granicus.if.org Git - strace/blob - btrfs.c

   1 /*
   2  * Copyright (c) 2016 Jeff Mahoney <jeffm@suse.com>
   3  * Copyright (c) 2016-2019 The strace developers.
   4  * All rights reserved.
   5  *
   6  * SPDX-License-Identifier: LGPL-2.1-or-later
   7  */
   8
   9 #include "defs.h"
  10
  11 #ifdef HAVE_LINUX_BTRFS_H
  12
  13 # include DEF_MPERS_TYPE(struct_btrfs_ioctl_dev_replace_args)
  14 # include DEF_MPERS_TYPE(struct_btrfs_ioctl_send_args)
  15 # include DEF_MPERS_TYPE(struct_btrfs_ioctl_received_subvol_args)
  16 # include DEF_MPERS_TYPE(struct_btrfs_ioctl_vol_args_v2)
  17
  18 # include <linux/btrfs.h>
  19
  20 typedef struct btrfs_ioctl_dev_replace_args
  21         struct_btrfs_ioctl_dev_replace_args;
  22 typedef struct btrfs_ioctl_send_args
  23         struct_btrfs_ioctl_send_args;
  24 typedef struct btrfs_ioctl_received_subvol_args
  25         struct_btrfs_ioctl_received_subvol_args;
  26 typedef struct btrfs_ioctl_vol_args_v2
  27         struct_btrfs_ioctl_vol_args_v2;
  28
  29 #endif /* HAVE_LINUX_BTRFS_H */
  30
  31 #include MPERS_DEFS
  32
  33 #ifdef HAVE_LINUX_BTRFS_H
  34
  35 # include "print_fields.h"
  36 # include <linux/fs.h>
  37
  38 /*
  39  * Prior to Linux 3.12, the BTRFS_IOC_DEFAULT_SUBVOL used u64 in
  40  * its definition, which isn't exported by the kernel.
  41  */
  42 typedef __u64 u64;
  43
  44 # ifndef HAVE_STRUCT_BTRFS_IOCTL_FEATURE_FLAGS_COMPAT_FLAGS
  45 struct btrfs_ioctl_feature_flags {
  46         uint64_t compat_flags;
  47         uint64_t compat_ro_flags;
  48         uint64_t incompat_flags;
  49 };
  50 # endif
  51
  52 # ifndef HAVE_STRUCT_BTRFS_IOCTL_DEFRAG_RANGE_ARGS_START
  53 struct btrfs_ioctl_defrag_range_args {
  54         uint64_t start;
  55         uint64_t len;
  56         uint64_t flags;
  57         uint32_t extent_thresh;
  58         uint32_t compress_type;
  59         uint32_t unused[4];
  60 };
  61 # endif
  62
  63 # ifndef BTRFS_LABEL_SIZE
  64 #  define BTRFS_LABEL_SIZE 256
  65 # endif
  66
  67 # ifndef BTRFS_IOC_QUOTA_RESCAN
  68 struct btrfs_ioctl_quota_rescan_args {
  69         uint64_t flags, progress, reserved[6];
  70 };
  71 #  define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
  72                                         struct btrfs_ioctl_quota_rescan_args)
  73 #  define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
  74                                         struct btrfs_ioctl_quota_rescan_args)
  75 # endif
  76
  77 # ifndef BTRFS_IOC_QUOTA_RESCAN_WAIT
  78 #  define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
  79 # endif
  80
  81 # ifndef BTRFS_IOC_GET_FEATURES
  82 #  define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
  83                                         struct btrfs_ioctl_feature_flags)
  84 #  define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \
  85                                         struct btrfs_ioctl_feature_flags[2])
  86 #  define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
  87                                         struct btrfs_ioctl_feature_flags[3])
  88 # endif
  89
  90 # ifndef BTRFS_IOC_TREE_SEARCH_V2
  91 #  define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
  92                                         struct btrfs_ioctl_search_args_v2)
  93 struct btrfs_ioctl_search_args_v2 {
  94         struct btrfs_ioctl_search_key key; /* in/out - search parameters */
  95         uint64_t buf_size;                 /* in - size of buffer
  96                                             * out - on EOVERFLOW: needed size
  97                                             *       to store item */
  98         uint64_t buf[0];                   /* out - found items */
  99 };
 100 # endif
 101
 102 # include "xlat/btrfs_balance_args.h"
 103 # include "xlat/btrfs_balance_ctl_cmds.h"
 104 # include "xlat/btrfs_balance_flags.h"
 105 # include "xlat/btrfs_balance_state.h"
 106 # include "xlat/btrfs_compress_types.h"
 107 # include "xlat/btrfs_cont_reading_from_srcdev_mode.h"
 108 # include "xlat/btrfs_defrag_flags.h"
 109 # include "xlat/btrfs_dev_replace_cmds.h"
 110 # include "xlat/btrfs_dev_replace_results.h"
 111 # include "xlat/btrfs_dev_replace_state.h"
 112 # include "xlat/btrfs_dev_stats_flags.h"
 113 # include "xlat/btrfs_dev_stats_values.h"
 114 # include "xlat/btrfs_features_compat.h"
 115 # include "xlat/btrfs_features_compat_ro.h"
 116 # include "xlat/btrfs_features_incompat.h"
 117 # include "xlat/btrfs_key_types.h"
 118 # include "xlat/btrfs_logical_ino_args_flags.h"
 119 # include "xlat/btrfs_qgroup_ctl_cmds.h"
 120 # include "xlat/btrfs_qgroup_inherit_flags.h"
 121 # include "xlat/btrfs_qgroup_limit_flags.h"
 122 # include "xlat/btrfs_qgroup_status_flags.h"
 123 # include "xlat/btrfs_scrub_flags.h"
 124 # include "xlat/btrfs_send_flags.h"
 125 # include "xlat/btrfs_snap_flags_v2.h"
 126 # include "xlat/btrfs_space_info_flags.h"
 127 # include "xlat/btrfs_tree_objectids.h"
 128
 129 static void
 130 btrfs_print_balance_args(const char *name, const struct btrfs_balance_args *bba)
 131 {
 132         tprintf(", %s=", name);
 133         PRINT_FIELD_FLAGS("{", *bba, profiles, btrfs_space_info_flags,
 134                           "BTRFS_BLOCK_GROUP_???");
 135         PRINT_FIELD_U64(", ", *bba, usage);
 136         PRINT_FIELD_DEV(", ", *bba, devid);
 137         PRINT_FIELD_U64(", ", *bba, pstart);
 138         PRINT_FIELD_U64(", ", *bba, pend);
 139         PRINT_FIELD_U64(", ", *bba, vstart);
 140         PRINT_FIELD_U64(", ", *bba, vend);
 141         PRINT_FIELD_U64(", ", *bba, target);
 142         PRINT_FIELD_FLAGS(", ", *bba, flags, btrfs_balance_args,
 143                           "BTRFS_BALANCE_ARGS_???");
 144         tprints("}");
 145 }
 146
 147 static void
 148 btrfs_print_balance(struct tcb *const tcp, const kernel_ulong_t arg, bool out)
 149 {
 150         struct btrfs_ioctl_balance_args balance_args;
