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" |
53cdc686 | 17 | |
97ac992c | 18 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
19 | #include <linux/falloc.h> |
20 | #endif | |
21 | ||
bcbfeefa CE |
22 | static FLIST_HEAD(filename_list); |
23 | ||
bf651609 TK |
24 | /* |
25 | * List entry for filename_list | |
26 | */ | |
27 | struct file_name { | |
28 | struct flist_head list; | |
29 | char *filename; | |
30 | }; | |
31 | ||
c592b9fe JA |
32 | static inline void clear_error(struct thread_data *td) |
33 | { | |
34 | td->error = 0; | |
35 | td->verror[0] = '\0'; | |
36 | } | |
37 | ||
c75f74fb | 38 | static int native_fallocate(struct thread_data *td, struct fio_file *f) |
2c3e17be SW |
39 | { |
40 | bool success; | |
41 | ||
42 | success = fio_fallocate(f, 0, f->real_file_size); | |
43 | dprint(FD_FILE, "native fallocate of file %s size %llu was " | |
44 | "%ssuccessful\n", f->file_name, | |
45 | (unsigned long long) f->real_file_size, | |
46 | !success ? "un": ""); | |
47 | ||
48 | if (success) | |
c0aabe37 | 49 | return false; |
2c3e17be SW |
50 | |
51 | if (errno == ENOSYS) | |
52 | dprint(FD_FILE, "native fallocate is not implemented\n"); | |
53 | ||
c0aabe37 | 54 | return true; |
2c3e17be SW |
55 | } |
56 | ||
005eb303 JA |
57 | static void fallocate_file(struct thread_data *td, struct fio_file *f) |
58 | { | |
005eb303 JA |
59 | if (td->o.fill_device) |
60 | return; | |
61 | ||
005eb303 | 62 | switch (td->o.fallocate_mode) { |
2c3e17be | 63 | case FIO_FALLOCATE_NATIVE: |
c0aabe37 | 64 | native_fallocate(td, f); |
2c3e17be | 65 | break; |
005eb303 JA |
66 | case FIO_FALLOCATE_NONE: |
67 | break; | |
2c3e17be | 68 | #ifdef CONFIG_POSIX_FALLOCATE |
52db2dac JA |
69 | case FIO_FALLOCATE_POSIX: { |
70 | int r; | |
71 | ||
005eb303 JA |
72 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", |
73 | f->file_name, | |
74 | (unsigned long long) f->real_file_size); | |
75 | ||
76 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
77 | if (r > 0) | |
78 | log_err("fio: posix_fallocate fails: %s\n", strerror(r)); | |
79 | break; | |
52db2dac | 80 | } |
2c3e17be | 81 | #endif /* CONFIG_POSIX_FALLOCATE */ |
005eb303 | 82 | #ifdef CONFIG_LINUX_FALLOCATE |
52db2dac JA |
83 | case FIO_FALLOCATE_KEEP_SIZE: { |
84 | int r; | |
85 | ||
005eb303 JA |
86 | dprint(FD_FILE, "fallocate(FALLOC_FL_KEEP_SIZE) " |
87 | "file %s size %llu\n", f->file_name, | |
88 | (unsigned long long) f->real_file_size); | |
89 | ||
90 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, f->real_file_size); | |
91 | if (r != 0) | |
92 | td_verror(td, errno, "fallocate"); | |
93 | ||
94 | break; | |
52db2dac | 95 | } |
005eb303 JA |
96 | #endif /* CONFIG_LINUX_FALLOCATE */ |
97 | default: | |
98 | log_err("fio: unknown fallocate mode: %d\n", td->o.fallocate_mode); | |
99 | assert(0); | |
100 | } | |
005eb303 JA |
101 | } |
102 | ||
3baddf24 JA |
103 | /* |
104 | * Leaves f->fd open on success, caller must close | |
105 | */ | |
7bb48f84 | 106 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 107 | { |
005eb303 | 108 | int new_layout = 0, unlink_file = 0, flags; |
25205e97 | 109 | unsigned long long left; |
5fff9543 | 110 | unsigned long long bs; |
f3e1eb23 | 111 | char *b = NULL; |
b2a15192 | 112 | |
4241ea8f JA |
113 | if (read_only) { |
114 | log_err("fio: refusing extend of file due to read-only\n"); | |
115 | return 0; | |
116 | } | |
117 | ||
507a702f JA |
118 | /* |
119 | * check if we need to lay the file out complete again. fio | |
120 | * does that for operations involving reads, or for writes | |
121 | * where overwrite is set | |
122 | */ | |
1417daeb JA |
123 | if (td_read(td) || |
124 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 125 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 126 | new_layout = 1; |
1417daeb | 127 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 128 | unlink_file = 1; |
507a702f | 129 | |
6ae1f57f | 130 | if (unlink_file || new_layout) { |
2442c935 JA |
131 | int ret; |
132 | ||
bd199f2b | 133 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
134 | |
135 | ret = td_io_unlink_file(td, f); | |
136 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
137 | td_verror(td, errno, "unlink"); |
138 | return 1; | |
139 | } | |
140 | } | |
141 | ||
2378826d JA |
142 | flags = O_WRONLY; |
143 | if (td->o.allow_create) | |
144 | flags |= O_CREAT; | |
507a702f JA |
145 | if (new_layout) |
146 | flags |= O_TRUNC; | |
147 | ||
9c0f3f32 BC |
148 | #ifdef WIN32 |
149 | flags |= _O_BINARY; | |
150 | #endif | |
151 | ||
