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 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 #include <linux/types.h> 25 #include <linux/ioctl.h> 26 #include <linux/fs.h> 27 #define BTRFS_IOCTL_MAGIC 0x94 28 #define BTRFS_VOL_NAME_MAX 255 29 #define BTRFS_LABEL_SIZE 256 30 #define BTRFS_PATH_NAME_MAX 4087 31 struct btrfs_ioctl_vol_args { 32 __s64 fd; 33 char name[BTRFS_PATH_NAME_MAX + 1]; 34 }; 35 #define BTRFS_DEVICE_PATH_NAME_MAX 1024 36 #define BTRFS_SUBVOL_NAME_MAX 4039 37 #define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) 38 #define BTRFS_SUBVOL_RDONLY (1ULL << 1) 39 #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) 40 #define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3) 41 #define BTRFS_SUBVOL_SPEC_BY_ID (1ULL << 4) 42 #define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED (BTRFS_SUBVOL_RDONLY | BTRFS_SUBVOL_QGROUP_INHERIT | BTRFS_DEVICE_SPEC_BY_ID | BTRFS_SUBVOL_SPEC_BY_ID) 43 #define BTRFS_FSID_SIZE 16 44 #define BTRFS_UUID_SIZE 16 45 #define BTRFS_UUID_UNPARSED_SIZE 37 46 #define BTRFS_QGROUP_LIMIT_MAX_RFER (1ULL << 0) 47 #define BTRFS_QGROUP_LIMIT_MAX_EXCL (1ULL << 1) 48 #define BTRFS_QGROUP_LIMIT_RSV_RFER (1ULL << 2) 49 #define BTRFS_QGROUP_LIMIT_RSV_EXCL (1ULL << 3) 50 #define BTRFS_QGROUP_LIMIT_RFER_CMPR (1ULL << 4) 51 #define BTRFS_QGROUP_LIMIT_EXCL_CMPR (1ULL << 5) 52 struct btrfs_qgroup_limit { 53 __u64 flags; 54 __u64 max_rfer; 55 __u64 max_excl; 56 __u64 rsv_rfer; 57 __u64 rsv_excl; 58 }; 59 #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) 60 struct btrfs_qgroup_inherit { 61 __u64 flags; 62 __u64 num_qgroups; 63 __u64 num_ref_copies; 64 __u64 num_excl_copies; 65 struct btrfs_qgroup_limit lim; 66 __u64 qgroups[]; 67 }; 68 struct btrfs_ioctl_qgroup_limit_args { 69 __u64 qgroupid; 70 struct btrfs_qgroup_limit lim; 71 }; 72 #define BTRFS_DEVICE_REMOVE_ARGS_MASK (BTRFS_DEVICE_SPEC_BY_ID) 73 #define BTRFS_SUBVOL_CREATE_ARGS_MASK (BTRFS_SUBVOL_RDONLY | BTRFS_SUBVOL_QGROUP_INHERIT) 74 #define BTRFS_SUBVOL_DELETE_ARGS_MASK (BTRFS_SUBVOL_SPEC_BY_ID) 75 struct btrfs_ioctl_vol_args_v2 { 76 __s64 fd; 77 __u64 transid; 78 __u64 flags; 79 union { 80 struct { 81 __u64 size; 82 struct btrfs_qgroup_inherit * qgroup_inherit; 83 }; 84 __u64 unused[4]; 85 }; 86 union { 87 char name[BTRFS_SUBVOL_NAME_MAX + 1]; 88 __u64 devid; 89 __u64 subvolid; 90 }; 91 }; 92 struct btrfs_scrub_progress { 93 __u64 data_extents_scrubbed; 94 __u64 tree_extents_scrubbed; 95 __u64 data_bytes_scrubbed; 96 __u64 tree_bytes_scrubbed; 97 __u64 read_errors; 98 __u64 csum_errors; 99 __u64 verify_errors; 100 __u64 no_csum; 101 __u64 csum_discards; 102 __u64 super_errors; 103 __u64 malloc_errors; 104 __u64 uncorrectable_errors; 105 __u64 corrected_errors; 106 __u64 last_physical; 107 __u64 unverified_errors; 108 }; 109 #define BTRFS_SCRUB_READONLY 1 110 struct btrfs_ioctl_scrub_args { 111 __u64 devid; 112 __u64 start; 113 __u64 end; 114 __u64 flags; 115 struct btrfs_scrub_progress progress; 116 __u64 unused[(1024 - 32 - sizeof(struct btrfs_scrub_progress)) / 8]; 117 }; 118 #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0 119 #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1 120 struct btrfs_ioctl_dev_replace_start_params { 121 __u64 srcdevid; 122 __u64 cont_reading_from_srcdev_mode; 123 __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; 124 __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; 125 }; 126 #define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0 127 #define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1 128 #define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2 129 #define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3 130 #define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4 131 struct btrfs_ioctl_dev_replace_status_params { 132 __u64 replace_state; 133 __u64 progress_1000; 134 __u64 time_started; 135 __u64 time_stopped; 136 __u64 num_write_errors; 137 __u64 num_uncorrectable_read_errors; 138 }; 139 #define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0 140 #define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1 141 #define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2 142 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0 143 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1 144 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2 145 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3 146 struct btrfs_ioctl_dev_replace_args { 147 __u64 cmd; 148 __u64 result; 149 union { 150 struct btrfs_ioctl_dev_replace_start_params start; 151 struct btrfs_ioctl_dev_replace_status_params status; 152 }; 153 __u64 spare[64]; 154 }; 155 struct btrfs_ioctl_dev_info_args { 156 __u64 devid; 157 __u8 uuid[BTRFS_UUID_SIZE]; 158 __u64 bytes_used; 159 __u64 total_bytes; 160 __u64 unused[379]; 161 __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; 162 }; 163 #define BTRFS_FS_INFO_FLAG_CSUM_INFO (1 << 0) 164 #define BTRFS_FS_INFO_FLAG_GENERATION (1 << 1) 165 #define BTRFS_FS_INFO_FLAG_METADATA_UUID (1 << 2) 166 struct btrfs_ioctl_fs_info_args { 167 __u64 max_id; 168 __u64 num_devices; 169 __u8 fsid[BTRFS_FSID_SIZE]; 170 __u32 nodesize; 171 __u32 sectorsize; 172 __u32 clone_alignment; 173 __u16 csum_type; 174 __u16 csum_size; 175 __u64 flags; 176 __u64 generation; 177 __u8 metadata_uuid[BTRFS_FSID_SIZE]; 178 __u8 reserved[944]; 179 }; 180 #define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0) 181 #define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID (1ULL << 1) 182 #define BTRFS_FEATURE_COMPAT_RO_VERITY (1ULL << 2) 183 #define BTRFS_FEATURE_COMPAT_RO_BLOCK_GROUP_TREE (1ULL << 3) 184 #define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0) 185 #define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1) 186 #define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2) 187 #define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3) 188 #define BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD (1ULL << 4) 189 #define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5) 190 #define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6) 191 #define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7) 192 #define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) 193 #define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) 194 #define BTRFS_FEATURE_INCOMPAT_METADATA_UUID (1ULL << 10) 195 #define BTRFS_FEATURE_INCOMPAT_RAID1C34 (1ULL << 11) 196 #define BTRFS_FEATURE_INCOMPAT_ZONED (1ULL << 12) 197 #define BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2 (1ULL << 13) 198 struct btrfs_ioctl_feature_flags { 199 __u64 compat_flags; 200 __u64 compat_ro_flags; 201 __u64 incompat_flags; 202 }; 203 #define BTRFS_BALANCE_CTL_PAUSE 1 204 #define BTRFS_BALANCE_CTL_CANCEL 2 205 struct btrfs_balance_args { 206 __u64 profiles; 207 union { 208 __u64 usage; 209 struct { 210 __u32 usage_min; 211 __u32 usage_max; 212 }; 213 }; 214 __u64 devid; 215 __u64 pstart; 216 __u64 pend; 217 __u64 vstart; 218 __u64 vend; 219 __u64 target; 220 __u64 flags; 221 union { 222 __u64 limit; 223 struct { 224 __u32 limit_min; 225 __u32 limit_max; 226 }; 227 }; 228 __u32 stripes_min; 229 __u32 stripes_max; 230 __u64 unused[6]; 231 } __attribute__((__packed__)); 232 struct btrfs_balance_progress { 233 __u64 expected; 234 __u64 considered; 235 __u64 completed; 236 }; 237 #define BTRFS_BALANCE_DATA (1ULL << 0) 238 #define BTRFS_BALANCE_SYSTEM (1ULL << 1) 239 #define BTRFS_BALANCE_METADATA (1ULL << 2) 240 #define BTRFS_BALANCE_TYPE_MASK (BTRFS_BALANCE_DATA | BTRFS_BALANCE_SYSTEM | BTRFS_BALANCE_METADATA) 241 #define BTRFS_BALANCE_FORCE (1ULL << 3) 242 #define BTRFS_BALANCE_RESUME (1ULL << 4) 243 #define BTRFS_BALANCE_ARGS_PROFILES (1ULL << 0) 244 #define BTRFS_BALANCE_ARGS_USAGE (1ULL << 1) 245 #define BTRFS_BALANCE_ARGS_DEVID (1ULL << 2) 246 #define BTRFS_BALANCE_ARGS_DRANGE (1ULL << 3) 247 #define BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4) 248 #define BTRFS_BALANCE_ARGS_LIMIT (1ULL << 5) 249 #define BTRFS_BALANCE_ARGS_LIMIT_RANGE (1ULL << 6) 250 #define BTRFS_BALANCE_ARGS_STRIPES_RANGE (1ULL << 7) 251 #define BTRFS_BALANCE_ARGS_USAGE_RANGE (1ULL << 10) 252 #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) 253 #define BTRFS_BALANCE_ARGS_CONVERT (1ULL << 8) 254 #define BTRFS_BALANCE_ARGS_SOFT (1ULL << 9) 255 #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0) 256 #define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1) 257 #define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2) 258 struct btrfs_ioctl_balance_args { 259 __u64 flags; 260 __u64 state; 261 struct btrfs_balance_args data; 262 struct btrfs_balance_args meta; 263 struct btrfs_balance_args sys; 264 struct btrfs_balance_progress stat; 265 __u64 unused[72]; 266 }; 267 #define BTRFS_INO_LOOKUP_PATH_MAX 4080 268 struct btrfs_ioctl_ino_lookup_args { 269 __u64 treeid; 270 __u64 objectid; 271 char name[BTRFS_INO_LOOKUP_PATH_MAX]; 272 }; 273 #define BTRFS_INO_LOOKUP_USER_PATH_MAX (4080 - BTRFS_VOL_NAME_MAX - 1) 274 struct btrfs_ioctl_ino_lookup_user_args { 275 __u64 dirid; 276 __u64 treeid; 277 char name[BTRFS_VOL_NAME_MAX + 1]; 278 char path[BTRFS_INO_LOOKUP_USER_PATH_MAX]; 279 }; 280 struct btrfs_ioctl_search_key { 281 __u64 tree_id; 282 __u64 min_objectid; 283 __u64 max_objectid; 284 __u64 min_offset; 285 __u64 max_offset; 286 __u64 min_transid; 287 __u64 max_transid; 288 __u32 min_type; 289 __u32 max_type; 290 __u32 nr_items; 291 __u32 unused; 292 __u64 unused1; 293 __u64 unused2; 294 __u64 unused3; 295 __u64 unused4; 296 }; 297 struct btrfs_ioctl_search_header { 298 __u64 transid; 299 __u64 objectid; 300 __u64 offset; 301 __u32 type; 302 __u32 len; 303 } __attribute__((__may_alias__)); 304 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key)) 305 struct btrfs_ioctl_search_args { 306 struct btrfs_ioctl_search_key key; 307 char buf[BTRFS_SEARCH_ARGS_BUFSIZE]; 308 }; 309 struct btrfs_ioctl_search_args_v2 { 310 struct btrfs_ioctl_search_key key; 311 __u64 buf_size; 312 __u64 buf[]; 313 }; 314 struct btrfs_ioctl_clone_range_args { 315 __s64 src_fd; 316 __u64 src_offset, src_length; 317 __u64 dest_offset; 318 }; 319 #define BTRFS_DEFRAG_RANGE_COMPRESS 1 320 #define BTRFS_DEFRAG_RANGE_START_IO 2 321 struct btrfs_ioctl_defrag_range_args { 322 __u64 start; 323 __u64 len; 324 __u64 flags; 325 __u32 extent_thresh; 326 __u32 compress_type; 327 __u32 unused[4]; 328 }; 329 #define BTRFS_SAME_DATA_DIFFERS 1 330 struct btrfs_ioctl_same_extent_info { 331 __s64 fd; 332 __u64 logical_offset; 333 __u64 bytes_deduped; 334 __s32 status; 335 __u32 reserved; 336 }; 337 struct btrfs_ioctl_same_args { 338 __u64 logical_offset; 339 __u64 length; 340 __u16 dest_count; 341 __u16 