Commit | Line | Data |
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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 | 232 | { |
7c0260ee | 233 | struct btrfs_fs_info *fs_info = NULL; |
aaedb55b JB |
234 | struct inode *inode = NULL; |
235 | struct btrfs_root *root = NULL; | |
236 | struct extent_map *em = NULL; | |
237 | u64 orig_start; | |
238 | u64 disk_bytenr; | |
239 | u64 offset; | |
240 | int ret = -ENOMEM; | |
241 | ||
aaedb55b JB |
242 | inode = btrfs_new_test_inode(); |
243 | if (!inode) { | |
244 | test_msg("Couldn't allocate inode\n"); | |
245 | return ret; | |
246 | } | |
247 | ||
248 | BTRFS_I(inode)->location.type = BTRFS_INODE_ITEM_KEY; | |
249 | BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID; | |
250 | BTRFS_I(inode)->location.offset = 0; | |
251 | ||
7c0260ee JM |
252 | fs_info = btrfs_alloc_dummy_fs_info(); |
253 | if (!fs_info) { | |
254 | test_msg("Couldn't allocate dummy fs info\n"); | |
aaedb55b JB |
255 | goto out; |
256 | } | |
257 | ||
7c0260ee JM |
258 | root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize); |
259 | if (IS_ERR(root)) { | |
260 | test_msg("Couldn't allocate root\n"); | |
aaedb55b JB |
261 | goto out; |
262 | } | |
263 | ||
b9ef22de | 264 | root->node = alloc_dummy_extent_buffer(NULL, nodesize, nodesize); |
aaedb55b JB |
265 | if (!root->node) { |
266 | test_msg("Couldn't allocate dummy buffer\n"); | |
267 | goto out; | |
268 | } | |
269 | ||
270 | /* | |
271 | * We will just free a dummy node if it's ref count is 2 so we need an | |
01327610 | 272 | * extra ref so our searches don't accidentally release our page. |
aaedb55b JB |
273 | */ |
274 | extent_buffer_get(root->node); | |
275 | btrfs_set_header_nritems(root->node, 0); | |
276 | btrfs_set_header_level(root->node, 0); | |
277 | ret = -EINVAL; | |
278 | ||
279 | /* First with no extents */ | |
280 | BTRFS_I(inode)->root = root; | |
b9ef22de | 281 | em = btrfs_get_extent(inode, NULL, 0, 0, sectorsize, 0); |
aaedb55b JB |
282 | if (IS_ERR(em)) { |
283 | em = NULL; | |
284 | test_msg("Got an error when we shouldn't have\n"); | |
285 | goto out; | |
286 | } | |
287 | if (em->block_start != EXTENT_MAP_HOLE) { | |
288 | test_msg("Expected a hole, got %llu\n", em->block_start); | |
289 | goto out; | |
290 | } | |
291 | if (!test_bit(EXTENT_FLAG_VACANCY, &em->flags)) { | |
292 | test_msg("Vacancy flag wasn't set properly\n"); | |
293 | goto out; | |
294 | } | |
295 | free_extent_map(em); | |
296 | btrfs_drop_extent_cache(inode, 0, (u64)-1, 0); | |
297 | ||
298 | /* | |
299 | * All of the magic numbers are based on the mapping setup in | |
300 | * setup_file_extents, so if you change anything there you need to | |
301 | * update the comment and update the expected values below. | |
302 | */ | |
b9ef22de | 303 | setup_file_extents(root, sectorsize); |
aaedb55b JB |
304 | |
305 | em = btrfs_get_extent(inode, NULL, 0, 0, (u64)-1, 0); | |
306 | if (IS_ERR(em)) { | |
307 | test_msg("Got an error when we shouldn't have\n"); | |
308 | goto out; | |
309 | } | |
310 | if (em->block_start != EXTENT_MAP_HOLE) { | |
311 | test_msg("Expected a hole, got %llu\n", em->block_start); | |
312 | goto out; | |
313 | } | |
314 | if (em->start != 0 || em->len != 5) { | |
315 | test_msg("Unexpected extent wanted start 0 len 5, got start " | |
316 | "%llu len %llu\n", em->start, em->len); | |
317 | goto out; | |
318 | } | |
319 | if (em->flags != 0) { | |
320 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
321 | goto out; | |
322 | } | |
323 | offset = em->start + em->len; | |
324 | free_extent_map(em); | |
325 | ||
b9ef22de | 326 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
327 | if (IS_ERR(em)) { |
328 | test_msg("Got an error when we shouldn't have\n"); | |
329 | goto out; | |
330 | } | |
331 | if (em->block_start != EXTENT_MAP_INLINE) { | |
332 | test_msg("Expected an inline, got %llu\n", em->block_start); | |
333 | goto out; | |
334 | } | |
b9ef22de FX |
335 | |
336 | if (em->start != offset || em->len != (sectorsize - 5)) { | |
aaedb55b JB |
337 | test_msg("Unexpected extent wanted start %llu len 1, got start " |
338 | "%llu len %llu\n", offset, em->start, em->len); | |
339 | goto out; | |
340 | } | |
341 | if (em->flags != 0) { | |
342 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
343 | goto out; | |
344 | } | |
345 | /* | |
346 | * We don't test anything else for inline since it doesn't get set | |