ee56ad50 | 152 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 153 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 154 | if (f->fd < 0) { |
2378826d JA |
155 | int err = errno; |
156 | ||
157 | if (err == ENOENT && !td->o.allow_create) | |
158 | log_err("fio: file creation disallowed by " | |
159 | "allow_file_create=0\n"); | |
323876fb | 160 | else |
2378826d | 161 | td_verror(td, err, "open"); |
53cdc686 JA |
162 | return 1; |
163 | } | |
164 | ||
005eb303 | 165 | fallocate_file(td, f); |
9b836561 | 166 | |
79591fa9 TK |
167 | /* |
168 | * If our jobs don't require regular files initially, we're done. | |
169 | */ | |
fc74ac1d SL |
170 | if (!new_layout) |
171 | goto done; | |
172 | ||
5e0074c2 JA |
173 | /* |
174 | * The size will be -1ULL when fill_device is used, so don't truncate | |
175 | * or fallocate this file, just write it | |
176 | */ | |
177 | if (!td->o.fill_device) { | |
178 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 179 | (unsigned long long) f->real_file_size); |
5e0074c2 | 180 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
181 | if (errno != EFBIG) { |
182 | td_verror(td, errno, "ftruncate"); | |
183 | goto err; | |
184 | } | |
5e0074c2 | 185 | } |
5e0074c2 | 186 | } |
40f8298c | 187 | |
82d8de31 TK |
188 | left = f->real_file_size; |
189 | bs = td->o.max_bs[DDIR_WRITE]; | |
190 | if (bs > left) | |
191 | bs = left; | |
192 | ||
323876fb | 193 | b = malloc(bs); |
84af30a1 | 194 | if (!b) { |
323876fb | 195 | td_verror(td, errno, "malloc"); |
84af30a1 TK |
196 | goto err; |
197 | } | |
53cdc686 | 198 | |
53cdc686 | 199 | while (left && !td->terminate) { |
005eb303 JA |
200 | ssize_t r; |
201 | ||
53cdc686 JA |
202 | if (bs > left) |
203 | bs = left; | |
204 | ||
cc86c395 JA |
205 | fill_io_buffer(td, b, bs, bs); |
206 | ||
53cdc686 JA |
207 | r = write(f->fd, b, bs); |
208 | ||
5e0074c2 JA |
209 | if (r > 0) { |
210 | left -= r; | |
53cdc686 JA |
211 | continue; |
212 | } else { | |
5e0074c2 JA |
213 | if (r < 0) { |
214 | int __e = errno; | |
215 | ||
216 | if (__e == ENOSPC) { | |
217 | if (td->o.fill_device) | |
218 | break; | |
219 | log_info("fio: ENOSPC on laying out " | |
220 | "file, stopping\n"); | |
221 | break; | |
222 | } | |
e1161c32 | 223 | td_verror(td, errno, "write"); |
5e0074c2 | 224 | } else |
e1161c32 | 225 | td_verror(td, EIO, "write"); |
53cdc686 JA |
226 | |
227 | break; | |
228 | } | |
229 | } | |
230 | ||
ffdfabd4 JA |
231 | if (td->terminate) { |
232 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 233 | td_io_unlink_file(td, f); |
ffdfabd4 | 234 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
235 | if (fsync(f->fd) < 0) { |
236 | td_verror(td, errno, "fsync"); | |
237 | goto err; | |
238 | } | |
239 | } | |
0d1cd207 | 240 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 241 | fio_file_clear_size_known(f); |
5e0074c2 JA |
242 | if (td_io_get_file_size(td, f)) |
243 | goto err; | |
244 | if (f->io_size > f->real_file_size) | |
245 | f->io_size = f->real_file_size; | |
246 | } | |
53cdc686 | 247 | |
323876fb | 248 | free(b); |
507a702f | 249 | done: |
53cdc686 JA |
250 | return 0; |
251 | err: | |
252 | close(f->fd); | |
253 | f->fd = -1; | |
f3e1eb23 | 254 | if (b) |
323876fb | 255 | free(b); |
53cdc686 JA |
256 | return 1; |
257 | } | |
258 | ||
c139f3b4 | 259 | static bool pre_read_file(struct thread_data *td, struct fio_file *f) |
afad68f7 | 260 | { |
c139f3b4 | 261 | int r, did_open = 0, old_runstate; |
afad68f7 | 262 | unsigned long long left; |
5fff9543 | 263 | unsigned long long bs; |
c139f3b4 | 264 | bool ret = true; |
afad68f7 ZY |
265 | char *b; |
266 | ||
736f1188 TK |
267 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
268 | td_ioengine_flagged(td, FIO_NOIO)) | |
c139f3b4 | 269 | return true; |
9c0d2241 | 270 | |
e658078b | 271 | if (f->filetype == FIO_TYPE_CHAR) |
c139f3b4 | 272 | return true; |
e658078b | 273 | |
d6aed795 | 274 | if (!fio_file_open(f)) { |
b0f65863 JA |
275 | if (td->io_ops->open_file(td, f)) { |
276 | log_err("fio: cannot pre-read, failed to open file\n"); | |
c139f3b4 | 277 | return false; |
b0f65863 JA |
278 | } |
279 | did_open = 1; | |
280 | } | |
281 | ||
8edd973d | 282 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 283 | |
82d8de31 | 284 | left = f->io_size; |
afad68f7 | 285 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
286 | if (bs > left) |
287 | bs = left; | |
288 | ||
afad68f7 | 289 | b = malloc(bs); |
84af30a1 TK |
290 | if (!b) { |
291 | td_verror(td, errno, "malloc"); | |
c139f3b4 | 292 | ret = false; |
84af30a1 TK |