 151
 152         if (umove_or_printaddr(tcp, arg, &balance_args))
 153                 return;
 154
 155         PRINT_FIELD_FLAGS("{", balance_args, flags, btrfs_balance_flags,
 156                           "BTRFS_BALANCE_???");
 157         if (out)
 158                 PRINT_FIELD_FLAGS(", ", balance_args, state,
 159                                   btrfs_balance_state,
 160                                   "BTRFS_BALANCE_STATE_???");
 161
 162         if (balance_args.flags & BTRFS_BALANCE_DATA)
 163                 btrfs_print_balance_args("data", &balance_args.data);
 164         if (balance_args.flags & BTRFS_BALANCE_METADATA)
 165                 btrfs_print_balance_args("meta", &balance_args.meta);
 166         if (balance_args.flags & BTRFS_BALANCE_SYSTEM)
 167                 btrfs_print_balance_args("sys", &balance_args.sys);
 168         tprints("}");
 169 }
 170
 171 static void
 172 btrfs_print_features(const struct btrfs_ioctl_feature_flags *flags)
 173 {
 174         PRINT_FIELD_FLAGS("{", *flags, compat_flags, btrfs_features_compat,
 175                           "BTRFS_FEATURE_COMPAT_???");
 176         PRINT_FIELD_FLAGS(", ", *flags, compat_ro_flags,
 177                           btrfs_features_compat_ro,
 178                           "BTRFS_FEATURE_COMPAT_RO_???");
 179         PRINT_FIELD_FLAGS(", ", *flags, incompat_flags, btrfs_features_incompat,
 180                           "BTRFS_FEATURE_INCOMPAT_???");
 181         tprints("}");
 182 }
 183
 184 static void
 185 btrfs_print_qgroup_limit(const struct btrfs_qgroup_limit *lim)
 186 {
 187         PRINT_FIELD_FLAGS(", lim={", *lim, flags, btrfs_qgroup_limit_flags,
 188                           "BTRFS_QGROUP_LIMIT_???");
 189         PRINT_FIELD_U(", ", *lim, max_rfer);
 190         PRINT_FIELD_U(", ", *lim, max_excl);
 191         PRINT_FIELD_U(", ", *lim, rsv_rfer);
 192         PRINT_FIELD_U(", ", *lim, rsv_excl);
 193         tprints("}");
 194 }
 195
 196 # define btrfs_print_key_type(prefix_, where_, field_) \
 197         PRINT_FIELD_XVAL_U((prefix_), (where_), field_, btrfs_key_types, NULL)
 198 # define btrfs_print_objectid(prefix_, where_, field_) \
 199         PRINT_FIELD_XVAL_U((prefix_), (where_), field_, btrfs_tree_objectids, \
 200                            NULL)
 201
 202 static void
 203 btrfs_print_data_container_header(const struct btrfs_data_container *container)
 204 {
 205         PRINT_FIELD_U("{", *container, bytes_left);
 206         PRINT_FIELD_U(", ", *container, bytes_missing);
 207         PRINT_FIELD_U(", ", *container, elem_cnt);
 208         PRINT_FIELD_U(", ", *container, elem_missed);
 209 }
 210
 211 static void
 212 btrfs_print_data_container_footer(void)
 213 {
 214         tprints("}");
 215 }
 216
 217 static bool
 218 print_btrfs_data_container_logical_ino(struct tcb *tcp, void *elem_buf,
 219                                        size_t elem_size, void *data)
 220 {
 221         const struct {
 222                 uint64_t inum;
 223                 uint64_t offset;
 224                 uint64_t root;
 225         } *const record = elem_buf;
 226
 227         PRINT_FIELD_U("{", *record, inum);
 228         PRINT_FIELD_U(", ", *record, offset);
 229         PRINT_FIELD_U(", ", *record, root);
 230         tprints("}");
 231
 232         return true;
 233 }
 234
 235 static void
 236 btrfs_print_logical_ino_container(struct tcb *tcp,
 237                                   const uint64_t inodes_addr)
 238 {
 239         struct btrfs_data_container container;
 240
 241         if (umove_or_printaddr(tcp, inodes_addr, &container))
 242                 return;
 243
 244         btrfs_print_data_container_header(&container);
 245
 246         if (abbrev(tcp)) {
 247                 tprints(", ...");
 248         } else {
 249                 const uint64_t val_addr =
 250                         inodes_addr + offsetof(typeof(container), val);
 251                 uint64_t record[3];
 252                 tprints(", val=");
 253                 print_array(tcp, val_addr, container.elem_cnt / 3,
 254                             record, sizeof(record),
 255                             tfetch_mem,
 256                             print_btrfs_data_container_logical_ino, 0);
 257         }
 258
 259         btrfs_print_data_container_footer();
 260 }
 261
 262 static bool
 263 print_btrfs_data_container_ino_path(struct tcb *tcp, void *elem_buf,
 264                                        size_t elem_size, void *data)
 265 {
 266         const uint64_t *const offset = elem_buf;
 267         const uint64_t *const val_addr = data;
 268
 269         printpath(tcp, *val_addr + *offset);
 270
 271         return true;
 272 }
 273
 274 static void
 275 btrfs_print_ino_path_container(struct tcb *tcp,
 276                                const uint64_t fspath_addr)
 277 {
 278         struct btrfs_data_container container;
 279
 280         if (umove_or_printaddr(tcp, fspath_addr, &container))
 281                 return;
 282
 283         btrfs_print_data_container_header(&container);
 284
 285         if (abbrev(tcp)) {
 286                 tprints(", ...");
 287         } else {
 288                 uint64_t val_addr =
 289                         fspath_addr + offsetof(typeof(container), val);
 290                 uint64_t offset;
 291                 tprints(", val=");
 292                 print_array(tcp, val_addr, container.elem_cnt,
 293                             &offset, sizeof(offset),
 294                             tfetch_mem,
 295                             print_btrfs_data_container_ino_path, &val_addr);
 296         }
 297
 298         btrfs_print_data_container_footer();
 299 }
 300
 301 static void
 302 btrfs_print_qgroup_inherit(struct tcb *const tcp, const kernel_ulong_t qgi_addr)
 303 {
 304         struct btrfs_qgroup_inherit inherit;
 305
