Linux kernel mirror (for testing)
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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 __u32 nodesize; /* out */
185 __u32 sectorsize; /* out */
186 __u32 clone_alignment; /* out */
187 __u32 reserved32;
188 __u64 reserved[122]; /* pad to 1k */
189};
190
191struct btrfs_ioctl_feature_flags {
192 __u64 compat_flags;
193 __u64 compat_ro_flags;
194 __u64 incompat_flags;
195};
196
197/* balance control ioctl modes */
198#define BTRFS_BALANCE_CTL_PAUSE 1
199#define BTRFS_BALANCE_CTL_CANCEL 2
200
201/*
202 * this is packed, because it should be exactly the same as its disk
203 * byte order counterpart (struct btrfs_disk_balance_args)
204 */
205struct btrfs_balance_args {
206 __u64 profiles;
207 __u64 usage;
208 __u64 devid;
209 __u64 pstart;
210 __u64 pend;
211 __u64 vstart;
212 __u64 vend;
213
214 __u64 target;
215
216 __u64 flags;
217
218 __u64 limit; /* limit number of processed chunks */
219 __u64 unused[7];
220} __attribute__ ((__packed__));
221
222/* report balance progress to userspace */
223struct btrfs_balance_progress {
224 __u64 expected; /* estimated # of chunks that will be
225 * relocated to fulfill the request */
226 __u64 considered; /* # of chunks we have considered so far */
227 __u64 completed; /* # of chunks relocated so far */
228};
229
230#define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0)
231#define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1)
232#define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2)
233
234struct btrfs_ioctl_balance_args {
235 __u64 flags; /* in/out */
236 __u64 state; /* out */
237
238 struct btrfs_balance_args data; /* in/out */
239 struct btrfs_balance_args meta; /* in/out */
240 struct btrfs_balance_args sys; /* in/out */
241
242 struct btrfs_balance_progress stat; /* out */
243
244 __u64 unused[72]; /* pad to 1k */
245};
246
247#define BTRFS_INO_LOOKUP_PATH_MAX 4080
248struct btrfs_ioctl_ino_lookup_args {
249 __u64 treeid;
250 __u64 objectid;
251 char name[BTRFS_INO_LOOKUP_PATH_MAX];
252};
253
254struct btrfs_ioctl_search_key {
255 /* which root are we searching. 0 is the tree of tree roots */
256 __u64 tree_id;
257
258 /* keys returned will be >= min and <= max */
259 __u64 min_objectid;
260 __u64 max_objectid;
261
262 /* keys returned will be >= min and <= max */
263 __u64 min_offset;
264 __u64 max_offset;
265
266 /* max and min transids to search for */
267 __u64 min_transid;
268 __u64 max_transid;
269
270 /* keys returned will be >= min and <= max */
271 __u32 min_type;
272 __u32 max_type;
273
274 /*
275 * how many items did userland ask for, and how many are we
276 * returning
277 */
278 __u32 nr_items;
279
280 /* align to 64 bits */
281 __u32 unused;
282
283 /* some extra for later */
284 __u64 unused1;
285 __u64 unused2;
286 __u64 unused3;
287 __u64 unused4;
288};
289
290struct btrfs_ioctl_search_header {
291 __u64 transid;
292 __u64 objectid;
293 __u64 offset;
294 __u32 type;
295 __u32 len;
296};
297
298#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
299/*
300 * the buf is an array of search headers where
301 * each header is followed by the actual item
302 * the type field is expanded to 32 bits for alignment
303 */
304struct btrfs_ioctl_search_args {
305 struct btrfs_ioctl_search_key key;
306 char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
307};
308
309struct btrfs_ioctl_search_args_v2 {
310 struct btrfs_ioctl_search_key key; /* in/out - search parameters */
311 __u64 buf_size; /* in - size of buffer
312 * out - on EOVERFLOW: needed size
313 * to store item */
314 __u64 buf[0]; /* out - found items */
315};
316
317struct btrfs_ioctl_clone_range_args {
318 __s64 src_fd;
319 __u64 src_offset, src_length;
320 __u64 dest_offset;
321};
322
323/* flags for the defrag range ioctl */
324#define BTRFS_DEFRAG_RANGE_COMPRESS 1
325#define BTRFS_DEFRAG_RANGE_START_IO 2
326
327#define BTRFS_SAME_DATA_DIFFERS 1
328/* For extent-same ioctl */
329struct btrfs_ioctl_same_extent_info {
330 __s64 fd; /* in - destination file */
331 __u64 logical_offset; /* in - start of extent in destination */
