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) || | |
ffdfabd4 | 55 | (td_write(td) && td->io_ops->flags & 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) { |
bd199f2b | 61 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
38ef9c90 | 62 | if ((td_io_unlink_file(td, f) < 0) && (errno != ENOENT)) { |
7bb48f84 JA |
63 | td_verror(td, errno, "unlink"); |
64 | return 1; | |
65 | } | |
66 | } | |
67 | ||
2378826d JA |
68 | flags = O_WRONLY; |
69 | if (td->o.allow_create) | |
70 | flags |= O_CREAT; | |
507a702f JA |
71 | if (new_layout) |
72 | flags |= O_TRUNC; | |
73 | ||
9c0f3f32 BC |
74 | #ifdef WIN32 |
75 | flags |= _O_BINARY; | |
76 | #endif | |
77 | ||
ee56ad50 | 78 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 79 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 80 | if (f->fd < 0) { |
2378826d JA |
81 | int err = errno; |
82 | ||
83 | if (err == ENOENT && !td->o.allow_create) | |
84 | log_err("fio: file creation disallowed by " | |
85 | "allow_file_create=0\n"); | |
86 | else | |
87 | td_verror(td, err, "open"); | |
53cdc686 JA |
88 | return 1; |
89 | } | |
90 | ||
97ac992c | 91 | #ifdef CONFIG_POSIX_FALLOCATE |
a596f047 EG |
92 | if (!td->o.fill_device) { |
93 | switch (td->o.fallocate_mode) { | |
94 | case FIO_FALLOCATE_NONE: | |
95 | break; | |
96 | case FIO_FALLOCATE_POSIX: | |
97 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
4b91ee8f JA |
98 | f->file_name, |
99 | (unsigned long long) f->real_file_size); | |
a596f047 EG |
100 | |
101 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
102 | if (r > 0) { | |
103 | log_err("fio: posix_fallocate fails: %s\n", | |
104 | strerror(r)); | |
105 | } | |
106 | break; | |
97ac992c | 107 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
108 | case FIO_FALLOCATE_KEEP_SIZE: |
109 | dprint(FD_FILE, | |
110 | "fallocate(FALLOC_FL_KEEP_SIZE) " | |
4b91ee8f JA |
111 | "file %s size %llu\n", f->file_name, |
112 | (unsigned long long) f->real_file_size); | |
7bc8c2cf | 113 | |
a596f047 EG |
114 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, |
115 | f->real_file_size); | |
888677a4 | 116 | if (r != 0) |
a596f047 | 117 | td_verror(td, errno, "fallocate"); |
888677a4 | 118 | |
a596f047 | 119 | break; |
97ac992c | 120 | #endif /* CONFIG_LINUX_FALLOCATE */ |
a596f047 EG |
121 | default: |
122 | log_err("fio: unknown fallocate mode: %d\n", | |
123 | td->o.fallocate_mode); | |
124 | assert(0); | |
7bc8c2cf JA |
125 | } |
126 | } | |
97ac992c | 127 | #endif /* CONFIG_POSIX_FALLOCATE */ |
9b836561 | 128 | |
fc74ac1d SL |
129 | if (!new_layout) |
130 | goto done; | |
131 | ||
5e0074c2 JA |
132 | /* |
133 | * The size will be -1ULL when fill_device is used, so don't truncate | |
134 | * or fallocate this file, just write it | |
135 | */ | |
136 | if (!td->o.fill_device) { | |
137 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 138 | (unsigned long long) f->real_file_size); |
5e0074c2 | 139 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
140 | if (errno != EFBIG) { |
141 | td_verror(td, errno, "ftruncate"); | |
142 | goto err; | |
143 | } | |
5e0074c2 | 144 | } |
5e0074c2 | 145 | } |
40f8298c | 146 | |
2dc1bbeb | 147 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
53cdc686 | 148 | |
7bb48f84 | 149 | left = f->real_file_size; |
53cdc686 | 150 | while (left && !td->terminate) { |
2dc1bbeb | 151 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
152 | if (bs > left) |
153 | bs = left; | |
154 | ||
cc86c395 JA |
155 | fill_io_buffer(td, b, bs, bs); |
156 | ||
53cdc686 JA |
157 | r = write(f->fd, b, bs); |
158 | ||
5e0074c2 JA |
159 | if (r > 0) { |
160 | left -= r; | |
53cdc686 JA |
161 | continue; |
162 | } else { | |
5e0074c2 JA |
163 | if (r < 0) { |
164 | int __e = errno; | |
165 | ||
166 | if (__e == ENOSPC) { | |
167 | if (td->o.fill_device) | |
168 | break; | |
169 | log_info("fio: ENOSPC on laying out " | |
170 | "file, stopping\n"); | |
171 | break; | |
172 | } | |
e1161c32 | 173 | td_verror(td, errno, "write"); |
5e0074c2 | 174 | } else |
e1161c32 | 175 | td_verror(td, EIO, "write"); |
53cdc686 JA |
176 | |
177 | break; | |
178 | } | |
179 | } | |
180 | ||
ffdfabd4 JA |
181 | if (td->terminate) { |
182 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 183 | td_io_unlink_file(td, f); |
ffdfabd4 | 184 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
185 | if (fsync(f->fd) < 0) { |
186 | td_verror(td, errno, "fsync"); | |
187 | goto err; | |
188 | } | |
189 | } | |
0d1cd207 | 190 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 191 | fio_file_clear_size_known(f); |
5e0074c2 JA |
192 | if (td_io_get_file_size(td, f)) |
193 | goto err; | |
194 | if (f->io_size > f->real_file_size) | |
195 | f->io_size = f->real_file_size; | |
196 | } | |
53cdc686 JA |
197 | |
198 | free(b); | |
507a702f | 199 | done: |
53cdc686 JA |
200 | return 0; |
201 | err: | |
202 | close(f->fd); | |
203 | f->fd = -1; | |
f3e1eb23 JA |
204 | if (b) |
205 | free(b); | |
53cdc686 JA |
206 | return 1; |
207 | } | |
208 | ||
afad68f7 ZY |
209 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
210 | { | |
ef799a64 | 211 | int ret = 0, r, did_open = 0, old_runstate; |
afad68f7 ZY |
212 | unsigned long long left; |
213 | unsigned int bs; | |
214 | char *b; | |
215 | ||
9c0d2241 JA |
216 | if (td->io_ops->flags & FIO_PIPEIO) |
217 | return 0; | |
218 | ||
d6aed795 | 219 | if (!fio_file_open(f)) { |
b0f65863 JA |
220 | if (td->io_ops->open_file(td, f)) { |
221 | log_err("fio: cannot pre-read, failed to open file\n"); | |
222 | return 1; | |
223 | } | |
224 | did_open = 1; | |
225 | } | |
226 | ||
8edd973d | 227 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 228 | |
afad68f7 ZY |
229 | bs = td->o.max_bs[DDIR_READ]; |
230 | b = malloc(bs); | |
231 | memset(b, 0, bs); | |
232 | ||
ef799a64 JA |
233 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
234 | td_verror(td, errno, "lseek"); | |
235 | log_err("fio: failed to lseek pre-read file\n"); | |
236 | ret = 1; | |
237 | goto error; | |
238 | } | |
239 | ||
afad68f7 ZY |
240 | left = f->io_size; |
241 | ||
242 | while (left && !td->terminate) { | |
243 | if (bs > left) | |
244 | bs = left; | |
245 | ||
246 | r = read(f->fd, b, bs); | |
247 | ||
248 | if (r == (int) bs) { | |
249 | left -= bs; | |
250 | continue; | |
251 | } else { | |
252 | td_verror(td, EIO, "pre_read"); | |
253 | break; | |
254 | } | |
255 | } | |
256 | ||
ef799a64 | 257 | error: |
8edd973d | 258 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
259 | |
260 | if (did_open) | |
261 | td->io_ops->close_file(td, f); | |
ef799a64 | 262 | |
afad68f7 | 263 | free(b); |