 306         if (umove_or_printaddr(tcp, qgi_addr, &inherit))
 307                 return;
 308
 309         PRINT_FIELD_FLAGS("{", inherit, flags, btrfs_qgroup_inherit_flags,
 310                           "BTRFS_QGROUP_INHERIT_???");
 311         PRINT_FIELD_U(", ", inherit, num_qgroups);
 312         PRINT_FIELD_U(", ", inherit, num_ref_copies);
 313         PRINT_FIELD_U(", ", inherit, num_excl_copies);
 314
 315         btrfs_print_qgroup_limit(&inherit.lim);
 316
 317         if (abbrev(tcp)) {
 318                 tprints(", ...");
 319         } else {
 320                 uint64_t record;
 321                 tprints(", qgroups=");
 322                 print_array(tcp, qgi_addr + offsetof(typeof(inherit), qgroups),
 323                             inherit.num_qgroups, &record, sizeof(record),
 324                             tfetch_mem, print_uint64_array_member, 0);
 325         }
 326         tprints("}");
 327 }
 328
 329 static void
 330 btrfs_print_tree_search(struct tcb *tcp, struct btrfs_ioctl_search_key *key,
 331                         uint64_t buf_addr, uint64_t buf_size, bool print_size)
 332 {
 333         if (entering(tcp)) {
 334                 btrfs_print_objectid("{key={", *key, tree_id);
 335
 336                 if (key->min_objectid != BTRFS_FIRST_FREE_OBJECTID ||
 337                     !abbrev(tcp))
 338                         btrfs_print_objectid(", ", *key, min_objectid);
 339
 340                 if (key->max_objectid != BTRFS_LAST_FREE_OBJECTID ||
 341                     !abbrev(tcp))
 342                         btrfs_print_objectid(", ", *key, max_objectid);
 343
 344                 PRINT_FIELD_U64(", ", *key, min_offset);
 345                 PRINT_FIELD_U64(", ", *key, max_offset);
 346                 PRINT_FIELD_U64(", ", *key, min_transid);
 347                 PRINT_FIELD_U64(", ", *key, max_transid);
 348
 349                 btrfs_print_key_type(", ", *key, min_type);
 350                 btrfs_print_key_type(", ", *key, max_type);
 351                 PRINT_FIELD_U(", ", *key, nr_items);
 352                 tprints("}");
 353                 if (print_size)
 354                         tprintf(", buf_size=%" PRIu64, buf_size);
 355                 tprints("}");
 356         } else {
 357                 PRINT_FIELD_U("{key={", *key, nr_items);
 358                 tprints("}");
 359                 if (print_size)
 360                         tprintf(", buf_size=%" PRIu64, buf_size);
 361                 if (abbrev(tcp)) {
 362                         tprints(", ...");
 363                 } else {
 364                         uint64_t i;
 365                         uint64_t off = 0;
 366                         tprints(", buf=[");
 367                         for (i = 0; i < key->nr_items; i++) {
 368                                 struct btrfs_ioctl_search_header sh;
 369                                 uint64_t addr = buf_addr + off;
 370                                 if (i)
 371                                         tprints(", ");
 372                                 if (i > max_strlen) {
 373                                         tprints("...");
 374                                         break;
 375                                 }
 376                                 if (umove(tcp, addr, &sh)) {
 377                                         tprints("...");
 378                                         printaddr_comment(addr);
 379                                         break;
 380                                 }
 381                                 PRINT_FIELD_U("{", sh, transid);
 382                                 btrfs_print_objectid(", ", sh, objectid);
 383                                 PRINT_FIELD_U(", ", sh, offset);
 384                                 btrfs_print_key_type(", ", sh, type);
 385                                 PRINT_FIELD_U(", ", sh, len);
 386                                 tprints("}");
 387                                 off += sizeof(sh) + sh.len;
 388
 389                         }
 390                         tprints("]");
 391                 }
 392                 tprints("}");
 393         }
 394 }
 395
 396 static bool
 397 print_objectid_callback(struct tcb *tcp, void *elem_buf,
 398                         size_t elem_size, void *data)
 399 {
 400         printxvals_ex(*(uint64_t *) elem_buf, NULL, XLAT_STYLE_FMT_U,
 401                       btrfs_tree_objectids, NULL);
 402
 403         return true;
 404 }
 405
 406 static bool
 407 print_btrfs_ioctl_space_info(struct tcb *tcp, void *elem_buf,
 408                              size_t elem_size, void *data)
 409 {
 410         const struct btrfs_ioctl_space_info *info = elem_buf;
 411
 412         PRINT_FIELD_FLAGS("{", *info, flags, btrfs_space_info_flags,
 413                           "BTRFS_SPACE_INFO_???");
 414         PRINT_FIELD_U(", ", *info, total_bytes);
 415         PRINT_FIELD_U(", ", *info, used_bytes);
 416         tprints("}");
 417
 418         return true;
 419 }
 420
 421 static void
 422 print_btrfs_timespec(const char *prefix, uint64_t sec, uint32_t nsec)
 423 {
 424         tprintf("%s{sec=%" PRIu64 ", nsec=%u}", prefix, sec, nsec);
 425         tprints_comment(sprinttime_nsec(sec, nsec));
 426 }
 427
 428 MPERS_PRINTER_DECL(int, btrfs_ioctl,
 429                    struct tcb *const tcp, const unsigned int code,
 430                    const kernel_ulong_t arg)
 431 {
 432         switch (code) {
 433         /* Take no arguments; command only. */
 434         case BTRFS_IOC_TRANS_START:
 435         case BTRFS_IOC_TRANS_END:
 436         case BTRFS_IOC_SYNC:
 437         case BTRFS_IOC_SCRUB_CANCEL:
 438         case BTRFS_IOC_QUOTA_RESCAN_WAIT:
 439         /*
 440          * The codes for these ioctls are based on each accepting a
 441          * vol_args but none of them actually consume an argument.
