blob: 731e2875ab93900b0f623797642f371b2f042e2f [file] [log] [blame]
Chris Mason6cbd5572007-06-12 09:07:21 -04001/*
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
Chris Masonc5739bb2007-04-10 09:27:04 -040019#ifndef __IOCTL_
20#define __IOCTL_
21#include <linux/ioctl.h>
22
23#define BTRFS_IOCTL_MAGIC 0x94
24#define BTRFS_VOL_NAME_MAX 255
Chris Mason8a4b83c2008-03-24 15:02:07 -040025
Chris Masonc071fcf2009-01-16 11:59:08 -050026/* this should be 4k */
Sage Weil72fd0322010-10-29 15:41:32 -040027#define BTRFS_PATH_NAME_MAX 4087
Chris Masonc5739bb2007-04-10 09:27:04 -040028struct btrfs_ioctl_vol_args {
Chris Mason3de45862008-11-17 21:02:50 -050029 __s64 fd;
Chris Mason8a4b83c2008-03-24 15:02:07 -040030 char name[BTRFS_PATH_NAME_MAX + 1];
Chris Masonc5739bb2007-04-10 09:27:04 -040031};
32
Li Zefanfdfb1e42010-12-10 06:41:56 +000033#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
Li Zefanb83cc962010-12-20 16:04:08 +080034#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
Arne Jansen6f72c7e2011-09-14 15:58:21 +020035#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2)
Jan Schmidt475f6382011-03-11 15:41:01 +010036#define BTRFS_FSID_SIZE 16
37#define BTRFS_UUID_SIZE 16
Li Zefanfdfb1e42010-12-10 06:41:56 +000038
Arne Jansenbed92ea2012-06-28 18:03:02 +020039#define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
40
41struct btrfs_qgroup_limit {
42 __u64 flags;
43 __u64 max_rfer;
44 __u64 max_excl;
45 __u64 rsv_rfer;
46 __u64 rsv_excl;
47};
48
49struct btrfs_qgroup_inherit {
50 __u64 flags;
51 __u64 num_qgroups;
52 __u64 num_ref_copies;
53 __u64 num_excl_copies;
54 struct btrfs_qgroup_limit lim;
55 __u64 qgroups[0];
56};
57
58struct btrfs_ioctl_qgroup_limit_args {
59 __u64 qgroupid;
60 struct btrfs_qgroup_limit lim;
61};
62
Li Zefanfdfb1e42010-12-10 06:41:56 +000063#define BTRFS_SUBVOL_NAME_MAX 4039
64struct btrfs_ioctl_vol_args_v2 {
Sage Weil72fd0322010-10-29 15:41:32 -040065 __s64 fd;
66 __u64 transid;
Li Zefanfdfb1e42010-12-10 06:41:56 +000067 __u64 flags;
Arne Jansen6f72c7e2011-09-14 15:58:21 +020068 union {
69 struct {
70 __u64 size;
71 struct btrfs_qgroup_inherit __user *qgroup_inherit;
72 };
73 __u64 unused[4];
74 };
Li Zefanfdfb1e42010-12-10 06:41:56 +000075 char name[BTRFS_SUBVOL_NAME_MAX + 1];
Sage Weil72fd0322010-10-29 15:41:32 -040076};
77
Arne Jansena2de7332011-03-08 14:14:00 +010078/*
79 * structure to report errors and progress to userspace, either as a
80 * result of a finished scrub, a canceled scrub or a progress inquiry
81 */
82struct btrfs_scrub_progress {
83 __u64 data_extents_scrubbed; /* # of data extents scrubbed */
84 __u64 tree_extents_scrubbed; /* # of tree extents scrubbed */
85 __u64 data_bytes_scrubbed; /* # of data bytes scrubbed */
86 __u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */
87 __u64 read_errors; /* # of read errors encountered (EIO) */
88 __u64 csum_errors; /* # of failed csum checks */
89 __u64 verify_errors; /* # of occurences, where the metadata
90 * of a tree block did not match the
91 * expected values, like generation or
92 * logical */
93 __u64 no_csum; /* # of 4k data block for which no csum
94 * is present, probably the result of
95 * data written with nodatasum */
96 __u64 csum_discards; /* # of csum for which no data was found
97 * in the extent tree. */
98 __u64 super_errors; /* # of bad super blocks encountered */
99 __u64 malloc_errors; /* # of internal kmalloc errors. These
100 * will likely cause an incomplete
101 * scrub */
102 __u64 uncorrectable_errors; /* # of errors where either no intact
103 * copy was found or the writeback
104 * failed */
105 __u64 corrected_errors; /* # of errors corrected */
106 __u64 last_physical; /* last physical address scrubbed. In
107 * case a scrub was aborted, this can
108 * be used to restart the scrub */
109 __u64 unverified_errors; /* # of occurences where a read for a
110 * full (64k) bio failed, but the re-
111 * check succeeded for each 4k piece.
