1 /* 2 * Copyright (C) 2007 Oracle. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public 6 * License v2 as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 11 * General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public 14 * License along with this program; if not, write to the 15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 16 * Boston, MA 021110-1307, USA. 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 24 #define BTRFS_IOCTL_MAGIC 0x94 25 #define BTRFS_VOL_NAME_MAX 255 26 27 /* this should be 4k */ 28 #define BTRFS_PATH_NAME_MAX 4087 29 struct btrfs_ioctl_vol_args { 30 __s64 fd; 31 char name[BTRFS_PATH_NAME_MAX + 1]; 32 }; 33 34 #define BTRFS_DEVICE_PATH_NAME_MAX 1024 35 36 #define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) 37 #define BTRFS_SUBVOL_RDONLY (1ULL << 1) 38 #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) 39 #define BTRFS_FSID_SIZE 16 40 #define BTRFS_UUID_SIZE 16 41 #define BTRFS_UUID_UNPARSED_SIZE 37 42 43 #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) 44 45 struct btrfs_qgroup_limit { 46 __u64 flags; 47 __u64 max_rfer; 48 __u64 max_excl; 49 __u64 rsv_rfer; 50 __u64 rsv_excl; 51 }; 52 53 struct btrfs_qgroup_inherit { 54 __u64 flags; 55 __u64 num_qgroups; 56 __u64 num_ref_copies; 57 __u64 num_excl_copies; 58 struct btrfs_qgroup_limit lim; 59 __u64 qgroups[0]; 60 }; 61 62 struct btrfs_ioctl_qgroup_limit_args { 63 __u64 qgroupid; 64 struct btrfs_qgroup_limit lim; 65 }; 66 67 #define BTRFS_SUBVOL_NAME_MAX 4039 68 struct btrfs_ioctl_vol_args_v2 { 69 __s64 fd; 70 __u64 transid; 71 __u64 flags; 72 union { 73 struct { 74 __u64 size; 75 struct btrfs_qgroup_inherit __user *qgroup_inherit; 76 }; 77 __u64 unused[4]; 78 }; 79 char name[BTRFS_SUBVOL_NAME_MAX + 1]; 80 }; 81 82 /* 83 * structure to report errors and progress to userspace, either as a 84 * result of a finished scrub, a canceled scrub or a progress inquiry 85 */ 86 struct btrfs_scrub_progress { 87 __u64 data_extents_scrubbed; /* # of data extents scrubbed */ 88 __u64 tree_extents_scrubbed; /* # of tree extents scrubbed */ 89 __u64 data_bytes_scrubbed; /* # of data bytes scrubbed */ 90 __u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */ 91 __u64 read_errors; /* # of read errors encountered (EIO) */ 92 __u64 csum_errors; /* # of failed csum checks */ 93 __u64 verify_errors; /* # of occurences, where the metadata 94 * of a tree block did not match the 95 * expected values, like generation or 96 * logical */ 97 __u64 no_csum; /* # of 4k data block for which no csum 98 * is present, probably the result of 99 * data written with nodatasum */ 100 __u64 csum_discards; /* # of csum for which no data was found 101 * in the extent tree. */ 102 __u64 super_errors; /* # of bad super blocks encountered */ 103 __u64 malloc_errors; /* # of internal kmalloc errors. These 104 * will likely cause an incomplete 105 * scrub */ 106 __u64 uncorrectable_errors; /* # of errors where either no intact 107 * copy was found or the writeback 108 * failed */ 109 __u64 corrected_errors; /* # of errors corrected */ 110 __u64 last_physical; /* last physical address scrubbed. In 111 * case a scrub was aborted, this can 112 * be used to restart the scrub */ 113 __u64 unverified_errors; /* # of occurences where a read for a 114 * full (64k) bio failed, but the re- 115 * check succeeded for each 4k piece. 116 * Intermittent error. */ 117 }; 118 119 #define BTRFS_SCRUB_READONLY 1 120 struct btrfs_ioctl_scrub_args { 121 __u64 devid; /* in */ 122 __u64 start; /* in */ 123 __u64 end; /* in */ 124 __u64 flags; /* in */ 125 struct btrfs_scrub_progress progress; /* out */ 126 /* pad to 1k */ 127 __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8]; 128 }; 129 130 #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0 131 #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1 132 struct btrfs_ioctl_dev_replace_start_params { 133 __u64 srcdevid; /* in, if 0, use srcdev_name instead */ 134 __u64 cont_reading_from_srcdev_mode; /* in, see #define 135 * above */ 136 __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */ 137 __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */ 138 }; 139 140 #define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0 141 #define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1 142 #define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2 143 #define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3 