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 | 7 | #include <sys/stat.h> |
53cdc686 JA |
8 | |
9 | #include "fio.h" | |
f17c4392 | 10 | #include "smalloc.h" |
4906e0b5 | 11 | #include "filehash.h" |
bcbfeefa | 12 | #include "options.h" |
ecc314ba | 13 | #include "os/os.h" |
2316296a | 14 | #include "hash.h" |
7ebd796f | 15 | #include "lib/axmap.h" |
ae626d4e | 16 | #include "rwlock.h" |
bfbdd35b | 17 | #include "zbd.h" |
53cdc686 | 18 | |
97ac992c | 19 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
20 | #include <linux/falloc.h> |
21 | #endif | |
22 | ||
bcbfeefa CE |
23 | static FLIST_HEAD(filename_list); |
24 | ||
bf651609 TK |
25 | /* |
26 | * List entry for filename_list | |
27 | */ | |
28 | struct file_name { | |
29 | struct flist_head list; | |
30 | char *filename; | |
31 | }; | |
32 | ||
c592b9fe JA |
33 | static inline void clear_error(struct thread_data *td) |
34 | { | |
35 | td->error = 0; | |
36 | td->verror[0] = '\0'; | |
37 | } | |
38 | ||
c75f74fb | 39 | static int native_fallocate(struct thread_data *td, struct fio_file *f) |
2c3e17be SW |
40 | { |
41 | bool success; | |
42 | ||
43 | success = fio_fallocate(f, 0, f->real_file_size); | |
44 | dprint(FD_FILE, "native fallocate of file %s size %llu was " | |
45 | "%ssuccessful\n", f->file_name, | |
46 | (unsigned long long) f->real_file_size, | |
47 | !success ? "un": ""); | |
48 | ||
49 | if (success) | |
c0aabe37 | 50 | return false; |
2c3e17be SW |
51 | |
52 | if (errno == ENOSYS) | |
53 | dprint(FD_FILE, "native fallocate is not implemented\n"); | |
54 | ||
c0aabe37 | 55 | return true; |
2c3e17be SW |
56 | } |
57 | ||
005eb303 JA |
58 | static void fallocate_file(struct thread_data *td, struct fio_file *f) |
59 | { | |
005eb303 JA |
60 | if (td->o.fill_device) |
61 | return; | |
62 | ||
005eb303 | 63 | switch (td->o.fallocate_mode) { |
2c3e17be | 64 | case FIO_FALLOCATE_NATIVE: |
c0aabe37 | 65 | native_fallocate(td, f); |
2c3e17be | 66 | break; |
005eb303 JA |
67 | case FIO_FALLOCATE_NONE: |
68 | break; | |
2c3e17be | 69 | #ifdef CONFIG_POSIX_FALLOCATE |
52db2dac JA |
70 | case FIO_FALLOCATE_POSIX: { |
71 | int r; | |
72 | ||
005eb303 JA |
73 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", |
74 | f->file_name, | |
75 | (unsigned long long) f->real_file_size); | |
76 | ||
77 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
78 | if (r > 0) | |
79 | log_err("fio: posix_fallocate fails: %s\n", strerror(r)); | |
80 | break; | |
52db2dac | 81 | } |
2c3e17be | 82 | #endif /* CONFIG_POSIX_FALLOCATE */ |
005eb303 | 83 | #ifdef CONFIG_LINUX_FALLOCATE |
52db2dac JA |
84 | case FIO_FALLOCATE_KEEP_SIZE: { |
85 | int r; | |
86 | ||
005eb303 JA |
87 | dprint(FD_FILE, "fallocate(FALLOC_FL_KEEP_SIZE) " |
88 | "file %s size %llu\n", f->file_name, | |
89 | (unsigned long long) f->real_file_size); | |
90 | ||
91 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, f->real_file_size); | |
92 | if (r != 0) | |
93 | td_verror(td, errno, "fallocate"); | |
94 | ||
95 | break; | |
52db2dac | 96 | } |
005eb303 | 97 | #endif /* CONFIG_LINUX_FALLOCATE */ |
38ca5f03 TV |
98 | case FIO_FALLOCATE_TRUNCATE: { |
99 | int r; | |
100 | ||
101 | dprint(FD_FILE, "ftruncate file %s size %llu\n", | |
102 | f->file_name, | |
103 | (unsigned long long) f->real_file_size); | |
104 | r = ftruncate(f->fd, f->real_file_size); | |
105 | if (r != 0) | |
106 | td_verror(td, errno, "ftruncate"); | |
107 | ||
108 | break; | |
109 | } | |
005eb303 JA |
110 | default: |
111 | log_err("fio: unknown fallocate mode: %d\n", td->o.fallocate_mode); | |
112 | assert(0); | |
113 | } | |
005eb303 JA |
114 | } |
115 | ||
3baddf24 JA |
116 | /* |
117 | * Leaves f->fd open on success, caller must close | |
118 | */ | |
7bb48f84 | 119 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 120 | { |
005eb303 | 121 | int new_layout = 0, unlink_file = 0, flags; |
25205e97 | 122 | unsigned long long left; |
5fff9543 | 123 | unsigned long long bs; |
f3e1eb23 | 124 | char *b = NULL; |
b2a15192 | 125 | |
4241ea8f JA |
126 | if (read_only) { |
127 | log_err("fio: refusing extend of file due to read-only\n"); | |
128 | return 0; | |
129 | } | |
130 | ||
507a702f JA |
131 | /* |
132 | * check if we need to lay the file out complete again. fio | |
133 | * does that for operations involving reads, or for writes | |
134 | * where overwrite is set | |
135 | */ | |
1417daeb JA |
136 | if (td_read(td) || |
137 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 138 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 139 | new_layout = 1; |
1417daeb | 140 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 141 | unlink_file = 1; |
507a702f | 142 | |
6ae1f57f | 143 | if (unlink_file || new_layout) { |
2442c935 JA |
144 | int ret; |
145 | ||
bd199f2b | 146 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
147 | |
148 | ret = td_io_unlink_file(td, f); | |
149 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
150 | td_verror(td, errno, "unlink"); |
151 | return 1; | |
152 | } | |
153 | } | |
154 | ||
2378826d JA |
155 | flags = O_WRONLY; |
156 | if (td->o.allow_create) | |
157 | flags |= O_CREAT; | |
507a702f JA |
158 | if (new_layout) |
159 | flags |= O_TRUNC; | |
160 | ||
9c0f3f32 BC |
161 | #ifdef WIN32 |
162 | flags |= _O_BINARY; | |
163 | #endif | |
164 | ||
ee56ad50 | 165 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 166 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 167 | if (f->fd < 0) { |
2378826d JA |
168 | int err = errno; |
169 | ||
170 | if (err == ENOENT && !td->o.allow_create) | |
171 | log_err("fio: file creation disallowed by " | |
172 | "allow_file_create=0\n"); | |
323876fb | 173 | else |
2378826d | 174 | td_verror(td, err, "open"); |
53cdc686 JA |
175 | return 1; |
176 | } | |
177 | ||
005eb303 | 178 | fallocate_file(td, f); |
9b836561 | 179 | |
79591fa9 TK |
180 | /* |
181 | * If our jobs don't require regular files initially, we're done. | |
182 | */ | |
fc74ac1d SL |
183 | if (!new_layout) |
184 | goto done; | |
185 | ||
5e0074c2 JA |
186 | /* |
187 | * The size will be -1ULL when fill_device is used, so don't truncate | |
188 | * or fallocate this file, just write it | |
189 | */ | |
190 | if (!td->o.fill_device) { | |
191 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 192 | (unsigned long long) f->real_file_size); |
5e0074c2 | 193 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
194 | if (errno != EFBIG) { |
195 | td_verror(td, errno, "ftruncate"); | |
196 | goto err; | |
197 | } | |
5e0074c2 | 198 | } |
5e0074c2 | 199 | } |
40f8298c | 200 | |
82d8de31 TK |
201 | left = f->real_file_size; |
202 | bs = td->o.max_bs[DDIR_WRITE]; | |
203 | if (bs > left) | |
204 | bs = left; | |
205 | ||
323876fb | 206 | b = malloc(bs); |
84af30a1 | 207 | if (!b) { |
323876fb | 208 | td_verror(td, errno, "malloc"); |
84af30a1 TK |
209 | goto err; |
210 | } | |
53cdc686 | 211 | |
53cdc686 | 212 | while (left && !td->terminate) { |
005eb303 JA |
213 | ssize_t r; |
214 | ||
53cdc686 JA |
215 | if (bs > left) |
216 | bs = left; | |
217 | ||
cc86c395 JA |
218 | fill_io_buffer(td, b, bs, bs); |
219 | ||
53cdc686 JA |
220 | r = write(f->fd, b, bs); |
221 | ||
5e0074c2 JA |
222 | if (r > 0) { |
223 | left -= r; | |
53cdc686 JA |
224 | continue; |
225 | } else { | |
5e0074c2 JA |
226 | if (r < 0) { |
227 | int __e = errno; | |
228 | ||
229 | if (__e == ENOSPC) { | |
230 | if (td->o.fill_device) | |
231 | break; | |
232 | log_info("fio: ENOSPC on laying out " | |
233 | "file, stopping\n"); | |
5e0074c2 | 234 | } |
e1161c32 | 235 | td_verror(td, errno, "write"); |
5e0074c2 | 236 | } else |
e1161c32 | 237 | td_verror(td, EIO, "write"); |
53cdc686 | 238 | |
9107a641 | 239 | goto err; |
53cdc686 JA |
240 | } |
241 | } | |
242 | ||
ffdfabd4 JA |
243 | if (td->terminate) { |
244 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 245 | td_io_unlink_file(td, f); |
ffdfabd4 | 246 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
247 | if (fsync(f->fd) < 0) { |
248 | td_verror(td, errno, "fsync"); | |
249 | goto err; | |
250 | } | |
251 | } | |
0d1cd207 | 252 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 253 | fio_file_clear_size_known(f); |
5e0074c2 JA |
254 | if (td_io_get_file_size(td, f)) |
255 | goto err; | |
256 | if (f->io_size > f->real_file_size) | |
257 | f->io_size = f->real_file_size; | |
258 | } | |
53cdc686 | 259 | |
323876fb | 260 | free(b); |
507a702f | 261 | done: |
53cdc686 JA |
262 | return 0; |
263 | err: | |
264 | close(f->fd); | |
265 | f->fd = -1; | |
f3e1eb23 | 266 | if (b) |
323876fb | 267 | free(b); |
53cdc686 JA |
268 | return 1; |
269 | } | |
270 | ||
c139f3b4 | 271 | static bool pre_read_file(struct thread_data *td, struct fio_file *f) |
afad68f7 | 272 | { |
c139f3b4 | 273 | int r, did_open = 0, old_runstate; |
afad68f7 | 274 | unsigned long long left; |
5fff9543 | 275 | unsigned long long bs; |
c139f3b4 | 276 | bool ret = true; |
afad68f7 ZY |
277 | char *b; |
278 | ||
736f1188 TK |
279 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
280 | td_ioengine_flagged(td, FIO_NOIO)) | |
c139f3b4 | 281 | return true; |
9c0d2241 | 282 | |
