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 */
btrfs_err_str(enum btrfs_err_code err_code)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