Commit | Line | Data |
---|---|---|
53cdc686 JA |
1 | #include <unistd.h> |
2 | #include <fcntl.h> | |
3 | #include <string.h> | |
4 | #include <assert.h> | |
bbf6b540 | 5 | #include <dirent.h> |
d74ac843 | 6 | #include <libgen.h> |
53cdc686 JA |
7 | #include <sys/stat.h> |
8 | #include <sys/mman.h> | |
bbf6b540 | 9 | #include <sys/types.h> |
53cdc686 JA |
10 | |
11 | #include "fio.h" | |
f17c4392 | 12 | #include "smalloc.h" |
4906e0b5 | 13 | #include "filehash.h" |
bcbfeefa | 14 | #include "options.h" |
ecc314ba | 15 | #include "os/os.h" |
2316296a | 16 | #include "hash.h" |
7ebd796f | 17 | #include "lib/axmap.h" |
53cdc686 | 18 | |
97ac992c | 19 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
20 | #include <linux/falloc.h> |
21 | #endif | |
22 | ||
7172cfe8 JA |
23 | static int root_warn; |
24 | ||
bcbfeefa CE |
25 | static FLIST_HEAD(filename_list); |
26 | ||
c592b9fe JA |
27 | static inline void clear_error(struct thread_data *td) |
28 | { | |
29 | td->error = 0; | |
30 | td->verror[0] = '\0'; | |
31 | } | |
32 | ||
3baddf24 JA |
33 | /* |
34 | * Leaves f->fd open on success, caller must close | |
35 | */ | |
7bb48f84 | 36 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 37 | { |
ea443657 | 38 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
39 | unsigned long long left; |
40 | unsigned int bs; | |
f3e1eb23 | 41 | char *b = NULL; |
b2a15192 | 42 | |
4241ea8f JA |
43 | if (read_only) { |
44 | log_err("fio: refusing extend of file due to read-only\n"); | |
45 | return 0; | |
46 | } | |
47 | ||
507a702f JA |
48 | /* |
49 | * check if we need to lay the file out complete again. fio | |
50 | * does that for operations involving reads, or for writes | |
51 | * where overwrite is set | |
52 | */ | |
1417daeb JA |
53 | if (td_read(td) || |
54 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 55 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 56 | new_layout = 1; |
1417daeb | 57 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 58 | unlink_file = 1; |
507a702f | 59 | |
6ae1f57f | 60 | if (unlink_file || new_layout) { |
2442c935 JA |
61 | int ret; |
62 | ||
bd199f2b | 63 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
64 | |
65 | ret = td_io_unlink_file(td, f); | |
66 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
67 | td_verror(td, errno, "unlink"); |
68 | return 1; | |
69 | } | |
70 | } | |
71 | ||
2378826d JA |
72 | flags = O_WRONLY; |
73 | if (td->o.allow_create) | |
74 | flags |= O_CREAT; | |
507a702f JA |
75 | if (new_layout) |
76 | flags |= O_TRUNC; | |
77 | ||
9c0f3f32 BC |
78 | #ifdef WIN32 |
79 | flags |= _O_BINARY; | |
80 | #endif | |
81 | ||
ee56ad50 | 82 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 83 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 84 | if (f->fd < 0) { |
2378826d JA |
85 | int err = errno; |
86 | ||
87 | if (err == ENOENT && !td->o.allow_create) | |
88 | log_err("fio: file creation disallowed by " | |
89 | "allow_file_create=0\n"); | |
90 | else | |
91 | td_verror(td, err, "open"); | |
53cdc686 JA |
92 | return 1; |
93 | } | |
94 | ||
97ac992c | 95 | #ifdef CONFIG_POSIX_FALLOCATE |
a596f047 EG |
96 | if (!td->o.fill_device) { |
97 | switch (td->o.fallocate_mode) { | |
98 | case FIO_FALLOCATE_NONE: | |
99 | break; | |
100 | case FIO_FALLOCATE_POSIX: | |
101 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
4b91ee8f JA |
102 | f->file_name, |
103 | (unsigned long long) f->real_file_size); | |
a596f047 EG |
104 | |
105 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
106 | if (r > 0) { | |
107 | log_err("fio: posix_fallocate fails: %s\n", | |
108 | strerror(r)); | |
109 | } | |
110 | break; | |
97ac992c | 111 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
112 | case FIO_FALLOCATE_KEEP_SIZE: |
113 | dprint(FD_FILE, | |
114 | "fallocate(FALLOC_FL_KEEP_SIZE) " | |
4b91ee8f JA |
115 | "file %s size %llu\n", f->file_name, |
116 | (unsigned long long) f->real_file_size); | |
7bc8c2cf | 117 | |
a596f047 EG |
118 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, |
119 | f->real_file_size); | |
888677a4 | 120 | if (r != 0) |
a596f047 | 121 | td_verror(td, errno, "fallocate"); |
888677a4 | 122 | |
a596f047 | 123 | break; |
97ac992c | 124 | #endif /* CONFIG_LINUX_FALLOCATE */ |
a596f047 EG |
125 | default: |
126 | log_err("fio: unknown fallocate mode: %d\n", | |
127 | td->o.fallocate_mode); | |
128 | assert(0); | |
7bc8c2cf JA |
129 | } |
130 | } | |
97ac992c | 131 | #endif /* CONFIG_POSIX_FALLOCATE */ |
9b836561 | 132 | |
79591fa9 TK |
133 | /* |
134 | * If our jobs don't require regular files initially, we're done. | |
135 | */ | |
fc74ac1d SL |
136 | if (!new_layout) |
137 | goto done; | |
138 | ||
5e0074c2 JA |
139 | /* |
140 | * The size will be -1ULL when fill_device is used, so don't truncate | |
141 | * or fallocate this file, just write it | |
142 | */ | |
143 | if (!td->o.fill_device) { | |
144 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 145 | (unsigned long long) f->real_file_size); |
5e0074c2 | 146 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
147 | if (errno != EFBIG) { |
148 | td_verror(td, errno, "ftruncate"); | |
149 | goto err; | |
150 | } | |
5e0074c2 | 151 | } |
5e0074c2 | 152 | } |
40f8298c | 153 | |
2dc1bbeb | 154 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
53cdc686 | 155 | |
7bb48f84 | 156 | left = f->real_file_size; |
53cdc686 | 157 | while (left && !td->terminate) { |
2dc1bbeb | 158 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
159 | if (bs > left) |
160 | bs = left; | |
161 | ||
cc86c395 JA |
162 | fill_io_buffer(td, b, bs, bs); |
163 | ||
53cdc686 JA |
164 | r = write(f->fd, b, bs); |
165 | ||
5e0074c2 JA |
166 | if (r > 0) { |
167 | left -= r; | |
53cdc686 JA |
168 | continue; |
169 | } else { | |
5e0074c2 JA |
170 | if (r < 0) { |
171 | int __e = errno; | |
172 | ||
173 | if (__e == ENOSPC) { | |
174 | if (td->o.fill_device) | |
175 | break; | |
176 | log_info("fio: ENOSPC on laying out " | |
177 | "file, stopping\n"); | |
178 | break; | |
179 | } | |
e1161c32 | 180 | td_verror(td, errno, "write"); |
5e0074c2 | 181 | } else |
e1161c32 | 182 | td_verror(td, EIO, "write"); |
53cdc686 JA |
183 | |
184 | break; | |
185 | } | |
186 | } | |
187 | ||
ffdfabd4 JA |
188 | if (td->terminate) { |
189 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 190 | td_io_unlink_file(td, f); |
ffdfabd4 | 191 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
192 | if (fsync(f->fd) < 0) { |
193 | td_verror(td, errno, "fsync"); | |
194 | goto err; | |
195 | } | |
196 | } | |
0d1cd207 | 197 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 198 | fio_file_clear_size_known(f); |
5e0074c2 JA |
199 | if (td_io_get_file_size(td, f)) |
200 | goto err; | |
201 | if (f->io_size > f->real_file_size) | |
202 | f->io_size = f->real_file_size; | |
203 | } | |
53cdc686 JA |
204 | |
205 | free(b); | |
507a702f | 206 | done: |
53cdc686 JA |
207 | return 0; |
208 | err: | |
209 | close(f->fd); | |
210 | f->fd = -1; | |
f3e1eb23 JA |
211 | if (b) |
212 | free(b); | |
53cdc686 JA |
213 | return 1; |
214 | } | |
215 | ||
afad68f7 ZY |
216 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
217 | { | |
ef799a64 | 218 | int ret = 0, r, did_open = 0, old_runstate; |
afad68f7 ZY |
219 | unsigned long long left; |