e658078b | 283 | if (f->filetype == FIO_TYPE_CHAR) |
c139f3b4 | 284 | return true; |
e658078b | 285 | |
d6aed795 | 286 | if (!fio_file_open(f)) { |
b0f65863 JA |
287 | if (td->io_ops->open_file(td, f)) { |
288 | log_err("fio: cannot pre-read, failed to open file\n"); | |
c139f3b4 | 289 | return false; |
b0f65863 JA |
290 | } |
291 | did_open = 1; | |
292 | } | |
293 | ||
8edd973d | 294 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 295 | |
82d8de31 | 296 | left = f->io_size; |
afad68f7 | 297 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
298 | if (bs > left) |
299 | bs = left; | |
300 | ||
afad68f7 | 301 | b = malloc(bs); |
84af30a1 TK |
302 | if (!b) { |
303 | td_verror(td, errno, "malloc"); | |
c139f3b4 | 304 | ret = false; |
84af30a1 TK |
305 | goto error; |
306 | } | |
afad68f7 ZY |
307 | memset(b, 0, bs); |
308 | ||
ef799a64 JA |
309 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
310 | td_verror(td, errno, "lseek"); | |
311 | log_err("fio: failed to lseek pre-read file\n"); | |
c139f3b4 | 312 | ret = false; |
ef799a64 JA |
313 | goto error; |
314 | } | |
315 | ||
afad68f7 ZY |
316 | while (left && !td->terminate) { |
317 | if (bs > left) | |
318 | bs = left; | |
319 | ||
320 | r = read(f->fd, b, bs); | |
321 | ||
322 | if (r == (int) bs) { | |
323 | left -= bs; | |
324 | continue; | |
325 | } else { | |
326 | td_verror(td, EIO, "pre_read"); | |
327 | break; | |
328 | } | |
329 | } | |
330 | ||
ef799a64 | 331 | error: |
8edd973d | 332 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
333 | |
334 | if (did_open) | |
335 | td->io_ops->close_file(td, f); | |
ef799a64 | 336 | |
afad68f7 | 337 | free(b); |
ef799a64 | 338 | return ret; |
afad68f7 ZY |
339 | } |
340 | ||
8c47cc76 ŁS |
341 | /* |
342 | * Generic function to prepopulate regular file with data. | |
343 | * Useful if you want to make sure I/O engine has data to read. | |
344 | * Leaves f->fd open on success, caller must close. | |
345 | */ | |
346 | int generic_prepopulate_file(struct thread_data *td, struct fio_file *f) | |
347 | { | |
348 | int flags; | |
349 | unsigned long long left, bs; | |
350 | char *b = NULL; | |
351 | ||
352 | /* generic function for regular files only */ | |
353 | assert(f->filetype == FIO_TYPE_FILE); | |
354 | ||
355 | if (read_only) { | |
356 | log_err("fio: refusing to write a file due to read-only\n"); | |
357 | return 0; | |
358 | } | |
359 | ||
360 | flags = O_WRONLY; | |
361 | if (td->o.allow_create) | |
362 | flags |= O_CREAT; | |
363 | ||
364 | #ifdef WIN32 | |
365 | flags |= _O_BINARY; | |
366 | #endif | |
367 | ||
368 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); | |
369 | f->fd = open(f->file_name, flags, 0644); | |
370 | if (f->fd < 0) { | |
371 | int err = errno; | |
372 | ||
373 | if (err == ENOENT && !td->o.allow_create) | |
374 | log_err("fio: file creation disallowed by " | |
375 | "allow_file_create=0\n"); | |
376 | else | |
377 | td_verror(td, err, "open"); | |
378 | return 1; | |
379 | } | |
380 | ||
381 | left = f->real_file_size; | |
382 | bs = td->o.max_bs[DDIR_WRITE]; | |
383 | if (bs > left) | |
384 | bs = left; | |
385 | ||
386 | b = malloc(bs); | |
387 | if (!b) { | |
388 | td_verror(td, errno, "malloc"); | |
389 | goto err; | |
390 | } | |
391 | ||
392 | while (left && !td->terminate) { | |
393 | ssize_t r; | |
394 | ||
395 | if (bs > left) | |
396 | bs = left; | |
397 | ||
398 | fill_io_buffer(td, b, bs, bs); | |
399 | ||
400 | r = write(f->fd, b, bs); | |
401 | ||
402 | if (r > 0) { | |
403 | left -= r; | |
404 | } else { | |
405 | td_verror(td, errno, "write"); | |
406 | goto err; | |
407 | } | |
408 | } | |
409 | ||
410 | if (td->terminate) { | |
411 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
412 | td_io_unlink_file(td, f); | |
413 | } else if (td->o.create_fsync) { | |
414 | if (fsync(f->fd) < 0) { | |
415 | td_verror(td, errno, "fsync"); | |
416 | goto err; | |
417 | } | |
418 | } | |
419 | ||
420 | free(b); | |
421 | return 0; | |
422 | err: | |
423 | close(f->fd); | |
424 | f->fd = -1; | |
425 | if (b) | |
426 | free(b); | |
427 | return 1; | |
428 | } | |
429 | ||
a3f001f5 | 430 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 431 | { |
dc873b6f | 432 | unsigned long long ret, sized; |
c3546b53 | 433 | uint64_t frand_max; |
ed06087e | 434 | uint64_t r; |
9c60ce64 | 435 | |
c3546b53 | 436 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 437 | r = __rand(&td->file_size_state); |
54a21917 | 438 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 439 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 440 | ret += td->o.file_size_low; |
2dc1bbeb | 441 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
442 | return ret; |
443 | } | |
444 | ||
53cdc686 JA |
445 | static int file_size(struct thread_data *td, struct fio_file *f) |
446 | { | |
447 | struct stat st; | |
448 | ||
df9c26b1 | 449 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
450 | td_verror(td, errno, "fstat"); |
451 | return 1; | |
452 | } | |
53cdc686 | 453 | |
7bb48f84 | 454 | f->real_file_size = st.st_size; |
53cdc686 JA |
455 | return 0; |
456 | } | |
457 | ||
458 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
459 | { | |
9b836561 | 460 | unsigned long long bytes = 0; |
53cdc686 JA |
461 | int r; |
462 | ||
df9c26b1 JA |
463 | if (td->io_ops->open_file(td, f)) { |
464 | log_err("fio: failed opening blockdev %s for size check\n", | |
465 | f->file_name); | |
466 | return 1; | |
467 | } | |
468 | ||
ecc314ba | 469 | r = blockdev_size(f, &bytes); |
53cdc686 | 470 | if (r) { |
e1161c32 | 471 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 472 | goto err; |
53cdc686 JA |
473 | } |
474 | ||
7ab077ab JA |
475 | if (!bytes) { |
476 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 477 | goto err; |
7ab077ab JA |
478 | } |
479 | ||
53cdc686 | 480 | f->real_file_size = bytes; |
22a57ba8 | 481 | td->io_ops->close_file(td, f); |
53cdc686 | 482 | return 0; |
df9c26b1 JA |
483 | err: |
484 | td->io_ops->close_file(td, f); | |
485 | return 1; | |
53cdc686 JA |
486 | } |
487 | ||
4ccdccd1 JA |
488 | static int char_size(struct thread_data *td, struct fio_file *f) |
489 | { | |
490 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 491 | unsigned long long bytes = 0; |
4ccdccd1 JA |
492 | int r; |
493 | ||
494 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 495 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
496 | f->file_name); |
497 | return 1; | |
498 | } | |
499 | ||
ecc314ba | 500 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
501 | if (r) { |
502 | td_verror(td, r, "chardev_size"); | |
503 | goto err; | |
504 | } | |
505 | ||
506 | if (!bytes) { | |
507 | log_err("%s: zero sized char device?\n", f->file_name); | |
508 | goto err; | |
509 | } | |
510 | ||
511 | f->real_file_size = bytes; | |
512 | td->io_ops->close_file(td, f); | |
513 | return 0; | |
514 | err: | |
515 | td->io_ops->close_file(td, f); | |
516 | return 1; | |
517 | #else | |
518 | f->real_file_size = -1ULL; | |
519 | return 0; | |
520 | #endif | |
521 | } | |
522 | ||
53cdc686 JA |
523 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
524 | { | |
525 | int ret = 0; | |
526 | ||
d6aed795 | 527 | if (fio_file_size_known(f)) |
409b3417 JA |
528 | return 0; |
529 | ||
7bb48f84 JA |
530 | if (f->filetype == FIO_TYPE_FILE) |
531 | ret = file_size(td, f); | |
686fbd31 | 532 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 533 | ret = bdev_size(td, f); |
4ccdccd1 JA |
534 | else if (f->filetype == FIO_TYPE_CHAR) |
535 | ret = char_size(td, f); | |
8bd809f5 TK |
536 | else { |
537 | f->real_file_size = -1; | |
538 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
539 | f->file_name); | |
540 | return 1; /* avoid offset extends end error message */ | |
541 | } | |
53cdc686 | 542 | |
79591fa9 TK |
543 | /* |
544 | * Leave ->real_file_size with 0 since it could be expectation | |
545 | * of initial setup for regular files. | |
546 | */ | |
a0cb220b | 547 | if (ret) |
53cdc686 JA |
548 | return ret; |
549 | ||
957c81b9 TK |
550 | /* |
551 | * ->file_offset normally hasn't been initialized yet, so this | |
8bd809f5 TK |
552 | * is basically always false unless ->real_file_size is -1, but |
553 | * if ->real_file_size is -1 this message doesn't make sense. | |
554 | * As a result, this message is basically useless. | |
957c81b9 | 555 | */ |
53cdc686 | 556 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 557 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
558 | (unsigned long long) f->file_offset, |
559 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
560 | return 1; |
561 | } | |
562 | ||
d6aed795 | 563 | fio_file_set_size_known(f); |
53cdc686 JA |
564 | return 0; |
565 | } | |
566 | ||
3baddf24 JA |
567 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
568 | unsigned long long off, | |
569 | unsigned long long len) | |
e5b401d4 | 570 | { |
942a851a | 571 | int errval = 0, ret = 0; |
e5b401d4 | 572 | |
c8931876 JA |
573 | #ifdef CONFIG_ESX |
574 | return 0; | |
575 | #endif | |
576 | ||
5e0074c2 | 577 | if (len == -1ULL) |
3baddf24 JA |
578 | len = f->io_size; |
579 | if (off == -1ULL) | |
