2 * Copyright (C) 2007 Oracle. All rights reserved.
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.
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.
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.
19 #ifndef __BTRFS_IOCTL_H__
20 #define __BTRFS_IOCTL_H__
26 #include <asm/types.h>
27 #include <linux/ioctl.h>
33 #define BTRFS_IOCTL_MAGIC 0x94
34 #define BTRFS_VOL_NAME_MAX 255
36 /* this should be 4k */
37 #define BTRFS_PATH_NAME_MAX 4087
38 struct btrfs_ioctl_vol_args {
40 char name[BTRFS_PATH_NAME_MAX + 1];
43 #define BTRFS_DEVICE_PATH_NAME_MAX 1024
45 #define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
46 #define BTRFS_SUBVOL_RDONLY (1ULL << 1)
47 #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2)
48 #define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3)
50 #define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED \
51 (BTRFS_SUBVOL_CREATE_ASYNC | \
52 BTRFS_SUBVOL_RDONLY | \
53 BTRFS_SUBVOL_QGROUP_INHERIT | \
54 BTRFS_DEVICE_SPEC_BY_ID)
56 #define BTRFS_FSID_SIZE 16
57 #define BTRFS_UUID_SIZE 16
59 #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
61 struct btrfs_qgroup_limit {
69 struct btrfs_qgroup_inherit {
73 __u64 num_excl_copies;
74 struct btrfs_qgroup_limit lim;
78 struct btrfs_ioctl_qgroup_limit_args {
80 struct btrfs_qgroup_limit lim;
83 #define BTRFS_SUBVOL_NAME_MAX 4039
84 struct btrfs_ioctl_vol_args_v2 {
91 struct btrfs_qgroup_inherit __user *qgroup_inherit;
96 char name[BTRFS_SUBVOL_NAME_MAX + 1];
102 * structure to report errors and progress to userspace, either as a
103 * result of a finished scrub, a canceled scrub or a progress inquiry
105 struct btrfs_scrub_progress {
106 __u64 data_extents_scrubbed; /* # of data extents scrubbed */
107 __u64 tree_extents_scrubbed; /* # of tree extents scrubbed */
108 __u64 data_bytes_scrubbed; /* # of data bytes scrubbed */
109 __u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */
110 __u64 read_errors; /* # of read errors encountered (EIO) */
111 __u64 csum_errors; /* # of failed csum checks */
112 __u64 verify_errors; /* # of occurences, where the metadata
113 * of a tree block did not match the
114 * expected values, like generation or
116 __u64 no_csum; /* # of 4k data block for which no csum
117 * is present, probably the result of
118 * data written with nodatasum */
119 __u64 csum_discards; /* # of csum for which no data was found
120 * in the extent tree. */
121 __u64 super_errors; /* # of bad super blocks encountered */
122 __u64 malloc_errors; /* # of internal kmalloc errors. These
123 * will likely cause an incomplete
125 __u64 uncorrectable_errors; /* # of errors where either no intact
126 * copy was found or the writeback
128 __u64 corrected_errors; /* # of errors corrected */
129 __u64 last_physical; /* last physical address scrubbed. In
130 * case a scrub was aborted, this can
131 * be used to restart the scrub */
132 __u64 unverified_errors; /* # of occurences where a read for a
133 * full (64k) bio failed, but the re-
134 * check succeeded for each 4k piece.
