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e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
6cbd5570 CM |
2 | /* |
3 | * Copyright (C) 2007 Oracle. All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public | |
7 | * License v2 as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public | |
15 | * License along with this program; if not, write to the | |
16 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | * Boston, MA 021110-1307, USA. | |
18 | */ | |
19 | ||
55e301fd FB |
20 | #ifndef _UAPI_LINUX_BTRFS_H |
21 | #define _UAPI_LINUX_BTRFS_H | |
22 | #include <linux/types.h> | |
c5739bba CM |
23 | #include <linux/ioctl.h> |
24 | ||
25 | #define BTRFS_IOCTL_MAGIC 0x94 | |
26 | #define BTRFS_VOL_NAME_MAX 255 | |
d4ae133b | 27 | #define BTRFS_LABEL_SIZE 256 |
8a4b83cc | 28 | |
c071fcfd | 29 | /* this should be 4k */ |
72fd032e | 30 | #define BTRFS_PATH_NAME_MAX 4087 |
c5739bba | 31 | struct btrfs_ioctl_vol_args { |
3de4586c | 32 | __s64 fd; |
8a4b83cc | 33 | char name[BTRFS_PATH_NAME_MAX + 1]; |
c5739bba CM |
34 | }; |
35 | ||
3f6bcfbd SB |
36 | #define BTRFS_DEVICE_PATH_NAME_MAX 1024 |
37 | ||
735654ea DS |
38 | #define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3) |
39 | ||
40 | #define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED \ | |
6b526ed7 AJ |
41 | (BTRFS_SUBVOL_CREATE_ASYNC | \ |
42 | BTRFS_SUBVOL_RDONLY | \ | |
43 | BTRFS_SUBVOL_QGROUP_INHERIT | \ | |
735654ea | 44 | BTRFS_DEVICE_SPEC_BY_ID) |
6b526ed7 | 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 | |
83288b60 JM |
50 | /* |
51 | * flags definition for qgroup limits | |
52 | * | |
53 | * Used by: | |
54 | * struct btrfs_qgroup_limit.flags | |
55 | * struct btrfs_qgroup_limit_item.flags | |
56 | */ | |
57 | #define BTRFS_QGROUP_LIMIT_MAX_RFER (1ULL << 0) | |
58 | #define BTRFS_QGROUP_LIMIT_MAX_EXCL (1ULL << 1) | |
59 | #define BTRFS_QGROUP_LIMIT_RSV_RFER (1ULL << 2) | |
60 | #define BTRFS_QGROUP_LIMIT_RSV_EXCL (1ULL << 3) | |
61 | #define BTRFS_QGROUP_LIMIT_RFER_CMPR (1ULL << 4) | |
62 | #define BTRFS_QGROUP_LIMIT_EXCL_CMPR (1ULL << 5) | |
bed92eae AJ |
63 | |
64 | struct btrfs_qgroup_limit { | |
65 | __u64 flags; | |
66 | __u64 max_rfer; | |
67 | __u64 max_excl; | |
68 | __u64 rsv_rfer; | |
69 | __u64 rsv_excl; | |
70 | }; | |
71 | ||
83288b60 JM |
72 | /* |
73 | * flags definition for qgroup inheritance | |
74 | * | |
75 | * Used by: | |
76 | * struct btrfs_qgroup_inherit.flags | |
77 | */ | |
78 | #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) | |
79 | ||
bed92eae AJ |
80 | struct btrfs_qgroup_inherit { |
81 | __u64 flags; | |
82 | __u64 num_qgroups; | |
83 | __u64 num_ref_copies; | |
84 | __u64 num_excl_copies; | |
85 | struct btrfs_qgroup_limit lim; | |
86 | __u64 qgroups[0]; | |
87 | }; | |
88 | ||
89 | struct btrfs_ioctl_qgroup_limit_args { | |
90 | __u64 qgroupid; | |
91 | struct btrfs_qgroup_limit lim; | |
92 | }; | |
93 | ||
884f6eca JM |
94 | /* |
95 | * flags for subvolumes | |
96 | * | |
97 | * Used by: | |
98 | * struct btrfs_ioctl_vol_args_v2.flags | |
99 | * | |
100 | * BTRFS_SUBVOL_RDONLY is also provided/consumed by the following ioctls: | |
101 | * - BTRFS_IOC_SUBVOL_GETFLAGS | |
102 | * - BTRFS_IOC_SUBVOL_SETFLAGS | |
103 | */ | |
104 | #define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) | |
105 | #define BTRFS_SUBVOL_RDONLY (1ULL << 1) | |
106 | #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) | |
107 | ||
fdfb1e4f LZ |
108 | #define BTRFS_SUBVOL_NAME_MAX 4039 |
109 | struct btrfs_ioctl_vol_args_v2 { | |
72fd032e SW |
110 | __s64 fd; |
111 | __u64 transid; | |
fdfb1e4f | 112 | __u64 flags; |
6f72c7e2 AJ |
113 | union { |
114 | struct { | |
115 | __u64 size; | |
116 | struct btrfs_qgroup_inherit __user *qgroup_inherit; | |
117 | }; | |
118 | __u64 unused[4]; | |
119 | }; | |
6b526ed7 AJ |
120 | union { |
121 | char name[BTRFS_SUBVOL_NAME_MAX + 1]; | |
1691cf16 | 122 | __u64 devid; |
6b526ed7 | 123 | }; |
72fd032e SW |
124 | }; |
125 | ||
a2de733c AJ |
126 | /* |
127 | * structure to report errors and progress to userspace, either as a | |
128 | * result of a finished scrub, a canceled scrub or a progress inquiry | |
129 | */ | |
130 | struct btrfs_scrub_progress { | |
131 | __u64 data_extents_scrubbed; /* # of data extents scrubbed */ | |
132 | __u64 tree_extents_scrubbed; /* # of tree extents scrubbed */ | |
