Commit | Line | Data |
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c1d7c514 | 1 | // SPDX-License-Identifier: GPL-2.0 |
aaedb55b JB |
2 | /* |
3 | * Copyright (C) 2013 Fusion IO. All rights reserved. | |
aaedb55b JB |
4 | */ |
5 | ||
b9ef22de | 6 | #include <linux/types.h> |
aaedb55b JB |
7 | #include "btrfs-tests.h" |
8 | #include "../ctree.h" | |
9 | #include "../btrfs_inode.h" | |
10 | #include "../disk-io.h" | |
11 | #include "../extent_io.h" | |
12 | #include "../volumes.h" | |
ebb8765b | 13 | #include "../compression.h" |
aaedb55b | 14 | |
aaedb55b JB |
15 | static void insert_extent(struct btrfs_root *root, u64 start, u64 len, |
16 | u64 ram_bytes, u64 offset, u64 disk_bytenr, | |
17 | u64 disk_len, u32 type, u8 compression, int slot) | |
18 | { | |
19 | struct btrfs_path path; | |
20 | struct btrfs_file_extent_item *fi; | |
21 | struct extent_buffer *leaf = root->node; | |
22 | struct btrfs_key key; | |
23 | u32 value_len = sizeof(struct btrfs_file_extent_item); | |
24 | ||
25 | if (type == BTRFS_FILE_EXTENT_INLINE) | |
26 | value_len += len; | |
27 | memset(&path, 0, sizeof(path)); | |
28 | ||
29 | path.nodes[0] = leaf; | |
30 | path.slots[0] = slot; | |
31 | ||
32 | key.objectid = BTRFS_FIRST_FREE_OBJECTID; | |
33 | key.type = BTRFS_EXTENT_DATA_KEY; | |
34 | key.offset = start; | |
35 | ||
36 | setup_items_for_insert(root, &path, &key, &value_len, value_len, | |
37 | value_len + sizeof(struct btrfs_item), 1); | |
38 | fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item); | |
39 | btrfs_set_file_extent_generation(leaf, fi, 1); | |
40 | btrfs_set_file_extent_type(leaf, fi, type); | |
41 | btrfs_set_file_extent_disk_bytenr(leaf, fi, disk_bytenr); | |
42 | btrfs_set_file_extent_disk_num_bytes(leaf, fi, disk_len); | |
43 | btrfs_set_file_extent_offset(leaf, fi, offset); | |
44 | btrfs_set_file_extent_num_bytes(leaf, fi, len); | |
45 | btrfs_set_file_extent_ram_bytes(leaf, fi, ram_bytes); | |
46 | btrfs_set_file_extent_compression(leaf, fi, compression); | |
47 | btrfs_set_file_extent_encryption(leaf, fi, 0); | |
48 | btrfs_set_file_extent_other_encoding(leaf, fi, 0); | |
49 | } | |
50 | ||
0e30db86 JB |
51 | static void insert_inode_item_key(struct btrfs_root *root) |
52 | { | |
53 | struct btrfs_path path; | |
54 | struct extent_buffer *leaf = root->node; | |
55 | struct btrfs_key key; | |
56 | u32 value_len = 0; | |
57 | ||
58 | memset(&path, 0, sizeof(path)); | |
59 | ||
60 | path.nodes[0] = leaf; | |
61 | path.slots[0] = 0; | |
62 | ||
63 | key.objectid = BTRFS_INODE_ITEM_KEY; | |
64 | key.type = BTRFS_INODE_ITEM_KEY; | |
65 | key.offset = 0; | |
66 | ||
67 | setup_items_for_insert(root, &path, &key, &value_len, value_len, | |
68 | value_len + sizeof(struct btrfs_item), 1); | |
69 | } | |
70 | ||
aaedb55b JB |
71 | /* |
72 | * Build the most complicated map of extents the earth has ever seen. We want | |
73 | * this so we can test all of the corner cases of btrfs_get_extent. Here is a | |
74 | * diagram of how the extents will look though this may not be possible we still | |
75 | * want to make sure everything acts normally (the last number is not inclusive) | |
76 | * | |
b9ef22de FX |
77 | * [0 - 5][5 - 6][ 6 - 4096 ][ 4096 - 4100][4100 - 8195][8195 - 12291] |
78 | * [hole ][inline][hole but no extent][ hole ][ regular ][regular1 split] | |
aaedb55b | 79 | * |
b9ef22de FX |
80 | * [12291 - 16387][16387 - 24579][24579 - 28675][ 28675 - 32771][32771 - 36867 ] |
81 | * [ hole ][regular1 split][ prealloc ][ prealloc1 ][prealloc1 written] | |
aaedb55b | 82 | * |
b9ef22de FX |
83 | * [36867 - 45059][45059 - 53251][53251 - 57347][57347 - 61443][61443- 69635] |
84 | * [ prealloc1 ][ compressed ][ compressed1 ][ regular ][ compressed1] | |
aaedb55b | 85 | * |
b9ef22de FX |
86 | * [69635-73731][ 73731 - 86019 ][86019-90115] |
87 | * [ regular ][ hole but no extent][ regular ] | |
aaedb55b | 88 | */ |
b9ef22de | 89 | static void setup_file_extents(struct btrfs_root *root, u32 sectorsize) |
aaedb55b JB |
90 | { |
91 | int slot = 0; | |
ee22184b | 92 | u64 disk_bytenr = SZ_1M; |
aaedb55b JB |
93 | u64 offset = 0; |
94 | ||
95 | /* First we want a hole */ | |
96 | insert_extent(root, offset, 5, 5, 0, 0, 0, BTRFS_FILE_EXTENT_REG, 0, | |
97 | slot); | |
98 | slot++; | |
99 | offset += 5; | |
100 | ||
101 | /* | |
102 | * Now we want an inline extent, I don't think this is possible but hey | |
103 | * why not? Also keep in mind if we have an inline extent it counts as | |
104 | * the whole first page. If we were to expand it we would have to cow | |
105 | * and we wouldn't have an inline extent anymore. | |
106 | */ | |
107 | insert_extent(root, offset, 1, 1, 0, 0, 0, BTRFS_FILE_EXTENT_INLINE, 0, | |
108 | slot); | |
109 | slot++; | |
b9ef22de | 110 | offset = sectorsize; |
aaedb55b JB |
111 | |
112 | /* Now another hole */ | |
113 | insert_extent(root, offset, 4, 4, 0, 0, 0, BTRFS_FILE_EXTENT_REG, 0, | |
114 | slot); | |
115 | slot++; | |
116 | offset += 4; | |
117 | ||
118 | /* Now for a regular extent */ | |
b9ef22de FX |
119 | insert_extent(root, offset, sectorsize - 1, sectorsize - 1, 0, |
120 | disk_bytenr, sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot); | |
aaedb55b | 121 | slot++; |
b9ef22de FX |
122 | disk_bytenr += sectorsize; |
123 | offset += sectorsize - 1; | |
aaedb55b JB |
124 | |
125 | /* | |
126 | * Now for 3 extents that were split from a hole punch so we test | |
127 | * offsets properly. | |
128 | */ | |
b9ef22de FX |
129 | insert_extent(root, offset, sectorsize, 4 * sectorsize, 0, disk_bytenr, |
130 | 4 * sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot); | |
aaedb55b | 131 | slot++; |
b9ef22de FX |
132 | offset += sectorsize; |