ef799a64 | 264 | return ret; |
afad68f7 ZY |
265 | } |
266 | ||
7bb48f84 | 267 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 268 | { |
dc873b6f | 269 | unsigned long long ret, sized; |
c3546b53 | 270 | uint64_t frand_max; |
1294c3ec | 271 | unsigned long r; |
9c60ce64 | 272 | |
c3546b53 | 273 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 274 | r = __rand(&td->file_size_state); |
54a21917 | 275 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 276 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 277 | ret += td->o.file_size_low; |
2dc1bbeb | 278 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
279 | return ret; |
280 | } | |
281 | ||
53cdc686 JA |
282 | static int file_size(struct thread_data *td, struct fio_file *f) |
283 | { | |
284 | struct stat st; | |
285 | ||
df9c26b1 | 286 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
287 | td_verror(td, errno, "fstat"); |
288 | return 1; | |
289 | } | |
53cdc686 | 290 | |
7bb48f84 | 291 | f->real_file_size = st.st_size; |
53cdc686 JA |
292 | return 0; |
293 | } | |
294 | ||
295 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
296 | { | |
9b836561 | 297 | unsigned long long bytes = 0; |
53cdc686 JA |
298 | int r; |
299 | ||
df9c26b1 JA |
300 | if (td->io_ops->open_file(td, f)) { |
301 | log_err("fio: failed opening blockdev %s for size check\n", | |
302 | f->file_name); | |
303 | return 1; | |
304 | } | |
305 | ||
ecc314ba | 306 | r = blockdev_size(f, &bytes); |
53cdc686 | 307 | if (r) { |
e1161c32 | 308 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 309 | goto err; |
53cdc686 JA |
310 | } |
311 | ||
7ab077ab JA |
312 | if (!bytes) { |
313 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 314 | goto err; |
7ab077ab JA |
315 | } |
316 | ||
53cdc686 | 317 | f->real_file_size = bytes; |
22a57ba8 | 318 | td->io_ops->close_file(td, f); |
53cdc686 | 319 | return 0; |
df9c26b1 JA |
320 | err: |
321 | td->io_ops->close_file(td, f); | |
322 | return 1; | |
53cdc686 JA |
323 | } |
324 | ||
4ccdccd1 JA |
325 | static int char_size(struct thread_data *td, struct fio_file *f) |
326 | { | |
327 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 328 | unsigned long long bytes = 0; |
4ccdccd1 JA |
329 | int r; |
330 | ||
331 | if (td->io_ops->open_file(td, f)) { | |
332 | log_err("fio: failed opening blockdev %s for size check\n", | |
333 | f->file_name); | |
334 | return 1; | |
335 | } | |
336 | ||
ecc314ba | 337 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
338 | if (r) { |
339 | td_verror(td, r, "chardev_size"); | |
340 | goto err; | |
341 | } | |
342 | ||
343 | if (!bytes) { | |
344 | log_err("%s: zero sized char device?\n", f->file_name); | |
345 | goto err; | |
346 | } | |
347 | ||
348 | f->real_file_size = bytes; | |
349 | td->io_ops->close_file(td, f); | |
350 | return 0; | |
351 | err: | |
352 | td->io_ops->close_file(td, f); | |
353 | return 1; | |
354 | #else | |
355 | f->real_file_size = -1ULL; | |
356 | return 0; | |
357 | #endif | |
358 | } | |
359 | ||
53cdc686 JA |
360 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
361 | { | |
362 | int ret = 0; | |
363 | ||
d6aed795 | 364 | if (fio_file_size_known(f)) |
409b3417 JA |
365 | return 0; |
366 | ||
7bb48f84 JA |
367 | if (f->filetype == FIO_TYPE_FILE) |
368 | ret = file_size(td, f); | |
369 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 | 370 | ret = bdev_size(td, f); |
4ccdccd1 JA |
371 | else if (f->filetype == FIO_TYPE_CHAR) |
372 | ret = char_size(td, f); | |
53cdc686 JA |
373 | else |
374 | f->real_file_size = -1; | |
375 | ||
376 | if (ret) | |
377 | return ret; | |
378 | ||
379 | if (f->file_offset > f->real_file_size) { | |
0f2152c1 | 380 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
381 | (unsigned long long) f->file_offset, |
382 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
383 | return 1; |
384 | } | |
385 | ||
d6aed795 | 386 | fio_file_set_size_known(f); |
53cdc686 JA |
387 | return 0; |
388 | } | |
389 | ||
3baddf24 JA |
390 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
391 | unsigned long long off, | |
392 | unsigned long long len) | |
e5b401d4 JA |
393 | { |
394 | int ret = 0; | |
395 | ||
c8931876 JA |
396 | #ifdef CONFIG_ESX |
397 | return 0; | |
398 | #endif | |
399 | ||
5e0074c2 | 400 | if (len == -1ULL) |
3baddf24 JA |
401 | len = f->io_size; |
402 | if (off == -1ULL) | |
403 | off = f->file_offset; | |
ee56ad50 | 404 | |
0d1cd207 JA |
405 | if (len == -1ULL || off == -1ULL) |
406 | return 0; | |
407 | ||
3baddf24 JA |
408 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
409 | len); | |
b5af8293 | 410 | |
d9b100fc JA |
411 | if (td->io_ops->invalidate) |
412 | ret = td->io_ops->invalidate(td, f); | |
03a32636 | 413 | else if (f->filetype == FIO_TYPE_FILE) |
ecc314ba | 414 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
03a32636 | 415 | else if (f->filetype == FIO_TYPE_BD) { |
2b9f9141 KR |
416 | int retry_count = 0; |
417 | ||
ecc314ba | 418 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
419 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
420 | /* | |
421 | * Linux multipath devices reject ioctl while | |
422 | * the maps are being updated. That window can | |
423 | * last tens of milliseconds; we'll try up to | |
424 | * a quarter of a second. | |
425 | */ | |
426 | usleep(10000); | |
427 | ret = blockdev_invalidate_cache(f); | |
428 | } | |
7e0e25c9 | 429 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 430 | if (!root_warn) { |
5ec10eaa JA |
431 | log_err("fio: only root may flush block " |
432 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
433 | root_warn = 1; |
434 | } | |
7e0e25c9 JA |
435 | ret = 0; |
436 | } | |
b5605e9d | 437 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
438 | ret = 0; |
439 | ||
dfe11fd1 JA |
440 | /* |
441 | * Cache flushing isn't a fatal condition, and we know it will | |
442 | * happen on some platforms where we don't have the proper | |
443 | * function to flush eg block device caches. So just warn and | |
444 | * continue on our way. | |
445 | */ | |
446 | if (ret) { | |
447 | log_info("fio: cache invalidation of %s failed: %s\n", f->file_name, strerror(errno)); | |
448 | ret = 0; | |
e5b401d4 JA |
449 | } |
450 | ||
dfe11fd1 | 451 | return 0; |
3baddf24 JA |
452 | |
453 | } | |
454 | ||
455 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
456 | { | |
d6aed795 | 457 | if (!fio_file_open(f)) |
a5fb461f JA |
458 | return 0; |
459 | ||
5e0074c2 | 460 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
461 | } |
462 | ||
6977bcd0 | 463 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 464 | { |