133 | __u64 data_bytes_scrubbed; /* # of data bytes scrubbed */ | |
134 | __u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */ | |
135 | __u64 read_errors; /* # of read errors encountered (EIO) */ | |
136 | __u64 csum_errors; /* # of failed csum checks */ | |
137 | __u64 verify_errors; /* # of occurences, where the metadata | |
138 | * of a tree block did not match the | |
139 | * expected values, like generation or | |
140 | * logical */ | |
141 | __u64 no_csum; /* # of 4k data block for which no csum | |
142 | * is present, probably the result of | |
143 | * data written with nodatasum */ | |
144 | __u64 csum_discards; /* # of csum for which no data was found | |
145 | * in the extent tree. */ | |
146 | __u64 super_errors; /* # of bad super blocks encountered */ | |
147 | __u64 malloc_errors; /* # of internal kmalloc errors. These | |
148 | * will likely cause an incomplete | |
149 | * scrub */ | |
150 | __u64 uncorrectable_errors; /* # of errors where either no intact | |
151 | * copy was found or the writeback | |
152 | * failed */ | |
153 | __u64 corrected_errors; /* # of errors corrected */ | |
154 | __u64 last_physical; /* last physical address scrubbed. In | |
155 | * case a scrub was aborted, this can | |
156 | * be used to restart the scrub */ | |
157 | __u64 unverified_errors; /* # of occurences where a read for a | |
158 | * full (64k) bio failed, but the re- | |
159 | * check succeeded for each 4k piece. | |
160 | * Intermittent error. */ | |
161 | }; | |
162 | ||
8628764e | 163 | #define BTRFS_SCRUB_READONLY 1 |
475f6387 JS |
164 | struct btrfs_ioctl_scrub_args { |
165 | __u64 devid; /* in */ | |
166 | __u64 start; /* in */ | |
167 | __u64 end; /* in */ | |
168 | __u64 flags; /* in */ | |
169 | struct btrfs_scrub_progress progress; /* out */ | |
170 | /* pad to 1k */ | |
171 | __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8]; | |
172 | }; | |
173 | ||
e93c89c1 SB |
174 | #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0 |
175 | #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1 | |
176 | struct btrfs_ioctl_dev_replace_start_params { | |
177 | __u64 srcdevid; /* in, if 0, use srcdev_name instead */ | |
e93c89c1 SB |
178 | __u64 cont_reading_from_srcdev_mode; /* in, see #define |
179 | * above */ | |
3f6bcfbd SB |
180 | __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */ |
181 | __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */ | |
e93c89c1 SB |
182 | }; |
183 | ||
184 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0 | |
185 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1 | |
186 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2 | |
187 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3 | |
188 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4 | |
189 | struct btrfs_ioctl_dev_replace_status_params { | |
190 | __u64 replace_state; /* out, see #define above */ | |
191 | __u64 progress_1000; /* out, 0 <= x <= 1000 */ | |
192 | __u64 time_started; /* out, seconds since 1-Jan-1970 */ | |
193 | __u64 time_stopped; /* out, seconds since 1-Jan-1970 */ | |
194 | __u64 num_write_errors; /* out */ | |
195 | __u64 num_uncorrectable_read_errors; /* out */ | |
196 | }; | |
197 | ||
198 | #define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0 | |
199 | #define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1 | |
200 | #define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2 | |
201 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0 | |
202 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1 | |
203 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2 | |
2fc9f6ba | 204 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3 |
e93c89c1 SB |
205 | struct btrfs_ioctl_dev_replace_args { |
206 | __u64 cmd; /* in */ | |
207 | __u64 result; /* out */ | |
208 | ||
209 | union { | |
210 | struct btrfs_ioctl_dev_replace_start_params start; | |
211 | struct btrfs_ioctl_dev_replace_status_params status; | |
212 | }; /* in/out */ | |
213 | ||
214 | __u64 spare[64]; | |
215 | }; | |
216 | ||
475f6387 JS |
217 | struct btrfs_ioctl_dev_info_args { |
218 | __u64 devid; /* in/out */ | |
219 | __u8 uuid[BTRFS_UUID_SIZE]; /* in/out */ | |
220 | __u64 bytes_used; /* out */ | |
221 | __u64 total_bytes; /* out */ | |
222 | __u64 unused[379]; /* pad to 4k */ | |
223 | __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */ | |
224 | }; | |
225 | ||
