1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20#ifndef _UAPI_LINUX_BTRFS_H
21#define _UAPI_LINUX_BTRFS_H
22#include <linux/types.h>
23#include <linux/ioctl.h>
24
25#define BTRFS_IOCTL_MAGIC 0x94
26#define BTRFS_VOL_NAME_MAX 255
27#define BTRFS_LABEL_SIZE 256
28
29
30#define BTRFS_PATH_NAME_MAX 4087
31struct btrfs_ioctl_vol_args {
32 __s64 fd;
33 char name[BTRFS_PATH_NAME_MAX + 1];
34};
35
36#define BTRFS_DEVICE_PATH_NAME_MAX 1024
37#define BTRFS_SUBVOL_NAME_MAX 4039
38
39#ifndef __KERNEL__
40
41# define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
42#endif
43#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
44#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2)
45
46#define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3)
47
48#define BTRFS_SUBVOL_SPEC_BY_ID (1ULL << 4)
49
50#define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED \
51 (BTRFS_SUBVOL_RDONLY | \
52 BTRFS_SUBVOL_QGROUP_INHERIT | \
53 BTRFS_DEVICE_SPEC_BY_ID | \
54 BTRFS_SUBVOL_SPEC_BY_ID)
55
56#define BTRFS_FSID_SIZE 16
57#define BTRFS_UUID_SIZE 16
58#define BTRFS_UUID_UNPARSED_SIZE 37
59
60
61
62
63
64
65
66
67#define BTRFS_QGROUP_LIMIT_MAX_RFER (1ULL << 0)
68#define BTRFS_QGROUP_LIMIT_MAX_EXCL (1ULL << 1)
69#define BTRFS_QGROUP_LIMIT_RSV_RFER (1ULL << 2)
70#define BTRFS_QGROUP_LIMIT_RSV_EXCL (1ULL << 3)
71#define BTRFS_QGROUP_LIMIT_RFER_CMPR (1ULL << 4)
72#define BTRFS_QGROUP_LIMIT_EXCL_CMPR (1ULL << 5)
73
74struct btrfs_qgroup_limit {
75 __u64 flags;
76 __u64 max_rfer;
77 __u64 max_excl;
78 __u64 rsv_rfer;
79 __u64 rsv_excl;
80};
81
82
83
84
85
86
87
88#define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
89
90struct btrfs_qgroup_inherit {
91 __u64 flags;
92 __u64 num_qgroups;
93 __u64 num_ref_copies;
94 __u64 num_excl_copies;
95 struct btrfs_qgroup_limit lim;
96 __u64 qgroups[0];
97};
98
99struct btrfs_ioctl_qgroup_limit_args {
100 __u64 qgroupid;
101 struct btrfs_qgroup_limit lim;
102};
103
104
105
106
107
108
109
110
111
112
113
114
115
116#define BTRFS_DEVICE_REMOVE_ARGS_MASK \
117 (BTRFS_DEVICE_SPEC_BY_ID)
118
119
120#define BTRFS_SUBVOL_CREATE_ARGS_MASK \
121 (BTRFS_SUBVOL_RDONLY | \
122 BTRFS_SUBVOL_QGROUP_INHERIT)
123
124
125#define BTRFS_SUBVOL_DELETE_ARGS_MASK \
126 (BTRFS_SUBVOL_SPEC_BY_ID)
127
128struct btrfs_ioctl_vol_args_v2 {
129 __s64 fd;
130 __u64 transid;
131 __u64 flags;
132 union {
133 struct {
134 __u64 size;
135 struct btrfs_qgroup_inherit __user *qgroup_inherit;
136 };
137 __u64 unused[4];
138 };
139 union {
140 char name[BTRFS_SUBVOL_NAME_MAX + 1];
141 __u64 devid;
142 __u64 subvolid;
143 };
144};
145
146
147
148
149
150struct btrfs_scrub_progress {
151 __u64 data_extents_scrubbed;
152 __u64 tree_extents_scrubbed;
153 __u64 data_bytes_scrubbed;
154 __u64 tree_bytes_scrubbed;
155 __u64 read_errors;
156 __u64 csum_errors;
157 __u64 verify_errors;
158
159
160
161 __u64 no_csum;
162
163
164 __u64 csum_discards;
165
166 __u64 super_errors;
167 __u64 malloc_errors;
168
169
170 __u64 uncorrectable_errors;
171
172
173 __u64 corrected_errors;
174 __u64 last_physical;
175
176
177 __u64 unverified_errors;
178
179
180
181};
182
183#define BTRFS_SCRUB_READONLY 1
184struct btrfs_ioctl_scrub_args {
185 __u64 devid;
186 __u64 start;
187 __u64 end;
188 __u64 flags;
189 struct btrfs_scrub_progress progress;
190
191 __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
192};
193
194#define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0
195#define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1
196struct btrfs_ioctl_dev_replace_start_params {
197 __u64 srcdevid;
198 __u64 cont_reading_from_srcdev_mode;
199
200 __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1];
