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 | ||
a3f001f5 | 267 | 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 | 393 | { |
942a851a | 394 | int errval = 0, ret = 0; |
e5b401d4 | 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 | |
942a851a | 411 | if (td->io_ops->invalidate) { |
d9b100fc | 412 | ret = td->io_ops->invalidate(td, f); |
942a851a JA |
413 | if (ret < 0) |
414 | errval = ret; | |
415 | } else if (f->filetype == FIO_TYPE_FILE) { | |
ecc314ba | 416 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 417 | if (ret) |
942a851a JA |
418 | errval = ret; |
419 | } else if (f->filetype == FIO_TYPE_BD) { | |
2b9f9141 KR |
420 | int retry_count = 0; |
421 | ||
ecc314ba | 422 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
423 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
424 | /* | |
425 | * Linux multipath devices reject ioctl while | |
426 | * the maps are being updated. That window can | |
427 | * last tens of milliseconds; we'll try up to | |
428 | * a quarter of a second. | |
429 | */ | |
430 | usleep(10000); | |
431 | ret = blockdev_invalidate_cache(f); | |
432 | } | |
7e0e25c9 | 433 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 434 | if (!root_warn) { |
5ec10eaa JA |
435 | log_err("fio: only root may flush block " |
436 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
437 | root_warn = 1; |
438 | } | |
7e0e25c9 JA |
439 | ret = 0; |
440 | } | |
942a851a JA |
441 | if (ret < 0) |
442 | errval = errno; | |
b5605e9d | 443 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
444 | ret = 0; |
445 | ||
dfe11fd1 JA |
446 | /* |
447 | * Cache flushing isn't a fatal condition, and we know it will | |
448 | * happen on some platforms where we don't have the proper | |
449 | * function to flush eg block device caches. So just warn and | |
450 | * continue on our way. | |
451 | */ | |
942a851a JA |
452 | if (errval) |
453 | log_info("fio: cache invalidation of %s failed: %s\n", f->file_name, strerror(errval)); | |
e5b401d4 | 454 | |
dfe11fd1 | 455 | return 0; |
3baddf24 JA |
456 | |
457 | } | |
458 | ||
459 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
460 | { | |
d6aed795 | 461 | if (!fio_file_open(f)) |
a5fb461f JA |
462 | return 0; |
463 | ||
5e0074c2 | 464 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
465 | } |
466 | ||
6977bcd0 | 467 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 468 | { |
6977bcd0 JA |
469 | int ret = 0; |
470 | ||
ee56ad50 | 471 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
472 | |
473 | remove_file_hash(f); | |
474 | ||
6977bcd0 JA |
475 | if (close(f->fd) < 0) |
476 | ret = errno; | |
477 | ||
b5af8293 | 478 | f->fd = -1; |
e6c4d732 JA |
479 | |
480 | if (f->shadow_fd != -1) { | |
481 | close(f->shadow_fd); | |
482 | f->shadow_fd = -1; | |
483 | } | |
484 | ||
57e54e08 | 485 | f->engine_data = 0; |
6977bcd0 | 486 | return ret; |
53cdc686 JA |
487 | } |
488 | ||
1ccc6dc7 | 489 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 490 | { |
29c1349f | 491 | struct fio_file *__f; |
4d4e80f2 JA |
492 | int from_hash; |
493 | ||
494 | __f = lookup_file_hash(f->file_name); | |
495 | if (__f) { | |
9efef3c4 | 496 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
497 | /* |
498 | * racy, need the __f->lock locked | |
499 | */ | |
500 | f->lock = __f->lock; | |
4d4e80f2 JA |
501 | from_hash = 1; |
502 | } else { | |
9efef3c4 | 503 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
504 | from_hash = 0; |
505 | } | |
506 | ||
9c0f3f32 BC |
507 | #ifdef WIN32 |
508 | flags |= _O_BINARY; | |
509 | #endif | |
510 | ||
e8670ef8 | 511 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
512 | return from_hash; |
513 | } | |
514 | ||
e6c4d732 JA |
515 | static int file_close_shadow_fds(struct thread_data *td) |
516 | { | |
517 | struct fio_file *f; | |
518 | int num_closed = 0; | |
519 | unsigned int i; | |
520 | ||
521 | for_each_file(td, f, i) { | |
522 | if (f->shadow_fd == -1) | |
523 | continue; | |
524 | ||
525 | close(f->shadow_fd); | |
526 | f->shadow_fd = -1; | |
527 | num_closed++; | |
528 | } | |
529 | ||
530 | return num_closed; | |
531 | } | |
532 | ||
4d4e80f2 JA |
533 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
534 | { | |
66159828 | 535 | int is_std = 0; |
53cdc686 | 536 | int flags = 0; |
29c1349f | 537 | int from_hash = 0; |
53cdc686 | 538 | |
ee56ad50 JA |
539 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
540 | ||
66159828 JA |
541 | if (!strcmp(f->file_name, "-")) { |
542 | if (td_rw(td)) { | |
543 | log_err("fio: can't read/write to stdin/out\n"); | |
544 | return 1; | |
545 | } | |
546 | is_std = 1; | |
ce98fa66 JA |
547 | |
548 | /* | |
549 | * move output logging to stderr, if we are writing to stdout | |
550 | */ | |
551 | if (td_write(td)) | |
552 | f_out = stderr; | |
66159828 JA |
553 | } |
554 | ||
6eaf09d6 SL |
555 | if (td_trim(td)) |
556 | goto skip_flags; | |
2dc1bbeb | 557 | if (td->o.odirect) |
2fd233b7 | 558 | flags |= OS_O_DIRECT; |
d01612f3 CM |
559 | if (td->o.oatomic) { |
560 | if (!FIO_O_ATOMIC) { | |
561 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
562 | return 1; | |
563 | } | |
564 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
565 | } | |
2dc1bbeb | 566 | if (td->o.sync_io) |
