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 | ||
acbda87c | 146 | dprint(FD_FILE, "layout %d unlink %d %s\n", new_layout, unlink_file, 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 | |
acbda87c CW |
201 | |
202 | dprint(FD_FILE, "fill file %s, size %llu\n", f->file_name, (unsigned long long) f->real_file_size); | |
203 | ||
82d8de31 TK |
204 | left = f->real_file_size; |
205 | bs = td->o.max_bs[DDIR_WRITE]; | |
206 | if (bs > left) | |
207 | bs = left; | |
208 | ||
323876fb | 209 | b = malloc(bs); |
84af30a1 | 210 | if (!b) { |
323876fb | 211 | td_verror(td, errno, "malloc"); |
84af30a1 TK |
212 | goto err; |
213 | } | |
53cdc686 | 214 | |
53cdc686 | 215 | while (left && !td->terminate) { |
005eb303 JA |
216 | ssize_t r; |
217 | ||
53cdc686 JA |
218 | if (bs > left) |
219 | bs = left; | |
220 | ||
cc86c395 JA |
221 | fill_io_buffer(td, b, bs, bs); |
222 | ||
53cdc686 JA |
223 | r = write(f->fd, b, bs); |
224 | ||
5e0074c2 JA |
225 | if (r > 0) { |
226 | left -= r; | |
53cdc686 JA |
227 | continue; |
228 | } else { | |
5e0074c2 JA |
229 | if (r < 0) { |
230 | int __e = errno; | |
231 | ||
418f5399 MB |
232 | if (__e == ENOSPC || __e == EDQUOT) { |
233 | const char *__e_name; | |
5e0074c2 JA |
234 | if (td->o.fill_device) |
235 | break; | |
418f5399 MB |
236 | if (__e == ENOSPC) |
237 | __e_name = "ENOSPC"; | |
238 | else | |
239 | __e_name = "EDQUOT"; | |
240 | log_info("fio: %s on laying out " | |
241 | "file, stopping\n", __e_name); | |
5e0074c2 | 242 | } |
e1161c32 | 243 | td_verror(td, errno, "write"); |
5e0074c2 | 244 | } else |
e1161c32 | 245 | td_verror(td, EIO, "write"); |
53cdc686 | 246 | |
9107a641 | 247 | goto err; |
53cdc686 JA |
248 | } |
249 | } | |
250 | ||
ffdfabd4 JA |
251 | if (td->terminate) { |
252 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 253 | td_io_unlink_file(td, f); |
ffdfabd4 | 254 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
255 | if (fsync(f->fd) < 0) { |
256 | td_verror(td, errno, "fsync"); | |
257 | goto err; | |
258 | } | |
259 | } | |
0d1cd207 | 260 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 261 | fio_file_clear_size_known(f); |
5e0074c2 JA |
262 | if (td_io_get_file_size(td, f)) |
263 | goto err; | |
264 | if (f->io_size > f->real_file_size) | |
265 | f->io_size = f->real_file_size; | |
266 | } | |
53cdc686 | 267 | |
323876fb | 268 | free(b); |
507a702f | 269 | done: |
53cdc686 JA |
270 | return 0; |
271 | err: | |
272 | close(f->fd); | |
273 | f->fd = -1; | |
f3e1eb23 | 274 | if (b) |
323876fb | 275 | free(b); |
53cdc686 JA |
276 | return 1; |
277 | } | |
278 | ||
c139f3b4 | 279 | static bool pre_read_file(struct thread_data *td, struct fio_file *f) |
afad68f7 | 280 | { |
c139f3b4 | 281 | int r, did_open = 0, old_runstate; |
afad68f7 | 282 | unsigned long long left; |
5fff9543 | 283 | unsigned long long bs; |
c139f3b4 | 284 | bool ret = true; |
afad68f7 ZY |
285 | char *b; |
286 | ||
736f1188 TK |
287 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
288 | td_ioengine_flagged(td, FIO_NOIO)) | |
c139f3b4 | 289 | return true; |
9c0d2241 | 290 | |
e658078b | 291 | if (f->filetype == FIO_TYPE_CHAR) |
c139f3b4 | 292 | return true; |
e658078b | 293 | |
d6aed795 | 294 | if (!fio_file_open(f)) { |
b0f65863 JA |
295 | if (td->io_ops->open_file(td, f)) { |
296 | log_err("fio: cannot pre-read, failed to open file\n"); | |
c139f3b4 | 297 | return false; |
b0f65863 JA |
298 | } |
299 | did_open = 1; | |
300 | } | |
301 | ||
8edd973d | 302 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 303 | |
82d8de31 | 304 | left = f->io_size; |
afad68f7 | 305 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
306 | if (bs > left) |
307 | bs = left; | |
308 | ||
afad68f7 | 309 | b = malloc(bs); |
84af30a1 TK |
310 | if (!b) { |
311 | td_verror(td, errno, "malloc"); | |
c139f3b4 | 312 | ret = false; |
84af30a1 TK |
313 | goto error; |
314 | } | |
afad68f7 ZY |
315 | memset(b, 0, bs); |
316 | ||
ef799a64 JA |
317 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
318 | td_verror(td, errno, "lseek"); | |
319 | log_err("fio: failed to lseek pre-read file\n"); | |
c139f3b4 | 320 | ret = false; |
ef799a64 JA |
321 | goto error; |
322 | } | |
323 | ||
afad68f7 ZY |
324 | while (left && !td->terminate) { |
325 | if (bs > left) | |
326 | bs = left; | |
327 | ||
328 | r = read(f->fd, b, bs); | |
329 | ||
330 | if (r == (int) bs) { | |
331 | left -= bs; | |
332 | continue; | |
333 | } else { | |
334 | td_verror(td, EIO, "pre_read"); | |
335 | break; | |
336 | } | |
337 | } | |
338 | ||
ef799a64 | 339 | error: |
8edd973d | 340 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
341 | |
342 | if (did_open) | |
343 | td->io_ops->close_file(td, f); | |
ef799a64 | 344 | |
afad68f7 | 345 | free(b); |
ef799a64 | 346 | return ret; |
afad68f7 ZY |
347 | } |
348 | ||
8c47cc76 ŁS |
349 | /* |
350 | * Generic function to prepopulate regular file with data. | |
351 | * Useful if you want to make sure I/O engine has data to read. | |
352 | * Leaves f->fd open on success, caller must close. | |
353 | */ | |
354 | int generic_prepopulate_file(struct thread_data *td, struct fio_file *f) | |
355 | { | |
356 | int flags; | |
357 | unsigned long long left, bs; | |
358 | char *b = NULL; | |
359 | ||
360 | /* generic function for regular files only */ | |
361 | assert(f->filetype == FIO_TYPE_FILE); | |
362 | ||
363 | if (read_only) { | |
364 | log_err("fio: refusing to write a file due to read-only\n"); | |
365 | return 0; | |
366 | } | |
367 | ||
368 | flags = O_WRONLY; | |
369 | if (td->o.allow_create) | |
370 | flags |= O_CREAT; | |
371 | ||
372 | #ifdef WIN32 | |
373 | flags |= _O_BINARY; | |
374 | #endif | |
375 | ||
376 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); | |
377 | f->fd = open(f->file_name, flags, 0644); | |
378 | if (f->fd < 0) { | |
379 | int err = errno; | |
380 | ||
381 | if (err == ENOENT && !td->o.allow_create) | |
382 | log_err("fio: file creation disallowed by " | |
383 | "allow_file_create=0\n"); | |
384 | else | |
385 | td_verror(td, err, "open"); | |
386 | return 1; | |
387 | } | |
388 | ||
389 | left = f->real_file_size; | |
390 | bs = td->o.max_bs[DDIR_WRITE]; | |
391 | if (bs > left) | |
392 | bs = left; | |
393 | ||
394 | b = malloc(bs); | |
395 | if (!b) { | |
396 | td_verror(td, errno, "malloc"); | |
397 | goto err; | |
398 | } | |
399 | ||
400 | while (left && !td->terminate) { | |
401 | ssize_t r; | |
402 | ||
403 | if (bs > left) | |
404 | bs = left; | |
405 | ||
406 | fill_io_buffer(td, b, bs, bs); | |
407 | ||
408 | r = write(f->fd, b, bs); | |
409 | ||
410 | if (r > 0) { | |
411 | left -= r; | |
412 | } else { | |
413 | td_verror(td, errno, "write"); | |
414 | goto err; | |
415 | } | |
416 | } | |
417 | ||
418 | if (td->terminate) { | |
419 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
420 | td_io_unlink_file(td, f); | |
421 | } else if (td->o.create_fsync) { | |
422 | if (fsync(f->fd) < 0) { | |
423 | td_verror(td, errno, "fsync"); | |
424 | goto err; | |
425 | } | |
426 | } | |
427 | ||
428 | free(b); | |
429 | return 0; | |
430 | err: | |
431 | close(f->fd); | |
432 | f->fd = -1; | |
433 | if (b) | |
434 | free(b); | |
435 | return 1; | |
436 | } | |
437 | ||
a3f001f5 | 438 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 439 | { |
dc873b6f | 440 | unsigned long long ret, sized; |
c3546b53 | 441 | uint64_t frand_max; |
ed06087e | 442 | uint64_t r; |
9c60ce64 | 443 | |
c3546b53 | 444 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 445 | r = __rand(&td->file_size_state); |
54a21917 | 446 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 447 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 448 | ret += td->o.file_size_low; |
2dc1bbeb | 449 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
450 | return ret; |
451 | } | |
452 | ||
53cdc686 JA |
453 | static int file_size(struct thread_data *td, struct fio_file *f) |
454 | { | |
455 | struct stat st; | |
456 | ||
df9c26b1 | 457 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
458 | td_verror(td, errno, "fstat"); |
459 | return 1; | |
460 | } | |
53cdc686 | 461 | |
7bb48f84 | 462 | f->real_file_size = st.st_size; |
53cdc686 JA |
463 | return 0; |
464 | } | |
465 | ||
466 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
467 | { | |
9b836561 | 468 | unsigned long long bytes = 0; |
53cdc686 JA |
469 | int r; |
470 | ||
df9c26b1 JA |
471 | if (td->io_ops->open_file(td, f)) { |
472 | log_err("fio: failed opening blockdev %s for size check\n", | |
473 | f->file_name); | |
474 | return 1; | |
475 | } | |
476 | ||