133 | insert_extent(root, offset, sectorsize, sectorsize, 0, 0, 0, | |
134 | BTRFS_FILE_EXTENT_REG, 0, slot); | |
aaedb55b | 135 | slot++; |
b9ef22de FX |
136 | offset += sectorsize; |
137 | insert_extent(root, offset, 2 * sectorsize, 4 * sectorsize, | |
138 | 2 * sectorsize, disk_bytenr, 4 * sectorsize, | |
aaedb55b JB |
139 | BTRFS_FILE_EXTENT_REG, 0, slot); |
140 | slot++; | |
b9ef22de FX |
141 | offset += 2 * sectorsize; |
142 | disk_bytenr += 4 * sectorsize; | |
aaedb55b JB |
143 | |
144 | /* Now for a unwritten prealloc extent */ | |
b9ef22de FX |
145 | insert_extent(root, offset, sectorsize, sectorsize, 0, disk_bytenr, |
146 | sectorsize, BTRFS_FILE_EXTENT_PREALLOC, 0, slot); | |
aaedb55b | 147 | slot++; |
b9ef22de | 148 | offset += sectorsize; |
aaedb55b JB |
149 | |
150 | /* | |
151 | * We want to jack up disk_bytenr a little more so the em stuff doesn't | |
152 | * merge our records. | |
153 | */ | |
b9ef22de | 154 | disk_bytenr += 2 * sectorsize; |
aaedb55b JB |
155 | |
156 | /* | |
157 | * Now for a partially written prealloc extent, basically the same as | |
158 | * the hole punch example above. Ram_bytes never changes when you mark | |
159 | * extents written btw. | |
160 | */ | |
b9ef22de FX |
161 | insert_extent(root, offset, sectorsize, 4 * sectorsize, 0, disk_bytenr, |
162 | 4 * sectorsize, BTRFS_FILE_EXTENT_PREALLOC, 0, slot); | |
aaedb55b | 163 | slot++; |
b9ef22de FX |
164 | offset += sectorsize; |
165 | insert_extent(root, offset, sectorsize, 4 * sectorsize, sectorsize, | |
166 | disk_bytenr, 4 * sectorsize, BTRFS_FILE_EXTENT_REG, 0, | |
167 | slot); | |
aaedb55b | 168 | slot++; |
b9ef22de FX |
169 | offset += sectorsize; |
170 | insert_extent(root, offset, 2 * sectorsize, 4 * sectorsize, | |
171 | 2 * sectorsize, disk_bytenr, 4 * sectorsize, | |
aaedb55b JB |
172 | BTRFS_FILE_EXTENT_PREALLOC, 0, slot); |
173 | slot++; | |
b9ef22de FX |
174 | offset += 2 * sectorsize; |
175 | disk_bytenr += 4 * sectorsize; | |
aaedb55b JB |
176 | |
177 | /* Now a normal compressed extent */ | |
b9ef22de FX |
178 | insert_extent(root, offset, 2 * sectorsize, 2 * sectorsize, 0, |
179 | disk_bytenr, sectorsize, BTRFS_FILE_EXTENT_REG, | |
180 | BTRFS_COMPRESS_ZLIB, slot); | |
aaedb55b | 181 | slot++; |
b9ef22de | 182 | offset += 2 * sectorsize; |
aaedb55b | 183 | /* No merges */ |
b9ef22de | 184 | disk_bytenr += 2 * sectorsize; |
aaedb55b JB |
185 | |
186 | /* Now a split compressed extent */ | |
b9ef22de FX |
187 | insert_extent(root, offset, sectorsize, 4 * sectorsize, 0, disk_bytenr, |
188 | sectorsize, BTRFS_FILE_EXTENT_REG, | |
189 | BTRFS_COMPRESS_ZLIB, slot); | |
aaedb55b | 190 | slot++; |
b9ef22de FX |
191 | offset += sectorsize; |
192 | insert_extent(root, offset, sectorsize, sectorsize, 0, | |
193 | disk_bytenr + sectorsize, sectorsize, | |
aaedb55b JB |
194 | BTRFS_FILE_EXTENT_REG, 0, slot); |
195 | slot++; | |
b9ef22de FX |
196 | offset += sectorsize; |
197 | insert_extent(root, offset, 2 * sectorsize, 4 * sectorsize, | |
198 | 2 * sectorsize, disk_bytenr, sectorsize, | |
aaedb55b JB |
199 | BTRFS_FILE_EXTENT_REG, BTRFS_COMPRESS_ZLIB, slot); |
200 | slot++; | |
b9ef22de FX |
201 | offset += 2 * sectorsize; |
202 | disk_bytenr += 2 * sectorsize; | |
aaedb55b JB |
203 | |
204 | /* Now extents that have a hole but no hole extent */ | |
b9ef22de FX |
205 | insert_extent(root, offset, sectorsize, sectorsize, 0, disk_bytenr, |
206 | sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot); | |
aaedb55b | 207 | slot++; |
b9ef22de FX |
208 | offset += 4 * sectorsize; |
209 | disk_bytenr += sectorsize; | |
210 | insert_extent(root, offset, sectorsize, sectorsize, 0, disk_bytenr, | |
211 | sectorsize, BTRFS_FILE_EXTENT_REG, 0, slot); | |
aaedb55b JB |
212 | } |
213 | ||
214 | static unsigned long prealloc_only = 0; | |
215 | static unsigned long compressed_only = 0; | |
216 | static unsigned long vacancy_only = 0; | |
217 | ||
b9ef22de | 218 | static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize) |
aaedb55b | 219 | { |
7c0260ee | 220 | struct btrfs_fs_info *fs_info = NULL; |
aaedb55b JB |
221 | struct inode *inode = NULL; |
222 | struct btrfs_root *root = NULL; | |
223 | struct extent_map *em = NULL; | |
224 | u64 orig_start; | |
225 | u64 disk_bytenr; | |
226 | u64 offset; | |
227 | int ret = -ENOMEM; | |
228 | ||
e4fa7469 DS |
229 | test_msg("running btrfs_get_extent tests"); |
230 | ||
aaedb55b JB |
231 | inode = btrfs_new_test_inode(); |
232 | if (!inode) { | |
6a060db8 | 233 | test_std_err(TEST_ALLOC_INODE); |
aaedb55b JB |
234 | return ret; |
235 | } | |
236 | ||
6bf9e4bd | 237 | inode->i_mode = S_IFREG; |
aaedb55b JB |
238 | BTRFS_I(inode)->location.type = BTRFS_INODE_ITEM_KEY; |
239 | BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID; | |
240 | BTRFS_I(inode)->location.offset = 0; | |
241 | ||
da17066c | 242 | fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize); |
7c0260ee | 243 | if (!fs_info) { |
37b2a7bc | 244 | test_std_err(TEST_ALLOC_FS_INFO); |
aaedb55b JB |
245 | goto out; |
246 | } | |
247 | ||
da17066c | 248 | root = btrfs_alloc_dummy_root(fs_info); |
7c0260ee | 249 | if (IS_ERR(root)) { |
52ab7bca | 250 | test_std_err(TEST_ALLOC_ROOT); |
aaedb55b JB |
251 | goto out; |
252 | } | |
253 | ||
da17066c | 254 | root->node = alloc_dummy_extent_buffer(fs_info, nodesize); |
aaedb55b | 255 | if (!root->node) { |
9e3d9f84 | 256 | test_std_err(TEST_ALLOC_ROOT); |
aaedb55b JB |
257 | goto out; |
258 | } | |
259 | ||
aaedb55b JB |
260 | btrfs_set_header_nritems(root->node, 0); |
261 | btrfs_set_header_level(root->node, 0); | |
262 | ret = -EINVAL; | |
263 | ||
264 | /* First with no extents */ | |
265 | BTRFS_I(inode)->root = root; | |