347 | * unless we have a page for it to write into. Maybe we should change | |
348 | * this? | |
349 | */ | |
350 | offset = em->start + em->len; | |
351 | free_extent_map(em); | |
352 | ||
b9ef22de | 353 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
354 | if (IS_ERR(em)) { |
355 | test_msg("Got an error when we shouldn't have\n"); | |
356 | goto out; | |
357 | } | |
358 | if (em->block_start != EXTENT_MAP_HOLE) { | |
359 | test_msg("Expected a hole, got %llu\n", em->block_start); | |
360 | goto out; | |
361 | } | |
362 | if (em->start != offset || em->len != 4) { | |
363 | test_msg("Unexpected extent wanted start %llu len 4, got start " | |
364 | "%llu len %llu\n", offset, em->start, em->len); | |
365 | goto out; | |
366 | } | |
367 | if (em->flags != 0) { | |
368 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
369 | goto out; | |
370 | } | |
371 | offset = em->start + em->len; | |
372 | free_extent_map(em); | |
373 | ||
374 | /* Regular extent */ | |
b9ef22de | 375 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
376 | if (IS_ERR(em)) { |
377 | test_msg("Got an error when we shouldn't have\n"); | |
378 | goto out; | |
379 | } | |
380 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
381 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
382 | goto out; | |
383 | } | |
b9ef22de | 384 | if (em->start != offset || em->len != sectorsize - 1) { |
aaedb55b JB |
385 | test_msg("Unexpected extent wanted start %llu len 4095, got " |
386 | "start %llu len %llu\n", offset, em->start, em->len); | |
387 | goto out; | |
388 | } | |
389 | if (em->flags != 0) { | |
390 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
391 | goto out; | |
392 | } | |
393 | if (em->orig_start != em->start) { | |
394 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
395 | em->orig_start); | |
396 | goto out; | |
397 | } | |
398 | offset = em->start + em->len; | |
399 | free_extent_map(em); | |
400 | ||
401 | /* The next 3 are split extents */ | |
b9ef22de | 402 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
403 | if (IS_ERR(em)) { |
404 | test_msg("Got an error when we shouldn't have\n"); | |
405 | goto out; | |
406 | } | |
407 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
408 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
409 | goto out; | |
410 | } | |
b9ef22de FX |
411 | if (em->start != offset || em->len != sectorsize) { |
412 | test_msg("Unexpected extent start %llu len %u, " | |
413 | "got start %llu len %llu\n", | |
414 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
415 | goto out; |
416 | } | |
417 | if (em->flags != 0) { | |
418 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
419 | goto out; | |
420 | } | |
421 | if (em->orig_start != em->start) { | |
422 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
423 | em->orig_start); | |
424 | goto out; | |
425 | } | |
426 | disk_bytenr = em->block_start; | |
427 | orig_start = em->start; | |
428 | offset = em->start + em->len; | |
429 | free_extent_map(em); | |
430 | ||
b9ef22de | 431 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
432 | if (IS_ERR(em)) { |
433 | test_msg("Got an error when we shouldn't have\n"); | |
434 | goto out; | |
435 | } | |
436 | if (em->block_start != EXTENT_MAP_HOLE) { | |
437 | test_msg("Expected a hole, got %llu\n", em->block_start); | |
438 | goto out; | |
439 | } | |
b9ef22de FX |
440 | if (em->start != offset || em->len != sectorsize) { |
441 | test_msg("Unexpected extent wanted start %llu len %u, " | |
442 | "got start %llu len %llu\n", | |
443 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
444 | goto out; |
445 | } | |
446 | if (em->flags != 0) { | |
447 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
448 | goto out; | |
449 | } | |
450 | offset = em->start + em->len; | |
451 | free_extent_map(em); | |
452 | ||
b9ef22de | 453 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
454 | if (IS_ERR(em)) { |
455 | test_msg("Got an error when we shouldn't have\n"); | |
456 | goto out; | |
457 | } | |
458 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
459 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
460 | goto out; | |
461 | } | |
b9ef22de FX |
462 | if (em->start != offset || em->len != 2 * sectorsize) { |
463 | test_msg("Unexpected extent wanted start %llu len %u, " | |
464 | "got start %llu len %llu\n", | |
465 | offset, 2 * sectorsize, em->start, em->len); | |