293 | goto error; |
294 | } | |
afad68f7 ZY |
295 | memset(b, 0, bs); |
296 | ||
ef799a64 JA |
297 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
298 | td_verror(td, errno, "lseek"); | |
299 | log_err("fio: failed to lseek pre-read file\n"); | |
c139f3b4 | 300 | ret = false; |
ef799a64 JA |
301 | goto error; |
302 | } | |
303 | ||
afad68f7 ZY |
304 | while (left && !td->terminate) { |
305 | if (bs > left) | |
306 | bs = left; | |
307 | ||
308 | r = read(f->fd, b, bs); | |
309 | ||
310 | if (r == (int) bs) { | |
311 | left -= bs; | |
312 | continue; | |
313 | } else { | |
314 | td_verror(td, EIO, "pre_read"); | |
315 | break; | |
316 | } | |
317 | } | |
318 | ||
ef799a64 | 319 | error: |
8edd973d | 320 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
321 | |
322 | if (did_open) | |
323 | td->io_ops->close_file(td, f); | |
ef799a64 | 324 | |
afad68f7 | 325 | free(b); |
ef799a64 | 326 | return ret; |
afad68f7 ZY |
327 | } |
328 | ||
a3f001f5 | 329 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 330 | { |
dc873b6f | 331 | unsigned long long ret, sized; |
c3546b53 | 332 | uint64_t frand_max; |
1294c3ec | 333 | unsigned long r; |
9c60ce64 | 334 | |
c3546b53 | 335 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 336 | r = __rand(&td->file_size_state); |
54a21917 | 337 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 338 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 339 | ret += td->o.file_size_low; |
2dc1bbeb | 340 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
341 | return ret; |
342 | } | |
343 | ||
53cdc686 JA |
344 | static int file_size(struct thread_data *td, struct fio_file *f) |
345 | { | |
346 | struct stat st; | |
347 | ||
df9c26b1 | 348 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
349 | td_verror(td, errno, "fstat"); |
350 | return 1; | |
351 | } | |
53cdc686 | 352 | |
7bb48f84 | 353 | f->real_file_size = st.st_size; |
53cdc686 JA |
354 | return 0; |
355 | } | |
356 | ||
357 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
358 | { | |
9b836561 | 359 | unsigned long long bytes = 0; |
53cdc686 JA |
360 | int r; |
361 | ||
df9c26b1 JA |
362 | if (td->io_ops->open_file(td, f)) { |
363 | log_err("fio: failed opening blockdev %s for size check\n", | |
364 | f->file_name); | |
365 | return 1; | |
366 | } | |
367 | ||
ecc314ba | 368 | r = blockdev_size(f, &bytes); |
53cdc686 | 369 | if (r) { |
e1161c32 | 370 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 371 | goto err; |
53cdc686 JA |
372 | } |
373 | ||
7ab077ab JA |
374 | if (!bytes) { |
375 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 376 | goto err; |
7ab077ab JA |
377 | } |
378 | ||
53cdc686 | 379 | f->real_file_size = bytes; |
22a57ba8 | 380 | td->io_ops->close_file(td, f); |
53cdc686 | 381 | return 0; |
df9c26b1 JA |
382 | err: |
383 | td->io_ops->close_file(td, f); | |
384 | return 1; | |
53cdc686 JA |
385 | } |
386 | ||
4ccdccd1 JA |
387 | static int char_size(struct thread_data *td, struct fio_file *f) |
388 | { | |
389 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 390 | unsigned long long bytes = 0; |
4ccdccd1 JA |
391 | int r; |
392 | ||
393 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 394 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
395 | f->file_name); |
396 | return 1; | |
397 | } | |
398 | ||
ecc314ba | 399 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
400 | if (r) { |
401 | td_verror(td, r, "chardev_size"); | |
402 | goto err; | |
403 | } | |
404 | ||
405 | if (!bytes) { | |
406 | log_err("%s: zero sized char device?\n", f->file_name); | |
407 | goto err; | |
408 | } | |
409 | ||
410 | f->real_file_size = bytes; | |
411 | td->io_ops->close_file(td, f); | |
412 | return 0; | |
413 | err: | |
414 | td->io_ops->close_file(td, f); | |
415 | return 1; | |
416 | #else | |
417 | f->real_file_size = -1ULL; | |
418 | return 0; | |
419 | #endif | |
420 | } | |
421 | ||
53cdc686 JA |
422 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
423 | { | |
424 | int ret = 0; | |
425 | ||
d6aed795 | 426 | if (fio_file_size_known(f)) |
409b3417 JA |
427 | return 0; |
428 | ||
7bb48f84 JA |
429 | if (f->filetype == FIO_TYPE_FILE) |
430 | ret = file_size(td, f); | |
686fbd31 | 431 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 432 | ret = bdev_size(td, f); |
4ccdccd1 JA |
433 | else if (f->filetype == FIO_TYPE_CHAR) |
434 | ret = char_size(td, f); | |
8bd809f5 TK |
435 | else { |
436 | f->real_file_size = -1; | |
437 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
438 | f->file_name); | |
