1 /*
2 * Copyright (c) 2016 Jeff Mahoney <jeffm@suse.com>
3 * Copyright (c) 2016-2018 The strace developers.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "defs.h"
30
31 #ifdef HAVE_LINUX_BTRFS_H
32
33 #include DEF_MPERS_TYPE(struct_btrfs_ioctl_dev_replace_args)
34 #include DEF_MPERS_TYPE(struct_btrfs_ioctl_send_args)
35 #include DEF_MPERS_TYPE(struct_btrfs_ioctl_received_subvol_args)
36 #include DEF_MPERS_TYPE(struct_btrfs_ioctl_vol_args_v2)
37
38 # include <linux/btrfs.h>
39
40 typedef struct btrfs_ioctl_dev_replace_args
41 struct_btrfs_ioctl_dev_replace_args;
42 typedef struct btrfs_ioctl_send_args
43 struct_btrfs_ioctl_send_args;
44 typedef struct btrfs_ioctl_received_subvol_args
45 struct_btrfs_ioctl_received_subvol_args;
46 typedef struct btrfs_ioctl_vol_args_v2
47 struct_btrfs_ioctl_vol_args_v2;
48
49 #endif /* HAVE_LINUX_BTRFS_H */
50
51 #include MPERS_DEFS
52
53 #ifdef HAVE_LINUX_BTRFS_H
54
55 #include "print_fields.h"
56 #include <linux/fs.h>
57
58 /*
59 * Prior to Linux 3.12, the BTRFS_IOC_DEFAULT_SUBVOL used u64 in
60 * its definition, which isn't exported by the kernel.
61 */
62 typedef __u64 u64;
63
64 #ifndef HAVE_STRUCT_BTRFS_IOCTL_FEATURE_FLAGS_COMPAT_FLAGS
65 struct btrfs_ioctl_feature_flags {
66 uint64_t compat_flags;
67 uint64_t compat_ro_flags;
68 uint64_t incompat_flags;
69 };
70 #endif
71
72 #ifndef HAVE_STRUCT_BTRFS_IOCTL_DEFRAG_RANGE_ARGS_START
73 struct btrfs_ioctl_defrag_range_args {
74 uint64_t start;
75 uint64_t len;
76 uint64_t flags;
77 uint32_t extent_thresh;
78 uint32_t compress_type;
79 uint32_t unused[4];
80 };
81 #endif
82
83 #ifndef BTRFS_LABEL_SIZE
84 # define BTRFS_LABEL_SIZE 256
85 #endif
86
87 #ifndef BTRFS_IOC_QUOTA_RESCAN
88 struct btrfs_ioctl_quota_rescan_args {
89 uint64_t flags, progress, reserved[6];
90 };
91 # define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
92 struct btrfs_ioctl_quota_rescan_args)
93 # define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
94 struct btrfs_ioctl_quota_rescan_args)
95 #endif
96
97 #ifndef BTRFS_IOC_QUOTA_RESCAN_WAIT
98 # define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
99 #endif
100
101 #ifndef BTRFS_IOC_GET_FEATURES
102 # define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
103 struct btrfs_ioctl_feature_flags)
104 # define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \
105 struct btrfs_ioctl_feature_flags[2])
106 # define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
107 struct btrfs_ioctl_feature_flags[3])
108 #endif
109
110 #ifndef BTRFS_IOC_TREE_SEARCH_V2
111 # define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
112 struct btrfs_ioctl_search_args_v2)
113 struct btrfs_ioctl_search_args_v2 {
114 struct btrfs_ioctl_search_key key; /* in/out - search parameters */
115 uint64_t buf_size; /* in - size of buffer
116 * out - on EOVERFLOW: needed size
117 * to store item */
118 uint64_t buf[0]; /* out - found items */
119 };
120 #endif
121
122 #include "xlat/btrfs_balance_args.h"
123 #include "xlat/btrfs_balance_ctl_cmds.h"
124 #include "xlat/btrfs_balance_flags.h"
125 #include "xlat/btrfs_balance_state.h"
126 #include "xlat/btrfs_compress_types.h"
127 #include "xlat/btrfs_cont_reading_from_srcdev_mode.h"
128 #include "xlat/btrfs_defrag_flags.h"
129 #include "xlat/btrfs_dev_replace_cmds.h"
130 #include "xlat/btrfs_dev_replace_results.h"
131 #include "xlat/btrfs_dev_replace_state.h"
132 #include "xlat/btrfs_dev_stats_flags.h"
133 #include "xlat/btrfs_dev_stats_values.h"
134 #include "xlat/btrfs_features_compat.h"
135 #include "xlat/btrfs_features_compat_ro.h"
136 #include "xlat/btrfs_features_incompat.h"
137 #include "xlat/btrfs_key_types.h"
138 #include "xlat/btrfs_logical_ino_args_flags.h"
139 #include "xlat/btrfs_qgroup_ctl_cmds.h"
140 #include "xlat/btrfs_qgroup_inherit_flags.h"
141 #include "xlat/btrfs_qgroup_limit_flags.h"
142 #include "xlat/btrfs_qgroup_status_flags.h"
143 #include "xlat/btrfs_scrub_flags.h"
144 #include "xlat/btrfs_send_flags.h"
145 #include "xlat/btrfs_snap_flags_v2.h"
146 #include "xlat/btrfs_space_info_flags.h"
147 #include "xlat/btrfs_tree_objectids.h"
148
149 static inline char
prnibble(char v)150 prnibble(char v)
151 {
152 if (v >= 10)
153 return 'a' + (v - 10);
154 return '0' + v;
155 }
156
157 /* 8-4-4-4-12 = 36 characters */
158 #define UUID_STRING_SIZE 36
159
160 /* Formats uuid, returns 0 if it's all zeroes */
161 static int
btrfs_unparse_uuid(unsigned char * uuid,char * out)162 btrfs_unparse_uuid(unsigned char *uuid, char *out)
163 {
164 int i;
165 int ret = 0;
166 for (i = 0; i < BTRFS_UUID_SIZE; i++) {