ecc314ba | 477 | r = blockdev_size(f, &bytes); |
53cdc686 | 478 | if (r) { |
e1161c32 | 479 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 480 | goto err; |
53cdc686 JA |
481 | } |
482 | ||
7ab077ab JA |
483 | if (!bytes) { |
484 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 485 | goto err; |
7ab077ab JA |
486 | } |
487 | ||
53cdc686 | 488 | f->real_file_size = bytes; |
22a57ba8 | 489 | td->io_ops->close_file(td, f); |
53cdc686 | 490 | return 0; |
df9c26b1 JA |
491 | err: |
492 | td->io_ops->close_file(td, f); | |
493 | return 1; | |
53cdc686 JA |
494 | } |
495 | ||
4ccdccd1 JA |
496 | static int char_size(struct thread_data *td, struct fio_file *f) |
497 | { | |
498 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 499 | unsigned long long bytes = 0; |
4ccdccd1 JA |
500 | int r; |
501 | ||
502 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 503 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
504 | f->file_name); |
505 | return 1; | |
506 | } | |
507 | ||
ecc314ba | 508 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
509 | if (r) { |
510 | td_verror(td, r, "chardev_size"); | |
511 | goto err; | |
512 | } | |
513 | ||
514 | if (!bytes) { | |
515 | log_err("%s: zero sized char device?\n", f->file_name); | |
516 | goto err; | |
517 | } | |
518 | ||
519 | f->real_file_size = bytes; | |
520 | td->io_ops->close_file(td, f); | |
521 | return 0; | |
522 | err: | |
523 | td->io_ops->close_file(td, f); | |
524 | return 1; | |
525 | #else | |
526 | f->real_file_size = -1ULL; | |
527 | return 0; | |
528 | #endif | |
529 | } | |
530 | ||
53cdc686 JA |
531 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
532 | { | |
533 | int ret = 0; | |
534 | ||
d6aed795 | 535 | if (fio_file_size_known(f)) |
409b3417 JA |
536 | return 0; |
537 | ||
7bb48f84 JA |
538 | if (f->filetype == FIO_TYPE_FILE) |
539 | ret = file_size(td, f); | |
686fbd31 | 540 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 541 | ret = bdev_size(td, f); |
4ccdccd1 JA |
542 | else if (f->filetype == FIO_TYPE_CHAR) |
543 | ret = char_size(td, f); | |
8bd809f5 TK |
544 | else { |
545 | f->real_file_size = -1; | |
546 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
547 | f->file_name); | |
548 | return 1; /* avoid offset extends end error message */ | |
549 | } | |
53cdc686 | 550 | |
79591fa9 TK |
551 | /* |
552 | * Leave ->real_file_size with 0 since it could be expectation | |
553 | * of initial setup for regular files. | |
554 | */ | |
a0cb220b | 555 | if (ret) |
53cdc686 JA |
556 | return ret; |
557 | ||
957c81b9 TK |
558 | /* |
559 | * ->file_offset normally hasn't been initialized yet, so this | |
8bd809f5 TK |
560 | * is basically always false unless ->real_file_size is -1, but |
561 | * if ->real_file_size is -1 this message doesn't make sense. | |
562 | * As a result, this message is basically useless. | |
957c81b9 | 563 | */ |
53cdc686 | 564 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 565 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
566 | (unsigned long long) f->file_offset, |
567 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
568 | return 1; |
569 | } | |
570 | ||
d6aed795 | 571 | fio_file_set_size_known(f); |
53cdc686 JA |
572 | return 0; |
573 | } | |
574 | ||
3baddf24 JA |
575 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
576 | unsigned long long off, | |
577 | unsigned long long len) | |
e5b401d4 | 578 | { |
942a851a | 579 | int errval = 0, ret = 0; |
e5b401d4 | 580 | |
c8931876 JA |
581 | #ifdef CONFIG_ESX |
582 | return 0; | |
583 | #endif | |
584 | ||
5e0074c2 | 585 | if (len == -1ULL) |
3baddf24 JA |
586 | len = f->io_size; |
587 | if (off == -1ULL) | |
588 | off = f->file_offset; | |
ee56ad50 | 589 | |
0d1cd207 JA |
590 | if (len == -1ULL || off == -1ULL) |
591 | return 0; | |
592 | ||
942a851a | 593 | if (td->io_ops->invalidate) { |
4499dbef TK |
594 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
595 | f->file_name); | |
d9b100fc | 596 | ret = td->io_ops->invalidate(td, f); |
942a851a | 597 | if (ret < 0) |
afd118db | 598 | errval = -ret; |
4e18b4d9 SW |
599 | } else if (td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
600 | dprint(FD_IO, "invalidate not supported by ioengine %s\n", | |
601 | td->io_ops->name); | |
942a851a | 602 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
603 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
604 | f->file_name, off, len); | |
ecc314ba | 605 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 606 | if (ret) |
942a851a | 607 | errval = ret; |
686fbd31 | 608 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
609 | int retry_count = 0; |
610 | ||
4499dbef | 611 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 612 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
613 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
614 | /* | |
615 | * Linux multipath devices reject ioctl while | |
616 | * the maps are being updated. That window can | |
617 | * last tens of milliseconds; we'll try up to | |
618 | * a quarter of a second. | |
619 | */ | |
620 | usleep(10000); | |
621 | ret = blockdev_invalidate_cache(f); | |
622 | } | |
7e0e25c9 | 623 | if (ret < 0 && errno == EACCES && geteuid()) { |
5bdc4522 | 624 | if (!fio_did_warn(FIO_WARN_ROOT_FLUSH)) { |
5ec10eaa JA |
625 | log_err("fio: only root may flush block " |
626 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 | 627 | } |
7e0e25c9 | 628 | } |
942a851a JA |
629 | if (ret < 0) |
630 | errval = errno; | |
4499dbef TK |
631 | } else if (f->filetype == FIO_TYPE_CHAR || |
632 | f->filetype == FIO_TYPE_PIPE) { | |
633 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
4499dbef | 634 | } |
e5b401d4 | 635 | |
dfe11fd1 JA |
636 | /* |
637 | * Cache flushing isn't a fatal condition, and we know it will | |
638 | * happen on some platforms where we don't have the proper | |
639 | * function to flush eg block device caches. So just warn and | |
640 | * continue on our way. | |
641 | */ | |
942a851a | 642 | if (errval) |
22de5d77 TK |
643 | log_info("fio: cache invalidation of %s failed: %s\n", |
644 | f->file_name, strerror(errval)); | |
e5b401d4 | 645 | |
dfe11fd1 | 646 | return 0; |
3baddf24 JA |
647 | |
648 | } | |
649 | ||
650 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
651 | { | |
d6aed795 | 652 | if (!fio_file_open(f)) |
a5fb461f JA |
653 | return 0; |
654 | ||
5e0074c2 | 655 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
656 | } |
657 | ||
6977bcd0 | 658 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 659 | { |
6977bcd0 JA |
660 | int ret = 0; |
661 | ||
ee56ad50 | 662 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
663 | |
664 | remove_file_hash(f); | |
665 | ||
6977bcd0 JA |
666 | if (close(f->fd) < 0) |
667 | ret = errno; | |
668 | ||
b5af8293 | 669 | f->fd = -1; |
e6c4d732 JA |
670 | |
671 | if (f->shadow_fd != -1) { | |
672 | close(f->shadow_fd); | |
673 | f->shadow_fd = -1; | |
674 | } | |
675 | ||
710bf9c5 | 676 | f->engine_pos = 0; |
6977bcd0 | 677 | return ret; |
53cdc686 JA |
678 | } |
679 | ||
1ccc6dc7 | 680 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 681 | { |
29c1349f | 682 | struct fio_file *__f; |
4d4e80f2 JA |
683 | int from_hash; |
684 | ||
685 | __f = lookup_file_hash(f->file_name); | |
686 | if (__f) { | |
9efef3c4 | 687 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 688 | f->lock = __f->lock; |
4d4e80f2 JA |
689 | from_hash = 1; |
690 | } else { | |
9efef3c4 | 691 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
692 | from_hash = 0; |
693 | } | |
694 | ||
9c0f3f32 BC |
695 | #ifdef WIN32 |
696 | flags |= _O_BINARY; | |
697 | #endif | |
698 | ||
e8670ef8 | 699 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
700 | return from_hash; |
701 | } | |
702 | ||
e6c4d732 JA |
703 | static int file_close_shadow_fds(struct thread_data *td) |
704 | { | |
705 | struct fio_file *f; | |
706 | int num_closed = 0; | |
707 | unsigned int i; | |
708 | ||
709 | for_each_file(td, f, i) { | |
710 | if (f->shadow_fd == -1) | |
711 | continue; | |
712 | ||
713 | close(f->shadow_fd); | |
714 | f->shadow_fd = -1; | |
715 | num_closed++; | |
716 | } | |
717 | ||
718 | return num_closed; | |
719 | } | |
720 | ||
4d4e80f2 JA |
721 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
722 | { | |
66159828 | 723 | int is_std = 0; |
53cdc686 | 724 | int flags = 0; |
29c1349f | 725 | int from_hash = 0; |
53cdc686 | 726 | |
ee56ad50 JA |
727 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
728 | ||
66159828 JA |
729 | if (!strcmp(f->file_name, "-")) { |
730 | if (td_rw(td)) { | |