144 #define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4 145 struct btrfs_ioctl_dev_replace_status_params { 146 __u64 replace_state; /* out, see #define above */ 147 __u64 progress_1000; /* out, 0 <= x <= 1000 */ 148 __u64 time_started; /* out, seconds since 1-Jan-1970 */ 149 __u64 time_stopped; /* out, seconds since 1-Jan-1970 */ 150 __u64 num_write_errors; /* out */ 151 __u64 num_uncorrectable_read_errors; /* out */ 152 }; 153 154 #define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0 155 #define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1 156 #define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2 157 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0 158 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1 159 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2 160 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3 161 struct btrfs_ioctl_dev_replace_args { 162 __u64 cmd; /* in */ 163 __u64 result; /* out */ 164 165 union { 166 struct btrfs_ioctl_dev_replace_start_params start; 167 struct btrfs_ioctl_dev_replace_status_params status; 168 }; /* in/out */ 169 170 __u64 spare[64]; 171 }; 172 173 struct btrfs_ioctl_dev_info_args { 174 __u64 devid; /* in/out */ 175 __u8 uuid[BTRFS_UUID_SIZE]; /* in/out */ 176 __u64 bytes_used; /* out */ 177 __u64 total_bytes; /* out */ 178 __u64 unused[379]; /* pad to 4k */ 179 __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */ 180 }; 181 182 struct btrfs_ioctl_fs_info_args { 183 __u64 max_id; /* out */ 184 __u64 num_devices; /* out */ 185 __u8 fsid[BTRFS_FSID_SIZE]; /* out */ 186 __u32 nodesize; /* out */ 187 __u32 sectorsize; /* out */ 188 __u32 clone_alignment; /* out */ 189 __u32 reserved32; 190 __u64 reserved[122]; /* pad to 1k */ 191 }; 192 193 struct btrfs_ioctl_feature_flags { 194 __u64 compat_flags; 195 __u64 compat_ro_flags; 196 __u64 incompat_flags; 197 }; 198 199 /* balance control ioctl modes */ 200 #define BTRFS_BALANCE_CTL_PAUSE 1 201 #define BTRFS_BALANCE_CTL_CANCEL 2 202 203 /* 204 * this is packed, because it should be exactly the same as its disk 205 * byte order counterpart (struct btrfs_disk_balance_args) 206 */ 207 struct btrfs_balance_args { 208 __u64 profiles; 209 union { 210 __le64 usage; 211 struct { 212 __le32 usage_min; 213 __le32 usage_max; 214 }; 215 }; 216 __u64 devid; 217 __u64 pstart; 218 __u64 pend; 219 __u64 vstart; 220 __u64 vend; 221 222 __u64 target; 223 224 __u64 flags; 225 226 /* 227 * BTRFS_BALANCE_ARGS_LIMIT with value 'limit' 228 * BTRFS_BALANCE_ARGS_LIMIT_RANGE - the extend version can use minimum 229 * and maximum 230 */ 231 union { 232 __u64 limit; /* limit number of processed chunks */ 233 struct { 234 __u32 limit_min; 235 __u32 limit_max; 236 }; 237 }; 238 239 /* 240 * Process chunks that cross stripes_min..stripes_max devices, 241 * BTRFS_BALANCE_ARGS_STRIPES_RANGE 242 */ 243 __le32 stripes_min; 244 __le32 stripes_max; 245 246 __u64 unused[6]; 247 } __attribute__ ((__packed__)); 248 249 /* report balance progress to userspace */ 250 struct btrfs_balance_progress { 251 __u64 expected; /* estimated # of chunks that will be 252 * relocated to fulfill the request */ 253 __u64 considered; /* # of chunks we have considered so far */ 254 __u64 completed; /* # of chunks relocated so far */ 255 }; 256 257 #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0) 258 #define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1) 259 #define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2) 260 261 struct btrfs_ioctl_balance_args { 262 __u64 flags; /* in/out */ 263 __u64 state; /* out */ 264 265 struct btrfs_balance_args data; /* in/out */ 266 struct btrfs_balance_args meta; /* in/out */ 267 struct btrfs_balance_args sys; /* in/out */ 268 269 struct btrfs_balance_progress stat; /* out */ 270 271 __u64 unused[72]; /* pad to 1k */ 272 }; 273 274 #define BTRFS_INO_LOOKUP_PATH_MAX 4080 275 struct btrfs_ioctl_ino_lookup_args { 276 __u64 treeid; 277 __u64 objectid; 278 char name[BTRFS_INO_LOOKUP_PATH_MAX]; 279 }; 280 281 struct btrfs_ioctl_search_key { 282 /* which root are we searching. 