Commit | Line | Data |
---|---|---|
aaedb55b JB |
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 | ||
b9ef22de | 19 | #include <linux/types.h> |
aaedb55b JB |
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" | |
ebb8765b | 26 | #include "../compression.h" |
aaedb55b | 27 | |
aaedb55b JB |
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 | ||
0e30db86 JB |
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 | ||
aaedb55b JB |
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 | * | |
b9ef22de FX |
90 | * [0 - 5][5 - 6][ 6 - 4096 ][ 4096 - 4100][4100 - 8195][8195 - 12291] |
91 | * [hole ][inline][hole but no extent][ hole ][ regular ][regular1 split] | |
aaedb55b | 92 | * |
b9ef22de FX |
93 | * [12291 - 16387][16387 - 24579][24579 - 28675][ 28675 - 32771][32771 - 36867 ] |
94 | * [ hole ][regular1 split][ prealloc ][ prealloc1 ][prealloc1 written] | |
aaedb55b | 95 | * |
b9ef22de FX |
96 | * [36867 - 45059][45059 - 53251][53251 - 57347][57347 - 61443][61443- 69635] |
97 | * [ prealloc1 ][ compressed ][ compressed1 ][ regular ][ compressed1] | |
aaedb55b | 98 | * |
b9ef22de FX |
99 | * [69635-73731][ 73731 - 86019 ][86019-90115] |
100 | * [ regular ][ hole but no extent][ regular ] | |
aaedb55b | 101 | */ |
b9ef22de | 102 | static void setup_file_extents(struct btrfs_root *root, u32 sectorsize) |
aaedb55b JB |
103 | { |
104 | int slot = 0; | |
ee22184b | 105 | u64 disk_bytenr = SZ_1M; |
aaedb55b JB |
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++; | |
b9ef22de | 123 | offset = sectorsize; |
aaedb55b JB |
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 */ | |
b9ef22de FX |
132 | insert_extent(root, offset, sectorsize - 1, sectorsize - 1, 0, |
133 | disk_bytenr, sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot); | |
aaedb55b | 134 | slot++; |
b9ef22de FX |
135 | disk_bytenr += sectorsize; |
136 | offset += sectorsize - 1; | |
aaedb55b JB |
137 | |
138 | /* | |
139 | * Now for 3 extents that were split from a hole punch so we test | |
140 | * offsets properly. | |
141 | */ | |
b9ef22de FX |
142 | insert_extent(root, offset, sectorsize, 4 * sectorsize, 0, disk_bytenr, |
143 | 4 * sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot); | |
aaedb55b | 144 | slot++; |
b9ef22de FX |
145 | offset += sectorsize; |
146 | insert_extent(root, offset, sectorsize, sectorsize, 0, 0, 0, | |
147 | BTRFS_FILE_EXTENT_REG, 0, slot); | |
aaedb55b | 148 | slot++; |
b9ef22de FX |
149 | offset += sectorsize; |
150 | insert_extent(root, offset, 2 * sectorsize, 4 * sectorsize, | |
151 | 2 * sectorsize, disk_bytenr, 4 * sectorsize, | |
aaedb55b JB |
152 | BTRFS_FILE_EXTENT_REG, 0, slot); |
153 | slot++; | |
b9ef22de FX |
154 | offset += 2 * sectorsize; |
155 | disk_bytenr += 4 * sectorsize; | |
aaedb55b JB |
156 | |
157 | /* Now for a unwritten prealloc extent */ | |
b9ef22de FX |
158 | insert_extent(root, offset, sectorsize, sectorsize, 0, disk_bytenr, |
159 | sectorsize, BTRFS_FILE_EXTENT_PREALLOC, 0, slot); | |
aaedb55b | 160 | slot++; |
b9ef22de | 161 | offset += sectorsize; |
aaedb55b JB |
162 | |
163 | /* | |
164 | * We want to jack up disk_bytenr a little more so the em stuff doesn't | |
165 | * merge our records. | |
166 | */ | |
b9ef22de | 167 | disk_bytenr += 2 * sectorsize; |
aaedb55b JB |
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 | */ | |
b9ef22de FX |
174 | insert_extent(root, offset, sectorsize, 4 * sectorsize, 0, disk_bytenr, |
175 | 4 * sectorsize, BTRFS_FILE_EXTENT_PREALLOC, 0, slot); | |
aaedb55b | 176 | slot++; |
b9ef22de FX |
177 | offset += sectorsize; |
178 | insert_extent(root, offset, sectorsize, 4 * sectorsize, sectorsize, | |