580 | off = f->file_offset; | |
ee56ad50 | 581 | |
0d1cd207 JA |
582 | if (len == -1ULL || off == -1ULL) |
583 | return 0; | |
584 | ||
942a851a | 585 | if (td->io_ops->invalidate) { |
4499dbef TK |
586 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
587 | f->file_name); | |
d9b100fc | 588 | ret = td->io_ops->invalidate(td, f); |
942a851a | 589 | if (ret < 0) |
afd118db | 590 | errval = -ret; |
4e18b4d9 SW |
591 | } else if (td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
592 | dprint(FD_IO, "invalidate not supported by ioengine %s\n", | |
593 | td->io_ops->name); | |
942a851a | 594 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
595 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
596 | f->file_name, off, len); | |
ecc314ba | 597 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 598 | if (ret) |
942a851a | 599 | errval = ret; |
686fbd31 | 600 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
601 | int retry_count = 0; |
602 | ||
4499dbef | 603 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 604 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
605 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
606 | /* | |
607 | * Linux multipath devices reject ioctl while | |
608 | * the maps are being updated. That window can | |
609 | * last tens of milliseconds; we'll try up to | |
610 | * a quarter of a second. | |
611 | */ | |
612 | usleep(10000); | |
613 | ret = blockdev_invalidate_cache(f); | |
614 | } | |
7e0e25c9 | 615 | if (ret < 0 && errno == EACCES && geteuid()) { |
5bdc4522 | 616 | if (!fio_did_warn(FIO_WARN_ROOT_FLUSH)) { |
5ec10eaa JA |
617 | log_err("fio: only root may flush block " |
618 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 | 619 | } |
7e0e25c9 | 620 | } |
942a851a JA |
621 | if (ret < 0) |
622 | errval = errno; | |
4499dbef TK |
623 | } else if (f->filetype == FIO_TYPE_CHAR || |
624 | f->filetype == FIO_TYPE_PIPE) { | |
625 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
4499dbef | 626 | } |
e5b401d4 | 627 | |
dfe11fd1 JA |
628 | /* |
629 | * Cache flushing isn't a fatal condition, and we know it will | |
630 | * happen on some platforms where we don't have the proper | |
631 | * function to flush eg block device caches. So just warn and | |
632 | * continue on our way. | |
633 | */ | |
942a851a | 634 | if (errval) |
22de5d77 TK |
635 | log_info("fio: cache invalidation of %s failed: %s\n", |
636 | f->file_name, strerror(errval)); | |
e5b401d4 | 637 | |
dfe11fd1 | 638 | return 0; |
3baddf24 JA |
639 | |
640 | } | |
641 | ||
642 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
643 | { | |
d6aed795 | 644 | if (!fio_file_open(f)) |
a5fb461f JA |
645 | return 0; |
646 | ||
5e0074c2 | 647 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
648 | } |
649 | ||
6977bcd0 | 650 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 651 | { |
6977bcd0 JA |
652 | int ret = 0; |
653 | ||
ee56ad50 | 654 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
655 | |
656 | remove_file_hash(f); | |
657 | ||
6977bcd0 JA |
658 | if (close(f->fd) < 0) |
659 | ret = errno; | |
660 | ||
b5af8293 | 661 | f->fd = -1; |
e6c4d732 JA |
662 | |
663 | if (f->shadow_fd != -1) { | |
664 | close(f->shadow_fd); | |
665 | f->shadow_fd = -1; | |
666 | } | |
667 | ||
710bf9c5 | 668 | f->engine_pos = 0; |
6977bcd0 | 669 | return ret; |
53cdc686 JA |
670 | } |
671 | ||
1ccc6dc7 | 672 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 673 | { |
29c1349f | 674 | struct fio_file *__f; |
4d4e80f2 JA |
675 | int from_hash; |
676 | ||
677 | __f = lookup_file_hash(f->file_name); | |
678 | if (__f) { | |
9efef3c4 | 679 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 680 | f->lock = __f->lock; |
4d4e80f2 JA |
681 | from_hash = 1; |
682 | } else { | |
9efef3c4 | 683 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
684 | from_hash = 0; |
685 | } | |
686 | ||
9c0f3f32 BC |
687 | #ifdef WIN32 |
688 | flags |= _O_BINARY; | |
689 | #endif | |
690 | ||
e8670ef8 | 691 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
692 | return from_hash; |
693 | } | |
694 | ||
e6c4d732 JA |
695 | static int file_close_shadow_fds(struct thread_data *td) |
696 | { | |
697 | struct fio_file *f; | |
698 | int num_closed = 0; | |
699 | unsigned int i; | |
700 | ||
701 | for_each_file(td, f, i) { | |
702 | if (f->shadow_fd == -1) | |
703 | continue; | |
704 | ||
705 | close(f->shadow_fd); | |
706 | f->shadow_fd = -1; | |
707 | num_closed++; | |
708 | } | |
709 | ||
710 | return num_closed; | |
711 | } | |
712 | ||
4d4e80f2 JA |
713 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
714 | { | |
66159828 | 715 | int is_std = 0; |
53cdc686 | 716 | int flags = 0; |
29c1349f | 717 | int from_hash = 0; |
53cdc686 | 718 | |
ee56ad50 JA |
719 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
720 | ||
66159828 JA |
721 | if (!strcmp(f->file_name, "-")) { |
722 | if (td_rw(td)) { | |
723 | log_err("fio: can't read/write to stdin/out\n"); | |
724 | return 1; | |
725 | } | |
726 | is_std = 1; | |
ce98fa66 JA |
727 | |
728 | /* | |
729 | * move output logging to stderr, if we are writing to stdout | |
730 | */ | |
731 | if (td_write(td)) | |
732 | f_out = stderr; | |
66159828 JA |
733 | } |
734 | ||
6eaf09d6 SL |
735 | if (td_trim(td)) |
736 | goto skip_flags; | |
2dc1bbeb | 737 | if (td->o.odirect) |
2fd233b7 | 738 | flags |= OS_O_DIRECT; |
d01612f3 CM |
739 | if (td->o.oatomic) { |
740 | if (!FIO_O_ATOMIC) { | |
741 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
742 | return 1; | |
743 | } | |
744 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
745 | } | |
eb9f8d7f | 746 | flags |= td->o.sync_io; |
2378826d | 747 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 748 | flags |= O_CREAT; |
6eaf09d6 SL |
749 | skip_flags: |
750 | if (f->filetype != FIO_TYPE_FILE) | |
751 | flags |= FIO_O_NOATIME; | |
53cdc686 | 752 | |
056f3459 | 753 | open_again: |
660a1cb5 | 754 | if (td_write(td)) { |
17308158 JA |
755 | if (!read_only) |
756 | flags |= O_RDWR; | |
53cdc686 | 757 | |
2378826d | 758 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 759 | flags |= O_CREAT; |
2fd233b7 | 760 | |
66159828 JA |
761 | if (is_std) |
762 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
763 | else |
764 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 765 | } else if (td_read(td)) { |
4241ea8f | 766 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
767 | flags |= O_RDWR; |
768 | else | |
769 | flags |= O_RDONLY; | |
770 | ||
66159828 JA |
771 | if (is_std) |
772 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
773 | else |
774 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
775 | } else if (td_trim(td)) { |
776 | assert(!td_rw(td)); /* should have matched above */ | |
11ff4c37 VF |
777 | if (!read_only) |
778 | flags |= O_RDWR; | |
6eaf09d6 | 779 | from_hash = file_lookup_open(f, flags); |
53cdc686 JA |
780 | } |
781 | ||
782 | if (f->fd == -1) { | |
e4e33258 | 783 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
784 | int __e = errno; |
785 | ||
835d9b9e | 786 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 787 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
788 | goto open_again; |
789 | } | |
e6c4d732 JA |
790 | if (__e == EMFILE && file_close_shadow_fds(td)) |
791 | goto open_again; | |
056f3459 | 792 | |
98ffb8f3 | 793 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 794 | |
a93c5f04 JA |
795 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
796 | log_err("fio: looks like your file system does not " \ | |
797 | "support direct=1/buffered=0\n"); | |
798 | } | |
799 | ||
e4e33258 | 800 | td_verror(td, __e, buf); |
3ce3ad33 | 801 | return 1; |
53cdc686 JA |
802 | } |
803 | ||
29c1349f JA |
804 | if (!from_hash && f->fd != -1) { |
805 | if (add_file_hash(f)) { | |
3f0ca9b9 | 806 | int fio_unused ret; |
29c1349f JA |
807 | |
808 | /* | |
e6c4d732 JA |
809 | * Stash away descriptor for later close. This is to |
810 | * work-around a "feature" on Linux, where a close of | |
811 | * an fd that has been opened for write will trigger | |
812 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 813 | * That pollutes the device cache, which can slow down |
e6c4d732 | 814 | * unbuffered accesses. |
29c1349f | 815 | */ |
e6c4d732 JA |
816 | if (f->shadow_fd == -1) |
817 | f->shadow_fd = f->fd; | |
818 | else { | |
819 | /* | |
820 | * OK to ignore, we haven't done anything | |
821 | * with it | |
822 | */ | |
823 | ret = generic_close_file(td, f); | |
824 | } | |
29c1349f JA |
825 | goto open_again; |
826 | } | |
827 | } | |
4906e0b5 | 828 | |
53cdc686 | 829 | return 0; |
b5af8293 JA |
830 | } |
831 | ||
79591fa9 TK |
832 | /* |
833 | * This function i.e. get_file_size() is the default .get_file_size | |
834 | * implementation of majority of I/O engines. | |
835 | */ | |
df9c26b1 | 836 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 837 | { |
df9c26b1 | 838 | return get_file_size(td, f); |
21972cde JA |
839 | } |
840 | ||
7bb48f84 JA |
841 | /* |
842 | * open/close all files, so that ->real_file_size gets set | |
843 | */ | |
