fs/btrfs/tests/inode-tests.c

   1 /*
   2  * Copyright (C) 2013 Fusion IO.  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
  19 #include <linux/types.h>
  20 #include "btrfs-tests.h"
  21 #include "../ctree.h"
  22 #include "../btrfs_inode.h"
  23 #include "../disk-io.h"
  24 #include "../extent_io.h"
  25 #include "../volumes.h"
  26 #include "../compression.h"
  27
  28 static void insert_extent(struct btrfs_root *root, u64 start, u64 len,
  29                           u64 ram_bytes, u64 offset, u64 disk_bytenr,
  30                           u64 disk_len, u32 type, u8 compression, int slot)
  31 {
  32         struct btrfs_path path;
  33         struct btrfs_file_extent_item *fi;
  34         struct extent_buffer *leaf = root->node;
  35         struct btrfs_key key;
  36         u32 value_len = sizeof(struct btrfs_file_extent_item);
  37
  38         if (type == BTRFS_FILE_EXTENT_INLINE)
  39                 value_len += len;
  40         memset(&path, 0, sizeof(path));
  41
  42         path.nodes[0] = leaf;
  43         path.slots[0] = slot;
  44
  45         key.objectid = BTRFS_FIRST_FREE_OBJECTID;
  46         key.type = BTRFS_EXTENT_DATA_KEY;
  47         key.offset = start;
  48
  49         setup_items_for_insert(root, &path, &key, &value_len, value_len,
  50                                value_len + sizeof(struct btrfs_item), 1);
  51         fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);
  52         btrfs_set_file_extent_generation(leaf, fi, 1);
  53         btrfs_set_file_extent_type(leaf, fi, type);
  54         btrfs_set_file_extent_disk_bytenr(leaf, fi, disk_bytenr);
  55         btrfs_set_file_extent_disk_num_bytes(leaf, fi, disk_len);
  56         btrfs_set_file_extent_offset(leaf, fi, offset);
  57         btrfs_set_file_extent_num_bytes(leaf, fi, len);
  58         btrfs_set_file_extent_ram_bytes(leaf, fi, ram_bytes);
  59         btrfs_set_file_extent_compression(leaf, fi, compression);
  60         btrfs_set_file_extent_encryption(leaf, fi, 0);
  61         btrfs_set_file_extent_other_encoding(leaf, fi, 0);
  62 }
  63
  64 static void insert_inode_item_key(struct btrfs_root *root)
  65 {
  66         struct btrfs_path path;
  67         struct extent_buffer *leaf = root->node;
  68         struct btrfs_key key;
  69         u32 value_len = 0;
  70
  71         memset(&path, 0, sizeof(path));
  72
  73         path.nodes[0] = leaf;
  74         path.slots[0] = 0;
  75
  76         key.objectid = BTRFS_INODE_ITEM_KEY;
  77         key.type = BTRFS_INODE_ITEM_KEY;
  78         key.offset = 0;
  79
  80         setup_items_for_insert(root, &path, &key, &value_len, value_len,
  81                                value_len + sizeof(struct btrfs_item), 1);
  82 }
  83
  84 /*
  85  * Build the most complicated map of extents the earth has ever seen.  We want
  86  * this so we can test all of the corner cases of btrfs_get_extent.  Here is a
  87  * diagram of how the extents will look though this may not be possible we still
  88  * want to make sure everything acts normally (the last number is not inclusive)
  89  *
  90  * [0 - 5][5 -  6][     6 - 4096     ][ 4096 - 4100][4100 - 8195][8195 - 12291]
  91  * [hole ][inline][hole but no extent][  hole   ][   regular ][regular1 split]
  92  *
  93  * [12291 - 16387][16387 - 24579][24579 - 28675][ 28675 - 32771][32771 - 36867 ]
  94  * [    hole    ][regular1 split][   prealloc ][   prealloc1  ][prealloc1 written]
  95  *
  96  * [36867 - 45059][45059 - 53251][53251 - 57347][57347 - 61443][61443- 69635]
  97  * [  prealloc1  ][ compressed  ][ compressed1 ][    regular  ][ compressed1]
  98  *
  99  * [69635-73731][   73731 - 86019   ][86019-90115]
 100  * [  regular  ][ hole but no extent][  regular  ]
 101  */
 102 static void setup_file_extents(struct btrfs_root *root, u32 sectorsize)
 103 {
 104         int slot = 0;
 105         u64 disk_bytenr = SZ_1M;
 106         u64 offset = 0;
 107
 108         /* First we want a hole */
 109         insert_extent(root, offset, 5, 5, 0, 0, 0, BTRFS_FILE_EXTENT_REG, 0,
 110                       slot);
 111         slot++;
 112         offset += 5;
 113
 114         /*
 115          * Now we want an inline extent, I don't think this is possible but hey
 116          * why not?  Also keep in mind if we have an inline extent it counts as
 117          * the whole first page.  If we were to expand it we would have to cow
 118          * and we wouldn't have an inline extent anymore.
 119          */
 120         insert_extent(root, offset, 1, 1, 0, 0, 0, BTRFS_FILE_EXTENT_INLINE, 0,
 121                       slot);
 122         slot++;
 123         offset = sectorsize;
 124
 125         /* Now another hole */
 126         insert_extent(root, offset, 4, 4, 0, 0, 0, BTRFS_FILE_EXTENT_REG, 0,
 127                       slot);
 128         slot++;
 129         offset += 4;
 130
 131         /* Now for a regular extent */
 132         insert_extent(root, offset, sectorsize - 1, sectorsize - 1, 0,
 133                       disk_bytenr, sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot);
 134         slot++;
 135         disk_bytenr += sectorsize;
 136         offset += sectorsize - 1;
 137
 138         /*
 139          * Now for 3 extents that were split from a hole punch so we test
 140          * offsets properly.