179 | disk_bytenr, 4 * sectorsize, BTRFS_FILE_EXTENT_REG, 0, | |
180 | slot); | |
aaedb55b | 181 | slot++; |
b9ef22de FX |
182 | offset += sectorsize; |
183 | insert_extent(root, offset, 2 * sectorsize, 4 * sectorsize, | |
184 | 2 * sectorsize, disk_bytenr, 4 * sectorsize, | |
aaedb55b JB |
185 | BTRFS_FILE_EXTENT_PREALLOC, 0, slot); |
186 | slot++; | |
b9ef22de FX |
187 | offset += 2 * sectorsize; |
188 | disk_bytenr += 4 * sectorsize; | |
aaedb55b JB |
189 | |
190 | /* Now a normal compressed extent */ | |
b9ef22de FX |
191 | insert_extent(root, offset, 2 * sectorsize, 2 * sectorsize, 0, |
192 | disk_bytenr, sectorsize, BTRFS_FILE_EXTENT_REG, | |
193 | BTRFS_COMPRESS_ZLIB, slot); | |
aaedb55b | 194 | slot++; |
b9ef22de | 195 | offset += 2 * sectorsize; |
aaedb55b | 196 | /* No merges */ |
b9ef22de | 197 | disk_bytenr += 2 * sectorsize; |
aaedb55b JB |
198 | |
199 | /* Now a split compressed extent */ | |
b9ef22de FX |
200 | insert_extent(root, offset, sectorsize, 4 * sectorsize, 0, disk_bytenr, |
201 | sectorsize, BTRFS_FILE_EXTENT_REG, | |
202 | BTRFS_COMPRESS_ZLIB, slot); | |
aaedb55b | 203 | slot++; |
b9ef22de FX |
204 | offset += sectorsize; |
205 | insert_extent(root, offset, sectorsize, sectorsize, 0, | |
206 | disk_bytenr + sectorsize, sectorsize, | |
aaedb55b JB |
207 | BTRFS_FILE_EXTENT_REG, 0, slot); |
208 | slot++; | |
b9ef22de FX |
209 | offset += sectorsize; |
210 | insert_extent(root, offset, 2 * sectorsize, 4 * sectorsize, | |
211 | 2 * sectorsize, disk_bytenr, sectorsize, | |
aaedb55b JB |
212 | BTRFS_FILE_EXTENT_REG, BTRFS_COMPRESS_ZLIB, slot); |
213 | slot++; | |
b9ef22de FX |
214 | offset += 2 * sectorsize; |
215 | disk_bytenr += 2 * sectorsize; | |
aaedb55b JB |
216 | |
217 | /* Now extents that have a hole but no hole extent */ | |
b9ef22de FX |
218 | insert_extent(root, offset, sectorsize, sectorsize, 0, disk_bytenr, |
219 | sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot); | |
aaedb55b | 220 | slot++; |
b9ef22de FX |
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); | |
aaedb55b JB |
225 | } |
226 | ||
227 | static unsigned long prealloc_only = 0; | |
228 | static unsigned long compressed_only = 0; | |
229 | static unsigned long vacancy_only = 0; | |
230 | ||
b9ef22de | 231 | static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize) |
aaedb55b JB |
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 | ||
aaedb55b JB |
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 | ||
b9ef22de | 251 | root = btrfs_alloc_dummy_root(sectorsize, nodesize); |
aaedb55b JB |
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 | */ | |
faa2dbf0 | 261 | root->fs_info = btrfs_alloc_dummy_fs_info(); |
aaedb55b JB |
262 | if (!root->fs_info) { |
263 | test_msg("Couldn't allocate dummy fs info\n"); | |
264 | goto out; | |
265 | } | |
266 | ||
b9ef22de | 267 | root->node = alloc_dummy_extent_buffer(NULL, nodesize, nodesize); |
aaedb55b JB |
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 | |
01327610 | 275 | * extra ref so our searches don't accidentally release our page. |
aaedb55b JB |
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; | |
b9ef22de | 284 | em = btrfs_get_extent(inode, NULL, 0, 0, sectorsize, 0); |
aaedb55b JB |
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 | */ | |
b9ef22de | 306 | setup_file_extents(root, sectorsize); |
aaedb55b JB |
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 | ||
b9ef22de | 329 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
338 | |
339 | if (em->start != offset || em->len != (sectorsize - 5)) { | |
aaedb55b JB |
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 | ||