bab3fd58 | 844 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
845 | { |
846 | struct fio_file *f; | |
847 | unsigned int i; | |
bab3fd58 | 848 | int err = 0; |
7bb48f84 JA |
849 | |
850 | for_each_file(td, f, i) { | |
08c44a55 | 851 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 852 | f->file_name); |
9efef3c4 | 853 | |
99a47c69 | 854 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
855 | if (td->error != ENOENT) { |
856 | log_err("%s\n", td->verror); | |
857 | err = 1; | |
3ce3ad33 | 858 | break; |
40b44f4a | 859 | } |
541d66d7 | 860 | clear_error(td); |
07eb79df | 861 | } |
409b3417 | 862 | |
79591fa9 TK |
863 | /* |
864 | * There are corner cases where we end up with -1 for | |
865 | * ->real_file_size due to unsupported file type, etc. | |
866 | * We then just set to size option value divided by number | |
867 | * of files, similar to the way file ->io_size is set. | |
868 | * stat(2) failure doesn't set ->real_file_size to -1. | |
869 | */ | |
409b3417 JA |
870 | if (f->real_file_size == -1ULL && td->o.size) |
871 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 872 | } |
bab3fd58 JA |
873 | |
874 | return err; | |
7bb48f84 JA |
875 | } |
876 | ||
2e3bd4c2 JA |
877 | struct fio_mount { |
878 | struct flist_head list; | |
879 | const char *base; | |
880 | char __base[256]; | |
881 | unsigned int key; | |
882 | }; | |
883 | ||
884 | /* | |
885 | * Get free number of bytes for each file on each unique mount. | |
886 | */ | |
887 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
888 | { | |
889 | struct flist_head *n, *tmp; | |
68b0316f | 890 | unsigned long long ret = 0; |
2e3bd4c2 JA |
891 | struct fio_mount *fm; |
892 | FLIST_HEAD(list); | |
893 | struct fio_file *f; | |
894 | unsigned int i; | |
895 | ||
896 | for_each_file(td, f, i) { | |
897 | struct stat sb; | |
898 | char buf[256]; | |
899 | ||
686fbd31 | 900 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
901 | if (f->real_file_size != -1ULL) |
902 | ret += f->real_file_size; | |
68b0316f JA |
903 | continue; |
904 | } else if (f->filetype != FIO_TYPE_FILE) | |
905 | continue; | |
906 | ||
59f94d26 | 907 | snprintf(buf, FIO_ARRAY_SIZE(buf), "%s", f->file_name); |
2e3bd4c2 JA |
908 | |
909 | if (stat(buf, &sb) < 0) { | |
910 | if (errno != ENOENT) | |
911 | break; | |
912 | strcpy(buf, "."); | |
913 | if (stat(buf, &sb) < 0) | |
914 | break; | |
915 | } | |
916 | ||
917 | fm = NULL; | |
918 | flist_for_each(n, &list) { | |
919 | fm = flist_entry(n, struct fio_mount, list); | |
920 | if (fm->key == sb.st_dev) | |
921 | break; | |
922 | ||
923 | fm = NULL; | |
924 | } | |
925 | ||
926 | if (fm) | |
927 | continue; | |
928 | ||
3660ceae | 929 | fm = calloc(1, sizeof(*fm)); |
59f94d26 | 930 | snprintf(fm->__base, FIO_ARRAY_SIZE(fm->__base), "%s", buf); |
2e3bd4c2 JA |
931 | fm->base = basename(fm->__base); |
932 | fm->key = sb.st_dev; | |
933 | flist_add(&fm->list, &list); | |
934 | } | |
935 | ||
2e3bd4c2 JA |
936 | flist_for_each_safe(n, tmp, &list) { |
937 | unsigned long long sz; | |
938 | ||
939 | fm = flist_entry(n, struct fio_mount, list); | |
940 | flist_del(&fm->list); | |
941 | ||
c08ad04c | 942 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
943 | if (sz && sz != -1ULL) |
944 | ret += sz; | |
945 | ||
946 | free(fm); | |
947 | } | |
948 | ||
949 | return ret; | |
950 | } | |
951 | ||
bedc9dc2 | 952 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 953 | { |
0b288ba1 | 954 | bool align = false; |
bedc9dc2 | 955 | struct thread_options *o = &td->o; |
872e0415 JA |
956 | unsigned long long align_bs; |
957 | unsigned long long offset; | |
0b288ba1 | 958 | unsigned long long increment; |
bedc9dc2 JA |
959 | |
960 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
961 | return f->real_file_size; | |
962 | ||
0b288ba1 VF |
963 | if (o->offset_increment_percent) { |
964 | assert(!o->offset_increment); | |
965 | increment = o->offset_increment_percent * f->real_file_size / 100; | |
966 | align = true; | |
967 | } else | |
968 | increment = o->offset_increment; | |
969 | ||
89978a6b | 970 | if (o->start_offset_percent > 0) { |
0b288ba1 VF |
971 | /* calculate the raw offset */ |
972 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
973 | (td->subjob_number * increment); | |
974 | ||
975 | align = true; | |
976 | } else { | |
977 | /* start_offset_percent not set */ | |
978 | offset = o->start_offset + | |
979 | td->subjob_number * increment; | |
980 | } | |
981 | ||
982 | if (align) { | |
872e0415 | 983 | /* |
0b288ba1 | 984 | * if offset_align is provided, use it |
872e0415 | 985 | */ |
83c8b093 JF |
986 | if (fio_option_is_set(o, start_offset_align)) { |
987 | align_bs = o->start_offset_align; | |
872e0415 JA |
988 | } else { |
989 | /* else take the minimum block size */ | |
89978a6b BW |
990 | align_bs = td_min_bs(td); |
991 | } | |
992 | ||
872e0415 JA |
993 | /* |
994 | * block align the offset at the next available boundary at | |
995 | * ceiling(offset / align_bs) * align_bs | |
996 | */ | |
89978a6b | 997 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
89978a6b | 998 | } |
872e0415 | 999 | |
89978a6b | 1000 | return offset; |
ce95d651 DE |
1001 | } |
1002 | ||
7273058c SW |
1003 | /* |
1004 | * Find longest path component that exists and return its length | |
1005 | */ | |
1006 | int longest_existing_path(char *path) { | |
1007 | char buf[PATH_MAX]; | |
1008 | bool done; | |
1009 | char *buf_pos; | |
1010 | int offset; | |
1011 | #ifdef WIN32 | |
1012 | DWORD dwAttr; | |
1013 | #else | |
1014 | struct stat sb; | |
1015 | #endif | |
1016 | ||
1017 | sprintf(buf, "%s", path); | |
1018 | done = false; | |
1019 | while (!done) { | |
1020 | buf_pos = strrchr(buf, FIO_OS_PATH_SEPARATOR); | |
1021 | if (!buf_pos) { | |
1022 | done = true; | |
1023 | offset = 0; | |
1024 | break; | |
1025 | } | |
1026 | ||
1027 | *(buf_pos + 1) = '\0'; | |
1028 | ||
1029 | #ifdef WIN32 | |
1030 | dwAttr = GetFileAttributesA(buf); | |
1031 | if (dwAttr != INVALID_FILE_ATTRIBUTES) { | |
1032 | done = true; | |
1033 | } | |
1034 | #else | |
1035 | if (stat(buf, &sb) == 0) | |
1036 | done = true; | |
1037 | #endif | |
1038 | if (done) | |
1039 | offset = buf_pos - buf; | |
1040 | else | |
1041 | *buf_pos = '\0'; | |
1042 | } | |
1043 | ||
1044 | return offset; | |
1045 | } | |
1046 | ||
95af8dd5 KZ |
1047 | static bool create_work_dirs(struct thread_data *td, const char *fname) |
1048 | { | |
1049 | char path[PATH_MAX]; | |
1050 | char *start, *end; | |
7273058c | 1051 | int offset; |
95af8dd5 | 1052 | |
df18600f SW |
1053 | snprintf(path, PATH_MAX, "%s", fname); |
1054 | start = path; | |
95af8dd5 | 1055 | |
7273058c SW |
1056 | offset = longest_existing_path(path); |
1057 | end = start + offset; | |
95af8dd5 | 1058 | while ((end = strchr(end, FIO_OS_PATH_SEPARATOR)) != NULL) { |
df18600f SW |
1059 | if (end == start) { |
1060 | end++; | |
1061 | continue; | |
1062 | } | |
95af8dd5 KZ |
1063 | *end = '\0'; |
1064 | errno = 0; | |
df18600f | 1065 | if (fio_mkdir(path, 0700) && errno != EEXIST) { |
7273058c SW |
1066 | log_err("fio: failed to create dir (%s): %s\n", |
1067 | start, strerror(errno)); | |
95af8dd5 KZ |
1068 | return false; |
1069 | } | |
1070 | *end = FIO_OS_PATH_SEPARATOR; | |
1071 | end++; | |
1072 | } | |
1073 | td->flags |= TD_F_DIRS_CREATED; | |
1074 | return true; | |
1075 | } | |
1076 | ||
7bb48f84 JA |
1077 | /* |
1078 | * Open the files and setup files sizes, creating files if necessary. | |
1079 | */ | |
53cdc686 JA |
1080 | int setup_files(struct thread_data *td) |
1081 | { | |
7bb48f84 | 1082 | unsigned long long total_size, extend_size; |
de98bd30 | 1083 | struct thread_options *o = &td->o; |
53cdc686 | 1084 | struct fio_file *f; |
002fe734 | 1085 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 1086 | int err = 0, need_extend; |
e90391eb | 1087 | int old_state; |
5fff9543 | 1088 | const unsigned long long bs = td_min_bs(td); |
002fe734 | 1089 | uint64_t fs = 0; |
53cdc686 | 1090 | |
ee56ad50 JA |
1091 | dprint(FD_FILE, "setup files\n"); |
1092 | ||
8edd973d | 1093 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 1094 | |
95af8dd5 KZ |
1095 | for_each_file(td, f, i) { |
1096 | if (!td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1097 | strchr(f->file_name, FIO_OS_PATH_SEPARATOR) && | |
1098 | !(td->flags & TD_F_DIRS_CREATED) && | |
1099 | !create_work_dirs(td, f->file_name)) | |
1100 | goto err_out; | |
1101 | } | |
1102 | ||
53cdc686 | 1103 | /* |
79591fa9 TK |
1104 | * Find out physical size of files or devices for this thread, |
1105 | * before we determine I/O size and range of our targets. | |
1106 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
1107 | * opening the files and setting f->real_file_size to indicate |
1108 | * the valid range for that file. | |
53cdc686 JA |
1109 | */ |
1110 | if (td->io_ops->setup) | |
7bb48f84 JA |
1111 | err = td->io_ops->setup(td); |
1112 | else | |
bab3fd58 | 1113 | err = get_file_sizes(td); |
53cdc686 | 1114 | |
f1027063 | 1115 | if (err) |
e90391eb | 1116 | goto err_out; |
f1027063 | 1117 | |
934c3085 AK |
1118 | if (o->read_iolog_file) |
1119 | goto done; | |
1df4ee29 | 1120 | |
