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 29struct 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 44struct btrfs_qgroup_limit { 45 __u64 flags; 46 __u64 max_rfer; 47 __u64 max_excl; 48 __u64 rsv_rfer; 49 __u64 rsv_excl; 50}; 51 52struct 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 61struct btrfs_ioctl_qgroup_limit_args { 62 __u64 qgroupid; 63 struct btrfs_qgroup_limit lim; 64}; 65 66#define BTRFS_SUBVOL_NAME_MAX 4039 67struct 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 */ 85struct 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 119struct 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 131struct 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 144struct 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 159struct 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 171struct 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 180struct 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 187struct btrfs_ioctl_feature_flags { 188 __u64 compat_flags; 189 __u64 compat_ro_flags; 190 __u64 incompat_flags; 191}; 192 193/* balance control ioctl modes */ 194#define BTRFS_BALANCE_CTL_PAUSE 1 195#define BTRFS_BALANCE_CTL_CANCEL 2 196 197/* 198 * this is packed, because it should be exactly the same as its disk 199 * byte order counterpart (struct btrfs_disk_balance_args) 200 */ 201struct btrfs_balance_args { 202 __u64 profiles; 203 __u64 usage; 204 __u64 devid; 205 __u64 pstart; 206 __u64 pend; 207 __u64 vstart; 208 __u64 vend; 209 210 __u64 target; 211 212 __u64 flags; 213 214 __u64 unused[8]; 215} __attribute__ ((__packed__)); 216 217/* report balance progress to userspace */ 218struct btrfs_balance_progress { 219 __u64 expected; /* estimated # of chunks that will be 220 * relocated to fulfill the request */ 221 __u64 considered; /* # of chunks we have considered so far */ 222 __u64 completed; /* # of chunks relocated so far */ 223}; 224 225#define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0) 226#define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1) 227#define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2) 228 229struct btrfs_ioctl_balance_args { 230 __u64 flags; /* in/out */ 231 __u64 state; /* out */ 232 233 struct btrfs_balance_args data; /* in/out */ 234 struct btrfs_balance_args meta; /* in/out */ 235 struct btrfs_balance_args sys; /* in/out */ 236 237 struct btrfs_balance_progress stat; /* out */ 238 239 __u64 unused[72]; /* pad to 1k */ 240}; 241 242#define BTRFS_INO_LOOKUP_PATH_MAX 4080 243struct btrfs_ioctl_ino_lookup_args { 244 __u64 treeid; 245 __u64 objectid; 246 char name[BTRFS_INO_LOOKUP_PATH_MAX]; 247}; 248 249struct btrfs_ioctl_search_key { 250 /* which root are we searching. 0 is the tree of tree roots */ 251 __u64 tree_id; 252 253 /* keys returned will be >= min and <= max */ 254 __u64 min_objectid; 255 __u64 max_objectid; 256 257 /* keys returned will be >= min and <= max */ 258 __u64 min_offset; 259 __u64 max_offset; 260 261 /* max and min transids to search for */ 262 __u64 min_transid; 263 __u64 max_transid; 264 265 /* keys returned will be >= min and <= max */ 266 __u32 min_type; 267 __u32 max_type; 268 269 /* 270 * how many items did userland ask for, and how many are we 271 * returning 272 */ 273 __u32 nr_items; 274 275 /* align to 64 bits */ 276 __u32 unused; 277 278 /* some extra for later */ 279 __u64 unused1; 280 __u64 unused2; 281 __u64 unused3; 282 __u64 unused4; 283}; 284 285struct btrfs_ioctl_search_header { 286 __u64 transid; 287 __u64 objectid; 288 __u64 offset; 289 __u32 type; 290 __u32 len; 291}; 292 293#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key)) 294/* 295 * the buf is an array of search headers where 296 * each header is followed by the actual item 297 * the type field is expanded to 32 bits for alignment 298 */ 299struct btrfs_ioctl_search_args { 300 struct btrfs_ioctl_search_key key; 301 char buf[BTRFS_SEARCH_ARGS_BUFSIZE]; 302}; 303 304struct btrfs_ioctl_clone_range_args { 305 __s64 src_fd; 306 __u64 src_offset, src_length; 307 __u64 dest_offset; 308}; 309 310/* flags for the defrag range ioctl */ 311#define BTRFS_DEFRAG_RANGE_COMPRESS 1 312#define BTRFS_DEFRAG_RANGE_START_IO 2 313 314#define BTRFS_SAME_DATA_DIFFERS 1 315/* For extent-same ioctl */ 316struct btrfs_ioctl_same_extent_info { 317 __s64 fd; /* in - destination file */ 318 __u64 logical_offset; /* in - start of extent in destination */ 319 __u64 bytes_deduped; /* out - total # of bytes we were able 320 * to dedupe from this file */ 321 /* status of this dedupe operation: 322 * 0 if dedup succeeds 323 * < 0 for error 324 * == BTRFS_SAME_DATA_DIFFERS if data differs 325 */ 326 __s32 status; /* out - see above description */ 327 __u32 reserved; 328}; 329 330struct btrfs_ioctl_same_args { 331 __u64 logical_offset; /* in - start of extent in source */ 332 __u64 length; /* in - length of extent */ 333 __u16 dest_count; /* in - total elements in info array */ 334 __u16 reserved1; 335 __u32 reserved2; 336 struct btrfs_ioctl_same_extent_info info[0]; 337}; 338 339struct btrfs_ioctl_space_info { 340 __u64 flags; 341 __u64 total_bytes; 342 __u64 used_bytes; 343}; 344 345struct btrfs_ioctl_space_args { 346 __u64 space_slots; 347 __u64 total_spaces; 348 