aaedb55b JB |
466 | goto out; |
467 | } | |
468 | if (em->flags != 0) { | |
469 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
470 | goto out; | |
471 | } | |
472 | if (em->orig_start != orig_start) { | |
473 | test_msg("Wrong orig offset, want %llu, have %llu\n", | |
474 | orig_start, em->orig_start); | |
475 | goto out; | |
476 | } | |
477 | disk_bytenr += (em->start - orig_start); | |
478 | if (em->block_start != disk_bytenr) { | |
479 | test_msg("Wrong block start, want %llu, have %llu\n", | |
480 | disk_bytenr, em->block_start); | |
481 | goto out; | |
482 | } | |
483 | offset = em->start + em->len; | |
484 | free_extent_map(em); | |
485 | ||
486 | /* Prealloc extent */ | |
b9ef22de | 487 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
488 | if (IS_ERR(em)) { |
489 | test_msg("Got an error when we shouldn't have\n"); | |
490 | goto out; | |
491 | } | |
492 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
493 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
494 | goto out; | |
495 | } | |
b9ef22de FX |
496 | if (em->start != offset || em->len != sectorsize) { |
497 | test_msg("Unexpected extent wanted start %llu len %u, " | |
498 | "got start %llu len %llu\n", | |
499 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
500 | goto out; |
501 | } | |
502 | if (em->flags != prealloc_only) { | |
503 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
504 | prealloc_only, em->flags); | |
505 | goto out; | |
506 | } | |
507 | if (em->orig_start != em->start) { | |
508 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
509 | em->orig_start); | |
510 | goto out; | |
511 | } | |
512 | offset = em->start + em->len; | |
513 | free_extent_map(em); | |
514 | ||
515 | /* The next 3 are a half written prealloc extent */ | |
b9ef22de | 516 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
517 | if (IS_ERR(em)) { |
518 | test_msg("Got an error when we shouldn't have\n"); | |
519 | goto out; | |
520 | } | |
521 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
522 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
523 | goto out; | |
524 | } | |
b9ef22de FX |
525 | if (em->start != offset || em->len != sectorsize) { |
526 | test_msg("Unexpected extent wanted start %llu len %u, " | |
527 | "got start %llu len %llu\n", | |
528 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
529 | goto out; |
530 | } | |
531 | if (em->flags != prealloc_only) { | |
532 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
533 | prealloc_only, em->flags); | |
534 | goto out; | |
535 | } | |
536 | if (em->orig_start != em->start) { | |
537 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
538 | em->orig_start); | |
539 | goto out; | |
540 | } | |
541 | disk_bytenr = em->block_start; | |
542 | orig_start = em->start; | |
543 | offset = em->start + em->len; | |
544 | free_extent_map(em); | |
545 | ||
b9ef22de | 546 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
547 | if (IS_ERR(em)) { |
548 | test_msg("Got an error when we shouldn't have\n"); | |
549 | goto out; | |
550 | } | |
551 | if (em->block_start >= EXTENT_MAP_HOLE) { | |
552 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
553 | goto out; | |
554 | } | |
b9ef22de FX |
555 | if (em->start != offset || em->len != sectorsize) { |
556 | test_msg("Unexpected extent wanted start %llu len %u, " | |
557 | "got start %llu len %llu\n", | |
558 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
559 | goto out; |
560 | } | |
561 | if (em->flags != 0) { | |
562 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
563 | goto out; | |
564 | } | |
565 | if (em->orig_start != orig_start) { | |
566 | test_msg("Unexpected orig offset, wanted %llu, have %llu\n", | |
567 | orig_start, em->orig_start); | |
568 | goto out; | |
569 | } | |
570 | if (em->block_start != (disk_bytenr + (em->start - em->orig_start))) { | |
571 | test_msg("Unexpected block start, wanted %llu, have %llu\n", | |
572 | disk_bytenr + (em->start - em->orig_start), | |
573 | em->block_start); | |
574 | goto out; | |
575 | } | |
576 | offset = em->start + em->len; | |
577 | free_extent_map(em); | |
578 | ||
b9ef22de | 579 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
580 | if (IS_ERR(em)) { |
581 | test_msg("Got an error when we shouldn't have\n"); | |
582 | goto out; | |
583 | } | |
584 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
585 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