220 | unsigned int bs; | |
221 | char *b; | |
222 | ||
9b87f09b | 223 | if (td_ioengine_flagged(td, FIO_PIPEIO)) |
9c0d2241 JA |
224 | return 0; |
225 | ||
d6aed795 | 226 | if (!fio_file_open(f)) { |
b0f65863 JA |
227 | if (td->io_ops->open_file(td, f)) { |
228 | log_err("fio: cannot pre-read, failed to open file\n"); | |
229 | return 1; | |
230 | } | |
231 | did_open = 1; | |
232 | } | |
233 | ||
8edd973d | 234 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 235 | |
afad68f7 ZY |
236 | bs = td->o.max_bs[DDIR_READ]; |
237 | b = malloc(bs); | |
238 | memset(b, 0, bs); | |
239 | ||
ef799a64 JA |
240 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
241 | td_verror(td, errno, "lseek"); | |
242 | log_err("fio: failed to lseek pre-read file\n"); | |
243 | ret = 1; | |
244 | goto error; | |
245 | } | |
246 | ||
afad68f7 ZY |
247 | left = f->io_size; |
248 | ||
249 | while (left && !td->terminate) { | |
250 | if (bs > left) | |
251 | bs = left; | |
252 | ||
253 | r = read(f->fd, b, bs); | |
254 | ||
255 | if (r == (int) bs) { | |
256 | left -= bs; | |
257 | continue; | |
258 | } else { | |
259 | td_verror(td, EIO, "pre_read"); | |
260 | break; | |
261 | } | |
262 | } | |
263 | ||
ef799a64 | 264 | error: |
8edd973d | 265 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
266 | |
267 | if (did_open) | |
268 | td->io_ops->close_file(td, f); | |
ef799a64 | 269 | |
afad68f7 | 270 | free(b); |
ef799a64 | 271 | return ret; |
afad68f7 ZY |
272 | } |
273 | ||
a3f001f5 | 274 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 275 | { |
dc873b6f | 276 | unsigned long long ret, sized; |
c3546b53 | 277 | uint64_t frand_max; |
1294c3ec | 278 | unsigned long r; |
9c60ce64 | 279 | |
c3546b53 | 280 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 281 | r = __rand(&td->file_size_state); |
54a21917 | 282 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 283 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 284 | ret += td->o.file_size_low; |
2dc1bbeb | 285 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
286 | return ret; |
287 | } | |
288 | ||
53cdc686 JA |
289 | static int file_size(struct thread_data *td, struct fio_file *f) |
290 | { | |
291 | struct stat st; | |
292 | ||
df9c26b1 | 293 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
294 | td_verror(td, errno, "fstat"); |
295 | return 1; | |
296 | } | |
53cdc686 | 297 | |
7bb48f84 | 298 | f->real_file_size = st.st_size; |
53cdc686 JA |
299 | return 0; |
300 | } | |
301 | ||
302 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
303 | { | |
9b836561 | 304 | unsigned long long bytes = 0; |
53cdc686 JA |
305 | int r; |
306 | ||
df9c26b1 JA |
307 | if (td->io_ops->open_file(td, f)) { |
308 | log_err("fio: failed opening blockdev %s for size check\n", | |
309 | f->file_name); | |
310 | return 1; | |
311 | } | |
312 | ||
ecc314ba | 313 | r = blockdev_size(f, &bytes); |
53cdc686 | 314 | if (r) { |
e1161c32 | 315 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 316 | goto err; |
53cdc686 JA |
317 | } |
318 | ||
7ab077ab JA |
319 | if (!bytes) { |
320 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 321 | goto err; |
7ab077ab JA |
322 | } |
323 | ||
53cdc686 | 324 | f->real_file_size = bytes; |
22a57ba8 | 325 | td->io_ops->close_file(td, f); |
53cdc686 | 326 | return 0; |
df9c26b1 JA |
327 | err: |
328 | td->io_ops->close_file(td, f); | |
329 | return 1; | |
53cdc686 JA |
330 | } |
331 | ||
4ccdccd1 JA |
332 | static int char_size(struct thread_data *td, struct fio_file *f) |
333 | { | |
334 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 335 | unsigned long long bytes = 0; |
4ccdccd1 JA |
336 | int r; |
337 | ||
338 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 339 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
340 | f->file_name); |
341 | return 1; | |
342 | } | |
343 | ||
ecc314ba | 344 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
345 | if (r) { |
346 | td_verror(td, r, "chardev_size"); | |
347 | goto err; | |
348 | } | |
349 | ||
350 | if (!bytes) { | |
351 | log_err("%s: zero sized char device?\n", f->file_name); | |
352 | goto err; | |
353 | } | |
354 | ||
355 | f->real_file_size = bytes; | |
356 | td->io_ops->close_file(td, f); | |
357 | return 0; | |
358 | err: | |
359 | td->io_ops->close_file(td, f); | |
360 | return 1; | |
361 | #else | |
362 | f->real_file_size = -1ULL; | |
363 | return 0; | |
364 | #endif | |
365 | } | |
366 | ||
53cdc686 JA |
367 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
368 | { | |
369 | int ret = 0; | |
370 | ||
d6aed795 | 371 | if (fio_file_size_known(f)) |
409b3417 JA |
372 | return 0; |
373 | ||
7bb48f84 JA |
374 | if (f->filetype == FIO_TYPE_FILE) |
375 | ret = file_size(td, f); | |
686fbd31 | 376 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 377 | ret = bdev_size(td, f); |
4ccdccd1 JA |
378 | else if (f->filetype == FIO_TYPE_CHAR) |
379 | ret = char_size(td, f); | |
0f34169a TK |
380 | else |
381 | f->real_file_size = -1ULL; | |
53cdc686 | 382 | |
79591fa9 TK |
383 | /* |
384 | * Leave ->real_file_size with 0 since it could be expectation | |
385 | * of initial setup for regular files. | |
386 | */ | |
a0cb220b | 387 | if (ret) |
53cdc686 JA |
388 | return ret; |
389 | ||
0f34169a TK |
390 | /* |
391 | * If ->real_file_size is -1, a conditional for the message | |
392 | * "offset extends end" is always true, but it makes no sense, | |
393 | * so just return the same value here. | |
394 | */ | |
395 | if (f->real_file_size == -1ULL) { | |
396 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
397 | f->file_name); | |
398 | return 1; | |
399 | } | |
400 | ||
401 | if (td->o.start_offset && f->file_offset == 0) | |
402 | dprint(FD_FILE, "offset of file %s not initialized yet\n", | |
403 | f->file_name); | |
957c81b9 TK |
404 | /* |
405 | * ->file_offset normally hasn't been initialized yet, so this | |
0f34169a | 406 | * is basically always false. |
957c81b9 | 407 | */ |
53cdc686 | 408 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 409 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
410 | (unsigned long long) f->file_offset, |
411 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
412 | return 1; |
413 | } | |
414 | ||
d6aed795 | 415 | fio_file_set_size_known(f); |
53cdc686 JA |
416 | return 0; |
417 | } | |
418 | ||
3baddf24 JA |
419 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
420 | unsigned long long off, | |
421 | unsigned long long len) | |
e5b401d4 | 422 | { |
942a851a | 423 | int errval = 0, ret = 0; |
e5b401d4 | 424 | |
c8931876 JA |
425 | #ifdef CONFIG_ESX |
426 | return 0; | |
427 | #endif | |
428 | ||
5e0074c2 | 429 | if (len == -1ULL) |
3baddf24 JA |
430 | len = f->io_size; |
431 | if (off == -1ULL) | |
432 | off = f->file_offset; | |
ee56ad50 | 433 | |
0d1cd207 JA |
434 | if (len == -1ULL || off == -1ULL) |
435 | return 0; | |
436 | ||
3baddf24 JA |
437 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
438 | len); | |
b5af8293 | 439 | |
942a851a | 440 | if (td->io_ops->invalidate) { |
d9b100fc | 441 | ret = td->io_ops->invalidate(td, f); |
942a851a JA |
442 | if (ret < 0) |
443 | errval = ret; | |
444 | } else if (f->filetype == FIO_TYPE_FILE) { | |
ecc314ba | 445 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 446 | if (ret) |