reserved1; 342 __u32 reserved2; 343 struct btrfs_ioctl_same_extent_info info[]; 344 }; 345 struct btrfs_ioctl_space_info { 346 __u64 flags; 347 __u64 total_bytes; 348 __u64 used_bytes; 349 }; 350 struct btrfs_ioctl_space_args { 351 __u64 space_slots; 352 __u64 total_spaces; 353 struct btrfs_ioctl_space_info spaces[]; 354 }; 355 struct btrfs_data_container { 356 __u32 bytes_left; 357 __u32 bytes_missing; 358 __u32 elem_cnt; 359 __u32 elem_missed; 360 __u64 val[]; 361 }; 362 struct btrfs_ioctl_ino_path_args { 363 __u64 inum; 364 __u64 size; 365 __u64 reserved[4]; 366 __u64 fspath; 367 }; 368 struct btrfs_ioctl_logical_ino_args { 369 __u64 logical; 370 __u64 size; 371 __u64 reserved[3]; 372 __u64 flags; 373 __u64 inodes; 374 }; 375 #define BTRFS_LOGICAL_INO_ARGS_IGNORE_OFFSET (1ULL << 0) 376 enum btrfs_dev_stat_values { 377 BTRFS_DEV_STAT_WRITE_ERRS, 378 BTRFS_DEV_STAT_READ_ERRS, 379 BTRFS_DEV_STAT_FLUSH_ERRS, 380 BTRFS_DEV_STAT_CORRUPTION_ERRS, 381 BTRFS_DEV_STAT_GENERATION_ERRS, 382 BTRFS_DEV_STAT_VALUES_MAX 383 }; 384 #define BTRFS_DEV_STATS_RESET (1ULL << 0) 385 struct btrfs_ioctl_get_dev_stats { 386 __u64 devid; 387 __u64 nr_items; 388 __u64 flags; 389 __u64 values[BTRFS_DEV_STAT_VALUES_MAX]; 390 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; 391 }; 392 #define BTRFS_QUOTA_CTL_ENABLE 1 393 #define BTRFS_QUOTA_CTL_DISABLE 2 394 #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3 395 struct btrfs_ioctl_quota_ctl_args { 396 __u64 cmd; 397 __u64 status; 398 }; 399 struct btrfs_ioctl_quota_rescan_args { 400 __u64 flags; 401 __u64 progress; 402 __u64 reserved[6]; 403 }; 404 struct btrfs_ioctl_qgroup_assign_args { 405 __u64 assign; 406 __u64 src; 407 __u64 dst; 408 }; 409 struct btrfs_ioctl_qgroup_create_args { 410 __u64 create; 411 __u64 qgroupid; 412 }; 413 struct btrfs_ioctl_timespec { 414 __u64 sec; 415 __u32 nsec; 416 }; 417 struct btrfs_ioctl_received_subvol_args { 418 char uuid[BTRFS_UUID_SIZE]; 419 __u64 stransid; 420 __u64 rtransid; 421 struct btrfs_ioctl_timespec stime; 422 struct btrfs_ioctl_timespec rtime; 423 __u64 flags; 424 __u64 reserved[16]; 425 }; 426 #define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1 427 #define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2 428 #define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4 429 #define BTRFS_SEND_FLAG_VERSION 0x8 430 #define BTRFS_SEND_FLAG_COMPRESSED 0x10 431 #define BTRFS_SEND_FLAG_MASK (BTRFS_SEND_FLAG_NO_FILE_DATA | BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | BTRFS_SEND_FLAG_OMIT_END_CMD | BTRFS_SEND_FLAG_VERSION | BTRFS_SEND_FLAG_COMPRESSED) 432 struct btrfs_ioctl_send_args { 433 __s64 send_fd; 434 __u64 clone_sources_count; 435 __u64 * clone_sources; 436 __u64 parent_root; 437 __u64 flags; 438 __u32 version; 439 __u8 reserved[28]; 440 }; 441 struct btrfs_ioctl_get_subvol_info_args { 442 __u64 treeid; 443 char name[BTRFS_VOL_NAME_MAX + 1]; 444 __u64 parent_id; 445 __u64 dirid; 446 __u64 generation; 447 __u64 flags; 448 __u8 uuid[BTRFS_UUID_SIZE]; 449 __u8 parent_uuid[BTRFS_UUID_SIZE]; 450 __u8 received_uuid[BTRFS_UUID_SIZE]; 451 __u64 ctransid; 452 __u64 otransid; 453 __u64 stransid; 454 __u64 rtransid; 455 struct btrfs_ioctl_timespec ctime; 456 struct btrfs_ioctl_timespec otime; 457 struct btrfs_ioctl_timespec stime; 458 struct btrfs_ioctl_timespec rtime; 459 __u64 reserved[8]; 460 }; 461 #define BTRFS_MAX_ROOTREF_BUFFER_NUM 255 462 struct btrfs_ioctl_get_subvol_rootref_args { 463 __u64 min_treeid; 464 struct { 465 __u64 treeid; 466 __u64 dirid; 467 } rootref[BTRFS_MAX_ROOTREF_BUFFER_NUM]; 