586 | goto out; | |
587 | } | |
b9ef22de FX |
588 | if (em->start != offset || em->len != 2 * sectorsize) { |
589 | test_msg("Unexpected extent wanted start %llu len %u, " | |
590 | "got start %llu len %llu\n", | |
591 | offset, 2 * sectorsize, em->start, em->len); | |
aaedb55b JB |
592 | goto out; |
593 | } | |
594 | if (em->flags != prealloc_only) { | |
595 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
596 | prealloc_only, em->flags); | |
597 | goto out; | |
598 | } | |
599 | if (em->orig_start != orig_start) { | |
600 | test_msg("Wrong orig offset, want %llu, have %llu\n", orig_start, | |
601 | em->orig_start); | |
602 | goto out; | |
603 | } | |
604 | if (em->block_start != (disk_bytenr + (em->start - em->orig_start))) { | |
605 | test_msg("Unexpected block start, wanted %llu, have %llu\n", | |
606 | disk_bytenr + (em->start - em->orig_start), | |
607 | em->block_start); | |
608 | goto out; | |
609 | } | |
610 | offset = em->start + em->len; | |
611 | free_extent_map(em); | |
612 | ||
613 | /* Now for the compressed extent */ | |
b9ef22de | 614 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
615 | if (IS_ERR(em)) { |
616 | test_msg("Got an error when we shouldn't have\n"); | |
617 | goto out; | |
618 | } | |
619 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
620 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
621 | goto out; | |
622 | } | |
b9ef22de FX |
623 | if (em->start != offset || em->len != 2 * sectorsize) { |
624 | test_msg("Unexpected extent wanted start %llu len %u," | |
625 | "got start %llu len %llu\n", | |
626 | offset, 2 * sectorsize, em->start, em->len); | |
aaedb55b JB |
627 | goto out; |
628 | } | |
629 | if (em->flags != compressed_only) { | |
630 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
631 | compressed_only, em->flags); | |
632 | goto out; | |
633 | } | |
634 | if (em->orig_start != em->start) { | |
635 | test_msg("Wrong orig offset, want %llu, have %llu\n", | |
636 | em->start, em->orig_start); | |
637 | goto out; | |
638 | } | |
639 | if (em->compress_type != BTRFS_COMPRESS_ZLIB) { | |
640 | test_msg("Unexpected compress type, wanted %d, got %d\n", | |
641 | BTRFS_COMPRESS_ZLIB, em->compress_type); | |
642 | goto out; | |
643 | } | |
644 | offset = em->start + em->len; | |
645 | free_extent_map(em); | |
646 | ||
647 | /* Split compressed extent */ | |
b9ef22de | 648 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
649 | if (IS_ERR(em)) { |
650 | test_msg("Got an error when we shouldn't have\n"); | |
651 | goto out; | |
652 | } | |
653 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
654 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
655 | goto out; | |
656 | } | |
b9ef22de FX |
657 | if (em->start != offset || em->len != sectorsize) { |
658 | test_msg("Unexpected extent wanted start %llu len %u," | |
659 | "got start %llu len %llu\n", | |
660 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
661 | goto out; |
662 | } | |
663 | if (em->flags != compressed_only) { | |
664 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
665 | compressed_only, em->flags); | |
666 | goto out; | |
667 | } | |
668 | if (em->orig_start != em->start) { | |
669 | test_msg("Wrong orig offset, want %llu, have %llu\n", | |
670 | em->start, em->orig_start); | |
671 | goto out; | |
672 | } | |
673 | if (em->compress_type != BTRFS_COMPRESS_ZLIB) { | |
674 | test_msg("Unexpected compress type, wanted %d, got %d\n", | |
675 | BTRFS_COMPRESS_ZLIB, em->compress_type); | |
676 | goto out; | |
677 | } | |
678 | disk_bytenr = em->block_start; | |
679 | orig_start = em->start; | |
680 | offset = em->start + em->len; | |
681 | free_extent_map(em); | |
682 | ||
b9ef22de | 683 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
684 | if (IS_ERR(em)) { |
685 | test_msg("Got an error when we shouldn't have\n"); | |
686 | goto out; | |
687 | } | |
688 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
689 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
690 | goto out; | |
691 | } | |
b9ef22de FX |
692 | if (em->start != offset || em->len != sectorsize) { |
693 | test_msg("Unexpected extent wanted start %llu len %u, " | |
694 | "got start %llu len %llu\n", | |
695 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
696 | goto out; |
697 | } | |
698 | if (em->flags != 0) { | |
699 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
700 | goto out; | |