2fd233b7 | 567 | flags |= O_SYNC; |
2378826d | 568 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 569 | flags |= O_CREAT; |
6eaf09d6 SL |
570 | skip_flags: |
571 | if (f->filetype != FIO_TYPE_FILE) | |
572 | flags |= FIO_O_NOATIME; | |
53cdc686 | 573 | |
056f3459 | 574 | open_again: |
660a1cb5 | 575 | if (td_write(td)) { |
17308158 JA |
576 | if (!read_only) |
577 | flags |= O_RDWR; | |
53cdc686 | 578 | |
2378826d | 579 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 580 | flags |= O_CREAT; |
2fd233b7 | 581 | |
66159828 JA |
582 | if (is_std) |
583 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
584 | else |
585 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 586 | } else if (td_read(td)) { |
4241ea8f | 587 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
588 | flags |= O_RDWR; |
589 | else | |
590 | flags |= O_RDONLY; | |
591 | ||
66159828 JA |
592 | if (is_std) |
593 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
594 | else |
595 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 SL |
596 | } else { //td trim |
597 | flags |= O_RDWR; | |
598 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
599 | } |
600 | ||
601 | if (f->fd == -1) { | |
e4e33258 | 602 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
603 | int __e = errno; |
604 | ||
835d9b9e | 605 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 606 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
607 | goto open_again; |
608 | } | |
e6c4d732 JA |
609 | if (__e == EMFILE && file_close_shadow_fds(td)) |
610 | goto open_again; | |
056f3459 | 611 | |
98ffb8f3 | 612 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 613 | |
a93c5f04 JA |
614 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
615 | log_err("fio: looks like your file system does not " \ | |
616 | "support direct=1/buffered=0\n"); | |
617 | } | |
618 | ||
e4e33258 | 619 | td_verror(td, __e, buf); |
3ce3ad33 | 620 | return 1; |
53cdc686 JA |
621 | } |
622 | ||
29c1349f JA |
623 | if (!from_hash && f->fd != -1) { |
624 | if (add_file_hash(f)) { | |
3f0ca9b9 | 625 | int fio_unused ret; |
29c1349f JA |
626 | |
627 | /* | |
e6c4d732 JA |
628 | * Stash away descriptor for later close. This is to |
629 | * work-around a "feature" on Linux, where a close of | |
630 | * an fd that has been opened for write will trigger | |
631 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 632 | * That pollutes the device cache, which can slow down |
e6c4d732 | 633 | * unbuffered accesses. |
29c1349f | 634 | */ |
e6c4d732 JA |
635 | if (f->shadow_fd == -1) |
636 | f->shadow_fd = f->fd; | |
637 | else { | |
638 | /* | |
639 | * OK to ignore, we haven't done anything | |
640 | * with it | |
641 | */ | |
642 | ret = generic_close_file(td, f); | |
643 | } | |
29c1349f JA |
644 | goto open_again; |
645 | } | |
646 | } | |
4906e0b5 | 647 | |
53cdc686 | 648 | return 0; |
b5af8293 JA |
649 | } |
650 | ||
df9c26b1 | 651 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 652 | { |
df9c26b1 | 653 | return get_file_size(td, f); |
21972cde JA |
654 | } |
655 | ||
7bb48f84 JA |
656 | /* |
657 | * open/close all files, so that ->real_file_size gets set | |
658 | */ | |
bab3fd58 | 659 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
660 | { |
661 | struct fio_file *f; | |
662 | unsigned int i; | |
bab3fd58 | 663 | int err = 0; |
7bb48f84 JA |
664 | |
665 | for_each_file(td, f, i) { | |
5ec10eaa JA |
666 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
667 | f->file_name); | |
9efef3c4 | 668 | |
99a47c69 | 669 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
670 | if (td->error != ENOENT) { |
671 | log_err("%s\n", td->verror); | |
672 | err = 1; | |
3ce3ad33 | 673 | break; |
40b44f4a | 674 | } |
541d66d7 | 675 | clear_error(td); |
07eb79df | 676 | } |
409b3417 JA |
677 | |
678 | if (f->real_file_size == -1ULL && td->o.size) | |
679 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 680 | } |
bab3fd58 JA |
681 | |
682 | return err; | |
7bb48f84 JA |
683 | } |
684 | ||
2e3bd4c2 JA |
685 | struct fio_mount { |
686 | struct flist_head list; | |
687 | const char *base; | |
688 | char __base[256]; | |
689 | unsigned int key; | |
690 | }; | |
691 | ||
692 | /* | |
693 | * Get free number of bytes for each file on each unique mount. | |
694 | */ | |
695 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
696 | { | |
697 | struct flist_head *n, *tmp; | |
68b0316f | 698 | unsigned long long ret = 0; |
2e3bd4c2 JA |
699 | struct fio_mount *fm; |
700 | FLIST_HEAD(list); | |
701 | struct fio_file *f; | |
702 | unsigned int i; | |
703 | ||
704 | for_each_file(td, f, i) { | |
705 | struct stat sb; | |
706 | char buf[256]; | |
707 | ||
4ccdccd1 JA |
708 | if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) { |
709 | if (f->real_file_size != -1ULL) | |
710 | ret += f->real_file_size; | |
68b0316f JA |
711 | continue; |
712 | } else if (f->filetype != FIO_TYPE_FILE) | |
713 | continue; | |
714 | ||
da27a4bf JA |
715 | buf[255] = '\0'; |
716 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
717 | |
718 | if (stat(buf, &sb) < 0) { | |
719 | if (errno != ENOENT) | |
720 | break; | |
721 | strcpy(buf, "."); | |
722 | if (stat(buf, &sb) < 0) | |
723 | break; | |
724 | } | |