332 __u64 bytes_deduped; /* out - total # of bytes we were able
333 * to dedupe from this file */
334 /* status of this dedupe operation:
335 * 0 if dedup succeeds
336 * < 0 for error
337 * == BTRFS_SAME_DATA_DIFFERS if data differs
338 */
339 __s32 status; /* out - see above description */
340 __u32 reserved;
341};
342
343struct btrfs_ioctl_same_args {
344 __u64 logical_offset; /* in - start of extent in source */
345 __u64 length; /* in - length of extent */
346 __u16 dest_count; /* in - total elements in info array */
347 __u16 reserved1;
348 __u32 reserved2;
349 struct btrfs_ioctl_same_extent_info info[0];
350};
351
352struct btrfs_ioctl_space_info {
353 __u64 flags;
354 __u64 total_bytes;
355 __u64 used_bytes;
356};
357
358struct btrfs_ioctl_space_args {
359 __u64 space_slots;
360 __u64 total_spaces;
361 struct btrfs_ioctl_space_info spaces[0];
362};
363
364struct btrfs_data_container {
365 __u32 bytes_left; /* out -- bytes not needed to deliver output */
366 __u32 bytes_missing; /* out -- additional bytes needed for result */
367 __u32 elem_cnt; /* out */
368 __u32 elem_missed; /* out */
369 __u64 val[0]; /* out */
370};
371
372struct btrfs_ioctl_ino_path_args {
373 __u64 inum; /* in */
374 __u64 size; /* in */
375 __u64 reserved[4];
376 /* struct btrfs_data_container *fspath; out */
377 __u64 fspath; /* out */
378};
379
380struct btrfs_ioctl_logical_ino_args {
381 __u64 logical; /* in */
382 __u64 size; /* in */
383 __u64 reserved[4];
384 /* struct btrfs_data_container *inodes; out */
385 __u64 inodes;
386};
387
388enum btrfs_dev_stat_values {
389 /* disk I/O failure stats */
390 BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */
391 BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */
392 BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */
393
394 /* stats for indirect indications for I/O failures */
395 BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or
396 * contents is illegal: this is an
397 * indication that the block was damaged
398 * during read or write, or written to
399 * wrong location or read from wrong
400 * location */
401 BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not
402 * been written */
403
404 BTRFS_DEV_STAT_VALUES_MAX
405};
406
407/* Reset statistics after reading; needs SYS_ADMIN capability */
408#define BTRFS_DEV_STATS_RESET (1ULL << 0)
409
410struct btrfs_ioctl_get_dev_stats {
411 __u64 devid; /* in */
412 __u64 nr_items; /* in/out */
413 __u64 flags; /* in/out */
414
415 /* out values: */
416 __u64 values[BTRFS_DEV_STAT_VALUES_MAX];
417
418 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
419};
420
421#define BTRFS_QUOTA_CTL_ENABLE 1
422#define BTRFS_QUOTA_CTL_DISABLE 2
423#define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
424struct btrfs_ioctl_quota_ctl_args {
425 __u64 cmd;
426 __u64 status;
427};
428
429struct btrfs_ioctl_quota_rescan_args {
430 __u64 flags;
431 __u64 progress;
432 __u64 reserved[6];
433};
434
435struct btrfs_ioctl_qgroup_assign_args {
436 __u64 assign;
437 __u64 src;
438 __u64 dst;
439};
440
441struct btrfs_ioctl_qgroup_create_args {
442 __u64 create;
443 __u64 qgroupid;
444};
445struct btrfs_ioctl_timespec {
446 __u64 sec;
447 __u32 nsec;
448};
449
450struct btrfs_ioctl_received_subvol_args {
451 char uuid[BTRFS_UUID_SIZE]; /* in */
452 __u64 stransid; /* in */
453 __u64 rtransid; /* out */
454 struct btrfs_ioctl_timespec stime; /* in */
455 struct btrfs_ioctl_timespec rtime; /* out */
456 __u64 flags; /* in */
457 __u64 reserved[16]; /* in */
458};
459
460/*
461 * Caller doesn't want file data in the send stream, even if the
462 * search of clone sources doesn't find an extent. UPDATE_EXTENT
463 * commands will be sent instead of WRITE commands.
464 */
465#define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1
466
467/*
468 * Do not add the leading stream header. Used when multiple snapshots
469 * are sent back to back.
470 */
471#define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2
472
473/*
474 * Omit the command at the end of the stream that indicated the end
475 * of the stream. This option is used when multiple snapshots are
476 * sent back to back.