201 __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1];
202};
203
204#define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0
205#define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1
206#define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2
207#define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3
208#define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4
209struct btrfs_ioctl_dev_replace_status_params {
210 __u64 replace_state;
211 __u64 progress_1000;
212 __u64 time_started;
213 __u64 time_stopped;
214 __u64 num_write_errors;
215 __u64 num_uncorrectable_read_errors;
216};
217
218#define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0
219#define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1
220#define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2
221#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0
222#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1
223#define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2
224#define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3
225struct btrfs_ioctl_dev_replace_args {
226 __u64 cmd;
227 __u64 result;
228
229 union {
230 struct btrfs_ioctl_dev_replace_start_params start;
231 struct btrfs_ioctl_dev_replace_status_params status;
232 };
233
234 __u64 spare[64];
235};
236
237struct btrfs_ioctl_dev_info_args {
238 __u64 devid;
239 __u8 uuid[BTRFS_UUID_SIZE];
240 __u64 bytes_used;
241 __u64 total_bytes;
242 __u64 unused[379];
243 __u8 path[BTRFS_DEVICE_PATH_NAME_MAX];
244};
245
246
247
248
249
250
251#define BTRFS_FS_INFO_FLAG_CSUM_INFO (1 << 0)
252
253
254#define BTRFS_FS_INFO_FLAG_GENERATION (1 << 1)
255
256#define BTRFS_FS_INFO_FLAG_METADATA_UUID (1 << 2)
257
258struct btrfs_ioctl_fs_info_args {
259 __u64 max_id;
260 __u64 num_devices;
261 __u8 fsid[BTRFS_FSID_SIZE];
262 __u32 nodesize;
263 __u32 sectorsize;
264 __u32 clone_alignment;
265
266 __u16 csum_type;
267 __u16 csum_size;
268 __u64 flags;
269 __u64 generation;
270 __u8 metadata_uuid[BTRFS_FSID_SIZE];
271 __u8 reserved[944];
272};
273
274
275
276
277
278
279
280#define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0)
281
282
283
284
285
286
287
288
289
290#define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID (1ULL << 1)
291#define BTRFS_FEATURE_COMPAT_RO_VERITY (1ULL << 2)
292
293#define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0)
294#define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1)
295#define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2)
296#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3)
297#define BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD (1ULL << 4)
298
299
300
301
302
303#define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5)
304
305#define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6)
306#define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7)
307#define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8)
308#define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9)
309#define BTRFS_FEATURE_INCOMPAT_METADATA_UUID (1ULL << 10)
310#define BTRFS_FEATURE_INCOMPAT_RAID1C34 (1ULL << 11)
311#define BTRFS_FEATURE_INCOMPAT_ZONED (1ULL << 12)
312
313struct btrfs_ioctl_feature_flags {
314 __u64 compat_flags;
315 __u64 compat_ro_flags;
316 __u64 incompat_flags;
317};
318
319
320#define BTRFS_BALANCE_CTL_PAUSE 1
321#define BTRFS_BALANCE_CTL_CANCEL 2
322
323
324
325
326
327struct btrfs_balance_args {
328 __u64 profiles;
329 union {
330 __u64 usage;
331 struct {
332 __u32 usage_min;
333 __u32 usage_max;
334 };
335 };
336 __u64 devid;
337 __u64 pstart;
338 __u64 pend;
