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 | ||
da17066c | 252 | fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize); |
7c0260ee JM |
253 | if (!fs_info) { |
254 | test_msg("Couldn't allocate dummy fs info\n"); | |
aaedb55b JB |
255 | goto out; |
256 | } | |
257 | ||
da17066c | 258 | root = btrfs_alloc_dummy_root(fs_info); |
7c0260ee JM |
259 | if (IS_ERR(root)) { |
260 | test_msg("Couldn't allocate root\n"); | |
aaedb55b JB |
261 | goto out; |
262 | } | |
263 | ||
da17066c | 264 | root->node = alloc_dummy_extent_buffer(fs_info, 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; | |
fc4f21b1 | 281 | em = btrfs_get_extent(BTRFS_I(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 | } | |
aaedb55b | 291 | free_extent_map(em); |
dcdbc059 | 292 | btrfs_drop_extent_cache(BTRFS_I(inode), 0, (u64)-1, 0); |
aaedb55b JB |
293 | |
294 | /* | |
295 | * All of the magic numbers are based on the mapping setup in | |
296 | * setup_file_extents, so if you change anything there you need to | |
297 | * update the comment and update the expected values below. | |
298 | */ | |
b9ef22de | 299 | setup_file_extents(root, sectorsize); |
aaedb55b | 300 | |
fc4f21b1 | 301 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, 0, (u64)-1, 0); |
aaedb55b JB |
302 | if (IS_ERR(em)) { |
303 | test_msg("Got an error when we shouldn't have\n"); | |
304 | goto out; | |
305 | } | |
306 | if (em->block_start != EXTENT_MAP_HOLE) { | |
307 | test_msg("Expected a hole, got %llu\n", em->block_start); | |
308 | goto out; | |
309 | } | |
310 | if (em->start != 0 || em->len != 5) { | |
311 | test_msg("Unexpected extent wanted start 0 len 5, got start " | |
312 | "%llu len %llu\n", em->start, em->len); | |
313 | goto out; | |
314 | } | |
315 | if (em->flags != 0) { | |
316 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
317 | goto out; | |
318 | } | |
319 | offset = em->start + em->len; | |
320 | free_extent_map(em); | |
321 | ||
fc4f21b1 | 322 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
323 | if (IS_ERR(em)) { |
324 | test_msg("Got an error when we shouldn't have\n"); | |
325 | goto out; | |
326 | } | |
327 | if (em->block_start != EXTENT_MAP_INLINE) { | |
328 | test_msg("Expected an inline, got %llu\n", em->block_start); | |
329 | goto out; | |
330 | } | |
b9ef22de FX |
331 | |
332 | if (em->start != offset || em->len != (sectorsize - 5)) { | |
aaedb55b JB |
333 | test_msg("Unexpected extent wanted start %llu len 1, got start " |
334 | "%llu len %llu\n", offset, em->start, em->len); | |
335 | goto out; | |
336 | } | |
337 | if (em->flags != 0) { | |
338 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
339 | goto out; | |
340 | } | |
341 | /* | |
342 | * We don't test anything else for inline since it doesn't get set | |
343 | * unless we have a page for it to write into. Maybe we should change | |
344 | * this? | |
345 | */ | |
346 | offset = em->start + em->len; | |
347 | free_extent_map(em); | |
348 | ||
fc4f21b1 | 349 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
350 | if (IS_ERR(em)) { |
351 | test_msg("Got an error when we shouldn't have\n"); | |
352 | goto out; | |
353 | } | |
354 | if (em->block_start != EXTENT_MAP_HOLE) { | |
355 | test_msg("Expected a hole, got %llu\n", em->block_start); | |
356 | goto out; | |
357 | } | |
358 | if (em->start != offset || em->len != 4) { | |
359 | test_msg("Unexpected extent wanted start %llu len 4, got start " | |
360 | "%llu len %llu\n", offset, em->start, em->len); | |
361 | goto out; | |
362 | } | |
363 | if (em->flags != 0) { | |
364 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
365 | goto out; | |
366 | } | |
367 | offset = em->start + em->len; | |
368 | free_extent_map(em); | |
369 | ||
370 | /* Regular extent */ | |
fc4f21b1 | 371 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
372 | if (IS_ERR(em)) { |
373 | test_msg("Got an error when we shouldn't have\n"); | |
374 | goto out; | |
375 | } | |
376 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
377 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
378 | goto out; | |
379 | } | |