439 | return 1; /* avoid offset extends end error message */ | |
440 | } | |
53cdc686 | 441 | |
79591fa9 TK |
442 | /* |
443 | * Leave ->real_file_size with 0 since it could be expectation | |
444 | * of initial setup for regular files. | |
445 | */ | |
a0cb220b | 446 | if (ret) |
53cdc686 JA |
447 | return ret; |
448 | ||
957c81b9 TK |
449 | /* |
450 | * ->file_offset normally hasn't been initialized yet, so this | |
8bd809f5 TK |
451 | * is basically always false unless ->real_file_size is -1, but |
452 | * if ->real_file_size is -1 this message doesn't make sense. | |
453 | * As a result, this message is basically useless. | |
957c81b9 | 454 | */ |
53cdc686 | 455 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 456 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
457 | (unsigned long long) f->file_offset, |
458 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
459 | return 1; |
460 | } | |
461 | ||
d6aed795 | 462 | fio_file_set_size_known(f); |
53cdc686 JA |
463 | return 0; |
464 | } | |
465 | ||
3baddf24 JA |
466 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
467 | unsigned long long off, | |
468 | unsigned long long len) | |
e5b401d4 | 469 | { |
942a851a | 470 | int errval = 0, ret = 0; |
e5b401d4 | 471 | |
c8931876 JA |
472 | #ifdef CONFIG_ESX |
473 | return 0; | |
474 | #endif | |
475 | ||
5e0074c2 | 476 | if (len == -1ULL) |
3baddf24 JA |
477 | len = f->io_size; |
478 | if (off == -1ULL) | |
479 | off = f->file_offset; | |
ee56ad50 | 480 | |
0d1cd207 JA |
481 | if (len == -1ULL || off == -1ULL) |
482 | return 0; | |
483 | ||
942a851a | 484 | if (td->io_ops->invalidate) { |
4499dbef TK |
485 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
486 | f->file_name); | |
d9b100fc | 487 | ret = td->io_ops->invalidate(td, f); |
942a851a | 488 | if (ret < 0) |
afd118db | 489 | errval = -ret; |
4e18b4d9 SW |
490 | } else if (td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
491 | dprint(FD_IO, "invalidate not supported by ioengine %s\n", | |
492 | td->io_ops->name); | |
942a851a | 493 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
494 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
495 | f->file_name, off, len); | |
ecc314ba | 496 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 497 | if (ret) |
942a851a | 498 | errval = ret; |
686fbd31 | 499 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
500 | int retry_count = 0; |
501 | ||
4499dbef | 502 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 503 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
504 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
505 | /* | |
506 | * Linux multipath devices reject ioctl while | |
507 | * the maps are being updated. That window can | |
508 | * last tens of milliseconds; we'll try up to | |
509 | * a quarter of a second. | |
510 | */ | |
511 | usleep(10000); | |
512 | ret = blockdev_invalidate_cache(f); | |
513 | } | |
7e0e25c9 | 514 | if (ret < 0 && errno == EACCES && geteuid()) { |
5bdc4522 | 515 | if (!fio_did_warn(FIO_WARN_ROOT_FLUSH)) { |
5ec10eaa JA |
516 | log_err("fio: only root may flush block " |
517 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 | 518 | } |
7e0e25c9 | 519 | } |
942a851a JA |
520 | if (ret < 0) |
521 | errval = errno; | |
4499dbef TK |
522 | } else if (f->filetype == FIO_TYPE_CHAR || |
523 | f->filetype == FIO_TYPE_PIPE) { | |
524 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
4499dbef | 525 | } |
e5b401d4 | 526 | |
dfe11fd1 JA |
527 | /* |
528 | * Cache flushing isn't a fatal condition, and we know it will | |
529 | * happen on some platforms where we don't have the proper | |
530 | * function to flush eg block device caches. So just warn and | |
531 | * continue on our way. | |
532 | */ | |
942a851a | 533 | if (errval) |
22de5d77 TK |
534 | log_info("fio: cache invalidation of %s failed: %s\n", |
535 | f->file_name, strerror(errval)); | |
e5b401d4 | 536 | |
dfe11fd1 | 537 | return 0; |
3baddf24 JA |
538 | |
539 | } | |
540 | ||
541 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
542 | { | |
d6aed795 | 543 | if (!fio_file_open(f)) |
a5fb461f JA |
544 | return 0; |
545 | ||
5e0074c2 | 546 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
547 | } |
548 | ||
6977bcd0 | 549 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 550 | { |
6977bcd0 JA |
551 | int ret = 0; |
552 | ||
ee56ad50 | 553 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
554 | |
555 | remove_file_hash(f); | |
556 | ||
6977bcd0 JA |
557 | if (close(f->fd) < 0) |
558 | ret = errno; | |
559 | ||
b5af8293 | 560 | f->fd = -1; |