339 __u64 vstart;
340 __u64 vend;
341
342 __u64 target;
343
344 __u64 flags;
345
346
347
348
349
350
351 union {
352 __u64 limit;
353 struct {
354 __u32 limit_min;
355 __u32 limit_max;
356 };
357 };
358
359
360
361
362
363 __u32 stripes_min;
364 __u32 stripes_max;
365
366 __u64 unused[6];
367} __attribute__ ((__packed__));
368
369
370struct btrfs_balance_progress {
371 __u64 expected;
372
373 __u64 considered;
374 __u64 completed;
375};
376
377
378
379
380
381
382
383
384
385
386#define BTRFS_BALANCE_DATA (1ULL << 0)
387#define BTRFS_BALANCE_SYSTEM (1ULL << 1)
388#define BTRFS_BALANCE_METADATA (1ULL << 2)
389
390#define BTRFS_BALANCE_TYPE_MASK (BTRFS_BALANCE_DATA | \
391 BTRFS_BALANCE_SYSTEM | \
392 BTRFS_BALANCE_METADATA)
393
394#define BTRFS_BALANCE_FORCE (1ULL << 3)
395#define BTRFS_BALANCE_RESUME (1ULL << 4)
396
397
398
399
400
401
402
403
404
405#define BTRFS_BALANCE_ARGS_PROFILES (1ULL << 0)
406#define BTRFS_BALANCE_ARGS_USAGE (1ULL << 1)
407#define BTRFS_BALANCE_ARGS_DEVID (1ULL << 2)
408#define BTRFS_BALANCE_ARGS_DRANGE (1ULL << 3)
409#define BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4)
410#define BTRFS_BALANCE_ARGS_LIMIT (1ULL << 5)
411#define BTRFS_BALANCE_ARGS_LIMIT_RANGE (1ULL << 6)
412#define BTRFS_BALANCE_ARGS_STRIPES_RANGE (1ULL << 7)
413#define BTRFS_BALANCE_ARGS_USAGE_RANGE (1ULL << 10)
414
415#define BTRFS_BALANCE_ARGS_MASK \
416 (BTRFS_BALANCE_ARGS_PROFILES | \
417 BTRFS_BALANCE_ARGS_USAGE | \
418 BTRFS_BALANCE_ARGS_DEVID | \
419 BTRFS_BALANCE_ARGS_DRANGE | \
420 BTRFS_BALANCE_ARGS_VRANGE | \
421 BTRFS_BALANCE_ARGS_LIMIT | \
422 BTRFS_BALANCE_ARGS_LIMIT_RANGE | \
423 BTRFS_BALANCE_ARGS_STRIPES_RANGE | \
424 BTRFS_BALANCE_ARGS_USAGE_RANGE)
425
426
427
428
429
430
431#define BTRFS_BALANCE_ARGS_CONVERT (1ULL << 8)
432#define BTRFS_BALANCE_ARGS_SOFT (1ULL << 9)
433
434
435
436
437
438
439
440
441#define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0)
442#define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1)
443#define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2)
444
445struct btrfs_ioctl_balance_args {
446 __u64 flags;
447 __u64 state;
448
449 struct btrfs_balance_args data;
450 struct btrfs_balance_args meta;
451 struct btrfs_balance_args sys;
452
453 struct btrfs_balance_progress stat;
454
455 __u64 unused[72];
456};
457
458#define BTRFS_INO_LOOKUP_PATH_MAX 4080
459struct btrfs_ioctl_ino_lookup_args {
460 __u64 treeid;
461 __u64 objectid;
462 char name[BTRFS_INO_LOOKUP_PATH_MAX];
463};
464
465#define BTRFS_INO_LOOKUP_USER_PATH_MAX (4080 - BTRFS_VOL_NAME_MAX - 1)
466struct btrfs_ioctl_ino_lookup_user_args {
467
468 __u64 dirid;
469
470 __u64 treeid;
471
472 char name[BTRFS_VOL_NAME_MAX + 1];
473
474
475
476
477 char path[BTRFS_INO_LOOKUP_USER_PATH_MAX];
478};
479
480
481struct btrfs_ioctl_search_key {
482
483
484
485
486
487
488
489 __u64 tree_id;
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511 __u64 min_objectid;
512 __u64 max_objectid;
513 __u64 min_offset;
514 __u64 max_offset;
515 __u64 min_transid;
516 __u64 max_transid;
517 __u32 min_type;
518 __u32 max_type;
519
520
521
522
523
524
525
526
527 __u32 nr_items;
528
529
530 __u32 unused;
531
532
533 __u64 unused1;
534 __u64 unused2;
535 __u64 unused3;
536 __u64 unused4;
537};
538
539struct btrfs_ioctl_search_header {
540 __u64 transid;
541 __u64 objectid;
542 __u64 offset;
543 __u32 type;
544 __u32 len;
545};
546
547#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
548
549
550
551
552
553struct btrfs_ioctl_search_args {
554 struct btrfs_ioctl_search_key key;
555 char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
556};
557
558struct btrfs_ioctl_search_args_v2 {