731 | log_err("fio: can't read/write to stdin/out\n"); | |
732 | return 1; | |
733 | } | |
734 | is_std = 1; | |
ce98fa66 JA |
735 | |
736 | /* | |
737 | * move output logging to stderr, if we are writing to stdout | |
738 | */ | |
739 | if (td_write(td)) | |
740 | f_out = stderr; | |
66159828 JA |
741 | } |
742 | ||
6eaf09d6 SL |
743 | if (td_trim(td)) |
744 | goto skip_flags; | |
2dc1bbeb | 745 | if (td->o.odirect) |
2fd233b7 | 746 | flags |= OS_O_DIRECT; |
d01612f3 CM |
747 | if (td->o.oatomic) { |
748 | if (!FIO_O_ATOMIC) { | |
749 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
750 | return 1; | |
751 | } | |
752 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
753 | } | |
eb9f8d7f | 754 | flags |= td->o.sync_io; |
2378826d | 755 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 756 | flags |= O_CREAT; |
6eaf09d6 SL |
757 | skip_flags: |
758 | if (f->filetype != FIO_TYPE_FILE) | |
759 | flags |= FIO_O_NOATIME; | |
53cdc686 | 760 | |
056f3459 | 761 | open_again: |
660a1cb5 | 762 | if (td_write(td)) { |
17308158 JA |
763 | if (!read_only) |
764 | flags |= O_RDWR; | |
53cdc686 | 765 | |
2378826d | 766 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 767 | flags |= O_CREAT; |
2fd233b7 | 768 | |
66159828 JA |
769 | if (is_std) |
770 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
771 | else |
772 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 773 | } else if (td_read(td)) { |
4241ea8f | 774 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
775 | flags |= O_RDWR; |
776 | else | |
777 | flags |= O_RDONLY; | |
778 | ||
66159828 JA |
779 | if (is_std) |
780 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
781 | else |
782 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
783 | } else if (td_trim(td)) { |
784 | assert(!td_rw(td)); /* should have matched above */ | |
11ff4c37 VF |
785 | if (!read_only) |
786 | flags |= O_RDWR; | |
6eaf09d6 | 787 | from_hash = file_lookup_open(f, flags); |
53cdc686 JA |
788 | } |
789 | ||
790 | if (f->fd == -1) { | |
e4e33258 | 791 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
792 | int __e = errno; |
793 | ||
835d9b9e | 794 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 795 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
796 | goto open_again; |
797 | } | |
e6c4d732 JA |
798 | if (__e == EMFILE && file_close_shadow_fds(td)) |
799 | goto open_again; | |
056f3459 | 800 | |
98ffb8f3 | 801 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 802 | |
a93c5f04 JA |
803 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
804 | log_err("fio: looks like your file system does not " \ | |
805 | "support direct=1/buffered=0\n"); | |
806 | } | |
807 | ||
e4e33258 | 808 | td_verror(td, __e, buf); |
3ce3ad33 | 809 | return 1; |
53cdc686 JA |
810 | } |
811 | ||
29c1349f JA |
812 | if (!from_hash && f->fd != -1) { |
813 | if (add_file_hash(f)) { | |
3f0ca9b9 | 814 | int fio_unused ret; |
29c1349f JA |
815 | |
816 | /* | |
e6c4d732 JA |
817 | * Stash away descriptor for later close. This is to |
818 | * work-around a "feature" on Linux, where a close of | |
819 | * an fd that has been opened for write will trigger | |
820 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 821 | * That pollutes the device cache, which can slow down |
e6c4d732 | 822 | * unbuffered accesses. |
29c1349f | 823 | */ |
e6c4d732 JA |
824 | if (f->shadow_fd == -1) |
825 | f->shadow_fd = f->fd; | |
826 | else { | |
827 | /* | |
828 | * OK to ignore, we haven't done anything | |
829 | * with it | |
830 | */ | |
831 | ret = generic_close_file(td, f); | |
832 | } | |
29c1349f JA |
833 | goto open_again; |
834 | } | |
835 | } | |
4906e0b5 | 836 | |
53cdc686 | 837 | return 0; |
b5af8293 JA |
838 | } |
839 | ||
79591fa9 TK |
840 | /* |
841 | * This function i.e. get_file_size() is the default .get_file_size | |
842 | * implementation of majority of I/O engines. | |
843 | */ | |
df9c26b1 | 844 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 845 | { |
df9c26b1 | 846 | return get_file_size(td, f); |
21972cde JA |
847 | } |
848 | ||
7bb48f84 JA |
849 | /* |
850 | * open/close all files, so that ->real_file_size gets set | |
851 | */ | |
bab3fd58 | 852 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
853 | { |
854 | struct fio_file *f; | |
855 | unsigned int i; | |
bab3fd58 | 856 | int err = 0; |
7bb48f84 JA |
857 | |
858 | for_each_file(td, f, i) { | |
08c44a55 | 859 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 860 | f->file_name); |
9efef3c4 | 861 | |
99a47c69 | 862 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
863 | if (td->error != ENOENT) { |
864 | log_err("%s\n", td->verror); | |
865 | err = 1; | |
3ce3ad33 | 866 | break; |
40b44f4a | 867 | } |
541d66d7 | 868 | clear_error(td); |
07eb79df | 869 | } |
409b3417 | 870 | |
79591fa9 TK |
871 | /* |
872 | * There are corner cases where we end up with -1 for | |
873 | * ->real_file_size due to unsupported file type, etc. | |
874 | * We then just set to size option value divided by number | |
875 | * of files, similar to the way file ->io_size is set. | |
876 | * stat(2) failure doesn't set ->real_file_size to -1. | |
877 | */ | |
409b3417 JA |
878 | if (f->real_file_size == -1ULL && td->o.size) |
879 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 880 | } |
bab3fd58 JA |
881 | |
882 | return err; | |
7bb48f84 JA |
883 | } |
884 | ||
2e3bd4c2 JA |
885 | struct fio_mount { |
886 | struct flist_head list; | |
887 | const char *base; | |
888 | char __base[256]; | |
889 | unsigned int key; | |
890 | }; | |
891 | ||
892 | /* | |
893 | * Get free number of bytes for each file on each unique mount. | |
894 | */ | |
895 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
896 | { | |
897 | struct flist_head *n, *tmp; | |
68b0316f | 898 | unsigned long long ret = 0; |
2e3bd4c2 JA |
899 | struct fio_mount *fm; |
900 | FLIST_HEAD(list); | |
901 | struct fio_file *f; | |
902 | unsigned int i; | |
903 | ||
904 | for_each_file(td, f, i) { | |
905 | struct stat sb; | |
906 | char buf[256]; | |
907 | ||
686fbd31 | 908 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
909 | if (f->real_file_size != -1ULL) |
910 | ret += f->real_file_size; | |
68b0316f JA |
911 | continue; |
912 | } else if (f->filetype != FIO_TYPE_FILE) | |
913 | continue; | |
914 | ||
59f94d26 | 915 | snprintf(buf, FIO_ARRAY_SIZE(buf), "%s", f->file_name); |
2e3bd4c2 JA |
916 | |
917 | if (stat(buf, &sb) < 0) { | |
918 | if (errno != ENOENT) | |
919 | break; | |
920 | strcpy(buf, "."); | |
921 | if (stat(buf, &sb) < 0) | |
922 | break; | |
923 | } | |
924 | ||
925 | fm = NULL; | |
926 | flist_for_each(n, &list) { | |
927 | fm = flist_entry(n, struct fio_mount, list); | |
928 | if (fm->key == sb.st_dev) | |
929 | break; | |
930 | ||
931 | fm = NULL; | |
932 | } | |
933 | ||
934 | if (fm) | |
935 | continue; | |
936 | ||
3660ceae | 937 | fm = calloc(1, sizeof(*fm)); |
59f94d26 | 938 | snprintf(fm->__base, FIO_ARRAY_SIZE(fm->__base), "%s", buf); |
2e3bd4c2 JA |
939 | fm->base = basename(fm->__base); |
940 | fm->key = sb.st_dev; | |
941 | flist_add(&fm->list, &list); | |
942 | } | |
943 | ||
2e3bd4c2 JA |
944 | flist_for_each_safe(n, tmp, &list) { |
945 | unsigned long long sz; | |
946 | ||
947 | fm = flist_entry(n, struct fio_mount, list); | |
948 | flist_del(&fm->list); | |
949 | ||
c08ad04c | 950 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
951 | if (sz && sz != -1ULL) |
952 | ret += sz; | |
953 | ||
954 | free(fm); | |
955 | } | |
956 | ||
957 | return ret; | |
958 | } | |
959 | ||
bedc9dc2 | 960 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 961 | { |
0b288ba1 | 962 | bool align = false; |
bedc9dc2 | 963 | struct thread_options *o = &td->o; |
872e0415 JA |
964 | unsigned long long align_bs; |
965 | unsigned long long offset; | |
0b288ba1 | 966 | unsigned long long increment; |
bedc9dc2 JA |
967 | |
968 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
969 | return f->real_file_size; | |
970 | ||
0b288ba1 VF |
971 | if (o->offset_increment_percent) { |
972 | assert(!o->offset_increment); | |
973 | increment = o->offset_increment_percent * f->real_file_size / 100; | |
974 | align = true; | |
975 | } else | |
976 | increment = o->offset_increment; | |
977 | ||
89978a6b | 978 | if (o->start_offset_percent > 0) { |
0b288ba1 VF |
979 | /* calculate the raw offset */ |
980 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
981 | (td->subjob_number * increment); | |
982 | ||
983 | align = true; | |
984 | } else { | |
985 | /* start_offset_percent not set */ | |