 442          */
 443         case BTRFS_IOC_DEFRAG:
 444         case BTRFS_IOC_BALANCE:
 445                 break;
 446
 447         /* takes a signed int */
 448         case BTRFS_IOC_BALANCE_CTL:
 449                 tprints(", ");
 450                 printxval(btrfs_balance_ctl_cmds, arg, "BTRFS_BALANCE_CTL_???");
 451                 break;
 452
 453         /* returns a 64 */
 454         case BTRFS_IOC_START_SYNC: /* R */
 455                 if (entering(tcp))
 456                         return 0;
 457         ATTRIBUTE_FALLTHROUGH;
 458         /* takes a u64 */
 459         case BTRFS_IOC_DEFAULT_SUBVOL: /* W */
 460         case BTRFS_IOC_WAIT_SYNC: /* W */
 461                 tprints(", ");
 462                 printnum_int64(tcp, arg, "%" PRIu64);
 463                 break;
 464
 465         /* u64 but describe a flags bitfield; we can make that symbolic */
 466         case BTRFS_IOC_SUBVOL_GETFLAGS: { /* R */
 467                 uint64_t flags;
 468
 469                 if (entering(tcp))
 470                         return 0;
 471
 472                 tprints(", ");
 473
 474                 if (umove_or_printaddr(tcp, arg, &flags))
 475                         break;
 476
 477                 printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
 478                 break;
 479         }
 480
 481         case BTRFS_IOC_SUBVOL_SETFLAGS: { /* W */
 482                 uint64_t flags;
 483
 484                 tprints(", ");
 485
 486                 if (umove_or_printaddr(tcp, arg, &flags))
 487                         break;
 488
 489                 printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
 490                 break;
 491         }
 492
 493         /* More complex types */
 494         case BTRFS_IOC_BALANCE_V2: /* RW */
 495                 if (entering(tcp)) {
 496                         tprints(", ");
 497                         btrfs_print_balance(tcp, arg, false);
 498                         return 0;
 499                 }
 500
 501                 if (syserror(tcp))
 502                         break;
 503
 504                 tprints(" => ");
 505                 btrfs_print_balance(tcp, arg, true);
 506                 break;
 507         case BTRFS_IOC_BALANCE_PROGRESS: /* R */
 508                 if (entering(tcp))
 509                         return 0;
 510
 511                 tprints(", ");
 512                 btrfs_print_balance(tcp, arg, true);
 513                 break;
 514
 515         case BTRFS_IOC_DEFRAG_RANGE: { /* W */
 516                 struct btrfs_ioctl_defrag_range_args args;
 517
 518                 tprints(", ");
 519
 520                 if (umove_or_printaddr(tcp, arg, &args))
 521                         break;
 522
 523                 PRINT_FIELD_U("{", args, start);
 524                 PRINT_FIELD_U64(", ", args, len);
 525
 526                 PRINT_FIELD_FLAGS(", ", args, flags, btrfs_defrag_flags,
 527                                   "BTRFS_DEFRAG_RANGE_???");
 528                 PRINT_FIELD_U(", ", args, extent_thresh);
 529                 PRINT_FIELD_XVAL(", ", args, compress_type,
 530                                  btrfs_compress_types, "BTRFS_COMPRESS_???");
 531                 tprints("}");
 532                 break;
 533         }
 534
 535         case BTRFS_IOC_DEV_INFO: { /* RW */
 536                 struct btrfs_ioctl_dev_info_args args;
 537
 538                 if (entering(tcp))
 539                         tprints(", ");
 540                 else if (syserror(tcp))
 541                         break;
 542                 else
 543                         tprints(" => ");
 544                 if (umove_or_printaddr(tcp, arg, &args))
 545                         break;
 546
 547                 if (entering(tcp)) {
 548                         PRINT_FIELD_DEV("{", args, devid);
 549                         if (!IS_ARRAY_ZERO(args.uuid))
 550                                 PRINT_FIELD_UUID(", ", args, uuid);
 551                         tprints("}");
 552                         return 0;
 553                 }
 554
 555                 tprints("{");
 556
 557                 if (!IS_ARRAY_ZERO(args.uuid)) {
 558                         PRINT_FIELD_UUID("", args, uuid);
 559                         tprints(", ");
 560                 }
 561
 562                 PRINT_FIELD_U("", args, bytes_used);
 563                 PRINT_FIELD_U(", ", args, total_bytes);
 564                 PRINT_FIELD_CSTRING(", ", args, path);
 565                 tprints("}");
 566
 567                 break;
 568         }
 569
 570         case BTRFS_IOC_DEV_REPLACE: { /* RW */
 571                 struct_btrfs_ioctl_dev_replace_args args;
 572
 573                 if (entering(tcp))
 574                         tprints(", ");
 575                 else if (syserror(tcp))
 576                         break;
 577                 else
 578                         tprints(" => ");
 579
 580                 if (umove_or_printaddr(tcp, arg, &args))
 581                         break;
 582
 583                 if (entering(tcp)) {
 584                         PRINT_FIELD_XVAL("{", args, cmd, btrfs_dev_replace_cmds,
 585                                          "BTRFS_IOCTL_DEV_REPLACE_CMD_???");
 586                         if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_START) {
 587                                 PRINT_FIELD_DEV(", start={", args.start,
 588                                               srcdevid);
 589                                 PRINT_FIELD_XVAL(", ", args.start,
 590                                         cont_reading_from_srcdev_mode,
 591                                         btrfs_cont_reading_from_srcdev_mode,
 592                                         "BTRFS_IOCTL_DEV_REPLACE_CONT_READING"
 593                                         "_FROM_SRCDEV_MODE_???");
 594                                 PRINT_FIELD_CSTRING(", ", args.start,
 595                                                     srcdev_name);
 596                                 PRINT_FIELD_CSTRING(", ", args.start,
 597                                                     tgtdev_name);
 598                                 tprints("}");