135 * Intermittent error. */
138 #define BTRFS_SCRUB_READONLY 1
139 struct btrfs_ioctl_scrub_args {
140 __u64 devid; /* in */
141 __u64 start; /* in */
143 __u64 flags; /* in */
144 struct btrfs_scrub_progress progress; /* out */
146 __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
149 #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0
150 #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1
151 struct btrfs_ioctl_dev_replace_start_params {
152 __u64 srcdevid; /* in, if 0, use srcdev_name instead */
153 __u64 cont_reading_from_srcdev_mode; /* in, see #define
155 __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
156 __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
159 #define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0
160 #define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1
161 #define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2
162 #define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3
163 #define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4
164 struct btrfs_ioctl_dev_replace_status_params {
165 __u64 replace_state; /* out, see #define above */
166 __u64 progress_1000; /* out, 0 <= x <= 1000 */
167 __u64 time_started; /* out, seconds since 1-Jan-1970 */
168 __u64 time_stopped; /* out, seconds since 1-Jan-1970 */
169 __u64 num_write_errors; /* out */
170 __u64 num_uncorrectable_read_errors; /* out */
173 #define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0
174 #define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1
175 #define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2
176 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_RESULT -1
177 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0
178 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1
179 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2
180 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3
181 struct btrfs_ioctl_dev_replace_args {
183 __u64 result; /* out */
186 struct btrfs_ioctl_dev_replace_start_params start;
187 struct btrfs_ioctl_dev_replace_status_params status;
193 struct btrfs_ioctl_dev_info_args {
194 __u64 devid; /* in/out */
195 __u8 uuid[BTRFS_UUID_SIZE]; /* in/out */
196 __u64 bytes_used; /* out */
197 __u64 total_bytes; /* out */
198 __u64 unused[379]; /* pad to 4k */
199 __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
202 struct btrfs_ioctl_fs_info_args {
203 __u64 max_id; /* out */
204 __u64 num_devices; /* out */
205 __u8 fsid[BTRFS_FSID_SIZE]; /* out */
206 __u32 nodesize; /* out */
207 __u32 sectorsize; /* out */
208 __u32 clone_alignment; /* out */
210 __u64 reserved[122]; /* pad to 1k */
213 struct btrfs_ioctl_feature_flags {
215 __u64 compat_ro_flags;
216 __u64 incompat_flags;
219 /* balance control ioctl modes */
220 #define BTRFS_BALANCE_CTL_PAUSE 1
221 #define BTRFS_BALANCE_CTL_CANCEL 2
222 #define BTRFS_BALANCE_CTL_RESUME 3
225 * this is packed, because it should be exactly the same as its disk
226 * byte order counterpart (struct btrfs_disk_balance_args)
228 struct btrfs_balance_args {
233 * BTRFS_BALANCE_ARGS_USAGE with a single value means '0..N'
234 * BTRFS_BALANCE_ARGS_USAGE_RANGE - range syntax, min..max
255 * BTRFS_BALANCE_ARGS_LIMIT with value 'limit'
256 * BTRFS_BALANCE_ARGS_LIMIT_RANGE - the extend version can use minimum
260 __u64 limit; /* limit number of processed chunks */
269 } __attribute__ ((__packed__));
271 /* report balance progress to userspace */
272 struct btrfs_balance_progress {
273 __u64 expected; /* estimated # of chunks that will be
274 * relocated to fulfill the request */
275 __u64 considered; /* # of chunks we have considered so far */
276 __u64 completed; /* # of chunks relocated so far */
279 #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0)
280 #define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1)
281 #define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2)
283 struct btrfs_ioctl_balance_args {
284 __u64 flags; /* in/out */
285 __u64 state; /* out */
287 struct btrfs_balance_args data; /* in/out */
288 struct btrfs_balance_args meta; /* in/out */
289 struct btrfs_balance_args sys; /* in/out */
291 struct btrfs_balance_progress stat; /* out */
293 __u64 unused[72]; /* pad to 1k */
296 #define BTRFS_INO_LOOKUP_PATH_MAX 4080
297 struct btrfs_ioctl_ino_lookup_args {
300 char name[BTRFS_INO_LOOKUP_PATH_MAX];
303 struct btrfs_ioctl_search_key {
304 /* which root are we searching. 0 is the tree of tree roots */
307 /* keys returned will be >= min and <= max */
311 /* keys returned will be >= min and <= max */
315 /* max and min transids to search for */
319 /* keys returned will be >= min and <= max */
324 * how many items did userland ask for, and how many are we
329 /* align to 64 bits */
332 /* some extra for later */
339 struct btrfs_ioctl_search_header {
345 } __attribute__((may_alias));
347 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
349 * the buf is an array of search headers where
350 * each header is followed by the actual item
351 * the type field is expanded to 32 bits for alignment
353 struct btrfs_ioctl_search_args {
354 struct btrfs_ioctl_search_key key;
355 char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
359 * Extended version of TREE_SEARCH ioctl that can return more than 4k of bytes.
360 * The allocated size of the buffer is set in buf_size.