167 if (i == 4 || i == 6 || i == 8 || i == 10)
168 *out++ = '-';
169 *out++ = prnibble(uuid[i] >> 4);
170 *out++ = prnibble(uuid[i] & 0xf);
171 if (uuid[i])
172 ret = 1;
173 }
174 *out = '\0';
175 return ret;
176 }
177
178 static void
btrfs_print_balance_args(const char * name,const struct btrfs_balance_args * bba)179 btrfs_print_balance_args(const char *name, const struct btrfs_balance_args *bba)
180 {
181 tprintf(", %s=", name);
182 PRINT_FIELD_FLAGS("{", *bba, profiles, btrfs_space_info_flags,
183 "BTRFS_BLOCK_GROUP_???");
184 PRINT_FIELD_U64(", ", *bba, usage);
185 PRINT_FIELD_DEV(", ", *bba, devid);
186 PRINT_FIELD_U64(", ", *bba, pstart);
187 PRINT_FIELD_U64(", ", *bba, pend);
188 PRINT_FIELD_U64(", ", *bba, vstart);
189 PRINT_FIELD_U64(", ", *bba, vend);
190 PRINT_FIELD_U64(", ", *bba, target);
191 PRINT_FIELD_FLAGS(", ", *bba, flags, btrfs_balance_args,
192 "BTRFS_BALANCE_ARGS_???");
193 tprints("}");
194 }
195
196 static void
btrfs_print_balance(struct tcb * const tcp,const kernel_ulong_t arg,bool out)197 btrfs_print_balance(struct tcb *const tcp, const kernel_ulong_t arg, bool out)
198 {
199 struct btrfs_ioctl_balance_args balance_args;
200
201 if (umove_or_printaddr(tcp, arg, &balance_args))
202 return;
203
204 PRINT_FIELD_FLAGS("{", balance_args, flags, btrfs_balance_flags,
205 "BTRFS_BALANCE_???");
206 if (out)
207 PRINT_FIELD_FLAGS(", ", balance_args, state,
208 btrfs_balance_state,
209 "BTRFS_BALANCE_STATE_???");
210
211 if (balance_args.flags & BTRFS_BALANCE_DATA)
212 btrfs_print_balance_args("data", &balance_args.data);
213 if (balance_args.flags & BTRFS_BALANCE_METADATA)
214 btrfs_print_balance_args("meta", &balance_args.meta);
215 if (balance_args.flags & BTRFS_BALANCE_SYSTEM)
216 btrfs_print_balance_args("sys", &balance_args.sys);
217 tprints("}");
218 }
219
220 static void
btrfs_print_features(const struct btrfs_ioctl_feature_flags * flags)221 btrfs_print_features(const struct btrfs_ioctl_feature_flags *flags)
222 {
223 PRINT_FIELD_FLAGS("{", *flags, compat_flags, btrfs_features_compat,
224 "BTRFS_FEATURE_COMPAT_???");
225 PRINT_FIELD_FLAGS(", ", *flags, compat_ro_flags,
226 btrfs_features_compat_ro,
227 "BTRFS_FEATURE_COMPAT_RO_???");
228 PRINT_FIELD_FLAGS(", ", *flags, incompat_flags, btrfs_features_incompat,
229 "BTRFS_FEATURE_INCOMPAT_???");
230 tprints("}");
231 }
232
233 static void
btrfs_print_qgroup_limit(const struct btrfs_qgroup_limit * lim)234 btrfs_print_qgroup_limit(const struct btrfs_qgroup_limit *lim)
235 {
236 PRINT_FIELD_FLAGS(", lim={", *lim, flags, btrfs_qgroup_limit_flags,
237 "BTRFS_QGROUP_LIMIT_???");
238 PRINT_FIELD_U(", ", *lim, max_rfer);
239 PRINT_FIELD_U(", ", *lim, max_excl);
240 PRINT_FIELD_U(", ", *lim, rsv_rfer);
241 PRINT_FIELD_U(", ", *lim, rsv_excl);
242 tprints("}");
243 }
244
245 #define btrfs_print_key_type(prefix_, where_, field_) \
246 PRINT_FIELD_XVAL_U((prefix_), (where_), field_, btrfs_key_types, NULL)
247 #define btrfs_print_objectid(prefix_, where_, field_) \
248 PRINT_FIELD_XVAL_U((prefix_), (where_), field_, btrfs_tree_objectids, \
249 NULL)
250
251 static void
btrfs_print_data_container_header(const struct btrfs_data_container * container)252 btrfs_print_data_container_header(const struct btrfs_data_container *container)
253 {
254 PRINT_FIELD_U("{", *container, bytes_left);
255 PRINT_FIELD_U(", ", *container, bytes_missing);
256 PRINT_FIELD_U(", ", *container, elem_cnt);
257 PRINT_FIELD_U(", ", *container, elem_missed);
258 }
259
260 static void
btrfs_print_data_container_footer(void)261 btrfs_print_data_container_footer(void)
262 {
263 tprints("}");
264 }
265
266 static bool
print_btrfs_data_container_logical_ino(struct tcb * tcp,void * elem_buf,size_t elem_size,void * data)267 print_btrfs_data_container_logical_ino(struct tcb *tcp, void *elem_buf,
268 size_t elem_size, void *data)
269 {
270 const struct {
271 uint64_t inum;
272 uint64_t offset;
273 uint64_t root;
274 } *const record = elem_buf;
275
276 PRINT_FIELD_U("{", *record, inum);
277 PRINT_FIELD_U(", ", *record, offset);
278 PRINT_FIELD_U(", ", *record, root);
279 tprints("}");
280
281 return true;
282 }
283
284 static void
btrfs_print_logical_ino_container(struct tcb * tcp,const uint64_t inodes_addr)285 btrfs_print_logical_ino_container(struct tcb *tcp,
286 const uint64_t inodes_addr)
287 {
288 struct btrfs_data_container container;
289
290 if (umove_or_printaddr(tcp, inodes_addr, &container))
291 return;
292
293 btrfs_print_data_container_header(&container);
294
295 if (abbrev(tcp)) {
296 tprints(", ...");
297 } else {