725 | ||
726 | fm = NULL; | |
727 | flist_for_each(n, &list) { | |
728 | fm = flist_entry(n, struct fio_mount, list); | |
729 | if (fm->key == sb.st_dev) | |
730 | break; | |
731 | ||
732 | fm = NULL; | |
733 | } | |
734 | ||
735 | if (fm) | |
736 | continue; | |
737 | ||
3660ceae JA |
738 | fm = calloc(1, sizeof(*fm)); |
739 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
740 | fm->base = basename(fm->__base); |
741 | fm->key = sb.st_dev; | |
742 | flist_add(&fm->list, &list); | |
743 | } | |
744 | ||
2e3bd4c2 JA |
745 | flist_for_each_safe(n, tmp, &list) { |
746 | unsigned long long sz; | |
747 | ||
748 | fm = flist_entry(n, struct fio_mount, list); | |
749 | flist_del(&fm->list); | |
750 | ||
c08ad04c | 751 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
752 | if (sz && sz != -1ULL) |
753 | ret += sz; | |
754 | ||
755 | free(fm); | |
756 | } | |
757 | ||
758 | return ret; | |
759 | } | |
760 | ||
bedc9dc2 | 761 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 762 | { |
bedc9dc2 JA |
763 | struct thread_options *o = &td->o; |
764 | ||
765 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
766 | return f->real_file_size; | |
767 | ||
ce95d651 | 768 | return td->o.start_offset + |
69bdd6ba | 769 | td->subjob_number * td->o.offset_increment; |
ce95d651 DE |
770 | } |
771 | ||
7bb48f84 JA |
772 | /* |
773 | * Open the files and setup files sizes, creating files if necessary. | |
774 | */ | |
53cdc686 JA |
775 | int setup_files(struct thread_data *td) |
776 | { | |
7bb48f84 | 777 | unsigned long long total_size, extend_size; |
de98bd30 | 778 | struct thread_options *o = &td->o; |
53cdc686 | 779 | struct fio_file *f; |
002fe734 | 780 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 781 | int err = 0, need_extend; |
e90391eb | 782 | int old_state; |
002fe734 JA |
783 | const unsigned int bs = td_min_bs(td); |
784 | uint64_t fs = 0; | |
53cdc686 | 785 | |
ee56ad50 JA |
786 | dprint(FD_FILE, "setup files\n"); |
787 | ||
8edd973d | 788 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 789 | |
de98bd30 | 790 | if (o->read_iolog_file) |
25460cf6 | 791 | goto done; |
691c8fb0 | 792 | |
53cdc686 JA |
793 | /* |
794 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
795 | * opening the files and setting f->real_file_size to indicate |
796 | * the valid range for that file. | |
53cdc686 JA |
797 | */ |
798 | if (td->io_ops->setup) | |
7bb48f84 JA |
799 | err = td->io_ops->setup(td); |
800 | else | |
bab3fd58 | 801 | err = get_file_sizes(td); |
53cdc686 | 802 | |
f1027063 | 803 | if (err) |
e90391eb | 804 | goto err_out; |
f1027063 | 805 | |
0a7eb121 | 806 | /* |
7bb48f84 JA |
807 | * check sizes. if the files/devices do not exist and the size |
808 | * isn't passed to fio, abort. | |
0a7eb121 | 809 | */ |
7bb48f84 JA |
810 | total_size = 0; |
811 | for_each_file(td, f, i) { | |
812 | if (f->real_file_size == -1ULL) | |
813 | total_size = -1ULL; | |
814 | else | |
815 | total_size += f->real_file_size; | |
816 | } | |
0a7eb121 | 817 | |
de98bd30 | 818 | if (o->fill_device) |
2e3bd4c2 JA |
819 | td->fill_device_size = get_fs_free_counts(td); |
820 | ||
7bb48f84 JA |
821 | /* |
822 | * device/file sizes are zero and no size given, punt | |
823 | */ | |
de98bd30 JA |
824 | if ((!total_size || total_size == -1ULL) && !o->size && |
825 | !(td->io_ops->flags & FIO_NOIO) && !o->fill_device && | |
826 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { | |
827 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 828 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 829 | goto err_out; |
53cdc686 JA |
830 | } |
831 | ||
002fe734 JA |
832 | /* |
833 | * Calculate per-file size and potential extra size for the | |
834 | * first files, if needed. | |
835 | */ | |
d1e78e6b | 836 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
837 | uint64_t all_fs; |
838 | ||
839 | fs = o->size / o->nr_files; | |
840 | all_fs = fs * o->nr_files; | |
841 | ||
842 | if (all_fs < o->size) | |
843 | nr_fs_extra = (o->size - all_fs) / bs; | |
844 | } | |
845 | ||
7bb48f84 JA |
846 | /* |
847 | * now file sizes are known, so we can set ->io_size. if size= is | |
848 | * not given, ->io_size is just equal to ->real_file_size. if size | |
849 | * is given, ->io_size is size / nr_files. | |
850 | */ | |
851 | extend_size = total_size = 0; | |
852 | need_extend = 0; | |
853 | for_each_file(td, f, i) { | |
bedc9dc2 | 854 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 855 | |
de98bd30 | 856 | if (!o->file_size_low) { |
7bb48f84 JA |
857 | /* |
858 | * no file size range given, file size is equal to | |
002fe734 JA |
859 | * total size divided by number of files. If that is |
860 | * zero, set it to the real file size. If the size | |
861 | * doesn't divide nicely with the min blocksize, | |
862 | * make the first files bigger. | |
7bb48f84 | 863 | */ |
002fe734 JA |
864 | f->io_size = fs; |
865 | if (nr_fs_extra) { | |
866 | nr_fs_extra--; | |
867 | f->io_size += bs; | |
868 | } | |
869 | ||
65bdb10a | 870 | if (!f->io_size) |
273f8c91 | 871 | f->io_size = f->real_file_size - f->file_offset; |
de98bd30 JA |
872 | } else if (f->real_file_size < o->file_size_low || |
873 | f->real_file_size > o->file_size_high) { | |