942a851a | 447 | errval = ret; |
686fbd31 | 448 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
449 | int retry_count = 0; |
450 | ||
ecc314ba | 451 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
452 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
453 | /* | |
454 | * Linux multipath devices reject ioctl while | |
455 | * the maps are being updated. That window can | |
456 | * last tens of milliseconds; we'll try up to | |
457 | * a quarter of a second. | |
458 | */ | |
459 | usleep(10000); | |
460 | ret = blockdev_invalidate_cache(f); | |
461 | } | |
7e0e25c9 | 462 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 463 | if (!root_warn) { |
5ec10eaa JA |
464 | log_err("fio: only root may flush block " |
465 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
466 | root_warn = 1; |
467 | } | |
7e0e25c9 JA |
468 | ret = 0; |
469 | } | |
942a851a JA |
470 | if (ret < 0) |
471 | errval = errno; | |
b5605e9d | 472 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
473 | ret = 0; |
474 | ||
dfe11fd1 JA |
475 | /* |
476 | * Cache flushing isn't a fatal condition, and we know it will | |
477 | * happen on some platforms where we don't have the proper | |
478 | * function to flush eg block device caches. So just warn and | |
479 | * continue on our way. | |
480 | */ | |
942a851a JA |
481 | if (errval) |
482 | log_info("fio: cache invalidation of %s failed: %s\n", f->file_name, strerror(errval)); | |
e5b401d4 | 483 | |
dfe11fd1 | 484 | return 0; |
3baddf24 JA |
485 | |
486 | } | |
487 | ||
488 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
489 | { | |
d6aed795 | 490 | if (!fio_file_open(f)) |
a5fb461f JA |
491 | return 0; |
492 | ||
5e0074c2 | 493 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
494 | } |
495 | ||
6977bcd0 | 496 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 497 | { |
6977bcd0 JA |
498 | int ret = 0; |
499 | ||
ee56ad50 | 500 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
501 | |
502 | remove_file_hash(f); | |
503 | ||
6977bcd0 JA |
504 | if (close(f->fd) < 0) |
505 | ret = errno; | |
506 | ||
b5af8293 | 507 | f->fd = -1; |
e6c4d732 JA |
508 | |
509 | if (f->shadow_fd != -1) { | |
510 | close(f->shadow_fd); | |
511 | f->shadow_fd = -1; | |
512 | } | |
513 | ||
57e54e08 | 514 | f->engine_data = 0; |
6977bcd0 | 515 | return ret; |
53cdc686 JA |
516 | } |
517 | ||
1ccc6dc7 | 518 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 519 | { |
29c1349f | 520 | struct fio_file *__f; |
4d4e80f2 JA |
521 | int from_hash; |
522 | ||
523 | __f = lookup_file_hash(f->file_name); | |
524 | if (__f) { | |
9efef3c4 | 525 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 526 | f->lock = __f->lock; |
4d4e80f2 JA |
527 | from_hash = 1; |
528 | } else { | |
9efef3c4 | 529 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
530 | from_hash = 0; |
531 | } | |
532 | ||
9c0f3f32 BC |
533 | #ifdef WIN32 |
534 | flags |= _O_BINARY; | |
535 | #endif | |
536 | ||
e8670ef8 | 537 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
538 | return from_hash; |
539 | } | |
540 | ||
e6c4d732 JA |
541 | static int file_close_shadow_fds(struct thread_data *td) |
542 | { | |
543 | struct fio_file *f; | |
544 | int num_closed = 0; | |
545 | unsigned int i; | |
546 | ||
547 | for_each_file(td, f, i) { | |
548 | if (f->shadow_fd == -1) | |
549 | continue; | |
550 | ||
551 | close(f->shadow_fd); | |
552 | f->shadow_fd = -1; | |
553 | num_closed++; | |
554 | } | |
555 | ||
556 | return num_closed; | |
557 | } | |
558 | ||
4d4e80f2 JA |
559 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
560 | { | |
66159828 | 561 | int is_std = 0; |
53cdc686 | 562 | int flags = 0; |
29c1349f | 563 | int from_hash = 0; |
53cdc686 | 564 | |
ee56ad50 JA |
565 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
566 | ||
66159828 JA |
567 | if (!strcmp(f->file_name, "-")) { |
568 | if (td_rw(td)) { | |
569 | log_err("fio: can't read/write to stdin/out\n"); | |
570 | return 1; | |
571 | } | |
572 | is_std = 1; | |
ce98fa66 JA |
573 | |
574 | /* | |
575 | * move output logging to stderr, if we are writing to stdout | |
576 | */ | |
577 | if (td_write(td)) | |
578 | f_out = stderr; | |
66159828 JA |
579 | } |
580 | ||
6eaf09d6 SL |
581 | if (td_trim(td)) |
582 | goto skip_flags; | |
2dc1bbeb | 583 | if (td->o.odirect) |
2fd233b7 | 584 | flags |= OS_O_DIRECT; |
d01612f3 CM |
585 | if (td->o.oatomic) { |
586 | if (!FIO_O_ATOMIC) { | |
587 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
588 | return 1; | |
589 | } | |
590 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
591 | } | |
2dc1bbeb | 592 | if (td->o.sync_io) |
2fd233b7 | 593 | flags |= O_SYNC; |
2378826d | 594 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 595 | flags |= O_CREAT; |
6eaf09d6 SL |
596 | skip_flags: |
597 | if (f->filetype != FIO_TYPE_FILE) | |
598 | flags |= FIO_O_NOATIME; | |
53cdc686 | 599 | |
056f3459 | 600 | open_again: |
660a1cb5 | 601 | if (td_write(td)) { |
17308158 JA |
602 | if (!read_only) |
603 | flags |= O_RDWR; | |
53cdc686 | 604 | |
2378826d | 605 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 606 | flags |= O_CREAT; |
2fd233b7 | 607 | |
66159828 JA |
608 | if (is_std) |
609 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
610 | else |
611 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 612 | } else if (td_read(td)) { |
4241ea8f | 613 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
614 | flags |= O_RDWR; |
615 | else | |
616 | flags |= O_RDONLY; | |
617 | ||
66159828 JA |
618 | if (is_std) |
619 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
620 | else |
621 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 SL |
622 | } else { //td trim |
623 | flags |= O_RDWR; | |
624 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
625 | } |
626 | ||
627 | if (f->fd == -1) { | |
e4e33258 | 628 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
629 | int __e = errno; |
630 | ||
835d9b9e | 631 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 632 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
633 | goto open_again; |
634 | } | |
e6c4d732 JA |
635 | if (__e == EMFILE && file_close_shadow_fds(td)) |
636 | goto open_again; | |
056f3459 | 637 | |
98ffb8f3 | 638 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 639 | |
a93c5f04 JA |
640 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
641 | log_err("fio: looks like your file system does not " \ | |
642 | "support direct=1/buffered=0\n"); | |
643 | } | |
644 | ||
e4e33258 | 645 | td_verror(td, __e, buf); |
3ce3ad33 | 646 | return 1; |
53cdc686 JA |
647 | } |
648 | ||
29c1349f JA |
649 | if (!from_hash && f->fd != -1) { |
650 | if (add_file_hash(f)) { | |
3f0ca9b9 | 651 | int fio_unused ret; |
29c1349f JA |
652 | |
653 | /* | |
e6c4d732 JA |
654 | * Stash away descriptor for later close. This is to |
655 | * work-around a "feature" on Linux, where a close of | |
656 | * an fd that has been opened for write will trigger | |
657 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 658 | * That pollutes the device cache, which can slow down |
e6c4d732 | 659 | * unbuffered accesses. |
29c1349f | 660 | */ |
e6c4d732 JA |
661 | if (f->shadow_fd == -1) |
662 | f->shadow_fd = f->fd; | |
663 | else { | |
664 | /* | |