559 struct btrfs_ioctl_search_key key;
560 __u64 buf_size;
561
562
563 __u64 buf[0];
564};
565
566struct btrfs_ioctl_clone_range_args {
567 __s64 src_fd;
568 __u64 src_offset, src_length;
569 __u64 dest_offset;
570};
571
572
573
574
575
576
577
578#define BTRFS_DEFRAG_RANGE_COMPRESS 1
579#define BTRFS_DEFRAG_RANGE_START_IO 2
580struct btrfs_ioctl_defrag_range_args {
581
582 __u64 start;
583
584
585 __u64 len;
586
587
588
589
590
591 __u64 flags;
592
593
594
595
596
597
598 __u32 extent_thresh;
599
600
601
602
603
604
605 __u32 compress_type;
606
607
608 __u32 unused[4];
609};
610
611
612#define BTRFS_SAME_DATA_DIFFERS 1
613
614struct btrfs_ioctl_same_extent_info {
615 __s64 fd;
616 __u64 logical_offset;
617 __u64 bytes_deduped;
618
619
620
621
622
623
624 __s32 status;
625 __u32 reserved;
626};
627
628struct btrfs_ioctl_same_args {
629 __u64 logical_offset;
630 __u64 length;
631 __u16 dest_count;
632 __u16 reserved1;
633 __u32 reserved2;
634 struct btrfs_ioctl_same_extent_info info[0];
635};
636
637struct btrfs_ioctl_space_info {
638 __u64 flags;
639 __u64 total_bytes;
640 __u64 used_bytes;
641};
642
643struct btrfs_ioctl_space_args {
644 __u64 space_slots;
645 __u64 total_spaces;
646 struct btrfs_ioctl_space_info spaces[0];
647};
648
649struct btrfs_data_container {
650 __u32 bytes_left;
651 __u32 bytes_missing;
652 __u32 elem_cnt;
653 __u32 elem_missed;
654 __u64 val[0];
655};
656
657struct btrfs_ioctl_ino_path_args {
658 __u64 inum;
659 __u64 size;
660 __u64 reserved[4];
661
662 __u64 fspath;
663};
664
665struct btrfs_ioctl_logical_ino_args {
666 __u64 logical;
667 __u64 size;
668 __u64 reserved[3];
669 __u64 flags;
670
671 __u64 inodes;
672};
673
674
675#define BTRFS_LOGICAL_INO_ARGS_IGNORE_OFFSET (1ULL << 0)
676
677enum btrfs_dev_stat_values {
678
679 BTRFS_DEV_STAT_WRITE_ERRS,
680 BTRFS_DEV_STAT_READ_ERRS,
681 BTRFS_DEV_STAT_FLUSH_ERRS,
682
683
684 BTRFS_DEV_STAT_CORRUPTION_ERRS,
685
686
687
688
689
690 BTRFS_DEV_STAT_GENERATION_ERRS,
691
692
693 BTRFS_DEV_STAT_VALUES_MAX
694};
695
696
697#define BTRFS_DEV_STATS_RESET (1ULL << 0)
698
699struct btrfs_ioctl_get_dev_stats {
700 __u64 devid;
701 __u64 nr_items;
702 __u64 flags;
703
704
705 __u64 values[BTRFS_DEV_STAT_VALUES_MAX];
706
707
708
709
710
711
712 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX];
713};
714
715#define BTRFS_QUOTA_CTL_ENABLE 1
716#define BTRFS_QUOTA_CTL_DISABLE 2
717#define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
718struct btrfs_ioctl_quota_ctl_args {
719 __u64 cmd;
720 __u64 status;
721};
722
723struct btrfs_ioctl_quota_rescan_args {
724 __u64 flags;
725 __u64 progress;
726 __u64 reserved[6];
727};
728
729struct btrfs_ioctl_qgroup_assign_args {
730 __u64 assign;
731 __u64 src;
732 __u64 dst;
733};
734
735struct btrfs_ioctl_qgroup_create_args {
736 __u64 create;
737 __u64 qgroupid;
738};
739struct btrfs_ioctl_timespec {
740 __u64 sec;
741 __u32 nsec;
742};
743
744struct btrfs_ioctl_received_subvol_args {
745 char uuid[BTRFS_UUID_SIZE];
746 __u64 stransid;
747 __u64 rtransid;
748 struct btrfs_ioctl_timespec stime;
749 struct btrfs_ioctl_timespec rtime;
750 __u64 flags;
751 __u64 reserved[16];
752};
753
754
755
756
757
758
759#define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1
760
761
762
763
764
765#define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2
766
767
768
769
770
771
772#define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4
773
774#define BTRFS_SEND_FLAG_MASK \
775 (BTRFS_SEND_FLAG_NO_FILE_DATA | \
776 BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \
777 BTRFS_SEND_FLAG_OMIT_END_CMD)
778
779struct btrfs_ioctl_send_args {