b9ef22de | 380 | if (em->start != offset || em->len != sectorsize - 1) { |
aaedb55b JB |
381 | test_msg("Unexpected extent wanted start %llu len 4095, got " |
382 | "start %llu len %llu\n", offset, em->start, em->len); | |
383 | goto out; | |
384 | } | |
385 | if (em->flags != 0) { | |
386 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
387 | goto out; | |
388 | } | |
389 | if (em->orig_start != em->start) { | |
390 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
391 | em->orig_start); | |
392 | goto out; | |
393 | } | |
394 | offset = em->start + em->len; | |
395 | free_extent_map(em); | |
396 | ||
397 | /* The next 3 are split extents */ | |
fc4f21b1 | 398 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
399 | if (IS_ERR(em)) { |
400 | test_msg("Got an error when we shouldn't have\n"); | |
401 | goto out; | |
402 | } | |
403 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
404 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
405 | goto out; | |
406 | } | |
b9ef22de FX |
407 | if (em->start != offset || em->len != sectorsize) { |
408 | test_msg("Unexpected extent start %llu len %u, " | |
409 | "got start %llu len %llu\n", | |
410 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
411 | goto out; |
412 | } | |
413 | if (em->flags != 0) { | |
414 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
415 | goto out; | |
416 | } | |
417 | if (em->orig_start != em->start) { | |
418 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
419 | em->orig_start); | |
420 | goto out; | |
421 | } | |
422 | disk_bytenr = em->block_start; | |
423 | orig_start = em->start; | |
424 | offset = em->start + em->len; | |
425 | free_extent_map(em); | |
426 | ||
fc4f21b1 | 427 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
428 | if (IS_ERR(em)) { |
429 | test_msg("Got an error when we shouldn't have\n"); | |
430 | goto out; | |
431 | } | |
432 | if (em->block_start != EXTENT_MAP_HOLE) { | |
433 | test_msg("Expected a hole, got %llu\n", em->block_start); | |
434 | goto out; | |
435 | } | |
b9ef22de FX |
436 | if (em->start != offset || em->len != sectorsize) { |
437 | test_msg("Unexpected extent wanted start %llu len %u, " | |
438 | "got start %llu len %llu\n", | |
439 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
440 | goto out; |
441 | } | |
442 | if (em->flags != 0) { | |
443 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
444 | goto out; | |
445 | } | |
446 | offset = em->start + em->len; | |
447 | free_extent_map(em); | |
448 | ||
fc4f21b1 | 449 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
450 | if (IS_ERR(em)) { |
451 | test_msg("Got an error when we shouldn't have\n"); | |
452 | goto out; | |
453 | } | |
454 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
455 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
456 | goto out; | |
457 | } | |
b9ef22de FX |
458 | if (em->start != offset || em->len != 2 * sectorsize) { |
459 | test_msg("Unexpected extent wanted start %llu len %u, " | |
460 | "got start %llu len %llu\n", | |
461 | offset, 2 * sectorsize, em->start, em->len); | |
aaedb55b JB |
462 | goto out; |
463 | } | |
464 | if (em->flags != 0) { | |
465 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
466 | goto out; | |
467 | } | |
468 | if (em->orig_start != orig_start) { | |
469 | test_msg("Wrong orig offset, want %llu, have %llu\n", | |
470 | orig_start, em->orig_start); | |
471 | goto out; | |
472 | } | |
473 | disk_bytenr += (em->start - orig_start); | |
474 | if (em->block_start != disk_bytenr) { | |
475 | test_msg("Wrong block start, want %llu, have %llu\n", | |
476 | disk_bytenr, em->block_start); | |
477 | goto out; | |
478 | } | |
479 | offset = em->start + em->len; | |
480 | free_extent_map(em); | |
481 | ||
482 | /* Prealloc extent */ | |
fc4f21b1 | 483 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
484 | if (IS_ERR(em)) { |
485 | test_msg("Got an error when we shouldn't have\n"); | |
486 | goto out; | |
487 | } | |
488 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
489 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
490 | goto out; | |
491 | } | |
b9ef22de FX |