226 | struct btrfs_ioctl_fs_info_args { | |
227 | __u64 max_id; /* out */ | |
228 | __u64 num_devices; /* out */ | |
229 | __u8 fsid[BTRFS_FSID_SIZE]; /* out */ | |
80a773fb DS |
230 | __u32 nodesize; /* out */ |
231 | __u32 sectorsize; /* out */ | |
232 | __u32 clone_alignment; /* out */ | |
233 | __u32 reserved32; | |
234 | __u64 reserved[122]; /* pad to 1k */ | |
475f6387 JS |
235 | }; |
236 | ||
18db9ac6 JM |
237 | /* |
238 | * feature flags | |
239 | * | |
240 | * Used by: | |
241 | * struct btrfs_ioctl_feature_flags | |
242 | */ | |
6675df31 OS |
243 | #define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0) |
244 | /* | |
245 | * Older kernels (< 4.9) on big-endian systems produced broken free space tree | |
246 | * bitmaps, and btrfs-progs also used to corrupt the free space tree (versions | |
247 | * < 4.7.3). If this bit is clear, then the free space tree cannot be trusted. | |
248 | * btrfs-progs can also intentionally clear this bit to ask the kernel to | |
249 | * rebuild the free space tree, however this might not work on older kernels | |
250 | * that do not know about this bit. If not sure, clear the cache manually on | |
251 | * first mount when booting older kernel versions. | |
252 | */ | |
253 | #define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID (1ULL << 1) | |
18db9ac6 JM |
254 | |
255 | #define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0) | |
256 | #define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1) | |
257 | #define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2) | |
258 | #define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3) | |
5c1aab1d | 259 | #define BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD (1ULL << 4) |
18db9ac6 JM |
260 | |
261 | /* | |
262 | * older kernels tried to do bigger metadata blocks, but the | |
263 | * code was pretty buggy. Lets not let them try anymore. | |
264 | */ | |
265 | #define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5) | |
266 | ||
267 | #define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6) | |
268 | #define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7) | |
269 | #define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) | |
270 | #define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) | |
271 | ||
2eaa055f JM |
272 | struct btrfs_ioctl_feature_flags { |
273 | __u64 compat_flags; | |
274 | __u64 compat_ro_flags; | |
275 | __u64 incompat_flags; | |
276 | }; | |
277 | ||
837d5b6e ID |
278 | /* balance control ioctl modes */ |
279 | #define BTRFS_BALANCE_CTL_PAUSE 1 | |
a7e99c69 | 280 | #define BTRFS_BALANCE_CTL_CANCEL 2 |
837d5b6e | 281 | |
c9e9f97b ID |
282 | /* |
283 | * this is packed, because it should be exactly the same as its disk | |
284 | * byte order counterpart (struct btrfs_disk_balance_args) | |
285 | */ | |
286 | struct btrfs_balance_args { | |
287 | __u64 profiles; | |
bc309467 | 288 | union { |
261cc2cc | 289 | __u64 usage; |
bc309467 | 290 | struct { |
261cc2cc HK |
291 | __u32 usage_min; |
292 | __u32 usage_max; | |
bc309467 DS |
293 | }; |
294 | }; | |
c9e9f97b ID |
295 | __u64 devid; |
296 | __u64 pstart; | |
297 | __u64 pend; | |
298 | __u64 vstart; | |
299 | __u64 vend; | |
300 | ||
301 | __u64 target; | |
302 | ||
303 | __u64 flags; | |
304 | ||
12907fc7 DS |
305 | /* |
306 | * BTRFS_BALANCE_ARGS_LIMIT with value 'limit' | |
307 | * BTRFS_BALANCE_ARGS_LIMIT_RANGE - the extend version can use minimum | |
308 | * and maximum | |
309 | */ | |
310 | union { | |
311 | __u64 limit; /* limit number of processed chunks */ | |
312 | struct { | |
313 | __u32 limit_min; | |
314 | __u32 limit_max; | |
315 | }; | |
316 | }; | |
dee32d0a GAP |
317 | |
318 | /* | |
319 | * Process chunks that cross stripes_min..stripes_max devices, | |
320 | * BTRFS_BALANCE_ARGS_STRIPES_RANGE | |
321 | */ | |
261cc2cc HK |
322 | __u32 stripes_min; |
323 | __u32 stripes_max; | |
dee32d0a GAP |
324 | |
325 | __u64 unused[6]; | |
c9e9f97b ID |
326 | } __attribute__ ((__packed__)); |
327 | ||
328 | /* report balance progress to userspace */ | |
329 | struct btrfs_balance_progress { | |
330 | __u64 expected; /* estimated # of chunks that will be | |
331 | * relocated to fulfill the request */ | |
332 | __u64 considered; /* # of chunks we have considered so far */ | |
333 | __u64 completed; /* # of chunks relocated so far */ | |
334 | }; | |
335 | ||
04cd01df JM |