 141          */
 142         insert_extent(root, offset, sectorsize, 4 * sectorsize, 0, disk_bytenr,
 143                       4 * sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot);
 144         slot++;
 145         offset += sectorsize;
 146         insert_extent(root, offset, sectorsize, sectorsize, 0, 0, 0,
 147                       BTRFS_FILE_EXTENT_REG, 0, slot);
 148         slot++;
 149         offset += sectorsize;
 150         insert_extent(root, offset, 2 * sectorsize, 4 * sectorsize,
 151                       2 * sectorsize, disk_bytenr, 4 * sectorsize,
 152                       BTRFS_FILE_EXTENT_REG, 0, slot);
 153         slot++;
 154         offset += 2 * sectorsize;
 155         disk_bytenr += 4 * sectorsize;
 156
 157         /* Now for a unwritten prealloc extent */
 158         insert_extent(root, offset, sectorsize, sectorsize, 0, disk_bytenr,
 159                 sectorsize, BTRFS_FILE_EXTENT_PREALLOC, 0, slot);
 160         slot++;
 161         offset += sectorsize;
 162
 163         /*
 164          * We want to jack up disk_bytenr a little more so the em stuff doesn't
 165          * merge our records.
 166          */
 167         disk_bytenr += 2 * sectorsize;
 168
 169         /*
 170          * Now for a partially written prealloc extent, basically the same as
 171          * the hole punch example above.  Ram_bytes never changes when you mark
 172          * extents written btw.
 173          */
 174         insert_extent(root, offset, sectorsize, 4 * sectorsize, 0, disk_bytenr,
 175                       4 * sectorsize, BTRFS_FILE_EXTENT_PREALLOC, 0, slot);
 176         slot++;
 177         offset += sectorsize;
 178         insert_extent(root, offset, sectorsize, 4 * sectorsize, sectorsize,
 179                       disk_bytenr, 4 * sectorsize, BTRFS_FILE_EXTENT_REG, 0,
 180                       slot);
 181         slot++;
 182         offset += sectorsize;
 183         insert_extent(root, offset, 2 * sectorsize, 4 * sectorsize,
 184                       2 * sectorsize, disk_bytenr, 4 * sectorsize,
 185                       BTRFS_FILE_EXTENT_PREALLOC, 0, slot);
 186         slot++;
 187         offset += 2 * sectorsize;
 188         disk_bytenr += 4 * sectorsize;
 189
 190         /* Now a normal compressed extent */
 191         insert_extent(root, offset, 2 * sectorsize, 2 * sectorsize, 0,
 192                       disk_bytenr, sectorsize, BTRFS_FILE_EXTENT_REG,
 193                       BTRFS_COMPRESS_ZLIB, slot);
 194         slot++;
 195         offset += 2 * sectorsize;
 196         /* No merges */
 197         disk_bytenr += 2 * sectorsize;
 198
 199         /* Now a split compressed extent */
 200         insert_extent(root, offset, sectorsize, 4 * sectorsize, 0, disk_bytenr,
 201                       sectorsize, BTRFS_FILE_EXTENT_REG,
 202                       BTRFS_COMPRESS_ZLIB, slot);
 203         slot++;
 204         offset += sectorsize;
 205         insert_extent(root, offset, sectorsize, sectorsize, 0,
 206                       disk_bytenr + sectorsize, sectorsize,
 207                       BTRFS_FILE_EXTENT_REG, 0, slot);
 208         slot++;
 209         offset += sectorsize;
 210         insert_extent(root, offset, 2 * sectorsize, 4 * sectorsize,
 211                       2 * sectorsize, disk_bytenr, sectorsize,
 212                       BTRFS_FILE_EXTENT_REG, BTRFS_COMPRESS_ZLIB, slot);
 213         slot++;
 214         offset += 2 * sectorsize;
 215         disk_bytenr += 2 * sectorsize;
 216
 217         /* Now extents that have a hole but no hole extent */
 218         insert_extent(root, offset, sectorsize, sectorsize, 0, disk_bytenr,
 219                       sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot);
 220         slot++;
 221         offset += 4 * sectorsize;
 222         disk_bytenr += sectorsize;
 223         insert_extent(root, offset, sectorsize, sectorsize, 0, disk_bytenr,
 224                       sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot);
 225 }
 226
 227 static unsigned long prealloc_only = 0;
 228 static unsigned long compressed_only = 0;
 229 static unsigned long vacancy_only = 0;
 230
 231 static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 232 {
 233         struct inode *inode = NULL;
 234         struct btrfs_root *root = NULL;
 235         struct extent_map *em = NULL;
 236         u64 orig_start;
 237         u64 disk_bytenr;
 238         u64 offset;
 239         int ret = -ENOMEM;
 240
 241         inode = btrfs_new_test_inode();
 242         if (!inode) {
 243                 test_msg("Couldn't allocate inode\n");
 244                 return ret;
 245         }
 246
 247         BTRFS_I(inode)->location.type = BTRFS_INODE_ITEM_KEY;
 248         BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID;
 249         BTRFS_I(inode)->location.offset = 0;
 250
 251         root = btrfs_alloc_dummy_root(sectorsize, nodesize);
 252         if (IS_ERR(root)) {
 253                 test_msg("Couldn't allocate root\n");
 254                 goto out;
 255         }
 256
 257         /*
 258          * We do this since btrfs_get_extent wants to assign em->bdev to
 259          * root->fs_info->fs_devices->latest_bdev.
