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