 515 #define BTRFS_IOC_INO_LOOKUP_USER _IOWR(BTRFS_IOCTL_MAGIC, 62, struct btrfs_ioctl_ino_lookup_user_args) 516 #endif 517