477 */
478#define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4
479
480#define BTRFS_SEND_FLAG_MASK \
481 (BTRFS_SEND_FLAG_NO_FILE_DATA | \
482 BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \
483 BTRFS_SEND_FLAG_OMIT_END_CMD)
484
485struct btrfs_ioctl_send_args {
486 __s64 send_fd; /* in */
487 __u64 clone_sources_count; /* in */
488 __u64 __user *clone_sources; /* in */
489 __u64 parent_root; /* in */
490 __u64 flags; /* in */
491 __u64 reserved[4]; /* in */
492};
493
494/* Error codes as returned by the kernel */
495enum btrfs_err_code {
496 notused,
497 BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET,
498 BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET,
499 BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET,
500 BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,
501 BTRFS_ERROR_DEV_TGT_REPLACE,
502 BTRFS_ERROR_DEV_MISSING_NOT_FOUND,
503 BTRFS_ERROR_DEV_ONLY_WRITABLE,
504 BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS
505};
506/* An error code to error string mapping for the kernel
507* error codes
508*/
509static inline char *btrfs_err_str(enum btrfs_err_code err_code)
510{
511 switch (err_code) {
512 case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET:
513 return "unable to go below two devices on raid1";
514 case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET:
515 return "unable to go below four devices on raid10";
516 case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET:
517 return "unable to go below two devices on raid5";
518 case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET:
519 return "unable to go below three devices on raid6";
520 case BTRFS_ERROR_DEV_TGT_REPLACE:
521 return "unable to remove the dev_replace target dev";
522 case BTRFS_ERROR_DEV_MISSING_NOT_FOUND:
523 return "no missing devices found to remove";
524 case BTRFS_ERROR_DEV_ONLY_WRITABLE:
525 return "unable to remove the only writeable device";
526 case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS:
527 return "add/delete/balance/replace/resize operation "\
528 "in progress";
529 default:
530 return NULL;
531 }
532}
533
534#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
535 struct btrfs_ioctl_vol_args)
536#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
537 struct btrfs_ioctl_vol_args)
538#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
539 struct btrfs_ioctl_vol_args)
540#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
541 struct btrfs_ioctl_vol_args)
542/* trans start and trans end are dangerous, and only for
543 * use by applications that know how to avoid the
544 * resulting deadlocks
545 */
546#define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6)
547#define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7)
548#define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8)
549
550#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
551#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
552 struct btrfs_ioctl_vol_args)
553#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
554 struct btrfs_ioctl_vol_args)
555#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
556 struct btrfs_ioctl_vol_args)
557
558#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
559 struct btrfs_ioctl_clone_range_args)
560
561#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
562 struct btrfs_ioctl_vol_args)
563#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
564 struct btrfs_ioctl_vol_args)
565#define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
566 struct btrfs_ioctl_defrag_range_args)
567#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
568 struct btrfs_ioctl_search_args)
569#define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
570 struct btrfs_ioctl_search_args_v2)
571#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
572 struct btrfs_ioctl_ino_lookup_args)
573#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64)
574#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
575 struct btrfs_ioctl_space_args)
576#define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
577#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
578#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
579 struct btrfs_ioctl_vol_args_v2)
580#define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \
581 struct btrfs_ioctl_vol_args_v2)
582#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
583#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
584#define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
585 struct btrfs_ioctl_scrub_args)
586#define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
587#define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
588 struct btrfs_ioctl_scrub_args)
589#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
590 struct btrfs_ioctl_dev_info_args)
591#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
592 struct btrfs_ioctl_fs_info_args)
593#define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \
594 struct btrfs_ioctl_balance_args)
595#define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int)
596#define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \
597 struct btrfs_ioctl_balance_args)
598#define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \
599 struct btrfs_ioctl_ino_path_args)
600#define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \
601 struct btrfs_ioctl_ino_path_args)
602#define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \
603 struct btrfs_ioctl_received_subvol_args)
604#define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args)
605#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
606 struct btrfs_ioctl_vol_args)
607#define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
608 struct btrfs_ioctl_quota_ctl_args)
609#define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \
610 struct btrfs_ioctl_qgroup_assign_args)
611#define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \
612 struct btrfs_ioctl_qgroup_create_args)
613#define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
614 struct btrfs_ioctl_qgroup_limit_args)
615#define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
616 struct btrfs_ioctl_quota_rescan_args)
617#define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
618 struct btrfs_ioctl_quota_rescan_args)
619#define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
620#define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \
621 char[BTRFS_LABEL_SIZE])
622#define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \
623 char[BTRFS_LABEL_SIZE])
624#define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \
625 struct btrfs_ioctl_get_dev_stats)
626#define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \
627 struct btrfs_ioctl_dev_replace_args)
628#define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \
629 struct btrfs_ioctl_same_args)
630#define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
631 struct btrfs_ioctl_feature_flags)
632#define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \
633 struct btrfs_ioctl_feature_flags[2])
634#define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
635 struct btrfs_ioctl_feature_flags[3])
636
637#endif /* _UAPI_LINUX_BTRFS_H */