874 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 875 | goto err_offset; |
7bb48f84 JA |
876 | /* |
877 | * file size given. if it's fixed, use that. if it's a | |
878 | * range, generate a random size in-between. | |
879 | */ | |
de98bd30 JA |
880 | if (o->file_size_low == o->file_size_high) |
881 | f->io_size = o->file_size_low - f->file_offset; | |
882 | else { | |
5ec10eaa JA |
883 | f->io_size = get_rand_file_size(td) |
884 | - f->file_offset; | |
885 | } | |
65bdb10a | 886 | } else |
bcdedd0a | 887 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 888 | |
7bb48f84 JA |
889 | if (f->io_size == -1ULL) |
890 | total_size = -1ULL; | |
4d002569 | 891 | else { |
de98bd30 JA |
892 | if (o->size_percent) |
893 | f->io_size = (f->io_size * o->size_percent) / 100; | |
7bb48f84 | 894 | total_size += f->io_size; |
4d002569 | 895 | } |
7bb48f84 JA |
896 | |
897 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 898 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 | 899 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
de98bd30 | 900 | if (!o->create_on_open) { |
814452bd JA |
901 | need_extend++; |
902 | extend_size += (f->io_size + f->file_offset); | |
903 | } else | |
904 | f->real_file_size = f->io_size + f->file_offset; | |
d6aed795 | 905 | fio_file_set_extend(f); |
5ec10eaa | 906 | } |
7bb48f84 | 907 | } |
53cdc686 | 908 | |
66347cfa DE |
909 | if (td->o.block_error_hist) { |
910 | int len; | |
911 | ||
912 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
913 | f = td->files[0]; | |
914 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
915 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
916 | log_err("fio: cannot calculate block histogram with " | |
917 | "%d trim blocks, maximum %d\n", | |
918 | len, MAX_NR_BLOCK_INFOS); | |
919 | td_verror(td, EINVAL, "block_error_hist"); | |
920 | goto err_out; | |
921 | } | |
922 | ||
923 | td->ts.nr_block_infos = len; | |
8a68c41c | 924 | for (i = 0; i < len; i++) |
66347cfa DE |
925 | td->ts.block_infos[i] = |
926 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
927 | } else | |
928 | td->ts.nr_block_infos = 0; | |
929 | ||
0bc27b0b | 930 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 931 | o->size = total_size; |
21972cde | 932 | |
d1faa06d JA |
933 | if (o->size < td_min_bs(td)) { |
934 | log_err("fio: blocksize too large for data set\n"); | |
935 | goto err_out; | |
936 | } | |
937 | ||
7bb48f84 JA |
938 | /* |
939 | * See if we need to extend some files | |
940 | */ | |
941 | if (need_extend) { | |
942 | temp_stall_ts = 1; | |
129fb2d4 | 943 | if (output_format & FIO_OUTPUT_NORMAL) |
a7ba8c5f | 944 | log_info("%s: Laying out IO file(s) (%u file(s) /" |
de98bd30 | 945 | " %lluMB)\n", o->name, need_extend, |
a7ba8c5f | 946 | extend_size >> 20); |
7bb48f84 JA |
947 | |
948 | for_each_file(td, f, i) { | |
5e0074c2 | 949 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 950 | |
d6aed795 | 951 | if (!fio_file_extend(f)) |
7bb48f84 JA |
952 | continue; |
953 | ||
409b3417 | 954 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 955 | fio_file_clear_extend(f); |
de98bd30 | 956 | if (!o->fill_device) { |
5e0074c2 | 957 | old_len = f->real_file_size; |
0b9d69ec JA |
958 | extend_len = f->io_size + f->file_offset - |
959 | old_len; | |
5e0074c2 | 960 | } |
bcdedd0a | 961 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
962 | err = extend_file(td, f); |
963 | if (err) | |
3baddf24 | 964 | break; |
5e0074c2 | 965 | |
3baddf24 JA |
966 | err = __file_invalidate_cache(td, f, old_len, |
967 | extend_len); | |
9824f73b JA |
968 | |
969 | /* | |
970 | * Shut up static checker | |
971 | */ | |
972 | if (f->fd != -1) | |
973 | close(f->fd); | |
974 | ||
3baddf24 JA |
975 | f->fd = -1; |
976 | if (err) | |
7bb48f84 JA |
977 | break; |
978 | } | |
979 | temp_stall_ts = 0; | |
980 | } | |
981 | ||
982 | if (err) | |
e90391eb | 983 | goto err_out; |
7bb48f84 | 984 | |
de98bd30 JA |
985 | if (!o->zone_size) |
986 | o->zone_size = o->size; | |
7bb48f84 | 987 | |
ea966f81 JA |
988 | /* |
989 | * iolog already set the total io size, if we read back | |
990 | * stored entries. | |
991 | */ | |
77731b29 JA |
992 | if (!o->read_iolog_file) { |
993 | if (o->io_limit) | |
994 | td->total_io_size = o->io_limit * o->loops; | |
995 | else | |
996 | td->total_io_size = o->size * o->loops; | |
997 | } | |
25460cf6 JA |
998 | |
999 | done: | |
de98bd30 | 1000 | if (o->create_only) |
25460cf6 JA |
1001 | td->done = 1; |
1002 | ||
8edd973d | 1003 | td_restore_runstate(td, old_state); |
7bb48f84 | 1004 | return 0; |
bcdedd0a | 1005 | err_offset: |
de98bd30 | 1006 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1007 | err_out: |
8edd973d | 1008 | td_restore_runstate(td, old_state); |
bcdedd0a | 1009 | return 1; |
53cdc686 JA |
1010 | } |
1011 | ||
afad68f7 ZY |
1012 | int pre_read_files(struct thread_data *td) |
1013 | { | |
1014 | struct fio_file *f; | |
1015 | unsigned int i; | |
1016 | ||
1017 | dprint(FD_FILE, "pre_read files\n"); | |
1018 | ||
1019 | for_each_file(td, f, i) { | |
1020 | pre_read_file(td, f); | |
1021 | } | |
1022 | ||
1023 | return 1; | |
1024 | } | |
1025 | ||
9c6f6316 JA |
1026 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1027 | { | |
2316296a | 1028 | unsigned int range_size, seed; |