 599
 600                         }
 601                         tprints("}");
 602                         return 0;
 603                 }
 604
 605                 PRINT_FIELD_XVAL("{", args, result, btrfs_dev_replace_results,
 606                                  "BTRFS_IOCTL_DEV_REPLACE_RESULT_???");
 607                 if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS) {
 608                         PRINT_FIELD_XVAL(", status={", args.status,
 609                                          replace_state, btrfs_dev_replace_state,
 610                                          "BTRFS_IOCTL_DEV_REPLACE_STATE_???");
 611
 612                         PRINT_FIELD_U(", ", args.status, progress_1000);
 613                         if (args.status.progress_1000 <= 1000)
 614                                 tprintf_comment("%u.%u%%",
 615                                         (unsigned) args.status.progress_1000 / 10,
 616                                         (unsigned) args.status.progress_1000 % 10);
 617
 618                         PRINT_FIELD_U(", ", args.status, time_started);
 619                         tprints_comment(sprinttime(args.status.time_started));
 620
 621                         PRINT_FIELD_U(", ", args.status, time_stopped);
 622                         tprints_comment(sprinttime(args.status.time_stopped));
 623
 624                         PRINT_FIELD_U(", ", args.status, num_write_errors);
 625                         PRINT_FIELD_U(", ", args.status,
 626                                       num_uncorrectable_read_errors);
 627                 }
 628                 tprints("}");
 629                 break;
 630         }
 631
 632         case BTRFS_IOC_GET_FEATURES: { /* R */
 633                 struct btrfs_ioctl_feature_flags flags;
 634
 635                 if (entering(tcp))
 636                         return 0;
 637
 638                 tprints(", ");
 639                 if (umove_or_printaddr(tcp, arg, &flags))
 640                         break;
 641
 642                 btrfs_print_features(&flags);
 643                 break;
 644         }
 645
 646         case BTRFS_IOC_SET_FEATURES: { /* W */
 647                 struct btrfs_ioctl_feature_flags flarg[2];
 648
 649                 tprints(", ");
 650
 651                 if (umove_or_printaddr(tcp, arg, &flarg))
 652                         break;
 653
 654                 tprints("[");
 655                 btrfs_print_features(&flarg[0]);
 656                 tprints(", ");
 657                 btrfs_print_features(&flarg[1]);
 658                 tprints("]");
 659                 break;
 660         }
 661
 662         case BTRFS_IOC_GET_SUPPORTED_FEATURES: { /* R */
 663                 struct btrfs_ioctl_feature_flags flarg[3];
 664
 665                 if (entering(tcp))
 666                         return 0;
 667
 668                 tprints(", ");
 669                 if (umove_or_printaddr(tcp, arg, &flarg))
 670                         break;
 671
 672                 tprints("[");
 673                 btrfs_print_features(&flarg[0]);
 674                 tprints_comment("supported");
 675
 676                 tprints(", ");
 677                 btrfs_print_features(&flarg[1]);
 678                 tprints_comment("safe to set");
 679
 680                 tprints(", ");
 681                 btrfs_print_features(&flarg[2]);
 682                 tprints_comment("safe to clear");
 683                 tprints("]");
 684
 685                 break;
 686         }
 687
 688         case BTRFS_IOC_FS_INFO: { /* R */
 689                 struct btrfs_ioctl_fs_info_args args;
 690                 uint32_t nodesize, sectorsize, clone_alignment;
 691 # ifndef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
 692                 uint32_t *reserved32;
 693 # endif
 694
 695                 if (entering(tcp))
 696                         return 0;
 697
 698                 tprints(", ");
 699                 if (umove_or_printaddr(tcp, arg, &args))
 700                         break;
 701
 702 # ifdef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
 703                 nodesize = args.nodesize,
 704                 sectorsize = args.sectorsize,
 705                 clone_alignment = args.clone_alignment;
 706 # else
 707                 reserved32 = (void *) args.reserved;
 708                 nodesize = reserved32[0];
 709                 sectorsize = reserved32[1];
 710                 clone_alignment = reserved32[2];
 711 # endif
 712                 PRINT_FIELD_U("{", args, max_id);
 713                 PRINT_FIELD_U(", ", args, num_devices);
 714                 PRINT_FIELD_UUID(", ", args, fsid);
 715                 tprintf(", nodesize=%u, sectorsize=%u, clone_alignment=%u",
 716                         nodesize, sectorsize, clone_alignment);
 717                 tprints("}");
 718                 break;
 719         }
 720
 721         case BTRFS_IOC_GET_DEV_STATS: { /* RW */
 722                 struct btrfs_ioctl_get_dev_stats args;
 723                 uint64_t i;
 724
 725                 if (entering(tcp))
 726                         tprints(", ");
 727                 else if (syserror(tcp))
 728                         break;
 729                 else
 730                         tprints(" => ");
 731                 if (umove_or_printaddr(tcp, arg, &args))
 732                         break;
 733
 734                 tprints("{");
 735
 736                 if (entering(tcp)) {
 737                         PRINT_FIELD_DEV("", args, devid);
 738                         tprints(", ");
 739                 }
 740
 741                 PRINT_FIELD_U("", args, nr_items);
 742                 PRINT_FIELD_FLAGS(", ", args, flags, btrfs_dev_stats_flags,
 743                                   "BTRFS_DEV_STATS_???");
 744
 745                 if (entering(tcp)) {
 746                         tprints("}");
 747                         return 0;
 748                 }
 749
 750                 /*
 751                  * The structure has a 1k limit; Let's make sure we don't
 752                  * go off into the middle of nowhere with a bad nr_items
 753                  * value.