0 is the tree of tree roots */ 283 __u64 tree_id; 284 285 /* keys returned will be >= min and <= max */ 286 __u64 min_objectid; 287 __u64 max_objectid; 288 289 /* keys returned will be >= min and <= max */ 290 __u64 min_offset; 291 __u64 max_offset; 292 293 /* max and min transids to search for */ 294 __u64 min_transid; 295 __u64 max_transid; 296 297 /* keys returned will be >= min and <= max */ 298 __u32 min_type; 299 __u32 max_type; 300 301 /* 302 * how many items did userland ask for, and how many are we 303 * returning 304 */ 305 __u32 nr_items; 306 307 /* align to 64 bits */ 308 __u32 unused; 309 310 /* some extra for later */ 311 __u64 unused1; 312 __u64 unused2; 313 __u64 unused3; 314 __u64 unused4; 315 }; 316 317 struct btrfs_ioctl_search_header { 318 __u64 transid; 319 __u64 objectid; 320 __u64 offset; 321 __u32 type; 322 __u32 len; 323 }; 324 325 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key)) 326 /* 327 * the buf is an array of search headers where 328 * each header is followed by the actual item 329 * the type field is expanded to 32 bits for alignment 330 */ 331 struct btrfs_ioctl_search_args { 332 struct btrfs_ioctl_search_key key; 333 char buf[BTRFS_SEARCH_ARGS_BUFSIZE]; 334 }; 335 336 struct btrfs_ioctl_search_args_v2 { 337 struct btrfs_ioctl_search_key key; /* in/out - search parameters */ 338 __u64 buf_size; /* in - size of buffer 339 * out - on EOVERFLOW: needed size 340 * to store item */ 341 __u64 buf[0]; /* out - found items */ 342 }; 343 344 struct btrfs_ioctl_clone_range_args { 345 __s64 src_fd; 346 __u64 src_offset, src_length; 347 __u64 dest_offset; 348 }; 349 350 /* flags for the defrag range ioctl */ 351 #define BTRFS_DEFRAG_RANGE_COMPRESS 1 352 #define BTRFS_DEFRAG_RANGE_START_IO 2 353 354 #define BTRFS_SAME_DATA_DIFFERS 1 355 /* For extent-same ioctl */ 356 struct btrfs_ioctl_same_extent_info { 357 __s64 fd; /* in - destination file */ 358 __u64 logical_offset; /* in - start of extent in destination */ 359 __u64 bytes_deduped; /* out - total # of bytes we were able 360 * to dedupe from this file */ 361 /* status of this dedupe operation: 362 * 0 if dedup succeeds 363 * < 0 for error 364 * == BTRFS_SAME_DATA_DIFFERS if data differs 365 */ 366 __s32 status; /* out - see above description */ 367 __u32 reserved; 368 }; 369 370 struct btrfs_ioctl_same_args { 371 __u64 logical_offset; /* in - start of extent in source */ 372 __u64 length; /* in - length of extent */ 373 __u16 dest_count; /* in - total elements in info array */ 374 __u16 reserved1; 375 __u32 reserved2; 376 struct btrfs_ioctl_same_extent_info info[0]; 377 }; 378 379 struct btrfs_ioctl_space_info { 380 __u64 flags; 381 __u64 total_bytes; 382 __u64 used_bytes; 383 }; 384 385 struct btrfs_ioctl_space_args { 386 __u64 space_slots; 387 __u64 total_spaces; 388 struct btrfs_ioctl_space_info spaces[0]; 389 }; 390 391 struct btrfs_data_container { 392 __u32 bytes_left; /* out -- bytes not needed to deliver output */ 393 __u32 bytes_missing; /* out -- additional bytes needed for result */ 394 __u32 elem_cnt; /* out */ 395 __u32 elem_missed; /* out */ 396 __u64 val[0]; /* out */ 397 }; 398 399 struct btrfs_ioctl_ino_path_args { 400 __u64 inum; /* in */ 401 __u64 size; /* in */ 402 __u64 reserved[4]; 403 /* struct btrfs_data_container *fspath; out */ 404 __u64 fspath; /* out */ 405 }; 406 407 struct btrfs_ioctl_logical_ino_args { 408 __u64 logical; /* in */ 409 __u64 size; /* in */ 410 __u64 reserved[4]; 411 /* struct btrfs_data_container *inodes; out */ 412 __u64 inodes; 413 }; 414 415 enum btrfs_dev_stat_values { 416 /* disk I/O failure stats */ 417 BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */ 418 BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */ 419 BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */ 420 421 /* stats for indirect indications for I/O failures */ 422 BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or 423 * contents is illegal: this is an 424 * indication that the block was damaged 425 * during read or write, or written to 426 * wrong location or read from wrong 427 * location */ 428 BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not 429 * been written */ 430 431 BTRFS_DEV_STAT_VALUES_MAX 432 }; 433 434 /* Reset statistics after reading; needs SYS_ADMIN capability */ 435 #define BTRFS_DEV_STATS_RESET (1ULL << 0) 436 437 struct btrfs_ioctl_get_dev_stats { 438 __u64 devid; /* in */ 439 __u64 nr_items; /* in/out */ 440 __u64 flags; /* in/out */ 441 442 /* out values: */ 443 __u64 values[BTRFS_DEV_STAT_VALUES_MAX]; 444 445 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */ 446 }; 447 448 #define BTRFS_QUOTA_CTL_ENABLE 1 449 #define BTRFS_QUOTA_CTL_DISABLE 