701 | } | |
702 | if (em->orig_start != em->start) { | |
703 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
704 | em->orig_start); | |
705 | goto out; | |
706 | } | |
707 | offset = em->start + em->len; | |
708 | free_extent_map(em); | |
709 | ||
b9ef22de | 710 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
711 | if (IS_ERR(em)) { |
712 | test_msg("Got an error when we shouldn't have\n"); | |
713 | goto out; | |
714 | } | |
715 | if (em->block_start != disk_bytenr) { | |
716 | test_msg("Block start does not match, want %llu got %llu\n", | |
717 | disk_bytenr, em->block_start); | |
718 | goto out; | |
719 | } | |
b9ef22de FX |
720 | if (em->start != offset || em->len != 2 * sectorsize) { |
721 | test_msg("Unexpected extent wanted start %llu len %u, " | |
722 | "got start %llu len %llu\n", | |
723 | offset, 2 * sectorsize, em->start, em->len); | |
aaedb55b JB |
724 | goto out; |
725 | } | |
726 | if (em->flags != compressed_only) { | |
727 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
728 | compressed_only, em->flags); | |
729 | goto out; | |
730 | } | |
731 | if (em->orig_start != orig_start) { | |
732 | test_msg("Wrong orig offset, want %llu, have %llu\n", | |
733 | em->start, orig_start); | |
734 | goto out; | |
735 | } | |
736 | if (em->compress_type != BTRFS_COMPRESS_ZLIB) { | |
737 | test_msg("Unexpected compress type, wanted %d, got %d\n", | |
738 | BTRFS_COMPRESS_ZLIB, em->compress_type); | |
739 | goto out; | |
740 | } | |
741 | offset = em->start + em->len; | |
742 | free_extent_map(em); | |
743 | ||
744 | /* A hole between regular extents but no hole extent */ | |
b9ef22de | 745 | em = btrfs_get_extent(inode, NULL, 0, offset + 6, sectorsize, 0); |
aaedb55b JB |
746 | if (IS_ERR(em)) { |
747 | test_msg("Got an error when we shouldn't have\n"); | |
748 | goto out; | |
749 | } | |
750 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
751 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
752 | goto out; | |
753 | } | |
b9ef22de FX |
754 | if (em->start != offset || em->len != sectorsize) { |
755 | test_msg("Unexpected extent wanted start %llu len %u, " | |
756 | "got start %llu len %llu\n", | |
757 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
758 | goto out; |
759 | } | |
760 | if (em->flags != 0) { | |
761 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
762 | goto out; | |
763 | } | |
764 | if (em->orig_start != em->start) { | |
765 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
766 | em->orig_start); | |
767 | goto out; | |
768 | } | |
769 | offset = em->start + em->len; | |
770 | free_extent_map(em); | |
771 | ||
772 | em = btrfs_get_extent(inode, NULL, 0, offset, 4096 * 1024, 0); | |
773 | if (IS_ERR(em)) { | |
774 | test_msg("Got an error when we shouldn't have\n"); | |
775 | goto out; | |
776 | } | |
777 | if (em->block_start != EXTENT_MAP_HOLE) { | |
778 | test_msg("Expected a hole extent, got %llu\n", em->block_start); | |
779 | goto out; | |
780 | } | |
781 | /* | |
782 | * Currently we just return a length that we requested rather than the | |
783 | * length of the actual hole, if this changes we'll have to change this | |
784 | * test. | |
785 | */ | |
b9ef22de FX |
786 | if (em->start != offset || em->len != 3 * sectorsize) { |
787 | test_msg("Unexpected extent wanted start %llu len %u, " | |
788 | "got start %llu len %llu\n", | |
789 | offset, 3 * sectorsize, em->start, em->len); | |
aaedb55b JB |
790 | goto out; |
791 | } | |
792 | if (em->flags != vacancy_only) { | |
793 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
794 | vacancy_only, em->flags); | |
795 | goto out; | |
796 | } | |
797 | if (em->orig_start != em->start) { | |
798 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
799 | em->orig_start); | |
800 | goto out; | |
801 | } | |
802 | offset = em->start + em->len; | |
803 | free_extent_map(em); | |
804 | ||
b9ef22de | 805 | em = btrfs_get_extent(inode, NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
806 | if (IS_ERR(em)) { |
807 | test_msg("Got an error when we shouldn't have\n"); | |
808 | goto out; | |
809 | } | |
810 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
811 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
812 | goto out; | |
813 | } | |
b9ef22de FX |
814 | if (em->start != offset || em->len != sectorsize) { |
815 | test_msg("Unexpected extent wanted start %llu len %u," | |