336 | /* |
337 | * flags definition for balance | |
338 | * | |
339 | * Restriper's general type filter | |
340 | * | |
341 | * Used by: | |
342 | * btrfs_ioctl_balance_args.flags | |
343 | * btrfs_balance_control.flags (internal) | |
344 | */ | |
345 | #define BTRFS_BALANCE_DATA (1ULL << 0) | |
346 | #define BTRFS_BALANCE_SYSTEM (1ULL << 1) | |
347 | #define BTRFS_BALANCE_METADATA (1ULL << 2) | |
348 | ||
349 | #define BTRFS_BALANCE_TYPE_MASK (BTRFS_BALANCE_DATA | \ | |
350 | BTRFS_BALANCE_SYSTEM | \ | |
351 | BTRFS_BALANCE_METADATA) | |
352 | ||
353 | #define BTRFS_BALANCE_FORCE (1ULL << 3) | |
354 | #define BTRFS_BALANCE_RESUME (1ULL << 4) | |
355 | ||
356 | /* | |
357 | * flags definitions for per-type balance args | |
358 | * | |
359 | * Balance filters | |
360 | * | |
361 | * Used by: | |
362 | * struct btrfs_balance_args | |
363 | */ | |
364 | #define BTRFS_BALANCE_ARGS_PROFILES (1ULL << 0) | |
365 | #define BTRFS_BALANCE_ARGS_USAGE (1ULL << 1) | |
366 | #define BTRFS_BALANCE_ARGS_DEVID (1ULL << 2) | |
367 | #define BTRFS_BALANCE_ARGS_DRANGE (1ULL << 3) | |
368 | #define BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4) | |
369 | #define BTRFS_BALANCE_ARGS_LIMIT (1ULL << 5) | |
370 | #define BTRFS_BALANCE_ARGS_LIMIT_RANGE (1ULL << 6) | |
371 | #define BTRFS_BALANCE_ARGS_STRIPES_RANGE (1ULL << 7) | |
372 | #define BTRFS_BALANCE_ARGS_USAGE_RANGE (1ULL << 10) | |
373 | ||
374 | #define BTRFS_BALANCE_ARGS_MASK \ | |
375 | (BTRFS_BALANCE_ARGS_PROFILES | \ | |
376 | BTRFS_BALANCE_ARGS_USAGE | \ | |
377 | BTRFS_BALANCE_ARGS_DEVID | \ | |
378 | BTRFS_BALANCE_ARGS_DRANGE | \ | |
379 | BTRFS_BALANCE_ARGS_VRANGE | \ | |
380 | BTRFS_BALANCE_ARGS_LIMIT | \ | |
381 | BTRFS_BALANCE_ARGS_LIMIT_RANGE | \ | |
382 | BTRFS_BALANCE_ARGS_STRIPES_RANGE | \ | |
383 | BTRFS_BALANCE_ARGS_USAGE_RANGE) | |
384 | ||
385 | /* | |
386 | * Profile changing flags. When SOFT is set we won't relocate chunk if | |
387 | * it already has the target profile (even though it may be | |
388 | * half-filled). | |
389 | */ | |
390 | #define BTRFS_BALANCE_ARGS_CONVERT (1ULL << 8) | |
391 | #define BTRFS_BALANCE_ARGS_SOFT (1ULL << 9) | |
392 | ||
393 | ||
394 | /* | |
395 | * flags definition for balance state | |
396 | * | |
397 | * Used by: | |
398 | * struct btrfs_ioctl_balance_args.state | |
399 | */ | |
837d5b6e ID |
400 | #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0) |
401 | #define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1) | |
a7e99c69 | 402 | #define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2) |
837d5b6e | 403 | |
c9e9f97b ID |
404 | struct btrfs_ioctl_balance_args { |
405 | __u64 flags; /* in/out */ | |
406 | __u64 state; /* out */ | |
407 | ||
408 | struct btrfs_balance_args data; /* in/out */ | |
409 | struct btrfs_balance_args meta; /* in/out */ | |
410 | struct btrfs_balance_args sys; /* in/out */ | |
411 | ||
412 | struct btrfs_balance_progress stat; /* out */ | |
413 | ||
414 | __u64 unused[72]; /* pad to 1k */ | |
415 | }; | |
416 | ||
ac8e9819 CM |
417 | #define BTRFS_INO_LOOKUP_PATH_MAX 4080 |
418 | struct btrfs_ioctl_ino_lookup_args { | |
419 | __u64 treeid; | |
420 | __u64 objectid; | |
421 | char name[BTRFS_INO_LOOKUP_PATH_MAX]; | |
422 | }; | |
423 | ||
1a63143d | 424 | /* Search criteria for the btrfs SEARCH ioctl family. */ |
ac8e9819 | 425 | struct btrfs_ioctl_search_key { |
1a63143d HK |
426 | /* |
427 | * The tree we're searching in. 1 is the tree of tree roots, 2 is the | |
428 | * extent tree, etc... | |
429 | * | |
430 | * A special tree_id value of 0 will cause a search in the subvolume | |
431 | * tree that the inode which is passed to the ioctl is part of. | |
432 | */ | |
433 | __u64 tree_id; /* in */ | |
ac8e9819 | 434 | |
1a63143d HK |
435 | /* |
436 | * When doing a tree search, we're actually taking a slice from a | |
437 | * linear search space of 136-bit keys. | |
438 | * | |
439 | * A full 136-bit tree key is composed as: | |
440 | * (objectid << 72) + (type << 64) + offset | |
441 | * | |
442 | * The individual min and max values for objectid, type and offset | |
443 | * define the min_key and max_key values for the search range. All | |
444 | * metadata items with a key in the interval [min_key, max_key] will be | |
445 | * returned. | |
446 | * | |
447 | * Additionally, we can filter the items returned on transaction id of | |