b9ef22de | 356 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 */ | |
b9ef22de | 378 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de | 387 | if (em->start != offset || em->len != sectorsize - 1) { |
aaedb55b JB |
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 */ | |
b9ef22de | 405 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 | ||
b9ef22de | 434 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 | ||
b9ef22de | 456 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 */ | |
b9ef22de | 490 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 */ | |
b9ef22de | 519 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 | ||
b9ef22de | 549 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 | ||
b9ef22de | 582 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 */ | |
b9ef22de | 617 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 */ | |
b9ef22de | 651 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 | ||
b9ef22de | 686 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 | ||
b9ef22de | 713 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 */ | |
b9ef22de | 748 | em = btrfs_get_extent(inode, NULL, 0, offset + 6, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 | */ | |
b9ef22de FX |
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); | |
aaedb55b JB |
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 | ||
b9ef22de | 808 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
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 | } | |
b9ef22de FX |
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); | |
aaedb55b JB |
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); | |
faa2dbf0 | 837 | btrfs_free_dummy_root(root); |
aaedb55b JB |
838 | return ret; |
839 | } | |
840 | ||
b9ef22de | 841 | static int test_hole_first(u32 sectorsize, u32 nodesize) |
0e30db86 JB |
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 | ||
b9ef22de | 858 | root = btrfs_alloc_dummy_root(sectorsize, nodesize); |
0e30db86 JB |
859 | if (IS_ERR(root)) { |
860 | test_msg("Couldn't allocate root\n"); | |
861 | goto out; | |
862 | } | |
863 | ||
faa2dbf0 | 864 | root->fs_info = btrfs_alloc_dummy_fs_info(); |
0e30db86 JB |
865 | if (!root->fs_info) { |
866 | test_msg("Couldn't allocate dummy fs info\n"); | |
867 | goto out; | |
868 | } | |
869 | ||
b9ef22de | 870 | root->node = alloc_dummy_extent_buffer(NULL, nodesize, nodesize); |
0e30db86 JB |
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); | |
b9ef22de FX |
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); | |
0e30db86 JB |
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 | } | |
b9ef22de FX |
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); | |
0e30db86 JB |
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 | ||
b9ef22de | 911 | em = btrfs_get_extent(inode, NULL, 0, sectorsize, 2 * sectorsize, 0); |
0e30db86 JB |
912 | if (IS_ERR(em)) { |
913 | test_msg("Got an error when we shouldn't have\n"); | |
914 | goto out; | |
915 | } | |
b9ef22de | 916 | if (em->block_start != sectorsize) { |
0e30db86 JB |
917 | test_msg("Expected a real extent, got %llu\n", em->block_start); |
918 | goto out; | |
919 | } | |
b9ef22de FX |
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); | |
0e30db86 JB |
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); | |
faa2dbf0 | 936 | btrfs_free_dummy_root(root); |
0e30db86 JB |
937 | return ret; |
938 | } | |
939 | ||
b9ef22de | 940 | static int test_extent_accounting(u32 sectorsize, u32 nodesize) |
6a3891c5 JB |
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 | ||
b9ef22de | 952 | root = btrfs_alloc_dummy_root(sectorsize, nodesize); |