9c6f6316 | 1029 | unsigned long nranges; |
42da5c8b | 1030 | uint64_t fsize; |
9c6f6316 JA |
1031 | |
1032 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1033 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1034 | |
42da5c8b | 1035 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1036 | |
2316296a | 1037 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1038 | if (!td->o.rand_repeatable) |
1039 | seed = td->rand_seeds[4]; | |
1040 | ||
9c6f6316 | 1041 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1042 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1043 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1044 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1045 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1046 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1047 | |
1048 | return 1; | |
1049 | } | |
1050 | ||
1051 | static int init_rand_distribution(struct thread_data *td) | |
1052 | { | |
1053 | struct fio_file *f; | |
1054 | unsigned int i; | |
1055 | int state; | |
1056 | ||
1057 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1058 | return 0; | |
1059 | ||
8edd973d JA |
1060 | state = td_bump_runstate(td, TD_SETTING_UP); |
1061 | ||
9c6f6316 JA |
1062 | for_each_file(td, f, i) |
1063 | __init_rand_distribution(td, f); | |
8edd973d JA |
1064 | |
1065 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1066 | |
1067 | return 1; | |
1068 | } | |
1069 | ||
75f90d5f JA |
1070 | /* |
1071 | * Check if the number of blocks exceeds the randomness capability of | |
1072 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1073 | * 64-bit capable. | |
1074 | */ | |
1075 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1076 | uint64_t blocks) | |
1077 | { | |
1078 | if (blocks <= FRAND32_MAX) | |
1079 | return 0; | |
1080 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1081 | return 0; | |
1082 | ||
1083 | /* | |
1084 | * If the user hasn't specified a random generator, switch | |
1085 | * to tausworthe64 with informational warning. If the user did | |
1086 | * specify one, just warn. | |
1087 | */ | |
1088 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1089 | f->file_name); | |
1090 | ||
1091 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1092 | log_info("fio: Switching to tausworthe64. Use the " | |
1093 | "random_generator= option to get rid of this " | |
1094 | " warning.\n"); | |
1095 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; | |
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | /* | |
1100 | * Just make this information to avoid breaking scripts. | |
1101 | */ | |
1102 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1103 | "tausworthe64.\n"); | |
1104 | return 0; | |
1105 | } | |
1106 | ||
68727076 JA |
1107 | int init_random_map(struct thread_data *td) |
1108 | { | |
51ede0b1 | 1109 | unsigned long long blocks; |
68727076 JA |
1110 | struct fio_file *f; |
1111 | unsigned int i; | |
1112 | ||
9c6f6316 JA |
1113 | if (init_rand_distribution(td)) |
1114 | return 0; | |
3831a843 | 1115 | if (!td_random(td)) |
68727076 JA |
1116 | return 0; |
1117 | ||
1118 | for_each_file(td, f, i) { | |
42da5c8b | 1119 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1120 | |
42da5c8b | 1121 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1122 | |
75f90d5f | 1123 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1124 | return 1; |
37fbd7e9 | 1125 | |
8055e41d | 1126 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1127 | unsigned long seed; |
1128 | ||
1129 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1130 | |
967d1b63 JA |
1131 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1132 | fio_file_set_lfsr(f); | |
8055e41d | 1133 | continue; |
967d1b63 | 1134 | } |
3831a843 | 1135 | } else if (!td->o.norandommap) { |
7ebd796f | 1136 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1137 | if (f->io_axmap) { |
1138 | fio_file_set_axmap(f); | |
8055e41d | 1139 | continue; |
967d1b63 | 1140 | } |
1cad7121 JA |
1141 | } else if (td->o.norandommap) |
1142 | continue; | |
ceadd59e | 1143 | |
2b386d25 | 1144 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1145 | log_err("fio: failed allocating random map. If running" |
1146 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1147 | " option or set 'softrandommap'. Or give" |
1148 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1149 | return 1; |
1150 | } | |
303032ae JA |
1151 | |
1152 | log_info("fio: file %s failed allocating random map. Running " | |
1153 | "job without.\n", f->file_name); | |
68727076 JA |
1154 | } |
1155 | ||
1156 | return 0; | |
1157 | } | |
1158 | ||
53cdc686 JA |
1159 | void close_files(struct thread_data *td) |
1160 | { | |
0ab8db89 | 1161 | struct fio_file *f; |
af52b345 | 1162 | unsigned int i; |
53cdc686 | 1163 | |
2be3eec3 JA |
1164 | for_each_file(td, f, i) { |
1165 | if (fio_file_open(f)) | |
1166 | td_io_close_file(td, f); | |
1167 | } | |
24ffd2c2 JA |
1168 | } |
1169 | ||
1170 | void close_and_free_files(struct thread_data *td) | |
1171 | { | |
1172 | struct fio_file *f; | |
1173 | unsigned int i; | |
1174 | ||
ee56ad50 JA |
1175 | dprint(FD_FILE, "close files\n"); |
1176 | ||
0ab8db89 | 1177 | for_each_file(td, f, i) { |
38ef9c90 CF |