 754                  */
 755                 tprints(", [");
 756                 for (i = 0; i < args.nr_items; i++) {
 757                         if (i)
 758                                 tprints(", ");
 759                         if (i >= ARRAY_SIZE(args.values)) {
 760                                 tprints("...");
 761                                 break;
 762                         }
 763
 764                         tprints("[");
 765                         printxval_u(btrfs_dev_stats_values, i, NULL);
 766                         tprintf("] = %" PRI__u64, args.values[i]);
 767                 }
 768                 tprints("]}");
 769                 break;
 770         }
 771
 772         case BTRFS_IOC_INO_LOOKUP: { /* RW */
 773                 struct btrfs_ioctl_ino_lookup_args args;
 774
 775                 if (entering(tcp))
 776                         tprints(", ");
 777                 else if (syserror(tcp))
 778                         break;
 779                 else
 780                         tprints(" => ");
 781
 782                 if (umove_or_printaddr(tcp, arg, &args))
 783                         break;
 784
 785                 if (entering(tcp)) {
 786                         /* Use subvolume id of the containing root */
 787                         if (args.treeid == 0)
 788                                 set_tcb_priv_ulong(tcp, 1);
 789
 790                         btrfs_print_objectid("{", args, treeid);
 791                         btrfs_print_objectid(", ", args, objectid);
 792                         tprints("}");
 793                         return 0;
 794                 }
 795
 796                 tprints("{");
 797                 if (get_tcb_priv_ulong(tcp)) {
 798                         btrfs_print_objectid("", args, treeid);
 799                         tprints(", ");
 800                 }
 801
 802                 PRINT_FIELD_CSTRING("", args, name);
 803                 tprints("}");
 804                 break;
 805         }
 806
 807         case BTRFS_IOC_INO_PATHS: { /* RW */
 808                 struct btrfs_ioctl_ino_path_args args;
 809
 810                 if (entering(tcp))
 811                         tprints(", ");
 812                 else if (syserror(tcp))
 813                         break;
 814                 else
 815                         tprints(" => ");
 816
 817                 if (umove_or_printaddr(tcp, arg, &args))
 818                         break;
 819
 820                 if (entering(tcp)) {
 821                         PRINT_FIELD_U("{", args, inum);
 822                         PRINT_FIELD_U(", ", args, size);
 823                         PRINT_FIELD_ADDR64(", ", args, fspath);
 824                         tprints("}");
 825                         return 0;
 826                 }
 827
 828                 tprints("{fspath=");
 829                 btrfs_print_ino_path_container(tcp, args.fspath);
 830
 831                 tprints("}");
 832                 break;
 833         }
 834
 835         case BTRFS_IOC_LOGICAL_INO: { /* RW */
 836                 struct btrfs_ioctl_logical_ino_args args;
 837
 838                 if (entering(tcp))
 839                         tprints(", ");
 840                 else if (syserror(tcp))
 841                         break;
 842                 else
 843                         tprints(" => ");
 844
 845                 if (umove_or_printaddr(tcp, arg, &args))
 846                         break;
 847
 848                 if (entering(tcp)) {
 849                         PRINT_FIELD_U("{", args, logical);
 850                         PRINT_FIELD_U(", ", args, size);
 851
 852                         if (!IS_ARRAY_ZERO(args.reserved)) {
 853                                 tprints(", reserved=[");
 854                                 for (size_t i = 0; i < 3; ++i)
 855                                         tprintf("%s%#" PRI__x64,
 856                                                 i ? ", " : "",
 857                                                 args.reserved[i]);
 858                                 tprints("]");
 859                         }
 860
 861                         tprintf(", flags=");
 862                         printflags64(btrfs_logical_ino_args_flags,
 863 # ifdef HAVE_STRUCT_BTRFS_IOCTL_LOGICAL_INO_ARGS_FLAGS
 864                                      args.flags
 865 # else
 866                                      args.reserved[3]
 867 # endif
 868                                      , "BTRFS_LOGICAL_INO_ARGS_???");
 869                         PRINT_FIELD_ADDR64(", ", args, inodes);
 870                         tprints("}");
 871                         return 0;
 872                 }
 873
 874                 tprints("{inodes=");
 875                 btrfs_print_logical_ino_container(tcp, args.inodes);
 876
 877                 tprints("}");
 878                 break;
 879         }
 880
 881         case BTRFS_IOC_QGROUP_ASSIGN: { /* W */
 882                 struct btrfs_ioctl_qgroup_assign_args args;
 883
 884                 tprints(", ");
 885                 if (umove_or_printaddr(tcp, arg, &args))
 886                         break;
 887
 888                 PRINT_FIELD_U("{", args, assign);
 889                 PRINT_FIELD_U(", ", args, src);
 890                 PRINT_FIELD_U(", ", args, dst);
 891                 tprints("}");
 892                 break;
 893         }
 894
 895         case BTRFS_IOC_QGROUP_CREATE: { /* W */
 896                 struct btrfs_ioctl_qgroup_create_args args;
 897
 898                 tprints(", ");
 899                 if (umove_or_printaddr(tcp, arg, &args))
 900                         break;
 901
 902                 PRINT_FIELD_U("{", args, create);
 903                 PRINT_FIELD_U(", ", args, qgroupid);
 904                 tprints("}");
 905                 break;
 906         }
 907
 908         case BTRFS_IOC_QGROUP_LIMIT: { /* R */
 909                 struct btrfs_ioctl_qgroup_limit_args args;
 910
 911                 if (entering(tcp))
 912                         return 0;
 913
 914                 tprints(", ");
 915                 if (umove_or_printaddr(tcp, arg, &args))
 916                         break;
 917
 918                 PRINT_FIELD_U("{", args, qgroupid);
 919                 btrfs_print_qgroup_limit(&args.lim);
 920                 tprints("}");
 921                 break;
 922         }
 923
 924         case BTRFS_IOC_QUOTA_CTL: { /* W */
 925                 struct btrfs_ioctl_quota_ctl_args args;
 926
 927                 tprints(", ");
 928                 if (umove_or_printaddr(tcp, arg, &args))
 929                         break;
 930
 931                 PRINT_FIELD_XVAL("{", args, cmd, btrfs_qgroup_ctl_cmds,