986 | offset = o->start_offset + | |
987 | td->subjob_number * increment; | |
988 | } | |
989 | ||
990 | if (align) { | |
872e0415 | 991 | /* |
0b288ba1 | 992 | * if offset_align is provided, use it |
872e0415 | 993 | */ |
83c8b093 JF |
994 | if (fio_option_is_set(o, start_offset_align)) { |
995 | align_bs = o->start_offset_align; | |
872e0415 JA |
996 | } else { |
997 | /* else take the minimum block size */ | |
89978a6b BW |
998 | align_bs = td_min_bs(td); |
999 | } | |
1000 | ||
872e0415 JA |
1001 | /* |
1002 | * block align the offset at the next available boundary at | |
1003 | * ceiling(offset / align_bs) * align_bs | |
1004 | */ | |
89978a6b | 1005 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
89978a6b | 1006 | } |
872e0415 | 1007 | |
89978a6b | 1008 | return offset; |
ce95d651 DE |
1009 | } |
1010 | ||
7273058c SW |
1011 | /* |
1012 | * Find longest path component that exists and return its length | |
1013 | */ | |
1014 | int longest_existing_path(char *path) { | |
1015 | char buf[PATH_MAX]; | |
1016 | bool done; | |
1017 | char *buf_pos; | |
1018 | int offset; | |
1019 | #ifdef WIN32 | |
1020 | DWORD dwAttr; | |
1021 | #else | |
1022 | struct stat sb; | |
1023 | #endif | |
1024 | ||
1025 | sprintf(buf, "%s", path); | |
1026 | done = false; | |
1027 | while (!done) { | |
1028 | buf_pos = strrchr(buf, FIO_OS_PATH_SEPARATOR); | |
1029 | if (!buf_pos) { | |
7273058c SW |
1030 | offset = 0; |
1031 | break; | |
1032 | } | |
1033 | ||
1034 | *(buf_pos + 1) = '\0'; | |
1035 | ||
1036 | #ifdef WIN32 | |
1037 | dwAttr = GetFileAttributesA(buf); | |
1038 | if (dwAttr != INVALID_FILE_ATTRIBUTES) { | |
1039 | done = true; | |
1040 | } | |
1041 | #else | |
1042 | if (stat(buf, &sb) == 0) | |
1043 | done = true; | |
1044 | #endif | |
1045 | if (done) | |
1046 | offset = buf_pos - buf; | |
1047 | else | |
1048 | *buf_pos = '\0'; | |
1049 | } | |
1050 | ||
1051 | return offset; | |
1052 | } | |
1053 | ||
95af8dd5 KZ |
1054 | static bool create_work_dirs(struct thread_data *td, const char *fname) |
1055 | { | |
1056 | char path[PATH_MAX]; | |
1057 | char *start, *end; | |
7273058c | 1058 | int offset; |
95af8dd5 | 1059 | |
df18600f SW |
1060 | snprintf(path, PATH_MAX, "%s", fname); |
1061 | start = path; | |
95af8dd5 | 1062 | |
7273058c SW |
1063 | offset = longest_existing_path(path); |
1064 | end = start + offset; | |
95af8dd5 | 1065 | while ((end = strchr(end, FIO_OS_PATH_SEPARATOR)) != NULL) { |
df18600f SW |
1066 | if (end == start) { |
1067 | end++; | |
1068 | continue; | |
1069 | } | |
95af8dd5 KZ |
1070 | *end = '\0'; |
1071 | errno = 0; | |
df18600f | 1072 | if (fio_mkdir(path, 0700) && errno != EEXIST) { |
7273058c SW |
1073 | log_err("fio: failed to create dir (%s): %s\n", |
1074 | start, strerror(errno)); | |
95af8dd5 KZ |
1075 | return false; |
1076 | } | |
1077 | *end = FIO_OS_PATH_SEPARATOR; | |
1078 | end++; | |
1079 | } | |
1080 | td->flags |= TD_F_DIRS_CREATED; | |
1081 | return true; | |
1082 | } | |
1083 | ||
acbda87c CW |
1084 | int setup_shared_file(struct thread_data *td) |
1085 | { | |
1086 | struct fio_file *f; | |
1087 | uint64_t file_size; | |
1088 | int err = 0; | |
1089 | ||
1090 | if (td->o.nr_files > 1) { | |
1091 | log_err("fio: shared file setup called for multiple files\n"); | |
1092 | return -1; | |
1093 | } | |
1094 | ||
1095 | get_file_sizes(td); | |
1096 | ||
1097 | f = td->files[0]; | |
1098 | ||
1099 | if (f == NULL) { | |
1100 | log_err("fio: NULL shared file\n"); | |
1101 | return -1; | |
1102 | } | |
1103 | ||
1104 | file_size = thread_number * td->o.size; | |
1105 | dprint(FD_FILE, "shared setup %s real_file_size=%llu, desired=%llu\n", | |
1106 | f->file_name, (unsigned long long)f->real_file_size, (unsigned long long)file_size); | |
1107 | ||
1108 | if (f->real_file_size < file_size) { | |
1109 | dprint(FD_FILE, "fio: extending shared file\n"); | |
1110 | f->real_file_size = file_size; | |
1111 | err = extend_file(td, f); | |
f1282f76 | 1112 | if (!err) { |
acbda87c | 1113 | err = __file_invalidate_cache(td, f, 0, f->real_file_size); |
f1282f76 | 1114 | } |
acbda87c CW |
1115 | get_file_sizes(td); |
1116 | dprint(FD_FILE, "shared setup new real_file_size=%llu\n", | |
1117 | (unsigned long long)f->real_file_size); | |
1118 | } | |
1119 | ||
1120 | return err; | |
1121 | } | |
1122 | ||
7bb48f84 JA |
1123 | /* |
1124 | * Open the files and setup files sizes, creating files if necessary. | |
1125 | */ | |
53cdc686 JA |
1126 | int setup_files(struct thread_data *td) |
1127 | { | |
7bb48f84 | 1128 | unsigned long long total_size, extend_size; |
de98bd30 | 1129 | struct thread_options *o = &td->o; |
53cdc686 | 1130 | struct fio_file *f; |
002fe734 | 1131 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 1132 | int err = 0, need_extend; |
e90391eb | 1133 | int old_state; |
5fff9543 | 1134 | const unsigned long long bs = td_min_bs(td); |
002fe734 | 1135 | uint64_t fs = 0; |
53cdc686 | 1136 | |
acbda87c | 1137 | dprint(FD_FILE, "setup files (thread_number=%d, subjob_number=%d)\n", td->thread_number, td->subjob_number); |
ee56ad50 | 1138 | |
8edd973d | 1139 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 1140 | |
95af8dd5 KZ |
1141 | for_each_file(td, f, i) { |
1142 | if (!td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1143 | strchr(f->file_name, FIO_OS_PATH_SEPARATOR) && | |
1144 | !(td->flags & TD_F_DIRS_CREATED) && | |
1145 | !create_work_dirs(td, f->file_name)) | |
1146 | goto err_out; | |
1147 | } | |
1148 | ||
53cdc686 | 1149 | /* |
79591fa9 TK |
1150 | * Find out physical size of files or devices for this thread, |
1151 | * before we determine I/O size and range of our targets. | |
1152 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
1153 | * opening the files and setting f->real_file_size to indicate |
1154 | * the valid range for that file. | |
53cdc686 JA |
1155 | */ |
1156 | if (td->io_ops->setup) | |
7bb48f84 JA |
1157 | err = td->io_ops->setup(td); |
1158 | else | |
bab3fd58 | 1159 | err = get_file_sizes(td); |
53cdc686 | 1160 | |
f1027063 | 1161 | if (err) |
e90391eb | 1162 | goto err_out; |
f1027063 | 1163 | |
8f39afa7 AD |
1164 | if (td->o.zone_mode == ZONE_MODE_ZBD) { |
1165 | err = zbd_init_files(td); | |
1166 | if (err) | |
1167 | goto err_out; | |
1168 | } | |
1169 | zbd_recalc_options_with_zone_granularity(td); | |
1170 | ||
fd1d8e0a NC |
1171 | if (o->read_iolog_file) |
1172 | goto done; | |
1173 | ||
0a7eb121 | 1174 | /* |
7bb48f84 JA |
1175 | * check sizes. if the files/devices do not exist and the size |
1176 | * isn't passed to fio, abort. | |
0a7eb121 | 1177 | */ |
7bb48f84 JA |
1178 | total_size = 0; |
1179 | for_each_file(td, f, i) { | |
49a416bd | 1180 | f->fileno = i; |
7bb48f84 JA |
1181 | if (f->real_file_size == -1ULL) |
1182 | total_size = -1ULL; | |
1183 | else | |
1184 | total_size += f->real_file_size; | |
1185 | } | |
0a7eb121 | 1186 | |
de98bd30 | 1187 | if (o->fill_device) |
2e3bd4c2 JA |
1188 | td->fill_device_size = get_fs_free_counts(td); |
1189 | ||
7bb48f84 JA |
1190 | /* |
1191 | * device/file sizes are zero and no size given, punt | |
1192 | */ | |
de98bd30 | 1193 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 1194 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
1195 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
1196 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 1197 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 1198 | goto err_out; |
53cdc686 JA |
1199 | } |
1200 | ||
002fe734 JA |
1201 | /* |
1202 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 1203 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 1204 | */ |
d1e78e6b | 1205 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
1206 | uint64_t all_fs; |
1207 | ||
1208 | fs = o->size / o->nr_files; | |
1209 | all_fs = fs * o->nr_files; | |
1210 | ||
1211 | if (all_fs < o->size) | |
1212 | nr_fs_extra = (o->size - all_fs) / bs; | |
1213 | } | |
1214 | ||
7bb48f84 JA |
1215 | /* |
1216 | * now file sizes are known, so we can set ->io_size. if size= is | |
1217 | * not given, ->io_size is just equal to ->real_file_size. if size | |
1218 | * is given, ->io_size is size / nr_files. | |
1219 | */ | |
1220 | extend_size = total_size = 0; | |
1221 | need_extend = 0; | |
1222 | for_each_file(td, f, i) { | |
bedc9dc2 | 1223 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 1224 | |
79591fa9 TK |
1225 | /* |
1226 | * Update ->io_size depending on options specified. | |
1227 | * ->file_size_low being 0 means filesize option isn't set. | |
1228 | * Non zero ->file_size_low equals ->file_size_high means | |