fc4f21b1 | 266 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, 0, sectorsize, 0); |
aaedb55b JB |
267 | if (IS_ERR(em)) { |
268 | em = NULL; | |
3c7251f2 | 269 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
270 | goto out; |
271 | } | |
272 | if (em->block_start != EXTENT_MAP_HOLE) { | |
3c7251f2 | 273 | test_err("expected a hole, got %llu", em->block_start); |
aaedb55b JB |
274 | goto out; |
275 | } | |
aaedb55b | 276 | free_extent_map(em); |
dcdbc059 | 277 | btrfs_drop_extent_cache(BTRFS_I(inode), 0, (u64)-1, 0); |
aaedb55b JB |
278 | |
279 | /* | |
280 | * All of the magic numbers are based on the mapping setup in | |
281 | * setup_file_extents, so if you change anything there you need to | |
282 | * update the comment and update the expected values below. | |
283 | */ | |
b9ef22de | 284 | setup_file_extents(root, sectorsize); |
aaedb55b | 285 | |
fc4f21b1 | 286 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, 0, (u64)-1, 0); |
aaedb55b | 287 | if (IS_ERR(em)) { |
3c7251f2 | 288 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
289 | goto out; |
290 | } | |
291 | if (em->block_start != EXTENT_MAP_HOLE) { | |
3c7251f2 | 292 | test_err("expected a hole, got %llu", em->block_start); |
aaedb55b JB |
293 | goto out; |
294 | } | |
295 | if (em->start != 0 || em->len != 5) { | |
3c7251f2 DS |
296 | test_err( |
297 | "unexpected extent wanted start 0 len 5, got start %llu len %llu", | |
298 | em->start, em->len); | |
aaedb55b JB |
299 | goto out; |
300 | } | |
301 | if (em->flags != 0) { | |
3c7251f2 | 302 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
303 | goto out; |
304 | } | |
305 | offset = em->start + em->len; | |
306 | free_extent_map(em); | |
307 | ||
fc4f21b1 | 308 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 309 | if (IS_ERR(em)) { |
3c7251f2 | 310 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
311 | goto out; |
312 | } | |
313 | if (em->block_start != EXTENT_MAP_INLINE) { | |
3c7251f2 | 314 | test_err("expected an inline, got %llu", em->block_start); |
aaedb55b JB |
315 | goto out; |
316 | } | |
b9ef22de FX |
317 | |
318 | if (em->start != offset || em->len != (sectorsize - 5)) { | |
3c7251f2 DS |
319 | test_err( |
320 | "unexpected extent wanted start %llu len 1, got start %llu len %llu", | |
321 | offset, em->start, em->len); | |
aaedb55b JB |
322 | goto out; |
323 | } | |
324 | if (em->flags != 0) { | |
3c7251f2 | 325 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
326 | goto out; |
327 | } | |
328 | /* | |
329 | * We don't test anything else for inline since it doesn't get set | |
330 | * unless we have a page for it to write into. Maybe we should change | |
331 | * this? | |
332 | */ | |
333 | offset = em->start + em->len; | |
334 | free_extent_map(em); | |
335 | ||
fc4f21b1 | 336 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 337 | if (IS_ERR(em)) { |
3c7251f2 | 338 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
339 | goto out; |
340 | } | |
341 | if (em->block_start != EXTENT_MAP_HOLE) { | |
3c7251f2 | 342 | test_err("expected a hole, got %llu", em->block_start); |
aaedb55b JB |
343 | goto out; |
344 | } | |
345 | if (em->start != offset || em->len != 4) { | |
3c7251f2 DS |
346 | test_err( |
347 | "unexpected extent wanted start %llu len 4, got start %llu len %llu", | |
348 | offset, em->start, em->len); | |
aaedb55b JB |
349 | goto out; |
350 | } | |
351 | if (em->flags != 0) { | |
3c7251f2 | 352 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
353 | goto out; |
354 | } | |
355 | offset = em->start + em->len; | |
356 | free_extent_map(em); | |
357 | ||
358 | /* Regular extent */ | |
fc4f21b1 | 359 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 360 | if (IS_ERR(em)) { |
3c7251f2 | 361 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
362 | goto out; |
363 | } | |
364 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 365 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
366 | goto out; |
367 | } | |
b9ef22de | 368 | if (em->start != offset || em->len != sectorsize - 1) { |
3c7251f2 DS |
369 | test_err( |
370 | "unexpected extent wanted start %llu len 4095, got start %llu len %llu", | |
371 | offset, em->start, em->len); | |
aaedb55b JB |
372 | goto out; |
373 | } | |
374 | if (em->flags != 0) { | |
3c7251f2 | 375 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
376 | goto out; |
377 | } | |
378 | if (em->orig_start != em->start) { | |
3c7251f2 | 379 | test_err("wrong orig offset, want %llu, have %llu", em->start, |
aaedb55b JB |
380 | em->orig_start); |
381 | goto out; | |
382 | } | |
383 | offset = em->start + em->len; | |
384 | free_extent_map(em); | |
385 | ||
386 | /* The next 3 are split extents */ | |
fc4f21b1 | 387 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 388 | if (IS_ERR(em)) { |
3c7251f2 | 389 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
390 | goto out; |
391 | } | |
392 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 393 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
394 | goto out; |
395 | } | |
b9ef22de | 396 | if (em->start != offset || em->len != sectorsize) { |
3c7251f2 DS |
397 | test_err( |
398 | "unexpected extent start %llu len %u, got start %llu len %llu", | |
b9ef22de | 399 | offset, sectorsize, em->start, em->len); |
aaedb55b JB |
400 | goto out; |
401 | } | |
402 | if (em->flags != 0) { | |
3c7251f2 | 403 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
404 | goto out; |
405 | } | |
406 | if (em->orig_start != em->start) { | |
3c7251f2 | 407 | test_err("wrong orig offset, want %llu, have %llu", em->start, |
aaedb55b JB |
408 | em->orig_start); |
409 | goto out; | |
410 | } | |
411 | disk_bytenr = em->block_start; | |
412 | orig_start = em->start; | |