468 __u8 num_items; 469 __u8 align[7]; 470 }; 471 struct btrfs_ioctl_encoded_io_args { 472 const struct iovec * iov; 473 unsigned long iovcnt; 474 __s64 offset; 475 __u64 flags; 476 __u64 len; 477 __u64 unencoded_len; 478 __u64 unencoded_offset; 479 __u32 compression; 480 __u32 encryption; 481 __u8 reserved[64]; 482 }; 483 #define BTRFS_ENCODED_IO_COMPRESSION_NONE 0 484 #define BTRFS_ENCODED_IO_COMPRESSION_ZLIB 1 485 #define BTRFS_ENCODED_IO_COMPRESSION_ZSTD 2 486 #define BTRFS_ENCODED_IO_COMPRESSION_LZO_4K 3 487 #define BTRFS_ENCODED_IO_COMPRESSION_LZO_8K 4 488 #define BTRFS_ENCODED_IO_COMPRESSION_LZO_16K 5 489 #define BTRFS_ENCODED_IO_COMPRESSION_LZO_32K 6 490 #define BTRFS_ENCODED_IO_COMPRESSION_LZO_64K 7 491 #define BTRFS_ENCODED_IO_COMPRESSION_TYPES 8 492 #define BTRFS_ENCODED_IO_ENCRYPTION_NONE 0 493 #define BTRFS_ENCODED_IO_ENCRYPTION_TYPES 1 494 enum btrfs_err_code { 495 BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1, 496 BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET, 497 BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET, 498 BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET, 499 BTRFS_ERROR_DEV_TGT_REPLACE, 500 BTRFS_ERROR_DEV_MISSING_NOT_FOUND, 501 BTRFS_ERROR_DEV_ONLY_WRITABLE, 502 BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS, 503 BTRFS_ERROR_DEV_RAID1C3_MIN_NOT_MET, 504 BTRFS_ERROR_DEV_RAID1C4_MIN_NOT_MET, 505 }; 506 #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, struct btrfs_ioctl_vol_args) 507 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, struct btrfs_ioctl_vol_args) 508 #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, struct btrfs_ioctl_vol_args) 509 #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, struct btrfs_ioctl_vol_args) 510 #define BTRFS_IOC_FORGET_DEV _IOW(BTRFS_IOCTL_MAGIC, 5, struct btrfs_ioctl_vol_args) 511 #define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6) 512 #define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7) 513 #define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8) 514 #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int) 515 #define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, struct btrfs_ioctl_vol_args) 516 #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, struct btrfs_ioctl_vol_args) 517 #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, struct btrfs_ioctl_vol_args) 518 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, struct btrfs_ioctl_clone_range_args) 519 #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, struct btrfs_ioctl_vol_args) 520 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, struct btrfs_ioctl_vol_args) 521 #define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, struct btrfs_ioctl_defrag_range_args) 522 #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, struct btrfs_ioctl_search_args) 523 #define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, struct btrfs_ioctl_search_args_v2) 524 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, struct btrfs_ioctl_ino_lookup_args) 525 #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64) 526 #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, struct btrfs_ioctl_space_args) 527 #define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64) 528 #define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64) 529 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, struct btrfs_ioctl_vol_args_v2) 530 #define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, struct btrfs_ioctl_vol_args_v2) 531 #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64) 532 #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64) 533 #define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, struct btrfs_ioctl_scrub_args) 534 #define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28) 535 #define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, struct btrfs_ioctl_scrub_args) 536 #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, struct btrfs_ioctl_dev_info_args) 537 #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, struct btrfs_ioctl_fs_info_args) 538 #define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, struct btrfs_ioctl_balance_args) 539 #define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int) 540 #define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, struct btrfs_ioctl_balance_args) 541 #define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, struct btrfs_ioctl_ino_path_args) 542 #define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, struct btrfs_ioctl_logical_ino_args) 543 #define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, struct btrfs_ioctl_received_subvol_args) 544 #define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args) 545 #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, struct btrfs_ioctl_vol_args) 546 #define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, struct btrfs_ioctl_quota_ctl_args) 547 #define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, struct btrfs_ioctl_qgroup_assign_args) 548 #define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, struct btrfs_ioctl_qgroup_create_args) 549 #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, struct btrfs_ioctl_qgroup_limit_args) 550 #define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, struct btrfs_ioctl_quota_rescan_args) 551 #define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, struct btrfs_ioctl_quota_rescan_args) 552 #define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46) 553 #define BTRFS_IOC_GET_FSLABEL FS_IOC_GETFSLABEL 554 #define BTRFS_IOC_SET_FSLABEL FS_IOC_SETFSLABEL 555 #define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, struct btrfs_ioctl_get_dev_stats) 556 #define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, struct btrfs_ioctl_dev_replace_args) 557 #define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, struct btrfs_ioctl_same_args) 558 #define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, struct btrfs_ioctl_feature_flags) 559 #define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, struct btrfs_ioctl_feature_flags[2]) 560 #define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, struct btrfs_ioctl_feature_flags[3]) 561 #define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, struct btrfs_ioctl_vol_args_v2) 562 #define BTRFS_IOC_LOGICAL_INO_V2 _IOWR(BTRFS_IOCTL_MAGIC, 59, struct btrfs_ioctl_logical_ino_args) 563 #define BTRFS_IOC_GET_SUBVOL_INFO _IOR(BTRFS_IOCTL_MAGIC, 60, struct btrfs_ioctl_get_subvol_info_args) 564 #define BTRFS_IOC_GET_SUBVOL_ROOTREF _IOWR(BTRFS_IOCTL_MAGIC, 61, struct btrfs_ioctl_get_subvol_rootref_args) 565 #define BTRFS_IOC_INO_LOOKUP_USER _IOWR(BTRFS_IOCTL_MAGIC, 62, struct btrfs_ioctl_ino_lookup_user_args) 566 #define BTRFS_IOC_SNAP_DESTROY_V2 _IOW(BTRFS_IOCTL_MAGIC, 63, struct btrfs_ioctl_vol_args_v2) 567 #define BTRFS_IOC_ENCODED_READ _IOR(BTRFS_IOCTL_MAGIC, 64, struct btrfs_ioctl_encoded_io_args) 568 #define BTRFS_IOC_ENCODED_WRITE _IOW(BTRFS_IOCTL_MAGIC, 64, struct btrfs_ioctl_encoded_io_args) 569 #ifdef __cplusplus 570 } 571 #endif 572 #endif 573