1229 | * filesize option is set in a fixed size format. | |
1230 | * Non zero ->file_size_low not equals ->file_size_high means | |
1231 | * filesize option is set in a range format. | |
1232 | */ | |
de98bd30 | 1233 | if (!o->file_size_low) { |
7bb48f84 | 1234 | /* |
79591fa9 | 1235 | * no file size or range given, file size is equal to |
c4aa2d08 | 1236 | * total size divided by number of files. If the size |
002fe734 JA |
1237 | * doesn't divide nicely with the min blocksize, |
1238 | * make the first files bigger. | |
7bb48f84 | 1239 | */ |
0d060147 | 1240 | f->io_size = fs; |
002fe734 JA |
1241 | if (nr_fs_extra) { |
1242 | nr_fs_extra--; | |
1243 | f->io_size += bs; | |
1244 | } | |
1245 | ||
c4aa2d08 | 1246 | /* |
c6dfd837 TK |
1247 | * We normally don't come here for regular files, but |
1248 | * if the result is 0 for a regular file, set it to the | |
1249 | * real file size. This could be size of the existing | |
1250 | * one if it already exists, but otherwise will be set | |
1251 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
1252 | * ->io_size + ->file_offset equals ->real_file_size. |
1253 | */ | |
1254 | if (!f->io_size) { | |
1255 | if (f->file_offset > f->real_file_size) | |
1256 | goto err_offset; | |
273f8c91 | 1257 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
1258 | if (!f->io_size) |
1259 | log_info("fio: file %s may be ignored\n", | |
1260 | f->file_name); | |
1261 | } | |
de98bd30 JA |
1262 | } else if (f->real_file_size < o->file_size_low || |
1263 | f->real_file_size > o->file_size_high) { | |
1264 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1265 | goto err_offset; |
7bb48f84 JA |
1266 | /* |
1267 | * file size given. if it's fixed, use that. if it's a | |
1268 | * range, generate a random size in-between. | |
1269 | */ | |
de98bd30 JA |
1270 | if (o->file_size_low == o->file_size_high) |
1271 | f->io_size = o->file_size_low - f->file_offset; | |
1272 | else { | |
5ec10eaa JA |
1273 | f->io_size = get_rand_file_size(td) |
1274 | - f->file_offset; | |
1275 | } | |
65bdb10a | 1276 | } else |
bcdedd0a | 1277 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1278 | |
7bb48f84 JA |
1279 | if (f->io_size == -1ULL) |
1280 | total_size = -1ULL; | |
4d002569 | 1281 | else { |
8b38f401 AD |
1282 | uint64_t io_size; |
1283 | ||
408874da | 1284 | if (o->size_percent && o->size_percent != 100) { |
76e4bb4f SW |
1285 | uint64_t file_size; |
1286 | ||
1287 | file_size = f->io_size + f->file_offset; | |
1288 | f->io_size = (file_size * | |
1289 | o->size_percent) / 100; | |
1290 | if (f->io_size > (file_size - f->file_offset)) | |
1291 | f->io_size = file_size - f->file_offset; | |
1292 | ||
e391c704 JA |
1293 | f->io_size -= (f->io_size % td_min_bs(td)); |
1294 | } | |
8b38f401 AD |
1295 | |
1296 | io_size = f->io_size; | |
1297 | if (o->io_size_percent && o->io_size_percent != 100) { | |
1298 | io_size *= o->io_size_percent; | |
1299 | io_size /= 100; | |
1300 | } | |
1301 | ||
1302 | total_size += io_size; | |
4d002569 | 1303 | } |
7bb48f84 JA |
1304 | |
1305 | if (f->filetype == FIO_TYPE_FILE && | |
3c029ac4 SK |
1306 | (f->io_size + f->file_offset) > f->real_file_size) { |
1307 | if (!td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1308 | !o->create_on_open) { | |
5fd31680 | 1309 | need_extend++; |
814452bd | 1310 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1311 | fio_file_set_extend(f); |
3c029ac4 SK |
1312 | } else if (!td_ioengine_flagged(td, FIO_DISKLESSIO) || |
1313 | (td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1314 | td_ioengine_flagged(td, FIO_FAKEIO))) | |
814452bd | 1315 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1316 | } |
7bb48f84 | 1317 | } |
53cdc686 | 1318 | |
66347cfa DE |
1319 | if (td->o.block_error_hist) { |
1320 | int len; | |
1321 | ||
1322 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1323 | f = td->files[0]; | |
1324 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1325 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1326 | log_err("fio: cannot calculate block histogram with " | |
1327 | "%d trim blocks, maximum %d\n", | |
1328 | len, MAX_NR_BLOCK_INFOS); | |
1329 | td_verror(td, EINVAL, "block_error_hist"); | |
1330 | goto err_out; | |
1331 | } | |
1332 | ||
1333 | td->ts.nr_block_infos = len; | |
8a68c41c | 1334 | for (i = 0; i < len; i++) |
66347cfa DE |
1335 | td->ts.block_infos[i] = |
1336 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1337 | } else | |
1338 | td->ts.nr_block_infos = 0; | |
1339 | ||
0bc27b0b | 1340 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1341 | o->size = total_size; |
21972cde | 1342 | |
d1faa06d | 1343 | if (o->size < td_min_bs(td)) { |
6c3c11e5 | 1344 | log_err("fio: blocksize is larger than data set range\n"); |
d1faa06d JA |
1345 | goto err_out; |
1346 | } | |
1347 | ||
7bb48f84 | 1348 | /* |
79591fa9 TK |
1349 | * See if we need to extend some files, typically needed when our |
1350 | * target regular files don't exist yet, but our jobs require them | |
1351 | * initially due to read I/Os. | |
7bb48f84 JA |
1352 | */ |
1353 | if (need_extend) { | |
1354 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1355 | if (output_format & FIO_OUTPUT_NORMAL) { |
1356 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1357 | o->name, | |
1358 | need_extend > 1 ? "s" : "", | |
1359 | need_extend, | |
1360 | need_extend > 1 ? "s" : "", | |
1361 | need_extend > 1 ? "total " : "", | |
1362 | extend_size >> 20); | |
1363 | } | |
7bb48f84 JA |
1364 | |
1365 | for_each_file(td, f, i) { | |
5e0074c2 | 1366 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1367 | |
d6aed795 | 1368 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1369 | continue; |
1370 | ||
409b3417 | 1371 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1372 | fio_file_clear_extend(f); |
de98bd30 | 1373 | if (!o->fill_device) { |
5e0074c2 | 1374 | old_len = f->real_file_size; |
0b9d69ec JA |
1375 | extend_len = f->io_size + f->file_offset - |
1376 | old_len; | |
5e0074c2 | 1377 | } |
bcdedd0a | 1378 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1379 | err = extend_file(td, f); |
1380 | if (err) | |
3baddf24 | 1381 | break; |
5e0074c2 | 1382 | |
3baddf24 JA |
1383 | err = __file_invalidate_cache(td, f, old_len, |
1384 | extend_len); | |
9824f73b JA |
1385 | |
1386 | /* | |
1387 | * Shut up static checker | |
1388 | */ | |
1389 | if (f->fd != -1) | |
1390 | close(f->fd); | |
1391 | ||
3baddf24 JA |
1392 | f->fd = -1; |
1393 | if (err) | |
7bb48f84 JA |
1394 | break; |
1395 | } | |
1396 | temp_stall_ts = 0; | |
1397 | } | |
1398 | ||
8c47cc76 ŁS |
1399 | if (err) |
1400 | goto err_out; | |
1401 | ||
1402 | /* | |
1403 | * Prepopulate files with data. It might be expected to read some | |
1404 | * "real" data instead of zero'ed files (if no writes to file occurred | |
1405 | * prior to a read job). Engine has to provide a way to do that. | |
1406 | */ | |
1407 | if (td->io_ops->prepopulate_file) { | |
1408 | temp_stall_ts = 1; | |
1409 | ||
1410 | for_each_file(td, f, i) { | |
1411 | if (output_format & FIO_OUTPUT_NORMAL) { | |
1412 | log_info("%s: Prepopulating IO file (%s)\n", | |
1413 | o->name, f->file_name); | |
1414 | } | |
1415 | ||
1416 | err = td->io_ops->prepopulate_file(td, f); | |
1417 | if (err) | |
1418 | break; | |
1419 | ||
1420 | err = __file_invalidate_cache(td, f, f->file_offset, | |
1421 | f->io_size); | |
1422 | ||
1423 | /* | |
1424 | * Shut up static checker | |
1425 | */ | |
1426 | if (f->fd != -1) | |
1427 | close(f->fd); | |
1428 | ||
1429 | f->fd = -1; | |
1430 | if (err) | |
1431 | break; | |
1432 | } | |
1433 | temp_stall_ts = 0; | |
1434 | } | |
1435 | ||
7bb48f84 | 1436 | if (err) |
e90391eb | 1437 | goto err_out; |
7bb48f84 | 1438 | |
ea966f81 JA |
1439 | /* |
1440 | * iolog already set the total io size, if we read back | |
1441 | * stored entries. | |
1442 | */ | |
77731b29 | 1443 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1444 | if (o->io_size) |
1445 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1446 | else |
1447 | td->total_io_size = o->size * o->loops; | |
1448 | } | |
25460cf6 JA |
1449 | |
1450 | done: | |
bfbdd35b | 1451 | if (td->o.zone_mode == ZONE_MODE_ZBD) { |
3c1dc34c | 1452 | err = zbd_setup_files(td); |
bfbdd35b BVA |
1453 | if (err) |
1454 | goto err_out; | |
1455 | } | |
8f39afa7 AD |
1456 | |
1457 | if (o->create_only) | |
1458 | td->done = 1; | |
1459 | ||
1460 | td_restore_runstate(td, old_state); | |
1461 | ||
7bb48f84 | 1462 | return 0; |
bfbdd35b | 1463 | |
bcdedd0a | 1464 | err_offset: |
