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Btrfs: fix allocationg memory failure for btrfsic_state structure
[linux-2.6-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)
475f6387
JS		 39#define BTRFS_FSID_SIZE 16
40#define BTRFS_UUID_SIZE 16
b2373f25 41#define BTRFS_UUID_UNPARSED_SIZE 37
fdfb1e4f 42
bed92eae
AJ		 43#define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
44
45struct btrfs_qgroup_limit {
46 __u64 flags;
47 __u64 max_rfer;
48 __u64 max_excl;
49 __u64 rsv_rfer;
50 __u64 rsv_excl;
51};
52
53struct 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
62struct btrfs_ioctl_qgroup_limit_args {
63 __u64 qgroupid;
64 struct btrfs_qgroup_limit lim;
65};
66
fdfb1e4f
LZ		 67#define BTRFS_SUBVOL_NAME_MAX 4039
68struct btrfs_ioctl_vol_args_v2 {
72fd032e
SW		 69 __s64 fd;
70 __u64 transid;
fdfb1e4f 71 __u64 flags;
6f72c7e2
AJ		 72 union {
73 struct {
74 __u64 size;
75 struct btrfs_qgroup_inherit __user *qgroup_inherit;
76 };
77 __u64 unused[4];
78 };
fdfb1e4f 79 char name[BTRFS_SUBVOL_NAME_MAX + 1];
72fd032e
SW		 80};
81
a2de733c
AJ		 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 */
86struct 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
8628764e 119#define BTRFS_SCRUB_READONLY 1
475f6387
JS		 120struct 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
e93c89c1
SB		 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
132struct btrfs_ioctl_dev_replace_start_params {
133 __u64 srcdevid; /* in, if 0, use srcdev_name instead */
e93c89c1
SB		 134 __u64 cont_reading_from_srcdev_mode; /* in, see #define
135 * above */
3f6bcfbd
SB		 136 __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
137 __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
e93c89c1
SB		 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
145struct 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
160struct btrfs_ioctl_dev_replace_args {
161 __u64 cmd; /* in */
162 __u64 result; /* out */
163
164 union {
165 struct btrfs_ioctl_dev_replace_start_params start;
166 struct btrfs_ioctl_dev_replace_status_params status;
167 }; /* in/out */
168
169 __u64 spare[64];
170};
171
475f6387
JS		 172struct btrfs_ioctl_dev_info_args {
173 __u64 devid; /* in/out */
174 __u8 uuid[BTRFS_UUID_SIZE]; /* in/out */
175 __u64 bytes_used; /* out */
176 __u64 total_bytes; /* out */
177 __u64 unused[379]; /* pad to 4k */
178 __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
179};
180
181struct btrfs_ioctl_fs_info_args {
182 __u64 max_id; /* out */
183 __u64 num_devices; /* out */
184 __u8 fsid[BTRFS_FSID_SIZE]; /* out */
80a773fb
DS		 185 __u32 nodesize; /* out */
186 __u32 sectorsize; /* out */
187 __u32 clone_alignment; /* out */
188 __u32 reserved32;
189 __u64 reserved[122]; /* pad to 1k */
475f6387
JS		 190};
191
2eaa055f
JM		 192struct btrfs_ioctl_feature_flags {
193 __u64 compat_flags;
194 __u64 compat_ro_flags;
195 __u64 incompat_flags;
196};
197
837d5b6e
ID		 198/* balance control ioctl modes */
199#define BTRFS_BALANCE_CTL_PAUSE 1
a7e99c69 200#define BTRFS_BALANCE_CTL_CANCEL 2
837d5b6e 201
c9e9f97b
ID		 202/*
203 * this is packed, because it should be exactly the same as its disk
204 * byte order counterpart (struct btrfs_disk_balance_args)
205 */
206struct btrfs_balance_args {
207 __u64 profiles;
208 __u64 usage;
209 __u64 devid;
210 __u64 pstart;
211 __u64 pend;
212 __u64 vstart;
213 __u64 vend;
214
215 __u64 target;
216
217 __u64 flags;
218
7d824b6f
DS		 219 __u64 limit; /* limit number of processed chunks */
220 __u64 unused[7];
c9e9f97b
ID		 221} __attribute__ ((__packed__));
222
223/* report balance progress to userspace */
224struct btrfs_balance_progress {
225 __u64 expected; /* estimated # of chunks that will be
226 * relocated to fulfill the request */