413 | offset = em->start + em->len; | |
414 | free_extent_map(em); | |
415 | ||
fc4f21b1 | 416 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 417 | if (IS_ERR(em)) { |
3c7251f2 | 418 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
419 | goto out; |
420 | } | |
421 | if (em->block_start != EXTENT_MAP_HOLE) { | |
3c7251f2 | 422 | test_err("expected a hole, got %llu", em->block_start); |
aaedb55b JB |
423 | goto out; |
424 | } | |
b9ef22de | 425 | if (em->start != offset || em->len != sectorsize) { |
3c7251f2 DS |
426 | test_err( |
427 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 428 | offset, sectorsize, em->start, em->len); |
aaedb55b JB |
429 | goto out; |
430 | } | |
431 | if (em->flags != 0) { | |
3c7251f2 | 432 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
433 | goto out; |
434 | } | |
435 | offset = em->start + em->len; | |
436 | free_extent_map(em); | |
437 | ||
fc4f21b1 | 438 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 439 | if (IS_ERR(em)) { |
3c7251f2 | 440 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
441 | goto out; |
442 | } | |
443 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 444 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
445 | goto out; |
446 | } | |
b9ef22de | 447 | if (em->start != offset || em->len != 2 * sectorsize) { |
3c7251f2 DS |
448 | test_err( |
449 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 450 | offset, 2 * sectorsize, em->start, em->len); |
aaedb55b JB |
451 | goto out; |
452 | } | |
453 | if (em->flags != 0) { | |
3c7251f2 | 454 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
455 | goto out; |
456 | } | |
457 | if (em->orig_start != orig_start) { | |
3c7251f2 | 458 | test_err("wrong orig offset, want %llu, have %llu", |
aaedb55b JB |
459 | orig_start, em->orig_start); |
460 | goto out; | |
461 | } | |
462 | disk_bytenr += (em->start - orig_start); | |
463 | if (em->block_start != disk_bytenr) { | |
3c7251f2 | 464 | test_err("wrong block start, want %llu, have %llu", |
aaedb55b JB |
465 | disk_bytenr, em->block_start); |
466 | goto out; | |
467 | } | |
468 | offset = em->start + em->len; | |
469 | free_extent_map(em); | |
470 | ||
471 | /* Prealloc extent */ | |
fc4f21b1 | 472 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 473 | if (IS_ERR(em)) { |
3c7251f2 | 474 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
475 | goto out; |
476 | } | |
477 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 478 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
479 | goto out; |
480 | } | |
b9ef22de | 481 | if (em->start != offset || em->len != sectorsize) { |
3c7251f2 DS |
482 | test_err( |
483 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 484 | offset, sectorsize, em->start, em->len); |
aaedb55b JB |
485 | goto out; |
486 | } | |
487 | if (em->flags != prealloc_only) { | |
3c7251f2 | 488 | test_err("unexpected flags set, want %lu have %lu", |
aaedb55b JB |
489 | prealloc_only, em->flags); |
490 | goto out; | |
491 | } | |
492 | if (em->orig_start != em->start) { | |
3c7251f2 | 493 | test_err("wrong orig offset, want %llu, have %llu", em->start, |
aaedb55b JB |
494 | em->orig_start); |
495 | goto out; | |
496 | } | |
497 | offset = em->start + em->len; | |
498 | free_extent_map(em); | |
499 | ||
500 | /* The next 3 are a half written prealloc extent */ | |
fc4f21b1 | 501 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 502 | if (IS_ERR(em)) { |
3c7251f2 | 503 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
504 | goto out; |
505 | } | |
506 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 507 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
508 | goto out; |
509 | } | |
b9ef22de | 510 | if (em->start != offset || em->len != sectorsize) { |
3c7251f2 DS |
511 | test_err( |
512 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 513 | offset, sectorsize, em->start, em->len); |
aaedb55b JB |
514 | goto out; |
515 | } | |
516 | if (em->flags != prealloc_only) { | |
3c7251f2 | 517 | test_err("unexpected flags set, want %lu have %lu", |
aaedb55b JB |
518 | prealloc_only, em->flags); |
519 | goto out; | |
520 | } | |
521 | if (em->orig_start != em->start) { | |
3c7251f2 | 522 | test_err("wrong orig offset, want %llu, have %llu", em->start, |
aaedb55b JB |
523 | em->orig_start); |
524 | goto out; | |
525 | } | |
526 | disk_bytenr = em->block_start; | |
527 | orig_start = em->start; | |
528 | offset = em->start + em->len; | |
529 | free_extent_map(em); | |
530 | ||
fc4f21b1 | 531 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 532 | if (IS_ERR(em)) { |
3c7251f2 | 533 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
534 | goto out; |
535 | } | |
536 | if (em->block_start >= EXTENT_MAP_HOLE) { | |
3c7251f2 | 537 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
538 | goto out; |
539 | } | |
b9ef22de | 540 | if (em->start != offset || em->len != sectorsize) { |
3c7251f2 DS |
541 | test_err( |
542 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 543 | offset, sectorsize, em->start, em->len); |
aaedb55b JB |
544 | goto out; |
545 | } | |
546 | if (em->flags != 0) { | |
3c7251f2 | 547 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
548 | goto out; |
549 | } | |
550 | if (em->orig_start != orig_start) { | |
3c7251f2 | 551 | test_err("unexpected orig offset, wanted %llu, have %llu", |
aaedb55b JB |
552 | orig_start, em->orig_start); |
553 | goto out; | |
554 | } | |
555 | if (em->block_start != (disk_bytenr + (em->start - em->orig_start))) { | |
3c7251f2 | 556 | test_err("unexpected block start, wanted %llu, have %llu", |
aaedb55b JB |
557 | disk_bytenr + (em->start - em->orig_start), |
558 | em->block_start); | |
559 | goto out; | |
560 | } | |