6977bcd0 JA |
465 | int ret = 0; |
466 | ||
ee56ad50 | 467 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
468 | |
469 | remove_file_hash(f); | |
470 | ||
6977bcd0 JA |
471 | if (close(f->fd) < 0) |
472 | ret = errno; | |
473 | ||
b5af8293 | 474 | f->fd = -1; |
e6c4d732 JA |
475 | |
476 | if (f->shadow_fd != -1) { | |
477 | close(f->shadow_fd); | |
478 | f->shadow_fd = -1; | |
479 | } | |
480 | ||
57e54e08 | 481 | f->engine_data = 0; |
6977bcd0 | 482 | return ret; |
53cdc686 JA |
483 | } |
484 | ||
1ccc6dc7 | 485 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 486 | { |
29c1349f | 487 | struct fio_file *__f; |
4d4e80f2 JA |
488 | int from_hash; |
489 | ||
490 | __f = lookup_file_hash(f->file_name); | |
491 | if (__f) { | |
9efef3c4 | 492 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
493 | /* |
494 | * racy, need the __f->lock locked | |
495 | */ | |
496 | f->lock = __f->lock; | |
4d4e80f2 JA |
497 | from_hash = 1; |
498 | } else { | |
9efef3c4 | 499 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
500 | from_hash = 0; |
501 | } | |
502 | ||
9c0f3f32 BC |
503 | #ifdef WIN32 |
504 | flags |= _O_BINARY; | |
505 | #endif | |
506 | ||
e8670ef8 | 507 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
508 | return from_hash; |
509 | } | |
510 | ||
e6c4d732 JA |
511 | static int file_close_shadow_fds(struct thread_data *td) |
512 | { | |
513 | struct fio_file *f; | |
514 | int num_closed = 0; | |
515 | unsigned int i; | |
516 | ||
517 | for_each_file(td, f, i) { | |
518 | if (f->shadow_fd == -1) | |
519 | continue; | |
520 | ||
521 | close(f->shadow_fd); | |
522 | f->shadow_fd = -1; | |
523 | num_closed++; | |
524 | } | |
525 | ||
526 | return num_closed; | |
527 | } | |
528 | ||
4d4e80f2 JA |
529 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
530 | { | |
66159828 | 531 | int is_std = 0; |
53cdc686 | 532 | int flags = 0; |
29c1349f | 533 | int from_hash = 0; |
53cdc686 | 534 | |
ee56ad50 JA |
535 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
536 | ||
66159828 JA |
537 | if (!strcmp(f->file_name, "-")) { |
538 | if (td_rw(td)) { | |
539 | log_err("fio: can't read/write to stdin/out\n"); | |
540 | return 1; | |
541 | } | |
542 | is_std = 1; | |
ce98fa66 JA |
543 | |
544 | /* | |
545 | * move output logging to stderr, if we are writing to stdout | |
546 | */ | |
547 | if (td_write(td)) | |
548 | f_out = stderr; | |
66159828 JA |
549 | } |
550 | ||
6eaf09d6 SL |
551 | if (td_trim(td)) |
552 | goto skip_flags; | |
2dc1bbeb | 553 | if (td->o.odirect) |
2fd233b7 | 554 | flags |= OS_O_DIRECT; |
d01612f3 CM |
555 | if (td->o.oatomic) { |
556 | if (!FIO_O_ATOMIC) { | |
557 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
558 | return 1; | |
559 | } | |
560 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
561 | } | |
2dc1bbeb | 562 | if (td->o.sync_io) |
2fd233b7 | 563 | flags |= O_SYNC; |
2378826d | 564 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 565 | flags |= O_CREAT; |
6eaf09d6 SL |
566 | skip_flags: |
567 | if (f->filetype != FIO_TYPE_FILE) | |
568 | flags |= FIO_O_NOATIME; | |
53cdc686 | 569 | |
056f3459 | 570 | open_again: |
660a1cb5 | 571 | if (td_write(td)) { |
17308158 JA |
572 | if (!read_only) |
573 | flags |= O_RDWR; | |
53cdc686 | 574 | |
2378826d | 575 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 576 | flags |= O_CREAT; |
2fd233b7 | 577 | |
66159828 JA |
578 | if (is_std) |
579 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
580 | else |
581 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 582 | } else if (td_read(td)) { |
4241ea8f | 583 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
584 | flags |= O_RDWR; |
585 | else | |
586 | flags |= O_RDONLY; | |
587 | ||
66159828 JA |
588 | if (is_std) |
589 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
590 | else |
591 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 SL |
592 | } else { //td trim |
593 | flags |= O_RDWR; | |
594 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
595 | } |
596 | ||
597 | if (f->fd == -1) { | |
e4e33258 | 598 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
599 | int __e = errno; |
600 | ||
835d9b9e | 601 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 602 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
603 | goto open_again; |
604 | } | |
e6c4d732 JA |
605 | if (__e == EMFILE && file_close_shadow_fds(td)) |
606 | goto open_again; | |
056f3459 | 607 | |
98ffb8f3 | 608 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 609 | |
a93c5f04 JA |
610 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
611 | log_err("fio: looks like your file system does not " \ | |
612 | "support direct=1/buffered=0\n"); | |
613 | } | |
614 | ||
e4e33258 | 615 | td_verror(td, __e, buf); |
3ce3ad33 | 616 | return 1; |
53cdc686 JA |
617 | } |
618 | ||
29c1349f JA |
619 | if (!from_hash && f->fd != -1) { |
620 | if (add_file_hash(f)) { | |
3f0ca9b9 | 621 | int fio_unused ret; |
29c1349f JA |
622 | |
623 | /* | |
e6c4d732 JA |
624 | * Stash away descriptor for later close. This is to |
625 | * work-around a "feature" on Linux, where a close of | |
626 | * an fd that has been opened for write will trigger | |
627 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 628 | * That pollutes the device cache, which can slow down |
e6c4d732 | 629 | * unbuffered accesses. |
29c1349f | 630 | */ |
e6c4d732 JA |
631 | if (f->shadow_fd == -1) |
632 | f->shadow_fd = f->fd; | |
633 | else { | |
634 | /* | |
635 | * OK to ignore, we haven't done anything | |
636 | * with it | |
637 | */ | |
638 | ret = generic_close_file(td, f); | |
639 | } | |
29c1349f JA |
640 | goto open_again; |
641 | } | |
642 | } | |
4906e0b5 | 643 | |
53cdc686 | 644 | return 0; |
b5af8293 JA |
645 | } |
646 | ||
df9c26b1 | 647 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 648 | { |
df9c26b1 | 649 | return get_file_size(td, f); |
21972cde JA |
650 | } |
651 | ||
7bb48f84 JA |
652 | /* |
653 | * open/close all files, so that ->real_file_size gets set | |
654 | */ | |
bab3fd58 | 655 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
656 | { |
657 | struct fio_file *f; | |
658 | unsigned int i; | |
bab3fd58 | 659 | int err = 0; |
7bb48f84 JA |
660 | |
661 | for_each_file(td, f, i) { | |
5ec10eaa JA |
662 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
663 | f->file_name); | |
9efef3c4 | 664 | |
99a47c69 | 665 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
666 | if (td->error != ENOENT) { |
667 | log_err("%s\n", td->verror); | |
668 | err = 1; | |
3ce3ad33 | 669 | break; |
40b44f4a | 670 | } |