de98bd30 | 1465 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1466 | err_out: |
8edd973d | 1467 | td_restore_runstate(td, old_state); |
bcdedd0a | 1468 | return 1; |
53cdc686 JA |
1469 | } |
1470 | ||
c139f3b4 | 1471 | bool pre_read_files(struct thread_data *td) |
afad68f7 ZY |
1472 | { |
1473 | struct fio_file *f; | |
1474 | unsigned int i; | |
1475 | ||
1476 | dprint(FD_FILE, "pre_read files\n"); | |
1477 | ||
1478 | for_each_file(td, f, i) { | |
c139f3b4 JA |
1479 | if (!pre_read_file(td, f)) |
1480 | return false; | |
afad68f7 ZY |
1481 | } |
1482 | ||
c139f3b4 | 1483 | return true; |
afad68f7 ZY |
1484 | } |
1485 | ||
3a03f0cf | 1486 | static void __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
9c6f6316 | 1487 | { |
2316296a | 1488 | unsigned int range_size, seed; |
abb60c32 | 1489 | uint64_t nranges; |
42da5c8b | 1490 | uint64_t fsize; |
9c6f6316 JA |
1491 | |
1492 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1493 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1494 | |
abb60c32 | 1495 | nranges = (fsize + range_size - 1ULL) / range_size; |
9c6f6316 | 1496 | |
2316296a | 1497 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e | 1498 | if (!td->o.rand_repeatable) |
c08f9533 | 1499 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; |
8425687e | 1500 | |
9c6f6316 | 1501 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
a87c90fd | 1502 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, td->o.random_center.u.f, seed); |
56d9fa4b | 1503 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
a87c90fd | 1504 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, td->o.random_center.u.f, seed); |
56d9fa4b | 1505 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
a87c90fd | 1506 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, td->o.random_center.u.f, seed); |
9c6f6316 JA |
1507 | } |
1508 | ||
4d832322 | 1509 | static bool init_rand_distribution(struct thread_data *td) |
9c6f6316 JA |
1510 | { |
1511 | struct fio_file *f; | |
1512 | unsigned int i; | |
1513 | int state; | |
1514 | ||
fd9882fa JA |
1515 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM || |
1516 | td->o.random_distribution == FIO_RAND_DIST_ZONED || | |
1517 | td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS) | |
4d832322 | 1518 | return false; |
9c6f6316 | 1519 | |
8edd973d JA |
1520 | state = td_bump_runstate(td, TD_SETTING_UP); |
1521 | ||
9c6f6316 JA |
1522 | for_each_file(td, f, i) |
1523 | __init_rand_distribution(td, f); | |
8edd973d JA |
1524 | |
1525 | td_restore_runstate(td, state); | |
4d832322 | 1526 | return true; |
9c6f6316 JA |
1527 | } |
1528 | ||
75f90d5f JA |
1529 | /* |
1530 | * Check if the number of blocks exceeds the randomness capability of | |
fc002f14 | 1531 | * the selected generator. Tausworthe is 32-bit, the others are fully |
75f90d5f JA |
1532 | * 64-bit capable. |
1533 | */ | |
1534 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1535 | uint64_t blocks) | |
1536 | { | |
1537 | if (blocks <= FRAND32_MAX) | |
1538 | return 0; | |
1539 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1540 | return 0; | |
1541 | ||
1542 | /* | |
1543 | * If the user hasn't specified a random generator, switch | |
1544 | * to tausworthe64 with informational warning. If the user did | |
1545 | * specify one, just warn. | |
1546 | */ | |
1547 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1548 | f->file_name); | |
1549 | ||
1550 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1551 | log_info("fio: Switching to tausworthe64. Use the " | |
1552 | "random_generator= option to get rid of this " | |
4e795a3e | 1553 | "warning.\n"); |
75f90d5f JA |
1554 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1555 | return 0; | |
1556 | } | |
1557 | ||
1558 | /* | |
1559 | * Just make this information to avoid breaking scripts. | |
1560 | */ | |
1561 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1562 | "tausworthe64.\n"); | |
1563 | return 0; | |
1564 | } | |
1565 | ||
4d832322 | 1566 | bool init_random_map(struct thread_data *td) |
68727076 | 1567 | { |
51ede0b1 | 1568 | unsigned long long blocks; |
68727076 JA |
1569 | struct fio_file *f; |
1570 | unsigned int i; | |
1571 | ||
9c6f6316 | 1572 | if (init_rand_distribution(td)) |
4d832322 | 1573 | return true; |
3831a843 | 1574 | if (!td_random(td)) |
4d832322 | 1575 | return true; |
68727076 JA |
1576 | |
1577 | for_each_file(td, f, i) { | |
42da5c8b | 1578 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1579 | |
3ed8c570 VF |
1580 | if (td->o.zone_mode == ZONE_MODE_STRIDED) |
1581 | fsize = td->o.zone_range; | |
1582 | ||
42da5c8b | 1583 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1584 | |
75f90d5f | 1585 | if (check_rand_gen_limits(td, f, blocks)) |
4d832322 | 1586 | return false; |
37fbd7e9 | 1587 | |
8055e41d | 1588 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
9781c080 | 1589 | uint64_t seed; |
82af46be JA |
1590 | |
1591 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1592 | |
967d1b63 JA |
1593 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1594 | fio_file_set_lfsr(f); | |
8055e41d | 1595 | continue; |
78f59d40 VF |
1596 | } else { |
1597 | log_err("fio: failed initializing LFSR\n"); | |
1598 | return false; | |
967d1b63 | 1599 | } |
3831a843 | 1600 | } else if (!td->o.norandommap) { |
7ebd796f | 1601 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1602 | if (f->io_axmap) { |
1603 | fio_file_set_axmap(f); | |
8055e41d | 1604 | continue; |
967d1b63 | 1605 | } |
1cad7121 JA |
1606 | } else if (td->o.norandommap) |
1607 | continue; | |
ceadd59e | 1608 | |
2b386d25 | 1609 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1610 | log_err("fio: failed allocating random map. If running" |
1611 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1612 | " option or set 'softrandommap'. Or give" |
1613 | " a larger --alloc-size to fio.\n"); | |
4d832322 | 1614 | return false; |
68727076 | 1615 | } |
303032ae JA |
1616 | |
1617 | log_info("fio: file %s failed allocating random map. Running " | |
1618 | "job without.\n", f->file_name); | |
68727076 JA |
1619 | } |
1620 | ||
4d832322 | 1621 | return true; |
68727076 JA |
1622 | } |
1623 | ||
53cdc686 JA |
1624 | void close_files(struct thread_data *td) |
1625 | { | |
0ab8db89 | 1626 | struct fio_file *f; |
af52b345 | 1627 | unsigned int i; |
53cdc686 | 1628 | |
2be3eec3 JA |
1629 | for_each_file(td, f, i) { |
1630 | if (fio_file_open(f)) | |
1631 | td_io_close_file(td, f); | |
1632 | } | |
24ffd2c2 JA |
1633 | } |
1634 | ||
e711df54 JA |
1635 | void fio_file_free(struct fio_file *f) |
1636 | { | |
1637 | if (fio_file_axmap(f)) | |
1638 | axmap_free(f->io_axmap); | |
1639 | if (!fio_file_smalloc(f)) { | |
1640 | free(f->file_name); | |
1641 | free(f); | |
1642 | } else { | |
1643 | sfree(f->file_name); | |
1644 | sfree(f); | |
1645 | } | |
1646 | } | |
1647 | ||
24ffd2c2 JA |
1648 | void close_and_free_files(struct thread_data *td) |
1649 | { | |
1650 | struct fio_file *f; | |
1651 | unsigned int i; | |
1652 | ||
ee56ad50 JA |
1653 | dprint(FD_FILE, "close files\n"); |
1654 | ||
0ab8db89 | 1655 | for_each_file(td, f, i) { |
38ef9c90 CF |
1656 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1657 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1658 | td_io_unlink_file(td, f); | |
1659 | } | |
1660 | ||
22a57ba8 JA |
1661 | if (fio_file_open(f)) |
1662 | td_io_close_file(td, f); | |
1663 | ||
b9fbcf21 | 1664 | remove_file_hash(f); |
b3dc7f07 | 1665 | |
b5f4d8ba JA |
1666 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1667 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1668 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1669 | } |
1670 | ||
3c1dc34c | 1671 | zbd_close_file(f); |
e711df54 | 1672 | fio_file_free(f); |
53cdc686 | 1673 | } |
b4a6a59a | 1674 | |
2dc1bbeb | 1675 | td->o.filename = NULL; |
cade3ef4 | 1676 | free(td->files); |
d7df1d13 | 1677 | free(td->file_locks); |
9efef3c4 | 1678 | td->files_index = 0; |
b4a6a59a | 1679 | td->files = NULL; |
d7df1d13 | 1680 | td->file_locks = NULL; |
27ddbfa0 | 1681 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1682 | td->o.nr_files = 0; |
53cdc686 | 1683 | } |
af52b345 | 1684 | |
e3bab463 | 1685 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1686 | { |
1687 | struct stat sb; | |
1688 | ||
66159828 JA |
1689 | if (!strcmp(f->file_name, "-")) |
1690 | f->filetype = FIO_TYPE_PIPE; | |
1691 | else | |
1692 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1693 | |
d5b78f5a | 1694 | #ifdef WIN32 |
3892182a BC |