 260          */
 261         root->fs_info = btrfs_alloc_dummy_fs_info();
 262         if (!root->fs_info) {
 263                 test_msg("Couldn't allocate dummy fs info\n");
 264                 goto out;
 265         }
 266
 267         root->node = alloc_dummy_extent_buffer(NULL, nodesize, nodesize);
 268         if (!root->node) {
 269                 test_msg("Couldn't allocate dummy buffer\n");
 270                 goto out;
 271         }
 272
 273         /*
 274          * We will just free a dummy node if it's ref count is 2 so we need an
 275          * extra ref so our searches don't accidentally release our page.
 276          */
 277         extent_buffer_get(root->node);
 278         btrfs_set_header_nritems(root->node, 0);
 279         btrfs_set_header_level(root->node, 0);
 280         ret = -EINVAL;
 281
 282         /* First with no extents */
 283         BTRFS_I(inode)->root = root;
 284         em = btrfs_get_extent(inode, NULL, 0, 0, sectorsize, 0);
 285         if (IS_ERR(em)) {
 286                 em = NULL;
 287                 test_msg("Got an error when we shouldn't have\n");
 288                 goto out;
 289         }
 290         if (em->block_start != EXTENT_MAP_HOLE) {
 291                 test_msg("Expected a hole, got %llu\n", em->block_start);
 292                 goto out;
 293         }
 294         if (!test_bit(EXTENT_FLAG_VACANCY, &em->flags)) {
 295                 test_msg("Vacancy flag wasn't set properly\n");
 296                 goto out;
 297         }
 298         free_extent_map(em);
 299         btrfs_drop_extent_cache(inode, 0, (u64)-1, 0);
 300
 301         /*
 302          * All of the magic numbers are based on the mapping setup in
 303          * setup_file_extents, so if you change anything there you need to
 304          * update the comment and update the expected values below.
 305          */
 306         setup_file_extents(root, sectorsize);
 307
 308         em = btrfs_get_extent(inode, NULL, 0, 0, (u64)-1, 0);
 309         if (IS_ERR(em)) {
 310                 test_msg("Got an error when we shouldn't have\n");
 311                 goto out;
 312         }
 313         if (em->block_start != EXTENT_MAP_HOLE) {
 314                 test_msg("Expected a hole, got %llu\n", em->block_start);
 315                 goto out;
 316         }
 317         if (em->start != 0 || em->len != 5) {
 318                 test_msg("Unexpected extent wanted start 0 len 5, got start "
 319                          "%llu len %llu\n", em->start, em->len);
 320                 goto out;
 321         }
 322         if (em->flags != 0) {
 323                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 324                 goto out;
 325         }
 326         offset = em->start + em->len;
 327         free_extent_map(em);
 328
 329         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 330         if (IS_ERR(em)) {
 331                 test_msg("Got an error when we shouldn't have\n");
 332                 goto out;
 333         }
 334         if (em->block_start != EXTENT_MAP_INLINE) {
 335                 test_msg("Expected an inline, got %llu\n", em->block_start);
 336                 goto out;
 337         }
 338
 339         if (em->start != offset || em->len != (sectorsize - 5)) {
 340                 test_msg("Unexpected extent wanted start %llu len 1, got start "
 341                          "%llu len %llu\n", offset, em->start, em->len);
 342                 goto out;
 343         }
 344         if (em->flags != 0) {
 345                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 346                 goto out;
 347         }
 348         /*
 349          * We don't test anything else for inline since it doesn't get set
 350          * unless we have a page for it to write into.  Maybe we should change
 351          * this?
 352          */
 353         offset = em->start + em->len;
 354         free_extent_map(em);
 355
 356         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 357         if (IS_ERR(em)) {
 358                 test_msg("Got an error when we shouldn't have\n");
 359                 goto out;
 360         }
 361         if (em->block_start != EXTENT_MAP_HOLE) {
 362                 test_msg("Expected a hole, got %llu\n", em->block_start);
 363                 goto out;
 364         }
 365         if (em->start != offset || em->len != 4) {
 366                 test_msg("Unexpected extent wanted start %llu len 4, got start "
 367                          "%llu len %llu\n", offset, em->start, em->len);
 368                 goto out;
 369         }
 370         if (em->flags != 0) {
 371                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 372                 goto out;
 373         }
 374         offset = em->start + em->len;
 375         free_extent_map(em);
 376
 377         /* Regular extent */
 378         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 379         if (IS_ERR(em)) {
 380                 test_msg("Got an error when we shouldn't have\n");
 381                 goto out;
 382         }
 383         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 384                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 385                 goto out;
 386         }
 387         if (em->start != offset || em->len != sectorsize - 1) {
 388                 test_msg("Unexpected extent wanted start %llu len 4095, got "
 389                          "start %llu len %llu\n", offset, em->start, em->len);
 390                 goto out;
 391         }
 392         if (em->flags != 0) {
 393                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 394                 goto out;
 395         }
 396         if (em->orig_start != em->start) {
 397                 test_msg("Wrong orig offset, want %llu, have %llu\n", em->start,
 398                          em->orig_start);
 399                 goto out;
 400         }
 401         offset = em->start + em->len;
 402         free_extent_map(em);
 403
 404         /* The next 3 are split extents */
 405         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 406         if (IS_ERR(em)) {
 407                 test_msg("Got an error when we shouldn't have\n");
 408                 goto out;
 409         }
 410         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 411                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 412                 goto out;
 413         }
 414         if (em->start != offset || em->len != sectorsize) {
 415                 test_msg("Unexpected extent start %llu len %u, "
 416                         "got start %llu len %llu\n",
 417                         offset, sectorsize, em->start, em->len);
 418                 goto out;
 419         }
 420         if (em->flags != 0) {
 421                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 422                 goto out;
 423         }
 424         if (em->orig_start != em->start) {
 425                 test_msg("Wrong orig offset, want %llu, have %llu\n", em->start,
 426                          em->orig_start);
 427                 goto out;
 428         }
 429         disk_bytenr = em->block_start;
 430         orig_start = em->start;
 431         offset = em->start + em->len;
 432         free_extent_map(em);
 433
 434         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 435         if (IS_ERR(em)) {
 436                 test_msg("Got an error when we shouldn't have\n");
 437                 goto out;
 438         }
 439         if (em->block_start != EXTENT_MAP_HOLE) {
 440                 test_msg("Expected a hole, got %llu\n", em->block_start);
 441                 goto out;
 442         }
 443         if (em->start != offset || em->len != sectorsize) {