112 * Intermittent error. */
113};
114
Arne Jansen86287642011-03-23 16:34:19 +0100115#define BTRFS_SCRUB_READONLY 1
Jan Schmidt475f6382011-03-11 15:41:01 +0100116struct btrfs_ioctl_scrub_args {
117 __u64 devid; /* in */
118 __u64 start; /* in */
119 __u64 end; /* in */
120 __u64 flags; /* in */
121 struct btrfs_scrub_progress progress; /* out */
122 /* pad to 1k */
123 __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
124};
125
126#define BTRFS_DEVICE_PATH_NAME_MAX 1024
127struct btrfs_ioctl_dev_info_args {
128 __u64 devid; /* in/out */
129 __u8 uuid[BTRFS_UUID_SIZE]; /* in/out */
130 __u64 bytes_used; /* out */
131 __u64 total_bytes; /* out */
132 __u64 unused[379]; /* pad to 4k */
133 __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
134};
135
136struct btrfs_ioctl_fs_info_args {
137 __u64 max_id; /* out */
138 __u64 num_devices; /* out */
139 __u8 fsid[BTRFS_FSID_SIZE]; /* out */
140 __u64 reserved[124]; /* pad to 1k */
141};
142
Ilya Dryomov837d5b62012-01-16 22:04:49 +0200143/* balance control ioctl modes */
144#define BTRFS_BALANCE_CTL_PAUSE 1
Ilya Dryomova7e99c62012-01-16 22:04:49 +0200145#define BTRFS_BALANCE_CTL_CANCEL 2
Ilya Dryomov837d5b62012-01-16 22:04:49 +0200146
Ilya Dryomovc9e9f972012-01-16 22:04:47 +0200147/*
148 * this is packed, because it should be exactly the same as its disk
149 * byte order counterpart (struct btrfs_disk_balance_args)
150 */
151struct btrfs_balance_args {
152 __u64 profiles;
153 __u64 usage;
154 __u64 devid;
155 __u64 pstart;
156 __u64 pend;
157 __u64 vstart;
158 __u64 vend;
159
160 __u64 target;
161
162 __u64 flags;
163
164 __u64 unused[8];
165} __attribute__ ((__packed__));
166
167/* report balance progress to userspace */
168struct btrfs_balance_progress {
169 __u64 expected; /* estimated # of chunks that will be
170 * relocated to fulfill the request */
171 __u64 considered; /* # of chunks we have considered so far */
172 __u64 completed; /* # of chunks relocated so far */
173};
174
Ilya Dryomov837d5b62012-01-16 22:04:49 +0200175#define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0)
176#define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1)
Ilya Dryomova7e99c62012-01-16 22:04:49 +0200177#define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2)
Ilya Dryomov837d5b62012-01-16 22:04:49 +0200178
Ilya Dryomovc9e9f972012-01-16 22:04:47 +0200179struct btrfs_ioctl_balance_args {
180 __u64 flags; /* in/out */
181 __u64 state; /* out */
182
183 struct btrfs_balance_args data; /* in/out */
184 struct btrfs_balance_args meta; /* in/out */
185 struct btrfs_balance_args sys; /* in/out */
186
187 struct btrfs_balance_progress stat; /* out */
188
189 __u64 unused[72]; /* pad to 1k */
190};
191
Chris Masonac8e9812010-02-28 15:39:26 -0500192#define BTRFS_INO_LOOKUP_PATH_MAX 4080
193struct btrfs_ioctl_ino_lookup_args {
194 __u64 treeid;
195 __u64 objectid;
196 char name[BTRFS_INO_LOOKUP_PATH_MAX];
197};
198
199struct btrfs_ioctl_search_key {
200 /* which root are we searching. 0 is the tree of tree roots */
201 __u64 tree_id;
202
203 /* keys returned will be >= min and <= max */
204 __u64 min_objectid;
205 __u64 max_objectid;
206
207 /* keys returned will be >= min and <= max */
208 __u64 min_offset;
209 __u64 max_offset;
210
211 /* max and min transids to search for */
212 __u64 min_transid;
213 __u64 max_transid;
214
215 /* keys returned will be >= min and <= max */
216 __u32 min_type;
217 __u32 max_type;
218
219 /*
220 * how many items did userland ask for, and how many are we
221 * returning
