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btrfs: introduce device delete by devid
[linux-block.git] / include / uapi / linux / btrfs.h
CommitLineData
6cbd5570
CM		 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
55e301fd
FB		 19#ifndef _UAPI_LINUX_BTRFS_H
20#define _UAPI_LINUX_BTRFS_H
21#include <linux/types.h>
c5739bba
CM		 22#include <linux/ioctl.h>
23
24#define BTRFS_IOCTL_MAGIC 0x94
25#define BTRFS_VOL_NAME_MAX 255
8a4b83cc 26
c071fcfd 27/* this should be 4k */
72fd032e 28#define BTRFS_PATH_NAME_MAX 4087
c5739bba 29struct btrfs_ioctl_vol_args {
3de4586c 30 __s64 fd;
8a4b83cc 31 char name[BTRFS_PATH_NAME_MAX + 1];
c5739bba
CM		 32};
33
3f6bcfbd
SB		 34#define BTRFS_DEVICE_PATH_NAME_MAX 1024
35
fdfb1e4f 36#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
b83cc969 37#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
6f72c7e2 38#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2)
6b526ed7
AJ		 39#define BTRFS_DEVICE_BY_ID (1ULL << 3)
40#define BTRFS_VOL_ARG_V2_FLAGS \
41 (BTRFS_SUBVOL_CREATE_ASYNC | \
42 BTRFS_SUBVOL_RDONLY | \
43 BTRFS_SUBVOL_QGROUP_INHERIT | \
44 BTRFS_DEVICE_BY_ID)
45
475f6387
JS		 46#define BTRFS_FSID_SIZE 16
47#define BTRFS_UUID_SIZE 16
b2373f25 48#define BTRFS_UUID_UNPARSED_SIZE 37
fdfb1e4f 49
bed92eae
AJ		 50#define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
51
52struct btrfs_qgroup_limit {
53 __u64 flags;
54 __u64 max_rfer;
55 __u64 max_excl;
56 __u64 rsv_rfer;
57 __u64 rsv_excl;
58};
59
60struct btrfs_qgroup_inherit {
61 __u64 flags;
62 __u64 num_qgroups;
63 __u64 num_ref_copies;
64 __u64 num_excl_copies;
65 struct btrfs_qgroup_limit lim;
66 __u64 qgroups[0];
67};
68
69struct btrfs_ioctl_qgroup_limit_args {
70 __u64 qgroupid;
71 struct btrfs_qgroup_limit lim;
72};
73
fdfb1e4f
LZ		 74#define BTRFS_SUBVOL_NAME_MAX 4039
75struct btrfs_ioctl_vol_args_v2 {
72fd032e
SW		 76 __s64 fd;
77 __u64 transid;
fdfb1e4f 78 __u64 flags;
6f72c7e2
AJ		 79 union {
80 struct {
81 __u64 size;
82 struct btrfs_qgroup_inherit __user *qgroup_inherit;
83 };
84 __u64 unused[4];
85 };
6b526ed7
AJ		 86 union {
87 char name[BTRFS_SUBVOL_NAME_MAX + 1];
88 u64 devid;
89 };
72fd032e
SW		 90};
91
a2de733c
AJ		 92/*
93 * structure to report errors and progress to userspace, either as a
94 * result of a finished scrub, a canceled scrub or a progress inquiry
95 */
96struct btrfs_scrub_progress {
97 __u64 data_extents_scrubbed; /* # of data extents scrubbed */
98 __u64 tree_extents_scrubbed; /* # of tree extents scrubbed */
99 __u64 data_bytes_scrubbed; /* # of data bytes scrubbed */
100 __u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */
101 __u64 read_errors; /* # of read errors encountered (EIO) */
102 __u64 csum_errors; /* # of failed csum checks */
103 __u64 verify_errors; /* # of occurences, where the metadata
104 * of a tree block did not match the
105 * expected values, like generation or
106 * logical */
107 __u64 no_csum; /* # of 4k data block for which no csum
108 * is present, probably the result of
109 * data written with nodatasum */
110 __u64 csum_discards; /* # of csum for which no data was found
111 * in the extent tree. */
112 __u64 super_errors; /* # of bad super blocks encountered */
113 __u64 malloc_errors; /* # of internal kmalloc errors. These
114 * will likely cause an incomplete
115 * scrub */
116 __u64 uncorrectable_errors; /* # of errors where either no intact
117 * copy was found or the writeback
118 * failed */
119 __u64 corrected_errors; /* # of errors corrected */
120 __u64 last_physical; /* last physical address scrubbed. In
121 * case a scrub was aborted, this can
122 * be used to restart the scrub */
123 __u64 unverified_errors; /* # of occurences where a read for a
124 * full (64k) bio failed, but the re-
125 * check succeeded for each 4k piece.