665 | * OK to ignore, we haven't done anything | |
666 | * with it | |
667 | */ | |
668 | ret = generic_close_file(td, f); | |
669 | } | |
29c1349f JA |
670 | goto open_again; |
671 | } | |
672 | } | |
4906e0b5 | 673 | |
53cdc686 | 674 | return 0; |
b5af8293 JA |
675 | } |
676 | ||
79591fa9 TK |
677 | /* |
678 | * This function i.e. get_file_size() is the default .get_file_size | |
679 | * implementation of majority of I/O engines. | |
680 | */ | |
df9c26b1 | 681 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 682 | { |
df9c26b1 | 683 | return get_file_size(td, f); |
21972cde JA |
684 | } |
685 | ||
7bb48f84 JA |
686 | /* |
687 | * open/close all files, so that ->real_file_size gets set | |
688 | */ | |
bab3fd58 | 689 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
690 | { |
691 | struct fio_file *f; | |
692 | unsigned int i; | |
bab3fd58 | 693 | int err = 0; |
7bb48f84 JA |
694 | |
695 | for_each_file(td, f, i) { | |
5ec10eaa JA |
696 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
697 | f->file_name); | |
9efef3c4 | 698 | |
99a47c69 | 699 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
700 | if (td->error != ENOENT) { |
701 | log_err("%s\n", td->verror); | |
702 | err = 1; | |
3ce3ad33 | 703 | break; |
40b44f4a | 704 | } |
541d66d7 | 705 | clear_error(td); |
07eb79df | 706 | } |
409b3417 | 707 | |
79591fa9 TK |
708 | /* |
709 | * There are corner cases where we end up with -1 for | |
710 | * ->real_file_size due to unsupported file type, etc. | |
711 | * We then just set to size option value divided by number | |
712 | * of files, similar to the way file ->io_size is set. | |
713 | * stat(2) failure doesn't set ->real_file_size to -1. | |
714 | */ | |
409b3417 JA |
715 | if (f->real_file_size == -1ULL && td->o.size) |
716 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 717 | } |
bab3fd58 JA |
718 | |
719 | return err; | |
7bb48f84 JA |
720 | } |
721 | ||
2e3bd4c2 JA |
722 | struct fio_mount { |
723 | struct flist_head list; | |
724 | const char *base; | |
725 | char __base[256]; | |
726 | unsigned int key; | |
727 | }; | |
728 | ||
729 | /* | |
730 | * Get free number of bytes for each file on each unique mount. | |
731 | */ | |
732 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
733 | { | |
734 | struct flist_head *n, *tmp; | |
68b0316f | 735 | unsigned long long ret = 0; |
2e3bd4c2 JA |
736 | struct fio_mount *fm; |
737 | FLIST_HEAD(list); | |
738 | struct fio_file *f; | |
739 | unsigned int i; | |
740 | ||
741 | for_each_file(td, f, i) { | |
742 | struct stat sb; | |
743 | char buf[256]; | |
744 | ||
686fbd31 | 745 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
746 | if (f->real_file_size != -1ULL) |
747 | ret += f->real_file_size; | |
68b0316f JA |
748 | continue; |
749 | } else if (f->filetype != FIO_TYPE_FILE) | |
750 | continue; | |
751 | ||
da27a4bf JA |
752 | buf[255] = '\0'; |
753 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
754 | |
755 | if (stat(buf, &sb) < 0) { | |
756 | if (errno != ENOENT) | |
757 | break; | |
758 | strcpy(buf, "."); | |
759 | if (stat(buf, &sb) < 0) | |
760 | break; | |
761 | } | |
762 | ||
763 | fm = NULL; | |
764 | flist_for_each(n, &list) { | |
765 | fm = flist_entry(n, struct fio_mount, list); | |
766 | if (fm->key == sb.st_dev) | |
767 | break; | |
768 | ||
769 | fm = NULL; | |
770 | } | |
771 | ||
772 | if (fm) | |
773 | continue; | |
774 | ||
3660ceae JA |
775 | fm = calloc(1, sizeof(*fm)); |
776 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
777 | fm->base = basename(fm->__base); |
778 | fm->key = sb.st_dev; | |
779 | flist_add(&fm->list, &list); | |
780 | } | |
781 | ||
2e3bd4c2 JA |
782 | flist_for_each_safe(n, tmp, &list) { |
783 | unsigned long long sz; | |
784 | ||
785 | fm = flist_entry(n, struct fio_mount, list); | |
786 | flist_del(&fm->list); | |
787 | ||
c08ad04c | 788 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
789 | if (sz && sz != -1ULL) |
790 | ret += sz; | |
791 | ||
792 | free(fm); | |
793 | } | |
794 | ||
795 | return ret; | |
796 | } | |
797 | ||
bedc9dc2 | 798 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 799 | { |
bedc9dc2 JA |
800 | struct thread_options *o = &td->o; |
801 | ||
802 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
803 | return f->real_file_size; | |
804 | ||
9bbefaa2 JA |
805 | return td->o.start_offset + |
806 | td->subjob_number * td->o.offset_increment; | |
ce95d651 DE |
807 | } |
808 | ||
7bb48f84 JA |
809 | /* |
810 | * Open the files and setup files sizes, creating files if necessary. | |
811 | */ | |
53cdc686 JA |
812 | int setup_files(struct thread_data *td) |
813 | { | |
7bb48f84 | 814 | unsigned long long total_size, extend_size; |
de98bd30 | 815 | struct thread_options *o = &td->o; |
53cdc686 | 816 | struct fio_file *f; |
002fe734 | 817 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 818 | int err = 0, need_extend; |
e90391eb | 819 | int old_state; |
002fe734 JA |
820 | const unsigned int bs = td_min_bs(td); |
821 | uint64_t fs = 0; | |
53cdc686 | 822 | |
ee56ad50 JA |
823 | dprint(FD_FILE, "setup files\n"); |
824 | ||
8edd973d | 825 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 826 | |
de98bd30 | 827 | if (o->read_iolog_file) |
25460cf6 | 828 | goto done; |
691c8fb0 | 829 | |
53cdc686 | 830 | /* |
79591fa9 TK |
831 | * Find out physical size of files or devices for this thread, |
832 | * before we determine I/O size and range of our targets. | |
833 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
834 | * opening the files and setting f->real_file_size to indicate |
835 | * the valid range for that file. | |
53cdc686 JA |
836 | */ |
837 | if (td->io_ops->setup) | |
7bb48f84 JA |
838 | err = td->io_ops->setup(td); |
839 | else | |
bab3fd58 | 840 | err = get_file_sizes(td); |
53cdc686 | 841 | |
f1027063 | 842 | if (err) |
e90391eb | 843 | goto err_out; |
f1027063 | 844 | |
0a7eb121 | 845 | /* |
7bb48f84 JA |
846 | * check sizes. if the files/devices do not exist and the size |
847 | * isn't passed to fio, abort. | |
0a7eb121 | 848 | */ |
7bb48f84 JA |
849 | total_size = 0; |
850 | for_each_file(td, f, i) { | |
49a416bd | 851 | f->fileno = i; |
7bb48f84 JA |
852 | if (f->real_file_size == -1ULL) |
853 | total_size = -1ULL; | |
854 | else | |
855 | total_size += f->real_file_size; | |
856 | } | |
0a7eb121 | 857 | |
de98bd30 | 858 | if (o->fill_device) |
2e3bd4c2 JA |
859 | td->fill_device_size = get_fs_free_counts(td); |
860 | ||
7bb48f84 JA |
861 | /* |
862 | * device/file sizes are zero and no size given, punt | |
863 | */ | |
de98bd30 | 864 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 865 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
866 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
867 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 868 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 869 | goto err_out; |
53cdc686 JA |
870 | } |
871 | ||
002fe734 JA |
872 | /* |
873 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 874 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 875 | */ |
d1e78e6b | 876 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
877 | uint64_t all_fs; |
878 | ||
879 | fs = o->size / o->nr_files; | |
880 | all_fs = fs * o->nr_files; | |
881 | ||
882 | if (all_fs < o->size) | |
