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 struct 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 */
201 struct 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 */
218 struct 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
229 struct 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
243 struct btrfs_ioctl_ino_lookup_args {
244 __u64 treeid;
245 __u64 objectid;
246 char name[BTRFS_INO_LOOKUP_PATH_MAX];
247 };
248
249 struct 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
285 struct 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 */
299 struct btrfs_ioctl_search_args {
300 struct btrfs_ioctl_search_key key;
301 char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
302 };
303
304 struct 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 */
316 struct 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
330 struct 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
339 struct btrfs_ioctl_space_info {
340 __u64 flags;
341 __u64 total_bytes;
342 __u64 used_bytes;
343 };
344
345 struct btrfs_ioctl_space_args {
346 __u64 space_slots;
347 __u64 total_spaces;
348 struct btrfs_ioctl_space_info spaces[0];
349 };
350
351 struct 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
359 struct 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
367 struct 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
375 enum 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
397 struct 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
411 struct btrfs_ioctl_quota_ctl_args {
412 __u64 cmd;
413 __u64 status;
414 };
415
416 struct btrfs_ioctl_quota_rescan_args {
417 __u64 flags;
418 __u64 progress;
419 __u64 reserved[6];
420 };
421
422 struct btrfs_ioctl_qgroup_assign_args {
423 __u64 assign;
424 __u64 src;
425 __u64 dst;
426 };
427
428 struct btrfs_ioctl_qgroup_create_args {
429 __u64 create;
430 __u64 qgroupid;
431 };
432 struct btrfs_ioctl_timespec {
433 __u64 sec;
434 __u32 nsec;
435 };
436
437 struct 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
472 struct 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 */
482 enum 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 */
btrfs_err_str(enum btrfs_err_code err_code)496 static 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