561 | offset = em->start + em->len; | |
562 | free_extent_map(em); | |
563 | ||
fc4f21b1 | 564 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 565 | if (IS_ERR(em)) { |
3c7251f2 | 566 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
567 | goto out; |
568 | } | |
569 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 570 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
571 | goto out; |
572 | } | |
b9ef22de | 573 | if (em->start != offset || em->len != 2 * sectorsize) { |
3c7251f2 DS |
574 | test_err( |
575 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 576 | offset, 2 * sectorsize, em->start, em->len); |
aaedb55b JB |
577 | goto out; |
578 | } | |
579 | if (em->flags != prealloc_only) { | |
3c7251f2 | 580 | test_err("unexpected flags set, want %lu have %lu", |
aaedb55b JB |
581 | prealloc_only, em->flags); |
582 | goto out; | |
583 | } | |
584 | if (em->orig_start != orig_start) { | |
3c7251f2 | 585 | test_err("wrong orig offset, want %llu, have %llu", orig_start, |
aaedb55b JB |
586 | em->orig_start); |
587 | goto out; | |
588 | } | |
589 | if (em->block_start != (disk_bytenr + (em->start - em->orig_start))) { | |
3c7251f2 | 590 | test_err("unexpected block start, wanted %llu, have %llu", |
aaedb55b JB |
591 | disk_bytenr + (em->start - em->orig_start), |
592 | em->block_start); | |
593 | goto out; | |
594 | } | |
595 | offset = em->start + em->len; | |
596 | free_extent_map(em); | |
597 | ||
598 | /* Now for the compressed extent */ | |
fc4f21b1 | 599 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 600 | if (IS_ERR(em)) { |
3c7251f2 | 601 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
602 | goto out; |
603 | } | |
604 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 605 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
606 | goto out; |
607 | } | |
b9ef22de | 608 | if (em->start != offset || em->len != 2 * sectorsize) { |
3c7251f2 DS |
609 | test_err( |
610 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 611 | offset, 2 * sectorsize, em->start, em->len); |
aaedb55b JB |
612 | goto out; |
613 | } | |
614 | if (em->flags != compressed_only) { | |
3c7251f2 | 615 | test_err("unexpected flags set, want %lu have %lu", |
aaedb55b JB |
616 | compressed_only, em->flags); |
617 | goto out; | |
618 | } | |
619 | if (em->orig_start != em->start) { | |
3c7251f2 | 620 | test_err("wrong orig offset, want %llu, have %llu", |
aaedb55b JB |
621 | em->start, em->orig_start); |
622 | goto out; | |
623 | } | |
624 | if (em->compress_type != BTRFS_COMPRESS_ZLIB) { | |
3c7251f2 | 625 | test_err("unexpected compress type, wanted %d, got %d", |
aaedb55b JB |
626 | BTRFS_COMPRESS_ZLIB, em->compress_type); |
627 | goto out; | |
628 | } | |
629 | offset = em->start + em->len; | |
630 | free_extent_map(em); | |
631 | ||
632 | /* Split compressed extent */ | |
fc4f21b1 | 633 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 634 | if (IS_ERR(em)) { |
3c7251f2 | 635 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
636 | goto out; |
637 | } | |
638 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 639 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
640 | goto out; |
641 | } | |
b9ef22de | 642 | if (em->start != offset || em->len != sectorsize) { |
3c7251f2 DS |
643 | test_err( |
644 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 645 | offset, sectorsize, em->start, em->len); |
aaedb55b JB |
646 | goto out; |
647 | } | |
648 | if (em->flags != compressed_only) { | |
3c7251f2 | 649 | test_err("unexpected flags set, want %lu have %lu", |
aaedb55b JB |
650 | compressed_only, em->flags); |
651 | goto out; | |
652 | } | |
653 | if (em->orig_start != em->start) { | |
3c7251f2 | 654 | test_err("wrong orig offset, want %llu, have %llu", |
aaedb55b JB |
655 | em->start, em->orig_start); |
656 | goto out; | |
657 | } | |
658 | if (em->compress_type != BTRFS_COMPRESS_ZLIB) { | |
3c7251f2 | 659 | test_err("unexpected compress type, wanted %d, got %d", |
aaedb55b JB |
660 | BTRFS_COMPRESS_ZLIB, em->compress_type); |
661 | goto out; | |
662 | } | |
663 | disk_bytenr = em->block_start; | |
664 | orig_start = em->start; | |
665 | offset = em->start + em->len; | |
666 | free_extent_map(em); | |
667 | ||
fc4f21b1 | 668 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 669 | if (IS_ERR(em)) { |
3c7251f2 | 670 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
671 | goto out; |
672 | } | |
673 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 674 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
675 | goto out; |
676 | } | |
b9ef22de | 677 | if (em->start != offset || em->len != sectorsize) { |
3c7251f2 DS |
678 | test_err( |
679 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 680 | offset, sectorsize, em->start, em->len); |
aaedb55b JB |
681 | goto out; |
682 | } | |
683 | if (em->flags != 0) { | |
3c7251f2 | 684 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
685 | goto out; |
686 | } | |
687 | if (em->orig_start != em->start) { | |
3c7251f2 | 688 | test_err("wrong orig offset, want %llu, have %llu", em->start, |
aaedb55b JB |
689 | em->orig_start); |
690 | goto out; | |
691 | } | |
692 | offset = em->start + em->len; | |
693 | free_extent_map(em); | |
694 | ||
fc4f21b1 | 695 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 696 | if (IS_ERR(em)) { |
3c7251f2 | 697 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
698 | goto out; |
699 | } | |
700 | if (em->block_start != disk_bytenr) { | |
3c7251f2 | 701 | test_err("block start does not match, want %llu got %llu", |
aaedb55b JB |
702 | disk_bytenr, em->block_start); |
703 | goto out; | |
704 | } | |
b9ef22de | 705 | if (em->start != offset || em->len != 2 * sectorsize) { |