780 __s64 send_fd;
781 __u64 clone_sources_count;
782 __u64 __user *clone_sources;
783 __u64 parent_root;
784 __u64 flags;
785 __u64 reserved[4];
786};
787
788
789
790
791
792
793struct btrfs_ioctl_get_subvol_info_args {
794
795 __u64 treeid;
796
797
798 char name[BTRFS_VOL_NAME_MAX + 1];
799
800
801
802
803
804 __u64 parent_id;
805
806
807
808
809
810 __u64 dirid;
811
812
813 __u64 generation;
814
815
816 __u64 flags;
817
818
819 __u8 uuid[BTRFS_UUID_SIZE];
820
821
822
823
824
825 __u8 parent_uuid[BTRFS_UUID_SIZE];
826
827
828
829
830
831 __u8 received_uuid[BTRFS_UUID_SIZE];
832
833
834 __u64 ctransid;
835 __u64 otransid;
836 __u64 stransid;
837 __u64 rtransid;
838
839 struct btrfs_ioctl_timespec ctime;
840 struct btrfs_ioctl_timespec otime;
841 struct btrfs_ioctl_timespec stime;
842 struct btrfs_ioctl_timespec rtime;
843
844
845 __u64 reserved[8];
846};
847
848#define BTRFS_MAX_ROOTREF_BUFFER_NUM 255
849struct btrfs_ioctl_get_subvol_rootref_args {
850
851 __u64 min_treeid;
852
853
854 struct {
855 __u64 treeid;
856 __u64 dirid;
857 } rootref[BTRFS_MAX_ROOTREF_BUFFER_NUM];
858
859
860 __u8 num_items;
861 __u8 align[7];
862};
863
864
865enum btrfs_err_code {
866 BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1,
867 BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET,
868 BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET,
869 BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,
870 BTRFS_ERROR_DEV_TGT_REPLACE,
871 BTRFS_ERROR_DEV_MISSING_NOT_FOUND,
872 BTRFS_ERROR_DEV_ONLY_WRITABLE,
873 BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS,
874 BTRFS_ERROR_DEV_RAID1C3_MIN_NOT_MET,
875 BTRFS_ERROR_DEV_RAID1C4_MIN_NOT_MET,
876};
877
878#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
879 struct btrfs_ioctl_vol_args)
880#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
881 struct btrfs_ioctl_vol_args)
882#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
883 struct btrfs_ioctl_vol_args)
884#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
885 struct btrfs_ioctl_vol_args)
886#define BTRFS_IOC_FORGET_DEV _IOW(BTRFS_IOCTL_MAGIC, 5, \
887 struct btrfs_ioctl_vol_args)
888
889
890
891
892#define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6)
893#define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7)
894#define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8)
895
896#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
897#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
898 struct btrfs_ioctl_vol_args)
899#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
900 struct btrfs_ioctl_vol_args)
901#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
902 struct btrfs_ioctl_vol_args)
903
904#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
905 struct btrfs_ioctl_clone_range_args)
906
907#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
908 struct btrfs_ioctl_vol_args)
909#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
910 struct btrfs_ioctl_vol_args)
911#define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
912 struct btrfs_ioctl_defrag_range_args)
913#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
914 struct btrfs_ioctl_search_args)
915#define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
916 struct btrfs_ioctl_search_args_v2)
917#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
918 struct btrfs_ioctl_ino_lookup_args)
919#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64)
920#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
921 struct btrfs_ioctl_space_args)
922#define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
923#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