448 | * the metadata block they're stored in by specifying a transid range. | |
449 | * Be aware that this transaction id only denotes when the metadata | |
450 | * page that currently contains the item got written the last time as | |
451 | * result of a COW operation. The number does not have any meaning | |
452 | * related to the transaction in which an individual item that is being | |
453 | * returned was created or changed. | |
454 | */ | |
455 | __u64 min_objectid; /* in */ | |
456 | __u64 max_objectid; /* in */ | |
457 | __u64 min_offset; /* in */ | |
458 | __u64 max_offset; /* in */ | |
459 | __u64 min_transid; /* in */ | |
460 | __u64 max_transid; /* in */ | |
461 | __u32 min_type; /* in */ | |
462 | __u32 max_type; /* in */ | |
ac8e9819 CM |
463 | |
464 | /* | |
1a63143d HK |
465 | * input: The maximum amount of results desired. |
466 | * output: The actual amount of items returned, restricted by any of: | |
467 | * - reaching the upper bound of the search range | |
468 | * - reaching the input nr_items amount of items | |
469 | * - completely filling the supplied memory buffer | |
ac8e9819 | 470 | */ |
1a63143d | 471 | __u32 nr_items; /* in/out */ |
ac8e9819 CM |
472 | |
473 | /* align to 64 bits */ | |
474 | __u32 unused; | |
475 | ||
476 | /* some extra for later */ | |
477 | __u64 unused1; | |
478 | __u64 unused2; | |
479 | __u64 unused3; | |
480 | __u64 unused4; | |
481 | }; | |
482 | ||
483 | struct btrfs_ioctl_search_header { | |
484 | __u64 transid; | |
485 | __u64 objectid; | |
486 | __u64 offset; | |
487 | __u32 type; | |
488 | __u32 len; | |
489 | }; | |
490 | ||
491 | #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key)) | |
492 | /* | |
493 | * the buf is an array of search headers where | |
494 | * each header is followed by the actual item | |
495 | * the type field is expanded to 32 bits for alignment | |
496 | */ | |
497 | struct btrfs_ioctl_search_args { | |
498 | struct btrfs_ioctl_search_key key; | |
499 | char buf[BTRFS_SEARCH_ARGS_BUFSIZE]; | |
500 | }; | |
501 | ||
cc68a8a5 GH |
502 | struct btrfs_ioctl_search_args_v2 { |
503 | struct btrfs_ioctl_search_key key; /* in/out - search parameters */ | |
504 | __u64 buf_size; /* in - size of buffer | |
505 | * out - on EOVERFLOW: needed size | |
506 | * to store item */ | |
507 | __u64 buf[0]; /* out - found items */ | |
508 | }; | |
509 | ||
c071fcfd CM |
510 | struct btrfs_ioctl_clone_range_args { |
511 | __s64 src_fd; | |
512 | __u64 src_offset, src_length; | |
513 | __u64 dest_offset; | |
514 | }; | |
515 | ||
33ca9133 JM |
516 | /* |
517 | * flags definition for the defrag range ioctl | |
518 | * | |
519 | * Used by: | |
520 | * struct btrfs_ioctl_defrag_range_args.flags | |
521 | */ | |
1e701a32 CM |
522 | #define BTRFS_DEFRAG_RANGE_COMPRESS 1 |
523 | #define BTRFS_DEFRAG_RANGE_START_IO 2 | |
33ca9133 JM |
524 | struct btrfs_ioctl_defrag_range_args { |
525 | /* start of the defrag operation */ | |
526 | __u64 start; | |
527 | ||
528 | /* number of bytes to defrag, use (u64)-1 to say all */ | |
529 | __u64 len; | |
530 | ||
531 | /* | |
532 | * flags for the operation, which can include turning | |
533 | * on compression for this one defrag | |
534 | */ | |
535 | __u64 flags; | |
536 | ||
537 | /* | |
538 | * any extent bigger than this will be considered | |
539 | * already defragged. Use 0 to take the kernel default | |
540 | * Use 1 to say every single extent must be rewritten | |
541 | */ | |
542 | __u32 extent_thresh; | |
543 | ||
544 | /* | |
545 | * which compression method to use if turning on compression | |
546 | * for this defrag operation. If unspecified, zlib will | |
547 | * be used | |
548 | */ | |
549 | __u32 compress_type; | |
550 | ||
551 | /* spare for later */ | |
552 | __u32 unused[4]; | |
553 | }; | |
554 | ||
1e701a32 | 555 | |
416161db MF |
556 | #define BTRFS_SAME_DATA_DIFFERS 1 |
557 | /* For extent-same ioctl */ | |
558 | struct btrfs_ioctl_same_extent_info { | |
559 | __s64 fd; /* in - destination file */ | |
560 | __u64 logical_offset; /* in - start of extent in destination */ | |
561 | __u64 bytes_deduped; /* out - total # of bytes we were able | |
562 | * to dedupe from this file */ | |
563 | /* status of this dedupe operation: | |
564 | * 0 if dedup succeeds | |
565 | * < 0 for error | |
566 | * == BTRFS_SAME_DATA_DIFFERS if data differs | |
567 | */ | |
568 | __s32 status; /* out - see above description */ | |
