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 _UAPI_LINUX_BTRFS_H
20 #define _UAPI_LINUX_BTRFS_H
21 #include <linux/types.h>
22 #include <linux/ioctl.h>
24 #define BTRFS_IOCTL_MAGIC 0x94
25 #define BTRFS_VOL_NAME_MAX 255
27 /* this should be 4k */
28 #define BTRFS_PATH_NAME_MAX 4087
29 struct btrfs_ioctl_vol_args {
31 char name[BTRFS_PATH_NAME_MAX + 1];
34 #define BTRFS_DEVICE_PATH_NAME_MAX 1024
36 #define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
37 #define BTRFS_SUBVOL_RDONLY (1ULL << 1)
38 #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2)
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 | \
46 #define BTRFS_FSID_SIZE 16
47 #define BTRFS_UUID_SIZE 16
48 #define BTRFS_UUID_UNPARSED_SIZE 37
50 #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
52 struct btrfs_qgroup_limit {
60 struct btrfs_qgroup_inherit {
64 __u64 num_excl_copies;
65 struct btrfs_qgroup_limit lim;
69 struct btrfs_ioctl_qgroup_limit_args {
71 struct btrfs_qgroup_limit lim;
74 #define BTRFS_SUBVOL_NAME_MAX 4039
75 struct btrfs_ioctl_vol_args_v2 {
82 struct btrfs_qgroup_inherit __user *qgroup_inherit;
87 char name[BTRFS_SUBVOL_NAME_MAX + 1];
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
96 struct 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
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
116 __u64 uncorrectable_errors; /* # of errors where either no intact
117 * copy was found or the writeback
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. */
129 #define BTRFS_SCRUB_READONLY 1
130 struct btrfs_ioctl_scrub_args {
131 __u64 devid; /* in */
132 __u64 start; /* in */
134 __u64 flags; /* in */
135 struct btrfs_scrub_progress progress; /* out */
137 __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
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
142 struct btrfs_ioctl_dev_replace_start_params {
143 __u64 srcdevid; /* in, if 0, use srcdev_name instead */
144 __u64 cont_reading_from_srcdev_mode; /* in, see #define
146 __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
147 __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
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
155 struct 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 */
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
170 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3
171 struct btrfs_ioctl_dev_replace_args {
173 __u64 result; /* out */
176 struct btrfs_ioctl_dev_replace_start_params start;
177 struct btrfs_ioctl_dev_replace_status_params status;
183 struct 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 */
192 struct btrfs_ioctl_fs_info_args {
193 __u64 max_id; /* out */
194 __u64 num_devices; /* out */
195 __u8 fsid[BTRFS_FSID_SIZE]; /* out */
196 __u32 nodesize; /* out */
197 __u32 sectorsize; /* out */
198 __u32 clone_alignment; /* out */
200 __u64 reserved[122]; /* pad to 1k */
203 struct btrfs_ioctl_feature_flags {
205 __u64 compat_ro_flags;
206 __u64 incompat_flags;
209 /* balance control ioctl modes */
210 #define BTRFS_BALANCE_CTL_PAUSE 1
211 #define BTRFS_BALANCE_CTL_CANCEL 2
214 * this is packed, because it should be exactly the same as its disk
215 * byte order counterpart (struct btrfs_disk_balance_args)
217 struct btrfs_balance_args {
237 * BTRFS_BALANCE_ARGS_LIMIT with value 'limit'
238 * BTRFS_BALANCE_ARGS_LIMIT_RANGE - the extend version can use minimum
242 __u64 limit; /* limit number of processed chunks */
250 * Process chunks that cross stripes_min..stripes_max devices,
251 * BTRFS_BALANCE_ARGS_STRIPES_RANGE
257 } __attribute__ ((__packed__));
259 /* report balance progress to userspace */
260 struct 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 */
267 #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0)
268 #define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1)
269 #define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2)
271 struct btrfs_ioctl_balance_args {
272 __u64 flags; /* in/out */
273 __u64 state; /* out */
275 struct btrfs_balance_args data; /* in/out */
276 struct btrfs_balance_args meta; /* in/out */
277 struct btrfs_balance_args sys; /* in/out */
279 struct btrfs_balance_progress stat; /* out */
281 __u64 unused[72]; /* pad to 1k */
284 #define BTRFS_INO_LOOKUP_PATH_MAX 4080
285 struct btrfs_ioctl_ino_lookup_args {
288 char name[BTRFS_INO_LOOKUP_PATH_MAX];
291 struct btrfs_ioctl_search_key {
292 /* which root are we searching. 0 is the tree of tree roots */
295 /* keys returned will be >= min and <= max */
299 /* keys returned will be >= min and <= max */
303 /* max and min transids to search for */
307 /* keys returned will be >= min and <= max */
312 * how many items did userland ask for, and how many are we
317 /* align to 64 bits */
320 /* some extra for later */
327 struct btrfs_ioctl_search_header {
335 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
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
341 struct btrfs_ioctl_search_args {
342 struct btrfs_ioctl_search_key key;
343 char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
346 struct 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
351 __u64 buf[0]; /* out - found items */
354 struct btrfs_ioctl_clone_range_args {
356 __u64 src_offset, src_length;
360 /* flags for the defrag range ioctl */
361 #define BTRFS_DEFRAG_RANGE_COMPRESS 1
362 #define BTRFS_DEFRAG_RANGE_START_IO 2
364 #define BTRFS_SAME_DATA_DIFFERS 1
365 /* For extent-same ioctl */
366 struct 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
374 * == BTRFS_SAME_DATA_DIFFERS if data differs
376 __s32 status; /* out - see above description */
380 struct 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 */
386 struct btrfs_ioctl_same_extent_info info[0];
389 struct btrfs_ioctl_space_info {