1178 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1179 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1180 | td_io_unlink_file(td, f); | |
1181 | } | |
1182 | ||
22a57ba8 JA |
1183 | if (fio_file_open(f)) |
1184 | td_io_close_file(td, f); | |
1185 | ||
b9fbcf21 | 1186 | remove_file_hash(f); |
b3dc7f07 | 1187 | |
b5f4d8ba JA |
1188 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1189 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1190 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1191 | } |
1192 | ||
f17c4392 | 1193 | sfree(f->file_name); |
fa1da865 | 1194 | f->file_name = NULL; |
967d1b63 JA |
1195 | if (fio_file_axmap(f)) { |
1196 | axmap_free(f->io_axmap); | |
1197 | f->io_axmap = NULL; | |
1198 | } | |
78d99e6a | 1199 | sfree(f); |
53cdc686 | 1200 | } |
b4a6a59a | 1201 | |
2dc1bbeb | 1202 | td->o.filename = NULL; |
cade3ef4 | 1203 | free(td->files); |
d7df1d13 | 1204 | free(td->file_locks); |
9efef3c4 | 1205 | td->files_index = 0; |
b4a6a59a | 1206 | td->files = NULL; |
d7df1d13 | 1207 | td->file_locks = NULL; |
27ddbfa0 | 1208 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1209 | td->o.nr_files = 0; |
53cdc686 | 1210 | } |
af52b345 | 1211 | |
e3bab463 | 1212 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1213 | { |
1214 | struct stat sb; | |
1215 | ||
66159828 JA |
1216 | if (!strcmp(f->file_name, "-")) |
1217 | f->filetype = FIO_TYPE_PIPE; | |
1218 | else | |
1219 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1220 | |
3892182a BC |
1221 | /* \\.\ is the device namespace in Windows, where every file is |
1222 | * a block device */ | |
1223 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
1224 | f->filetype = FIO_TYPE_BD; | |
1225 | ||
b30d395e | 1226 | if (!stat(f->file_name, &sb)) { |
3892182a | 1227 | if (S_ISBLK(sb.st_mode)) |
af52b345 JA |
1228 | f->filetype = FIO_TYPE_BD; |
1229 | else if (S_ISCHR(sb.st_mode)) | |
1230 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1231 | else if (S_ISFIFO(sb.st_mode)) |
1232 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1233 | } |
1234 | } | |
1235 | ||
90426237 | 1236 | static int __is_already_allocated(const char *fname) |
190b8f0c | 1237 | { |
90426237 JA |
1238 | struct flist_head *entry; |
1239 | char *filename; | |
bcbfeefa | 1240 | |
90426237 JA |
1241 | if (flist_empty(&filename_list)) |
1242 | return 0; | |
1243 | ||
1244 | flist_for_each(entry, &filename_list) { | |
1245 | filename = flist_entry(entry, struct file_name, list)->filename; | |
1246 | ||
1247 | if (strcmp(filename, fname) == 0) | |
1248 | return 1; | |
1249 | } | |
1250 | ||
1251 | return 0; | |
bcbfeefa CE |
1252 | } |
1253 | ||
1254 | static int is_already_allocated(const char *fname) | |
1255 | { | |
90426237 | 1256 | int ret; |
bcbfeefa | 1257 | |
90426237 JA |
1258 | fio_file_hash_lock(); |
1259 | ret = __is_already_allocated(fname); | |
1260 | fio_file_hash_unlock(); | |
1261 | return ret; | |
1262 | } | |
bcbfeefa | 1263 | |
90426237 JA |
1264 | static void set_already_allocated(const char *fname) |
1265 | { | |
1266 | struct file_name *fn; | |
1267 | ||
1268 | fn = malloc(sizeof(struct file_name)); | |
1269 | fn->filename = strdup(fname); | |
1270 | ||
1271 | fio_file_hash_lock(); | |
1272 | if (!__is_already_allocated(fname)) { | |
1273 | flist_add_tail(&fn->list, &filename_list); | |
1274 | fn = NULL; | |
bcbfeefa | 1275 | } |
90426237 | 1276 | fio_file_hash_unlock(); |
bcbfeefa | 1277 | |
90426237 JA |
1278 | if (fn) { |
1279 | free(fn->filename); | |
1280 | free(fn); | |
1281 | } | |
bcbfeefa CE |
1282 | } |
1283 | ||
90426237 | 1284 | |
190b8f0c CF |
1285 | static void free_already_allocated(void) |
1286 | { | |
bcbfeefa CE |
1287 | struct flist_head *entry, *tmp; |
1288 | struct file_name *fn; | |
1289 | ||
90426237 JA |
1290 | if (flist_empty(&filename_list)) |
1291 | return; | |
1292 | ||
1293 | fio_file_hash_lock(); | |
1294 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1295 | fn = flist_entry(entry, struct file_name, list); | |
1296 | free(fn->filename); | |
1297 | flist_del(&fn->list); | |
1298 | free(fn); | |
bcbfeefa | 1299 | } |
90426237 JA |
1300 | |
1301 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1302 | } |
1303 | ||
7b5cb700 JA |
1304 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1305 | { | |
1306 | struct fio_file *f; | |
1307 | ||
1308 | f = smalloc(sizeof(*f)); | |
1309 | if (!f) { | |
1310 | log_err("fio: smalloc OOM\n"); | |
1311 | assert(0); | |
1312 | return NULL; | |
1313 | } | |
1314 | ||
1315 | f->fd = -1; | |
1316 | f->shadow_fd = -1; | |
1317 | fio_file_reset(td, f); | |
1318 | return f; | |
1319 | } | |
1320 | ||
5903e7b7 | 1321 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1322 | { |
7b4e4fe5 | 1323 | int cur_files = td->files_index; |
bd0ee748 | 1324 | char file_name[PATH_MAX]; |
af52b345 | 1325 | struct fio_file *f; |
bd0ee748 | 1326 | int len = 0; |
af52b345 | 1327 | |
ee56ad50 JA |
1328 | dprint(FD_FILE, "add file %s\n", fname); |
1329 | ||
bcbfeefa | 1330 | if (td->o.directory) |
e13c3b50 | 1331 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob); |
bcbfeefa CE |
1332 | |
1333 | sprintf(file_name + len, "%s", fname); | |
1334 | ||
1335 | /* clean cloned siblings using existing files */ | |