541d66d7 | 671 | clear_error(td); |
07eb79df | 672 | } |
409b3417 JA |
673 | |
674 | if (f->real_file_size == -1ULL && td->o.size) | |
675 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 676 | } |
bab3fd58 JA |
677 | |
678 | return err; | |
7bb48f84 JA |
679 | } |
680 | ||
2e3bd4c2 JA |
681 | struct fio_mount { |
682 | struct flist_head list; | |
683 | const char *base; | |
684 | char __base[256]; | |
685 | unsigned int key; | |
686 | }; | |
687 | ||
688 | /* | |
689 | * Get free number of bytes for each file on each unique mount. | |
690 | */ | |
691 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
692 | { | |
693 | struct flist_head *n, *tmp; | |
68b0316f | 694 | unsigned long long ret = 0; |
2e3bd4c2 JA |
695 | struct fio_mount *fm; |
696 | FLIST_HEAD(list); | |
697 | struct fio_file *f; | |
698 | unsigned int i; | |
699 | ||
700 | for_each_file(td, f, i) { | |
701 | struct stat sb; | |
702 | char buf[256]; | |
703 | ||
4ccdccd1 JA |
704 | if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) { |
705 | if (f->real_file_size != -1ULL) | |
706 | ret += f->real_file_size; | |
68b0316f JA |
707 | continue; |
708 | } else if (f->filetype != FIO_TYPE_FILE) | |
709 | continue; | |
710 | ||
da27a4bf JA |
711 | buf[255] = '\0'; |
712 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
713 | |
714 | if (stat(buf, &sb) < 0) { | |
715 | if (errno != ENOENT) | |
716 | break; | |
717 | strcpy(buf, "."); | |
718 | if (stat(buf, &sb) < 0) | |
719 | break; | |
720 | } | |
721 | ||
722 | fm = NULL; | |
723 | flist_for_each(n, &list) { | |
724 | fm = flist_entry(n, struct fio_mount, list); | |
725 | if (fm->key == sb.st_dev) | |
726 | break; | |
727 | ||
728 | fm = NULL; | |
729 | } | |
730 | ||
731 | if (fm) | |
732 | continue; | |
733 | ||
3660ceae JA |
734 | fm = calloc(1, sizeof(*fm)); |
735 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
736 | fm->base = basename(fm->__base); |
737 | fm->key = sb.st_dev; | |
738 | flist_add(&fm->list, &list); | |
739 | } | |
740 | ||
2e3bd4c2 JA |
741 | flist_for_each_safe(n, tmp, &list) { |
742 | unsigned long long sz; | |
743 | ||
744 | fm = flist_entry(n, struct fio_mount, list); | |
745 | flist_del(&fm->list); | |
746 | ||
c08ad04c | 747 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
748 | if (sz && sz != -1ULL) |
749 | ret += sz; | |
750 | ||
751 | free(fm); | |
752 | } | |
753 | ||
754 | return ret; | |
755 | } | |
756 | ||
bedc9dc2 | 757 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 758 | { |
bedc9dc2 JA |
759 | struct thread_options *o = &td->o; |
760 | ||
761 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
762 | return f->real_file_size; | |
763 | ||
ce95d651 | 764 | return td->o.start_offset + |
69bdd6ba | 765 | td->subjob_number * td->o.offset_increment; |
ce95d651 DE |
766 | } |
767 | ||
7bb48f84 JA |
768 | /* |
769 | * Open the files and setup files sizes, creating files if necessary. | |
770 | */ | |
53cdc686 JA |
771 | int setup_files(struct thread_data *td) |
772 | { | |
7bb48f84 | 773 | unsigned long long total_size, extend_size; |
de98bd30 | 774 | struct thread_options *o = &td->o; |
53cdc686 | 775 | struct fio_file *f; |
002fe734 | 776 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 777 | int err = 0, need_extend; |
e90391eb | 778 | int old_state; |
002fe734 JA |
779 | const unsigned int bs = td_min_bs(td); |
780 | uint64_t fs = 0; | |
53cdc686 | 781 | |
ee56ad50 JA |
782 | dprint(FD_FILE, "setup files\n"); |
783 | ||
8edd973d | 784 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 785 | |
de98bd30 | 786 | if (o->read_iolog_file) |
25460cf6 | 787 | goto done; |
691c8fb0 | 788 | |
53cdc686 JA |
789 | /* |
790 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
791 | * opening the files and setting f->real_file_size to indicate |
792 | * the valid range for that file. | |
53cdc686 JA |
793 | */ |
794 | if (td->io_ops->setup) | |
7bb48f84 JA |
795 | err = td->io_ops->setup(td); |
796 | else | |
bab3fd58 | 797 | err = get_file_sizes(td); |
53cdc686 | 798 | |
f1027063 | 799 | if (err) |
e90391eb | 800 | goto err_out; |
f1027063 | 801 | |
0a7eb121 | 802 | /* |
7bb48f84 JA |
803 | * check sizes. if the files/devices do not exist and the size |
804 | * isn't passed to fio, abort. | |
0a7eb121 | 805 | */ |
7bb48f84 JA |
806 | total_size = 0; |
807 | for_each_file(td, f, i) { | |
808 | if (f->real_file_size == -1ULL) | |
809 | total_size = -1ULL; | |
810 | else | |
811 | total_size += f->real_file_size; | |
812 | } | |
0a7eb121 | 813 | |
de98bd30 | 814 | if (o->fill_device) |
2e3bd4c2 JA |
815 | td->fill_device_size = get_fs_free_counts(td); |
816 | ||
7bb48f84 JA |
817 | /* |
818 | * device/file sizes are zero and no size given, punt | |
819 | */ | |
de98bd30 JA |
820 | if ((!total_size || total_size == -1ULL) && !o->size && |
821 | !(td->io_ops->flags & FIO_NOIO) && !o->fill_device && | |
822 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { | |
823 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 824 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 825 | goto err_out; |
53cdc686 JA |
826 | } |
827 | ||
002fe734 JA |
828 | /* |
829 | * Calculate per-file size and potential extra size for the | |
830 | * first files, if needed. | |
831 | */ | |
d1e78e6b | 832 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
833 | uint64_t all_fs; |
834 | ||
835 | fs = o->size / o->nr_files; | |
836 | all_fs = fs * o->nr_files; | |
837 | ||
838 | if (all_fs < o->size) | |
839 | nr_fs_extra = (o->size - all_fs) / bs; | |
840 | } | |
841 | ||
7bb48f84 JA |
842 | /* |
843 | * now file sizes are known, so we can set ->io_size. if size= is | |
844 | * not given, ->io_size is just equal to ->real_file_size. if size | |
845 | * is given, ->io_size is size / nr_files. | |
846 | */ | |
847 | extend_size = total_size = 0; | |
848 | need_extend = 0; | |
849 | for_each_file(td, f, i) { | |
bedc9dc2 | 850 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 851 | |
de98bd30 | 852 | if (!o->file_size_low) { |
7bb48f84 JA |
853 | /* |
854 | * no file size range given, file size is equal to | |
002fe734 JA |
855 | * total size divided by number of files. If that is |
856 | * zero, set it to the real file size. If the size | |
857 | * doesn't divide nicely with the min blocksize, | |
858 | * make the first files bigger. | |
7bb48f84 | 859 | */ |
002fe734 JA |
860 | f->io_size = fs; |
861 | if (nr_fs_extra) { | |
862 | nr_fs_extra--; | |
863 | f->io_size += bs; | |
864 | } | |
865 | ||
65bdb10a | 866 | if (!f->io_size) |
273f8c91 | 867 | f->io_size = f->real_file_size - f->file_offset; |