492 | if (em->start != offset || em->len != sectorsize) { |
493 | test_msg("Unexpected extent wanted start %llu len %u, " | |
494 | "got start %llu len %llu\n", | |
495 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
496 | goto out; |
497 | } | |
498 | if (em->flags != prealloc_only) { | |
499 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
500 | prealloc_only, em->flags); | |
501 | goto out; | |
502 | } | |
503 | if (em->orig_start != em->start) { | |
504 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
505 | em->orig_start); | |
506 | goto out; | |
507 | } | |
508 | offset = em->start + em->len; | |
509 | free_extent_map(em); | |
510 | ||
511 | /* The next 3 are a half written prealloc extent */ | |
fc4f21b1 | 512 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
513 | if (IS_ERR(em)) { |
514 | test_msg("Got an error when we shouldn't have\n"); | |
515 | goto out; | |
516 | } | |
517 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
518 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
519 | goto out; | |
520 | } | |
b9ef22de FX |
521 | if (em->start != offset || em->len != sectorsize) { |
522 | test_msg("Unexpected extent wanted start %llu len %u, " | |
523 | "got start %llu len %llu\n", | |
524 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
525 | goto out; |
526 | } | |
527 | if (em->flags != prealloc_only) { | |
528 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
529 | prealloc_only, em->flags); | |
530 | goto out; | |
531 | } | |
532 | if (em->orig_start != em->start) { | |
533 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
534 | em->orig_start); | |
535 | goto out; | |
536 | } | |
537 | disk_bytenr = em->block_start; | |
538 | orig_start = em->start; | |
539 | offset = em->start + em->len; | |
540 | free_extent_map(em); | |
541 | ||
fc4f21b1 | 542 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
543 | if (IS_ERR(em)) { |
544 | test_msg("Got an error when we shouldn't have\n"); | |
545 | goto out; | |
546 | } | |
547 | if (em->block_start >= EXTENT_MAP_HOLE) { | |
548 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
549 | goto out; | |
550 | } | |
b9ef22de FX |
551 | if (em->start != offset || em->len != sectorsize) { |
552 | test_msg("Unexpected extent wanted start %llu len %u, " | |
553 | "got start %llu len %llu\n", | |
554 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
555 | goto out; |
556 | } | |
557 | if (em->flags != 0) { | |
558 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
559 | goto out; | |
560 | } | |
561 | if (em->orig_start != orig_start) { | |
562 | test_msg("Unexpected orig offset, wanted %llu, have %llu\n", | |
563 | orig_start, em->orig_start); | |
564 | goto out; | |
565 | } | |
566 | if (em->block_start != (disk_bytenr + (em->start - em->orig_start))) { | |
567 | test_msg("Unexpected block start, wanted %llu, have %llu\n", | |
568 | disk_bytenr + (em->start - em->orig_start), | |
569 | em->block_start); | |
570 | goto out; | |
571 | } | |
572 | offset = em->start + em->len; | |
573 | free_extent_map(em); | |
574 | ||
fc4f21b1 | 575 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
576 | if (IS_ERR(em)) { |
577 | test_msg("Got an error when we shouldn't have\n"); | |
578 | goto out; | |
579 | } | |
580 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
581 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
582 | goto out; | |
583 | } | |
b9ef22de FX |
584 | if (em->start != offset || em->len != 2 * sectorsize) { |
585 | test_msg("Unexpected extent wanted start %llu len %u, " | |
586 | "got start %llu len %llu\n", | |
587 | offset, 2 * sectorsize, em->start, em->len); | |
aaedb55b JB |
588 | goto out; |
589 | } | |
590 | if (em->flags != prealloc_only) { | |
591 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
592 | prealloc_only, em->flags); | |
593 | goto out; | |
594 | } | |
595 | if (em->orig_start != orig_start) { | |
596 | test_msg("Wrong orig offset, want %llu, have %llu\n", orig_start, | |
597 | em->orig_start); | |
598 | goto out; | |
599 | } | |
600 | if (em->block_start != (disk_bytenr + (em->start - em->orig_start))) { | |