298 const uint64_t val_addr =
299 inodes_addr + offsetof(typeof(container), val);
300 uint64_t record[3];
301 tprints(", val=");
302 print_array(tcp, val_addr, container.elem_cnt / 3,
303 record, sizeof(record),
304 tfetch_mem,
305 print_btrfs_data_container_logical_ino, 0);
306 }
307
308 btrfs_print_data_container_footer();
309 }
310
311 static bool
print_btrfs_data_container_ino_path(struct tcb * tcp,void * elem_buf,size_t elem_size,void * data)312 print_btrfs_data_container_ino_path(struct tcb *tcp, void *elem_buf,
313 size_t elem_size, void *data)
314 {
315 const uint64_t *const offset = elem_buf;
316 const uint64_t *const val_addr = data;
317
318 printpath(tcp, *val_addr + *offset);
319
320 return true;
321 }
322
323 static void
btrfs_print_ino_path_container(struct tcb * tcp,const uint64_t fspath_addr)324 btrfs_print_ino_path_container(struct tcb *tcp,
325 const uint64_t fspath_addr)
326 {
327 struct btrfs_data_container container;
328
329 if (umove_or_printaddr(tcp, fspath_addr, &container))
330 return;
331
332 btrfs_print_data_container_header(&container);
333
334 if (abbrev(tcp)) {
335 tprints(", ...");
336 } else {
337 uint64_t val_addr =
338 fspath_addr + offsetof(typeof(container), val);
339 uint64_t offset;
340 tprints(", val=");
341 print_array(tcp, val_addr, container.elem_cnt,
342 &offset, sizeof(offset),
343 tfetch_mem,
344 print_btrfs_data_container_ino_path, &val_addr);
345 }
346
347 btrfs_print_data_container_footer();
348 }
349
350 static void
btrfs_print_qgroup_inherit(struct tcb * const tcp,const kernel_ulong_t qgi_addr)351 btrfs_print_qgroup_inherit(struct tcb *const tcp, const kernel_ulong_t qgi_addr)
352 {
353 struct btrfs_qgroup_inherit inherit;
354
355 if (umove_or_printaddr(tcp, qgi_addr, &inherit))
356 return;
357
358 PRINT_FIELD_FLAGS("{", inherit, flags, btrfs_qgroup_inherit_flags,
359 "BTRFS_QGROUP_INHERIT_???");
360 PRINT_FIELD_U(", ", inherit, num_qgroups);
361 PRINT_FIELD_U(", ", inherit, num_ref_copies);
362 PRINT_FIELD_U(", ", inherit, num_excl_copies);
363
364 btrfs_print_qgroup_limit(&inherit.lim);
365
366 if (abbrev(tcp)) {
367 tprints(", ...");
368 } else {
369 uint64_t record;
370 tprints(", qgroups=");
371 print_array(tcp, qgi_addr + offsetof(typeof(inherit), qgroups),
372 inherit.num_qgroups, &record, sizeof(record),
373 tfetch_mem, print_uint64_array_member, 0);
374 }
375 tprints("}");
376 }
377
378 static void
btrfs_print_tree_search(struct tcb * tcp,struct btrfs_ioctl_search_key * key,uint64_t buf_addr,uint64_t buf_size,bool print_size)379 btrfs_print_tree_search(struct tcb *tcp, struct btrfs_ioctl_search_key *key,
380 uint64_t buf_addr, uint64_t buf_size, bool print_size)
381 {
382 if (entering(tcp)) {
383 btrfs_print_objectid("{key={", *key, tree_id);
384
385 if (key->min_objectid != BTRFS_FIRST_FREE_OBJECTID ||
386 !abbrev(tcp))
387 btrfs_print_objectid(", ", *key, min_objectid);
388
389 if (key->max_objectid != BTRFS_LAST_FREE_OBJECTID ||
390 !abbrev(tcp))
391 btrfs_print_objectid(", ", *key, max_objectid);
392
393 PRINT_FIELD_U64(", ", *key, min_offset);
394 PRINT_FIELD_U64(", ", *key, max_offset);
395 PRINT_FIELD_U64(", ", *key, min_transid);
396 PRINT_FIELD_U64(", ", *key, max_transid);
397
398 btrfs_print_key_type(", ", *key, min_type);
399 btrfs_print_key_type(", ", *key, max_type);
400 PRINT_FIELD_U(", ", *key, nr_items);
401 tprints("}");
402 if (print_size)
403 tprintf(", buf_size=%" PRIu64, buf_size);
404 tprints("}");
405 } else {
406 PRINT_FIELD_U("{key={", *key, nr_items);
407 tprints("}");
408 if (print_size)
409 tprintf(", buf_size=%" PRIu64, buf_size);
410 if (abbrev(tcp)) {
411 tprints(", ...");
412 } else {
413 uint64_t i;
414 uint64_t off = 0;
415 tprints(", buf=[");
416 for (i = 0; i < key->nr_items; i++) {
417 struct btrfs_ioctl_search_header sh;
418 uint64_t addr = buf_addr + off;
419 if (i)
420 tprints(", ");
421 if (i > max_strlen) {
422 tprints("...");
423 break;
424 }
425 if (umove(tcp, addr, &sh)) {
426 tprints("...");
427 printaddr_comment(addr);
428 break;
429 }
430 PRINT_FIELD_U("{", sh, transid);
431 btrfs_print_objectid(", ", sh, objectid);
432 PRINT_FIELD_U(", ", sh, offset);
433 btrfs_print_key_type(", ", sh, type);
434 PRINT_FIELD_U(", ", sh, len);
435 tprints("}");
436 off += sizeof(sh) + sh.len;
437
438 }
439 tprints("]");
440 }
441 tprints("}");
442 }
443 }
444
445 static bool
print_objectid_callback(struct tcb * tcp,void * elem_buf,size_t elem_size,void * data)446 print_objectid_callback(struct tcb *tcp, void *elem_buf,
447 size_t elem_size, void *data)
448 {