1336 | if (numjob && is_already_allocated(file_name)) | |
1337 | return 0; | |
1338 | ||
7b5cb700 | 1339 | f = alloc_new_file(td); |
bd0ee748 | 1340 | |
fc99bc0d | 1341 | if (td->files_size <= td->files_index) { |
1983e327 | 1342 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1343 | |
fc99bc0d JA |
1344 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1345 | ||
1346 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1347 | if (td->files == NULL) { |
1348 | log_err("fio: realloc OOM\n"); | |
1349 | assert(0); | |
1350 | } | |
d7df1d13 JA |
1351 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1352 | td->file_locks = realloc(td->file_locks, new_size); | |
1353 | if (!td->file_locks) { | |
1354 | log_err("fio: realloc OOM\n"); | |
1355 | assert(0); | |
1356 | } | |
1357 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1358 | } | |
fc99bc0d JA |
1359 | td->files_size = new_size; |
1360 | } | |
8bb7679e | 1361 | td->files[cur_files] = f; |
89ac1d48 | 1362 | f->fileno = cur_files; |
126d65c6 | 1363 | |
07eb79df JA |
1364 | /* |
1365 | * init function, io engine may not be loaded yet | |
1366 | */ | |
1367 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
1368 | f->real_file_size = -1ULL; | |
1369 | ||
f17c4392 | 1370 | f->file_name = smalloc_strdup(file_name); |
c48c0be7 JA |
1371 | if (!f->file_name) { |
1372 | log_err("fio: smalloc OOM\n"); | |
1373 | assert(0); | |
1374 | } | |
0b9d69ec | 1375 | |
e3bab463 | 1376 | get_file_type(f); |
af52b345 | 1377 | |
4d4e80f2 JA |
1378 | switch (td->o.file_lock_mode) { |
1379 | case FILE_LOCK_NONE: | |
1380 | break; | |
1381 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1382 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1383 | break; |
1384 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1385 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1386 | break; |
1387 | default: | |
1388 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1389 | assert(0); | |
1390 | } | |
29c1349f | 1391 | |
7b4e4fe5 | 1392 | td->files_index++; |
1549441c JA |
1393 | if (f->filetype == FIO_TYPE_FILE) |
1394 | td->nr_normal_files++; | |
f29b25a3 | 1395 | |
bcbfeefa CE |
1396 | set_already_allocated(file_name); |
1397 | ||
5903e7b7 JA |
1398 | if (inc) |
1399 | td->o.nr_files++; | |
1400 | ||
5ec10eaa JA |
1401 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1402 | cur_files); | |
9efef3c4 | 1403 | |
f29b25a3 | 1404 | return cur_files; |
af52b345 | 1405 | } |
0ad920e7 | 1406 | |
49ffb4a2 JA |
1407 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1408 | { | |
1409 | struct fio_file *f; | |
1410 | unsigned int i; | |
1411 | ||
1412 | for_each_file(td, f, i) { | |
1413 | if (!strcmp(f->file_name, fname)) | |
1414 | return i; | |
1415 | } | |
1416 | ||
5903e7b7 | 1417 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1418 | } |
1419 | ||
0ad920e7 JA |
1420 | void get_file(struct fio_file *f) |
1421 | { | |
8172fe97 | 1422 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1423 | assert(fio_file_open(f)); |
0ad920e7 JA |
1424 | f->references++; |
1425 | } | |
1426 | ||
6977bcd0 | 1427 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1428 | { |
98e1ac4e | 1429 | int f_ret = 0, ret = 0; |
6977bcd0 | 1430 | |
8172fe97 | 1431 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1432 | |
22a57ba8 JA |
1433 | if (!fio_file_open(f)) { |
1434 | assert(f->fd == -1); | |
6977bcd0 | 1435 | return 0; |
22a57ba8 | 1436 | } |
0ad920e7 JA |
1437 | |
1438 | assert(f->references); | |
1439 | if (--f->references) | |
6977bcd0 | 1440 | return 0; |
0ad920e7 | 1441 | |
71b84caa | 1442 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1443 | f_ret = fsync(f->fd); |
71b84caa JA |
1444 | if (f_ret < 0) |
1445 | f_ret = errno; | |
1446 | } | |
ebb1415f | 1447 | |
0ad920e7 | 1448 | if (td->io_ops->close_file) |
6977bcd0 | 1449 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1450 | |
98e1ac4e | 1451 | if (!ret) |
a5fb461f | 1452 | ret = f_ret; |
98e1ac4e | 1453 | |
0ad920e7 | 1454 | td->nr_open_files--; |
d6aed795 | 1455 | fio_file_clear_open(f); |
22a57ba8 | 1456 | assert(f->fd == -1); |
6977bcd0 | 1457 | return ret; |
0ad920e7 | 1458 | } |
bbf6b540 | 1459 | |
4d4e80f2 | 1460 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1461 | { |
4d4e80f2 JA |
1462 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1463 | return; | |
29c1349f | 1464 | |
4d4e80f2 JA |
1465 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1466 | if (ddir == DDIR_READ) | |
d7df1d13 | 1467 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1468 | else |
d7df1d13 | 1469 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1470 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1471 | fio_mutex_down(f->lock); | |
1472 | ||
d7df1d13 | 1473 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1474 | } |
1475 | ||
4d4e80f2 | 1476 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1477 | { |
4d4e80f2 JA |
1478 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1479 | return; | |
4d4e80f2 | 1480 | |
d7df1d13 JA |
1481 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1482 | fio_rwlock_unlock(f->rwlock); | |
1483 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1484 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1485 | |