601 | test_msg("Unexpected block start, wanted %llu, have %llu\n", | |
602 | disk_bytenr + (em->start - em->orig_start), | |
603 | em->block_start); | |
604 | goto out; | |
605 | } | |
606 | offset = em->start + em->len; | |
607 | free_extent_map(em); | |
608 | ||
609 | /* Now for the compressed extent */ | |
fc4f21b1 | 610 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
611 | if (IS_ERR(em)) { |
612 | test_msg("Got an error when we shouldn't have\n"); | |
613 | goto out; | |
614 | } | |
615 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
616 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
617 | goto out; | |
618 | } | |
b9ef22de FX |
619 | if (em->start != offset || em->len != 2 * sectorsize) { |
620 | test_msg("Unexpected extent wanted start %llu len %u," | |
621 | "got start %llu len %llu\n", | |
622 | offset, 2 * sectorsize, em->start, em->len); | |
aaedb55b JB |
623 | goto out; |
624 | } | |
625 | if (em->flags != compressed_only) { | |
626 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
627 | compressed_only, em->flags); | |
628 | goto out; | |
629 | } | |
630 | if (em->orig_start != em->start) { | |
631 | test_msg("Wrong orig offset, want %llu, have %llu\n", | |
632 | em->start, em->orig_start); | |
633 | goto out; | |
634 | } | |
635 | if (em->compress_type != BTRFS_COMPRESS_ZLIB) { | |
636 | test_msg("Unexpected compress type, wanted %d, got %d\n", | |
637 | BTRFS_COMPRESS_ZLIB, em->compress_type); | |
638 | goto out; | |
639 | } | |
640 | offset = em->start + em->len; | |
641 | free_extent_map(em); | |
642 | ||
643 | /* Split compressed extent */ | |
fc4f21b1 | 644 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
645 | if (IS_ERR(em)) { |
646 | test_msg("Got an error when we shouldn't have\n"); | |
647 | goto out; | |
648 | } | |
649 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
650 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
651 | goto out; | |
652 | } | |
b9ef22de FX |
653 | if (em->start != offset || em->len != sectorsize) { |
654 | test_msg("Unexpected extent wanted start %llu len %u," | |
655 | "got start %llu len %llu\n", | |
656 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
657 | goto out; |
658 | } | |
659 | if (em->flags != compressed_only) { | |
660 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
661 | compressed_only, em->flags); | |
662 | goto out; | |
663 | } | |
664 | if (em->orig_start != em->start) { | |
665 | test_msg("Wrong orig offset, want %llu, have %llu\n", | |
666 | em->start, em->orig_start); | |
667 | goto out; | |
668 | } | |
669 | if (em->compress_type != BTRFS_COMPRESS_ZLIB) { | |
670 | test_msg("Unexpected compress type, wanted %d, got %d\n", | |
671 | BTRFS_COMPRESS_ZLIB, em->compress_type); | |
672 | goto out; | |
673 | } | |
674 | disk_bytenr = em->block_start; | |
675 | orig_start = em->start; | |
676 | offset = em->start + em->len; | |
677 | free_extent_map(em); | |
678 | ||
fc4f21b1 | 679 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
680 | if (IS_ERR(em)) { |
681 | test_msg("Got an error when we shouldn't have\n"); | |
682 | goto out; | |
683 | } | |
684 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
685 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
686 | goto out; | |
687 | } | |
b9ef22de FX |
688 | if (em->start != offset || em->len != sectorsize) { |
689 | test_msg("Unexpected extent wanted start %llu len %u, " | |
690 | "got start %llu len %llu\n", | |
691 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
692 | goto out; |
693 | } | |
694 | if (em->flags != 0) { | |
695 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
696 | goto out; | |
697 | } | |
698 | if (em->orig_start != em->start) { | |
699 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
700 | em->orig_start); | |
701 | goto out; | |
702 | } | |
703 | offset = em->start + em->len; | |
704 | free_extent_map(em); | |
705 | ||
fc4f21b1 | 706 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
707 | if (IS_ERR(em)) { |
708 | test_msg("Got an error when we shouldn't have\n"); | |
709 | goto out; | |
710 | } | |
711 | if (em->block_start != disk_bytenr) { | |