126 * Intermittent error. */
127};
128
8628764e 129#define BTRFS_SCRUB_READONLY 1
475f6387
JS		 130struct btrfs_ioctl_scrub_args {
131 __u64 devid; /* in */
132 __u64 start; /* in */
133 __u64 end; /* in */
134 __u64 flags; /* in */
135 struct btrfs_scrub_progress progress; /* out */
136 /* pad to 1k */
137 __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
138};
139
e93c89c1
SB		 140#define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0
141#define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1
142struct btrfs_ioctl_dev_replace_start_params {
143 __u64 srcdevid; /* in, if 0, use srcdev_name instead */
e93c89c1
SB		 144 __u64 cont_reading_from_srcdev_mode; /* in, see #define
145 * above */
3f6bcfbd
SB		 146 __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
147 __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
e93c89c1
SB		 148};
149
150#define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0
151#define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1
152#define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2
153#define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3
154#define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4
155struct btrfs_ioctl_dev_replace_status_params {
156 __u64 replace_state; /* out, see #define above */
157 __u64 progress_1000; /* out, 0 <= x <= 1000 */
158 __u64 time_started; /* out, seconds since 1-Jan-1970 */
159 __u64 time_stopped; /* out, seconds since 1-Jan-1970 */
160 __u64 num_write_errors; /* out */
161 __u64 num_uncorrectable_read_errors; /* out */
162};
163
164#define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0
165#define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1
166#define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2
167#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0
168#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1
169#define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2
2fc9f6ba 170#define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3
e93c89c1
SB		 171struct btrfs_ioctl_dev_replace_args {
172 __u64 cmd; /* in */
173 __u64 result; /* out */
174
175 union {
176 struct btrfs_ioctl_dev_replace_start_params start;
177 struct btrfs_ioctl_dev_replace_status_params status;
178 }; /* in/out */
179
180 __u64 spare[64];
181};
182
475f6387
JS		 183struct btrfs_ioctl_dev_info_args {
184 __u64 devid; /* in/out */
185 __u8 uuid[BTRFS_UUID_SIZE]; /* in/out */
186 __u64 bytes_used; /* out */
187 __u64 total_bytes; /* out */
188 __u64 unused[379]; /* pad to 4k */
189 __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
190};
191
192struct btrfs_ioctl_fs_info_args {
193 __u64 max_id; /* out */
194 __u64 num_devices; /* out */
195 __u8 fsid[BTRFS_FSID_SIZE]; /* out */
80a773fb
DS		 196 __u32 nodesize; /* out */
197 __u32 sectorsize; /* out */
198 __u32 clone_alignment; /* out */
199 __u32 reserved32;
200 __u64 reserved[122]; /* pad to 1k */
475f6387
JS		 201};
202
2eaa055f
JM		 203struct btrfs_ioctl_feature_flags {
204 __u64 compat_flags;
205 __u64 compat_ro_flags;
206 __u64 incompat_flags;
207};
208
837d5b6e
ID		 209/* balance control ioctl modes */
210#define BTRFS_BALANCE_CTL_PAUSE 1
a7e99c69 211#define BTRFS_BALANCE_CTL_CANCEL 2
837d5b6e 212
c9e9f97b
ID		 213/*
214 * this is packed, because it should be exactly the same as its disk
215 * byte order counterpart (struct btrfs_disk_balance_args)
216 */
217struct btrfs_balance_args {
218 __u64 profiles;
bc309467
DS		 219 union {
220 __le64 usage;
221 struct {
222 __le32 usage_min;
223 __le32 usage_max;
224 };
225 };
c9e9f97b
ID		 226 __u64 devid;
227 __u64 pstart;
228 __u64 pend;
229 __u64 vstart;
230 __u64 vend;
231
232 __u64 target;
233
234 __u64 flags;
235
12907fc7
DS		 236 /*
237 * BTRFS_BALANCE_ARGS_LIMIT with value 'limit'
238 * BTRFS_BALANCE_ARGS_LIMIT_RANGE - the extend version can use minimum
239 * and maximum
240 */
241 union {
242 __u64 limit; /* limit number of processed chunks */
243 struct {
244 __u32 limit_min;