222 */
223 __u32 nr_items;
224
225 /* align to 64 bits */
226 __u32 unused;
227
228 /* some extra for later */
229 __u64 unused1;
230 __u64 unused2;
231 __u64 unused3;
232 __u64 unused4;
233};
234
235struct btrfs_ioctl_search_header {
236 __u64 transid;
237 __u64 objectid;
238 __u64 offset;
239 __u32 type;
240 __u32 len;
241};
242
243#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
244/*
245 * the buf is an array of search headers where
246 * each header is followed by the actual item
247 * the type field is expanded to 32 bits for alignment
248 */
249struct btrfs_ioctl_search_args {
250 struct btrfs_ioctl_search_key key;
251 char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
252};
253
Chris Masonc071fcf2009-01-16 11:59:08 -0500254struct btrfs_ioctl_clone_range_args {
255 __s64 src_fd;
256 __u64 src_offset, src_length;
257 __u64 dest_offset;
258};
259
Chris Mason1e701a32010-03-11 09:42:04 -0500260/* flags for the defrag range ioctl */
261#define BTRFS_DEFRAG_RANGE_COMPRESS 1
262#define BTRFS_DEFRAG_RANGE_START_IO 2
263
Josef Bacik1406e432010-01-13 18:19:06 +0000264struct btrfs_ioctl_space_info {
Sage Weilce769a22010-03-16 00:02:26 +0000265 __u64 flags;
266 __u64 total_bytes;
267 __u64 used_bytes;
Josef Bacik1406e432010-01-13 18:19:06 +0000268};
269
270struct btrfs_ioctl_space_args {
Sage Weilce769a22010-03-16 00:02:26 +0000271 __u64 space_slots;
272 __u64 total_spaces;
Josef Bacik1406e432010-01-13 18:19:06 +0000273 struct btrfs_ioctl_space_info spaces[0];
274};
Chris Mason1e701a32010-03-11 09:42:04 -0500275
Jan Schmidta542ad12011-06-13 19:52:59 +0200276struct btrfs_data_container {
277 __u32 bytes_left; /* out -- bytes not needed to deliver output */
278 __u32 bytes_missing; /* out -- additional bytes needed for result */
279 __u32 elem_cnt; /* out */
280 __u32 elem_missed; /* out */
Chris Mason740c3d22011-11-02 15:48:34 -0400281 __u64 val[0]; /* out */
Jan Schmidta542ad12011-06-13 19:52:59 +0200282};
283
Jan Schmidtd7728c92011-07-07 16:48:38 +0200284struct btrfs_ioctl_ino_path_args {
285 __u64 inum; /* in */
Alexander Blockd04b1de2012-05-04 15:16:06 -0400286 __u64 size; /* in */
Jan Schmidtd7728c92011-07-07 16:48:38 +0200287 __u64 reserved[4];
Chris Mason740c3d22011-11-02 15:48:34 -0400288 /* struct btrfs_data_container *fspath; out */
289 __u64 fspath; /* out */
Jan Schmidtd7728c92011-07-07 16:48:38 +0200290};
291
292struct btrfs_ioctl_logical_ino_args {
293 __u64 logical; /* in */
Alexander Blockd04b1de2012-05-04 15:16:06 -0400294 __u64 size; /* in */
Jan Schmidtd7728c92011-07-07 16:48:38 +0200295 __u64 reserved[4];
Chris Mason740c3d22011-11-02 15:48:34 -0400296 /* struct btrfs_data_container *inodes; out */
297 __u64 inodes;
Jan Schmidtd7728c92011-07-07 16:48:38 +0200298};
299
Stefan Behrens442a4f62012-05-25 16:06:08 +0200300enum btrfs_dev_stat_values {
301 /* disk I/O failure stats */
302 BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */
303 BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */
304 BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */
305
306 /* stats for indirect indications for I/O failures */
307 BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or
308 * contents is illegal: this is an
309 * indication that the block was damaged
310 * during read or write, or written to
311 * wrong location or read from wrong
312 * location */
313 BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not
314 * been written */
315
316 BTRFS_DEV_STAT_VALUES_MAX
317};
318