883 | nr_fs_extra = (o->size - all_fs) / bs; | |
884 | } | |
885 | ||
7bb48f84 JA |
886 | /* |
887 | * now file sizes are known, so we can set ->io_size. if size= is | |
888 | * not given, ->io_size is just equal to ->real_file_size. if size | |
889 | * is given, ->io_size is size / nr_files. | |
890 | */ | |
891 | extend_size = total_size = 0; | |
892 | need_extend = 0; | |
893 | for_each_file(td, f, i) { | |
bedc9dc2 | 894 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 895 | |
79591fa9 TK |
896 | /* |
897 | * Update ->io_size depending on options specified. | |
898 | * ->file_size_low being 0 means filesize option isn't set. | |
899 | * Non zero ->file_size_low equals ->file_size_high means | |
900 | * filesize option is set in a fixed size format. | |
901 | * Non zero ->file_size_low not equals ->file_size_high means | |
902 | * filesize option is set in a range format. | |
903 | */ | |
de98bd30 | 904 | if (!o->file_size_low) { |
7bb48f84 | 905 | /* |
79591fa9 | 906 | * no file size or range given, file size is equal to |
002fe734 JA |
907 | * total size divided by number of files. If that is |
908 | * zero, set it to the real file size. If the size | |
909 | * doesn't divide nicely with the min blocksize, | |
910 | * make the first files bigger. | |
7bb48f84 | 911 | */ |
002fe734 JA |
912 | f->io_size = fs; |
913 | if (nr_fs_extra) { | |
914 | nr_fs_extra--; | |
915 | f->io_size += bs; | |
916 | } | |
917 | ||
65bdb10a | 918 | if (!f->io_size) |
273f8c91 | 919 | f->io_size = f->real_file_size - f->file_offset; |
de98bd30 JA |
920 | } else if (f->real_file_size < o->file_size_low || |
921 | f->real_file_size > o->file_size_high) { | |
922 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 923 | goto err_offset; |
7bb48f84 JA |
924 | /* |
925 | * file size given. if it's fixed, use that. if it's a | |
926 | * range, generate a random size in-between. | |
927 | */ | |
de98bd30 JA |
928 | if (o->file_size_low == o->file_size_high) |
929 | f->io_size = o->file_size_low - f->file_offset; | |
930 | else { | |
5ec10eaa JA |
931 | f->io_size = get_rand_file_size(td) |
932 | - f->file_offset; | |
933 | } | |
65bdb10a | 934 | } else |
bcdedd0a | 935 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 936 | |
7bb48f84 JA |
937 | if (f->io_size == -1ULL) |
938 | total_size = -1ULL; | |
4d002569 | 939 | else { |
e391c704 JA |
940 | if (o->size_percent) { |
941 | f->io_size = (f->io_size * o->size_percent) / 100; | |
942 | f->io_size -= (f->io_size % td_min_bs(td)); | |
943 | } | |
7bb48f84 | 944 | total_size += f->io_size; |
4d002569 | 945 | } |
7bb48f84 JA |
946 | |
947 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 948 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 949 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
950 | if (!o->create_on_open) { |
951 | need_extend++; | |
814452bd | 952 | extend_size += (f->io_size + f->file_offset); |
5fd31680 | 953 | } else |
814452bd | 954 | f->real_file_size = f->io_size + f->file_offset; |
d6aed795 | 955 | fio_file_set_extend(f); |
5ec10eaa | 956 | } |
7bb48f84 | 957 | } |
53cdc686 | 958 | |
66347cfa DE |
959 | if (td->o.block_error_hist) { |
960 | int len; | |
961 | ||
962 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
963 | f = td->files[0]; | |
964 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
965 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
966 | log_err("fio: cannot calculate block histogram with " | |
967 | "%d trim blocks, maximum %d\n", | |
968 | len, MAX_NR_BLOCK_INFOS); | |
969 | td_verror(td, EINVAL, "block_error_hist"); | |
970 | goto err_out; | |
971 | } | |
972 | ||
973 | td->ts.nr_block_infos = len; | |
8a68c41c | 974 | for (i = 0; i < len; i++) |
66347cfa DE |
975 | td->ts.block_infos[i] = |
976 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
977 | } else | |
978 | td->ts.nr_block_infos = 0; | |
979 | ||
0bc27b0b | 980 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 981 | o->size = total_size; |
21972cde | 982 | |
d1faa06d JA |
983 | if (o->size < td_min_bs(td)) { |
984 | log_err("fio: blocksize too large for data set\n"); | |
985 | goto err_out; | |
986 | } | |
987 | ||
7bb48f84 | 988 | /* |
79591fa9 TK |
989 | * See if we need to extend some files, typically needed when our |
990 | * target regular files don't exist yet, but our jobs require them | |
991 | * initially due to read I/Os. | |
7bb48f84 JA |
992 | */ |
993 | if (need_extend) { | |
994 | temp_stall_ts = 1; | |
129fb2d4 | 995 | if (output_format & FIO_OUTPUT_NORMAL) |
420b104a RE |
996 | log_info("%s: Laying out IO file(s) (%u file(s) / %lluMiB)\n", |
997 | o->name, need_extend, extend_size >> 20); | |
7bb48f84 JA |
998 | |
999 | for_each_file(td, f, i) { | |
5e0074c2 | 1000 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1001 | |
d6aed795 | 1002 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1003 | continue; |
1004 | ||
409b3417 | 1005 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1006 | fio_file_clear_extend(f); |
de98bd30 | 1007 | if (!o->fill_device) { |
5e0074c2 | 1008 | old_len = f->real_file_size; |
0b9d69ec JA |
1009 | extend_len = f->io_size + f->file_offset - |
1010 | old_len; | |
5e0074c2 | 1011 | } |
bcdedd0a | 1012 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1013 | err = extend_file(td, f); |
1014 | if (err) | |
3baddf24 | 1015 | break; |
5e0074c2 | 1016 | |
3baddf24 JA |
1017 | err = __file_invalidate_cache(td, f, old_len, |
1018 | extend_len); | |
9824f73b JA |
1019 | |
1020 | /* | |
1021 | * Shut up static checker | |
1022 | */ | |
1023 | if (f->fd != -1) | |
1024 | close(f->fd); | |
1025 | ||
3baddf24 JA |
1026 | f->fd = -1; |
1027 | if (err) | |
7bb48f84 JA |
1028 | break; |
1029 | } | |
1030 | temp_stall_ts = 0; | |
1031 | } | |
1032 | ||
1033 | if (err) | |
e90391eb | 1034 | goto err_out; |
7bb48f84 | 1035 | |
de98bd30 JA |
1036 | if (!o->zone_size) |
1037 | o->zone_size = o->size; | |
7bb48f84 | 1038 | |
ea966f81 JA |
1039 | /* |
1040 | * iolog already set the total io size, if we read back | |
1041 | * stored entries. | |
1042 | */ | |
77731b29 | 1043 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1044 | if (o->io_size) |
1045 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1046 | else |
1047 | td->total_io_size = o->size * o->loops; | |
1048 | } | |
25460cf6 JA |
1049 | |
1050 | done: | |
de98bd30 | 1051 | if (o->create_only) |
25460cf6 JA |
1052 | td->done = 1; |
1053 | ||
8edd973d | 1054 | td_restore_runstate(td, old_state); |
7bb48f84 | 1055 | return 0; |
bcdedd0a | 1056 | err_offset: |
de98bd30 | 1057 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1058 | err_out: |
8edd973d | 1059 | td_restore_runstate(td, old_state); |
bcdedd0a | 1060 | return 1; |
53cdc686 JA |
1061 | } |
1062 | ||
afad68f7 ZY |
1063 | int pre_read_files(struct thread_data *td) |
1064 | { | |
1065 | struct fio_file *f; | |
1066 | unsigned int i; | |
1067 | ||
1068 | dprint(FD_FILE, "pre_read files\n"); | |
1069 | ||
1070 | for_each_file(td, f, i) { | |
1071 | pre_read_file(td, f); | |
1072 | } | |
1073 | ||
1074 | return 1; | |
1075 | } | |
1076 | ||
9c6f6316 JA |
1077 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1078 | { | |
2316296a | 1079 | unsigned int range_size, seed; |
9c6f6316 | 1080 | unsigned long nranges; |