449 printxvals_ex(*(uint64_t *) elem_buf, NULL, XLAT_STYLE_FMT_U,
450 btrfs_tree_objectids, NULL);
451
452 return true;
453 }
454
455 static bool
print_btrfs_ioctl_space_info(struct tcb * tcp,void * elem_buf,size_t elem_size,void * data)456 print_btrfs_ioctl_space_info(struct tcb *tcp, void *elem_buf,
457 size_t elem_size, void *data)
458 {
459 const struct btrfs_ioctl_space_info *info = elem_buf;
460
461 PRINT_FIELD_FLAGS("{", *info, flags, btrfs_space_info_flags,
462 "BTRFS_SPACE_INFO_???");
463 PRINT_FIELD_U(", ", *info, total_bytes);
464 PRINT_FIELD_U(", ", *info, used_bytes);
465 tprints("}");
466
467 return true;
468 }
469
470 static void
print_btrfs_timespec(const char * prefix,uint64_t sec,uint32_t nsec)471 print_btrfs_timespec(const char *prefix, uint64_t sec, uint32_t nsec)
472 {
473 tprintf("%s{sec=%" PRIu64 ", nsec=%u}", prefix, sec, nsec);
474 tprints_comment(sprinttime_nsec(sec, nsec));
475 }
476
MPERS_PRINTER_DECL(int,btrfs_ioctl,struct tcb * const tcp,const unsigned int code,const kernel_ulong_t arg)477 MPERS_PRINTER_DECL(int, btrfs_ioctl,
478 struct tcb *const tcp, const unsigned int code,
479 const kernel_ulong_t arg)
480 {
481 switch (code) {
482 /* Take no arguments; command only. */
483 case BTRFS_IOC_TRANS_START:
484 case BTRFS_IOC_TRANS_END:
485 case BTRFS_IOC_SYNC:
486 case BTRFS_IOC_SCRUB_CANCEL:
487 case BTRFS_IOC_QUOTA_RESCAN_WAIT:
488 /*
489 * The codes for these ioctls are based on each accepting a
490 * vol_args but none of them actually consume an argument.
491 */
492 case BTRFS_IOC_DEFRAG:
493 case BTRFS_IOC_BALANCE:
494 break;
495
496 /* takes a signed int */
497 case BTRFS_IOC_BALANCE_CTL:
498 tprints(", ");
499 printxval(btrfs_balance_ctl_cmds, arg, "BTRFS_BALANCE_CTL_???");
500 break;
501
502 /* returns a 64 */
503 case BTRFS_IOC_START_SYNC: /* R */
504 if (entering(tcp))
505 return 0;
506 ATTRIBUTE_FALLTHROUGH;
507 /* takes a u64 */
508 case BTRFS_IOC_DEFAULT_SUBVOL: /* W */
509 case BTRFS_IOC_WAIT_SYNC: /* W */
510 tprints(", ");
511 printnum_int64(tcp, arg, "%" PRIu64);
512 break;
513
514 /* u64 but describe a flags bitfield; we can make that symbolic */
515 case BTRFS_IOC_SUBVOL_GETFLAGS: { /* R */
516 uint64_t flags;
517
518 if (entering(tcp))
519 return 0;
520
521 tprints(", ");
522
523 if (umove_or_printaddr(tcp, arg, &flags))
524 break;
525
526 printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
527 break;
528 }
529
530 case BTRFS_IOC_SUBVOL_SETFLAGS: { /* W */
531 uint64_t flags;
532
533 tprints(", ");
534
535 if (umove_or_printaddr(tcp, arg, &flags))
536 break;
537
538 printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
539 break;
540 }
541
542 /* More complex types */
543 case BTRFS_IOC_BALANCE_V2: /* RW */
544 if (entering(tcp)) {
545 tprints(", ");
546 btrfs_print_balance(tcp, arg, false);
547 return 0;
548 }
549
550 if (syserror(tcp))
551 break;
552
553 tprints(" => ");
554 btrfs_print_balance(tcp, arg, true);
555 break;
556 case BTRFS_IOC_BALANCE_PROGRESS: /* R */
557 if (entering(tcp))
558 return 0;
559
560 tprints(", ");
561 btrfs_print_balance(tcp, arg, true);
562 break;
563
564 case BTRFS_IOC_DEFRAG_RANGE: { /* W */
565 struct btrfs_ioctl_defrag_range_args args;
566
567 tprints(", ");
568
569 if (umove_or_printaddr(tcp, arg, &args))
570 break;
571
572 PRINT_FIELD_U("{", args, start);
573 PRINT_FIELD_U64(", ", args, len);
574
575 PRINT_FIELD_FLAGS(", ", args, flags, btrfs_defrag_flags,
576 "BTRFS_DEFRAG_RANGE_???");
577 PRINT_FIELD_U(", ", args, extent_thresh);
578 PRINT_FIELD_XVAL(", ", args, compress_type,
579 btrfs_compress_types, "BTRFS_COMPRESS_???");
580 tprints("}");
581 break;
582 }
583
584 case BTRFS_IOC_DEV_INFO: { /* RW */
585 struct btrfs_ioctl_dev_info_args args;
586 char uuid[UUID_STRING_SIZE+1];
587 int valid;
588
589 if (entering(tcp))
590 tprints(", ");
591 else if (syserror(tcp))
592 break;
593 else
594 tprints(" => ");
595 if (umove_or_printaddr(tcp, arg, &args))
596 break;
597
598 valid = btrfs_unparse_uuid(args.uuid, uuid);
599 if (entering(tcp)) {
600 PRINT_FIELD_DEV("{", args, devid);
601 if (valid)
602 tprintf(", uuid=%s", uuid);
603 tprints("}");
604 return 0;
605 }
606
607 tprints("{");
608 if (valid)
609 tprintf("uuid=%s, ", uuid);
610
611 PRINT_FIELD_U("", args, bytes_used);
612 PRINT_FIELD_U(", ", args, total_bytes);
613 PRINT_FIELD_CSTRING(", ", args, path);
614 tprints("}");
615
616 break;
617 }
618
619 case BTRFS_IOC_DEV_REPLACE: { /* RW */
620 struct_btrfs_ioctl_dev_replace_args args;
621
622 if (entering(tcp))
623 tprints(", ");
624 else if (syserror(tcp))
625 break;
626 else
627 tprints(" => ");