 444                 test_msg("Unexpected extent wanted start %llu len %u, "
 445                         "got start %llu len %llu\n",
 446                         offset, sectorsize, em->start, em->len);
 447                 goto out;
 448         }
 449         if (em->flags != 0) {
 450                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 451                 goto out;
 452         }
 453         offset = em->start + em->len;
 454         free_extent_map(em);
 455
 456         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 457         if (IS_ERR(em)) {
 458                 test_msg("Got an error when we shouldn't have\n");
 459                 goto out;
 460         }
 461         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 462                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 463                 goto out;
 464         }
 465         if (em->start != offset || em->len != 2 * sectorsize) {
 466                 test_msg("Unexpected extent wanted start %llu len %u, "
 467                         "got start %llu len %llu\n",
 468                         offset, 2 * sectorsize, em->start, em->len);
 469                 goto out;
 470         }
 471         if (em->flags != 0) {
 472                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 473                 goto out;
 474         }
 475         if (em->orig_start != orig_start) {
 476                 test_msg("Wrong orig offset, want %llu, have %llu\n",
 477                          orig_start, em->orig_start);
 478                 goto out;
 479         }
 480         disk_bytenr += (em->start - orig_start);
 481         if (em->block_start != disk_bytenr) {
 482                 test_msg("Wrong block start, want %llu, have %llu\n",
 483                          disk_bytenr, em->block_start);
 484                 goto out;
 485         }
 486         offset = em->start + em->len;
 487         free_extent_map(em);
 488
 489         /* Prealloc extent */
 490         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 491         if (IS_ERR(em)) {
 492                 test_msg("Got an error when we shouldn't have\n");
 493                 goto out;
 494         }
 495         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 496                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 497                 goto out;
 498         }
 499         if (em->start != offset || em->len != sectorsize) {
 500                 test_msg("Unexpected extent wanted start %llu len %u, "
 501                         "got start %llu len %llu\n",
 502                         offset, sectorsize, em->start, em->len);
 503                 goto out;
 504         }
 505         if (em->flags != prealloc_only) {
 506                 test_msg("Unexpected flags set, want %lu have %lu\n",
 507                          prealloc_only, em->flags);
 508                 goto out;
 509         }
 510         if (em->orig_start != em->start) {
 511                 test_msg("Wrong orig offset, want %llu, have %llu\n", em->start,
 512                          em->orig_start);
 513                 goto out;
 514         }
 515         offset = em->start + em->len;
 516         free_extent_map(em);
 517
 518         /* The next 3 are a half written prealloc extent */
 519         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 520         if (IS_ERR(em)) {
 521                 test_msg("Got an error when we shouldn't have\n");
 522                 goto out;
 523         }
 524         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 525                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 526                 goto out;
 527         }
 528         if (em->start != offset || em->len != sectorsize) {
 529                 test_msg("Unexpected extent wanted start %llu len %u, "
 530                         "got start %llu len %llu\n",
 531                         offset, sectorsize, em->start, em->len);
 532                 goto out;
 533         }
 534         if (em->flags != prealloc_only) {
 535                 test_msg("Unexpected flags set, want %lu have %lu\n",
 536                          prealloc_only, em->flags);
 537                 goto out;
 538         }
 539         if (em->orig_start != em->start) {
 540                 test_msg("Wrong orig offset, want %llu, have %llu\n", em->start,
 541                          em->orig_start);
 542                 goto out;
 543         }
 544         disk_bytenr = em->block_start;
 545         orig_start = em->start;
 546         offset = em->start + em->len;
 547         free_extent_map(em);
 548
 549         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 550         if (IS_ERR(em)) {
 551                 test_msg("Got an error when we shouldn't have\n");
 552                 goto out;
 553         }
 554         if (em->block_start >= EXTENT_MAP_HOLE) {
 555                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 556                 goto out;
 557         }
 558         if (em->start != offset || em->len != sectorsize) {
 559                 test_msg("Unexpected extent wanted start %llu len %u, "
 560                         "got start %llu len %llu\n",
 561                         offset, sectorsize, em->start, em->len);
 562                 goto out;
 563         }
 564         if (em->flags != 0) {
 565                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 566                 goto out;
 567         }
 568         if (em->orig_start != orig_start) {
 569                 test_msg("Unexpected orig offset, wanted %llu, have %llu\n",
 570                          orig_start, em->orig_start);
 571                 goto out;
 572         }
 573         if (em->block_start != (disk_bytenr + (em->start - em->orig_start))) {
 574                 test_msg("Unexpected block start, wanted %llu, have %llu\n",
 575                          disk_bytenr + (em->start - em->orig_start),
 576                          em->block_start);
 577                 goto out;
 578         }
 579         offset = em->start + em->len;
 580         free_extent_map(em);
 581
 582         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 583         if (IS_ERR(em)) {
 584                 test_msg("Got an error when we shouldn't have\n");
 585                 goto out;
 586         }
 587         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 588                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 589                 goto out;
 590         }
 591         if (em->start != offset || em->len != 2 * sectorsize) {
 592                 test_msg("Unexpected extent wanted start %llu len %u, "
 593                         "got start %llu len %llu\n",
 594                         offset, 2 * sectorsize, em->start, em->len);
 595                 goto out;
 596         }
 597         if (em->flags != prealloc_only) {
 598                 test_msg("Unexpected flags set, want %lu have %lu\n",
 599                          prealloc_only, em->flags);
 600                 goto out;
 601         }
 602         if (em->orig_start != orig_start) {
 603                 test_msg("Wrong orig offset, want %llu, have %llu\n", orig_start,
 604                          em->orig_start);
 605                 goto out;
 606         }
 607         if (em->block_start != (disk_bytenr + (em->start - em->orig_start))) {
 608                 test_msg("Unexpected block start, wanted %llu, have %llu\n",
 609                          disk_bytenr + (em->start - em->orig_start),
 610                          em->block_start);
 611                 goto out;
 612         }
 613         offset = em->start + em->len;
 614         free_extent_map(em);
 615
 616         /* Now for the compressed extent */