712 | test_msg("Block start does not match, want %llu got %llu\n", | |
713 | disk_bytenr, em->block_start); | |
714 | goto out; | |
715 | } | |
b9ef22de FX |
716 | if (em->start != offset || em->len != 2 * sectorsize) { |
717 | test_msg("Unexpected extent wanted start %llu len %u, " | |
718 | "got start %llu len %llu\n", | |
719 | offset, 2 * sectorsize, em->start, em->len); | |
aaedb55b JB |
720 | goto out; |
721 | } | |
722 | if (em->flags != compressed_only) { | |
723 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
724 | compressed_only, em->flags); | |
725 | goto out; | |
726 | } | |
727 | if (em->orig_start != orig_start) { | |
728 | test_msg("Wrong orig offset, want %llu, have %llu\n", | |
729 | em->start, orig_start); | |
730 | goto out; | |
731 | } | |
732 | if (em->compress_type != BTRFS_COMPRESS_ZLIB) { | |
733 | test_msg("Unexpected compress type, wanted %d, got %d\n", | |
734 | BTRFS_COMPRESS_ZLIB, em->compress_type); | |
735 | goto out; | |
736 | } | |
737 | offset = em->start + em->len; | |
738 | free_extent_map(em); | |
739 | ||
740 | /* A hole between regular extents but no hole extent */ | |
fc4f21b1 NB |
741 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset + 6, |
742 | sectorsize, 0); | |
aaedb55b JB |
743 | if (IS_ERR(em)) { |
744 | test_msg("Got an error when we shouldn't have\n"); | |
745 | goto out; | |
746 | } | |
747 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
748 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
749 | goto out; | |
750 | } | |
b9ef22de FX |
751 | if (em->start != offset || em->len != sectorsize) { |
752 | test_msg("Unexpected extent wanted start %llu len %u, " | |
753 | "got start %llu len %llu\n", | |
754 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
755 | goto out; |
756 | } | |
757 | if (em->flags != 0) { | |
758 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
759 | goto out; | |
760 | } | |
761 | if (em->orig_start != em->start) { | |
762 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
763 | em->orig_start); | |
764 | goto out; | |
765 | } | |
766 | offset = em->start + em->len; | |
767 | free_extent_map(em); | |
768 | ||
d4417e22 | 769 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, SZ_4M, 0); |
aaedb55b JB |
770 | if (IS_ERR(em)) { |
771 | test_msg("Got an error when we shouldn't have\n"); | |
772 | goto out; | |
773 | } | |
774 | if (em->block_start != EXTENT_MAP_HOLE) { | |
775 | test_msg("Expected a hole extent, got %llu\n", em->block_start); | |
776 | goto out; | |
777 | } | |
778 | /* | |
779 | * Currently we just return a length that we requested rather than the | |
780 | * length of the actual hole, if this changes we'll have to change this | |
781 | * test. | |
782 | */ | |
b9ef22de FX |
783 | if (em->start != offset || em->len != 3 * sectorsize) { |
784 | test_msg("Unexpected extent wanted start %llu len %u, " | |
785 | "got start %llu len %llu\n", | |
786 | offset, 3 * sectorsize, em->start, em->len); | |
aaedb55b JB |
787 | goto out; |
788 | } | |
789 | if (em->flags != vacancy_only) { | |
790 | test_msg("Unexpected flags set, want %lu have %lu\n", | |
791 | vacancy_only, em->flags); | |
792 | goto out; | |
793 | } | |
794 | if (em->orig_start != em->start) { | |
795 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
796 | em->orig_start); | |
797 | goto out; | |
798 | } | |
799 | offset = em->start + em->len; | |
800 | free_extent_map(em); | |
801 | ||
fc4f21b1 | 802 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b JB |
803 | if (IS_ERR(em)) { |
804 | test_msg("Got an error when we shouldn't have\n"); | |
805 | goto out; | |
806 | } | |
807 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
808 | test_msg("Expected a real extent, got %llu\n", em->block_start); | |
809 | goto out; | |
810 | } | |
b9ef22de FX |
811 | if (em->start != offset || em->len != sectorsize) { |
812 | test_msg("Unexpected extent wanted start %llu len %u," | |
813 | "got start %llu len %llu\n", | |
814 | offset, sectorsize, em->start, em->len); | |
aaedb55b JB |
815 | goto out; |
816 | } | |
817 | if (em->flags != 0) { | |
818 | test_msg("Unexpected flags set, want 0 have %lu\n", em->flags); | |