de98bd30 JA |
868 | } else if (f->real_file_size < o->file_size_low || |
869 | f->real_file_size > o->file_size_high) { | |
870 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 871 | goto err_offset; |
7bb48f84 JA |
872 | /* |
873 | * file size given. if it's fixed, use that. if it's a | |
874 | * range, generate a random size in-between. | |
875 | */ | |
de98bd30 JA |
876 | if (o->file_size_low == o->file_size_high) |
877 | f->io_size = o->file_size_low - f->file_offset; | |
878 | else { | |
5ec10eaa JA |
879 | f->io_size = get_rand_file_size(td) |
880 | - f->file_offset; | |
881 | } | |
65bdb10a | 882 | } else |
bcdedd0a | 883 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 884 | |
7bb48f84 JA |
885 | if (f->io_size == -1ULL) |
886 | total_size = -1ULL; | |
4d002569 | 887 | else { |
de98bd30 JA |
888 | if (o->size_percent) |
889 | f->io_size = (f->io_size * o->size_percent) / 100; | |
7bb48f84 | 890 | total_size += f->io_size; |
4d002569 | 891 | } |
7bb48f84 JA |
892 | |
893 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 894 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 | 895 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
de98bd30 | 896 | if (!o->create_on_open) { |
814452bd JA |
897 | need_extend++; |
898 | extend_size += (f->io_size + f->file_offset); | |
899 | } else | |
900 | f->real_file_size = f->io_size + f->file_offset; | |
d6aed795 | 901 | fio_file_set_extend(f); |
5ec10eaa | 902 | } |
7bb48f84 | 903 | } |
53cdc686 | 904 | |
66347cfa DE |
905 | if (td->o.block_error_hist) { |
906 | int len; | |
907 | ||
908 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
909 | f = td->files[0]; | |
910 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
911 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
912 | log_err("fio: cannot calculate block histogram with " | |
913 | "%d trim blocks, maximum %d\n", | |
914 | len, MAX_NR_BLOCK_INFOS); | |
915 | td_verror(td, EINVAL, "block_error_hist"); | |
916 | goto err_out; | |
917 | } | |
918 | ||
919 | td->ts.nr_block_infos = len; | |
8a68c41c | 920 | for (i = 0; i < len; i++) |
66347cfa DE |
921 | td->ts.block_infos[i] = |
922 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
923 | } else | |
924 | td->ts.nr_block_infos = 0; | |
925 | ||
0bc27b0b | 926 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 927 | o->size = total_size; |
21972cde | 928 | |
d1faa06d JA |
929 | if (o->size < td_min_bs(td)) { |
930 | log_err("fio: blocksize too large for data set\n"); | |
931 | goto err_out; | |
932 | } | |
933 | ||
7bb48f84 JA |
934 | /* |
935 | * See if we need to extend some files | |
936 | */ | |
937 | if (need_extend) { | |
938 | temp_stall_ts = 1; | |
129fb2d4 | 939 | if (output_format & FIO_OUTPUT_NORMAL) |
a7ba8c5f | 940 | log_info("%s: Laying out IO file(s) (%u file(s) /" |
de98bd30 | 941 | " %lluMB)\n", o->name, need_extend, |
a7ba8c5f | 942 | extend_size >> 20); |
7bb48f84 JA |
943 | |
944 | for_each_file(td, f, i) { | |
5e0074c2 | 945 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 946 | |
d6aed795 | 947 | if (!fio_file_extend(f)) |
7bb48f84 JA |
948 | continue; |
949 | ||
409b3417 | 950 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 951 | fio_file_clear_extend(f); |
de98bd30 | 952 | if (!o->fill_device) { |
5e0074c2 | 953 | old_len = f->real_file_size; |
0b9d69ec JA |
954 | extend_len = f->io_size + f->file_offset - |
955 | old_len; | |
5e0074c2 | 956 | } |
bcdedd0a | 957 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
958 | err = extend_file(td, f); |
959 | if (err) | |
3baddf24 | 960 | break; |
5e0074c2 | 961 | |
3baddf24 JA |
962 | err = __file_invalidate_cache(td, f, old_len, |
963 | extend_len); | |
9824f73b JA |
964 | |
965 | /* | |
966 | * Shut up static checker | |
967 | */ | |
968 | if (f->fd != -1) | |
969 | close(f->fd); | |
970 | ||
3baddf24 JA |
971 | f->fd = -1; |
972 | if (err) | |
7bb48f84 JA |
973 | break; |
974 | } | |
975 | temp_stall_ts = 0; | |
976 | } | |
977 | ||
978 | if (err) | |
e90391eb | 979 | goto err_out; |
7bb48f84 | 980 | |
de98bd30 JA |
981 | if (!o->zone_size) |
982 | o->zone_size = o->size; | |
7bb48f84 | 983 | |
ea966f81 JA |
984 | /* |
985 | * iolog already set the total io size, if we read back | |
986 | * stored entries. | |
987 | */ | |
77731b29 JA |
988 | if (!o->read_iolog_file) { |
989 | if (o->io_limit) | |
990 | td->total_io_size = o->io_limit * o->loops; | |
991 | else | |
992 | td->total_io_size = o->size * o->loops; | |
993 | } | |
25460cf6 JA |
994 | |
995 | done: | |
de98bd30 | 996 | if (o->create_only) |
25460cf6 JA |
997 | td->done = 1; |
998 | ||
8edd973d | 999 | td_restore_runstate(td, old_state); |
7bb48f84 | 1000 | return 0; |
bcdedd0a | 1001 | err_offset: |
de98bd30 | 1002 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1003 | err_out: |
8edd973d | 1004 | td_restore_runstate(td, old_state); |
bcdedd0a | 1005 | return 1; |
53cdc686 JA |
1006 | } |
1007 | ||
afad68f7 ZY |
1008 | int pre_read_files(struct thread_data *td) |
1009 | { | |
1010 | struct fio_file *f; | |
1011 | unsigned int i; | |
1012 | ||
1013 | dprint(FD_FILE, "pre_read files\n"); | |
1014 | ||
1015 | for_each_file(td, f, i) { | |
1016 | pre_read_file(td, f); | |
1017 | } | |
1018 | ||
1019 | return 1; | |
1020 | } | |
1021 | ||
9c6f6316 JA |
1022 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1023 | { | |
2316296a | 1024 | unsigned int range_size, seed; |
9c6f6316 | 1025 | unsigned long nranges; |
42da5c8b | 1026 | uint64_t fsize; |
9c6f6316 JA |
1027 | |
1028 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1029 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1030 | |
42da5c8b | 1031 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1032 | |
2316296a | 1033 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1034 | if (!td->o.rand_repeatable) |
1035 | seed = td->rand_seeds[4]; | |
1036 | ||
9c6f6316 | 1037 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1038 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1039 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1040 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1041 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1042 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1043 | |
1044 | return 1; | |
1045 | } | |
1046 | ||
1047 | static int init_rand_distribution(struct thread_data *td) | |
1048 | { | |
1049 | struct fio_file *f; | |
1050 | unsigned int i; | |
1051 | int state; | |
1052 | ||
1053 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1054 | return 0; | |
1055 | ||
8edd973d JA |
1056 | state = td_bump_runstate(td, TD_SETTING_UP); |