e6c4d732 JA |
561 | |
562 | if (f->shadow_fd != -1) { | |
563 | close(f->shadow_fd); | |
564 | f->shadow_fd = -1; | |
565 | } | |
566 | ||
710bf9c5 | 567 | f->engine_pos = 0; |
6977bcd0 | 568 | return ret; |
53cdc686 JA |
569 | } |
570 | ||
1ccc6dc7 | 571 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 572 | { |
29c1349f | 573 | struct fio_file *__f; |
4d4e80f2 JA |
574 | int from_hash; |
575 | ||
576 | __f = lookup_file_hash(f->file_name); | |
577 | if (__f) { | |
9efef3c4 | 578 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 579 | f->lock = __f->lock; |
4d4e80f2 JA |
580 | from_hash = 1; |
581 | } else { | |
9efef3c4 | 582 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
583 | from_hash = 0; |
584 | } | |
585 | ||
9c0f3f32 BC |
586 | #ifdef WIN32 |
587 | flags |= _O_BINARY; | |
588 | #endif | |
589 | ||
e8670ef8 | 590 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
591 | return from_hash; |
592 | } | |
593 | ||
e6c4d732 JA |
594 | static int file_close_shadow_fds(struct thread_data *td) |
595 | { | |
596 | struct fio_file *f; | |
597 | int num_closed = 0; | |
598 | unsigned int i; | |
599 | ||
600 | for_each_file(td, f, i) { | |
601 | if (f->shadow_fd == -1) | |
602 | continue; | |
603 | ||
604 | close(f->shadow_fd); | |
605 | f->shadow_fd = -1; | |
606 | num_closed++; | |
607 | } | |
608 | ||
609 | return num_closed; | |
610 | } | |
611 | ||
4d4e80f2 JA |
612 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
613 | { | |
66159828 | 614 | int is_std = 0; |
53cdc686 | 615 | int flags = 0; |
29c1349f | 616 | int from_hash = 0; |
53cdc686 | 617 | |
ee56ad50 JA |
618 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
619 | ||
66159828 JA |
620 | if (!strcmp(f->file_name, "-")) { |
621 | if (td_rw(td)) { | |
622 | log_err("fio: can't read/write to stdin/out\n"); | |
623 | return 1; | |
624 | } | |
625 | is_std = 1; | |
ce98fa66 JA |
626 | |
627 | /* | |
628 | * move output logging to stderr, if we are writing to stdout | |
629 | */ | |
630 | if (td_write(td)) | |
631 | f_out = stderr; | |
66159828 JA |
632 | } |
633 | ||
6eaf09d6 SL |
634 | if (td_trim(td)) |
635 | goto skip_flags; | |
2dc1bbeb | 636 | if (td->o.odirect) |
2fd233b7 | 637 | flags |= OS_O_DIRECT; |
d01612f3 CM |
638 | if (td->o.oatomic) { |
639 | if (!FIO_O_ATOMIC) { | |
640 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
641 | return 1; | |
642 | } | |
643 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
644 | } | |
2dc1bbeb | 645 | if (td->o.sync_io) |
2fd233b7 | 646 | flags |= O_SYNC; |
2378826d | 647 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 648 | flags |= O_CREAT; |
6eaf09d6 SL |
649 | skip_flags: |
650 | if (f->filetype != FIO_TYPE_FILE) | |
651 | flags |= FIO_O_NOATIME; | |
53cdc686 | 652 | |
056f3459 | 653 | open_again: |
660a1cb5 | 654 | if (td_write(td)) { |
17308158 JA |
655 | if (!read_only) |
656 | flags |= O_RDWR; | |
53cdc686 | 657 | |
2378826d | 658 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 659 | flags |= O_CREAT; |
2fd233b7 | 660 | |
66159828 JA |
661 | if (is_std) |
662 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
663 | else |
664 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 665 | } else if (td_read(td)) { |
4241ea8f | 666 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
667 | flags |= O_RDWR; |
668 | else | |
669 | flags |= O_RDONLY; | |
670 | ||
66159828 JA |
671 | if (is_std) |
672 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
673 | else |
674 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
675 | } else if (td_trim(td)) { |
676 | assert(!td_rw(td)); /* should have matched above */ | |
11ff4c37 VF |
677 | if (!read_only) |
678 | flags |= O_RDWR; | |
6eaf09d6 | 679 | from_hash = file_lookup_open(f, flags); |
53cdc686 JA |
680 | } |
681 | ||
682 | if (f->fd == -1) { | |
e4e33258 | 683 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
684 | int __e = errno; |
685 | ||
835d9b9e | 686 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 687 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
688 | goto open_again; |
689 | } | |
e6c4d732 JA |
690 | if (__e == EMFILE && file_close_shadow_fds(td)) |
691 | goto open_again; | |
056f3459 | 692 | |
98ffb8f3 | 693 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 694 | |
a93c5f04 JA |
695 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
696 | log_err("fio: looks like your file system does not " \ | |
697 | "support direct=1/buffered=0\n"); | |
698 | } | |
699 | ||
e4e33258 | 700 | td_verror(td, __e, buf); |