8f39afa7 AD |
1121 | if (td->o.zone_mode == ZONE_MODE_ZBD) { |
1122 | err = zbd_init_files(td); | |
1123 | if (err) | |
1124 | goto err_out; | |
1125 | } | |
1126 | zbd_recalc_options_with_zone_granularity(td); | |
1127 | ||
0a7eb121 | 1128 | /* |
7bb48f84 JA |
1129 | * check sizes. if the files/devices do not exist and the size |
1130 | * isn't passed to fio, abort. | |
0a7eb121 | 1131 | */ |
7bb48f84 JA |
1132 | total_size = 0; |
1133 | for_each_file(td, f, i) { | |
49a416bd | 1134 | f->fileno = i; |
7bb48f84 JA |
1135 | if (f->real_file_size == -1ULL) |
1136 | total_size = -1ULL; | |
1137 | else | |
1138 | total_size += f->real_file_size; | |
1139 | } | |
0a7eb121 | 1140 | |
de98bd30 | 1141 | if (o->fill_device) |
2e3bd4c2 JA |
1142 | td->fill_device_size = get_fs_free_counts(td); |
1143 | ||
7bb48f84 JA |
1144 | /* |
1145 | * device/file sizes are zero and no size given, punt | |
1146 | */ | |
de98bd30 | 1147 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 1148 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
1149 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
1150 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 1151 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 1152 | goto err_out; |
53cdc686 JA |
1153 | } |
1154 | ||
002fe734 JA |
1155 | /* |
1156 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 1157 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 1158 | */ |
d1e78e6b | 1159 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
1160 | uint64_t all_fs; |
1161 | ||
1162 | fs = o->size / o->nr_files; | |
1163 | all_fs = fs * o->nr_files; | |
1164 | ||
1165 | if (all_fs < o->size) | |
1166 | nr_fs_extra = (o->size - all_fs) / bs; | |
1167 | } | |
1168 | ||
7bb48f84 JA |
1169 | /* |
1170 | * now file sizes are known, so we can set ->io_size. if size= is | |
1171 | * not given, ->io_size is just equal to ->real_file_size. if size | |
1172 | * is given, ->io_size is size / nr_files. | |
1173 | */ | |
1174 | extend_size = total_size = 0; | |
1175 | need_extend = 0; | |
1176 | for_each_file(td, f, i) { | |
bedc9dc2 | 1177 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 1178 | |
79591fa9 TK |
1179 | /* |
1180 | * Update ->io_size depending on options specified. | |
1181 | * ->file_size_low being 0 means filesize option isn't set. | |
1182 | * Non zero ->file_size_low equals ->file_size_high means | |
1183 | * filesize option is set in a fixed size format. | |
1184 | * Non zero ->file_size_low not equals ->file_size_high means | |
1185 | * filesize option is set in a range format. | |
1186 | */ | |
de98bd30 | 1187 | if (!o->file_size_low) { |
7bb48f84 | 1188 | /* |
79591fa9 | 1189 | * no file size or range given, file size is equal to |
c4aa2d08 | 1190 | * total size divided by number of files. If the size |
002fe734 JA |
1191 | * doesn't divide nicely with the min blocksize, |
1192 | * make the first files bigger. | |
7bb48f84 | 1193 | */ |
0d060147 | 1194 | f->io_size = fs; |
002fe734 JA |
1195 | if (nr_fs_extra) { |
1196 | nr_fs_extra--; | |
1197 | f->io_size += bs; | |
1198 | } | |
1199 | ||
c4aa2d08 | 1200 | /* |
c6dfd837 TK |
1201 | * We normally don't come here for regular files, but |
1202 | * if the result is 0 for a regular file, set it to the | |
1203 | * real file size. This could be size of the existing | |
1204 | * one if it already exists, but otherwise will be set | |
1205 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
1206 | * ->io_size + ->file_offset equals ->real_file_size. |
1207 | */ | |
1208 | if (!f->io_size) { | |
1209 | if (f->file_offset > f->real_file_size) | |
1210 | goto err_offset; | |
273f8c91 | 1211 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
1212 | if (!f->io_size) |
1213 | log_info("fio: file %s may be ignored\n", | |
1214 | f->file_name); | |
1215 | } | |
de98bd30 JA |
1216 | } else if (f->real_file_size < o->file_size_low || |
1217 | f->real_file_size > o->file_size_high) { | |
1218 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1219 | goto err_offset; |
7bb48f84 JA |
1220 | /* |
1221 | * file size given. if it's fixed, use that. if it's a | |
1222 | * range, generate a random size in-between. | |
1223 | */ | |
de98bd30 JA |
1224 | if (o->file_size_low == o->file_size_high) |
1225 | f->io_size = o->file_size_low - f->file_offset; | |
1226 | else { | |
5ec10eaa JA |
1227 | f->io_size = get_rand_file_size(td) |
1228 | - f->file_offset; | |
1229 | } | |
65bdb10a | 1230 | } else |
bcdedd0a | 1231 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1232 | |
7bb48f84 JA |
1233 | if (f->io_size == -1ULL) |
1234 | total_size = -1ULL; | |
4d002569 | 1235 | else { |
8b38f401 AD |
1236 | uint64_t io_size; |
1237 | ||
408874da | 1238 | if (o->size_percent && o->size_percent != 100) { |
76e4bb4f SW |
1239 | uint64_t file_size; |
1240 | ||
1241 | file_size = f->io_size + f->file_offset; | |
1242 | f->io_size = (file_size * | |
1243 | o->size_percent) / 100; | |
1244 | if (f->io_size > (file_size - f->file_offset)) | |
1245 | f->io_size = file_size - f->file_offset; | |
1246 | ||
e391c704 JA |
1247 | f->io_size -= (f->io_size % td_min_bs(td)); |
1248 | } | |
8b38f401 AD |
1249 | |
1250 | io_size = f->io_size; | |
1251 | if (o->io_size_percent && o->io_size_percent != 100) { | |
1252 | io_size *= o->io_size_percent; | |
1253 | io_size /= 100; | |
1254 | } | |
1255 | ||
1256 | total_size += io_size; | |
4d002569 | 1257 | } |
7bb48f84 JA |
1258 | |
1259 | if (f->filetype == FIO_TYPE_FILE && | |
3c029ac4 SK |
1260 | (f->io_size + f->file_offset) > f->real_file_size) { |
1261 | if (!td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1262 | !o->create_on_open) { | |
5fd31680 | 1263 | need_extend++; |
814452bd | 1264 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1265 | fio_file_set_extend(f); |
3c029ac4 SK |
1266 | } else if (!td_ioengine_flagged(td, FIO_DISKLESSIO) || |
1267 | (td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1268 | td_ioengine_flagged(td, FIO_FAKEIO))) | |
814452bd | 1269 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1270 | } |
7bb48f84 | 1271 | } |
53cdc686 | 1272 | |
66347cfa DE |
1273 | if (td->o.block_error_hist) { |
1274 | int len; | |
1275 | ||
1276 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1277 | f = td->files[0]; | |
1278 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1279 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1280 | log_err("fio: cannot calculate block histogram with " | |
1281 | "%d trim blocks, maximum %d\n", | |
1282 | len, MAX_NR_BLOCK_INFOS); | |
1283 | td_verror(td, EINVAL, "block_error_hist"); | |
1284 | goto err_out; | |
1285 | } | |
1286 | ||
1287 | td->ts.nr_block_infos = len; | |
8a68c41c | 1288 | for (i = 0; i < len; i++) |
66347cfa DE |
1289 | td->ts.block_infos[i] = |
1290 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1291 | } else | |
1292 | td->ts.nr_block_infos = 0; | |
1293 | ||
0bc27b0b | 1294 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1295 | o->size = total_size; |
21972cde | 1296 | |
d1faa06d | 1297 | if (o->size < td_min_bs(td)) { |
6c3c11e5 | 1298 | log_err("fio: blocksize is larger than data set range\n"); |
d1faa06d JA |
1299 | goto err_out; |
1300 | } | |
1301 | ||
7bb48f84 | 1302 | /* |
79591fa9 TK |
1303 | * See if we need to extend some files, typically needed when our |
1304 | * target regular files don't exist yet, but our jobs require them | |
1305 | * initially due to read I/Os. | |
7bb48f84 JA |
1306 | */ |
1307 | if (need_extend) { | |
1308 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1309 | if (output_format & FIO_OUTPUT_NORMAL) { |
1310 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1311 | o->name, | |
1312 | need_extend > 1 ? "s" : "", | |
1313 | need_extend, | |
1314 | need_extend > 1 ? "s" : "", | |
1315 | need_extend > 1 ? "total " : "", | |
1316 | extend_size >> 20); | |
1317 | } | |
7bb48f84 JA |
1318 | |
1319 | for_each_file(td, f, i) { | |
5e0074c2 | 1320 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1321 | |
d6aed795 | 1322 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1323 | continue; |
1324 | ||
409b3417 | 1325 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1326 | fio_file_clear_extend(f); |
de98bd30 | 1327 | if (!o->fill_device) { |
5e0074c2 | 1328 | old_len = f->real_file_size; |
0b9d69ec JA |
1329 | extend_len = f->io_size + f->file_offset - |
1330 | old_len; | |
5e0074c2 | 1331 | } |
bcdedd0a | 1332 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1333 | err = extend_file(td, f); |
1334 | if (err) | |
3baddf24 | 1335 | break; |
5e0074c2 | 1336 | |
3baddf24 JA |
1337 | err = __file_invalidate_cache(td, f, old_len, |
1338 | extend_len); | |
9824f73b JA |
1339 | |
1340 | /* | |
1341 | * Shut up static checker | |
1342 | */ | |
1343 | if (f->fd != -1) | |
1344 | close(f->fd); | |
1345 | ||
3baddf24 JA |
1346 | f->fd = -1; |
1347 | if (err) | |
7bb48f84 JA |
1348 | break; |
1349 | } | |
1350 | temp_stall_ts = 0; | |
1351 | } | |
1352 | ||
8c47cc76 ŁS |
1353 | if (err) |
1354 | goto err_out; | |
1355 | ||
1356 | /* | |
1357 | * Prepopulate files with data. It might be expected to read some | |