3c7251f2 DS |
706 | test_err( |
707 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 708 | offset, 2 * sectorsize, em->start, em->len); |
aaedb55b JB |
709 | goto out; |
710 | } | |
711 | if (em->flags != compressed_only) { | |
3c7251f2 | 712 | test_err("unexpected flags set, want %lu have %lu", |
aaedb55b JB |
713 | compressed_only, em->flags); |
714 | goto out; | |
715 | } | |
716 | if (em->orig_start != orig_start) { | |
3c7251f2 | 717 | test_err("wrong orig offset, want %llu, have %llu", |
aaedb55b JB |
718 | em->start, orig_start); |
719 | goto out; | |
720 | } | |
721 | if (em->compress_type != BTRFS_COMPRESS_ZLIB) { | |
3c7251f2 | 722 | test_err("unexpected compress type, wanted %d, got %d", |
aaedb55b JB |
723 | BTRFS_COMPRESS_ZLIB, em->compress_type); |
724 | goto out; | |
725 | } | |
726 | offset = em->start + em->len; | |
727 | free_extent_map(em); | |
728 | ||
729 | /* A hole between regular extents but no hole extent */ | |
fc4f21b1 NB |
730 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset + 6, |
731 | sectorsize, 0); | |
aaedb55b | 732 | if (IS_ERR(em)) { |
3c7251f2 | 733 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
734 | goto out; |
735 | } | |
736 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 737 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
738 | goto out; |
739 | } | |
b9ef22de | 740 | if (em->start != offset || em->len != sectorsize) { |
3c7251f2 DS |
741 | test_err( |
742 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 743 | offset, sectorsize, em->start, em->len); |
aaedb55b JB |
744 | goto out; |
745 | } | |
746 | if (em->flags != 0) { | |
3c7251f2 | 747 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
748 | goto out; |
749 | } | |
750 | if (em->orig_start != em->start) { | |
3c7251f2 | 751 | test_err("wrong orig offset, want %llu, have %llu", em->start, |
aaedb55b JB |
752 | em->orig_start); |
753 | goto out; | |
754 | } | |
755 | offset = em->start + em->len; | |
756 | free_extent_map(em); | |
757 | ||
d4417e22 | 758 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, SZ_4M, 0); |
aaedb55b | 759 | if (IS_ERR(em)) { |
3c7251f2 | 760 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
761 | goto out; |
762 | } | |
763 | if (em->block_start != EXTENT_MAP_HOLE) { | |
3c7251f2 | 764 | test_err("expected a hole extent, got %llu", em->block_start); |
aaedb55b JB |
765 | goto out; |
766 | } | |
767 | /* | |
768 | * Currently we just return a length that we requested rather than the | |
769 | * length of the actual hole, if this changes we'll have to change this | |
770 | * test. | |
771 | */ | |
b9ef22de | 772 | if (em->start != offset || em->len != 3 * sectorsize) { |
3c7251f2 DS |
773 | test_err( |
774 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 775 | offset, 3 * sectorsize, em->start, em->len); |
aaedb55b JB |
776 | goto out; |
777 | } | |
778 | if (em->flags != vacancy_only) { | |
3c7251f2 | 779 | test_err("unexpected flags set, want %lu have %lu", |
aaedb55b JB |
780 | vacancy_only, em->flags); |
781 | goto out; | |
782 | } | |
783 | if (em->orig_start != em->start) { | |
3c7251f2 | 784 | test_err("wrong orig offset, want %llu, have %llu", em->start, |
aaedb55b JB |
785 | em->orig_start); |
786 | goto out; | |
787 | } | |
788 | offset = em->start + em->len; | |
789 | free_extent_map(em); | |
790 | ||
fc4f21b1 | 791 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, offset, sectorsize, 0); |
aaedb55b | 792 | if (IS_ERR(em)) { |
3c7251f2 | 793 | test_err("got an error when we shouldn't have"); |
aaedb55b JB |
794 | goto out; |
795 | } | |
796 | if (em->block_start >= EXTENT_MAP_LAST_BYTE) { | |
3c7251f2 | 797 | test_err("expected a real extent, got %llu", em->block_start); |
aaedb55b JB |
798 | goto out; |
799 | } | |
b9ef22de | 800 | if (em->start != offset || em->len != sectorsize) { |
3c7251f2 DS |
801 | test_err( |
802 | "unexpected extent wanted start %llu len %u, got start %llu len %llu", | |
b9ef22de | 803 | offset, sectorsize, em->start, em->len); |
aaedb55b JB |
804 | goto out; |
805 | } | |
806 | if (em->flags != 0) { | |
3c7251f2 | 807 | test_err("unexpected flags set, want 0 have %lu", em->flags); |
aaedb55b JB |
808 | goto out; |
809 | } | |
810 | if (em->orig_start != em->start) { | |
3c7251f2 | 811 | test_err("wrong orig offset, want %llu, have %llu", em->start, |
aaedb55b JB |
812 | em->orig_start); |
813 | goto out; | |
814 | } | |
815 | ret = 0; | |
816 | out: | |
817 | if (!IS_ERR(em)) | |
818 | free_extent_map(em); | |
819 | iput(inode); | |
faa2dbf0 | 820 | btrfs_free_dummy_root(root); |
7c0260ee | 821 | btrfs_free_dummy_fs_info(fs_info); |
aaedb55b JB |
822 | return ret; |
823 | } | |
824 | ||
b9ef22de | 825 | static int test_hole_first(u32 sectorsize, u32 nodesize) |
0e30db86 | 826 | { |
7c0260ee | 827 | struct btrfs_fs_info *fs_info = NULL; |
0e30db86 JB |
828 | struct inode *inode = NULL; |
829 | struct btrfs_root *root = NULL; | |
830 | struct extent_map *em = NULL; | |
831 | int ret = -ENOMEM; | |
832 | ||
e4fa7469 DS |
833 | test_msg("running hole first btrfs_get_extent test"); |
834 | ||
0e30db86 JB |
835 | inode = btrfs_new_test_inode(); |
836 | if (!inode) { | |
6a060db8 | 837 | test_std_err(TEST_ALLOC_INODE); |
0e30db86 JB |
838 | return ret; |
839 | } | |
840 | ||
841 | BTRFS_I(inode)->location.type = BTRFS_INODE_ITEM_KEY; | |
842 | BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID; | |
843 | BTRFS_I(inode)->location.offset = 0; | |
844 | ||
da17066c | 845 | fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize); |
7c0260ee | 846 | if (!fs_info) { |
37b2a7bc | 847 | test_std_err(TEST_ALLOC_FS_INFO); |
0e30db86 JB |
848 | goto out; |
849 | } | |
850 | ||