3ce3ad33 | 701 | return 1; |
53cdc686 JA |
702 | } |
703 | ||
29c1349f JA |
704 | if (!from_hash && f->fd != -1) { |
705 | if (add_file_hash(f)) { | |
3f0ca9b9 | 706 | int fio_unused ret; |
29c1349f JA |
707 | |
708 | /* | |
e6c4d732 JA |
709 | * Stash away descriptor for later close. This is to |
710 | * work-around a "feature" on Linux, where a close of | |
711 | * an fd that has been opened for write will trigger | |
712 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 713 | * That pollutes the device cache, which can slow down |
e6c4d732 | 714 | * unbuffered accesses. |
29c1349f | 715 | */ |
e6c4d732 JA |
716 | if (f->shadow_fd == -1) |
717 | f->shadow_fd = f->fd; | |
718 | else { | |
719 | /* | |
720 | * OK to ignore, we haven't done anything | |
721 | * with it | |
722 | */ | |
723 | ret = generic_close_file(td, f); | |
724 | } | |
29c1349f JA |
725 | goto open_again; |
726 | } | |
727 | } | |
4906e0b5 | 728 | |
53cdc686 | 729 | return 0; |
b5af8293 JA |
730 | } |
731 | ||
79591fa9 TK |
732 | /* |
733 | * This function i.e. get_file_size() is the default .get_file_size | |
734 | * implementation of majority of I/O engines. | |
735 | */ | |
df9c26b1 | 736 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 737 | { |
df9c26b1 | 738 | return get_file_size(td, f); |
21972cde JA |
739 | } |
740 | ||
7bb48f84 JA |
741 | /* |
742 | * open/close all files, so that ->real_file_size gets set | |
743 | */ | |
bab3fd58 | 744 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
745 | { |
746 | struct fio_file *f; | |
747 | unsigned int i; | |
bab3fd58 | 748 | int err = 0; |
7bb48f84 JA |
749 | |
750 | for_each_file(td, f, i) { | |
08c44a55 | 751 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 752 | f->file_name); |
9efef3c4 | 753 | |
99a47c69 | 754 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
755 | if (td->error != ENOENT) { |
756 | log_err("%s\n", td->verror); | |
757 | err = 1; | |
3ce3ad33 | 758 | break; |
40b44f4a | 759 | } |
541d66d7 | 760 | clear_error(td); |
07eb79df | 761 | } |
409b3417 | 762 | |
79591fa9 TK |
763 | /* |
764 | * There are corner cases where we end up with -1 for | |
765 | * ->real_file_size due to unsupported file type, etc. | |
766 | * We then just set to size option value divided by number | |
767 | * of files, similar to the way file ->io_size is set. | |
768 | * stat(2) failure doesn't set ->real_file_size to -1. | |
769 | */ | |
409b3417 JA |
770 | if (f->real_file_size == -1ULL && td->o.size) |
771 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 772 | } |
bab3fd58 JA |
773 | |
774 | return err; | |
7bb48f84 JA |
775 | } |
776 | ||
2e3bd4c2 JA |
777 | struct fio_mount { |
778 | struct flist_head list; | |
779 | const char *base; | |
780 | char __base[256]; | |
781 | unsigned int key; | |
782 | }; | |
783 | ||
784 | /* | |
785 | * Get free number of bytes for each file on each unique mount. | |
786 | */ | |
787 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
788 | { | |
789 | struct flist_head *n, *tmp; | |
68b0316f | 790 | unsigned long long ret = 0; |
2e3bd4c2 JA |
791 | struct fio_mount *fm; |
792 | FLIST_HEAD(list); | |
793 | struct fio_file *f; | |
794 | unsigned int i; | |
795 | ||
796 | for_each_file(td, f, i) { | |
797 | struct stat sb; | |
798 | char buf[256]; | |
799 | ||
686fbd31 | 800 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
801 | if (f->real_file_size != -1ULL) |
802 | ret += f->real_file_size; | |
68b0316f JA |
803 | continue; |
804 | } else if (f->filetype != FIO_TYPE_FILE) | |
805 | continue; | |
806 | ||
da27a4bf JA |
807 | buf[255] = '\0'; |
808 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
809 | |
810 | if (stat(buf, &sb) < 0) { | |
811 | if (errno != ENOENT) | |
812 | break; | |
813 | strcpy(buf, "."); | |
814 | if (stat(buf, &sb) < 0) | |
815 | break; | |
816 | } | |
817 | ||
818 | fm = NULL; | |
819 | flist_for_each(n, &list) { | |
820 | fm = flist_entry(n, struct fio_mount, list); | |
821 | if (fm->key == sb.st_dev) | |
822 | break; | |
823 | ||
824 | fm = NULL; | |
825 | } | |
826 | ||
827 | if (fm) | |
828 | continue; | |
829 | ||
3660ceae JA |
830 | fm = calloc(1, sizeof(*fm)); |
831 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
832 | fm->base = basename(fm->__base); |
833 | fm->key = sb.st_dev; | |
834 | flist_add(&fm->list, &list); | |
835 | } | |
836 | ||
2e3bd4c2 JA |
837 | flist_for_each_safe(n, tmp, &list) { |
838 | unsigned long long sz; | |
839 | ||
840 | fm = flist_entry(n, struct fio_mount, list); | |
841 | flist_del(&fm->list); | |
842 | ||