628
629 if (umove_or_printaddr(tcp, arg, &args))
630 break;
631
632 if (entering(tcp)) {
633 PRINT_FIELD_XVAL("{", args, cmd, btrfs_dev_replace_cmds,
634 "BTRFS_IOCTL_DEV_REPLACE_CMD_???");
635 if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_START) {
636 PRINT_FIELD_DEV(", start={", args.start,
637 srcdevid);
638 PRINT_FIELD_XVAL(", ", args.start,
639 cont_reading_from_srcdev_mode,
640 btrfs_cont_reading_from_srcdev_mode,
641 "BTRFS_IOCTL_DEV_REPLACE_CONT_READING"
642 "_FROM_SRCDEV_MODE_???");
643 PRINT_FIELD_CSTRING(", ", args.start,
644 srcdev_name);
645 PRINT_FIELD_CSTRING(", ", args.start,
646 tgtdev_name);
647 tprints("}");
648
649 }
650 tprints("}");
651 return 0;
652 }
653
654 PRINT_FIELD_XVAL("{", args, result, btrfs_dev_replace_results,
655 "BTRFS_IOCTL_DEV_REPLACE_RESULT_???");
656 if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS) {
657 PRINT_FIELD_XVAL(", status={", args.status,
658 replace_state, btrfs_dev_replace_state,
659 "BTRFS_IOCTL_DEV_REPLACE_STATE_???");
660
661 PRINT_FIELD_U(", ", args.status, progress_1000);
662 if (args.status.progress_1000 <= 1000)
663 tprintf_comment("%u.%u%%",
664 (unsigned) args.status.progress_1000 / 10,
665 (unsigned) args.status.progress_1000 % 10);
666
667 PRINT_FIELD_U(", ", args.status, time_started);
668 tprints_comment(sprinttime(args.status.time_started));
669
670 PRINT_FIELD_U(", ", args.status, time_stopped);
671 tprints_comment(sprinttime(args.status.time_stopped));
672
673 PRINT_FIELD_U(", ", args.status, num_write_errors);
674 PRINT_FIELD_U(", ", args.status,
675 num_uncorrectable_read_errors);
676 }
677 tprints("}");
678 break;
679 }
680
681 case BTRFS_IOC_GET_FEATURES: { /* R */
682 struct btrfs_ioctl_feature_flags flags;
683
684 if (entering(tcp))
685 return 0;
686
687 tprints(", ");
688 if (umove_or_printaddr(tcp, arg, &flags))
689 break;
690
691 btrfs_print_features(&flags);
692 break;
693 }
694
695 case BTRFS_IOC_SET_FEATURES: { /* W */
696 struct btrfs_ioctl_feature_flags flarg[2];
697
698 tprints(", ");
699
700 if (umove_or_printaddr(tcp, arg, &flarg))
701 break;
702
703 tprints("[");
704 btrfs_print_features(&flarg[0]);
705 tprints(", ");
706 btrfs_print_features(&flarg[1]);
707 tprints("]");
708 break;
709 }
710
711 case BTRFS_IOC_GET_SUPPORTED_FEATURES: { /* R */
712 struct btrfs_ioctl_feature_flags flarg[3];
713
714 if (entering(tcp))
715 return 0;
716
717 tprints(", ");
718 if (umove_or_printaddr(tcp, arg, &flarg))
719 break;
720
721 tprints("[");
722 btrfs_print_features(&flarg[0]);
723 tprints_comment("supported");
724
725 tprints(", ");
726 btrfs_print_features(&flarg[1]);
727 tprints_comment("safe to set");
728
729 tprints(", ");
730 btrfs_print_features(&flarg[2]);
731 tprints_comment("safe to clear");
732 tprints("]");
733
734 break;
735 }
736
737 case BTRFS_IOC_FS_INFO: { /* R */
738 struct btrfs_ioctl_fs_info_args args;
739 char uuid[UUID_STRING_SIZE+1];
740 uint32_t nodesize, sectorsize, clone_alignment;
741 #ifndef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
742 uint32_t *reserved32;
743 #endif
744
745 if (entering(tcp))
746 return 0;
747
748 tprints(", ");
749 if (umove_or_printaddr(tcp, arg, &args))
750 break;
751
752 #ifdef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
753 nodesize = args.nodesize,
754 sectorsize = args.sectorsize,
755 clone_alignment = args.clone_alignment;
756 #else
757 reserved32 = (void *) args.reserved;
758 nodesize = reserved32[0];
759 sectorsize = reserved32[1];
760 clone_alignment = reserved32[2];
761 #endif
762 btrfs_unparse_uuid(args.fsid, uuid);
763
764 PRINT_FIELD_U("{", args, max_id);
765 PRINT_FIELD_U(", ", args, num_devices);
766 tprintf(", fsid=%s, nodesize=%u, sectorsize=%u"
767 ", clone_alignment=%u",
768 uuid, nodesize, sectorsize, clone_alignment);
769 tprints("}");
770 break;
771 }
772
773 case BTRFS_IOC_GET_DEV_STATS: { /* RW */
774 struct btrfs_ioctl_get_dev_stats args;
775 uint64_t i;
776
777 if (entering(tcp))
778 tprints(", ");
779 else if (syserror(tcp))
780 break;
781 else
782 tprints(" => ");
783 if (umove_or_printaddr(tcp, arg, &args))
784 break;
785
786 tprints("{");
787
788 if (entering(tcp)) {
789 PRINT_FIELD_DEV("", args, devid);
790 tprints(", ");
791 }
792
793 PRINT_FIELD_U("", args, nr_items);
794 PRINT_FIELD_FLAGS(", ", args, flags, btrfs_dev_stats_flags,
795 "BTRFS_DEV_STATS_???");
796
797 if (entering(tcp)) {
798 tprints("}");
799 return 0;
800 }
801
802 /*
803 * The structure has a 1k limit; Let's make sure we don't
804 * go off into the middle of nowhere with a bad nr_items
805 * value.