da17066c | 851 | root = btrfs_alloc_dummy_root(fs_info); |
7c0260ee | 852 | if (IS_ERR(root)) { |
52ab7bca | 853 | test_std_err(TEST_ALLOC_ROOT); |
0e30db86 JB |
854 | goto out; |
855 | } | |
856 | ||
da17066c | 857 | root->node = alloc_dummy_extent_buffer(fs_info, nodesize); |
0e30db86 | 858 | if (!root->node) { |
9e3d9f84 | 859 | test_std_err(TEST_ALLOC_ROOT); |
0e30db86 JB |
860 | goto out; |
861 | } | |
862 | ||
0e30db86 JB |
863 | btrfs_set_header_nritems(root->node, 0); |
864 | btrfs_set_header_level(root->node, 0); | |
865 | BTRFS_I(inode)->root = root; | |
866 | ret = -EINVAL; | |
867 | ||
868 | /* | |
869 | * Need a blank inode item here just so we don't confuse | |
870 | * btrfs_get_extent. | |
871 | */ | |
872 | insert_inode_item_key(root); | |
b9ef22de FX |
873 | insert_extent(root, sectorsize, sectorsize, sectorsize, 0, sectorsize, |
874 | sectorsize, BTRFS_FILE_EXTENT_REG, 0, 1); | |
fc4f21b1 | 875 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, 0, 2 * sectorsize, 0); |
0e30db86 | 876 | if (IS_ERR(em)) { |
3c7251f2 | 877 | test_err("got an error when we shouldn't have"); |
0e30db86 JB |
878 | goto out; |
879 | } | |
880 | if (em->block_start != EXTENT_MAP_HOLE) { | |
3c7251f2 | 881 | test_err("expected a hole, got %llu", em->block_start); |
0e30db86 JB |
882 | goto out; |
883 | } | |
b9ef22de | 884 | if (em->start != 0 || em->len != sectorsize) { |
3c7251f2 DS |
885 | test_err( |
886 | "unexpected extent wanted start 0 len %u, got start %llu len %llu", | |
b9ef22de | 887 | sectorsize, em->start, em->len); |
0e30db86 JB |
888 | goto out; |
889 | } | |
890 | if (em->flags != vacancy_only) { | |
3c7251f2 | 891 | test_err("wrong flags, wanted %lu, have %lu", vacancy_only, |
0e30db86 JB |
892 | em->flags); |
893 | goto out; | |
894 | } | |
895 | free_extent_map(em); | |
896 | ||
fc4f21b1 NB |
897 | em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, sectorsize, |
898 | 2 * sectorsize, 0); | |
0e30db86 | 899 | if (IS_ERR(em)) { |
3c7251f2 | 900 | test_err("got an error when we shouldn't have"); |
0e30db86 JB |
901 | goto out; |
902 | } | |
b9ef22de | 903 | if (em->block_start != sectorsize) { |
3c7251f2 | 904 | test_err("expected a real extent, got %llu", em->block_start); |
0e30db86 JB |
905 | goto out; |
906 | } | |
b9ef22de | 907 | if (em->start != sectorsize || em->len != sectorsize) { |
3c7251f2 DS |
908 | test_err( |
909 | "unexpected extent wanted start %u len %u, got start %llu len %llu", | |
b9ef22de | 910 | sectorsize, sectorsize, em->start, em->len); |
0e30db86 JB |
911 | goto out; |
912 | } | |
913 | if (em->flags != 0) { | |
3c7251f2 | 914 | test_err("unexpected flags set, wanted 0 got %lu", |
0e30db86 JB |
915 | em->flags); |
916 | goto out; | |
917 | } | |
918 | ret = 0; | |
919 | out: | |
920 | if (!IS_ERR(em)) | |
921 | free_extent_map(em); | |
922 | iput(inode); | |
faa2dbf0 | 923 | btrfs_free_dummy_root(root); |
7c0260ee | 924 | btrfs_free_dummy_fs_info(fs_info); |
0e30db86 JB |
925 | return ret; |
926 | } | |
927 | ||
b9ef22de | 928 | static int test_extent_accounting(u32 sectorsize, u32 nodesize) |
6a3891c5 | 929 | { |
7c0260ee | 930 | struct btrfs_fs_info *fs_info = NULL; |
6a3891c5 JB |
931 | struct inode *inode = NULL; |
932 | struct btrfs_root *root = NULL; | |
933 | int ret = -ENOMEM; | |
934 | ||
e4fa7469 DS |
935 | test_msg("running outstanding_extents tests"); |
936 | ||
6a3891c5 JB |
937 | inode = btrfs_new_test_inode(); |
938 | if (!inode) { | |
6a060db8 | 939 | test_std_err(TEST_ALLOC_INODE); |
6a3891c5 JB |
940 | return ret; |
941 | } | |
942 | ||
da17066c | 943 | fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize); |
7c0260ee | 944 | if (!fs_info) { |
37b2a7bc | 945 | test_std_err(TEST_ALLOC_FS_INFO); |
6a3891c5 JB |
946 | goto out; |
947 | } | |
948 | ||
da17066c | 949 | root = btrfs_alloc_dummy_root(fs_info); |
7c0260ee | 950 | if (IS_ERR(root)) { |
52ab7bca | 951 | test_std_err(TEST_ALLOC_ROOT); |
6a3891c5 JB |
952 | goto out; |
953 | } | |
954 | ||
955 | BTRFS_I(inode)->root = root; | |
956 | btrfs_test_inode_set_ops(inode); | |
957 | ||
958 | /* [BTRFS_MAX_EXTENT_SIZE] */ | |
e3b8a485 | 959 | ret = btrfs_set_extent_delalloc(inode, 0, BTRFS_MAX_EXTENT_SIZE - 1, 0, |
ba8b04c1 | 960 | NULL, 0); |
6a3891c5 | 961 | if (ret) { |
3c7251f2 | 962 | test_err("btrfs_set_extent_delalloc returned %d", ret); |
6a3891c5 JB |
963 | goto out; |
964 | } | |
965 | if (BTRFS_I(inode)->outstanding_extents != 1) { | |
966 | ret = -EINVAL; | |
3c7251f2 | 967 | test_err("miscount, wanted 1, got %u", |
6a3891c5 JB |
968 | BTRFS_I(inode)->outstanding_extents); |
969 | goto out; | |
970 | } | |
971 | ||
b9ef22de | 972 | /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */ |
6a3891c5 | 973 | ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE, |
b9ef22de | 974 | BTRFS_MAX_EXTENT_SIZE + sectorsize - 1, |
e3b8a485 | 975 | 0, NULL, 0); |
6a3891c5 | 976 | if (ret) { |
3c7251f2 | 977 | test_err("btrfs_set_extent_delalloc returned %d", ret); |
6a3891c5 JB |
978 | goto out; |
979 | } | |
980 | if (BTRFS_I(inode)->outstanding_extents != 2) { | |
981 | ret = -EINVAL; | |
3c7251f2 | 982 | test_err("miscount, wanted 2, got %u", |
6a3891c5 JB |
983 | BTRFS_I(inode)->outstanding_extents); |
984 | goto out; | |
985 | } | |
986 | ||
b9ef22de | 987 | /* [BTRFS_MAX_EXTENT_SIZE/2][sectorsize HOLE][the rest] */ |
6a3891c5 JB |
988 | ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, |
989 | BTRFS_MAX_EXTENT_SIZE >> 1, | |
b9ef22de | 990 | (BTRFS_MAX_EXTENT_SIZE >> 1) + sectorsize - 1, |
6a3891c5 | 991 | EXTENT_DELALLOC | EXTENT_DIRTY | |
ae0f1625 | 992 | EXTENT_UPTODATE, 0, 0, NULL); |
6a3891c5 | 993 | if (ret) { |
3c7251f2 | 994 | test_err("clear_extent_bit returned %d", ret); |