David Sterbab27f7c02012-06-22 06:30:39 -0600319/* Reset statistics after reading; needs SYS_ADMIN capability */
320#define BTRFS_DEV_STATS_RESET (1ULL << 0)
321
Stefan Behrensc11d2c22012-05-25 16:06:09 +0200322struct btrfs_ioctl_get_dev_stats {
323 __u64 devid; /* in */
324 __u64 nr_items; /* in/out */
David Sterbab27f7c02012-06-22 06:30:39 -0600325 __u64 flags; /* in/out */
Stefan Behrensc11d2c22012-05-25 16:06:09 +0200326
327 /* out values: */
328 __u64 values[BTRFS_DEV_STAT_VALUES_MAX];
329
330 __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
331};
332
Arne Jansen5d13a372011-09-14 15:53:51 +0200333#define BTRFS_QUOTA_CTL_ENABLE 1
334#define BTRFS_QUOTA_CTL_DISABLE 2
335#define BTRFS_QUOTA_CTL_RESCAN 3
336struct btrfs_ioctl_quota_ctl_args {
337 __u64 cmd;
338 __u64 status;
339};
340
341struct btrfs_ioctl_qgroup_assign_args {
342 __u64 assign;
343 __u64 src;
344 __u64 dst;
345};
346
347struct btrfs_ioctl_qgroup_create_args {
348 __u64 create;
349 __u64 qgroupid;
350};
Alexander Block8ea05e32012-07-25 17:35:53 +0200351struct btrfs_ioctl_timespec {
352 __u64 sec;
353 __u32 nsec;
354};
355
356struct btrfs_ioctl_received_subvol_args {
357 char uuid[BTRFS_UUID_SIZE]; /* in */
358 __u64 stransid; /* in */
359 __u64 rtransid; /* out */
360 struct btrfs_ioctl_timespec stime; /* in */
361 struct btrfs_ioctl_timespec rtime; /* out */
362 __u64 flags; /* in */
363 __u64 reserved[16]; /* in */
364};
365
Alexander Block31db9f72012-07-25 23:19:24 +0200366struct btrfs_ioctl_send_args {
367 __s64 send_fd; /* in */
368 __u64 clone_sources_count; /* in */
369 __u64 __user *clone_sources; /* in */
370 __u64 parent_root; /* in */
371 __u64 flags; /* in */
372 __u64 reserved[4]; /* in */
373};
Arne Jansen5d13a372011-09-14 15:53:51 +0200374
Chris Masonc5739bb2007-04-10 09:27:04 -0400375#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
376 struct btrfs_ioctl_vol_args)
Chris Mason6702ed42007-08-07 16:15:09 -0400377#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
Chris Mason8352d8a2007-04-12 10:43:05 -0400378 struct btrfs_ioctl_vol_args)
Chris Masonedbd8d42007-12-21 16:27:24 -0500379#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
380 struct btrfs_ioctl_vol_args)
Chris Mason8a4b83c2008-03-24 15:02:07 -0400381#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
382 struct btrfs_ioctl_vol_args)
Sage Weil6bf13c02008-06-10 10:07:39 -0400383/* trans start and trans end are dangerous, and only for
384 * use by applications that know how to avoid the
385 * resulting deadlocks
386 */
387#define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6)
388#define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7)
389#define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8)
390
Sage Weilf2eb0a22008-05-02 14:43:14 -0400391#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
Chris Mason788f20e2008-04-28 15:29:42 -0400392#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
393 struct btrfs_ioctl_vol_args)
394#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
395 struct btrfs_ioctl_vol_args)
396#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
397 struct btrfs_ioctl_vol_args)
Sage Weilc5c9cd42008-11-12 14:32:25 -0500398
399#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
400 struct btrfs_ioctl_clone_range_args)
401
Chris Mason3de45862008-11-17 21:02:50 -0500402#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
403 struct btrfs_ioctl_vol_args)
Yan, Zheng76dda932009-09-21 16:00:26 -0400404#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
405 struct btrfs_ioctl_vol_args)