 932                                  "BTRFS_QUOTA_CTL_???");
 933                 tprints("}");
 934
 935                 break;
 936         }
 937
 938         case BTRFS_IOC_QUOTA_RESCAN: { /* W */
 939                 struct btrfs_ioctl_quota_rescan_args args;
 940
 941                 tprints(", ");
 942                 if (umove_or_printaddr(tcp, arg, &args))
 943                         break;
 944
 945                 PRINT_FIELD_U("{", args, flags);
 946                 tprints("}");
 947                 break;
 948         }
 949
 950         case BTRFS_IOC_QUOTA_RESCAN_STATUS: { /* R */
 951                 struct btrfs_ioctl_quota_rescan_args args;
 952
 953                 if (entering(tcp))
 954                         return 0;
 955
 956                 tprints(", ");
 957                 if (umove_or_printaddr(tcp, arg, &args))
 958                         break;
 959
 960                 PRINT_FIELD_U("{", args, flags);
 961                 btrfs_print_objectid(", ", args, progress);
 962                 tprints("}");
 963                 break;
 964         }
 965
 966         case BTRFS_IOC_SET_RECEIVED_SUBVOL: { /* RW */
 967                 struct_btrfs_ioctl_received_subvol_args args;
 968
 969                 if (entering(tcp))
 970                         tprints(", ");
 971                 else if (syserror(tcp))
 972                         break;
 973                 else
 974                         tprints(" => ");
 975
 976                 if (umove_or_printaddr(tcp, arg, &args))
 977                         break;
 978
 979                 if (entering(tcp)) {
 980                         PRINT_FIELD_UUID("{", args, uuid);
 981                         PRINT_FIELD_U(", ", args, stransid);
 982                         print_btrfs_timespec(", stime=",
 983                                              args.stime.sec, args.stime.nsec);
 984                         PRINT_FIELD_U(", ", args, flags);
 985                         tprints("}");
 986                         return 0;
 987                 }
 988                 PRINT_FIELD_U("{", args, rtransid);
 989                 print_btrfs_timespec(", rtime=",
 990                                      args.rtime.sec, args.rtime.nsec);
 991                 tprints("}");
 992                 break;
 993         }
 994
 995         case BTRFS_IOC_SCRUB: /* RW */
 996         case BTRFS_IOC_SCRUB_PROGRESS: { /* RW */
 997                 struct btrfs_ioctl_scrub_args args;
 998
 999                 if (entering(tcp))
1000                         tprints(", ");
1001                 else if (syserror(tcp))
1002                         break;
1003                 else
1004                         tprints(" => ");
1005
1006                 if (umove_or_printaddr(tcp, arg, &args))
1007                         break;
1008
1009                 if (entering(tcp)) {
1010                         PRINT_FIELD_DEV("{", args, devid);
1011                         if (code == BTRFS_IOC_SCRUB) {
1012                                 PRINT_FIELD_U(", ", args, start);
1013                                 PRINT_FIELD_U64(", ", args, end);
1014                                 PRINT_FIELD_FLAGS(", ", args, flags,
1015                                                   btrfs_scrub_flags,
1016                                                   "BTRFS_SCRUB_???");
1017                         }
1018                         tprints("}");
1019                         return 0;
1020                 }
1021                 PRINT_FIELD_U("{progress={", args.progress,
1022                               data_extents_scrubbed);
1023                 PRINT_FIELD_U(", ", args.progress, tree_extents_scrubbed);
1024                 PRINT_FIELD_U(", ", args.progress, data_bytes_scrubbed);
1025                 PRINT_FIELD_U(", ", args.progress, tree_bytes_scrubbed);
1026                 PRINT_FIELD_U(", ", args.progress, read_errors);
1027                 PRINT_FIELD_U(", ", args.progress, csum_errors);
1028                 PRINT_FIELD_U(", ", args.progress, verify_errors);
1029                 PRINT_FIELD_U(", ", args.progress, no_csum);
1030                 PRINT_FIELD_U(", ", args.progress, csum_discards);
1031                 PRINT_FIELD_U(", ", args.progress, super_errors);
1032                 PRINT_FIELD_U(", ", args.progress, malloc_errors);
1033                 PRINT_FIELD_U(", ", args.progress, uncorrectable_errors);
1034                 PRINT_FIELD_U(", ", args.progress, corrected_errors);
1035                 PRINT_FIELD_U(", ", args.progress, last_physical);
1036                 PRINT_FIELD_U(", ", args.progress, unverified_errors);
1037                 tprints("}}");
1038                 break;
1039         }
1040
1041         case BTRFS_IOC_TREE_SEARCH: { /* RW */
1042                 struct btrfs_ioctl_search_args args;
1043                 uint64_t buf_offset;
1044
1045                 if (entering(tcp))
1046                         tprints(", ");
1047                 else if (syserror(tcp))
1048                         break;
1049                 else
1050                         tprints(" => ");
1051
1052                 if (umove_or_printaddr(tcp, arg, &args))
1053                         break;
1054
1055                 buf_offset = offsetof(struct btrfs_ioctl_search_args, buf);
1056                 btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
1057                                         sizeof(args.buf), false);
1058                 if (entering(tcp))
1059                         return 0;
1060                 break;
1061         }
1062
1063         case BTRFS_IOC_TREE_SEARCH_V2: { /* RW */
1064                 struct btrfs_ioctl_search_args_v2 args;
1065                 uint64_t buf_offset;
1066
1067                 if (entering(tcp))
1068                         tprints(", ");
1069                 else if (syserror(tcp)) {
1070                         if (tcp->u_error == EOVERFLOW) {
1071                                 tprints(" => ");
1072                                 if (!umove_or_printaddr_ignore_syserror(tcp,
1073                                     arg, &args)) {
1074                                         PRINT_FIELD_U("{", args, buf_size);
1075                                         tprints("}");
1076                                 }
1077                         }
1078                         break;
1079                 } else
1080                         tprints(" => ");
1081
1082                 if (umove_or_printaddr(tcp, arg, &args))
1083                         break;
1084
1085                 buf_offset = offsetof(struct btrfs_ioctl_search_args_v2, buf);
1086                 btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