1057 | ||
9c6f6316 JA |
1058 | for_each_file(td, f, i) |
1059 | __init_rand_distribution(td, f); | |
8edd973d JA |
1060 | |
1061 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1062 | |
1063 | return 1; | |
1064 | } | |
1065 | ||
75f90d5f JA |
1066 | /* |
1067 | * Check if the number of blocks exceeds the randomness capability of | |
1068 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1069 | * 64-bit capable. | |
1070 | */ | |
1071 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1072 | uint64_t blocks) | |
1073 | { | |
1074 | if (blocks <= FRAND32_MAX) | |
1075 | return 0; | |
1076 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1077 | return 0; | |
1078 | ||
1079 | /* | |
1080 | * If the user hasn't specified a random generator, switch | |
1081 | * to tausworthe64 with informational warning. If the user did | |
1082 | * specify one, just warn. | |
1083 | */ | |
1084 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1085 | f->file_name); | |
1086 | ||
1087 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1088 | log_info("fio: Switching to tausworthe64. Use the " | |
1089 | "random_generator= option to get rid of this " | |
1090 | " warning.\n"); | |
1091 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; | |
1092 | return 0; | |
1093 | } | |
1094 | ||
1095 | /* | |
1096 | * Just make this information to avoid breaking scripts. | |
1097 | */ | |
1098 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1099 | "tausworthe64.\n"); | |
1100 | return 0; | |
1101 | } | |
1102 | ||
68727076 JA |
1103 | int init_random_map(struct thread_data *td) |
1104 | { | |
51ede0b1 | 1105 | unsigned long long blocks; |
68727076 JA |
1106 | struct fio_file *f; |
1107 | unsigned int i; | |
1108 | ||
9c6f6316 JA |
1109 | if (init_rand_distribution(td)) |
1110 | return 0; | |
3831a843 | 1111 | if (!td_random(td)) |
68727076 JA |
1112 | return 0; |
1113 | ||
1114 | for_each_file(td, f, i) { | |
42da5c8b | 1115 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1116 | |
42da5c8b | 1117 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1118 | |
75f90d5f | 1119 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1120 | return 1; |
37fbd7e9 | 1121 | |
8055e41d | 1122 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1123 | unsigned long seed; |
1124 | ||
1125 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1126 | |
967d1b63 JA |
1127 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1128 | fio_file_set_lfsr(f); | |
8055e41d | 1129 | continue; |
967d1b63 | 1130 | } |
3831a843 | 1131 | } else if (!td->o.norandommap) { |
7ebd796f | 1132 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1133 | if (f->io_axmap) { |
1134 | fio_file_set_axmap(f); | |
8055e41d | 1135 | continue; |
967d1b63 | 1136 | } |
1cad7121 JA |
1137 | } else if (td->o.norandommap) |
1138 | continue; | |
ceadd59e | 1139 | |
2b386d25 | 1140 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1141 | log_err("fio: failed allocating random map. If running" |
1142 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1143 | " option or set 'softrandommap'. Or give" |
1144 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1145 | return 1; |
1146 | } | |
303032ae JA |
1147 | |
1148 | log_info("fio: file %s failed allocating random map. Running " | |
1149 | "job without.\n", f->file_name); | |
68727076 JA |
1150 | } |
1151 | ||
1152 | return 0; | |
1153 | } | |
1154 | ||
53cdc686 JA |
1155 | void close_files(struct thread_data *td) |
1156 | { | |
0ab8db89 | 1157 | struct fio_file *f; |
af52b345 | 1158 | unsigned int i; |
53cdc686 | 1159 | |
2be3eec3 JA |
1160 | for_each_file(td, f, i) { |
1161 | if (fio_file_open(f)) | |
1162 | td_io_close_file(td, f); | |
1163 | } | |
24ffd2c2 JA |
1164 | } |
1165 | ||
1166 | void close_and_free_files(struct thread_data *td) | |
1167 | { | |
1168 | struct fio_file *f; | |
1169 | unsigned int i; | |
1170 | ||
ee56ad50 JA |
1171 | dprint(FD_FILE, "close files\n"); |
1172 | ||
0ab8db89 | 1173 | for_each_file(td, f, i) { |
38ef9c90 CF |
1174 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1175 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1176 | td_io_unlink_file(td, f); | |
1177 | } | |
1178 | ||
22a57ba8 JA |
1179 | if (fio_file_open(f)) |
1180 | td_io_close_file(td, f); | |
1181 | ||
b9fbcf21 | 1182 | remove_file_hash(f); |
b3dc7f07 | 1183 | |
b5f4d8ba JA |
1184 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1185 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1186 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1187 | } |
1188 | ||
f17c4392 | 1189 | sfree(f->file_name); |
fa1da865 | 1190 | f->file_name = NULL; |
967d1b63 JA |
1191 | if (fio_file_axmap(f)) { |
1192 | axmap_free(f->io_axmap); | |
1193 | f->io_axmap = NULL; | |
1194 | } | |
78d99e6a | 1195 | sfree(f); |
53cdc686 | 1196 | } |
b4a6a59a | 1197 | |
2dc1bbeb | 1198 | td->o.filename = NULL; |
cade3ef4 | 1199 | free(td->files); |
d7df1d13 | 1200 | free(td->file_locks); |
9efef3c4 | 1201 | td->files_index = 0; |
b4a6a59a | 1202 | td->files = NULL; |
d7df1d13 | 1203 | td->file_locks = NULL; |
27ddbfa0 | 1204 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1205 | td->o.nr_files = 0; |
53cdc686 | 1206 | } |
af52b345 | 1207 | |
e3bab463 | 1208 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1209 | { |
1210 | struct stat sb; | |
1211 | ||
66159828 JA |
1212 | if (!strcmp(f->file_name, "-")) |
1213 | f->filetype = FIO_TYPE_PIPE; | |
1214 | else | |
1215 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1216 | |
3892182a BC |
1217 | /* \\.\ is the device namespace in Windows, where every file is |
1218 | * a block device */ | |
1219 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
1220 | f->filetype = FIO_TYPE_BD; | |
1221 | ||
b30d395e | 1222 | if (!stat(f->file_name, &sb)) { |
3892182a | 1223 | if (S_ISBLK(sb.st_mode)) |
af52b345 JA |
1224 | f->filetype = FIO_TYPE_BD; |
1225 | else if (S_ISCHR(sb.st_mode)) | |
1226 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1227 | else if (S_ISFIFO(sb.st_mode)) |
1228 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1229 | } |
1230 | } | |
1231 | ||
90426237 | 1232 | static int __is_already_allocated(const char *fname) |
190b8f0c | 1233 | { |
90426237 JA |
1234 | struct flist_head *entry; |
1235 | char *filename; | |
bcbfeefa | 1236 | |
90426237 JA |
1237 | if (flist_empty(&filename_list)) |
1238 | return 0; | |
1239 | ||
1240 | flist_for_each(entry, &filename_list) { | |
1241 | filename = flist_entry(entry, struct file_name, list)->filename; | |
1242 | ||
1243 | if (strcmp(filename, fname) == 0) | |