227 __u64 considered; /* # of chunks we have considered so far */
228 __u64 completed; /* # of chunks relocated so far */
229};
230
837d5b6e
ID		 231#define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0)
232#define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1)
a7e99c69 233#define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2)
837d5b6e 234
c9e9f97b
ID		 235struct btrfs_ioctl_balance_args {
236 __u64 flags; /* in/out */
237 __u64 state; /* out */
238
239 struct btrfs_balance_args data; /* in/out */
240 struct btrfs_balance_args meta; /* in/out */
241 struct btrfs_balance_args sys; /* in/out */
242
243 struct btrfs_balance_progress stat; /* out */
244
245 __u64 unused[72]; /* pad to 1k */
246};
247
ac8e9819
CM		 248#define BTRFS_INO_LOOKUP_PATH_MAX 4080
249struct btrfs_ioctl_ino_lookup_args {
250 __u64 treeid;
251 __u64 objectid;
252 char name[BTRFS_INO_LOOKUP_PATH_MAX];
253};
254
255struct btrfs_ioctl_search_key {
256 /* which root are we searching. 0 is the tree of tree roots */
257 __u64 tree_id;
258
259 /* keys returned will be >= min and <= max */
260 __u64 min_objectid;
261 __u64 max_objectid;
262
263 /* keys returned will be >= min and <= max */
264 __u64 min_offset;
265 __u64 max_offset;
266
267 /* max and min transids to search for */
268 __u64 min_transid;
269 __u64 max_transid;
270
271 /* keys returned will be >= min and <= max */
272 __u32 min_type;
273 __u32 max_type;
274
275 /*
276 * how many items did userland ask for, and how many are we
277 * returning
278 */
279 __u32 nr_items;
280
281 /* align to 64 bits */
282 __u32 unused;
283
284 /* some extra for later */
285 __u64 unused1;
286 __u64 unused2;
287 __u64 unused3;
288 __u64 unused4;
289};
290
291struct btrfs_ioctl_search_header {
292 __u64 transid;
293 __u64 objectid;
294 __u64 offset;
295 __u32 type;
296 __u32 len;
297};
298
299#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
300/*
301 * the buf is an array of search headers where
302 * each header is followed by the actual item
303 * the type field is expanded to 32 bits for alignment
304 */
305struct btrfs_ioctl_search_args {
306 struct btrfs_ioctl_search_key key;
307 char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
308};
309
cc68a8a5
GH		 310struct btrfs_ioctl_search_args_v2 {
311 struct btrfs_ioctl_search_key key; /* in/out - search parameters */
312 __u64 buf_size; /* in - size of buffer
313 * out - on EOVERFLOW: needed size
314 * to store item */
315 __u64 buf[0]; /* out - found items */
316};
317
c071fcfd
CM		 318struct btrfs_ioctl_clone_range_args {
319 __s64 src_fd;
320 __u64 src_offset, src_length;
321 __u64 dest_offset;
322};
323
1e701a32
CM		 324/* flags for the defrag range ioctl */
325#define BTRFS_DEFRAG_RANGE_COMPRESS 1
326#define BTRFS_DEFRAG_RANGE_START_IO 2
327
416161db
MF		 328#define BTRFS_SAME_DATA_DIFFERS 1
329/* For extent-same ioctl */
330struct btrfs_ioctl_same_extent_info {
331 __s64 fd; /* in - destination file */
332 __u64 logical_offset; /* in - start of extent in destination */
333 __u64 bytes_deduped; /* out - total # of bytes we were able
334 * to dedupe from this file */
335 /* status of this dedupe operation:
336 * 0 if dedup succeeds
337 * < 0 for error
338 * == BTRFS_SAME_DATA_DIFFERS if data differs
339 */
340 __s32 status; /* out - see above description */
341 __u32 reserved;
342};
343
344struct btrfs_ioctl_same_args {
345 __u64 logical_offset; /* in - start of extent in source */
346 __u64 length; /* in - length of extent */
347 __u16 dest_count; /* in - total elements in info array */
348 __u16 reserved1;
349 __u32 reserved2;
350 struct btrfs_ioctl_same_extent_info info[0];
351};
352
1406e432 353struct btrfs_ioctl_space_info {
ce769a29
SW		 354 __u64 flags;
355 __u64 total_bytes;
356 __u64 used_bytes;
1406e432
JB		 357};
358