362 struct btrfs_ioctl_search_args_v2 {
363 struct btrfs_ioctl_search_key key; /* in/out - search parameters */
364 __u64 buf_size; /* in - size of buffer
365 * out - on EOVERFLOW: needed size
367 __u64 buf[0]; /* out - found items */
370 /* With a @src_length of zero, the range from @src_offset->EOF is cloned! */
371 struct btrfs_ioctl_clone_range_args {
373 __u64 src_offset, src_length;
377 /* flags for the defrag range ioctl */
378 #define BTRFS_DEFRAG_RANGE_COMPRESS 1
379 #define BTRFS_DEFRAG_RANGE_START_IO 2
381 #define BTRFS_SAME_DATA_DIFFERS 1
382 /* For extent-same ioctl */
383 struct btrfs_ioctl_same_extent_info {
384 __s64 fd; /* in - destination file */
385 __u64 logical_offset; /* in - start of extent in destination */
386 __u64 bytes_deduped; /* out - total # of bytes we were able
387 * to dedupe from this file */
388 /* status of this dedupe operation:
389 * 0 if dedup succeeds
391 * == BTRFS_SAME_DATA_DIFFERS if data differs
393 __s32 status; /* out - see above description */
397 struct btrfs_ioctl_same_args {
398 __u64 logical_offset; /* in - start of extent in source */
399 __u64 length; /* in - length of extent */
400 __u16 dest_count; /* in - total elements in info array */
403 struct btrfs_ioctl_same_extent_info info[0];
406 struct btrfs_ioctl_defrag_range_args {
407 /* start of the defrag operation */
410 /* number of bytes to defrag, use (u64)-1 to say all */
414 * flags for the operation, which can include turning
415 * on compression for this one defrag
420 * any extent bigger than this will be considered
421 * already defragged. Use 0 to take the kernel default
422 * Use 1 to say every single extent must be rewritten
427 * which compression method to use if turning on compression
428 * for this defrag operation. If unspecified, zlib will
433 /* spare for later */
437 struct btrfs_ioctl_space_info {
443 struct btrfs_ioctl_space_args {
446 struct btrfs_ioctl_space_info spaces[0];
449 struct btrfs_data_container {
450 __u32 bytes_left; /* out -- bytes not needed to deliver output */
451 __u32 bytes_missing; /* out -- additional bytes needed for result */
452 __u32 elem_cnt; /* out */
453 __u32 elem_missed; /* out */
454 __u64 val[0]; /* out */
457 struct btrfs_ioctl_ino_path_args {
461 /* struct btrfs_data_container *fspath; out */
462 __u64 fspath; /* out */
465 struct btrfs_ioctl_logical_ino_args {
466 __u64 logical; /* in */
469 /* struct btrfs_data_container *inodes; out */
473 enum btrfs_dev_stat_values {
474 /* disk I/O failure stats */
475 BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */
476 BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */
477 BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */
479 /* stats for indirect indications for I/O failures */
480 BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or
481 * contents is illegal: this is an
482 * indication that the block was damaged
483 * during read or write, or written to
484 * wrong location or read from wrong
486 BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not
489 BTRFS_DEV_STAT_VALUES_MAX
492 /* Reset statistics after reading; needs SYS_ADMIN capability */
493 #define BTRFS_DEV_STATS_RESET (1ULL << 0)
495 struct btrfs_ioctl_get_dev_stats {
496 __u64 devid; /* in */
497 __u64 nr_items; /* in/out */
498 __u64 flags; /* in/out */
501 __u64 values[BTRFS_DEV_STAT_VALUES_MAX];
503 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
506 /* BTRFS_IOC_SNAP_CREATE is no longer used by the btrfs command */
507 #define BTRFS_QUOTA_CTL_ENABLE 1
508 #define BTRFS_QUOTA_CTL_DISABLE 2
509 /* 3 has formerly been reserved for BTRFS_QUOTA_CTL_RESCAN */
510 struct btrfs_ioctl_quota_ctl_args {
515 struct btrfs_ioctl_quota_rescan_args {
521 struct btrfs_ioctl_qgroup_assign_args {
527 struct btrfs_ioctl_qgroup_create_args {
531 struct btrfs_ioctl_timespec {
536 struct btrfs_ioctl_received_subvol_args {
537 char uuid[BTRFS_UUID_SIZE]; /* in */
538 __u64 stransid; /* in */
539 __u64 rtransid; /* out */
540 struct btrfs_ioctl_timespec stime; /* in */
541 struct btrfs_ioctl_timespec rtime; /* out */
542 __u64 flags; /* in */
543 __u64 reserved[16]; /* in */
547 * Caller doesn't want file data in the send stream, even if the
548 * search of clone sources doesn't find an extent. UPDATE_EXTENT
549 * commands will be sent instead of WRITE commands.
551 #define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1
554 * Do not add the leading stream header. Used when multiple snapshots
555 * are sent back to back.