struct btrfs_ioctl_space_info spaces[0]; 349}; 350 351struct btrfs_data_container { 352 __u32 bytes_left; /* out -- bytes not needed to deliver output */ 353 __u32 bytes_missing; /* out -- additional bytes needed for result */ 354 __u32 elem_cnt; /* out */ 355 __u32 elem_missed; /* out */ 356 __u64 val[0]; /* out */ 357}; 358 359struct btrfs_ioctl_ino_path_args { 360 __u64 inum; /* in */ 361 __u64 size; /* in */ 362 __u64 reserved[4]; 363 /* struct btrfs_data_container *fspath; out */ 364 __u64 fspath; /* out */ 365}; 366 367struct btrfs_ioctl_logical_ino_args { 368 __u64 logical; /* in */ 369 __u64 size; /* in */ 370 __u64 reserved[4]; 371 /* struct btrfs_data_container *inodes; out */ 372 __u64 inodes; 373}; 374 375enum btrfs_dev_stat_values { 376 /* disk I/O failure stats */ 377 BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */ 378 BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */ 379 BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */ 380 381 /* stats for indirect indications for I/O failures */ 382 BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or 383 * contents is illegal: this is an 384 * indication that the block was damaged 385 * during read or write, or written to 386 * wrong location or read from wrong 387 * location */ 388 BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not 389 * been written */ 390 391 BTRFS_DEV_STAT_VALUES_MAX 392}; 393 394/* Reset statistics after reading; needs SYS_ADMIN capability */ 395#define BTRFS_DEV_STATS_RESET (1ULL << 0) 396 397struct btrfs_ioctl_get_dev_stats { 398 __u64 devid; /* in */ 399 __u64 nr_items; /* in/out */ 400 __u64 flags; /* in/out */ 401 402 /* out values: */ 403 __u64 values[BTRFS_DEV_STAT_VALUES_MAX]; 404 405 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */ 406}; 407 408#define BTRFS_QUOTA_CTL_ENABLE 1 409#define BTRFS_QUOTA_CTL_DISABLE 2 410#define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3 411struct btrfs_ioctl_quota_ctl_args { 412 __u64 cmd; 413 __u64 status; 414}; 415 416struct btrfs_ioctl_quota_rescan_args { 417 __u64 flags; 418 __u64 progress; 419 __u64 reserved[6]; 420}; 421 422struct btrfs_ioctl_qgroup_assign_args { 423 __u64 assign; 424 __u64 src; 425 __u64 dst; 426}; 427 428struct btrfs_ioctl_qgroup_create_args { 429 __u64 create; 430 __u64 qgroupid; 431}; 432struct btrfs_ioctl_timespec { 433 __u64 sec; 434 __u32 nsec; 435}; 436 437struct btrfs_ioctl_received_subvol_args { 438 char uuid[BTRFS_UUID_SIZE]; /* in */ 439 __u64 stransid; /* in */ 440 __u64 rtransid; /* out */ 441 struct btrfs_ioctl_timespec stime; /* in */ 442 struct btrfs_ioctl_timespec rtime; /* out */ 443 __u64 flags; /* in */ 444 __u64 reserved[16]; /* in */ 445}; 446 447/* 448 * Caller doesn't want file data in the send stream, even if the 449 * search of clone sources doesn't find an extent. UPDATE_EXTENT 450 * commands will be sent instead of WRITE commands. 451 */ 452#define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1 453 454/* 455 * Do not add the leading stream header. Used when multiple snapshots 456 * are sent back to back. 457 */ 458#define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2 459 460/* 461 * Omit the command at the end of the stream that indicated the end 462 * of the stream. This option is used when multiple snapshots are 463 * sent back to back. 464 */ 465#define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4 466 467#define BTRFS_SEND_FLAG_MASK \ 468 (BTRFS_SEND_FLAG_NO_FILE_DATA | \ 469 BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \ 470 BTRFS_SEND_FLAG_OMIT_END_CMD) 471 472struct btrfs_ioctl_send_args { 473 __s64 send_fd; /* in */ 474 __u64 clone_sources_count; /* in */ 475 __u64 __user *clone_sources; /* in */ 476 __u64 parent_root; /* in */ 477 __u64 flags; /* in */ 478 __u64 reserved[4]; /* in */ 479}; 480 481/* Error codes as returned by the kernel */ 482enum btrfs_err_code { 483 notused, 484 BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET, 485 BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET, 486 BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET, 487 BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET, 488 BTRFS_ERROR_DEV_TGT_REPLACE, 489 BTRFS_ERROR_DEV_MISSING_NOT_FOUND, 490 BTRFS_ERROR_DEV_ONLY_WRITABLE, 491 BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS 492}; 493/* An error code to error string mapping for the kernel 494* error codes 495*/ 496static inline char *btrfs_err_str(enum btrfs_err_code err_code) 497{ 498 switch (err_code) { 499 case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET: 500 return "unable to go below two devices on raid1"; 501 case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET: 502 return "unable to go below four devices on raid10"; 503 case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET: 504 return "unable to go below two devices on raid5"; 505 case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET: 506 return "unable to go below three devices on raid6"; 507 case BTRFS_ERROR_DEV_TGT_REPLACE: 508 return "unable to remove the dev_replace target dev"; 509 case BTRFS_ERROR_DEV_MISSING_NOT_FOUND: 510 return "no missing devices found to remove"; 511 case BTRFS_ERROR_DEV_ONLY_WRITABLE: 512 return "unable to