1358 | * "real" data instead of zero'ed files (if no writes to file occurred | |
1359 | * prior to a read job). Engine has to provide a way to do that. | |
1360 | */ | |
1361 | if (td->io_ops->prepopulate_file) { | |
1362 | temp_stall_ts = 1; | |
1363 | ||
1364 | for_each_file(td, f, i) { | |
1365 | if (output_format & FIO_OUTPUT_NORMAL) { | |
1366 | log_info("%s: Prepopulating IO file (%s)\n", | |
1367 | o->name, f->file_name); | |
1368 | } | |
1369 | ||
1370 | err = td->io_ops->prepopulate_file(td, f); | |
1371 | if (err) | |
1372 | break; | |
1373 | ||
1374 | err = __file_invalidate_cache(td, f, f->file_offset, | |
1375 | f->io_size); | |
1376 | ||
1377 | /* | |
1378 | * Shut up static checker | |
1379 | */ | |
1380 | if (f->fd != -1) | |
1381 | close(f->fd); | |
1382 | ||
1383 | f->fd = -1; | |
1384 | if (err) | |
1385 | break; | |
1386 | } | |
1387 | temp_stall_ts = 0; | |
1388 | } | |
1389 | ||
7bb48f84 | 1390 | if (err) |
e90391eb | 1391 | goto err_out; |
7bb48f84 | 1392 | |
ea966f81 JA |
1393 | /* |
1394 | * iolog already set the total io size, if we read back | |
1395 | * stored entries. | |
1396 | */ | |
77731b29 | 1397 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1398 | if (o->io_size) |
1399 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1400 | else |
1401 | td->total_io_size = o->size * o->loops; | |
1402 | } | |
25460cf6 JA |
1403 | |
1404 | done: | |
bfbdd35b | 1405 | if (td->o.zone_mode == ZONE_MODE_ZBD) { |
3c1dc34c | 1406 | err = zbd_setup_files(td); |
bfbdd35b BVA |
1407 | if (err) |
1408 | goto err_out; | |
1409 | } | |
8f39afa7 AD |
1410 | |
1411 | if (o->create_only) | |
1412 | td->done = 1; | |
1413 | ||
1414 | td_restore_runstate(td, old_state); | |
1415 | ||
7bb48f84 | 1416 | return 0; |
bfbdd35b | 1417 | |
bcdedd0a | 1418 | err_offset: |
de98bd30 | 1419 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1420 | err_out: |
8edd973d | 1421 | td_restore_runstate(td, old_state); |
bcdedd0a | 1422 | return 1; |
53cdc686 JA |
1423 | } |
1424 | ||
c139f3b4 | 1425 | bool pre_read_files(struct thread_data *td) |
afad68f7 ZY |
1426 | { |
1427 | struct fio_file *f; | |
1428 | unsigned int i; | |
1429 | ||
1430 | dprint(FD_FILE, "pre_read files\n"); | |
1431 | ||
1432 | for_each_file(td, f, i) { | |
c139f3b4 JA |
1433 | if (!pre_read_file(td, f)) |
1434 | return false; | |
afad68f7 ZY |
1435 | } |
1436 | ||
c139f3b4 | 1437 | return true; |
afad68f7 ZY |
1438 | } |
1439 | ||
3a03f0cf | 1440 | static void __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
9c6f6316 | 1441 | { |
2316296a | 1442 | unsigned int range_size, seed; |
abb60c32 | 1443 | uint64_t nranges; |
42da5c8b | 1444 | uint64_t fsize; |
9c6f6316 JA |
1445 | |
1446 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1447 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1448 | |
abb60c32 | 1449 | nranges = (fsize + range_size - 1ULL) / range_size; |
9c6f6316 | 1450 | |
2316296a | 1451 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1452 | if (!td->o.rand_repeatable) |
1453 | seed = td->rand_seeds[4]; | |
1454 | ||
9c6f6316 | 1455 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
a87c90fd | 1456 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, td->o.random_center.u.f, seed); |
56d9fa4b | 1457 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
a87c90fd | 1458 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, td->o.random_center.u.f, seed); |
56d9fa4b | 1459 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
a87c90fd | 1460 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, td->o.random_center.u.f, seed); |
9c6f6316 JA |
1461 | } |
1462 | ||
4d832322 | 1463 | static bool init_rand_distribution(struct thread_data *td) |
9c6f6316 JA |
1464 | { |
1465 | struct fio_file *f; | |
1466 | unsigned int i; | |
1467 | int state; | |
1468 | ||
fd9882fa JA |
1469 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM || |
1470 | td->o.random_distribution == FIO_RAND_DIST_ZONED || | |
1471 | td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS) | |
4d832322 | 1472 | return false; |
9c6f6316 | 1473 | |
8edd973d JA |
1474 | state = td_bump_runstate(td, TD_SETTING_UP); |
1475 | ||
9c6f6316 JA |
1476 | for_each_file(td, f, i) |
1477 | __init_rand_distribution(td, f); | |
8edd973d JA |
1478 | |
1479 | td_restore_runstate(td, state); | |
4d832322 | 1480 | return true; |
9c6f6316 JA |
1481 | } |
1482 | ||
75f90d5f JA |
1483 | /* |
1484 | * Check if the number of blocks exceeds the randomness capability of | |
1485 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1486 | * 64-bit capable. | |
1487 | */ | |
1488 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1489 | uint64_t blocks) | |
1490 | { | |
1491 | if (blocks <= FRAND32_MAX) | |
1492 | return 0; | |
1493 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1494 | return 0; | |
1495 | ||
1496 | /* | |
1497 | * If the user hasn't specified a random generator, switch | |
1498 | * to tausworthe64 with informational warning. If the user did | |
1499 | * specify one, just warn. | |
1500 | */ | |
1501 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1502 | f->file_name); | |
1503 | ||
1504 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1505 | log_info("fio: Switching to tausworthe64. Use the " | |
1506 | "random_generator= option to get rid of this " | |
4e795a3e | 1507 | "warning.\n"); |
75f90d5f JA |
1508 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1509 | return 0; | |
1510 | } | |
1511 | ||
1512 | /* | |
1513 | * Just make this information to avoid breaking scripts. | |
1514 | */ | |
1515 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1516 | "tausworthe64.\n"); | |
1517 | return 0; | |
1518 | } | |
1519 | ||
4d832322 | 1520 | bool init_random_map(struct thread_data *td) |
68727076 | 1521 | { |
51ede0b1 | 1522 | unsigned long long blocks; |
68727076 JA |
1523 | struct fio_file *f; |
1524 | unsigned int i; | |
1525 | ||
9c6f6316 | 1526 | if (init_rand_distribution(td)) |
4d832322 | 1527 | return true; |
3831a843 | 1528 | if (!td_random(td)) |
4d832322 | 1529 | return true; |
68727076 JA |
1530 | |
1531 | for_each_file(td, f, i) { | |
42da5c8b | 1532 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1533 | |
3ed8c570 VF |
1534 | if (td->o.zone_mode == ZONE_MODE_STRIDED) |
1535 | fsize = td->o.zone_range; | |
1536 | ||
42da5c8b | 1537 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1538 | |
75f90d5f | 1539 | if (check_rand_gen_limits(td, f, blocks)) |
4d832322 | 1540 | return false; |
37fbd7e9 | 1541 | |
8055e41d | 1542 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
9781c080 | 1543 | uint64_t seed; |
82af46be JA |
1544 | |
1545 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1546 | |
967d1b63 JA |
1547 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1548 | fio_file_set_lfsr(f); | |
8055e41d | 1549 | continue; |
78f59d40 VF |
1550 | } else { |
1551 | log_err("fio: failed initializing LFSR\n"); | |
1552 | return false; | |
967d1b63 | 1553 | } |
3831a843 | 1554 | } else if (!td->o.norandommap) { |
7ebd796f | 1555 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1556 | if (f->io_axmap) { |
1557 | fio_file_set_axmap(f); | |
8055e41d | 1558 | continue; |
967d1b63 | 1559 | } |
1cad7121 JA |
1560 | } else if (td->o.norandommap) |
1561 | continue; | |
ceadd59e | 1562 | |
2b386d25 | 1563 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1564 | log_err("fio: failed allocating random map. If running" |
1565 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1566 | " option or set 'softrandommap'. Or give" |
1567 | " a larger --alloc-size to fio.\n"); | |
4d832322 | 1568 | return false; |
68727076 | 1569 | } |
303032ae JA |
1570 | |
1571 | log_info("fio: file %s failed allocating random map. Running " | |
1572 | "job without.\n", f->file_name); | |
68727076 JA |
1573 | } |
1574 | ||
4d832322 | 1575 | return true; |
68727076 JA |
1576 | } |
1577 | ||
53cdc686 JA |
1578 | void close_files(struct thread_data *td) |
1579 | { | |
0ab8db89 | 1580 | struct fio_file *f; |
af52b345 | 1581 | unsigned int i; |
53cdc686 | 1582 | |
2be3eec3 JA |
1583 | for_each_file(td, f, i) { |
1584 | if (fio_file_open(f)) | |
1585 | td_io_close_file(td, f); | |
1586 | } | |
24ffd2c2 JA |
1587 | } |
1588 | ||
e711df54 JA |
1589 | void fio_file_free(struct fio_file *f) |
1590 | { | |
1591 | if (fio_file_axmap(f)) | |
1592 | axmap_free(f->io_axmap); | |
1593 | if (!fio_file_smalloc(f)) { | |
1594 | free(f->file_name); | |
1595 | free(f); | |
1596 | } else { | |
1597 | sfree(f->file_name); | |
1598 | sfree(f); | |
1599 | } | |
1600 | } | |
1601 | ||
24ffd2c2 JA |
1602 | void close_and_free_files(struct thread_data *td) |
1603 | { | |
1604 | struct fio_file *f; | |
1605 | unsigned int i; | |
1606 | ||
ee56ad50 JA |
1607 | dprint(FD_FILE, "close files\n"); |
1608 | ||
0ab8db89 | 1609 | for_each_file(td, f, i) { |
38ef9c90 CF |
1610 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1611 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1612 | td_io_unlink_file(td, f); | |
1613 | } | |
1614 | ||
22a57ba8 JA |