42da5c8b | 1081 | uint64_t fsize; |
9c6f6316 JA |
1082 | |
1083 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1084 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1085 | |
42da5c8b | 1086 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1087 | |
2316296a | 1088 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1089 | if (!td->o.rand_repeatable) |
1090 | seed = td->rand_seeds[4]; | |
1091 | ||
9c6f6316 | 1092 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1093 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1094 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1095 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1096 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1097 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1098 | |
1099 | return 1; | |
1100 | } | |
1101 | ||
1102 | static int init_rand_distribution(struct thread_data *td) | |
1103 | { | |
1104 | struct fio_file *f; | |
1105 | unsigned int i; | |
1106 | int state; | |
1107 | ||
1108 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1109 | return 0; | |
1110 | ||
8edd973d JA |
1111 | state = td_bump_runstate(td, TD_SETTING_UP); |
1112 | ||
9c6f6316 JA |
1113 | for_each_file(td, f, i) |
1114 | __init_rand_distribution(td, f); | |
8edd973d JA |
1115 | |
1116 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1117 | |
1118 | return 1; | |
1119 | } | |
1120 | ||
75f90d5f JA |
1121 | /* |
1122 | * Check if the number of blocks exceeds the randomness capability of | |
1123 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1124 | * 64-bit capable. | |
1125 | */ | |
1126 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1127 | uint64_t blocks) | |
1128 | { | |
1129 | if (blocks <= FRAND32_MAX) | |
1130 | return 0; | |
1131 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1132 | return 0; | |
1133 | ||
1134 | /* | |
1135 | * If the user hasn't specified a random generator, switch | |
1136 | * to tausworthe64 with informational warning. If the user did | |
1137 | * specify one, just warn. | |
1138 | */ | |
1139 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1140 | f->file_name); | |
1141 | ||
1142 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1143 | log_info("fio: Switching to tausworthe64. Use the " | |
1144 | "random_generator= option to get rid of this " | |
4e795a3e | 1145 | "warning.\n"); |
75f90d5f JA |
1146 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1147 | return 0; | |
1148 | } | |
1149 | ||
1150 | /* | |
1151 | * Just make this information to avoid breaking scripts. | |
1152 | */ | |
1153 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1154 | "tausworthe64.\n"); | |
1155 | return 0; | |
1156 | } | |
1157 | ||
68727076 JA |
1158 | int init_random_map(struct thread_data *td) |
1159 | { | |
51ede0b1 | 1160 | unsigned long long blocks; |
68727076 JA |
1161 | struct fio_file *f; |
1162 | unsigned int i; | |
1163 | ||
9c6f6316 JA |
1164 | if (init_rand_distribution(td)) |
1165 | return 0; | |
3831a843 | 1166 | if (!td_random(td)) |
68727076 JA |
1167 | return 0; |
1168 | ||
1169 | for_each_file(td, f, i) { | |
42da5c8b | 1170 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1171 | |
42da5c8b | 1172 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1173 | |
75f90d5f | 1174 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1175 | return 1; |
37fbd7e9 | 1176 | |
8055e41d | 1177 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1178 | unsigned long seed; |
1179 | ||
1180 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1181 | |
967d1b63 JA |
1182 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1183 | fio_file_set_lfsr(f); | |
8055e41d | 1184 | continue; |
967d1b63 | 1185 | } |
3831a843 | 1186 | } else if (!td->o.norandommap) { |
7ebd796f | 1187 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1188 | if (f->io_axmap) { |
1189 | fio_file_set_axmap(f); | |
8055e41d | 1190 | continue; |
967d1b63 | 1191 | } |
1cad7121 JA |
1192 | } else if (td->o.norandommap) |
1193 | continue; | |
ceadd59e | 1194 | |
2b386d25 | 1195 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1196 | log_err("fio: failed allocating random map. If running" |
1197 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1198 | " option or set 'softrandommap'. Or give" |
1199 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1200 | return 1; |
1201 | } | |
303032ae JA |
1202 | |
1203 | log_info("fio: file %s failed allocating random map. Running " | |
1204 | "job without.\n", f->file_name); | |
68727076 JA |
1205 | } |
1206 | ||
1207 | return 0; | |
1208 | } | |
1209 | ||
53cdc686 JA |
1210 | void close_files(struct thread_data *td) |
1211 | { | |
0ab8db89 | 1212 | struct fio_file *f; |
af52b345 | 1213 | unsigned int i; |
53cdc686 | 1214 | |
2be3eec3 JA |
1215 | for_each_file(td, f, i) { |
1216 | if (fio_file_open(f)) | |
1217 | td_io_close_file(td, f); | |
1218 | } | |
24ffd2c2 JA |
1219 | } |
1220 | ||
1221 | void close_and_free_files(struct thread_data *td) | |
1222 | { | |
1223 | struct fio_file *f; | |
1224 | unsigned int i; | |
1225 | ||
ee56ad50 JA |
1226 | dprint(FD_FILE, "close files\n"); |
1227 | ||
0ab8db89 | 1228 | for_each_file(td, f, i) { |
38ef9c90 CF |
1229 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1230 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1231 | td_io_unlink_file(td, f); | |
1232 | } | |
1233 | ||
22a57ba8 JA |
1234 | if (fio_file_open(f)) |
1235 | td_io_close_file(td, f); | |
1236 | ||
b9fbcf21 | 1237 | remove_file_hash(f); |
b3dc7f07 | 1238 | |
b5f4d8ba JA |
1239 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1240 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1241 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1242 | } |
1243 | ||
f17c4392 | 1244 | sfree(f->file_name); |
fa1da865 | 1245 | f->file_name = NULL; |
967d1b63 JA |
1246 | if (fio_file_axmap(f)) { |
1247 | axmap_free(f->io_axmap); | |
1248 | f->io_axmap = NULL; | |
1249 | } | |
78d99e6a | 1250 | sfree(f); |
53cdc686 | 1251 | } |
b4a6a59a | 1252 | |
2dc1bbeb | 1253 | td->o.filename = NULL; |
cade3ef4 | 1254 | free(td->files); |
d7df1d13 | 1255 | free(td->file_locks); |
9efef3c4 | 1256 | td->files_index = 0; |
b4a6a59a | 1257 | td->files = NULL; |
d7df1d13 | 1258 | td->file_locks = NULL; |
27ddbfa0 | 1259 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1260 | td->o.nr_files = 0; |
53cdc686 | 1261 | } |
af52b345 | 1262 | |
e3bab463 | 1263 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1264 | { |
1265 | struct stat sb; | |
1266 | ||
66159828 JA |
1267 | if (!strcmp(f->file_name, "-")) |
1268 | f->filetype = FIO_TYPE_PIPE; | |
1269 | else | |
1270 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1271 | |
d5b78f5a | 1272 | #ifdef WIN32 |
3892182a BC |
1273 | /* \\.\ is the device namespace in Windows, where every file is |
1274 | * a block device */ | |
1275 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1276 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1277 | #endif |
3892182a | 1278 | |
b30d395e | 1279 | if (!stat(f->file_name, &sb)) { |
3892182a | 1280 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1281 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1282 | else if (S_ISCHR(sb.st_mode)) |