1087                                         args.buf_size, true);
1088                 if (entering(tcp))
1089                         return 0;
1090                 break;
1091         }
1092
1093         case BTRFS_IOC_SEND: { /* W */
1094                 struct_btrfs_ioctl_send_args args;
1095
1096                 tprints(", ");
1097                 if (umove_or_printaddr(tcp, arg, &args))
1098                         break;
1099
1100                 PRINT_FIELD_FD("{", args, send_fd, tcp);
1101                 PRINT_FIELD_U(", ", args, clone_sources_count);
1102
1103                 tprints(", clone_sources=");
1104                 if (abbrev(tcp))
1105                         printaddr((uintptr_t) args.clone_sources);
1106                 else {
1107                         uint64_t record;
1108                         print_array(tcp, ptr_to_kulong(args.clone_sources),
1109                                     args.clone_sources_count,
1110                                     &record, sizeof(record),
1111                                     tfetch_mem,
1112                                     print_objectid_callback, 0);
1113                 }
1114                 btrfs_print_objectid(", ", args, parent_root);
1115                 PRINT_FIELD_FLAGS(", ", args, flags, btrfs_send_flags,
1116                                   "BTRFS_SEND_FLAGS_???");
1117                 tprints("}");
1118                 break;
1119         }
1120
1121         case BTRFS_IOC_SPACE_INFO: { /* RW */
1122                 struct btrfs_ioctl_space_args args;
1123
1124                 if (entering(tcp))
1125                         tprints(", ");
1126                 else if (syserror(tcp))
1127                         break;
1128                 else
1129                         tprints(" => ");
1130
1131                 if (umove_or_printaddr(tcp, arg, &args))
1132                         break;
1133
1134                 if (entering(tcp)) {
1135                         PRINT_FIELD_U("{", args, space_slots);
1136                         tprints("}");
1137                         return 0;
1138                 }
1139
1140                 PRINT_FIELD_U("{", args, total_spaces);
1141
1142                 if (args.space_slots == 0 && args.total_spaces) {
1143                         tprints("}");
1144                         break;
1145                 }
1146
1147                 if (abbrev(tcp)) {
1148                         tprints(", ...");
1149                 } else {
1150                         struct btrfs_ioctl_space_info info;
1151                         tprints(", spaces=");
1152                         print_array(tcp, arg + offsetof(typeof(args), spaces),
1153                                     args.total_spaces,
1154                                     &info, sizeof(info), tfetch_mem,
1155                                     print_btrfs_ioctl_space_info, 0);
1156                 }
1157                 tprints("}");
1158                 break;
1159         }
1160
1161         case BTRFS_IOC_SNAP_CREATE:
1162         case BTRFS_IOC_RESIZE:
1163         case BTRFS_IOC_SCAN_DEV:
1164 # ifdef BTRFS_IOC_FORGET_DEV
1165         case BTRFS_IOC_FORGET_DEV:
1166 # endif
1167         case BTRFS_IOC_ADD_DEV:
1168         case BTRFS_IOC_RM_DEV:
1169         case BTRFS_IOC_SUBVOL_CREATE:
1170         case BTRFS_IOC_SNAP_DESTROY:
1171         case BTRFS_IOC_DEVICES_READY: { /* W */
1172                 struct btrfs_ioctl_vol_args args;
1173
1174                 tprints(", ");
1175                 if (umove_or_printaddr(tcp, arg, &args))
1176                         break;
1177
1178                 PRINT_FIELD_FD("{", args, fd, tcp);
1179                 PRINT_FIELD_CSTRING(", ", args, name);
1180                 tprints("}");
1181                 break;
1182         }
1183
1184         case BTRFS_IOC_SNAP_CREATE_V2:
1185         case BTRFS_IOC_SUBVOL_CREATE_V2: { /* code is W, but is actually RW */
1186                 struct_btrfs_ioctl_vol_args_v2 args;
1187
1188                 if (entering(tcp))
1189                         tprints(", ");
1190                 else if (syserror(tcp))
1191                         break;
1192                 else
1193                         tprints(" => ");
1194
1195                 if (umove_or_printaddr(tcp, arg, &args))
1196                         break;
1197
1198                 if (entering(tcp)) {
1199                         PRINT_FIELD_FD("{", args, fd, tcp);
1200                         PRINT_FIELD_FLAGS(", ", args, flags,
1201                                           btrfs_snap_flags_v2,
1202                                           "BTRFS_SUBVOL_???");
1203                         if (args.flags & BTRFS_SUBVOL_QGROUP_INHERIT) {
1204                                 PRINT_FIELD_U(", ", args, size);
1205                                 tprints(", qgroup_inherit=");
1206                                 btrfs_print_qgroup_inherit(tcp,
1207                                         ptr_to_kulong(args.qgroup_inherit));
1208                         }
1209                         PRINT_FIELD_CSTRING(", ", args, name);
1210                         tprints("}");
1211                         return 0;
1212                 }
1213                 PRINT_FIELD_U("{", args, transid);
1214                 tprints("}");
1215                 break;
1216         }
1217
1218         case BTRFS_IOC_GET_FSLABEL: /* R */
1219                 if (entering(tcp))
1220                         return 0;
1221                 ATTRIBUTE_FALLTHROUGH;
1222         case BTRFS_IOC_SET_FSLABEL: { /* W */
1223                 char label[BTRFS_LABEL_SIZE];
1224
1225                 tprints(", ");
1226                 if (umove_or_printaddr(tcp, arg, &label))
1227                         break;
1228                 print_quoted_cstring(label, sizeof(label));
1229                 break;
1230         }
1231
1232         case BTRFS_IOC_CLONE:                   /* FICLONE */
1233         case BTRFS_IOC_CLONE_RANGE:             /* FICLONERANGE */
1234 # ifdef BTRFS_IOC_FILE_EXTENT_SAME
1235         case BTRFS_IOC_FILE_EXTENT_SAME:        /* FIDEDUPERANGE */
1236 # endif
1237                 /*
1238                  * FICLONE, FICLONERANGE, and FIDEDUPERANGE started out as
1239                  * btrfs ioctls and the code was kept for the generic
1240                  * implementations.  We use the BTRFS_* names here because
1241                  * they will be available on older systems.
1242                  */
1243                 return file_ioctl(tcp, code, arg);
1244
1245         default:
1246                 return RVAL_DECODED;
1247         };
1248         return RVAL_IOCTL_DECODED;
1249 }
1250 #endif /* HAVE_LINUX_BTRFS_H */