2 450 #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3 451 struct btrfs_ioctl_quota_ctl_args { 452 __u64 cmd; 453 __u64 status; 454 }; 455 456 struct btrfs_ioctl_quota_rescan_args { 457 __u64 flags; 458 __u64 progress; 459 __u64 reserved[6]; 460 }; 461 462 struct btrfs_ioctl_qgroup_assign_args { 463 __u64 assign; 464 __u64 src; 465 __u64 dst; 466 }; 467 468 struct btrfs_ioctl_qgroup_create_args { 469 __u64 create; 470 __u64 qgroupid; 471 }; 472 struct btrfs_ioctl_timespec { 473 __u64 sec; 474 __u32 nsec; 475 }; 476 477 struct btrfs_ioctl_received_subvol_args { 478 char uuid[BTRFS_UUID_SIZE]; /* in */ 479 __u64 stransid; /* in */ 480 __u64 rtransid; /* out */ 481 struct btrfs_ioctl_timespec stime; /* in */ 482 struct btrfs_ioctl_timespec rtime; /* out */ 483 __u64 flags; /* in */ 484 __u64 reserved[16]; /* in */ 485 }; 486 487 /* 488 * Caller doesn't want file data in the send stream, even if the 489 * search of clone sources doesn't find an extent. UPDATE_EXTENT 490 * commands will be sent instead of WRITE commands. 491 */ 492 #define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1 493 494 /* 495 * Do not add the leading stream header. Used when multiple snapshots 496 * are sent back to back. 497 */ 498 #define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2 499 500 /* 501 * Omit the command at the end of the stream that indicated the end 502 * of the stream. This option is used when multiple snapshots are 503 * sent back to back. 504 */ 505 #define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4 506 507 #define BTRFS_SEND_FLAG_MASK \ 508 (BTRFS_SEND_FLAG_NO_FILE_DATA | \ 509 BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \ 510 BTRFS_SEND_FLAG_OMIT_END_CMD) 511 512 struct btrfs_ioctl_send_args { 513 __s64 send_fd; /* in */ 514 __u64 clone_sources_count; /* in */ 515 __u64 __user *clone_sources; /* in */ 516 __u64 parent_root; /* in */ 517 __u64 flags; /* in */ 518 __u64 reserved[4]; /* in */ 519 }; 520 521 /* Error codes as returned by the kernel */ 522 enum btrfs_err_code { 523 BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1, 524 BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET, 525 BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET, 526 BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET, 527 BTRFS_ERROR_DEV_TGT_REPLACE, 528 BTRFS_ERROR_DEV_MISSING_NOT_FOUND, 529 BTRFS_ERROR_DEV_ONLY_WRITABLE, 530 BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS 531 }; 532 /* An error code to error string mapping for the kernel 533 * error codes 534 */ 535 static inline char *btrfs_err_str(enum btrfs_err_code err_code) 536 { 537 switch (err_code) { 538 case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET: 539 return "unable to go below two devices on raid1"; 540 case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET: 541 return "unable to go below four devices on raid10"; 542 case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET: 543 return "unable to go below two devices on raid5"; 544 case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET: 545 return "unable to go below three devices on raid6"; 546 case BTRFS_ERROR_DEV_TGT_REPLACE: 547 return "unable to remove the dev_replace target dev"; 548 case BTRFS_ERROR_DEV_MISSING_NOT_FOUND: 549 return "no missing devices found to remove"; 550 case BTRFS_ERROR_DEV_ONLY_WRITABLE: 551 return "unable to remove the only writeable device"; 552 case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS: 553 return "add/delete/balance/replace/resize operation "\ 554 "in progress"; 555 default: 556 return NULL; 557 } 558 } 559 560 #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ 561 struct btrfs_ioctl_vol_args) 562 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ 563 struct btrfs_ioctl_vol_args) 564 #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \ 565 struct btrfs_ioctl_vol_args) 566 #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \ 567 struct btrfs_ioctl_vol_args) 568 /* trans start and trans end are dangerous, and only for 569 * use by applications that know how to avoid the 570 * resulting deadlocks 571 */ 572 #define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6) 573 #define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7) 574 #define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8) 575 576 #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int) 