1695 | /* \\.\ is the device namespace in Windows, where every file is |
1696 | * a block device */ | |
1697 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1698 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1699 | #endif |
3892182a | 1700 | |
b30d395e | 1701 | if (!stat(f->file_name, &sb)) { |
3892182a | 1702 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1703 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1704 | else if (S_ISCHR(sb.st_mode)) |
1705 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1706 | else if (S_ISFIFO(sb.st_mode)) |
1707 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1708 | } |
1709 | } | |
1710 | ||
1b2a83dc | 1711 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1712 | { |
90426237 | 1713 | struct flist_head *entry; |
1b2a83dc | 1714 | bool ret; |
bcbfeefa | 1715 | |
1b2a83dc JA |
1716 | ret = file_bloom_exists(fname, set); |
1717 | if (!ret) | |
1718 | return ret; | |
90426237 JA |
1719 | |
1720 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1721 | struct file_name *fn; |
90426237 | 1722 | |
04d6530f JA |
1723 | fn = flist_entry(entry, struct file_name, list); |
1724 | ||
1725 | if (!strcmp(fn->filename, fname)) | |
1726 | return true; | |
90426237 JA |
1727 | } |
1728 | ||
04d6530f | 1729 | return false; |
bcbfeefa CE |
1730 | } |
1731 | ||
04d6530f | 1732 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1733 | { |
04d6530f | 1734 | bool ret; |
bcbfeefa | 1735 | |
90426237 | 1736 | fio_file_hash_lock(); |
1b2a83dc | 1737 | ret = __is_already_allocated(fname, false); |
90426237 | 1738 | fio_file_hash_unlock(); |
04d6530f | 1739 | |
90426237 JA |
1740 | return ret; |
1741 | } | |
bcbfeefa | 1742 | |
90426237 JA |
1743 | static void set_already_allocated(const char *fname) |
1744 | { | |
1745 | struct file_name *fn; | |
1746 | ||
1747 | fn = malloc(sizeof(struct file_name)); | |
1748 | fn->filename = strdup(fname); | |
1749 | ||
1750 | fio_file_hash_lock(); | |
1b2a83dc | 1751 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1752 | flist_add_tail(&fn->list, &filename_list); |
1753 | fn = NULL; | |
bcbfeefa | 1754 | } |
90426237 | 1755 | fio_file_hash_unlock(); |
bcbfeefa | 1756 | |
90426237 JA |
1757 | if (fn) { |
1758 | free(fn->filename); | |
1759 | free(fn); | |
1760 | } | |
bcbfeefa CE |
1761 | } |
1762 | ||
190b8f0c CF |
1763 | static void free_already_allocated(void) |
1764 | { | |
bcbfeefa CE |
1765 | struct flist_head *entry, *tmp; |
1766 | struct file_name *fn; | |
1767 | ||
90426237 JA |
1768 | if (flist_empty(&filename_list)) |
1769 | return; | |
1770 | ||
1771 | fio_file_hash_lock(); | |
1772 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1773 | fn = flist_entry(entry, struct file_name, list); | |
1774 | free(fn->filename); | |
1775 | flist_del(&fn->list); | |
1776 | free(fn); | |
bcbfeefa | 1777 | } |
90426237 JA |
1778 | |
1779 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1780 | } |
1781 | ||
7b5cb700 JA |
1782 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1783 | { | |
1784 | struct fio_file *f; | |
1785 | ||
cb9bf647 JB |
1786 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1787 | f = calloc(1, sizeof(*f)); | |
1788 | else | |
e0b3258b | 1789 | f = scalloc(1, sizeof(*f)); |
7b5cb700 | 1790 | if (!f) { |
7b5cb700 JA |
1791 | assert(0); |
1792 | return NULL; | |
1793 | } | |
1794 | ||
1795 | f->fd = -1; | |
1796 | f->shadow_fd = -1; | |
1797 | fio_file_reset(td, f); | |
6081231a JA |
1798 | if (!td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1799 | fio_file_set_smalloc(f); | |
7b5cb700 JA |
1800 | return f; |
1801 | } | |
1802 | ||
04d6530f JA |
1803 | bool exists_and_not_regfile(const char *filename) |
1804 | { | |
1805 | struct stat sb; | |
1806 | ||
1807 | if (lstat(filename, &sb) == -1) | |
1808 | return false; | |
1809 | ||
1810 | #ifndef WIN32 /* NOT Windows */ | |
1811 | if (S_ISREG(sb.st_mode)) | |
1812 | return false; | |
1813 | #else | |
1814 | /* \\.\ is the device namespace in Windows, where every file | |
1815 | * is a device node */ | |
1816 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1817 | return false; | |
1818 | #endif | |
1819 | ||
1820 | return true; | |
1821 | } | |
1822 | ||
5903e7b7 | 1823 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1824 | { |
7b4e4fe5 | 1825 | int cur_files = td->files_index; |
bd0ee748 | 1826 | char file_name[PATH_MAX]; |
af52b345 | 1827 | struct fio_file *f; |
bd0ee748 | 1828 | int len = 0; |
af52b345 | 1829 | |
ee56ad50 JA |
1830 | dprint(FD_FILE, "add file %s\n", fname); |
1831 | ||
bcbfeefa | 1832 | if (td->o.directory) |
922a5be8 JA |
1833 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1834 | td->o.unique_filename); | |
bcbfeefa CE |
1835 | |
1836 | sprintf(file_name + len, "%s", fname); | |
1837 | ||
1838 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1839 | if (numjob && is_already_allocated(file_name) && |
1840 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1841 | return 0; |
1842 | ||
7b5cb700 | 1843 | f = alloc_new_file(td); |
bd0ee748 | 1844 | |
fc99bc0d | 1845 | if (td->files_size <= td->files_index) { |
1983e327 | 1846 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1847 | |
fc99bc0d JA |
1848 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1849 | ||
1850 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1851 | if (td->files == NULL) { |
1852 | log_err("fio: realloc OOM\n"); | |
1853 | assert(0); | |
1854 | } | |
d7df1d13 JA |
1855 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1856 | td->file_locks = realloc(td->file_locks, new_size); | |
1857 | if (!td->file_locks) { | |
1858 | log_err("fio: realloc OOM\n"); | |
1859 | assert(0); | |
1860 | } | |
1861 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1862 | } | |
fc99bc0d JA |
1863 | td->files_size = new_size; |
1864 | } | |
8bb7679e | 1865 | td->files[cur_files] = f; |
89ac1d48 | 1866 | f->fileno = cur_files; |
126d65c6 | 1867 | |
07eb79df JA |
1868 | /* |
1869 | * init function, io engine may not be loaded yet | |
1870 | */ | |
9b87f09b | 1871 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1872 | f->real_file_size = -1ULL; |
1873 | ||
cb9bf647 JB |
1874 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1875 | f->file_name = strdup(file_name); | |
1876 | else | |
1877 | f->file_name = smalloc_strdup(file_name); | |
b2e6494c JA |
1878 | |
1879 | /* can't handle smalloc failure from here */ | |
1880 | assert(f->file_name); | |
0b9d69ec | 1881 | |
e3bab463 | 1882 | get_file_type(f); |
af52b345 | 1883 | |
4d4e80f2 JA |
1884 | switch (td->o.file_lock_mode) { |
1885 | case FILE_LOCK_NONE: | |
1886 | break; | |
1887 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1888 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1889 | break; |
1890 | case FILE_LOCK_EXCLUSIVE: | |
971caeb1 | 1891 | f->lock = fio_sem_init(FIO_SEM_UNLOCKED); |
4d4e80f2 JA |
1892 | break; |
1893 | default: | |
1894 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1895 | assert(0); | |
1896 | } | |
29c1349f | 1897 | |
7b4e4fe5 | 1898 | td->files_index++; |
f29b25a3 | 1899 | |
084a5475 JA |
1900 | if (td->o.numjobs > 1) |
1901 | set_already_allocated(file_name); | |
bcbfeefa | 1902 | |
5903e7b7 JA |
1903 | if (inc) |
1904 | td->o.nr_files++; | |
1905 | ||
5ec10eaa JA |
1906 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1907 | cur_files); | |
9efef3c4 | 1908 | |
f29b25a3 | 1909 | return cur_files; |
af52b345 | 1910 | } |
0ad920e7 | 1911 | |
49ffb4a2 JA |
1912 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1913 | { | |
1914 | struct fio_file *f; | |
1915 | unsigned int i; | |
1916 | ||
1917 | for_each_file(td, f, i) { | |
1918 | if (!strcmp(f->file_name, fname)) | |
1919 | return i; | |
1920 | } | |
1921 | ||
5903e7b7 | 1922 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1923 | } |
1924 | ||
0ad920e7 JA |
1925 | void get_file(struct fio_file *f) |
1926 | { | |
8172fe97 | 1927 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1928 | assert(fio_file_open(f)); |
0ad920e7 JA |
1929 | f->references++; |
1930 | } | |
1931 | ||
6977bcd0 | 1932 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1933 | { |
98e1ac4e | 1934 | int f_ret = 0, ret = 0; |
6977bcd0 | 1935 | |
8172fe97 | 1936 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1937 | |
22a57ba8 JA |
1938 | if (!fio_file_open(f)) { |
1939 | assert(f->fd == -1); | |
6977bcd0 | 1940 | return 0; |
22a57ba8 | 1941 | } |
0ad920e7 JA |
1942 | |
1943 | assert(f->references); | |
1944 | if (--f->references) | |
6977bcd0 | 1945 | return 0; |
0ad920e7 | 1946 | |