1615 | if (fio_file_open(f)) |
1616 | td_io_close_file(td, f); | |
1617 | ||
b9fbcf21 | 1618 | remove_file_hash(f); |
b3dc7f07 | 1619 | |
b5f4d8ba JA |
1620 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1621 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1622 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1623 | } |
1624 | ||
3c1dc34c | 1625 | zbd_close_file(f); |
e711df54 | 1626 | fio_file_free(f); |
53cdc686 | 1627 | } |
b4a6a59a | 1628 | |
2dc1bbeb | 1629 | td->o.filename = NULL; |
cade3ef4 | 1630 | free(td->files); |
d7df1d13 | 1631 | free(td->file_locks); |
9efef3c4 | 1632 | td->files_index = 0; |
b4a6a59a | 1633 | td->files = NULL; |
d7df1d13 | 1634 | td->file_locks = NULL; |
27ddbfa0 | 1635 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1636 | td->o.nr_files = 0; |
53cdc686 | 1637 | } |
af52b345 | 1638 | |
e3bab463 | 1639 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1640 | { |
1641 | struct stat sb; | |
1642 | ||
66159828 JA |
1643 | if (!strcmp(f->file_name, "-")) |
1644 | f->filetype = FIO_TYPE_PIPE; | |
1645 | else | |
1646 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1647 | |
d5b78f5a | 1648 | #ifdef WIN32 |
3892182a BC |
1649 | /* \\.\ is the device namespace in Windows, where every file is |
1650 | * a block device */ | |
1651 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1652 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1653 | #endif |
3892182a | 1654 | |
b30d395e | 1655 | if (!stat(f->file_name, &sb)) { |
3892182a | 1656 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1657 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1658 | else if (S_ISCHR(sb.st_mode)) |
1659 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1660 | else if (S_ISFIFO(sb.st_mode)) |
1661 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1662 | } |
1663 | } | |
1664 | ||
1b2a83dc | 1665 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1666 | { |
90426237 | 1667 | struct flist_head *entry; |
1b2a83dc | 1668 | bool ret; |
bcbfeefa | 1669 | |
1b2a83dc JA |
1670 | ret = file_bloom_exists(fname, set); |
1671 | if (!ret) | |
1672 | return ret; | |
90426237 JA |
1673 | |
1674 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1675 | struct file_name *fn; |
90426237 | 1676 | |
04d6530f JA |
1677 | fn = flist_entry(entry, struct file_name, list); |
1678 | ||
1679 | if (!strcmp(fn->filename, fname)) | |
1680 | return true; | |
90426237 JA |
1681 | } |
1682 | ||
04d6530f | 1683 | return false; |
bcbfeefa CE |
1684 | } |
1685 | ||
04d6530f | 1686 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1687 | { |
04d6530f | 1688 | bool ret; |
bcbfeefa | 1689 | |
90426237 | 1690 | fio_file_hash_lock(); |
1b2a83dc | 1691 | ret = __is_already_allocated(fname, false); |
90426237 | 1692 | fio_file_hash_unlock(); |
04d6530f | 1693 | |
90426237 JA |
1694 | return ret; |
1695 | } | |
bcbfeefa | 1696 | |
90426237 JA |
1697 | static void set_already_allocated(const char *fname) |
1698 | { | |
1699 | struct file_name *fn; | |
1700 | ||
1701 | fn = malloc(sizeof(struct file_name)); | |
1702 | fn->filename = strdup(fname); | |
1703 | ||
1704 | fio_file_hash_lock(); | |
1b2a83dc | 1705 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1706 | flist_add_tail(&fn->list, &filename_list); |
1707 | fn = NULL; | |
bcbfeefa | 1708 | } |
90426237 | 1709 | fio_file_hash_unlock(); |
bcbfeefa | 1710 | |
90426237 JA |
1711 | if (fn) { |
1712 | free(fn->filename); | |
1713 | free(fn); | |
1714 | } | |
bcbfeefa CE |
1715 | } |
1716 | ||
190b8f0c CF |
1717 | static void free_already_allocated(void) |
1718 | { | |
bcbfeefa CE |
1719 | struct flist_head *entry, *tmp; |
1720 | struct file_name *fn; | |
1721 | ||
90426237 JA |
1722 | if (flist_empty(&filename_list)) |
1723 | return; | |
1724 | ||
1725 | fio_file_hash_lock(); | |
1726 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1727 | fn = flist_entry(entry, struct file_name, list); | |
1728 | free(fn->filename); | |
1729 | flist_del(&fn->list); | |
1730 | free(fn); | |
bcbfeefa | 1731 | } |
90426237 JA |
1732 | |
1733 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1734 | } |
1735 | ||
7b5cb700 JA |
1736 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1737 | { | |
1738 | struct fio_file *f; | |
1739 | ||
cb9bf647 JB |
1740 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1741 | f = calloc(1, sizeof(*f)); | |
1742 | else | |
e0b3258b | 1743 | f = scalloc(1, sizeof(*f)); |
7b5cb700 | 1744 | if (!f) { |
7b5cb700 JA |
1745 | assert(0); |
1746 | return NULL; | |
1747 | } | |
1748 | ||
1749 | f->fd = -1; | |
1750 | f->shadow_fd = -1; | |
1751 | fio_file_reset(td, f); | |
6081231a JA |
1752 | if (!td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1753 | fio_file_set_smalloc(f); | |
7b5cb700 JA |
1754 | return f; |
1755 | } | |
1756 | ||
04d6530f JA |
1757 | bool exists_and_not_regfile(const char *filename) |
1758 | { | |
1759 | struct stat sb; | |
1760 | ||
1761 | if (lstat(filename, &sb) == -1) | |
1762 | return false; | |
1763 | ||
1764 | #ifndef WIN32 /* NOT Windows */ | |
1765 | if (S_ISREG(sb.st_mode)) | |
1766 | return false; | |
1767 | #else | |
1768 | /* \\.\ is the device namespace in Windows, where every file | |
1769 | * is a device node */ | |
1770 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1771 | return false; | |
1772 | #endif | |
1773 | ||
1774 | return true; | |
1775 | } | |
1776 | ||
5903e7b7 | 1777 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1778 | { |
7b4e4fe5 | 1779 | int cur_files = td->files_index; |
bd0ee748 | 1780 | char file_name[PATH_MAX]; |
af52b345 | 1781 | struct fio_file *f; |
bd0ee748 | 1782 | int len = 0; |
af52b345 | 1783 | |
ee56ad50 JA |
1784 | dprint(FD_FILE, "add file %s\n", fname); |
1785 | ||
bcbfeefa | 1786 | if (td->o.directory) |
922a5be8 JA |
1787 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1788 | td->o.unique_filename); | |
bcbfeefa CE |
1789 | |
1790 | sprintf(file_name + len, "%s", fname); | |
1791 | ||
1792 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1793 | if (numjob && is_already_allocated(file_name) && |
1794 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1795 | return 0; |
1796 | ||
7b5cb700 | 1797 | f = alloc_new_file(td); |
bd0ee748 | 1798 | |
fc99bc0d | 1799 | if (td->files_size <= td->files_index) { |
1983e327 | 1800 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1801 | |
fc99bc0d JA |
1802 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1803 | ||
1804 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1805 | if (td->files == NULL) { |
1806 | log_err("fio: realloc OOM\n"); | |
1807 | assert(0); | |
1808 | } | |
d7df1d13 JA |
1809 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1810 | td->file_locks = realloc(td->file_locks, new_size); | |
1811 | if (!td->file_locks) { | |
1812 | log_err("fio: realloc OOM\n"); | |
1813 | assert(0); | |
1814 | } | |
1815 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1816 | } | |
fc99bc0d JA |
1817 | td->files_size = new_size; |
1818 | } | |
8bb7679e | 1819 | td->files[cur_files] = f; |
89ac1d48 | 1820 | f->fileno = cur_files; |
126d65c6 | 1821 | |
07eb79df JA |
1822 | /* |
1823 | * init function, io engine may not be loaded yet | |
1824 | */ | |
9b87f09b | 1825 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1826 | f->real_file_size = -1ULL; |
1827 | ||
cb9bf647 JB |
1828 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1829 | f->file_name = strdup(file_name); | |
1830 | else | |
1831 | f->file_name = smalloc_strdup(file_name); | |
b2e6494c JA |
1832 | |
1833 | /* can't handle smalloc failure from here */ | |
1834 | assert(f->file_name); | |
0b9d69ec | 1835 | |
e3bab463 | 1836 | get_file_type(f); |
af52b345 | 1837 | |
4d4e80f2 JA |
1838 | switch (td->o.file_lock_mode) { |
1839 | case FILE_LOCK_NONE: | |
1840 | break; | |
1841 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1842 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1843 | break; |
1844 | case FILE_LOCK_EXCLUSIVE: | |
971caeb1 | 1845 | f->lock = fio_sem_init(FIO_SEM_UNLOCKED); |
4d4e80f2 JA |
1846 | break; |
1847 | default: | |
1848 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1849 | assert(0); | |
1850 | } | |
29c1349f | 1851 | |
7b4e4fe5 | 1852 | td->files_index++; |
f29b25a3 | 1853 | |
084a5475 JA |
1854 | if (td->o.numjobs > 1) |
1855 | set_already_allocated(file_name); | |
bcbfeefa | 1856 | |
5903e7b7 JA |
1857 | if (inc) |
1858 | td->o.nr_files++; | |
1859 | ||
5ec10eaa JA |
1860 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1861 | cur_files); | |
9efef3c4 | 1862 | |
f29b25a3 | 1863 | return cur_files; |
af52b345 | 1864 | } |
0ad920e7 | 1865 | |
49ffb4a2 JA |
1866 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1867 | { | |
1868 | struct fio_file *f; | |
1869 | unsigned int i; | |
1870 | ||
1871 | for_each_file(td, f, i) { | |
1872 | if (!strcmp(f->file_name, fname)) | |
1873 | return i; | |
1874 | } | |
1875 | ||
5903e7b7 | 1876 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1877 | } |
1878 | ||
0ad920e7 JA |
1879 | void get_file(struct fio_file *f) |
1880 | { | |