245 __u32 limit_max;
246 };
247 };
dee32d0a
GAP		 248
249 /*
250 * Process chunks that cross stripes_min..stripes_max devices,
251 * BTRFS_BALANCE_ARGS_STRIPES_RANGE
252 */
253 __le32 stripes_min;
254 __le32 stripes_max;
255
256 __u64 unused[6];
c9e9f97b
ID		 257} __attribute__ ((__packed__));
258
259/* report balance progress to userspace */
260struct btrfs_balance_progress {
261 __u64 expected; /* estimated # of chunks that will be
262 * relocated to fulfill the request */
263 __u64 considered; /* # of chunks we have considered so far */
264 __u64 completed; /* # of chunks relocated so far */
265};
266
837d5b6e
ID		 267#define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0)
268#define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1)
a7e99c69 269#define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2)
837d5b6e 270
c9e9f97b
ID		 271struct btrfs_ioctl_balance_args {
272 __u64 flags; /* in/out */
273 __u64 state; /* out */
274
275 struct btrfs_balance_args data; /* in/out */
276 struct btrfs_balance_args meta; /* in/out */
277 struct btrfs_balance_args sys; /* in/out */
278
279 struct btrfs_balance_progress stat; /* out */
280
281 __u64 unused[72]; /* pad to 1k */
282};
283
ac8e9819
CM		 284#define BTRFS_INO_LOOKUP_PATH_MAX 4080
285struct btrfs_ioctl_ino_lookup_args {
286 __u64 treeid;
287 __u64 objectid;
288 char name[BTRFS_INO_LOOKUP_PATH_MAX];
289};
290
291struct btrfs_ioctl_search_key {
292 /* which root are we searching. 0 is the tree of tree roots */
293 __u64 tree_id;
294
295 /* keys returned will be >= min and <= max */
296 __u64 min_objectid;
297 __u64 max_objectid;
298
299 /* keys returned will be >= min and <= max */
300 __u64 min_offset;
301 __u64 max_offset;
302
303 /* max and min transids to search for */
304 __u64 min_transid;
305 __u64 max_transid;
306
307 /* keys returned will be >= min and <= max */
308 __u32 min_type;
309 __u32 max_type;
310
311 /*
312 * how many items did userland ask for, and how many are we
313 * returning
314 */
315 __u32 nr_items;
316
317 /* align to 64 bits */
318 __u32 unused;
319
320 /* some extra for later */
321 __u64 unused1;
322 __u64 unused2;
323 __u64 unused3;
324 __u64 unused4;
325};
326
327struct btrfs_ioctl_search_header {
328 __u64 transid;
329 __u64 objectid;
330 __u64 offset;
331 __u32 type;
332 __u32 len;
333};
334
335#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
336/*
337 * the buf is an array of search headers where
338 * each header is followed by the actual item
339 * the type field is expanded to 32 bits for alignment
340 */
341struct btrfs_ioctl_search_args {
342 struct btrfs_ioctl_search_key key;
343 char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
344};
345
cc68a8a5
GH		 346struct btrfs_ioctl_search_args_v2 {
347 struct btrfs_ioctl_search_key key; /* in/out - search parameters */
348 __u64 buf_size; /* in - size of buffer
349 * out - on EOVERFLOW: needed size
350 * to store item */
351 __u64 buf[0]; /* out - found items */
352};
353
c071fcfd
CM		 354struct btrfs_ioctl_clone_range_args {
355 __s64 src_fd;
356 __u64 src_offset, src_length;
357 __u64 dest_offset;
358};
359
1e701a32
CM		 360/* flags for the defrag range ioctl */
361#define BTRFS_DEFRAG_RANGE_COMPRESS 1
362#define BTRFS_DEFRAG_RANGE_START_IO 2
363
416161db
MF		 364#define BTRFS_SAME_DATA_DIFFERS 1
365/* For extent-same ioctl */
366struct btrfs_ioctl_same_extent_info {
367 __s64 fd; /* in - destination file */
368 __u64 logical_offset; /* in - start of extent in destination */
369 __u64 bytes_deduped; /* out - total # of bytes we were able
370 * to dedupe from this file */
371 /* status of this dedupe operation:
372 * 0 if dedup succeeds
373 * < 0 for error
374 * == BTRFS_SAME_DATA_DIFFERS if data differs
375 */
376 __s32 status; /* out - see above description */
377 __u32 reserved;
378};
379
380struct btrfs_ioctl_same_args {
381 __u64 logical_offset; /* in - start of extent in source */
382 __u64 length; /* in - length of extent */