1283 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1284 | else if (S_ISFIFO(sb.st_mode)) |
1285 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1286 | } |
1287 | } | |
1288 | ||
1b2a83dc | 1289 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1290 | { |
90426237 | 1291 | struct flist_head *entry; |
1b2a83dc | 1292 | bool ret; |
bcbfeefa | 1293 | |
1b2a83dc JA |
1294 | ret = file_bloom_exists(fname, set); |
1295 | if (!ret) | |
1296 | return ret; | |
90426237 JA |
1297 | |
1298 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1299 | struct file_name *fn; |
90426237 | 1300 | |
04d6530f JA |
1301 | fn = flist_entry(entry, struct file_name, list); |
1302 | ||
1303 | if (!strcmp(fn->filename, fname)) | |
1304 | return true; | |
90426237 JA |
1305 | } |
1306 | ||
04d6530f | 1307 | return false; |
bcbfeefa CE |
1308 | } |
1309 | ||
04d6530f | 1310 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1311 | { |
04d6530f | 1312 | bool ret; |
bcbfeefa | 1313 | |
90426237 | 1314 | fio_file_hash_lock(); |
1b2a83dc | 1315 | ret = __is_already_allocated(fname, false); |
90426237 | 1316 | fio_file_hash_unlock(); |
04d6530f | 1317 | |
90426237 JA |
1318 | return ret; |
1319 | } | |
bcbfeefa | 1320 | |
90426237 JA |
1321 | static void set_already_allocated(const char *fname) |
1322 | { | |
1323 | struct file_name *fn; | |
1324 | ||
1325 | fn = malloc(sizeof(struct file_name)); | |
1326 | fn->filename = strdup(fname); | |
1327 | ||
1328 | fio_file_hash_lock(); | |
1b2a83dc | 1329 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1330 | flist_add_tail(&fn->list, &filename_list); |
1331 | fn = NULL; | |
bcbfeefa | 1332 | } |
90426237 | 1333 | fio_file_hash_unlock(); |
bcbfeefa | 1334 | |
90426237 JA |
1335 | if (fn) { |
1336 | free(fn->filename); | |
1337 | free(fn); | |
1338 | } | |
bcbfeefa CE |
1339 | } |
1340 | ||
190b8f0c CF |
1341 | static void free_already_allocated(void) |
1342 | { | |
bcbfeefa CE |
1343 | struct flist_head *entry, *tmp; |
1344 | struct file_name *fn; | |
1345 | ||
90426237 JA |
1346 | if (flist_empty(&filename_list)) |
1347 | return; | |
1348 | ||
1349 | fio_file_hash_lock(); | |
1350 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1351 | fn = flist_entry(entry, struct file_name, list); | |
1352 | free(fn->filename); | |
1353 | flist_del(&fn->list); | |
1354 | free(fn); | |
bcbfeefa | 1355 | } |
90426237 JA |
1356 | |
1357 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1358 | } |
1359 | ||
7b5cb700 JA |
1360 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1361 | { | |
1362 | struct fio_file *f; | |
1363 | ||
1364 | f = smalloc(sizeof(*f)); | |
1365 | if (!f) { | |
7b5cb700 JA |
1366 | assert(0); |
1367 | return NULL; | |
1368 | } | |
1369 | ||
1370 | f->fd = -1; | |
1371 | f->shadow_fd = -1; | |
1372 | fio_file_reset(td, f); | |
1373 | return f; | |
1374 | } | |
1375 | ||
04d6530f JA |
1376 | bool exists_and_not_regfile(const char *filename) |
1377 | { | |
1378 | struct stat sb; | |
1379 | ||
1380 | if (lstat(filename, &sb) == -1) | |
1381 | return false; | |
1382 | ||
1383 | #ifndef WIN32 /* NOT Windows */ | |
1384 | if (S_ISREG(sb.st_mode)) | |
1385 | return false; | |
1386 | #else | |
1387 | /* \\.\ is the device namespace in Windows, where every file | |
1388 | * is a device node */ | |
1389 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1390 | return false; | |
1391 | #endif | |
1392 | ||
1393 | return true; | |
1394 | } | |
1395 | ||
5903e7b7 | 1396 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1397 | { |
7b4e4fe5 | 1398 | int cur_files = td->files_index; |
bd0ee748 | 1399 | char file_name[PATH_MAX]; |
af52b345 | 1400 | struct fio_file *f; |
bd0ee748 | 1401 | int len = 0; |
af52b345 | 1402 | |
ee56ad50 JA |
1403 | dprint(FD_FILE, "add file %s\n", fname); |
1404 | ||
bcbfeefa | 1405 | if (td->o.directory) |
922a5be8 JA |
1406 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1407 | td->o.unique_filename); | |
bcbfeefa CE |
1408 | |
1409 | sprintf(file_name + len, "%s", fname); | |
1410 | ||
1411 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1412 | if (numjob && is_already_allocated(file_name) && |
1413 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1414 | return 0; |
1415 | ||
7b5cb700 | 1416 | f = alloc_new_file(td); |
bd0ee748 | 1417 | |
fc99bc0d | 1418 | if (td->files_size <= td->files_index) { |
1983e327 | 1419 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1420 | |
fc99bc0d JA |
1421 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1422 | ||
1423 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1424 | if (td->files == NULL) { |
1425 | log_err("fio: realloc OOM\n"); | |
1426 | assert(0); | |
1427 | } | |
d7df1d13 JA |
1428 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1429 | td->file_locks = realloc(td->file_locks, new_size); | |
1430 | if (!td->file_locks) { | |
1431 | log_err("fio: realloc OOM\n"); | |
1432 | assert(0); | |
1433 | } | |
1434 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1435 | } | |
fc99bc0d JA |
1436 | td->files_size = new_size; |
1437 | } | |
8bb7679e | 1438 | td->files[cur_files] = f; |
89ac1d48 | 1439 | f->fileno = cur_files; |
126d65c6 | 1440 | |
07eb79df JA |
1441 | /* |
1442 | * init function, io engine may not be loaded yet | |
1443 | */ | |
9b87f09b | 1444 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1445 | f->real_file_size = -1ULL; |
1446 | ||
f17c4392 | 1447 | f->file_name = smalloc_strdup(file_name); |
81b3c86f | 1448 | if (!f->file_name) |
c48c0be7 | 1449 | assert(0); |
0b9d69ec | 1450 | |
e3bab463 | 1451 | get_file_type(f); |
af52b345 | 1452 | |
4d4e80f2 JA |
1453 | switch (td->o.file_lock_mode) { |
1454 | case FILE_LOCK_NONE: | |
1455 | break; | |
1456 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1457 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1458 | break; |
1459 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1460 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1461 | break; |
1462 | default: | |
1463 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1464 | assert(0); | |
1465 | } | |
29c1349f | 1466 | |
7b4e4fe5 | 1467 | td->files_index++; |
1549441c JA |
1468 | if (f->filetype == FIO_TYPE_FILE) |
1469 | td->nr_normal_files++; | |
f29b25a3 | 1470 | |
bcbfeefa CE |
1471 | set_already_allocated(file_name); |
1472 | ||
5903e7b7 JA |
1473 | if (inc) |
1474 | td->o.nr_files++; | |
1475 | ||
5ec10eaa JA |
1476 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1477 | cur_files); | |
9efef3c4 | 1478 | |
f29b25a3 | 1479 | return cur_files; |
af52b345 | 1480 | } |
0ad920e7 | 1481 | |
49ffb4a2 JA |
1482 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1483 | { | |
1484 | struct fio_file *f; | |
1485 | unsigned int i; | |
1486 | ||
1487 | for_each_file(td, f, i) { | |
1488 | if (!strcmp(f->file_name, fname)) | |
1489 | return i; | |
1490 | } | |
1491 | ||
5903e7b7 | 1492 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1493 | } |
1494 | ||
0ad920e7 JA |
1495 | void get_file(struct fio_file *f) |
1496 | { | |
8172fe97 | 1497 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1498 | assert(fio_file_open(f)); |
0ad920e7 JA |
1499 | f->references++; |
1500 | } | |
1501 | ||
6977bcd0 | 1502 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1503 | { |
98e1ac4e | 1504 | int f_ret = 0, ret = 0; |