359struct btrfs_ioctl_space_args {
ce769a29
SW		 360 __u64 space_slots;
361 __u64 total_spaces;
1406e432
JB		 362 struct btrfs_ioctl_space_info spaces[0];
363};
1e701a32 364
a542ad1b
JS		 365struct btrfs_data_container {
366 __u32 bytes_left; /* out -- bytes not needed to deliver output */
367 __u32 bytes_missing; /* out -- additional bytes needed for result */
368 __u32 elem_cnt; /* out */
369 __u32 elem_missed; /* out */
740c3d22 370 __u64 val[0]; /* out */
a542ad1b
JS		 371};
372
d7728c96
JS		 373struct btrfs_ioctl_ino_path_args {
374 __u64 inum; /* in */
d04b1deb 375 __u64 size; /* in */
d7728c96 376 __u64 reserved[4];
740c3d22
CM		 377 /* struct btrfs_data_container *fspath; out */
378 __u64 fspath; /* out */
d7728c96
JS		 379};
380
381struct btrfs_ioctl_logical_ino_args {
382 __u64 logical; /* in */
d04b1deb 383 __u64 size; /* in */
d7728c96 384 __u64 reserved[4];
740c3d22
CM		 385 /* struct btrfs_data_container *inodes; out */
386 __u64 inodes;
d7728c96
JS		 387};
388
442a4f63
SB		 389enum btrfs_dev_stat_values {
390 /* disk I/O failure stats */
391 BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */
392 BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */
393 BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */
394
395 /* stats for indirect indications for I/O failures */
396 BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or
397 * contents is illegal: this is an
398 * indication that the block was damaged
399 * during read or write, or written to
400 * wrong location or read from wrong
401 * location */
402 BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not
403 * been written */
404
405 BTRFS_DEV_STAT_VALUES_MAX
406};
407
b27f7c0c
DS		 408/* Reset statistics after reading; needs SYS_ADMIN capability */
409#define BTRFS_DEV_STATS_RESET (1ULL << 0)
410
c11d2c23
SB		 411struct btrfs_ioctl_get_dev_stats {
412 __u64 devid; /* in */
413 __u64 nr_items; /* in/out */
b27f7c0c 414 __u64 flags; /* in/out */
c11d2c23
SB		 415
416 /* out values: */
417 __u64 values[BTRFS_DEV_STAT_VALUES_MAX];
418
419 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
420};
421
5d13a37b
AJ		 422#define BTRFS_QUOTA_CTL_ENABLE 1
423#define BTRFS_QUOTA_CTL_DISABLE 2
2f232036 424#define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
5d13a37b
AJ		 425struct btrfs_ioctl_quota_ctl_args {
426 __u64 cmd;
427 __u64 status;
428};
429
2f232036
JS		 430struct btrfs_ioctl_quota_rescan_args {
431 __u64 flags;
432 __u64 progress;
433 __u64 reserved[6];
434};
435
5d13a37b
AJ		 436struct btrfs_ioctl_qgroup_assign_args {
437 __u64 assign;
438 __u64 src;
439 __u64 dst;
440};
441
442struct btrfs_ioctl_qgroup_create_args {
443 __u64 create;
444 __u64 qgroupid;
445};
8ea05e3a
AB		 446struct btrfs_ioctl_timespec {
447 __u64 sec;
448 __u32 nsec;
449};
450
451struct btrfs_ioctl_received_subvol_args {
452 char uuid[BTRFS_UUID_SIZE]; /* in */
453 __u64 stransid; /* in */
454 __u64 rtransid; /* out */
455 struct btrfs_ioctl_timespec stime; /* in */
456 struct btrfs_ioctl_timespec rtime; /* out */
457 __u64 flags; /* in */
458 __u64 reserved[16]; /* in */
459};
460
cb95e7bf
MF		 461/*
462 * Caller doesn't want file data in the send stream, even if the
463 * search of clone sources doesn't find an extent. UPDATE_EXTENT
464 * commands will be sent instead of WRITE commands.
465 */
c2c71324
SB		 466#define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1
467
468/*
469 * Do not add the leading stream header. Used when multiple snapshots
470 * are sent back to back.
471 */
472#define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2
473
474/*
475 * Omit the command at the end of the stream that indicated the end
476 * of the stream. This option is used when multiple snapshots are
477 * sent back to back.