806 */
807 tprints(", [");
808 for (i = 0; i < args.nr_items; i++) {
809 if (i)
810 tprints(", ");
811 if (i >= ARRAY_SIZE(args.values)) {
812 tprints("...");
813 break;
814 }
815
816 tprints("[");
817 printxval_u(btrfs_dev_stats_values, i, NULL);
818 tprintf("] = %" PRI__u64, args.values[i]);
819 }
820 tprints("]}");
821 break;
822 }
823
824 case BTRFS_IOC_INO_LOOKUP: { /* RW */
825 struct btrfs_ioctl_ino_lookup_args args;
826
827 if (entering(tcp))
828 tprints(", ");
829 else if (syserror(tcp))
830 break;
831 else
832 tprints(" => ");
833
834 if (umove_or_printaddr(tcp, arg, &args))
835 break;
836
837 if (entering(tcp)) {
838 /* Use subvolume id of the containing root */
839 if (args.treeid == 0)
840 set_tcb_priv_ulong(tcp, 1);
841
842 btrfs_print_objectid("{", args, treeid);
843 btrfs_print_objectid(", ", args, objectid);
844 tprints("}");
845 return 0;
846 }
847
848 tprints("{");
849 if (get_tcb_priv_ulong(tcp)) {
850 btrfs_print_objectid("", args, treeid);
851 tprints(", ");
852 }
853
854 PRINT_FIELD_CSTRING("", args, name);
855 tprints("}");
856 break;
857 }
858
859 case BTRFS_IOC_INO_PATHS: { /* RW */
860 struct btrfs_ioctl_ino_path_args args;
861
862 if (entering(tcp))
863 tprints(", ");
864 else if (syserror(tcp))
865 break;
866 else
867 tprints(" => ");
868
869 if (umove_or_printaddr(tcp, arg, &args))
870 break;
871
872 if (entering(tcp)) {
873 PRINT_FIELD_U("{", args, inum);
874 PRINT_FIELD_U(", ", args, size);
875 PRINT_FIELD_ADDR64(", ", args, fspath);
876 tprints("}");
877 return 0;
878 }
879
880 tprints("{fspath=");
881 btrfs_print_ino_path_container(tcp, args.fspath);
882
883 tprints("}");
884 break;
885 }
886
887 case BTRFS_IOC_LOGICAL_INO: { /* RW */
888 struct btrfs_ioctl_logical_ino_args args;
889
890 if (entering(tcp))
891 tprints(", ");
892 else if (syserror(tcp))
893 break;
894 else
895 tprints(" => ");
896
897 if (umove_or_printaddr(tcp, arg, &args))
898 break;
899
900 if (entering(tcp)) {
901 PRINT_FIELD_U("{", args, logical);
902 PRINT_FIELD_U(", ", args, size);
903
904 if (!IS_ARRAY_ZERO(args.reserved)) {
905 tprints(", reserved=[");
906 for (size_t i = 0; i < 3; ++i)
907 tprintf("%s%#" PRI__x64,
908 i ? ", " : "",
909 args.reserved[i]);
910 tprints("]");
911 }
912
913 tprintf(", flags=");
914 printflags64(btrfs_logical_ino_args_flags,
915 #ifdef HAVE_STRUCT_BTRFS_IOCTL_LOGICAL_INO_ARGS_FLAGS
916 args.flags
917 #else
918 args.reserved[3]
919 #endif
920 , "BTRFS_LOGICAL_INO_ARGS_???");
921 PRINT_FIELD_ADDR64(", ", args, inodes);
922 tprints("}");
923 return 0;
924 }
925
926 tprints("{inodes=");
927 btrfs_print_logical_ino_container(tcp, args.inodes);
928
929 tprints("}");
930 break;
931 }
932
933 case BTRFS_IOC_QGROUP_ASSIGN: { /* W */
934 struct btrfs_ioctl_qgroup_assign_args args;
935
936 tprints(", ");
937 if (umove_or_printaddr(tcp, arg, &args))
938 break;
939
940 PRINT_FIELD_U("{", args, assign);
941 PRINT_FIELD_U(", ", args, src);
942 PRINT_FIELD_U(", ", args, dst);
943 tprints("}");
944 break;
945 }
946
947 case BTRFS_IOC_QGROUP_CREATE: { /* W */
948 struct btrfs_ioctl_qgroup_create_args args;
949
950 tprints(", ");
951 if (umove_or_printaddr(tcp, arg, &args))
952 break;
953
954 PRINT_FIELD_U("{", args, create);
955 PRINT_FIELD_U(", ", args, qgroupid);
956 tprints("}");
957 break;
958 }
959
960 case BTRFS_IOC_QGROUP_LIMIT: { /* R */
961 struct btrfs_ioctl_qgroup_limit_args args;
962
963 if (entering(tcp))
964 return 0;
965
966 tprints(", ");
967 if (umove_or_printaddr(tcp, arg, &args))
968 break;
969
970 PRINT_FIELD_U("{", args, qgroupid);
971 btrfs_print_qgroup_limit(&args.lim);
972 tprints("}");
973 break;
974 }
975
976 case BTRFS_IOC_QUOTA_CTL: { /* W */
977 struct btrfs_ioctl_quota_ctl_args args;
978
979 tprints(", ");
980 if (umove_or_printaddr(tcp, arg, &args))
981 break;
982
983 PRINT_FIELD_XVAL("{", args, cmd, btrfs_qgroup_ctl_cmds,
984 "BTRFS_QUOTA_CTL_???");
985 tprints("}");
986
987 break;
988 }
989
990 case BTRFS_IOC_QUOTA_RESCAN: { /* W */
991 struct btrfs_ioctl_quota_rescan_args args;
992
993 tprints(", ");
994 if (umove_or_printaddr(tcp, arg, &args))