 617         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 618         if (IS_ERR(em)) {
 619                 test_msg("Got an error when we shouldn't have\n");
 620                 goto out;
 621         }
 622         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 623                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 624                 goto out;
 625         }
 626         if (em->start != offset || em->len != 2 * sectorsize) {
 627                 test_msg("Unexpected extent wanted start %llu len %u,"
 628                         "got start %llu len %llu\n",
 629                         offset, 2 * sectorsize, em->start, em->len);
 630                 goto out;
 631         }
 632         if (em->flags != compressed_only) {
 633                 test_msg("Unexpected flags set, want %lu have %lu\n",
 634                          compressed_only, em->flags);
 635                 goto out;
 636         }
 637         if (em->orig_start != em->start) {
 638                 test_msg("Wrong orig offset, want %llu, have %llu\n",
 639                          em->start, em->orig_start);
 640                 goto out;
 641         }
 642         if (em->compress_type != BTRFS_COMPRESS_ZLIB) {
 643                 test_msg("Unexpected compress type, wanted %d, got %d\n",
 644                          BTRFS_COMPRESS_ZLIB, em->compress_type);
 645                 goto out;
 646         }
 647         offset = em->start + em->len;
 648         free_extent_map(em);
 649
 650         /* Split compressed extent */
 651         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 652         if (IS_ERR(em)) {
 653                 test_msg("Got an error when we shouldn't have\n");
 654                 goto out;
 655         }
 656         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 657                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 658                 goto out;
 659         }
 660         if (em->start != offset || em->len != sectorsize) {
 661                 test_msg("Unexpected extent wanted start %llu len %u,"
 662                         "got start %llu len %llu\n",
 663                         offset, sectorsize, em->start, em->len);
 664                 goto out;
 665         }
 666         if (em->flags != compressed_only) {
 667                 test_msg("Unexpected flags set, want %lu have %lu\n",
 668                          compressed_only, em->flags);
 669                 goto out;
 670         }
 671         if (em->orig_start != em->start) {
 672                 test_msg("Wrong orig offset, want %llu, have %llu\n",
 673                          em->start, em->orig_start);
 674                 goto out;
 675         }
 676         if (em->compress_type != BTRFS_COMPRESS_ZLIB) {
 677                 test_msg("Unexpected compress type, wanted %d, got %d\n",
 678                          BTRFS_COMPRESS_ZLIB, em->compress_type);
 679                 goto out;
 680         }
 681         disk_bytenr = em->block_start;
 682         orig_start = em->start;
 683         offset = em->start + em->len;
 684         free_extent_map(em);
 685
 686         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 687         if (IS_ERR(em)) {
 688                 test_msg("Got an error when we shouldn't have\n");
 689                 goto out;
 690         }
 691         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 692                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 693                 goto out;
 694         }
 695         if (em->start != offset || em->len != sectorsize) {
 696                 test_msg("Unexpected extent wanted start %llu len %u, "
 697                         "got start %llu len %llu\n",
 698                         offset, sectorsize, em->start, em->len);
 699                 goto out;
 700         }
 701         if (em->flags != 0) {
 702                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 703                 goto out;
 704         }
 705         if (em->orig_start != em->start) {
 706                 test_msg("Wrong orig offset, want %llu, have %llu\n", em->start,
 707                          em->orig_start);
 708                 goto out;
 709         }
 710         offset = em->start + em->len;
 711         free_extent_map(em);
 712
 713         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 714         if (IS_ERR(em)) {
 715                 test_msg("Got an error when we shouldn't have\n");
 716                 goto out;
 717         }
 718         if (em->block_start != disk_bytenr) {
 719                 test_msg("Block start does not match, want %llu got %llu\n",
 720                          disk_bytenr, em->block_start);
 721                 goto out;
 722         }
 723         if (em->start != offset || em->len != 2 * sectorsize) {
 724                 test_msg("Unexpected extent wanted start %llu len %u, "
 725                         "got start %llu len %llu\n",
 726                         offset, 2 * sectorsize, em->start, em->len);
 727                 goto out;
 728         }
 729         if (em->flags != compressed_only) {
 730                 test_msg("Unexpected flags set, want %lu have %lu\n",
 731                          compressed_only, em->flags);
 732                 goto out;
 733         }
 734         if (em->orig_start != orig_start) {
 735                 test_msg("Wrong orig offset, want %llu, have %llu\n",
 736                          em->start, orig_start);
 737                 goto out;
 738         }
 739         if (em->compress_type != BTRFS_COMPRESS_ZLIB) {
 740                 test_msg("Unexpected compress type, wanted %d, got %d\n",
 741                          BTRFS_COMPRESS_ZLIB, em->compress_type);
 742                 goto out;
 743         }
 744         offset = em->start + em->len;
 745         free_extent_map(em);
 746
 747         /* A hole between regular extents but no hole extent */
 748         em = btrfs_get_extent(inode, NULL, 0, offset + 6, sectorsize, 0);
 749         if (IS_ERR(em)) {
 750                 test_msg("Got an error when we shouldn't have\n");
 751                 goto out;
 752         }
 753         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 754                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 755                 goto out;
 756         }
 757         if (em->start != offset || em->len != sectorsize) {
 758                 test_msg("Unexpected extent wanted start %llu len %u, "
 759                         "got start %llu len %llu\n",
 760                         offset, sectorsize, em->start, em->len);
 761                 goto out;
 762         }
 763         if (em->flags != 0) {
 764                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 765                 goto out;
 766         }
 767         if (em->orig_start != em->start) {
 768                 test_msg("Wrong orig offset, want %llu, have %llu\n", em->start,
 769                          em->orig_start);
 770                 goto out;
 771         }
 772         offset = em->start + em->len;
 773         free_extent_map(em);
 774
 775         em = btrfs_get_extent(inode, NULL, 0, offset, 4096 * 1024, 0);
 776         if (IS_ERR(em)) {
 777                 test_msg("Got an error when we shouldn't have\n");
 778                 goto out;
 779         }
 780         if (em->block_start != EXTENT_MAP_HOLE) {
 781                 test_msg("Expected a hole extent, got %llu\n", em->block_start);
 782                 goto out;
 783         }
 784         /*
 785          * Currently we just return a length that we requested rather than the
 786          * length of the actual hole, if this changes we'll have to change this
 787          * test.