remove the only writeable device"; 513 case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS: 514 return "add/delete/balance/replace/resize operation "\ 515 "in progress"; 516 default: 517 return NULL; 518 } 519} 520 521#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ 522 struct btrfs_ioctl_vol_args) 523#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ 524 struct btrfs_ioctl_vol_args) 525#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \ 526 struct btrfs_ioctl_vol_args) 527#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \ 528 struct btrfs_ioctl_vol_args) 529/* trans start and trans end are dangerous, and only for 530 * use by applications that know how to avoid the 531 * resulting deadlocks 532 */ 533#define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6) 534#define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7) 535#define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8) 536 537#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int) 538#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \ 539 struct btrfs_ioctl_vol_args) 540#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \ 541 struct btrfs_ioctl_vol_args) 542#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \ 543 struct btrfs_ioctl_vol_args) 544 545#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \ 546 struct btrfs_ioctl_clone_range_args) 547 548#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \ 549 struct btrfs_ioctl_vol_args) 550#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \ 551 struct btrfs_ioctl_vol_args) 552#define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \ 553 struct btrfs_ioctl_defrag_range_args) 554#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \ 555 struct btrfs_ioctl_search_args) 556#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \ 557 struct btrfs_ioctl_ino_lookup_args) 558#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64) 559#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \ 560 struct btrfs_ioctl_space_args) 561#define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64) 562#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64) 563#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \ 564 struct btrfs_ioctl_vol_args_v2) 565#define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \ 566 struct btrfs_ioctl_vol_args_v2) 567#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64) 568#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64) 569#define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \ 570 struct btrfs_ioctl_scrub_args) 571#define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28) 572#define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \ 573 struct btrfs_ioctl_scrub_args) 574#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \ 575 struct btrfs_ioctl_dev_info_args) 576#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \ 577 struct btrfs_ioctl_fs_info_args) 578#define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \ 579 struct btrfs_ioctl_balance_args) 580#define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int) 581#define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \ 582 struct btrfs_ioctl_balance_args) 583#define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \ 584 struct btrfs_ioctl_ino_path_args) 585#define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \ 586 struct btrfs_ioctl_ino_path_args) 587#define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \ 588 struct btrfs_ioctl_received_subvol_args) 589#define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args) 590#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \ 591 struct btrfs_ioctl_vol_args) 592#define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \ 593 struct btrfs_ioctl_quota_ctl_args) 594#define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \ 595 struct btrfs_ioctl_qgroup_assign_args) 596#define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \ 597 struct btrfs_ioctl_qgroup_create_args) 598#define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \ 599 struct btrfs_ioctl_qgroup_limit_args) 600#define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \ 601 struct btrfs_ioctl_quota_rescan_args) 602#define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \ 603 struct btrfs_ioctl_quota_rescan_args) 604#define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46) 605#define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \ 606 char[BTRFS_LABEL_SIZE]) 607#define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \ 608 char[BTRFS_LABEL_SIZE]) 609#define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \ 610 struct btrfs_ioctl_get_dev_stats) 611#define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \ 612 struct btrfs_ioctl_dev_replace_args) 613#define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \ 614 struct btrfs_ioctl_same_args) 615#define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \ 616 struct btrfs_ioctl_feature_flags) 617#define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \ 618 struct btrfs_ioctl_feature_flags[2]) 619#define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \ 620 struct btrfs_ioctl_feature_flags[3]) 621 622#endif /* _UAPI_LINUX_BTRFS_H */ 623