819 | goto out; | |
820 | } | |
821 | if (em->orig_start != em->start) { | |
822 | test_msg("Wrong orig offset, want %llu, have %llu\n", em->start, | |
823 | em->orig_start); | |
824 | goto out; | |
825 | } | |
826 | ret = 0; | |
827 | out: | |
828 | if (!IS_ERR(em)) | |
829 | free_extent_map(em); | |
830 | iput(inode); | |
faa2dbf0 | 831 | btrfs_free_dummy_root(root); |
7c0260ee | 832 | btrfs_free_dummy_fs_info(fs_info); |
aaedb55b JB |
833 | return ret; |
834 | } | |
835 | ||
b9ef22de | 836 | static int test_hole_first(u32 sectorsize, u32 nodesize) |
0e30db86 | 837 | { |
7c0260ee | 838 | struct btrfs_fs_info *fs_info = NULL; |
0e30db86 JB |
839 | struct inode *inode = NULL; |
840 | struct btrfs_root *root = NULL; | |
841 | struct extent_map *em = NULL; | |
842 | int ret = -ENOMEM; | |
843 | ||
844 | inode = btrfs_new_test_inode(); | |
845 | if (!inode) { | |
846 | test_msg("Couldn't allocate inode\n"); | |
847 | return ret; | |
848 | } | |
849 | ||
850 | BTRFS_I(inode)->location.type = BTRFS_INODE_ITEM_KEY; | |
851 | BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID; | |
852 | BTRFS_I(inode)->location.offset = 0; | |
853 | ||
da17066c | 854 | fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize); |
7c0260ee JM |
855 | if (!fs_info) { |
856 | test_msg("Couldn't allocate dummy fs info\n"); | |
0e30db86 JB |
857 | goto out; |
858 | } | |
859 | ||
da17066c | 860 | root = btrfs_alloc_dummy_root(fs_info); |
7c0260ee JM |
861 | if (IS_ERR(root)) { |
862 | test_msg("Couldn't allocate root\n"); | |
0e30db86 JB |
863 | goto out; |
864 | } | |
865 | ||
da17066c | 866 | root->node = alloc_dummy_extent_buffer(fs_info, nodesize); |
0e30db86 JB |
867 | if (!root->node) { |
868 | test_msg("Couldn't allocate dummy buffer\n"); | |
869 | goto out; | |
870 | } | |
871 | ||
872 | extent_buffer_get(root->node); | |
873 | btrfs_set_header_nritems(root->node, 0); | |
874 | btrfs_set_header_level(root->node, 0); | |
875 | BTRFS_I(inode)->root = root; | |
876 | ret = -EINVAL; | |
877 | ||
878 | /* | |
879 | * Need a blank inode item here just so we don't confuse | |
880 | * btrfs_get_extent. | |
881 | */ | |
882 | insert_inode_item_key(root); | |
b9ef22de FX |
883 | insert_extent(root, sectorsize, sectorsize, sectorsize, 0, sectorsize, |
884 | sectorsize, BTRFS_FILE_EXTENT_REG, 0, 1); | |
fc4f21b1 | 885 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, 0, 2 * sectorsize, 0); |
0e30db86 JB |
886 | if (IS_ERR(em)) { |
887 | test_msg("Got an error when we shouldn't have\n"); | |
888 | goto out; | |
889 | } | |
890 | if (em->block_start != EXTENT_MAP_HOLE) { | |
891 | test_msg("Expected a hole, got %llu\n", em->block_start); | |
892 | goto out; | |
893 | } | |
b9ef22de FX |
894 | if (em->start != 0 || em->len != sectorsize) { |
895 | test_msg("Unexpected extent wanted start 0 len %u, " | |
896 | "got start %llu len %llu\n", | |
897 | sectorsize, em->start, em->len); | |
0e30db86 JB |
898 | goto out; |
899 | } | |
900 | if (em->flags != vacancy_only) { | |
901 | test_msg("Wrong flags, wanted %lu, have %lu\n", vacancy_only, | |
902 | em->flags); | |
903 | goto out; | |
904 | } | |
905 | free_extent_map(em); | |
906 | ||
fc4f21b1 NB |
907 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, sectorsize, |
908 | 2 * sectorsize, 0); | |
0e30db86 JB |
909 | if (IS_ERR(em)) { |
910 | test_msg("Got an error when we shouldn't have\n"); | |
911 | goto out; | |
912 | } | |
b9ef22de | 913 | if (em->block_start != sectorsize) { |
0e30db86 JB |
914 | test_msg("Expected a real extent, got %llu\n", em->block_start); |
915 | goto out; | |
916 | } | |
b9ef22de FX |
917 | if (em->start != sectorsize || em->len != sectorsize) { |
918 | test_msg("Unexpected extent wanted start %u len %u, " | |
919 | "got start %llu len %llu\n", | |
920 | sectorsize, sectorsize, em->start, em->len); | |
0e30db86 JB |
921 | goto out; |
922 | } | |
923 | if (em->flags != 0) { | |
924 | test_msg("Unexpected flags set, wanted 0 got %lu\n", | |
925 | em->flags); | |
926 | goto out; | |
927 | } | |
928 | ret = 0; | |
929 | out: | |
930 | if (!IS_ERR(em)) | |