Chris Mason1e701a32010-03-11 09:42:04 -0500406#define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
407 struct btrfs_ioctl_defrag_range_args)
Chris Masonac8e9812010-02-28 15:39:26 -0500408#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
409 struct btrfs_ioctl_search_args)
410#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
411 struct btrfs_ioctl_ino_lookup_args)
Josef Bacik6ef5ed02009-12-11 21:11:29 +0000412#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64)
Josef Bacik1406e432010-01-13 18:19:06 +0000413#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
414 struct btrfs_ioctl_space_args)
Sage Weil46204592010-10-29 15:41:32 -0400415#define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
416#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
Li Zefanfdfb1e42010-12-10 06:41:56 +0000417#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
418 struct btrfs_ioctl_vol_args_v2)
Arne Jansen6f72c7e2011-09-14 15:58:21 +0200419#define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \
420 struct btrfs_ioctl_vol_args_v2)
Alexander Blockd3a94042012-06-25 15:36:12 -0600421#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
Li Zefan0caa1022010-12-20 16:30:25 +0800422#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
Jan Schmidt475f6382011-03-11 15:41:01 +0100423#define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
424 struct btrfs_ioctl_scrub_args)
425#define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
426#define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
427 struct btrfs_ioctl_scrub_args)
428#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
429 struct btrfs_ioctl_dev_info_args)
430#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
431 struct btrfs_ioctl_fs_info_args)
Ilya Dryomovc9e9f972012-01-16 22:04:47 +0200432#define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \
433 struct btrfs_ioctl_balance_args)
Ilya Dryomov837d5b62012-01-16 22:04:49 +0200434#define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int)
Ilya Dryomov19a39dc2012-01-16 22:04:49 +0200435#define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \
436 struct btrfs_ioctl_balance_args)
Jan Schmidtd7728c92011-07-07 16:48:38 +0200437#define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \
438 struct btrfs_ioctl_ino_path_args)
439#define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \
440 struct btrfs_ioctl_ino_path_args)
Alexander Block8ea05e32012-07-25 17:35:53 +0200441#define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \
442 struct btrfs_ioctl_received_subvol_args)
Alexander Block31db9f72012-07-25 23:19:24 +0200443#define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args)
Josef Bacik02db0842012-06-21 16:03:58 -0400444#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
445 struct btrfs_ioctl_vol_args)
Arne Jansen5d13a372011-09-14 15:53:51 +0200446#define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
447 struct btrfs_ioctl_quota_ctl_args)
448#define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \
449 struct btrfs_ioctl_qgroup_assign_args)
450#define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \
451 struct btrfs_ioctl_qgroup_create_args)
452#define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
453 struct btrfs_ioctl_qgroup_limit_args)
Stefan Behrensc11d2c22012-05-25 16:06:09 +0200454#define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \
455 struct btrfs_ioctl_get_dev_stats)
Chris Masonc5739bb2007-04-10 09:27:04 -0400456#endif