c08ad04c | 843 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
844 | if (sz && sz != -1ULL) |
845 | ret += sz; | |
846 | ||
847 | free(fm); | |
848 | } | |
849 | ||
850 | return ret; | |
851 | } | |
852 | ||
bedc9dc2 | 853 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 854 | { |
bedc9dc2 | 855 | struct thread_options *o = &td->o; |
872e0415 JA |
856 | unsigned long long align_bs; |
857 | unsigned long long offset; | |
bedc9dc2 JA |
858 | |
859 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
860 | return f->real_file_size; | |
861 | ||
89978a6b | 862 | if (o->start_offset_percent > 0) { |
872e0415 | 863 | /* |
83c8b093 | 864 | * if offset_align is provided, set initial offset |
872e0415 | 865 | */ |
83c8b093 JF |
866 | if (fio_option_is_set(o, start_offset_align)) { |
867 | align_bs = o->start_offset_align; | |
872e0415 JA |
868 | } else { |
869 | /* else take the minimum block size */ | |
89978a6b BW |
870 | align_bs = td_min_bs(td); |
871 | } | |
872 | ||
873 | /* calculate the raw offset */ | |
874 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
875 | (td->subjob_number * o->offset_increment); | |
876 | ||
872e0415 JA |
877 | /* |
878 | * block align the offset at the next available boundary at | |
879 | * ceiling(offset / align_bs) * align_bs | |
880 | */ | |
89978a6b BW |
881 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
882 | ||
872e0415 JA |
883 | } else { |
884 | /* start_offset_percent not set */ | |
f0d13935 JA |
885 | offset = o->start_offset + |
886 | td->subjob_number * o->offset_increment; | |
89978a6b | 887 | } |
872e0415 | 888 | |
89978a6b | 889 | return offset; |
ce95d651 DE |
890 | } |
891 | ||
7bb48f84 JA |
892 | /* |
893 | * Open the files and setup files sizes, creating files if necessary. | |
894 | */ | |
53cdc686 JA |
895 | int setup_files(struct thread_data *td) |
896 | { | |
7bb48f84 | 897 | unsigned long long total_size, extend_size; |
de98bd30 | 898 | struct thread_options *o = &td->o; |
53cdc686 | 899 | struct fio_file *f; |
002fe734 | 900 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 901 | int err = 0, need_extend; |
e90391eb | 902 | int old_state; |
5fff9543 | 903 | const unsigned long long bs = td_min_bs(td); |
002fe734 | 904 | uint64_t fs = 0; |
53cdc686 | 905 | |
ee56ad50 JA |
906 | dprint(FD_FILE, "setup files\n"); |
907 | ||
8edd973d | 908 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 909 | |
de98bd30 | 910 | if (o->read_iolog_file) |
25460cf6 | 911 | goto done; |
691c8fb0 | 912 | |
53cdc686 | 913 | /* |
79591fa9 TK |
914 | * Find out physical size of files or devices for this thread, |
915 | * before we determine I/O size and range of our targets. | |
916 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
917 | * opening the files and setting f->real_file_size to indicate |
918 | * the valid range for that file. | |
53cdc686 JA |
919 | */ |
920 | if (td->io_ops->setup) | |
7bb48f84 JA |
921 | err = td->io_ops->setup(td); |
922 | else | |
bab3fd58 | 923 | err = get_file_sizes(td); |
53cdc686 | 924 | |
f1027063 | 925 | if (err) |
e90391eb | 926 | goto err_out; |
f1027063 | 927 | |
0a7eb121 | 928 | /* |
7bb48f84 JA |
929 | * check sizes. if the files/devices do not exist and the size |
930 | * isn't passed to fio, abort. | |
0a7eb121 | 931 | */ |
7bb48f84 JA |
932 | total_size = 0; |
933 | for_each_file(td, f, i) { | |
49a416bd | 934 | f->fileno = i; |
7bb48f84 JA |
935 | if (f->real_file_size == -1ULL) |
936 | total_size = -1ULL; | |
937 | else | |
938 | total_size += f->real_file_size; | |
939 | } | |
0a7eb121 | 940 | |
de98bd30 | 941 | if (o->fill_device) |
2e3bd4c2 JA |
942 | td->fill_device_size = get_fs_free_counts(td); |
943 | ||
7bb48f84 JA |
944 | /* |
945 | * device/file sizes are zero and no size given, punt | |
946 | */ | |
de98bd30 | 947 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 948 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
949 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
950 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 951 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 952 | goto err_out; |
53cdc686 JA |
953 | } |
954 | ||
002fe734 JA |
955 | /* |
956 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 957 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 958 | */ |
d1e78e6b | 959 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
960 | uint64_t all_fs; |
961 | ||
962 | fs = o->size / o->nr_files; | |
963 | all_fs = fs * o->nr_files; | |
964 | ||
965 | if (all_fs < o->size) | |
966 | nr_fs_extra = (o->size - all_fs) / bs; | |