816 | "got start %llu len %llu\n", | |
817 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
818 | goto out; |
819 | } | |
820 | if (em->flags != 0) { | |
821 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
822 | goto out; | |
823 | } | |
824 | if (em->orig_start != em->start) { | |
825 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
826 | em->orig_start); | |
827 | goto out; | |
828 | } | |
829 | ret = 0; | |
830 | out: | |
831 | if (!IS_ERR(em)) | |
832 | free_extent_map(em); | |
833 | iput(inode); | |
faa2dbf0 | 834 | btrfs_free_dummy_root(root); |
7c0260ee | 835 | btrfs_free_dummy_fs_info(fs_info); |
aaedb55b JB |
836 | return ret; |
837 | } | |
838 | ||
b9ef22de | 839 | static int test_hole_first(u32 sectorsize, u32 nodesize) |
0e30db86 | 840 | { |
7c0260ee | 841 | struct btrfs_fs_info *fs_info = NULL; |
0e30db86 JB |
842 | struct inode *inode = NULL; |
843 | struct btrfs_root *root = NULL; | |
844 | struct extent_map *em = NULL; | |
845 | int ret = -ENOMEM; | |
846 | ||
847 | inode = btrfs_new_test_inode(); | |
848 | if (!inode) { | |
849 | test_msg("Couldn't allocate inode\n"); | |
850 | return ret; | |
851 | } | |
852 | ||
853 | BTRFS_I(inode)->location.type = BTRFS_INODE_ITEM_KEY; | |
854 | BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID; | |
855 | BTRFS_I(inode)->location.offset = 0; | |
856 | ||
7c0260ee JM |
857 | fs_info = btrfs_alloc_dummy_fs_info(); |
858 | if (!fs_info) { | |
859 | test_msg("Couldn't allocate dummy fs info\n"); | |
0e30db86 JB |
860 | goto out; |
861 | } | |
862 | ||
7c0260ee JM |
863 | root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize); |
864 | if (IS_ERR(root)) { | |
865 | test_msg("Couldn't allocate root\n"); | |
0e30db86 JB |
866 | goto out; |
867 | } | |
868 | ||
b9ef22de | 869 | root->node = alloc_dummy_extent_buffer(NULL, nodesize, nodesize); |
0e30db86 JB |
870 | if (!root->node) { |
871 | test_msg("Couldn't allocate dummy buffer\n"); | |
872 | goto out; | |
873 | } | |
874 | ||
875 | extent_buffer_get(root->node); | |
876 | btrfs_set_header_nritems(root->node, 0); | |
877 | btrfs_set_header_level(root->node, 0); | |
878 | BTRFS_I(inode)->root = root; | |
879 | ret = -EINVAL; | |
880 | ||
881 | /* | |
882 | * Need a blank inode item here just so we don't confuse | |
883 | * btrfs_get_extent. | |
884 | */ | |
885 | insert_inode_item_key(root); | |
b9ef22de FX |
886 | insert_extent(root, sectorsize, sectorsize, sectorsize, 0, sectorsize, |
887 | sectorsize, BTRFS_FILE_EXTENT_REG, 0, 1); | |
888 | em = btrfs_get_extent(inode, NULL, 0, 0, 2 * sectorsize, 0); | |
0e30db86 JB |
889 | if (IS_ERR(em)) { |
890 | test_msg("Got an error when we shouldn't have\n"); | |
891 | goto out; | |
892 | } | |
893 | if (em->block_start != EXTENT_MAP_HOLE) { | |
894 | test_msg("Expected a hole, got %llu\n", em->block_start); | |
895 | goto out; | |
896 | } | |
b9ef22de FX |
897 | if (em->start != 0 || em->len != sectorsize) { |
898 | test_msg("Unexpected extent wanted start 0 len %u, " | |
899 | "got start %llu len %llu\n", | |
900 | sectorsize, em->start, em->len); | |
0e30db86 JB |
901 | goto out; |
902 | } | |
903 | if (em->flags != vacancy_only) { | |
904 | test_msg("Wrong flags, wanted %lu, have %lu\n", vacancy_only, | |
905 | em->flags); | |
906 | goto out; | |
907 | } | |
908 | free_extent_map(em); | |
909 | ||
b9ef22de | 910 | em = btrfs_get_extent(inode, NULL, 0, sectorsize, 2 * sectorsize, 0); |
0e30db86 JB |
911 | if (IS_ERR(em)) { |
912 | test_msg("Got an error when we shouldn't have\n"); | |
913 | goto out; | |
914 | } | |
b9ef22de | 915 | if (em->block_start != sectorsize) { |
0e30db86 JB |
916 | test_msg("Expected a real extent, got %llu\n", em->block_start); |
917 | goto out; | |
918 | } | |
b9ef22de FX |
919 | if (em->start != sectorsize || em->len != sectorsize) { |
920 | test_msg("Unexpected extent wanted start %u len %u, " | |
921 | "got start %llu len %llu\n", | |
922 | sectorsize, sectorsize, em->start, em->len); | |
0e30db86 JB |
923 | goto out; |
924 | } | |
925 | if (em->flags != 0) { | |
926 | test_msg("Unexpected flags set, wanted 0 got %lu\n", | |
927 | em->flags); | |
928 | goto out; | |
929 | } | |
930 | ret = 0; | |
931 | out: | |
932 | if (!IS_ERR(em)) | |
933 | free_extent_map(em); | |
934 | iput(inode); | |
faa2dbf0 | 935 | btrfs_free_dummy_root(root); |
7c0260ee | 936 | btrfs_free_dummy_fs_info(fs_info); |
0e30db86 JB |
937 | return ret; |
938 | } | |