 788          */
 789         if (em->start != offset || em->len != 3 * sectorsize) {
 790                 test_msg("Unexpected extent wanted start %llu len %u, "
 791                         "got start %llu len %llu\n",
 792                         offset, 3 * sectorsize, em->start, em->len);
 793                 goto out;
 794         }
 795         if (em->flags != vacancy_only) {
 796                 test_msg("Unexpected flags set, want %lu have %lu\n",
 797                          vacancy_only, em->flags);
 798                 goto out;
 799         }
 800         if (em->orig_start != em->start) {
 801                 test_msg("Wrong orig offset, want %llu, have %llu\n", em->start,
 802                          em->orig_start);
 803                 goto out;
 804         }
 805         offset = em->start + em->len;
 806         free_extent_map(em);
 807
 808         em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0);
 809         if (IS_ERR(em)) {
 810                 test_msg("Got an error when we shouldn't have\n");
 811                 goto out;
 812         }
 813         if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
 814                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 815                 goto out;
 816         }
 817         if (em->start != offset || em->len != sectorsize) {
 818                 test_msg("Unexpected extent wanted start %llu len %u,"
 819                         "got start %llu len %llu\n",
 820                         offset, sectorsize, em->start, em->len);
 821                 goto out;
 822         }
 823         if (em->flags != 0) {
 824                 test_msg("Unexpected flags set, want 0 have %lu\n", em->flags);
 825                 goto out;
 826         }
 827         if (em->orig_start != em->start) {
 828                 test_msg("Wrong orig offset, want %llu, have %llu\n", em->start,
 829                          em->orig_start);
 830                 goto out;
 831         }
 832         ret = 0;
 833 out:
 834         if (!IS_ERR(em))
 835                 free_extent_map(em);
 836         iput(inode);
 837         btrfs_free_dummy_root(root);
 838         return ret;
 839 }
 840
 841 static int test_hole_first(u32 sectorsize, u32 nodesize)
 842 {
 843         struct inode *inode = NULL;
 844         struct btrfs_root *root = NULL;
 845         struct extent_map *em = NULL;
 846         int ret = -ENOMEM;
 847
 848         inode = btrfs_new_test_inode();
 849         if (!inode) {
 850                 test_msg("Couldn't allocate inode\n");
 851                 return ret;
 852         }
 853
 854         BTRFS_I(inode)->location.type = BTRFS_INODE_ITEM_KEY;
 855         BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID;
 856         BTRFS_I(inode)->location.offset = 0;
 857
 858         root = btrfs_alloc_dummy_root(sectorsize, nodesize);
 859         if (IS_ERR(root)) {
 860                 test_msg("Couldn't allocate root\n");
 861                 goto out;
 862         }
 863
 864         root->fs_info = btrfs_alloc_dummy_fs_info();
 865         if (!root->fs_info) {
 866                 test_msg("Couldn't allocate dummy fs info\n");
 867                 goto out;
 868         }
 869
 870         root->node = alloc_dummy_extent_buffer(NULL, nodesize, nodesize);
 871         if (!root->node) {
 872                 test_msg("Couldn't allocate dummy buffer\n");
 873                 goto out;
 874         }
 875
 876         extent_buffer_get(root->node);
 877         btrfs_set_header_nritems(root->node, 0);
 878         btrfs_set_header_level(root->node, 0);
 879         BTRFS_I(inode)->root = root;
 880         ret = -EINVAL;
 881
 882         /*
 883          * Need a blank inode item here just so we don't confuse
 884          * btrfs_get_extent.