478 */
479#define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4
480
481#define BTRFS_SEND_FLAG_MASK \
482 (BTRFS_SEND_FLAG_NO_FILE_DATA | \
483 BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \
484 BTRFS_SEND_FLAG_OMIT_END_CMD)
cb95e7bf 485
31db9f7c
AB		 486struct btrfs_ioctl_send_args {
487 __s64 send_fd; /* in */
488 __u64 clone_sources_count; /* in */
489 __u64 __user *clone_sources; /* in */
490 __u64 parent_root; /* in */
491 __u64 flags; /* in */
492 __u64 reserved[4]; /* in */
493};
5d13a37b 494
183860f6
AJ		 495/* Error codes as returned by the kernel */
496enum btrfs_err_code {
497 notused,
498 BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET,
499 BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET,
500 BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET,
501 BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,
502 BTRFS_ERROR_DEV_TGT_REPLACE,
503 BTRFS_ERROR_DEV_MISSING_NOT_FOUND,
504 BTRFS_ERROR_DEV_ONLY_WRITABLE,
505 BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS
506};
507/* An error code to error string mapping for the kernel
508* error codes
509*/
510static inline char *btrfs_err_str(enum btrfs_err_code err_code)
511{
512 switch (err_code) {
513 case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET:
514 return "unable to go below two devices on raid1";
515 case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET:
516 return "unable to go below four devices on raid10";
517 case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET:
518 return "unable to go below two devices on raid5";
519 case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET:
520 return "unable to go below three devices on raid6";
521 case BTRFS_ERROR_DEV_TGT_REPLACE:
522 return "unable to remove the dev_replace target dev";
523 case BTRFS_ERROR_DEV_MISSING_NOT_FOUND:
524 return "no missing devices found to remove";
525 case BTRFS_ERROR_DEV_ONLY_WRITABLE:
526 return "unable to remove the only writeable device";
527 case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS:
528 return "add/delete/balance/replace/resize operation "\
529 "in progress";
530 default:
531 return NULL;
532 }
533}
534
c5739bba
CM		 535#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
536 struct btrfs_ioctl_vol_args)
6702ed49 537#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
8352d8a4 538 struct btrfs_ioctl_vol_args)
edbd8d4e
CM		 539#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
540 struct btrfs_ioctl_vol_args)
8a4b83cc
CM		 541#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
542 struct btrfs_ioctl_vol_args)
6bf13c0c
SW		 543/* trans start and trans end are dangerous, and only for
544 * use by applications that know how to avoid the
545 * resulting deadlocks
546 */
547#define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6)
548#define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7)
549#define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8)
550
f2eb0a24 551#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
788f20eb
CM		 552#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
553 struct btrfs_ioctl_vol_args)
554#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
555 struct btrfs_ioctl_vol_args)
556#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
557 struct btrfs_ioctl_vol_args)
c5c9cd4d
SW		 558
559#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
560 struct btrfs_ioctl_clone_range_args)
561
3de4586c
CM		 562#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
563 struct btrfs_ioctl_vol_args)
76dda93c
YZ		 564#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
565 struct btrfs_ioctl_vol_args)
1e701a32
CM		 566#define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
567 struct btrfs_ioctl_defrag_range_args)
ac8e9819
CM		 568#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
569 struct btrfs_ioctl_search_args)
cc68a8a5
GH		 570#define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
571 struct btrfs_ioctl_search_args_v2)
ac8e9819
CM		 572#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
573 struct btrfs_ioctl_ino_lookup_args)
68b823ef 574#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64)
1406e432
JB		 575#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
576 struct btrfs_ioctl_space_args)
46204592
SW		 577#define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
578#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
fdfb1e4f
LZ		 579#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
580 struct btrfs_ioctl_vol_args_v2)
6f72c7e2
AJ		 581#define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \
582 struct btrfs_ioctl_vol_args_v2)
d3a94048 583#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
0caa102d 584#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
475f6387
JS		 585#define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
586 struct btrfs_ioctl_scrub_args)
587#define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
588#define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
589 struct btrfs_ioctl_scrub_args)
590#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
591 struct btrfs_ioctl_dev_info_args)
592#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
593 struct btrfs_ioctl_fs_info_args)
c9e9f97b
ID		 594#define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \
595 struct btrfs_ioctl_balance_args)
837d5b6e 596#define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int)
19a39dce
ID		 597#define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \
598 struct btrfs_ioctl_balance_args)
d7728c96
JS		 599#define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \
600 struct btrfs_ioctl_ino_path_args)
601#define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \
602 struct btrfs_ioctl_ino_path_args)
8ea05e3a
AB		 603#define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \
604 struct btrfs_ioctl_received_subvol_args)
31db9f7c 605#define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args)
02db0844
JB		 606#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
607 struct btrfs_ioctl_vol_args)
5d13a37b
AJ		 608#define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
609 struct btrfs_ioctl_quota_ctl_args)
610#define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \
611 struct btrfs_ioctl_qgroup_assign_args)
612#define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \
613 struct btrfs_ioctl_qgroup_create_args)
614#define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
615 struct btrfs_ioctl_qgroup_limit_args)
2f232036
JS		 616#define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
617 struct btrfs_ioctl_quota_rescan_args)
618#define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
619 struct btrfs_ioctl_quota_rescan_args)
57254b6e 620#define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
867ab667 621#define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \
622 char[BTRFS_LABEL_SIZE])
a8bfd4ab 623#define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \
624 char[BTRFS_LABEL_SIZE])
c11d2c23
SB		 625#define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \
626 struct btrfs_ioctl_get_dev_stats)
e93c89c1
SB		 627#define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \
628 struct btrfs_ioctl_dev_replace_args)
416161db
MF		 629#define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \
630 struct btrfs_ioctl_same_args)
2eaa055f
JM		 631#define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
632 struct btrfs_ioctl_feature_flags)
633#define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \
634 struct btrfs_ioctl_feature_flags[2])
635#define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
636 struct btrfs_ioctl_feature_flags[3])
416161db 637
55e301fd 638#endif /* _UAPI_LINUX_BTRFS_H */
Linux 6.x block layer and io_uring tree(s)