383 __u16 dest_count; /* in - total elements in info array */
384 __u16 reserved1;
385 __u32 reserved2;
386 struct btrfs_ioctl_same_extent_info info[0];
387};
388
1406e432 389struct btrfs_ioctl_space_info {
ce769a29
SW		 390 __u64 flags;
391 __u64 total_bytes;
392 __u64 used_bytes;
1406e432
JB		 393};
394
395struct btrfs_ioctl_space_args {
ce769a29
SW		 396 __u64 space_slots;
397 __u64 total_spaces;
1406e432
JB		 398 struct btrfs_ioctl_space_info spaces[0];
399};
1e701a32 400
a542ad1b
JS		 401struct btrfs_data_container {
402 __u32 bytes_left; /* out -- bytes not needed to deliver output */
403 __u32 bytes_missing; /* out -- additional bytes needed for result */
404 __u32 elem_cnt; /* out */
405 __u32 elem_missed; /* out */
740c3d22 406 __u64 val[0]; /* out */
a542ad1b
JS		 407};
408
d7728c96
JS		 409struct btrfs_ioctl_ino_path_args {
410 __u64 inum; /* in */
d04b1deb 411 __u64 size; /* in */
d7728c96 412 __u64 reserved[4];
740c3d22
CM		 413 /* struct btrfs_data_container *fspath; out */
414 __u64 fspath; /* out */
d7728c96
JS		 415};
416
417struct btrfs_ioctl_logical_ino_args {
418 __u64 logical; /* in */
d04b1deb 419 __u64 size; /* in */
d7728c96 420 __u64 reserved[4];
740c3d22
CM		 421 /* struct btrfs_data_container *inodes; out */
422 __u64 inodes;
d7728c96
JS		 423};
424
442a4f63
SB		 425enum btrfs_dev_stat_values {
426 /* disk I/O failure stats */
427 BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */
428 BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */
429 BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */
430
431 /* stats for indirect indications for I/O failures */
432 BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or
433 * contents is illegal: this is an
434 * indication that the block was damaged
435 * during read or write, or written to
436 * wrong location or read from wrong
437 * location */
438 BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not
439 * been written */
440
441 BTRFS_DEV_STAT_VALUES_MAX
442};
443
b27f7c0c
DS		 444/* Reset statistics after reading; needs SYS_ADMIN capability */
445#define BTRFS_DEV_STATS_RESET (1ULL << 0)
446
c11d2c23
SB		 447struct btrfs_ioctl_get_dev_stats {
448 __u64 devid; /* in */
449 __u64 nr_items; /* in/out */
b27f7c0c 450 __u64 flags; /* in/out */
c11d2c23
SB		 451
452 /* out values: */
453 __u64 values[BTRFS_DEV_STAT_VALUES_MAX];
454
455 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
456};
457
5d13a37b
AJ		 458#define BTRFS_QUOTA_CTL_ENABLE 1
459#define BTRFS_QUOTA_CTL_DISABLE 2
2f232036 460#define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
5d13a37b
AJ		 461struct btrfs_ioctl_quota_ctl_args {
462 __u64 cmd;
463 __u64 status;
464};
465
2f232036
JS		 466struct btrfs_ioctl_quota_rescan_args {
467 __u64 flags;
468 __u64 progress;
469 __u64 reserved[6];
470};
471
5d13a37b
AJ		 472struct btrfs_ioctl_qgroup_assign_args {
473 __u64 assign;
474 __u64 src;
475 __u64 dst;
476};
477
478struct btrfs_ioctl_qgroup_create_args {
479 __u64 create;
480 __u64 qgroupid;
481};
8ea05e3a
AB		 482struct btrfs_ioctl_timespec {
483 __u64 sec;
484 __u32 nsec;
485};
486
487struct btrfs_ioctl_received_subvol_args {
488 char uuid[BTRFS_UUID_SIZE]; /* in */
489 __u64 stransid; /* in */
490 __u64 rtransid; /* out */
491 struct btrfs_ioctl_timespec stime; /* in */
492 struct btrfs_ioctl_timespec rtime; /* out */
493 __u64 flags; /* in */
494 __u64 reserved[16]; /* in */
495};
496
cb95e7bf
MF		 497/*
498 * Caller doesn't want file data in the send stream, even if the
499 * search of clone sources doesn't find an extent. UPDATE_EXTENT
500 * commands will be sent instead of WRITE commands.
501 */
c2c71324
SB		 502#define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1
503
504/*
505 * Do not add the leading stream header. Used when multiple snapshots
506 * are sent back to back.
507 */
508#define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2
509
510/*
511 * Omit the command at the end of the stream that indicated the end
512 * of the stream. This option is used when multiple snapshots are