939 | ||
b9ef22de | 940 | static int test_extent_accounting(u32 sectorsize, u32 nodesize) |
6a3891c5 | 941 | { |
7c0260ee | 942 | struct btrfs_fs_info *fs_info = NULL; |
6a3891c5 JB |
943 | struct inode *inode = NULL; |
944 | struct btrfs_root *root = NULL; | |
945 | int ret = -ENOMEM; | |
946 | ||
947 | inode = btrfs_new_test_inode(); | |
948 | if (!inode) { | |
949 | test_msg("Couldn't allocate inode\n"); | |
950 | return ret; | |
951 | } | |
952 | ||
7c0260ee JM |
953 | fs_info = btrfs_alloc_dummy_fs_info(); |
954 | if (!fs_info) { | |
955 | test_msg("Couldn't allocate dummy fs info\n"); | |
6a3891c5 JB |
956 | goto out; |
957 | } | |
958 | ||
7c0260ee JM |
959 | root = btrfs_alloc_dummy_root(fs_info, sectorsize, nodesize); |
960 | if (IS_ERR(root)) { | |
961 | test_msg("Couldn't allocate root\n"); | |
6a3891c5 JB |
962 | goto out; |
963 | } | |
964 | ||
965 | BTRFS_I(inode)->root = root; | |
966 | btrfs_test_inode_set_ops(inode); | |
967 | ||
968 | /* [BTRFS_MAX_EXTENT_SIZE] */ | |
969 | BTRFS_I(inode)->outstanding_extents++; | |
970 | ret = btrfs_set_extent_delalloc(inode, 0, BTRFS_MAX_EXTENT_SIZE - 1, | |
b0985c40 | 971 | NULL, 0); |
6a3891c5 JB |
972 | if (ret) { |
973 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
974 | goto out; | |
975 | } | |
976 | if (BTRFS_I(inode)->outstanding_extents != 1) { | |
977 | ret = -EINVAL; | |
978 | test_msg("Miscount, wanted 1, got %u\n", | |
979 | BTRFS_I(inode)->outstanding_extents); | |
980 | goto out; | |
981 | } | |
982 | ||
b9ef22de | 983 | /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */ |
6a3891c5 JB |
984 | BTRFS_I(inode)->outstanding_extents++; |
985 | ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE, | |
b9ef22de | 986 | BTRFS_MAX_EXTENT_SIZE + sectorsize - 1, |
b0985c40 | 987 | NULL, 0); |
6a3891c5 JB |
988 | if (ret) { |
989 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
990 | goto out; | |
991 | } | |
992 | if (BTRFS_I(inode)->outstanding_extents != 2) { | |
993 | ret = -EINVAL; | |
994 | test_msg("Miscount, wanted 2, got %u\n", | |
995 | BTRFS_I(inode)->outstanding_extents); | |
996 | goto out; | |
997 | } | |
998 | ||
b9ef22de | 999 | /* [BTRFS_MAX_EXTENT_SIZE/2][sectorsize HOLE][the rest] */ |
6a3891c5 JB |
1000 | ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, |
1001 | BTRFS_MAX_EXTENT_SIZE >> 1, | |
b9ef22de | 1002 | (BTRFS_MAX_EXTENT_SIZE >> 1) + sectorsize - 1, |
6a3891c5 JB |
1003 | EXTENT_DELALLOC | EXTENT_DIRTY | |
1004 | EXTENT_UPTODATE | EXTENT_DO_ACCOUNTING, 0, 0, | |
8cce83ba | 1005 | NULL, GFP_KERNEL); |
6a3891c5 JB |
1006 | if (ret) { |
1007 | test_msg("clear_extent_bit returned %d\n", ret); | |
1008 | goto out; | |
1009 | } | |
1010 | if (BTRFS_I(inode)->outstanding_extents != 2) { | |
1011 | ret = -EINVAL; | |
1012 | test_msg("Miscount, wanted 2, got %u\n", | |
1013 | BTRFS_I(inode)->outstanding_extents); | |
1014 | goto out; | |
1015 | } | |
1016 | ||
b9ef22de | 1017 | /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */ |
6a3891c5 JB |
1018 | BTRFS_I(inode)->outstanding_extents++; |
1019 | ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE >> 1, | |
b9ef22de FX |
1020 | (BTRFS_MAX_EXTENT_SIZE >> 1) |
1021 | + sectorsize - 1, | |
b0985c40 | 1022 | NULL, 0); |
6a3891c5 JB |
1023 | if (ret) { |
1024 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
1025 | goto out; | |
1026 | } | |
1027 | if (BTRFS_I(inode)->outstanding_extents != 2) { | |
1028 | ret = -EINVAL; | |
1029 | test_msg("Miscount, wanted 2, got %u\n", | |
1030 | BTRFS_I(inode)->outstanding_extents); | |
1031 | goto out; | |
1032 | } | |
1033 | ||
1034 | /* | |
b9ef22de | 1035 | * [BTRFS_MAX_EXTENT_SIZE+sectorsize][sectorsize HOLE][BTRFS_MAX_EXTENT_SIZE+sectorsize] |
6a3891c5 JB |
1036 | * |
1037 | * I'm artificially adding 2 to outstanding_extents because in the | |
1038 | * buffered IO case we'd add things up as we go, but I don't feel like | |
1039 | * doing that here, this isn't the interesting case we want to test. | |
1040 | */ | |
1041 | BTRFS_I(inode)->outstanding_extents += 2; | |
b9ef22de FX |
1042 | ret = btrfs_set_extent_delalloc(inode, |
1043 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize, | |
1044 | (BTRFS_MAX_EXTENT_SIZE << 1) + 3 * sectorsize - 1, | |
b0985c40 | 1045 | NULL, 0); |
6a3891c5 JB |
1046 | if (ret) { |
1047 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
1048 | goto out; | |
1049 | } | |