931 | free_extent_map(em); | |
932 | iput(inode); | |
faa2dbf0 | 933 | btrfs_free_dummy_root(root); |
7c0260ee | 934 | btrfs_free_dummy_fs_info(fs_info); |
0e30db86 JB |
935 | return ret; |
936 | } | |
937 | ||
b9ef22de | 938 | static int test_extent_accounting(u32 sectorsize, u32 nodesize) |
6a3891c5 | 939 | { |
7c0260ee | 940 | struct btrfs_fs_info *fs_info = NULL; |
6a3891c5 JB |
941 | struct inode *inode = NULL; |
942 | struct btrfs_root *root = NULL; | |
943 | int ret = -ENOMEM; | |
944 | ||
945 | inode = btrfs_new_test_inode(); | |
946 | if (!inode) { | |
947 | test_msg("Couldn't allocate inode\n"); | |
948 | return ret; | |
949 | } | |
950 | ||
da17066c | 951 | fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize); |
7c0260ee JM |
952 | if (!fs_info) { |
953 | test_msg("Couldn't allocate dummy fs info\n"); | |
6a3891c5 JB |
954 | goto out; |
955 | } | |
956 | ||
da17066c | 957 | root = btrfs_alloc_dummy_root(fs_info); |
7c0260ee JM |
958 | if (IS_ERR(root)) { |
959 | test_msg("Couldn't allocate root\n"); | |
6a3891c5 JB |
960 | goto out; |
961 | } | |
962 | ||
963 | BTRFS_I(inode)->root = root; | |
964 | btrfs_test_inode_set_ops(inode); | |
965 | ||
966 | /* [BTRFS_MAX_EXTENT_SIZE] */ | |
e3b8a485 | 967 | ret = btrfs_set_extent_delalloc(inode, 0, BTRFS_MAX_EXTENT_SIZE - 1, 0, |
ba8b04c1 | 968 | NULL, 0); |
6a3891c5 JB |
969 | if (ret) { |
970 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
971 | goto out; | |
972 | } | |
973 | if (BTRFS_I(inode)->outstanding_extents != 1) { | |
974 | ret = -EINVAL; | |
975 | test_msg("Miscount, wanted 1, got %u\n", | |
976 | BTRFS_I(inode)->outstanding_extents); | |
977 | goto out; | |
978 | } | |
979 | ||
b9ef22de | 980 | /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */ |
6a3891c5 | 981 | ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE, |
b9ef22de | 982 | BTRFS_MAX_EXTENT_SIZE + sectorsize - 1, |
e3b8a485 | 983 | 0, NULL, 0); |
6a3891c5 JB |
984 | if (ret) { |
985 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
986 | goto out; | |
987 | } | |
988 | if (BTRFS_I(inode)->outstanding_extents != 2) { | |
989 | ret = -EINVAL; | |
990 | test_msg("Miscount, wanted 2, got %u\n", | |
991 | BTRFS_I(inode)->outstanding_extents); | |
992 | goto out; | |
993 | } | |
994 | ||
b9ef22de | 995 | /* [BTRFS_MAX_EXTENT_SIZE/2][sectorsize HOLE][the rest] */ |
6a3891c5 JB |
996 | ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, |
997 | BTRFS_MAX_EXTENT_SIZE >> 1, | |
b9ef22de | 998 | (BTRFS_MAX_EXTENT_SIZE >> 1) + sectorsize - 1, |
6a3891c5 | 999 | EXTENT_DELALLOC | EXTENT_DIRTY | |
ae0f1625 | 1000 | EXTENT_UPTODATE, 0, 0, NULL); |
6a3891c5 JB |
1001 | if (ret) { |
1002 | test_msg("clear_extent_bit returned %d\n", ret); | |
1003 | goto out; | |
1004 | } | |
1005 | if (BTRFS_I(inode)->outstanding_extents != 2) { | |
1006 | ret = -EINVAL; | |
1007 | test_msg("Miscount, wanted 2, got %u\n", | |
1008 | BTRFS_I(inode)->outstanding_extents); | |
1009 | goto out; | |
1010 | } | |
1011 | ||
b9ef22de | 1012 | /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */ |
6a3891c5 | 1013 | ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE >> 1, |
b9ef22de FX |
1014 | (BTRFS_MAX_EXTENT_SIZE >> 1) |
1015 | + sectorsize - 1, | |
e3b8a485 | 1016 | 0, NULL, 0); |
6a3891c5 JB |
1017 | if (ret) { |
1018 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
1019 | goto out; | |
1020 | } | |
1021 | if (BTRFS_I(inode)->outstanding_extents != 2) { | |
1022 | ret = -EINVAL; | |
1023 | test_msg("Miscount, wanted 2, got %u\n", | |
1024 | BTRFS_I(inode)->outstanding_extents); | |
1025 | goto out; | |
1026 | } | |
1027 | ||
1028 | /* | |
b9ef22de | 1029 | * [BTRFS_MAX_EXTENT_SIZE+sectorsize][sectorsize HOLE][BTRFS_MAX_EXTENT_SIZE+sectorsize] |
6a3891c5 | 1030 | */ |
b9ef22de FX |
1031 | ret = btrfs_set_extent_delalloc(inode, |
1032 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize, | |
1033 | (BTRFS_MAX_EXTENT_SIZE << 1) + 3 * sectorsize - 1, | |
e3b8a485 | 1034 | 0, NULL, 0); |
6a3891c5 JB |
1035 | if (ret) { |
1036 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
1037 | goto out; | |
1038 | } | |