557 #define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2
560 * Omit the command at the end of the stream that indicated the end
561 * of the stream. This option is used when multiple snapshots are
564 #define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4
566 #define BTRFS_SEND_FLAG_MASK \
567 (BTRFS_SEND_FLAG_NO_FILE_DATA | \
568 BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \
569 BTRFS_SEND_FLAG_OMIT_END_CMD)
571 struct btrfs_ioctl_send_args {
572 __s64 send_fd; /* in */
573 __u64 clone_sources_count; /* in */
574 __u64 __user *clone_sources; /* in */
575 __u64 parent_root; /* in */
576 __u64 flags; /* in */
577 __u64 reserved[4]; /* in */
580 /* Error codes as returned by the kernel */
581 enum btrfs_err_code {
583 BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET,
584 BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET,
585 BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET,
586 BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,
587 BTRFS_ERROR_DEV_TGT_REPLACE,
588 BTRFS_ERROR_DEV_MISSING_NOT_FOUND,
589 BTRFS_ERROR_DEV_ONLY_WRITABLE,
590 BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS
593 /* An error code to error string mapping for the kernel
596 static inline char *btrfs_err_str(enum btrfs_err_code err_code)
599 case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET:
600 return "unable to go below two devices on raid1";
601 case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET:
602 return "unable to go below four devices on raid10";
603 case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET:
604 return "unable to go below two devices on raid5";
605 case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET:
606 return "unable to go below three devices on raid6";
607 case BTRFS_ERROR_DEV_TGT_REPLACE:
608 return "unable to remove the dev_replace target dev";
609 case BTRFS_ERROR_DEV_MISSING_NOT_FOUND:
610 return "no missing devices found to remove";
611 case BTRFS_ERROR_DEV_ONLY_WRITABLE:
612 return "unable to remove the only writeable device";
613 case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS:
614 return "add/delete/balance/replace/resize operation "
621 #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
622 struct btrfs_ioctl_vol_args)
623 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
624 struct btrfs_ioctl_vol_args)
625 #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
626 struct btrfs_ioctl_vol_args)
627 #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
628 struct btrfs_ioctl_vol_args)
629 /* trans start and trans end are dangerous, and only for
630 * use by applications that know how to avoid the
631 * resulting deadlocks
633 #define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6)
634 #define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7)
635 #define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8)
637 #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
638 #define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
639 struct btrfs_ioctl_vol_args)
640 #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
641 struct btrfs_ioctl_vol_args)
642 #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
643 struct btrfs_ioctl_vol_args)
645 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
646 struct btrfs_ioctl_clone_range_args)
648 #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
649 struct btrfs_ioctl_vol_args)
650 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
651 struct btrfs_ioctl_vol_args)
652 #define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
653 struct btrfs_ioctl_defrag_range_args)
654 #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
655 struct btrfs_ioctl_search_args)
656 #define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
657 struct btrfs_ioctl_search_args_v2)
658 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
659 struct btrfs_ioctl_ino_lookup_args)
660 #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64)
661 #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
662 struct btrfs_ioctl_space_args)
663 #define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
664 #define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
665 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
666 struct btrfs_ioctl_vol_args_v2)
667 #define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \
668 struct btrfs_ioctl_vol_args_v2)
669 #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
670 #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
671 #define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
672 struct btrfs_ioctl_scrub_args)
673 #define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
674 #define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
675 struct btrfs_ioctl_scrub_args)
676 #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
677 struct btrfs_ioctl_dev_info_args)
678 #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
679 struct btrfs_ioctl_fs_info_args)
680 #define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \
681 struct btrfs_ioctl_balance_args)
682 #define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int)
683 #define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \
684 struct btrfs_ioctl_balance_args)
685 #define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \
686 struct btrfs_ioctl_ino_path_args)
687 #define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \
688 struct btrfs_ioctl_ino_path_args)
689 #define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \
690 struct btrfs_ioctl_received_subvol_args)
691 #define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args)
692 #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
693 struct btrfs_ioctl_vol_args)
694 #define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
695 struct btrfs_ioctl_quota_ctl_args)
696 #define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \
697 struct btrfs_ioctl_qgroup_assign_args)
698 #define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \
699 struct btrfs_ioctl_qgroup_create_args)
700 #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
701 struct btrfs_ioctl_qgroup_limit_args)
702 #define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
703 struct btrfs_ioctl_quota_rescan_args)
704 #define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
705 struct btrfs_ioctl_quota_rescan_args)
706 #define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
707 #define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \
708 char[BTRFS_LABEL_SIZE])
709 #define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \
710 char[BTRFS_LABEL_SIZE])
711 #define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \
712 struct btrfs_ioctl_get_dev_stats)
713 #define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \
714 struct btrfs_ioctl_dev_replace_args)
715 #define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \
716 struct btrfs_ioctl_same_args)
717 #define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
718 struct btrfs_ioctl_feature_flags)
719 #define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \
720 struct btrfs_ioctl_feature_flags[2])
721 #define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
722 struct btrfs_ioctl_feature_flags[3])
723 #define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, \
724 struct btrfs_ioctl_vol_args_v2)