8172fe97 | 1881 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1882 | assert(fio_file_open(f)); |
0ad920e7 JA |
1883 | f->references++; |
1884 | } | |
1885 | ||
6977bcd0 | 1886 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1887 | { |
98e1ac4e | 1888 | int f_ret = 0, ret = 0; |
6977bcd0 | 1889 | |
8172fe97 | 1890 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1891 | |
22a57ba8 JA |
1892 | if (!fio_file_open(f)) { |
1893 | assert(f->fd == -1); | |
6977bcd0 | 1894 | return 0; |
22a57ba8 | 1895 | } |
0ad920e7 JA |
1896 | |
1897 | assert(f->references); | |
1898 | if (--f->references) | |
6977bcd0 | 1899 | return 0; |
0ad920e7 | 1900 | |
230f33fb AK |
1901 | disk_util_dec(f->du); |
1902 | ||
1903 | if (td->o.file_lock_mode != FILE_LOCK_NONE) | |
1904 | unlock_file_all(td, f); | |
1905 | ||
71b84caa | 1906 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1907 | f_ret = fsync(f->fd); |
71b84caa JA |
1908 | if (f_ret < 0) |
1909 | f_ret = errno; | |
1910 | } | |
ebb1415f | 1911 | |
0ad920e7 | 1912 | if (td->io_ops->close_file) |
6977bcd0 | 1913 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1914 | |
98e1ac4e | 1915 | if (!ret) |
a5fb461f | 1916 | ret = f_ret; |
98e1ac4e | 1917 | |
0ad920e7 | 1918 | td->nr_open_files--; |
230f33fb | 1919 | fio_file_clear_closing(f); |
d6aed795 | 1920 | fio_file_clear_open(f); |
22a57ba8 | 1921 | assert(f->fd == -1); |
6977bcd0 | 1922 | return ret; |
0ad920e7 | 1923 | } |
bbf6b540 | 1924 | |
4d4e80f2 | 1925 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1926 | { |
4d4e80f2 JA |
1927 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1928 | return; | |
29c1349f | 1929 | |
4d4e80f2 JA |
1930 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1931 | if (ddir == DDIR_READ) | |
d7df1d13 | 1932 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1933 | else |
d7df1d13 | 1934 | fio_rwlock_write(f->rwlock); |
4d4e80f2 | 1935 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
971caeb1 | 1936 | fio_sem_down(f->lock); |
4d4e80f2 | 1937 | |
d7df1d13 | 1938 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1939 | } |
1940 | ||
4d4e80f2 | 1941 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1942 | { |
4d4e80f2 JA |
1943 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1944 | return; | |
4d4e80f2 | 1945 | |
d7df1d13 JA |
1946 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1947 | fio_rwlock_unlock(f->rwlock); | |
1948 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
971caeb1 | 1949 | fio_sem_up(f->lock); |
d7df1d13 JA |
1950 | |
1951 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1952 | } |
1953 | ||
4d4e80f2 JA |
1954 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1955 | { | |
f2a2803a | 1956 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1957 | return; |
d7df1d13 JA |
1958 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1959 | unlock_file(td, f); | |
4d4e80f2 JA |
1960 | } |
1961 | ||
13bddad9 | 1962 | static bool recurse_dir(struct thread_data *td, const char *dirname) |
bbf6b540 JA |
1963 | { |
1964 | struct dirent *dir; | |
13bddad9 | 1965 | bool ret = false; |
bbf6b540 JA |
1966 | DIR *D; |
1967 | ||
1968 | D = opendir(dirname); | |
1969 | if (!D) { | |
0ddb270c JA |
1970 | char buf[FIO_VERROR_SIZE]; |
1971 | ||
98ffb8f3 | 1972 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1973 | td_verror(td, errno, buf); |
13bddad9 | 1974 | return true; |
bbf6b540 JA |
1975 | } |
1976 | ||
1977 | while ((dir = readdir(D)) != NULL) { | |
1978 | char full_path[PATH_MAX]; | |
1979 | struct stat sb; | |
1980 | ||
e85b2b83 JA |
1981 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1982 | continue; | |
96d32d51 | 1983 | |
53a7af85 | 1984 | sprintf(full_path, "%s%c%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1985 | |
1986 | if (lstat(full_path, &sb) == -1) { | |
1987 | if (errno != ENOENT) { | |
1988 | td_verror(td, errno, "stat"); | |
13bddad9 | 1989 | ret = true; |
68ace9e0 | 1990 | break; |
bbf6b540 JA |
1991 | } |
1992 | } | |
1993 | ||
1994 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1995 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1996 | continue; |
1997 | } | |
0ddb270c JA |
1998 | if (!S_ISDIR(sb.st_mode)) |
1999 | continue; | |
bbf6b540 | 2000 | |
5ec10eaa JA |
2001 | ret = recurse_dir(td, full_path); |
2002 | if (ret) | |
bbf6b540 JA |
2003 | break; |
2004 | } | |
2005 | ||
2006 | closedir(D); | |
2007 | return ret; | |
2008 | } | |
2009 | ||
2010 | int add_dir_files(struct thread_data *td, const char *path) | |
2011 | { | |
0ddb270c JA |
2012 | int ret = recurse_dir(td, path); |
2013 | ||
2014 | if (!ret) | |
2015 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
2016 | ||
2017 | return ret; | |
bbf6b540 | 2018 | } |
cade3ef4 JA |
2019 | |
2020 | void dup_files(struct thread_data *td, struct thread_data *org) | |
2021 | { | |
2022 | struct fio_file *f; | |
2023 | unsigned int i; | |
9efef3c4 JA |
2024 | |
2025 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
2026 | |
2027 | if (!org->files) | |
2028 | return; | |
2029 | ||
9efef3c4 | 2030 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 2031 | |
d7df1d13 JA |
2032 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
2033 | td->file_locks = malloc(org->files_index); | |
2034 | ||
9efef3c4 | 2035 | for_each_file(org, f, i) { |
b0fe421a JA |
2036 | struct fio_file *__f; |
2037 | ||
7b5cb700 | 2038 | __f = alloc_new_file(td); |
0b9d69ec | 2039 | |
bc3456fa | 2040 | if (f->file_name) { |
cb9bf647 JB |
2041 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
2042 | __f->file_name = strdup(f->file_name); | |
2043 | else | |
2044 | __f->file_name = smalloc_strdup(f->file_name); | |
0b9d69ec | 2045 | |
b2e6494c JA |
2046 | /* can't handle smalloc failure from here */ |
2047 | assert(__f->file_name); | |
bc3456fa AC |
2048 | __f->filetype = f->filetype; |
2049 | } | |
b0fe421a | 2050 | |
67ad9242 JA |
2051 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
2052 | __f->lock = f->lock; | |
2053 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
2054 | __f->rwlock = f->rwlock; | |
2055 | ||
b0fe421a | 2056 | td->files[i] = __f; |
cade3ef4 JA |
2057 | } |
2058 | } | |
f29b25a3 JA |
2059 | |
2060 | /* | |
2061 | * Returns the index that matches the filename, or -1 if not there | |
2062 | */ | |
2063 | int get_fileno(struct thread_data *td, const char *fname) | |
2064 | { | |
2065 | struct fio_file *f; | |
2066 | unsigned int i; | |
2067 | ||
2068 | for_each_file(td, f, i) | |
2069 | if (!strcmp(f->file_name, fname)) | |
2070 | return i; | |
2071 | ||
2072 | return -1; | |
2073 | } | |
2074 | ||
2075 | /* | |
2076 | * For log usage, where we add/open/close files automatically | |
2077 | */ | |
2078 | void free_release_files(struct thread_data *td) | |
2079 | { | |
2080 | close_files(td); | |
66ee4002 JA |
2081 | td->o.nr_files = 0; |
2082 | td->o.open_files = 0; | |
f29b25a3 | 2083 | td->files_index = 0; |
f29b25a3 | 2084 | } |
33c48814 JA |
2085 | |
2086 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
2087 | { | |
f1dfb668 JA |
2088 | int i; |
2089 | ||
2090 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
2091 | f->last_pos[i] = f->file_offset; | |
2092 | f->last_start[i] = -1ULL; | |
2093 | } | |
2094 | ||
967d1b63 | 2095 | if (fio_file_axmap(f)) |
33c48814 | 2096 | axmap_reset(f->io_axmap); |
967d1b63 | 2097 | else if (fio_file_lfsr(f)) |
33c48814 | 2098 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
bfbdd35b BVA |
2099 | |
2100 | zbd_file_reset(td, f); | |
33c48814 | 2101 | } |
002fe734 | 2102 | |
747b3105 | 2103 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
2104 | { |
2105 | struct fio_file *f; | |
2106 | unsigned int i; | |
2107 | ||
2108 | for_each_file(td, f, i) | |
2109 | if (!fio_file_done(f)) | |
747b3105 | 2110 | return false; |
002fe734 | 2111 | |
747b3105 | 2112 | return true; |
002fe734 | 2113 | } |
bcbfeefa CE |
2114 | |
2115 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
2116 | void filesetup_mem_free(void) |
2117 | { | |
bcbfeefa CE |
2118 | free_already_allocated(); |
2119 | } | |
47534cda TK |
2120 | |
2121 | /* | |
2122 | * This function is for platforms which support direct I/O but not O_DIRECT. | |
2123 | */ | |
2124 | int fio_set_directio(struct thread_data *td, struct fio_file *f) | |
2125 | { | |
2126 | #ifdef FIO_OS_DIRECTIO | |
2905de74 | 2127 | int ret = fio_set_odirect(f); |
47534cda TK |
2128 | |
2129 | if (ret) { | |
2130 | td_verror(td, ret, "fio_set_directio"); | |
2131 | #if defined(__sun__) | |
2132 | if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */ | |
2133 | log_err("fio: doing directIO to RAW devices or ZFS not supported\n"); | |
2134 | } else { | |
2135 | log_err("fio: the file system does not seem to support direct IO\n"); | |
2136 | } | |
2137 | #else | |
2138 | log_err("fio: the file system does not seem to support direct IO\n"); | |
2139 | #endif | |
2140 | return -1; | |
2141 | } | |
2142 | ||
2143 | return 0; | |
2144 | #else | |
51102e0d | 2145 | log_err("fio: direct IO is not supported on this host operating system\n"); |
47534cda TK |
2146 | return -1; |
2147 | #endif | |
2148 | } |