6a3891c5 JB |
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 | ||
b9ef22de | 982 | /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */ |
6a3891c5 JB |
983 | BTRFS_I(inode)->outstanding_extents++; |
984 | ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE, | |
b9ef22de FX |
985 | BTRFS_MAX_EXTENT_SIZE + sectorsize - 1, |
986 | NULL); | |
6a3891c5 JB |
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 | ||
b9ef22de | 998 | /* [BTRFS_MAX_EXTENT_SIZE/2][sectorsize HOLE][the rest] */ |
6a3891c5 JB |
999 | ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, |
1000 | BTRFS_MAX_EXTENT_SIZE >> 1, | |
b9ef22de | 1001 | (BTRFS_MAX_EXTENT_SIZE >> 1) + sectorsize - 1, |
6a3891c5 JB |
1002 | EXTENT_DELALLOC | EXTENT_DIRTY | |
1003 | EXTENT_UPTODATE | EXTENT_DO_ACCOUNTING, 0, 0, | |
8cce83ba | 1004 | NULL, GFP_KERNEL); |
6a3891c5 JB |
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 | ||
b9ef22de | 1016 | /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */ |
6a3891c5 JB |
1017 | BTRFS_I(inode)->outstanding_extents++; |
1018 | ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE >> 1, | |
b9ef22de FX |
1019 | (BTRFS_MAX_EXTENT_SIZE >> 1) |
1020 | + sectorsize - 1, | |
6a3891c5 JB |
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 | /* | |
b9ef22de | 1034 | * [BTRFS_MAX_EXTENT_SIZE+sectorsize][sectorsize HOLE][BTRFS_MAX_EXTENT_SIZE+sectorsize] |
6a3891c5 JB |
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; | |
b9ef22de FX |
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); | |
6a3891c5 JB |
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 | ||
b9ef22de FX |
1056 | /* |
1057 | * [BTRFS_MAX_EXTENT_SIZE+sectorsize][sectorsize][BTRFS_MAX_EXTENT_SIZE+sectorsize] | |
1058 | */ | |
6a3891c5 | 1059 | BTRFS_I(inode)->outstanding_extents++; |
b9ef22de FX |
1060 | ret = btrfs_set_extent_delalloc(inode, |
1061 | BTRFS_MAX_EXTENT_SIZE + sectorsize, | |
1062 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL); | |
6a3891c5 JB |
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, | |
b9ef22de FX |
1076 | BTRFS_MAX_EXTENT_SIZE + sectorsize, |
1077 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, | |
6a3891c5 JB |
1078 | EXTENT_DIRTY | EXTENT_DELALLOC | |
1079 | EXTENT_DO_ACCOUNTING | EXTENT_UPTODATE, 0, 0, | |
8cce83ba | 1080 | NULL, GFP_KERNEL); |
6a3891c5 JB |
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++; | |
b9ef22de FX |
1097 | ret = btrfs_set_extent_delalloc(inode, |
1098 | BTRFS_MAX_EXTENT_SIZE + sectorsize, | |
1099 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL); | |
6a3891c5 JB |
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, | |
8cce83ba | 1115 | NULL, GFP_KERNEL); |
6a3891c5 JB |
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, | |
8cce83ba | 1132 | NULL, GFP_KERNEL); |
6a3891c5 JB |
1133 | iput(inode); |
1134 | btrfs_free_dummy_root(root); | |
1135 | return ret; | |
1136 | } | |
1137 | ||
b9ef22de | 1138 | int btrfs_test_inodes(u32 sectorsize, u32 nodesize) |
aaedb55b | 1139 | { |
0e30db86 JB |
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 | ||
aaedb55b | 1146 | test_msg("Running btrfs_get_extent tests\n"); |
b9ef22de | 1147 | ret = test_btrfs_get_extent(sectorsize, nodesize); |
0e30db86 JB |
1148 | if (ret) |
1149 | return ret; | |
1150 | test_msg("Running hole first btrfs_get_extent test\n"); | |
b9ef22de | 1151 | ret = test_hole_first(sectorsize, nodesize); |
6a3891c5 JB |
1152 | if (ret) |
1153 | return ret; | |
1154 | test_msg("Running outstanding_extents tests\n"); | |
b9ef22de | 1155 | return test_extent_accounting(sectorsize, nodesize); |
aaedb55b | 1156 | } |