6a3891c5 JB |
995 | goto out; |
996 | } | |
997 | if (BTRFS_I(inode)->outstanding_extents != 2) { | |
998 | ret = -EINVAL; | |
3c7251f2 | 999 | test_err("miscount, wanted 2, got %u", |
6a3891c5 JB |
1000 | BTRFS_I(inode)->outstanding_extents); |
1001 | goto out; | |
1002 | } | |
1003 | ||
b9ef22de | 1004 | /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */ |
6a3891c5 | 1005 | ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE >> 1, |
b9ef22de FX |
1006 | (BTRFS_MAX_EXTENT_SIZE >> 1) |
1007 | + sectorsize - 1, | |
e3b8a485 | 1008 | 0, NULL, 0); |
6a3891c5 | 1009 | if (ret) { |
3c7251f2 | 1010 | test_err("btrfs_set_extent_delalloc returned %d", ret); |
6a3891c5 JB |
1011 | goto out; |
1012 | } | |
1013 | if (BTRFS_I(inode)->outstanding_extents != 2) { | |
1014 | ret = -EINVAL; | |
3c7251f2 | 1015 | test_err("miscount, wanted 2, got %u", |
6a3891c5 JB |
1016 | BTRFS_I(inode)->outstanding_extents); |
1017 | goto out; | |
1018 | } | |
1019 | ||
1020 | /* | |
b9ef22de | 1021 | * [BTRFS_MAX_EXTENT_SIZE+sectorsize][sectorsize HOLE][BTRFS_MAX_EXTENT_SIZE+sectorsize] |
6a3891c5 | 1022 | */ |
b9ef22de FX |
1023 | ret = btrfs_set_extent_delalloc(inode, |
1024 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize, | |
1025 | (BTRFS_MAX_EXTENT_SIZE << 1) + 3 * sectorsize - 1, | |
e3b8a485 | 1026 | 0, NULL, 0); |
6a3891c5 | 1027 | if (ret) { |
3c7251f2 | 1028 | test_err("btrfs_set_extent_delalloc returned %d", ret); |
6a3891c5 JB |
1029 | goto out; |
1030 | } | |
1031 | if (BTRFS_I(inode)->outstanding_extents != 4) { | |
1032 | ret = -EINVAL; | |
3c7251f2 | 1033 | test_err("miscount, wanted 4, got %u", |
6a3891c5 JB |
1034 | BTRFS_I(inode)->outstanding_extents); |
1035 | goto out; | |
1036 | } | |
1037 | ||
b9ef22de FX |
1038 | /* |
1039 | * [BTRFS_MAX_EXTENT_SIZE+sectorsize][sectorsize][BTRFS_MAX_EXTENT_SIZE+sectorsize] | |
1040 | */ | |
b9ef22de FX |
1041 | ret = btrfs_set_extent_delalloc(inode, |
1042 | BTRFS_MAX_EXTENT_SIZE + sectorsize, | |
e3b8a485 | 1043 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, 0, NULL, 0); |
6a3891c5 | 1044 | if (ret) { |
3c7251f2 | 1045 | test_err("btrfs_set_extent_delalloc returned %d", ret); |
6a3891c5 JB |
1046 | goto out; |
1047 | } | |
1048 | if (BTRFS_I(inode)->outstanding_extents != 3) { | |
1049 | ret = -EINVAL; | |
3c7251f2 | 1050 | test_err("miscount, wanted 3, got %u", |
6a3891c5 JB |
1051 | BTRFS_I(inode)->outstanding_extents); |
1052 | goto out; | |
1053 | } | |
1054 | ||
1055 | /* [BTRFS_MAX_EXTENT_SIZE+4k][4K HOLE][BTRFS_MAX_EXTENT_SIZE+4k] */ | |
1056 | ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, | |
b9ef22de FX |
1057 | BTRFS_MAX_EXTENT_SIZE + sectorsize, |
1058 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, | |
6a3891c5 | 1059 | EXTENT_DIRTY | EXTENT_DELALLOC | |
ae0f1625 | 1060 | EXTENT_UPTODATE, 0, 0, NULL); |
6a3891c5 | 1061 | if (ret) { |
3c7251f2 | 1062 | test_err("clear_extent_bit returned %d", ret); |
6a3891c5 JB |
1063 | goto out; |
1064 | } | |
1065 | if (BTRFS_I(inode)->outstanding_extents != 4) { | |
1066 | ret = -EINVAL; | |
3c7251f2 | 1067 | test_err("miscount, wanted 4, got %u", |
6a3891c5 JB |
1068 | BTRFS_I(inode)->outstanding_extents); |
1069 | goto out; | |
1070 | } | |
1071 | ||
1072 | /* | |
1073 | * Refill the hole again just for good measure, because I thought it | |
1074 | * might fail and I'd rather satisfy my paranoia at this point. | |
1075 | */ | |
b9ef22de FX |
1076 | ret = btrfs_set_extent_delalloc(inode, |
1077 | BTRFS_MAX_EXTENT_SIZE + sectorsize, | |
e3b8a485 | 1078 | BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, 0, NULL, 0); |
6a3891c5 | 1079 | if (ret) { |
3c7251f2 | 1080 | test_err("btrfs_set_extent_delalloc returned %d", ret); |
6a3891c5 JB |
1081 | goto out; |
1082 | } | |
1083 | if (BTRFS_I(inode)->outstanding_extents != 3) { | |
1084 | ret = -EINVAL; | |
3c7251f2 | 1085 | test_err("miscount, wanted 3, got %u", |
6a3891c5 JB |
1086 | BTRFS_I(inode)->outstanding_extents); |
1087 | goto out; | |
1088 | } | |
1089 | ||
1090 | /* Empty */ | |
1091 | ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, 0, (u64)-1, | |
1092 | EXTENT_DIRTY | EXTENT_DELALLOC | | |
ae0f1625 | 1093 | EXTENT_UPTODATE, 0, 0, NULL); |
6a3891c5 | 1094 | if (ret) { |
3c7251f2 | 1095 | test_err("clear_extent_bit returned %d", ret); |
6a3891c5 JB |
1096 | goto out; |
1097 | } | |
1098 | if (BTRFS_I(inode)->outstanding_extents) { | |
1099 | ret = -EINVAL; | |
3c7251f2 | 1100 | test_err("miscount, wanted 0, got %u", |
6a3891c5 JB |
1101 | BTRFS_I(inode)->outstanding_extents); |
1102 | goto out; | |
1103 | } | |
1104 | ret = 0; | |
1105 | out: | |
1106 | if (ret) | |
1107 | clear_extent_bit(&BTRFS_I(inode)->io_tree, 0, (u64)-1, | |
1108 | EXTENT_DIRTY | EXTENT_DELALLOC | | |
ae0f1625 | 1109 | EXTENT_UPTODATE, 0, 0, NULL); |
6a3891c5 JB |
1110 | iput(inode); |
1111 | btrfs_free_dummy_root(root); | |
7c0260ee | 1112 | btrfs_free_dummy_fs_info(fs_info); |
6a3891c5 JB |
1113 | return ret; |
1114 | } | |
1115 | ||
b9ef22de | 1116 | int btrfs_test_inodes(u32 sectorsize, u32 nodesize) |
aaedb55b | 1117 | { |
0e30db86 JB |
1118 | int ret; |
1119 | ||
e4fa7469 DS |
1120 | test_msg("running inode tests"); |
1121 | ||
0e30db86 | 1122 | set_bit(EXTENT_FLAG_COMPRESSED, &compressed_only); |
0e30db86 JB |
1123 | set_bit(EXTENT_FLAG_PREALLOC, &prealloc_only); |
1124 | ||
b9ef22de | 1125 | ret = test_btrfs_get_extent(sectorsize, nodesize); |
0e30db86 JB |
1126 | if (ret) |
1127 | return ret; | |
b9ef22de | 1128 | ret = test_hole_first(sectorsize, nodesize); |
6a3891c5 JB |
1129 | if (ret) |
1130 | return ret; | |
b9ef22de | 1131 | return test_extent_accounting(sectorsize, nodesize); |
aaedb55b | 1132 | } |