395 struct btrfs_ioctl_space_args {
398 struct btrfs_ioctl_space_info spaces[0];
401 struct 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 */
406 __u64 val[0]; /* out */
409 struct btrfs_ioctl_ino_path_args {
413 /* struct btrfs_data_container *fspath; out */
414 __u64 fspath; /* out */
417 struct btrfs_ioctl_logical_ino_args {
418 __u64 logical; /* in */
421 /* struct btrfs_data_container *inodes; out */
425 enum 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 */
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
438 BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not
441 BTRFS_DEV_STAT_VALUES_MAX
444 /* Reset statistics after reading; needs SYS_ADMIN capability */
445 #define BTRFS_DEV_STATS_RESET (1ULL << 0)
447 struct btrfs_ioctl_get_dev_stats {
448 __u64 devid; /* in */
449 __u64 nr_items; /* in/out */
450 __u64 flags; /* in/out */
453 __u64 values[BTRFS_DEV_STAT_VALUES_MAX];
455 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
458 #define BTRFS_QUOTA_CTL_ENABLE 1
459 #define BTRFS_QUOTA_CTL_DISABLE 2
460 #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
461 struct btrfs_ioctl_quota_ctl_args {
466 struct btrfs_ioctl_quota_rescan_args {
472 struct btrfs_ioctl_qgroup_assign_args {
478 struct btrfs_ioctl_qgroup_create_args {
482 struct btrfs_ioctl_timespec {
487 struct 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 */
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.
502 #define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1
505 * Do not add the leading stream header. Used when multiple snapshots
506 * are sent back to back.
508 #define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2
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
515 #define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4
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)
522 struct 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 */
531 /* Error codes as returned by the kernel */
532 enum btrfs_err_code {
533 BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1,
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
542 /* An error code to error string mapping for the kernel
545 static inline char *btrfs_err_str(enum btrfs_err_code 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 "\
570 #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
571 struct btrfs_ioctl_vol_args)
572 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
573 struct btrfs_ioctl_vol_args)
574 #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
575 struct btrfs_ioctl_vol_args)
576 #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
577 struct btrfs_ioctl_vol_args)
578 /* trans start and trans end are dangerous, and only for
579 * use by applications that know how to avoid the
580 * resulting deadlocks
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)
586 #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
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)
594 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
595 struct btrfs_ioctl_clone_range_args)
597 #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
598 struct btrfs_ioctl_vol_args)
599 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
600 struct btrfs_ioctl_vol_args)
601 #define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
602 struct btrfs_ioctl_defrag_range_args)
603 #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
604 struct btrfs_ioctl_search_args)
605 #define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
606 struct btrfs_ioctl_search_args_v2)
607 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
608 struct btrfs_ioctl_ino_lookup_args)
609 #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64)
610 #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
611 struct btrfs_ioctl_space_args)
612 #define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
613 #define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
614 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
615 struct btrfs_ioctl_vol_args_v2)
616 #define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \
617 struct btrfs_ioctl_vol_args_v2)
618 #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
619 #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
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)
629 #define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \
630 struct btrfs_ioctl_balance_args)
631 #define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int)
632 #define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \
633 struct btrfs_ioctl_balance_args)
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)
638 #define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \
639 struct btrfs_ioctl_received_subvol_args)
640 #define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args)
641 #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
642 struct btrfs_ioctl_vol_args)
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)
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)
655 #define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
656 #define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \
657 char[BTRFS_LABEL_SIZE])
658 #define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \
659 char[BTRFS_LABEL_SIZE])
660 #define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \
661 struct btrfs_ioctl_get_dev_stats)
662 #define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \
663 struct btrfs_ioctl_dev_replace_args)
664 #define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \
665 struct btrfs_ioctl_same_args)
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])
672 #define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, \
673 struct btrfs_ioctl_vol_args_v2)
675 #endif /* _UAPI_LINUX_BTRFS_H */