513 * sent back to back.
514 */
515#define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4
516
517#define BTRFS_SEND_FLAG_MASK \
518 (BTRFS_SEND_FLAG_NO_FILE_DATA | \
519 BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \
520 BTRFS_SEND_FLAG_OMIT_END_CMD)
cb95e7bf 521
31db9f7c
AB		 522struct btrfs_ioctl_send_args {
523 __s64 send_fd; /* in */
524 __u64 clone_sources_count; /* in */
525 __u64 __user *clone_sources; /* in */
526 __u64 parent_root; /* in */
527 __u64 flags; /* in */
528 __u64 reserved[4]; /* in */
529};
5d13a37b 530
183860f6
AJ		 531/* Error codes as returned by the kernel */
532enum btrfs_err_code {
eb710b15 533 BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1,
183860f6
AJ		 534 BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET,
535 BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET,
536 BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,
537 BTRFS_ERROR_DEV_TGT_REPLACE,
538 BTRFS_ERROR_DEV_MISSING_NOT_FOUND,
539 BTRFS_ERROR_DEV_ONLY_WRITABLE,
540 BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS
541};
542/* An error code to error string mapping for the kernel
543* error codes
544*/
545static inline char *btrfs_err_str(enum btrfs_err_code err_code)
546{
547 switch (err_code) {
548 case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET:
549 return "unable to go below two devices on raid1";
550 case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET:
551 return "unable to go below four devices on raid10";
552 case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET:
553 return "unable to go below two devices on raid5";
554 case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET:
555 return "unable to go below three devices on raid6";
556 case BTRFS_ERROR_DEV_TGT_REPLACE:
557 return "unable to remove the dev_replace target dev";
558 case BTRFS_ERROR_DEV_MISSING_NOT_FOUND:
559 return "no missing devices found to remove";
560 case BTRFS_ERROR_DEV_ONLY_WRITABLE:
561 return "unable to remove the only writeable device";
562 case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS:
563 return "add/delete/balance/replace/resize operation "\
564 "in progress";
565 default:
566 return NULL;
567 }
568}
569
c5739bba
CM		 570#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
571 struct btrfs_ioctl_vol_args)
6702ed49 572#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
8352d8a4 573 struct btrfs_ioctl_vol_args)
edbd8d4e
CM		 574#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
575 struct btrfs_ioctl_vol_args)
8a4b83cc
CM		 576#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
577 struct btrfs_ioctl_vol_args)
6bf13c0c
SW		 578/* trans start and trans end are dangerous, and only for
579 * use by applications that know how to avoid the
580 * resulting deadlocks
581 */
582#define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6)
583#define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7)
584#define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8)
585
f2eb0a24 586#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
788f20eb
CM		 587#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
588 struct btrfs_ioctl_vol_args)
589#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
590 struct btrfs_ioctl_vol_args)
591#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
592 struct btrfs_ioctl_vol_args)
c5c9cd4d
SW		 593
594#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
595 struct btrfs_ioctl_clone_range_args)
596
3de4586c
CM		 597#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
598 struct btrfs_ioctl_vol_args)
76dda93c
YZ		 599#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
600 struct btrfs_ioctl_vol_args)
1e701a32
CM		 601#define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
602 struct btrfs_ioctl_defrag_range_args)
ac8e9819
CM		 603#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
604 struct btrfs_ioctl_search_args)
cc68a8a5
GH		 605#define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