1039 | if (BTRFS_I(inode)->outstanding_extents != 4) { | |
1040 | ret = -EINVAL; | |
1041 | test_msg("Miscount, wanted 4, got %u\n", | |
1042 | BTRFS_I(inode)->outstanding_extents); | |
1043 | goto out; | |
1044 | } | |
1045 | ||
b9ef22de FX |
1046 | /* |
1047 | * [BTRFS_MAX_EXTENT_SIZE+sectorsize][sectorsize][BTRFS_MAX_EXTENT_SIZE+sectorsize] | |
1048 | */ | |
b9ef22de FX |
1049 | ret = btrfs_set_extent_delalloc(inode, |
1050 | BTRFS_MAX_EXTENT_SIZE + sectorsize, | |
e3b8a485 | 1051 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, 0, NULL, 0); |
6a3891c5 JB |
1052 | if (ret) { |
1053 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
1054 | goto out; | |
1055 | } | |
1056 | if (BTRFS_I(inode)->outstanding_extents != 3) { | |
1057 | ret = -EINVAL; | |
1058 | test_msg("Miscount, wanted 3, got %u\n", | |
1059 | BTRFS_I(inode)->outstanding_extents); | |
1060 | goto out; | |
1061 | } | |
1062 | ||
1063 | /* [BTRFS_MAX_EXTENT_SIZE+4k][4K HOLE][BTRFS_MAX_EXTENT_SIZE+4k] */ | |
1064 | ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, | |
b9ef22de FX |
1065 | BTRFS_MAX_EXTENT_SIZE + sectorsize, |
1066 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, | |
6a3891c5 | 1067 | EXTENT_DIRTY | EXTENT_DELALLOC | |
ae0f1625 | 1068 | EXTENT_UPTODATE, 0, 0, NULL); |
6a3891c5 JB |
1069 | if (ret) { |
1070 | test_msg("clear_extent_bit returned %d\n", ret); | |
1071 | goto out; | |
1072 | } | |
1073 | if (BTRFS_I(inode)->outstanding_extents != 4) { | |
1074 | ret = -EINVAL; | |
1075 | test_msg("Miscount, wanted 4, got %u\n", | |
1076 | BTRFS_I(inode)->outstanding_extents); | |
1077 | goto out; | |
1078 | } | |
1079 | ||
1080 | /* | |
1081 | * Refill the hole again just for good measure, because I thought it | |
1082 | * might fail and I'd rather satisfy my paranoia at this point. | |
1083 | */ | |
b9ef22de FX |
1084 | ret = btrfs_set_extent_delalloc(inode, |
1085 | BTRFS_MAX_EXTENT_SIZE + sectorsize, | |
e3b8a485 | 1086 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, 0, NULL, 0); |
6a3891c5 JB |
1087 | if (ret) { |
1088 | test_msg("btrfs_set_extent_delalloc returned %d\n", ret); | |
1089 | goto out; | |
1090 | } | |
1091 | if (BTRFS_I(inode)->outstanding_extents != 3) { | |
1092 | ret = -EINVAL; | |
1093 | test_msg("Miscount, wanted 3, got %u\n", | |
1094 | BTRFS_I(inode)->outstanding_extents); | |
1095 | goto out; | |
1096 | } | |
1097 | ||
1098 | /* Empty */ | |
1099 | ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, 0, (u64)-1, | |
1100 | EXTENT_DIRTY | EXTENT_DELALLOC | | |
ae0f1625 | 1101 | EXTENT_UPTODATE, 0, 0, NULL); |
6a3891c5 JB |
1102 | if (ret) { |
1103 | test_msg("clear_extent_bit returned %d\n", ret); | |
1104 | goto out; | |
1105 | } | |
1106 | if (BTRFS_I(inode)->outstanding_extents) { | |
1107 | ret = -EINVAL; | |
1108 | test_msg("Miscount, wanted 0, got %u\n", | |
1109 | BTRFS_I(inode)->outstanding_extents); | |
1110 | goto out; | |
1111 | } | |
1112 | ret = 0; | |
1113 | out: | |
1114 | if (ret) | |
1115 | clear_extent_bit(&BTRFS_I(inode)->io_tree, 0, (u64)-1, | |
1116 | EXTENT_DIRTY | EXTENT_DELALLOC | | |
ae0f1625 | 1117 | EXTENT_UPTODATE, 0, 0, NULL); |
6a3891c5 JB |
1118 | iput(inode); |
1119 | btrfs_free_dummy_root(root); | |
7c0260ee | 1120 | btrfs_free_dummy_fs_info(fs_info); |
6a3891c5 JB |
1121 | return ret; |
1122 | } | |
1123 | ||
b9ef22de | 1124 | int btrfs_test_inodes(u32 sectorsize, u32 nodesize) |
aaedb55b | 1125 | { |
0e30db86 JB |
1126 | int ret; |
1127 | ||
1128 | set_bit(EXTENT_FLAG_COMPRESSED, &compressed_only); | |
0e30db86 JB |
1129 | set_bit(EXTENT_FLAG_PREALLOC, &prealloc_only); |
1130 | ||
aaedb55b | 1131 | test_msg("Running btrfs_get_extent tests\n"); |
b9ef22de | 1132 | ret = test_btrfs_get_extent(sectorsize, nodesize); |
0e30db86 JB |
1133 | if (ret) |
1134 | return ret; | |
1135 | test_msg("Running hole first btrfs_get_extent test\n"); | |
b9ef22de | 1136 | ret = test_hole_first(sectorsize, nodesize); |
6a3891c5 JB |
1137 | if (ret) |
1138 | return ret; | |
1139 | test_msg("Running outstanding_extents tests\n"); | |
b9ef22de | 1140 | return test_extent_accounting(sectorsize, nodesize); |
aaedb55b | 1141 | } |