 885          */
 886         insert_inode_item_key(root);
 887         insert_extent(root, sectorsize, sectorsize, sectorsize, 0, sectorsize,
 888                       sectorsize, BTRFS_FILE_EXTENT_REG, 0, 1);
 889         em = btrfs_get_extent(inode, NULL, 0, 0, 2 * sectorsize, 0);
 890         if (IS_ERR(em)) {
 891                 test_msg("Got an error when we shouldn't have\n");
 892                 goto out;
 893         }
 894         if (em->block_start != EXTENT_MAP_HOLE) {
 895                 test_msg("Expected a hole, got %llu\n", em->block_start);
 896                 goto out;
 897         }
 898         if (em->start != 0 || em->len != sectorsize) {
 899                 test_msg("Unexpected extent wanted start 0 len %u, "
 900                         "got start %llu len %llu\n",
 901                         sectorsize, em->start, em->len);
 902                 goto out;
 903         }
 904         if (em->flags != vacancy_only) {
 905                 test_msg("Wrong flags, wanted %lu, have %lu\n", vacancy_only,
 906                          em->flags);
 907                 goto out;
 908         }
 909         free_extent_map(em);
 910
 911         em = btrfs_get_extent(inode, NULL, 0, sectorsize, 2 * sectorsize, 0);
 912         if (IS_ERR(em)) {
 913                 test_msg("Got an error when we shouldn't have\n");
 914                 goto out;
 915         }
 916         if (em->block_start != sectorsize) {
 917                 test_msg("Expected a real extent, got %llu\n", em->block_start);
 918                 goto out;
 919         }
 920         if (em->start != sectorsize || em->len != sectorsize) {
 921                 test_msg("Unexpected extent wanted start %u len %u, "
 922                         "got start %llu len %llu\n",
 923                         sectorsize, sectorsize, em->start, em->len);
 924                 goto out;
 925         }
 926         if (em->flags != 0) {
 927                 test_msg("Unexpected flags set, wanted 0 got %lu\n",
 928                          em->flags);
 929                 goto out;
 930         }
 931         ret = 0;
 932 out:
 933         if (!IS_ERR(em))
 934                 free_extent_map(em);
 935         iput(inode);
 936         btrfs_free_dummy_root(root);
 937         return ret;
 938 }
 939
 940 static int test_extent_accounting(u32 sectorsize, u32 nodesize)
 941 {
 942         struct inode *inode = NULL;
 943         struct btrfs_root *root = NULL;
 944         int ret = -ENOMEM;
 945
 946         inode = btrfs_new_test_inode();
 947         if (!inode) {
 948                 test_msg("Couldn't allocate inode\n");
 949                 return ret;
 950         }
 951
 952         root = btrfs_alloc_dummy_root(sectorsize, nodesize);
 953         if (IS_ERR(root)) {
 954                 test_msg("Couldn't allocate root\n");
 955                 goto out;
 956         }
 957
 958         root->fs_info = btrfs_alloc_dummy_fs_info();
 959         if (!root->fs_info) {
 960                 test_msg("Couldn't allocate dummy fs info\n");
 961                 goto out;
 962         }
 963
 964         BTRFS_I(inode)->root = root;
 965         btrfs_test_inode_set_ops(inode);
 966
 967         /* [BTRFS_MAX_EXTENT_SIZE] */
 968         BTRFS_I(inode)->outstanding_extents++;
 969         ret = btrfs_set_extent_delalloc(inode, 0, BTRFS_MAX_EXTENT_SIZE - 1,
 970                                         NULL);
 971         if (ret) {
 972                 test_msg("btrfs_set_extent_delalloc returned %d\n", ret);
 973                 goto out;
 974         }
 975         if (BTRFS_I(inode)->outstanding_extents != 1) {
 976                 ret = -EINVAL;
 977                 test_msg("Miscount, wanted 1, got %u\n",
 978                          BTRFS_I(inode)->outstanding_extents);
 979                 goto out;
 980         }
 981
 982         /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */
 983         BTRFS_I(inode)->outstanding_extents++;
 984         ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE,
 985                                         BTRFS_MAX_EXTENT_SIZE + sectorsize - 1,
 986                                         NULL);
 987         if (ret) {
 988                 test_msg("btrfs_set_extent_delalloc returned %d\n", ret);
 989                 goto out;
 990         }
 991         if (BTRFS_I(inode)->outstanding_extents != 2) {
 992                 ret = -EINVAL;
 993                 test_msg("Miscount, wanted 2, got %u\n",
 994                          BTRFS_I(inode)->outstanding_extents);
 995                 goto out;
 996         }
 997
 998         /* [BTRFS_MAX_EXTENT_SIZE/2][sectorsize HOLE][the rest] */
 999         ret = clear_extent_bit(&BTRFS_I(inode)->io_tree,
1000                                BTRFS_MAX_EXTENT_SIZE >> 1,
1001                                (BTRFS_MAX_EXTENT_SIZE >> 1) + sectorsize - 1,
1002                                EXTENT_DELALLOC | EXTENT_DIRTY |
1003                                EXTENT_UPTODATE | EXTENT_DO_ACCOUNTING, 0, 0,
1004                                NULL, GFP_KERNEL);
1005         if (ret) {
1006                 test_msg("clear_extent_bit returned %d\n", ret);
1007                 goto out;
1008         }
1009         if (BTRFS_I(inode)->outstanding_extents != 2) {
1010                 ret = -EINVAL;
1011                 test_msg("Miscount, wanted 2, got %u\n",
1012                          BTRFS_I(inode)->outstanding_extents);
1013                 goto out;
1014         }
1015
1016         /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */
1017         BTRFS_I(inode)->outstanding_extents++;
1018         ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE >> 1,
1019                                         (BTRFS_MAX_EXTENT_SIZE >> 1)
1020                                         + sectorsize - 1,
1021                                         NULL);
1022         if (ret) {
1023                 test_msg("btrfs_set_extent_delalloc returned %d\n", ret);
1024                 goto out;
1025         }
1026         if (BTRFS_I(inode)->outstanding_extents != 2) {
1027                 ret = -EINVAL;
1028                 test_msg("Miscount, wanted 2, got %u\n",
1029                          BTRFS_I(inode)->outstanding_extents);
1030                 goto out;
1031         }
1032
1033         /*
1034          * [BTRFS_MAX_EXTENT_SIZE+sectorsize][sectorsize HOLE][BTRFS_MAX_EXTENT_SIZE+sectorsize]
1035          *
1036          * I'm artificially adding 2 to outstanding_extents because in the
1037          * buffered IO case we'd add things up as we go, but I don't feel like
1038          * doing that here, this isn't the interesting case we want to test.