606 struct btrfs_ioctl_search_args_v2)
ac8e9819
CM		 607#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
608 struct btrfs_ioctl_ino_lookup_args)
68b823ef 609#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64)
1406e432
JB		 610#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
611 struct btrfs_ioctl_space_args)
46204592
SW		 612#define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
613#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
fdfb1e4f
LZ		 614#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
615 struct btrfs_ioctl_vol_args_v2)
6f72c7e2
AJ		 616#define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \
617 struct btrfs_ioctl_vol_args_v2)
d3a94048 618#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
0caa102d 619#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
475f6387
JS		 620#define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
621 struct btrfs_ioctl_scrub_args)
622#define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
623#define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
624 struct btrfs_ioctl_scrub_args)
625#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
626 struct btrfs_ioctl_dev_info_args)
627#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
628 struct btrfs_ioctl_fs_info_args)
c9e9f97b
ID		 629#define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \
630 struct btrfs_ioctl_balance_args)
837d5b6e 631#define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int)
19a39dce
ID		 632#define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \
633 struct btrfs_ioctl_balance_args)
d7728c96
JS		 634#define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \
635 struct btrfs_ioctl_ino_path_args)
636#define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \
637 struct btrfs_ioctl_ino_path_args)
8ea05e3a
AB		 638#define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \
639 struct btrfs_ioctl_received_subvol_args)
31db9f7c 640#define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args)
02db0844
JB		 641#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
642 struct btrfs_ioctl_vol_args)
5d13a37b
AJ		 643#define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
644 struct btrfs_ioctl_quota_ctl_args)
645#define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \
646 struct btrfs_ioctl_qgroup_assign_args)
647#define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \
648 struct btrfs_ioctl_qgroup_create_args)
649#define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
650 struct btrfs_ioctl_qgroup_limit_args)
2f232036
JS		 651#define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
652 struct btrfs_ioctl_quota_rescan_args)
653#define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
654 struct btrfs_ioctl_quota_rescan_args)
57254b6e 655#define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
867ab667 656#define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \
657 char[BTRFS_LABEL_SIZE])
a8bfd4ab 658#define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \
659 char[BTRFS_LABEL_SIZE])
c11d2c23
SB		 660#define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \
661 struct btrfs_ioctl_get_dev_stats)
e93c89c1
SB		 662#define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \
663 struct btrfs_ioctl_dev_replace_args)
416161db
MF		 664#define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \
665 struct btrfs_ioctl_same_args)
2eaa055f
JM		 666#define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
667 struct btrfs_ioctl_feature_flags)
668#define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \
669 struct btrfs_ioctl_feature_flags[2])
670#define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
671 struct btrfs_ioctl_feature_flags[3])
6b526ed7
AJ		 672#define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, \
673 struct btrfs_ioctl_vol_args_v2)
416161db 674
55e301fd 675#endif /* _UAPI_LINUX_BTRFS_H */
Linux 6.x block layer and io_uring tree(s)