577 #define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \ 578 struct btrfs_ioctl_vol_args) 579 #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \ 580 struct btrfs_ioctl_vol_args) 581 #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \ 582 struct btrfs_ioctl_vol_args) 583 584 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \ 585 struct btrfs_ioctl_clone_range_args) 586 587 #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \ 588 struct btrfs_ioctl_vol_args) 589 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \ 590 struct btrfs_ioctl_vol_args) 591 #define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \ 592 struct btrfs_ioctl_defrag_range_args) 593 #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \ 594 struct btrfs_ioctl_search_args) 595 #define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \ 596 struct btrfs_ioctl_search_args_v2) 597 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \ 598 struct btrfs_ioctl_ino_lookup_args) 599 #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64) 600 #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \ 601 struct btrfs_ioctl_space_args) 602 #define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64) 603 #define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64) 604 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \ 605 struct btrfs_ioctl_vol_args_v2) 606 #define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \ 607 struct btrfs_ioctl_vol_args_v2) 608 #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64) 609 #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64) 610 #define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \ 611 struct btrfs_ioctl_scrub_args) 612 #define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28) 613 #define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \ 614 struct btrfs_ioctl_scrub_args) 615 #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \ 616 struct btrfs_ioctl_dev_info_args) 617 #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \ 618 struct btrfs_ioctl_fs_info_args) 619 #define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \ 620 struct btrfs_ioctl_balance_args) 621 #define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int) 622 #define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \ 623 struct btrfs_ioctl_balance_args) 624 #define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \ 625 struct btrfs_ioctl_ino_path_args) 626 #define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \ 627 struct btrfs_ioctl_ino_path_args) 628 #define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \ 629 struct btrfs_ioctl_received_subvol_args) 630 #define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args) 631 #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \ 632 struct btrfs_ioctl_vol_args) 633 #define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \ 634 struct btrfs_ioctl_quota_ctl_args) 635 #define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \ 636 struct btrfs_ioctl_qgroup_assign_args) 637 #define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \ 638 struct btrfs_ioctl_qgroup_create_args) 639 #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \ 640 struct btrfs_ioctl_qgroup_limit_args) 641 #define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \ 642 struct btrfs_ioctl_quota_rescan_args) 643 #define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \ 644 struct btrfs_ioctl_quota_rescan_args) 645 #define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46) 646 #define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \ 647 char[BTRFS_LABEL_SIZE]) 648 #define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \ 649 char[BTRFS_LABEL_SIZE]) 650 #define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \ 651 struct btrfs_ioctl_get_dev_stats) 652 #define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \ 653 struct btrfs_ioctl_dev_replace_args) 654 #define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \ 655 struct btrfs_ioctl_same_args) 656 #define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \ 657 struct btrfs_ioctl_feature_flags) 658 #define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \ 659 struct btrfs_ioctl_feature_flags[2]) 660 #define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \ 661 struct btrfs_ioctl_feature_flags[3]) 662 663 #endif /* _UAPI_LINUX_BTRFS_H */ 664