230f33fb AK |
1947 | disk_util_dec(f->du); |
1948 | ||
1949 | if (td->o.file_lock_mode != FILE_LOCK_NONE) | |
1950 | unlock_file_all(td, f); | |
1951 | ||
71b84caa | 1952 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1953 | f_ret = fsync(f->fd); |
71b84caa JA |
1954 | if (f_ret < 0) |
1955 | f_ret = errno; | |
1956 | } | |
ebb1415f | 1957 | |
0ad920e7 | 1958 | if (td->io_ops->close_file) |
6977bcd0 | 1959 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1960 | |
98e1ac4e | 1961 | if (!ret) |
a5fb461f | 1962 | ret = f_ret; |
98e1ac4e | 1963 | |
0ad920e7 | 1964 | td->nr_open_files--; |
230f33fb | 1965 | fio_file_clear_closing(f); |
d6aed795 | 1966 | fio_file_clear_open(f); |
22a57ba8 | 1967 | assert(f->fd == -1); |
6977bcd0 | 1968 | return ret; |
0ad920e7 | 1969 | } |
bbf6b540 | 1970 | |
4d4e80f2 | 1971 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1972 | { |
4d4e80f2 JA |
1973 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1974 | return; | |
29c1349f | 1975 | |
4d4e80f2 JA |
1976 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1977 | if (ddir == DDIR_READ) | |
d7df1d13 | 1978 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1979 | else |
d7df1d13 | 1980 | fio_rwlock_write(f->rwlock); |
4d4e80f2 | 1981 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
971caeb1 | 1982 | fio_sem_down(f->lock); |
4d4e80f2 | 1983 | |
d7df1d13 | 1984 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1985 | } |
1986 | ||
4d4e80f2 | 1987 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1988 | { |
4d4e80f2 JA |
1989 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1990 | return; | |
4d4e80f2 | 1991 | |
d7df1d13 JA |
1992 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1993 | fio_rwlock_unlock(f->rwlock); | |
1994 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
971caeb1 | 1995 | fio_sem_up(f->lock); |
d7df1d13 JA |
1996 | |
1997 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1998 | } |
1999 | ||
4d4e80f2 JA |
2000 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
2001 | { | |
f2a2803a | 2002 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 2003 | return; |
d7df1d13 JA |
2004 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
2005 | unlock_file(td, f); | |
4d4e80f2 JA |
2006 | } |
2007 | ||
13bddad9 | 2008 | static bool recurse_dir(struct thread_data *td, const char *dirname) |
bbf6b540 JA |
2009 | { |
2010 | struct dirent *dir; | |
13bddad9 | 2011 | bool ret = false; |
bbf6b540 JA |
2012 | DIR *D; |
2013 | ||
2014 | D = opendir(dirname); | |
2015 | if (!D) { | |
0ddb270c JA |
2016 | char buf[FIO_VERROR_SIZE]; |
2017 | ||
98ffb8f3 | 2018 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 2019 | td_verror(td, errno, buf); |
13bddad9 | 2020 | return true; |
bbf6b540 JA |
2021 | } |
2022 | ||
2023 | while ((dir = readdir(D)) != NULL) { | |
2024 | char full_path[PATH_MAX]; | |
2025 | struct stat sb; | |
2026 | ||
e85b2b83 JA |
2027 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
2028 | continue; | |
96d32d51 | 2029 | |
53a7af85 | 2030 | sprintf(full_path, "%s%c%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
2031 | |
2032 | if (lstat(full_path, &sb) == -1) { | |
2033 | if (errno != ENOENT) { | |
2034 | td_verror(td, errno, "stat"); | |
13bddad9 | 2035 | ret = true; |
68ace9e0 | 2036 | break; |
bbf6b540 JA |
2037 | } |
2038 | } | |
2039 | ||
2040 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 2041 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
2042 | continue; |
2043 | } | |
0ddb270c JA |
2044 | if (!S_ISDIR(sb.st_mode)) |
2045 | continue; | |
bbf6b540 | 2046 | |
5ec10eaa JA |
2047 | ret = recurse_dir(td, full_path); |
2048 | if (ret) | |
bbf6b540 JA |
2049 | break; |
2050 | } | |
2051 | ||
2052 | closedir(D); | |
2053 | return ret; | |
2054 | } | |
2055 | ||
2056 | int add_dir_files(struct thread_data *td, const char *path) | |
2057 | { | |
0ddb270c JA |
2058 | int ret = recurse_dir(td, path); |
2059 | ||
2060 | if (!ret) | |
2061 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
2062 | ||
2063 | return ret; | |
bbf6b540 | 2064 | } |
cade3ef4 JA |
2065 | |
2066 | void dup_files(struct thread_data *td, struct thread_data *org) | |
2067 | { | |
2068 | struct fio_file *f; | |
2069 | unsigned int i; | |
9efef3c4 JA |
2070 | |
2071 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
2072 | |
2073 | if (!org->files) | |
2074 | return; | |
2075 | ||
5d7de92e | 2076 | td->files = calloc(org->files_index, sizeof(f)); |
cade3ef4 | 2077 | |
d7df1d13 JA |
2078 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
2079 | td->file_locks = malloc(org->files_index); | |
2080 | ||
5d7de92e | 2081 | assert(org->files_index >= org->o.nr_files); |
9efef3c4 | 2082 | for_each_file(org, f, i) { |
b0fe421a JA |
2083 | struct fio_file *__f; |
2084 | ||
7b5cb700 | 2085 | __f = alloc_new_file(td); |
0b9d69ec | 2086 | |
bc3456fa | 2087 | if (f->file_name) { |
cb9bf647 JB |
2088 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
2089 | __f->file_name = strdup(f->file_name); | |
2090 | else | |
2091 | __f->file_name = smalloc_strdup(f->file_name); | |
0b9d69ec | 2092 | |
b2e6494c JA |
2093 | /* can't handle smalloc failure from here */ |
2094 | assert(__f->file_name); | |
bc3456fa AC |
2095 | __f->filetype = f->filetype; |
2096 | } | |
b0fe421a | 2097 | |
67ad9242 JA |
2098 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
2099 | __f->lock = f->lock; | |
2100 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
2101 | __f->rwlock = f->rwlock; | |
2102 | ||
b0fe421a | 2103 | td->files[i] = __f; |
cade3ef4 JA |
2104 | } |
2105 | } | |
f29b25a3 JA |
2106 | |
2107 | /* | |
2108 | * Returns the index that matches the filename, or -1 if not there | |
2109 | */ | |
2110 | int get_fileno(struct thread_data *td, const char *fname) | |
2111 | { | |
2112 | struct fio_file *f; | |
2113 | unsigned int i; | |
2114 | ||
2115 | for_each_file(td, f, i) | |
2116 | if (!strcmp(f->file_name, fname)) | |
2117 | return i; | |
2118 | ||
2119 | return -1; | |
2120 | } | |
2121 | ||
2122 | /* | |
2123 | * For log usage, where we add/open/close files automatically | |
2124 | */ | |
2125 | void free_release_files(struct thread_data *td) | |
2126 | { | |
2127 | close_files(td); | |
66ee4002 JA |
2128 | td->o.nr_files = 0; |
2129 | td->o.open_files = 0; | |
f29b25a3 | 2130 | td->files_index = 0; |
f29b25a3 | 2131 | } |
33c48814 JA |
2132 | |
2133 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
2134 | { | |
f1dfb668 JA |
2135 | int i; |
2136 | ||
2137 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
2138 | f->last_pos[i] = f->file_offset; | |
2139 | f->last_start[i] = -1ULL; | |
2140 | } | |
2141 | ||
967d1b63 | 2142 | if (fio_file_axmap(f)) |
33c48814 | 2143 | axmap_reset(f->io_axmap); |
967d1b63 | 2144 | else if (fio_file_lfsr(f)) |
33c48814 | 2145 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
bfbdd35b BVA |
2146 | |
2147 | zbd_file_reset(td, f); | |
33c48814 | 2148 | } |
002fe734 | 2149 | |
747b3105 | 2150 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
2151 | { |
2152 | struct fio_file *f; | |
2153 | unsigned int i; | |
2154 | ||
2155 | for_each_file(td, f, i) | |
2156 | if (!fio_file_done(f)) | |
747b3105 | 2157 | return false; |
002fe734 | 2158 | |
747b3105 | 2159 | return true; |
002fe734 | 2160 | } |
bcbfeefa CE |
2161 | |
2162 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
2163 | void filesetup_mem_free(void) |
2164 | { | |
bcbfeefa CE |
2165 | free_already_allocated(); |
2166 | } | |
47534cda TK |
2167 | |
2168 | /* | |
2169 | * This function is for platforms which support direct I/O but not O_DIRECT. | |
2170 | */ | |
2171 | int fio_set_directio(struct thread_data *td, struct fio_file *f) | |
2172 | { | |
2173 | #ifdef FIO_OS_DIRECTIO | |
2905de74 | 2174 | int ret = fio_set_odirect(f); |
47534cda TK |
2175 | |
2176 | if (ret) { | |
2177 | td_verror(td, ret, "fio_set_directio"); | |
2178 | #if defined(__sun__) | |
2179 | if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */ | |
2180 | log_err("fio: doing directIO to RAW devices or ZFS not supported\n"); | |
2181 | } else { | |
2182 | log_err("fio: the file system does not seem to support direct IO\n"); | |
2183 | } | |
2184 | #else | |
2185 | log_err("fio: the file system does not seem to support direct IO\n"); | |
2186 | #endif | |
2187 | return -1; | |
2188 | } | |
2189 | ||
2190 | return 0; | |
2191 | #else | |
51102e0d | 2192 | log_err("fio: direct IO is not supported on this host operating system\n"); |
47534cda TK |
2193 | return -1; |
2194 | #endif | |
2195 | } |