6977bcd0 | 1505 | |
8172fe97 | 1506 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1507 | |
22a57ba8 JA |
1508 | if (!fio_file_open(f)) { |
1509 | assert(f->fd == -1); | |
6977bcd0 | 1510 | return 0; |
22a57ba8 | 1511 | } |
0ad920e7 JA |
1512 | |
1513 | assert(f->references); | |
1514 | if (--f->references) | |
6977bcd0 | 1515 | return 0; |
0ad920e7 | 1516 | |
71b84caa | 1517 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1518 | f_ret = fsync(f->fd); |
71b84caa JA |
1519 | if (f_ret < 0) |
1520 | f_ret = errno; | |
1521 | } | |
ebb1415f | 1522 | |
0ad920e7 | 1523 | if (td->io_ops->close_file) |
6977bcd0 | 1524 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1525 | |
98e1ac4e | 1526 | if (!ret) |
a5fb461f | 1527 | ret = f_ret; |
98e1ac4e | 1528 | |
0ad920e7 | 1529 | td->nr_open_files--; |
d6aed795 | 1530 | fio_file_clear_open(f); |
22a57ba8 | 1531 | assert(f->fd == -1); |
6977bcd0 | 1532 | return ret; |
0ad920e7 | 1533 | } |
bbf6b540 | 1534 | |
4d4e80f2 | 1535 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1536 | { |
4d4e80f2 JA |
1537 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1538 | return; | |
29c1349f | 1539 | |
4d4e80f2 JA |
1540 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1541 | if (ddir == DDIR_READ) | |
d7df1d13 | 1542 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1543 | else |
d7df1d13 | 1544 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1545 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1546 | fio_mutex_down(f->lock); | |
1547 | ||
d7df1d13 | 1548 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1549 | } |
1550 | ||
4d4e80f2 | 1551 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1552 | { |
4d4e80f2 JA |
1553 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1554 | return; | |
4d4e80f2 | 1555 | |
d7df1d13 JA |
1556 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1557 | fio_rwlock_unlock(f->rwlock); | |
1558 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1559 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1560 | |
1561 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1562 | } |
1563 | ||
4d4e80f2 JA |
1564 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1565 | { | |
f2a2803a | 1566 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1567 | return; |
d7df1d13 JA |
1568 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1569 | unlock_file(td, f); | |
4d4e80f2 JA |
1570 | } |
1571 | ||
bbf6b540 JA |
1572 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1573 | { | |
1574 | struct dirent *dir; | |
1575 | int ret = 0; | |
1576 | DIR *D; | |
1577 | ||
1578 | D = opendir(dirname); | |
1579 | if (!D) { | |
0ddb270c JA |
1580 | char buf[FIO_VERROR_SIZE]; |
1581 | ||
98ffb8f3 | 1582 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1583 | td_verror(td, errno, buf); |
bbf6b540 JA |
1584 | return 1; |
1585 | } | |
1586 | ||
1587 | while ((dir = readdir(D)) != NULL) { | |
1588 | char full_path[PATH_MAX]; | |
1589 | struct stat sb; | |
1590 | ||
e85b2b83 JA |
1591 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1592 | continue; | |
96d32d51 | 1593 | |
b9fd788f | 1594 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1595 | |
1596 | if (lstat(full_path, &sb) == -1) { | |
1597 | if (errno != ENOENT) { | |
1598 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1599 | ret = 1; |
1600 | break; | |
bbf6b540 JA |
1601 | } |
1602 | } | |
1603 | ||
1604 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1605 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1606 | continue; |
1607 | } | |
0ddb270c JA |
1608 | if (!S_ISDIR(sb.st_mode)) |
1609 | continue; | |
bbf6b540 | 1610 | |
5ec10eaa JA |
1611 | ret = recurse_dir(td, full_path); |
1612 | if (ret) | |
bbf6b540 JA |
1613 | break; |
1614 | } | |
1615 | ||
1616 | closedir(D); | |
1617 | return ret; | |
1618 | } | |
1619 | ||
1620 | int add_dir_files(struct thread_data *td, const char *path) | |
1621 | { | |
0ddb270c JA |
1622 | int ret = recurse_dir(td, path); |
1623 | ||
1624 | if (!ret) | |
1625 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1626 | ||
1627 | return ret; | |
bbf6b540 | 1628 | } |
cade3ef4 JA |
1629 | |
1630 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1631 | { | |
1632 | struct fio_file *f; | |
1633 | unsigned int i; | |
9efef3c4 JA |
1634 | |
1635 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1636 | |
1637 | if (!org->files) | |
1638 | return; | |
1639 | ||
9efef3c4 | 1640 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1641 | |
d7df1d13 JA |
1642 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1643 | td->file_locks = malloc(org->files_index); | |
1644 | ||
9efef3c4 | 1645 | for_each_file(org, f, i) { |
b0fe421a JA |
1646 | struct fio_file *__f; |
1647 | ||
7b5cb700 | 1648 | __f = alloc_new_file(td); |
0b9d69ec | 1649 | |
bc3456fa | 1650 | if (f->file_name) { |
f17c4392 | 1651 | __f->file_name = smalloc_strdup(f->file_name); |
81b3c86f | 1652 | if (!__f->file_name) |
c48c0be7 | 1653 | assert(0); |
0b9d69ec | 1654 | |
bc3456fa AC |
1655 | __f->filetype = f->filetype; |
1656 | } | |
b0fe421a | 1657 | |
67ad9242 JA |
1658 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1659 | __f->lock = f->lock; | |
1660 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1661 | __f->rwlock = f->rwlock; | |
1662 | ||
b0fe421a | 1663 | td->files[i] = __f; |
cade3ef4 JA |
1664 | } |
1665 | } | |
f29b25a3 JA |
1666 | |
1667 | /* | |
1668 | * Returns the index that matches the filename, or -1 if not there | |
1669 | */ | |
1670 | int get_fileno(struct thread_data *td, const char *fname) | |
1671 | { | |
1672 | struct fio_file *f; | |
1673 | unsigned int i; | |
1674 | ||
1675 | for_each_file(td, f, i) | |
1676 | if (!strcmp(f->file_name, fname)) | |
1677 | return i; | |
1678 | ||
1679 | return -1; | |
1680 | } | |
1681 | ||
1682 | /* | |
1683 | * For log usage, where we add/open/close files automatically | |
1684 | */ | |
1685 | void free_release_files(struct thread_data *td) | |
1686 | { | |
1687 | close_files(td); | |
66ee4002 JA |
1688 | td->o.nr_files = 0; |
1689 | td->o.open_files = 0; | |
f29b25a3 JA |
1690 | td->files_index = 0; |
1691 | td->nr_normal_files = 0; | |
1692 | } | |
33c48814 JA |
1693 | |
1694 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1695 | { | |
f1dfb668 JA |
1696 | int i; |
1697 | ||
1698 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1699 | f->last_pos[i] = f->file_offset; | |
1700 | f->last_start[i] = -1ULL; | |
1701 | } | |
1702 | ||
967d1b63 | 1703 | if (fio_file_axmap(f)) |
33c48814 | 1704 | axmap_reset(f->io_axmap); |
967d1b63 | 1705 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1706 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1707 | } | |
002fe734 | 1708 | |
747b3105 | 1709 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1710 | { |
1711 | struct fio_file *f; | |
1712 | unsigned int i; | |
1713 | ||
1714 | for_each_file(td, f, i) | |
1715 | if (!fio_file_done(f)) | |
747b3105 | 1716 | return false; |
002fe734 | 1717 | |
747b3105 | 1718 | return true; |
002fe734 | 1719 | } |
bcbfeefa CE |
1720 | |
1721 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1722 | void filesetup_mem_free(void) |
1723 | { | |
bcbfeefa CE |
1724 | free_already_allocated(); |
1725 | } |