1244 | return 1; | |
1245 | } | |
1246 | ||
1247 | return 0; | |
bcbfeefa CE |
1248 | } |
1249 | ||
1250 | static int is_already_allocated(const char *fname) | |
1251 | { | |
90426237 | 1252 | int ret; |
bcbfeefa | 1253 | |
90426237 JA |
1254 | fio_file_hash_lock(); |
1255 | ret = __is_already_allocated(fname); | |
1256 | fio_file_hash_unlock(); | |
1257 | return ret; | |
1258 | } | |
bcbfeefa | 1259 | |
90426237 JA |
1260 | static void set_already_allocated(const char *fname) |
1261 | { | |
1262 | struct file_name *fn; | |
1263 | ||
1264 | fn = malloc(sizeof(struct file_name)); | |
1265 | fn->filename = strdup(fname); | |
1266 | ||
1267 | fio_file_hash_lock(); | |
1268 | if (!__is_already_allocated(fname)) { | |
1269 | flist_add_tail(&fn->list, &filename_list); | |
1270 | fn = NULL; | |
bcbfeefa | 1271 | } |
90426237 | 1272 | fio_file_hash_unlock(); |
bcbfeefa | 1273 | |
90426237 JA |
1274 | if (fn) { |
1275 | free(fn->filename); | |
1276 | free(fn); | |
1277 | } | |
bcbfeefa CE |
1278 | } |
1279 | ||
90426237 | 1280 | |
190b8f0c CF |
1281 | static void free_already_allocated(void) |
1282 | { | |
bcbfeefa CE |
1283 | struct flist_head *entry, *tmp; |
1284 | struct file_name *fn; | |
1285 | ||
90426237 JA |
1286 | if (flist_empty(&filename_list)) |
1287 | return; | |
1288 | ||
1289 | fio_file_hash_lock(); | |
1290 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1291 | fn = flist_entry(entry, struct file_name, list); | |
1292 | free(fn->filename); | |
1293 | flist_del(&fn->list); | |
1294 | free(fn); | |
bcbfeefa | 1295 | } |
90426237 JA |
1296 | |
1297 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1298 | } |
1299 | ||
7b5cb700 JA |
1300 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1301 | { | |
1302 | struct fio_file *f; | |
1303 | ||
1304 | f = smalloc(sizeof(*f)); | |
1305 | if (!f) { | |
1306 | log_err("fio: smalloc OOM\n"); | |
1307 | assert(0); | |
1308 | return NULL; | |
1309 | } | |
1310 | ||
1311 | f->fd = -1; | |
1312 | f->shadow_fd = -1; | |
1313 | fio_file_reset(td, f); | |
1314 | return f; | |
1315 | } | |
1316 | ||
5903e7b7 | 1317 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1318 | { |
7b4e4fe5 | 1319 | int cur_files = td->files_index; |
bd0ee748 | 1320 | char file_name[PATH_MAX]; |
af52b345 | 1321 | struct fio_file *f; |
bd0ee748 | 1322 | int len = 0; |
af52b345 | 1323 | |
ee56ad50 JA |
1324 | dprint(FD_FILE, "add file %s\n", fname); |
1325 | ||
bcbfeefa | 1326 | if (td->o.directory) |
e13c3b50 | 1327 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob); |
bcbfeefa CE |
1328 | |
1329 | sprintf(file_name + len, "%s", fname); | |
1330 | ||
1331 | /* clean cloned siblings using existing files */ | |
1332 | if (numjob && is_already_allocated(file_name)) | |
1333 | return 0; | |
1334 | ||
7b5cb700 | 1335 | f = alloc_new_file(td); |
bd0ee748 | 1336 | |
fc99bc0d | 1337 | if (td->files_size <= td->files_index) { |
1983e327 | 1338 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1339 | |
fc99bc0d JA |
1340 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1341 | ||
1342 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1343 | if (td->files == NULL) { |
1344 | log_err("fio: realloc OOM\n"); | |
1345 | assert(0); | |
1346 | } | |
d7df1d13 JA |
1347 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1348 | td->file_locks = realloc(td->file_locks, new_size); | |
1349 | if (!td->file_locks) { | |
1350 | log_err("fio: realloc OOM\n"); | |
1351 | assert(0); | |
1352 | } | |
1353 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1354 | } | |
fc99bc0d JA |
1355 | td->files_size = new_size; |
1356 | } | |
8bb7679e | 1357 | td->files[cur_files] = f; |
89ac1d48 | 1358 | f->fileno = cur_files; |
126d65c6 | 1359 | |
07eb79df JA |
1360 | /* |
1361 | * init function, io engine may not be loaded yet | |
1362 | */ | |
1363 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
1364 | f->real_file_size = -1ULL; | |
1365 | ||
f17c4392 | 1366 | f->file_name = smalloc_strdup(file_name); |
c48c0be7 JA |
1367 | if (!f->file_name) { |
1368 | log_err("fio: smalloc OOM\n"); | |
1369 | assert(0); | |
1370 | } | |
0b9d69ec | 1371 | |
e3bab463 | 1372 | get_file_type(f); |
af52b345 | 1373 | |
4d4e80f2 JA |
1374 | switch (td->o.file_lock_mode) { |
1375 | case FILE_LOCK_NONE: | |
1376 | break; | |
1377 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1378 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1379 | break; |
1380 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1381 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1382 | break; |
1383 | default: | |
1384 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1385 | assert(0); | |
1386 | } | |
29c1349f | 1387 | |
7b4e4fe5 | 1388 | td->files_index++; |
1549441c JA |
1389 | if (f->filetype == FIO_TYPE_FILE) |
1390 | td->nr_normal_files++; | |
f29b25a3 | 1391 | |
bcbfeefa CE |
1392 | set_already_allocated(file_name); |
1393 | ||
5903e7b7 JA |
1394 | if (inc) |
1395 | td->o.nr_files++; | |
1396 | ||
5ec10eaa JA |
1397 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1398 | cur_files); | |
9efef3c4 | 1399 | |
f29b25a3 | 1400 | return cur_files; |
af52b345 | 1401 | } |
0ad920e7 | 1402 | |
49ffb4a2 JA |
1403 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1404 | { | |
1405 | struct fio_file *f; | |
1406 | unsigned int i; | |
1407 | ||
1408 | for_each_file(td, f, i) { | |
1409 | if (!strcmp(f->file_name, fname)) | |
1410 | return i; | |
1411 | } | |
1412 | ||
5903e7b7 | 1413 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1414 | } |
1415 | ||
0ad920e7 JA |
1416 | void get_file(struct fio_file *f) |
1417 | { | |
8172fe97 | 1418 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1419 | assert(fio_file_open(f)); |
0ad920e7 JA |
1420 | f->references++; |
1421 | } | |
1422 | ||
6977bcd0 | 1423 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1424 | { |
98e1ac4e | 1425 | int f_ret = 0, ret = 0; |
6977bcd0 | 1426 | |
8172fe97 | 1427 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1428 | |
22a57ba8 JA |
1429 | if (!fio_file_open(f)) { |
1430 | assert(f->fd == -1); | |
6977bcd0 | 1431 | return 0; |
22a57ba8 | 1432 | } |
0ad920e7 JA |
1433 | |
1434 | assert(f->references); | |
1435 | if (--f->references) | |
6977bcd0 | 1436 | return 0; |
0ad920e7 | 1437 | |
71b84caa | 1438 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1439 | f_ret = fsync(f->fd); |
71b84caa JA |
1440 | if (f_ret < 0) |
1441 | f_ret = errno; | |
1442 | } | |
ebb1415f | 1443 | |
0ad920e7 | 1444 | if (td->io_ops->close_file) |
6977bcd0 | 1445 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1446 | |