569 | __u32 reserved; | |
570 | }; | |
571 | ||
572 | struct btrfs_ioctl_same_args { | |
573 | __u64 logical_offset; /* in - start of extent in source */ | |
574 | __u64 length; /* in - length of extent */ | |
575 | __u16 dest_count; /* in - total elements in info array */ | |
576 | __u16 reserved1; | |
577 | __u32 reserved2; | |
578 | struct btrfs_ioctl_same_extent_info info[0]; | |
579 | }; | |
580 | ||
1406e432 | 581 | struct btrfs_ioctl_space_info { |
ce769a29 SW |
582 | __u64 flags; |
583 | __u64 total_bytes; | |
584 | __u64 used_bytes; | |
1406e432 JB |
585 | }; |
586 | ||
587 | struct btrfs_ioctl_space_args { | |
ce769a29 SW |
588 | __u64 space_slots; |
589 | __u64 total_spaces; | |
1406e432 JB |
590 | struct btrfs_ioctl_space_info spaces[0]; |
591 | }; | |
1e701a32 | 592 | |
a542ad1b JS |
593 | struct btrfs_data_container { |
594 | __u32 bytes_left; /* out -- bytes not needed to deliver output */ | |
595 | __u32 bytes_missing; /* out -- additional bytes needed for result */ | |
596 | __u32 elem_cnt; /* out */ | |
597 | __u32 elem_missed; /* out */ | |
740c3d22 | 598 | __u64 val[0]; /* out */ |
a542ad1b JS |
599 | }; |
600 | ||
d7728c96 JS |
601 | struct btrfs_ioctl_ino_path_args { |
602 | __u64 inum; /* in */ | |
d04b1deb | 603 | __u64 size; /* in */ |
d7728c96 | 604 | __u64 reserved[4]; |
740c3d22 CM |
605 | /* struct btrfs_data_container *fspath; out */ |
606 | __u64 fspath; /* out */ | |
d7728c96 JS |
607 | }; |
608 | ||
609 | struct btrfs_ioctl_logical_ino_args { | |
610 | __u64 logical; /* in */ | |
d04b1deb | 611 | __u64 size; /* in */ |
d24a67b2 ZB |
612 | __u64 reserved[3]; /* must be 0 for now */ |
613 | __u64 flags; /* in, v2 only */ | |
740c3d22 CM |
614 | /* struct btrfs_data_container *inodes; out */ |
615 | __u64 inodes; | |
d7728c96 | 616 | }; |
d24a67b2 ZB |
617 | /* Return every ref to the extent, not just those containing logical block. |
618 | * Requires logical == extent bytenr. */ | |
619 | #define BTRFS_LOGICAL_INO_ARGS_IGNORE_OFFSET (1ULL << 0) | |
d7728c96 | 620 | |
442a4f63 SB |
621 | enum btrfs_dev_stat_values { |
622 | /* disk I/O failure stats */ | |
623 | BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */ | |
624 | BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */ | |
625 | BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */ | |
626 | ||
627 | /* stats for indirect indications for I/O failures */ | |
628 | BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or | |
629 | * contents is illegal: this is an | |
630 | * indication that the block was damaged | |
631 | * during read or write, or written to | |
632 | * wrong location or read from wrong | |
633 | * location */ | |
634 | BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not | |
635 | * been written */ | |
636 | ||
637 | BTRFS_DEV_STAT_VALUES_MAX | |
638 | }; | |
639 | ||
b27f7c0c DS |
640 | /* Reset statistics after reading; needs SYS_ADMIN capability */ |
641 | #define BTRFS_DEV_STATS_RESET (1ULL << 0) | |
642 | ||
c11d2c23 SB |
643 | struct btrfs_ioctl_get_dev_stats { |
644 | __u64 devid; /* in */ | |
645 | __u64 nr_items; /* in/out */ | |
b27f7c0c | 646 | __u64 flags; /* in/out */ |
c11d2c23 SB |
647 | |
648 | /* out values: */ | |
649 | __u64 values[BTRFS_DEV_STAT_VALUES_MAX]; | |
650 | ||
651 | __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */ | |
652 | }; | |
653 | ||
5d13a37b AJ |
654 | #define BTRFS_QUOTA_CTL_ENABLE 1 |
655 | #define BTRFS_QUOTA_CTL_DISABLE 2 | |
2f232036 | 656 | #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3 |
5d13a37b AJ |
657 | struct btrfs_ioctl_quota_ctl_args { |
658 | __u64 cmd; | |
659 | __u64 status; | |
660 | }; | |
661 | ||
2f232036 JS |
662 | struct btrfs_ioctl_quota_rescan_args { |
663 | __u64 flags; | |
664 | __u64 progress; | |
665 | __u64 reserved[6]; | |
666 | }; | |
667 | ||
5d13a37b AJ |
668 | struct btrfs_ioctl_qgroup_assign_args { |
669 | __u64 assign; | |
670 | __u64 src; | |
671 | __u64 dst; | |
672 | }; | |
673 | ||
674 | struct btrfs_ioctl_qgroup_create_args { | |
675 | __u64 create; | |
676 | __u64 qgroupid; | |
677 | }; | |
8ea05e3a AB |
678 | struct btrfs_ioctl_timespec { |
679 | __u64 sec; | |
680 | __u32 nsec; | |
681 | }; | |
682 | ||
683 | struct btrfs_ioctl_received_subvol_args { | |
684 | char uuid[BTRFS_UUID_SIZE]; /* in */ | |
685 | __u64 stransid; /* in */ | |