995 break;
996
997 PRINT_FIELD_U("{", args, flags);
998 tprints("}");
999 break;
1000 }
1001
1002 case BTRFS_IOC_QUOTA_RESCAN_STATUS: { /* R */
1003 struct btrfs_ioctl_quota_rescan_args args;
1004
1005 if (entering(tcp))
1006 return 0;
1007
1008 tprints(", ");
1009 if (umove_or_printaddr(tcp, arg, &args))
1010 break;
1011
1012 PRINT_FIELD_U("{", args, flags);
1013 btrfs_print_objectid(", ", args, progress);
1014 tprints("}");
1015 break;
1016 }
1017
1018 case BTRFS_IOC_SET_RECEIVED_SUBVOL: { /* RW */
1019 struct_btrfs_ioctl_received_subvol_args args;
1020 char uuid[UUID_STRING_SIZE+1];
1021
1022 if (entering(tcp))
1023 tprints(", ");
1024 else if (syserror(tcp))
1025 break;
1026 else
1027 tprints(" => ");
1028
1029 if (umove_or_printaddr(tcp, arg, &args))
1030 break;
1031
1032 if (entering(tcp)) {
1033 btrfs_unparse_uuid((unsigned char *)args.uuid, uuid);
1034 tprintf("{uuid=%s", uuid);
1035 PRINT_FIELD_U(", ", args, stransid);
1036 print_btrfs_timespec(", stime=",
1037 args.stime.sec, args.stime.nsec);
1038 PRINT_FIELD_U(", ", args, flags);
1039 tprints("}");
1040 return 0;
1041 }
1042 PRINT_FIELD_U("{", args, rtransid);
1043 print_btrfs_timespec(", rtime=",
1044 args.rtime.sec, args.rtime.nsec);
1045 tprints("}");
1046 break;
1047 }
1048
1049 case BTRFS_IOC_SCRUB: /* RW */
1050 case BTRFS_IOC_SCRUB_PROGRESS: { /* RW */
1051 struct btrfs_ioctl_scrub_args args;
1052
1053 if (entering(tcp))
1054 tprints(", ");
1055 else if (syserror(tcp))
1056 break;
1057 else
1058 tprints(" => ");
1059
1060 if (umove_or_printaddr(tcp, arg, &args))
1061 break;
1062
1063 if (entering(tcp)) {
1064 PRINT_FIELD_DEV("{", args, devid);
1065 if (code == BTRFS_IOC_SCRUB) {
1066 PRINT_FIELD_U(", ", args, start);
1067 PRINT_FIELD_U64(", ", args, end);
1068 PRINT_FIELD_FLAGS(", ", args, flags,
1069 btrfs_scrub_flags,
1070 "BTRFS_SCRUB_???");
1071 }
1072 tprints("}");
1073 return 0;
1074 }
1075 PRINT_FIELD_U("{progress={", args.progress,
1076 data_extents_scrubbed);
1077 PRINT_FIELD_U(", ", args.progress, tree_extents_scrubbed);
1078 PRINT_FIELD_U(", ", args.progress, data_bytes_scrubbed);
1079 PRINT_FIELD_U(", ", args.progress, tree_bytes_scrubbed);
1080 PRINT_FIELD_U(", ", args.progress, read_errors);
1081 PRINT_FIELD_U(", ", args.progress, csum_errors);
1082 PRINT_FIELD_U(", ", args.progress, verify_errors);
1083 PRINT_FIELD_U(", ", args.progress, no_csum);
1084 PRINT_FIELD_U(", ", args.progress, csum_discards);
1085 PRINT_FIELD_U(", ", args.progress, super_errors);
1086 PRINT_FIELD_U(", ", args.progress, malloc_errors);
1087 PRINT_FIELD_U(", ", args.progress, uncorrectable_errors);
1088 PRINT_FIELD_U(", ", args.progress, corrected_errors);
1089 PRINT_FIELD_U(", ", args.progress, last_physical);
1090 PRINT_FIELD_U(", ", args.progress, unverified_errors);
1091 tprints("}}");
1092 break;
1093 }
1094
1095 case BTRFS_IOC_TREE_SEARCH: { /* RW */
1096 struct btrfs_ioctl_search_args args;
1097 uint64_t buf_offset;
1098
1099 if (entering(tcp))
1100 tprints(", ");
1101 else if (syserror(tcp))
1102 break;
1103 else
1104 tprints(" => ");
1105
1106 if (umove_or_printaddr(tcp, arg, &args))
1107 break;
1108
1109 buf_offset = offsetof(struct btrfs_ioctl_search_args, buf);
1110 btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
1111 sizeof(args.buf), false);
1112 if (entering(tcp))
1113 return 0;
1114 break;
1115 }
1116
1117 case BTRFS_IOC_TREE_SEARCH_V2: { /* RW */
1118 struct btrfs_ioctl_search_args_v2 args;
1119 uint64_t buf_offset;
1120
1121 if (entering(tcp))
1122 tprints(", ");
1123 else if (syserror(tcp)) {
1124 if (tcp->u_error == EOVERFLOW) {
1125 tprints(" => ");
1126 if (!umove_or_printaddr_ignore_syserror(tcp,
1127 arg, &args)) {
1128 PRINT_FIELD_U("{", args, buf_size);
1129 tprints("}");
1130 }
1131 }
1132 break;
1133 } else
1134 tprints(" => ");
1135
1136 if (umove_or_printaddr(tcp, arg, &args))
1137 break;
1138
1139 buf_offset = offsetof(struct btrfs_ioctl_search_args_v2, buf);
1140 btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
1141 args.buf_size, true);
1142 if (entering(tcp))