1486 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1487 | } |
1488 | ||
4d4e80f2 JA |
1489 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1490 | { | |
f2a2803a | 1491 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1492 | return; |
d7df1d13 JA |
1493 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1494 | unlock_file(td, f); | |
4d4e80f2 JA |
1495 | } |
1496 | ||
bbf6b540 JA |
1497 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1498 | { | |
1499 | struct dirent *dir; | |
1500 | int ret = 0; | |
1501 | DIR *D; | |
1502 | ||
1503 | D = opendir(dirname); | |
1504 | if (!D) { | |
0ddb270c JA |
1505 | char buf[FIO_VERROR_SIZE]; |
1506 | ||
98ffb8f3 | 1507 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1508 | td_verror(td, errno, buf); |
bbf6b540 JA |
1509 | return 1; |
1510 | } | |
1511 | ||
1512 | while ((dir = readdir(D)) != NULL) { | |
1513 | char full_path[PATH_MAX]; | |
1514 | struct stat sb; | |
1515 | ||
e85b2b83 JA |
1516 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1517 | continue; | |
96d32d51 | 1518 | |
b9fd788f | 1519 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1520 | |
1521 | if (lstat(full_path, &sb) == -1) { | |
1522 | if (errno != ENOENT) { | |
1523 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1524 | ret = 1; |
1525 | break; | |
bbf6b540 JA |
1526 | } |
1527 | } | |
1528 | ||
1529 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1530 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1531 | continue; |
1532 | } | |
0ddb270c JA |
1533 | if (!S_ISDIR(sb.st_mode)) |
1534 | continue; | |
bbf6b540 | 1535 | |
5ec10eaa JA |
1536 | ret = recurse_dir(td, full_path); |
1537 | if (ret) | |
bbf6b540 JA |
1538 | break; |
1539 | } | |
1540 | ||
1541 | closedir(D); | |
1542 | return ret; | |
1543 | } | |
1544 | ||
1545 | int add_dir_files(struct thread_data *td, const char *path) | |
1546 | { | |
0ddb270c JA |
1547 | int ret = recurse_dir(td, path); |
1548 | ||
1549 | if (!ret) | |
1550 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1551 | ||
1552 | return ret; | |
bbf6b540 | 1553 | } |
cade3ef4 JA |
1554 | |
1555 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1556 | { | |
1557 | struct fio_file *f; | |
1558 | unsigned int i; | |
9efef3c4 JA |
1559 | |
1560 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1561 | |
1562 | if (!org->files) | |
1563 | return; | |
1564 | ||
9efef3c4 | 1565 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1566 | |
d7df1d13 JA |
1567 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1568 | td->file_locks = malloc(org->files_index); | |
1569 | ||
9efef3c4 | 1570 | for_each_file(org, f, i) { |
b0fe421a JA |
1571 | struct fio_file *__f; |
1572 | ||
7b5cb700 | 1573 | __f = alloc_new_file(td); |
0b9d69ec | 1574 | |
bc3456fa | 1575 | if (f->file_name) { |
f17c4392 | 1576 | __f->file_name = smalloc_strdup(f->file_name); |
c48c0be7 JA |
1577 | if (!__f->file_name) { |
1578 | log_err("fio: smalloc OOM\n"); | |
1579 | assert(0); | |
1580 | } | |
0b9d69ec | 1581 | |
bc3456fa AC |
1582 | __f->filetype = f->filetype; |
1583 | } | |
b0fe421a | 1584 | |
67ad9242 JA |
1585 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1586 | __f->lock = f->lock; | |
1587 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1588 | __f->rwlock = f->rwlock; | |
1589 | ||
b0fe421a | 1590 | td->files[i] = __f; |
cade3ef4 JA |
1591 | } |
1592 | } | |
f29b25a3 JA |
1593 | |
1594 | /* | |
1595 | * Returns the index that matches the filename, or -1 if not there | |
1596 | */ | |
1597 | int get_fileno(struct thread_data *td, const char *fname) | |
1598 | { | |
1599 | struct fio_file *f; | |
1600 | unsigned int i; | |
1601 | ||
1602 | for_each_file(td, f, i) | |
1603 | if (!strcmp(f->file_name, fname)) | |
1604 | return i; | |
1605 | ||
1606 | return -1; | |
1607 | } | |
1608 | ||
1609 | /* | |
1610 | * For log usage, where we add/open/close files automatically | |
1611 | */ | |
1612 | void free_release_files(struct thread_data *td) | |
1613 | { | |
1614 | close_files(td); | |
66ee4002 JA |
1615 | td->o.nr_files = 0; |
1616 | td->o.open_files = 0; | |
f29b25a3 JA |
1617 | td->files_index = 0; |
1618 | td->nr_normal_files = 0; | |
1619 | } | |
33c48814 JA |
1620 | |
1621 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1622 | { | |
f1dfb668 JA |
1623 | int i; |
1624 | ||
1625 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1626 | f->last_pos[i] = f->file_offset; | |
1627 | f->last_start[i] = -1ULL; | |
1628 | } | |
1629 | ||
967d1b63 | 1630 | if (fio_file_axmap(f)) |
33c48814 | 1631 | axmap_reset(f->io_axmap); |
967d1b63 | 1632 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1633 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1634 | } | |
002fe734 JA |
1635 | |
1636 | int fio_files_done(struct thread_data *td) | |
1637 | { | |
1638 | struct fio_file *f; | |
1639 | unsigned int i; | |
1640 | ||
1641 | for_each_file(td, f, i) | |
1642 | if (!fio_file_done(f)) | |
1643 | return 0; | |
1644 | ||
1645 | return 1; | |
1646 | } | |
bcbfeefa CE |
1647 | |
1648 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1649 | void filesetup_mem_free(void) |
1650 | { | |
bcbfeefa CE |
1651 | free_already_allocated(); |
1652 | } |