924#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
925 struct btrfs_ioctl_vol_args_v2)
926#define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \
927 struct btrfs_ioctl_vol_args_v2)
928#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
929#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
930#define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
931 struct btrfs_ioctl_scrub_args)
932#define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
933#define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
934 struct btrfs_ioctl_scrub_args)
935#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
936 struct btrfs_ioctl_dev_info_args)
937#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
938 struct btrfs_ioctl_fs_info_args)
939#define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \
940 struct btrfs_ioctl_balance_args)
941#define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int)
942#define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \
943 struct btrfs_ioctl_balance_args)
944#define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \
945 struct btrfs_ioctl_ino_path_args)
946#define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \
947 struct btrfs_ioctl_logical_ino_args)
948#define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \
949 struct btrfs_ioctl_received_subvol_args)
950#define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args)
951#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
952 struct btrfs_ioctl_vol_args)
953#define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
954 struct btrfs_ioctl_quota_ctl_args)
955#define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \
956 struct btrfs_ioctl_qgroup_assign_args)
957#define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \
958 struct btrfs_ioctl_qgroup_create_args)
959#define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
960 struct btrfs_ioctl_qgroup_limit_args)
961#define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
962 struct btrfs_ioctl_quota_rescan_args)
963#define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
964 struct btrfs_ioctl_quota_rescan_args)
965#define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
966#define BTRFS_IOC_GET_FSLABEL FS_IOC_GETFSLABEL
967#define BTRFS_IOC_SET_FSLABEL FS_IOC_SETFSLABEL
968#define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \
969 struct btrfs_ioctl_get_dev_stats)
970#define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \
971 struct btrfs_ioctl_dev_replace_args)
972#define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \
973 struct btrfs_ioctl_same_args)
974#define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
975 struct btrfs_ioctl_feature_flags)
976#define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \
977 struct btrfs_ioctl_feature_flags[2])
978#define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
979 struct btrfs_ioctl_feature_flags[3])
980#define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, \
981 struct btrfs_ioctl_vol_args_v2)
982#define BTRFS_IOC_LOGICAL_INO_V2 _IOWR(BTRFS_IOCTL_MAGIC, 59, \
983 struct btrfs_ioctl_logical_ino_args)
984#define BTRFS_IOC_GET_SUBVOL_INFO _IOR(BTRFS_IOCTL_MAGIC, 60, \
985 struct btrfs_ioctl_get_subvol_info_args)
986#define BTRFS_IOC_GET_SUBVOL_ROOTREF _IOWR(BTRFS_IOCTL_MAGIC, 61, \
987 struct btrfs_ioctl_get_subvol_rootref_args)
988#define BTRFS_IOC_INO_LOOKUP_USER _IOWR(BTRFS_IOCTL_MAGIC, 62, \
989 struct btrfs_ioctl_ino_lookup_user_args)
990#define BTRFS_IOC_SNAP_DESTROY_V2 _IOW(BTRFS_IOCTL_MAGIC, 63, \
991 struct btrfs_ioctl_vol_args_v2)
992
993#endif
994