1143 return 0;
1144 break;
1145 }
1146
1147 case BTRFS_IOC_SEND: { /* W */
1148 struct_btrfs_ioctl_send_args args;
1149
1150 tprints(", ");
1151 if (umove_or_printaddr(tcp, arg, &args))
1152 break;
1153
1154 PRINT_FIELD_FD("{", args, send_fd, tcp);
1155 PRINT_FIELD_U(", ", args, clone_sources_count);
1156
1157 tprints(", clone_sources=");
1158 if (abbrev(tcp))
1159 printaddr((uintptr_t) args.clone_sources);
1160 else {
1161 uint64_t record;
1162 print_array(tcp, ptr_to_kulong(args.clone_sources),
1163 args.clone_sources_count,
1164 &record, sizeof(record),
1165 tfetch_mem,
1166 print_objectid_callback, 0);
1167 }
1168 btrfs_print_objectid(", ", args, parent_root);
1169 PRINT_FIELD_FLAGS(", ", args, flags, btrfs_send_flags,
1170 "BTRFS_SEND_FLAGS_???");
1171 tprints("}");
1172 break;
1173 }
1174
1175 case BTRFS_IOC_SPACE_INFO: { /* RW */
1176 struct btrfs_ioctl_space_args args;
1177
1178 if (entering(tcp))
1179 tprints(", ");
1180 else if (syserror(tcp))
1181 break;
1182 else
1183 tprints(" => ");
1184
1185 if (umove_or_printaddr(tcp, arg, &args))
1186 break;
1187
1188 if (entering(tcp)) {
1189 PRINT_FIELD_U("{", args, space_slots);
1190 tprints("}");
1191 return 0;
1192 }
1193
1194 PRINT_FIELD_U("{", args, total_spaces);
1195
1196 if (args.space_slots == 0 && args.total_spaces) {
1197 tprints("}");
1198 break;
1199 }
1200
1201 if (abbrev(tcp)) {
1202 tprints(", ...");
1203 } else {
1204 struct btrfs_ioctl_space_info info;
1205 tprints(", spaces=");
1206 print_array(tcp, arg + offsetof(typeof(args), spaces),
1207 args.total_spaces,
1208 &info, sizeof(info), tfetch_mem,
1209 print_btrfs_ioctl_space_info, 0);
1210 }
1211 tprints("}");
1212 break;
1213 }
1214
1215 case BTRFS_IOC_SNAP_CREATE:
1216 case BTRFS_IOC_RESIZE:
1217 case BTRFS_IOC_SCAN_DEV:
1218 case BTRFS_IOC_ADD_DEV:
1219 case BTRFS_IOC_RM_DEV:
1220 case BTRFS_IOC_SUBVOL_CREATE:
1221 case BTRFS_IOC_SNAP_DESTROY:
1222 case BTRFS_IOC_DEVICES_READY: { /* W */
1223 struct btrfs_ioctl_vol_args args;
1224
1225 tprints(", ");
1226 if (umove_or_printaddr(tcp, arg, &args))
1227 break;
1228
1229 PRINT_FIELD_FD("{", args, fd, tcp);
1230 PRINT_FIELD_CSTRING(", ", args, name);
1231 tprints("}");
1232 break;
1233 }
1234
1235 case BTRFS_IOC_SNAP_CREATE_V2:
1236 case BTRFS_IOC_SUBVOL_CREATE_V2: { /* code is W, but is actually RW */
1237 struct_btrfs_ioctl_vol_args_v2 args;
1238
1239 if (entering(tcp))
1240 tprints(", ");
1241 else if (syserror(tcp))
1242 break;
1243 else
1244 tprints(" => ");
1245
1246 if (umove_or_printaddr(tcp, arg, &args))
1247 break;
1248
1249 if (entering(tcp)) {
1250 PRINT_FIELD_FD("{", args, fd, tcp);
1251 PRINT_FIELD_FLAGS(", ", args, flags,
1252 btrfs_snap_flags_v2,
1253 "BTRFS_SUBVOL_???");
1254 if (args.flags & BTRFS_SUBVOL_QGROUP_INHERIT) {
1255 PRINT_FIELD_U(", ", args, size);
1256 tprints(", qgroup_inherit=");
1257 btrfs_print_qgroup_inherit(tcp,
1258 ptr_to_kulong(args.qgroup_inherit));
1259 }
1260 PRINT_FIELD_CSTRING(", ", args, name);
1261 tprints("}");
1262 return 0;
1263 }
1264 PRINT_FIELD_U("{", args, transid);
1265 tprints("}");
1266 break;
1267 }
1268
1269 case BTRFS_IOC_GET_FSLABEL: /* R */
1270 if (entering(tcp))
1271 return 0;
1272 ATTRIBUTE_FALLTHROUGH;
1273 case BTRFS_IOC_SET_FSLABEL: { /* W */
1274 char label[BTRFS_LABEL_SIZE];
1275
1276 tprints(", ");
1277 if (umove_or_printaddr(tcp, arg, &label))
1278 break;
1279 print_quoted_cstring(label, sizeof(label));
1280 break;
1281 }
1282
1283 case BTRFS_IOC_CLONE: /* FICLONE */
1284 case BTRFS_IOC_CLONE_RANGE: /* FICLONERANGE */
1285 #ifdef BTRFS_IOC_FILE_EXTENT_SAME
1286 case BTRFS_IOC_FILE_EXTENT_SAME: /* FIDEDUPERANGE */
1287 #endif
1288 /*
1289 * FICLONE, FICLONERANGE, and FIDEDUPERANGE started out as
1290 * btrfs ioctls and the code was kept for the generic
1291 * implementations. We use the BTRFS_* names here because
1292 * they will be available on older systems.
1293 */
1294 return file_ioctl(tcp, code, arg);
1295
1296 default:
1297 return RVAL_DECODED;
1298 };
1299 return RVAL_IOCTL_DECODED;
1300 }
1301 #endif /* HAVE_LINUX_BTRFS_H */
1302