1039          */
1040         BTRFS_I(inode)->outstanding_extents += 2;
1041         ret = btrfs_set_extent_delalloc(inode,
1042                         BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize,
1043                         (BTRFS_MAX_EXTENT_SIZE << 1) + 3 * sectorsize - 1,
1044                         NULL);
1045         if (ret) {
1046                 test_msg("btrfs_set_extent_delalloc returned %d\n", ret);
1047                 goto out;
1048         }
1049         if (BTRFS_I(inode)->outstanding_extents != 4) {
1050                 ret = -EINVAL;
1051                 test_msg("Miscount, wanted 4, got %u\n",
1052                          BTRFS_I(inode)->outstanding_extents);
1053                 goto out;
1054         }
1055
1056         /*
1057         * [BTRFS_MAX_EXTENT_SIZE+sectorsize][sectorsize][BTRFS_MAX_EXTENT_SIZE+sectorsize]
1058         */
1059         BTRFS_I(inode)->outstanding_extents++;
1060         ret = btrfs_set_extent_delalloc(inode,
1061                         BTRFS_MAX_EXTENT_SIZE + sectorsize,
1062                         BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL);
1063         if (ret) {
1064                 test_msg("btrfs_set_extent_delalloc returned %d\n", ret);
1065                 goto out;
1066         }
1067         if (BTRFS_I(inode)->outstanding_extents != 3) {
1068                 ret = -EINVAL;
1069                 test_msg("Miscount, wanted 3, got %u\n",
1070                          BTRFS_I(inode)->outstanding_extents);
1071                 goto out;
1072         }
1073
1074         /* [BTRFS_MAX_EXTENT_SIZE+4k][4K HOLE][BTRFS_MAX_EXTENT_SIZE+4k] */
1075         ret = clear_extent_bit(&BTRFS_I(inode)->io_tree,
1076                                BTRFS_MAX_EXTENT_SIZE + sectorsize,
1077                                BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1,
1078                                EXTENT_DIRTY | EXTENT_DELALLOC |
1079                                EXTENT_DO_ACCOUNTING | EXTENT_UPTODATE, 0, 0,
1080                                NULL, GFP_KERNEL);
1081         if (ret) {
1082                 test_msg("clear_extent_bit returned %d\n", ret);
1083                 goto out;
1084         }
1085         if (BTRFS_I(inode)->outstanding_extents != 4) {
1086                 ret = -EINVAL;
1087                 test_msg("Miscount, wanted 4, got %u\n",
1088                          BTRFS_I(inode)->outstanding_extents);
1089                 goto out;
1090         }
1091
1092         /*
1093          * Refill the hole again just for good measure, because I thought it
1094          * might fail and I'd rather satisfy my paranoia at this point.
1095          */
1096         BTRFS_I(inode)->outstanding_extents++;
1097         ret = btrfs_set_extent_delalloc(inode,
1098                         BTRFS_MAX_EXTENT_SIZE + sectorsize,
1099                         BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL);
1100         if (ret) {
1101                 test_msg("btrfs_set_extent_delalloc returned %d\n", ret);
1102                 goto out;
1103         }
1104         if (BTRFS_I(inode)->outstanding_extents != 3) {
1105                 ret = -EINVAL;
1106                 test_msg("Miscount, wanted 3, got %u\n",
1107                          BTRFS_I(inode)->outstanding_extents);
1108                 goto out;
1109         }
1110
1111         /* Empty */
1112         ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, 0, (u64)-1,
1113                                EXTENT_DIRTY | EXTENT_DELALLOC |
1114                                EXTENT_DO_ACCOUNTING | EXTENT_UPTODATE, 0, 0,
1115                                NULL, GFP_KERNEL);
1116         if (ret) {
1117                 test_msg("clear_extent_bit returned %d\n", ret);
1118                 goto out;
1119         }
1120         if (BTRFS_I(inode)->outstanding_extents) {
1121                 ret = -EINVAL;
1122                 test_msg("Miscount, wanted 0, got %u\n",
1123                          BTRFS_I(inode)->outstanding_extents);
1124                 goto out;
1125         }
1126         ret = 0;
1127 out:
1128         if (ret)
1129                 clear_extent_bit(&BTRFS_I(inode)->io_tree, 0, (u64)-1,
1130                                  EXTENT_DIRTY | EXTENT_DELALLOC |
1131                                  EXTENT_DO_ACCOUNTING | EXTENT_UPTODATE, 0, 0,
1132                                  NULL, GFP_KERNEL);
1133         iput(inode);
1134         btrfs_free_dummy_root(root);
1135         return ret;
1136 }
1137
1138 int btrfs_test_inodes(u32 sectorsize, u32 nodesize)
1139 {
1140         int ret;
1141
1142         set_bit(EXTENT_FLAG_COMPRESSED, &compressed_only);
1143         set_bit(EXTENT_FLAG_VACANCY, &vacancy_only);
1144         set_bit(EXTENT_FLAG_PREALLOC, &prealloc_only);
1145
1146         test_msg("Running btrfs_get_extent tests\n");
1147         ret = test_btrfs_get_extent(sectorsize, nodesize);
1148         if (ret)
1149                 return ret;
1150         test_msg("Running hole first btrfs_get_extent test\n");
1151         ret = test_hole_first(sectorsize, nodesize);
1152         if (ret)
1153                 return ret;
1154         test_msg("Running outstanding_extents tests\n");
1155         return test_extent_accounting(sectorsize, nodesize);
1156 }