686 | __u64 rtransid; /* out */ | |
687 | struct btrfs_ioctl_timespec stime; /* in */ | |
688 | struct btrfs_ioctl_timespec rtime; /* out */ | |
689 | __u64 flags; /* in */ | |
690 | __u64 reserved[16]; /* in */ | |
691 | }; | |
692 | ||
cb95e7bf MF |
693 | /* |
694 | * Caller doesn't want file data in the send stream, even if the | |
695 | * search of clone sources doesn't find an extent. UPDATE_EXTENT | |
696 | * commands will be sent instead of WRITE commands. | |
697 | */ | |
c2c71324 SB |
698 | #define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1 |
699 | ||
700 | /* | |
701 | * Do not add the leading stream header. Used when multiple snapshots | |
702 | * are sent back to back. | |
703 | */ | |
704 | #define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2 | |
705 | ||
706 | /* | |
707 | * Omit the command at the end of the stream that indicated the end | |
708 | * of the stream. This option is used when multiple snapshots are | |
709 | * sent back to back. | |
710 | */ | |
711 | #define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4 | |
712 | ||
713 | #define BTRFS_SEND_FLAG_MASK \ | |
714 | (BTRFS_SEND_FLAG_NO_FILE_DATA | \ | |
715 | BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \ | |
716 | BTRFS_SEND_FLAG_OMIT_END_CMD) | |
cb95e7bf | 717 | |
31db9f7c AB |
718 | struct btrfs_ioctl_send_args { |
719 | __s64 send_fd; /* in */ | |
720 | __u64 clone_sources_count; /* in */ | |
721 | __u64 __user *clone_sources; /* in */ | |
722 | __u64 parent_root; /* in */ | |
723 | __u64 flags; /* in */ | |
724 | __u64 reserved[4]; /* in */ | |
725 | }; | |
5d13a37b | 726 | |
183860f6 AJ |
727 | /* Error codes as returned by the kernel */ |
728 | enum btrfs_err_code { | |
eb710b15 | 729 | BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1, |
183860f6 AJ |
730 | BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET, |
731 | BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET, | |
732 | BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET, | |
733 | BTRFS_ERROR_DEV_TGT_REPLACE, | |
734 | BTRFS_ERROR_DEV_MISSING_NOT_FOUND, | |
735 | BTRFS_ERROR_DEV_ONLY_WRITABLE, | |
736 | BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS | |
737 | }; | |
183860f6 | 738 | |
c5739bba CM |
739 | #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ |
740 | struct btrfs_ioctl_vol_args) | |
6702ed49 | 741 | #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ |
8352d8a4 | 742 | struct btrfs_ioctl_vol_args) |
edbd8d4e CM |
743 | #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \ |
744 | struct btrfs_ioctl_vol_args) | |
8a4b83cc CM |
745 | #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \ |
746 | struct btrfs_ioctl_vol_args) | |
6bf13c0c SW |
747 | /* trans start and trans end are dangerous, and only for |
748 | * use by applications that know how to avoid the | |
749 | * resulting deadlocks | |
750 | */ | |
751 | #define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6) | |
752 | #define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7) | |
753 | #define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8) | |
754 | ||
f2eb0a24 | 755 | #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int) |
788f20eb CM |
756 | #define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \ |
757 | struct btrfs_ioctl_vol_args) | |
758 | #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \ | |
759 | struct btrfs_ioctl_vol_args) | |
760 | #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \ | |
761 | struct btrfs_ioctl_vol_args) | |
c5c9cd4d SW |
762 | |
763 | #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \ | |
764 | struct btrfs_ioctl_clone_range_args) | |
765 | ||
3de4586c CM |
766 | #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \ |
767 | struct btrfs_ioctl_vol_args) | |
76dda93c YZ |
768 | #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \ |
769 | struct btrfs_ioctl_vol_args) | |
1e701a32 CM |
770 | #define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \ |
771 | struct btrfs_ioctl_defrag_range_args) | |
ac8e9819 CM |
772 | #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \ |
773 | struct btrfs_ioctl_search_args) | |
cc68a8a5 GH |
774 | #define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \ |
775 | struct btrfs_ioctl_search_args_v2) | |
ac8e9819 CM |
776 | #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \ |
777 | struct btrfs_ioctl_ino_lookup_args) | |
68b823ef | 778 | #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64) |
1406e432 JB |
779 | #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \ |
780 | struct btrfs_ioctl_space_args) | |
46204592 SW |
781 | #define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64) |
782 | #define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64) | |
fdfb1e4f LZ |
783 | #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \ |
784 | struct btrfs_ioctl_vol_args_v2) | |
6f72c7e2 AJ |
785 | #define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \ |
786 | struct btrfs_ioctl_vol_args_v2) | |
d3a94048 | 787 | #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64) |
0caa102d | 788 | #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64) |
475f6387 JS |
789 | #define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \ |
790 | struct btrfs_ioctl_scrub_args) | |
791 | #define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28) | |
792 | #define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \ | |
793 | struct btrfs_ioctl_scrub_args) | |
794 | #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \ | |
795 | struct btrfs_ioctl_dev_info_args) | |
796 | #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \ | |
797 | struct btrfs_ioctl_fs_info_args) | |
c9e9f97b ID |
798 | #define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \ |
799 | struct btrfs_ioctl_balance_args) | |
837d5b6e | 800 | #define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int) |
19a39dce ID |
801 | #define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \ |
802 | struct btrfs_ioctl_balance_args) | |
d7728c96 JS |
803 | #define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \ |
804 | struct btrfs_ioctl_ino_path_args) | |
805 | #define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \ | |
7af7c616 | 806 | struct btrfs_ioctl_logical_ino_args) |
8ea05e3a AB |
807 | #define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \ |
808 | struct btrfs_ioctl_received_subvol_args) | |
31db9f7c | 809 | #define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args) |
02db0844 JB |
810 | #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \ |
811 | struct btrfs_ioctl_vol_args) | |
5d13a37b AJ |
812 | #define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \ |
813 | struct btrfs_ioctl_quota_ctl_args) | |
814 | #define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \ | |
815 | struct btrfs_ioctl_qgroup_assign_args) | |
816 | #define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \ | |
817 | struct btrfs_ioctl_qgroup_create_args) | |
818 | #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \ | |
819 | struct btrfs_ioctl_qgroup_limit_args) | |
2f232036 JS |
820 | #define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \ |
821 | struct btrfs_ioctl_quota_rescan_args) | |
822 | #define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \ | |
823 | struct btrfs_ioctl_quota_rescan_args) | |
57254b6e | 824 | #define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46) |
867ab667 | 825 | #define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \ |
826 | char[BTRFS_LABEL_SIZE]) | |
a8bfd4ab | 827 | #define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \ |
828 | char[BTRFS_LABEL_SIZE]) | |
c11d2c23 SB |
829 | #define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \ |
830 | struct btrfs_ioctl_get_dev_stats) | |
e93c89c1 SB |
831 | #define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \ |
832 | struct btrfs_ioctl_dev_replace_args) | |
416161db MF |
833 | #define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \ |
834 | struct btrfs_ioctl_same_args) | |
2eaa055f JM |
835 | #define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \ |
836 | struct btrfs_ioctl_feature_flags) | |
837 | #define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \ | |
838 | struct btrfs_ioctl_feature_flags[2]) | |
839 | #define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \ | |
840 | struct btrfs_ioctl_feature_flags[3]) | |
6b526ed7 AJ |
841 | #define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, \ |
842 | struct btrfs_ioctl_vol_args_v2) | |
d24a67b2 ZB |
843 | #define BTRFS_IOC_LOGICAL_INO_V2 _IOWR(BTRFS_IOCTL_MAGIC, 59, \ |
844 | struct btrfs_ioctl_logical_ino_args) | |
416161db | 845 | |
55e301fd | 846 | #endif /* _UAPI_LINUX_BTRFS_H */ |