1050 | if (BTRFS_I(inode)->outstanding_extents != 4) { | |
1051 | ret = -EINVAL; | |
1052 | test_msg("Miscount, wanted 4, got %u\n", | |
1053 | BTRFS_I(inode)->outstanding_extents); | |
1054 | goto out; | |
1055 | } | |
1056 | ||
b9ef22de FX |
1057 | /* |
1058 | * [BTRFS_MAX_EXTENT_SIZE+sectorsize][sectorsize][BTRFS_MAX_EXTENT_SIZE+sectorsize] | |
1059 | */ | |
6a3891c5 | 1060 | BTRFS_I(inode)->outstanding_extents++; |
b9ef22de FX |
1061 | ret = btrfs_set_extent_delalloc(inode, |
1062 | BTRFS_MAX_EXTENT_SIZE + sectorsize, | |
b0985c40 | 1063 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL, 0); |
6a3891c5 JB |
1064 | if (ret) { |
1065 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
1066 | goto out; | |
1067 | } | |
1068 | if (BTRFS_I(inode)->outstanding_extents != 3) { | |
1069 | ret = -EINVAL; | |
1070 | test_msg("Miscount, wanted 3, got %u\n", | |
1071 | BTRFS_I(inode)->outstanding_extents); | |
1072 | goto out; | |
1073 | } | |
1074 | ||
1075 | /* [BTRFS_MAX_EXTENT_SIZE+4k][4K HOLE][BTRFS_MAX_EXTENT_SIZE+4k] */ | |
1076 | ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, | |
b9ef22de FX |
1077 | BTRFS_MAX_EXTENT_SIZE + sectorsize, |
1078 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, | |
6a3891c5 JB |
1079 | EXTENT_DIRTY | EXTENT_DELALLOC | |
1080 | EXTENT_DO_ACCOUNTING | EXTENT_UPTODATE, 0, 0, | |
8cce83ba | 1081 | NULL, GFP_KERNEL); |
6a3891c5 JB |
1082 | if (ret) { |
1083 | test_msg("clear_extent_bit returned %d\n", ret); | |
1084 | goto out; | |
1085 | } | |
1086 | if (BTRFS_I(inode)->outstanding_extents != 4) { | |
1087 | ret = -EINVAL; | |
1088 | test_msg("Miscount, wanted 4, got %u\n", | |
1089 | BTRFS_I(inode)->outstanding_extents); | |
1090 | goto out; | |
1091 | } | |
1092 | ||
1093 | /* | |
1094 | * Refill the hole again just for good measure, because I thought it | |
1095 | * might fail and I'd rather satisfy my paranoia at this point. | |
1096 | */ | |
1097 | BTRFS_I(inode)->outstanding_extents++; | |
b9ef22de FX |
1098 | ret = btrfs_set_extent_delalloc(inode, |
1099 | BTRFS_MAX_EXTENT_SIZE + sectorsize, | |
b0985c40 | 1100 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL, 0); |
6a3891c5 JB |
1101 | if (ret) { |
1102 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
1103 | goto out; | |
1104 | } | |
1105 | if (BTRFS_I(inode)->outstanding_extents != 3) { | |
1106 | ret = -EINVAL; | |
1107 | test_msg("Miscount, wanted 3, got %u\n", | |
1108 | BTRFS_I(inode)->outstanding_extents); | |
1109 | goto out; | |
1110 | } | |
1111 | ||
1112 | /* Empty */ | |
1113 | ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, 0, (u64)-1, | |
1114 | EXTENT_DIRTY | EXTENT_DELALLOC | | |
1115 | EXTENT_DO_ACCOUNTING | EXTENT_UPTODATE, 0, 0, | |
8cce83ba | 1116 | NULL, GFP_KERNEL); |
6a3891c5 JB |
1117 | if (ret) { |
1118 | test_msg("clear_extent_bit returned %d\n", ret); | |
1119 | goto out; | |
1120 | } | |
1121 | if (BTRFS_I(inode)->outstanding_extents) { | |
1122 | ret = -EINVAL; | |
1123 | test_msg("Miscount, wanted 0, got %u\n", | |
1124 | BTRFS_I(inode)->outstanding_extents); | |
1125 | goto out; | |
1126 | } | |
1127 | ret = 0; | |
1128 | out: | |
1129 | if (ret) | |
1130 | clear_extent_bit(&BTRFS_I(inode)->io_tree, 0, (u64)-1, | |
1131 | EXTENT_DIRTY | EXTENT_DELALLOC | | |
1132 | EXTENT_DO_ACCOUNTING | EXTENT_UPTODATE, 0, 0, | |
8cce83ba | 1133 | NULL, GFP_KERNEL); |
6a3891c5 JB |
1134 | iput(inode); |
1135 | btrfs_free_dummy_root(root); | |
7c0260ee | 1136 | btrfs_free_dummy_fs_info(fs_info); |
6a3891c5 JB |
1137 | return ret; |
1138 | } | |
1139 | ||
b9ef22de | 1140 | int btrfs_test_inodes(u32 sectorsize, u32 nodesize) |
aaedb55b | 1141 | { |
0e30db86 JB |
1142 | int ret; |
1143 | ||
1144 | set_bit(EXTENT_FLAG_COMPRESSED, &compressed_only); | |
1145 | set_bit(EXTENT_FLAG_VACANCY, &vacancy_only); | |
1146 | set_bit(EXTENT_FLAG_PREALLOC, &prealloc_only); | |
1147 | ||
aaedb55b | 1148 | test_msg("Running btrfs_get_extent tests\n"); |
b9ef22de | 1149 | ret = test_btrfs_get_extent(sectorsize, nodesize); |
0e30db86 JB |
1150 | if (ret) |
1151 | return ret; | |
1152 | test_msg("Running hole first btrfs_get_extent test\n"); | |
b9ef22de | 1153 | ret = test_hole_first(sectorsize, nodesize); |
6a3891c5 JB |
1154 | if (ret) |
1155 | return ret; | |
1156 | test_msg("Running outstanding_extents tests\n"); | |
b9ef22de | 1157 | return test_extent_accounting(sectorsize, nodesize); |
aaedb55b | 1158 | } |