98e1ac4e | 1447 | if (!ret) |
a5fb461f | 1448 | ret = f_ret; |
98e1ac4e | 1449 | |
0ad920e7 | 1450 | td->nr_open_files--; |
d6aed795 | 1451 | fio_file_clear_open(f); |
22a57ba8 | 1452 | assert(f->fd == -1); |
6977bcd0 | 1453 | return ret; |
0ad920e7 | 1454 | } |
bbf6b540 | 1455 | |
4d4e80f2 | 1456 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1457 | { |
4d4e80f2 JA |
1458 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1459 | return; | |
29c1349f | 1460 | |
4d4e80f2 JA |
1461 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1462 | if (ddir == DDIR_READ) | |
d7df1d13 | 1463 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1464 | else |
d7df1d13 | 1465 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1466 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1467 | fio_mutex_down(f->lock); | |
1468 | ||
d7df1d13 | 1469 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1470 | } |
1471 | ||
4d4e80f2 | 1472 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1473 | { |
4d4e80f2 JA |
1474 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1475 | return; | |
4d4e80f2 | 1476 | |
d7df1d13 JA |
1477 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1478 | fio_rwlock_unlock(f->rwlock); | |
1479 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1480 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1481 | |
1482 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1483 | } |
1484 | ||
4d4e80f2 JA |
1485 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1486 | { | |
f2a2803a | 1487 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1488 | return; |
d7df1d13 JA |
1489 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1490 | unlock_file(td, f); | |
4d4e80f2 JA |
1491 | } |
1492 | ||
bbf6b540 JA |
1493 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1494 | { | |
1495 | struct dirent *dir; | |
1496 | int ret = 0; | |
1497 | DIR *D; | |
1498 | ||
1499 | D = opendir(dirname); | |
1500 | if (!D) { | |
0ddb270c JA |
1501 | char buf[FIO_VERROR_SIZE]; |
1502 | ||
98ffb8f3 | 1503 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1504 | td_verror(td, errno, buf); |
bbf6b540 JA |
1505 | return 1; |
1506 | } | |
1507 | ||
1508 | while ((dir = readdir(D)) != NULL) { | |
1509 | char full_path[PATH_MAX]; | |
1510 | struct stat sb; | |
1511 | ||
e85b2b83 JA |
1512 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1513 | continue; | |
96d32d51 | 1514 | |
b9fd788f | 1515 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1516 | |
1517 | if (lstat(full_path, &sb) == -1) { | |
1518 | if (errno != ENOENT) { | |
1519 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1520 | ret = 1; |
1521 | break; | |
bbf6b540 JA |
1522 | } |
1523 | } | |
1524 | ||
1525 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1526 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1527 | continue; |
1528 | } | |
0ddb270c JA |
1529 | if (!S_ISDIR(sb.st_mode)) |
1530 | continue; | |
bbf6b540 | 1531 | |
5ec10eaa JA |
1532 | ret = recurse_dir(td, full_path); |
1533 | if (ret) | |
bbf6b540 JA |
1534 | break; |
1535 | } | |
1536 | ||
1537 | closedir(D); | |
1538 | return ret; | |
1539 | } | |
1540 | ||
1541 | int add_dir_files(struct thread_data *td, const char *path) | |
1542 | { | |
0ddb270c JA |
1543 | int ret = recurse_dir(td, path); |
1544 | ||
1545 | if (!ret) | |
1546 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1547 | ||
1548 | return ret; | |
bbf6b540 | 1549 | } |
cade3ef4 JA |
1550 | |
1551 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1552 | { | |
1553 | struct fio_file *f; | |
1554 | unsigned int i; | |
9efef3c4 JA |
1555 | |
1556 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1557 | |
1558 | if (!org->files) | |
1559 | return; | |
1560 | ||
9efef3c4 | 1561 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1562 | |
d7df1d13 JA |
1563 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1564 | td->file_locks = malloc(org->files_index); | |
1565 | ||
9efef3c4 | 1566 | for_each_file(org, f, i) { |
b0fe421a JA |
1567 | struct fio_file *__f; |
1568 | ||
7b5cb700 | 1569 | __f = alloc_new_file(td); |
0b9d69ec | 1570 | |
bc3456fa | 1571 | if (f->file_name) { |
f17c4392 | 1572 | __f->file_name = smalloc_strdup(f->file_name); |
c48c0be7 JA |
1573 | if (!__f->file_name) { |
1574 | log_err("fio: smalloc OOM\n"); | |
1575 | assert(0); | |
1576 | } | |
0b9d69ec | 1577 | |
bc3456fa AC |
1578 | __f->filetype = f->filetype; |
1579 | } | |
b0fe421a | 1580 | |
67ad9242 JA |
1581 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1582 | __f->lock = f->lock; | |
1583 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1584 | __f->rwlock = f->rwlock; | |
1585 | ||
b0fe421a | 1586 | td->files[i] = __f; |
cade3ef4 JA |
1587 | } |
1588 | } | |
f29b25a3 JA |
1589 | |
1590 | /* | |
1591 | * Returns the index that matches the filename, or -1 if not there | |
1592 | */ | |
1593 | int get_fileno(struct thread_data *td, const char *fname) | |
1594 | { | |
1595 | struct fio_file *f; | |
1596 | unsigned int i; | |
1597 | ||
1598 | for_each_file(td, f, i) | |
1599 | if (!strcmp(f->file_name, fname)) | |
1600 | return i; | |
1601 | ||
1602 | return -1; | |
1603 | } | |
1604 | ||
1605 | /* | |
1606 | * For log usage, where we add/open/close files automatically | |
1607 | */ | |
1608 | void free_release_files(struct thread_data *td) | |
1609 | { | |
1610 | close_files(td); | |
66ee4002 JA |
1611 | td->o.nr_files = 0; |
1612 | td->o.open_files = 0; | |
f29b25a3 JA |
1613 | td->files_index = 0; |
1614 | td->nr_normal_files = 0; | |
1615 | } | |
33c48814 JA |
1616 | |
1617 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1618 | { | |
f1dfb668 JA |
1619 | int i; |
1620 | ||
1621 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1622 | f->last_pos[i] = f->file_offset; | |
1623 | f->last_start[i] = -1ULL; | |
1624 | } | |
1625 | ||
967d1b63 | 1626 | if (fio_file_axmap(f)) |
33c48814 | 1627 | axmap_reset(f->io_axmap); |
967d1b63 | 1628 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1629 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1630 | } | |
002fe734 JA |
1631 | |
1632 | int fio_files_done(struct thread_data *td) | |
1633 | { | |
1634 | struct fio_file *f; | |
1635 | unsigned int i; | |
1636 | ||
1637 | for_each_file(td, f, i) | |
1638 | if (!fio_file_done(f)) | |
1639 | return 0; | |
1640 | ||
1641 | return 1; | |
1642 | } | |
bcbfeefa CE |
1643 | |
1644 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1645 | void filesetup_mem_free(void) |
1646 | { | |
bcbfeefa CE |
1647 | free_already_allocated(); |
1648 | } |