967 | } | |
968 | ||
7bb48f84 JA |
969 | /* |
970 | * now file sizes are known, so we can set ->io_size. if size= is | |
971 | * not given, ->io_size is just equal to ->real_file_size. if size | |
972 | * is given, ->io_size is size / nr_files. | |
973 | */ | |
974 | extend_size = total_size = 0; | |
975 | need_extend = 0; | |
976 | for_each_file(td, f, i) { | |
bedc9dc2 | 977 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 978 | |
79591fa9 TK |
979 | /* |
980 | * Update ->io_size depending on options specified. | |
981 | * ->file_size_low being 0 means filesize option isn't set. | |
982 | * Non zero ->file_size_low equals ->file_size_high means | |
983 | * filesize option is set in a fixed size format. | |
984 | * Non zero ->file_size_low not equals ->file_size_high means | |
985 | * filesize option is set in a range format. | |
986 | */ | |
de98bd30 | 987 | if (!o->file_size_low) { |
7bb48f84 | 988 | /* |
79591fa9 | 989 | * no file size or range given, file size is equal to |
c4aa2d08 | 990 | * total size divided by number of files. If the size |
002fe734 JA |
991 | * doesn't divide nicely with the min blocksize, |
992 | * make the first files bigger. | |
7bb48f84 | 993 | */ |
002fe734 JA |
994 | f->io_size = fs; |
995 | if (nr_fs_extra) { | |
996 | nr_fs_extra--; | |
997 | f->io_size += bs; | |
998 | } | |
999 | ||
c4aa2d08 | 1000 | /* |
c6dfd837 TK |
1001 | * We normally don't come here for regular files, but |
1002 | * if the result is 0 for a regular file, set it to the | |
1003 | * real file size. This could be size of the existing | |
1004 | * one if it already exists, but otherwise will be set | |
1005 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
1006 | * ->io_size + ->file_offset equals ->real_file_size. |
1007 | */ | |
1008 | if (!f->io_size) { | |
1009 | if (f->file_offset > f->real_file_size) | |
1010 | goto err_offset; | |
273f8c91 | 1011 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
1012 | if (!f->io_size) |
1013 | log_info("fio: file %s may be ignored\n", | |
1014 | f->file_name); | |
1015 | } | |
de98bd30 JA |
1016 | } else if (f->real_file_size < o->file_size_low || |
1017 | f->real_file_size > o->file_size_high) { | |
1018 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1019 | goto err_offset; |
7bb48f84 JA |
1020 | /* |
1021 | * file size given. if it's fixed, use that. if it's a | |
1022 | * range, generate a random size in-between. | |
1023 | */ | |
de98bd30 JA |
1024 | if (o->file_size_low == o->file_size_high) |
1025 | f->io_size = o->file_size_low - f->file_offset; | |
1026 | else { | |
5ec10eaa JA |
1027 | f->io_size = get_rand_file_size(td) |
1028 | - f->file_offset; | |
1029 | } | |
65bdb10a | 1030 | } else |
bcdedd0a | 1031 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1032 | |
7bb48f84 JA |
1033 | if (f->io_size == -1ULL) |
1034 | total_size = -1ULL; | |
4d002569 | 1035 | else { |
408874da | 1036 | if (o->size_percent && o->size_percent != 100) { |
76e4bb4f SW |
1037 | uint64_t file_size; |
1038 | ||
1039 | file_size = f->io_size + f->file_offset; | |
1040 | f->io_size = (file_size * | |
1041 | o->size_percent) / 100; | |
1042 | if (f->io_size > (file_size - f->file_offset)) | |
1043 | f->io_size = file_size - f->file_offset; | |
1044 | ||
e391c704 JA |
1045 | f->io_size -= (f->io_size % td_min_bs(td)); |
1046 | } | |
7bb48f84 | 1047 | total_size += f->io_size; |
4d002569 | 1048 | } |
7bb48f84 JA |
1049 | |
1050 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 1051 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 1052 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
1053 | if (!o->create_on_open) { |
1054 | need_extend++; | |
814452bd | 1055 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1056 | fio_file_set_extend(f); |
5fd31680 | 1057 | } else |
814452bd | 1058 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1059 | } |
7bb48f84 | 1060 | } |
53cdc686 | 1061 | |
66347cfa DE |
1062 | if (td->o.block_error_hist) { |
1063 | int len; | |
1064 | ||
1065 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1066 | f = td->files[0]; | |
1067 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1068 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1069 | log_err("fio: cannot calculate block histogram with " | |
1070 | "%d trim blocks, maximum %d\n", | |
1071 | len, MAX_NR_BLOCK_INFOS); | |
1072 | td_verror(td, EINVAL, "block_error_hist"); | |
1073 | goto err_out; | |
1074 | } | |
1075 | ||
1076 | td->ts.nr_block_infos = len; | |
8a68c41c | 1077 | for (i = 0; i < len; i++) |
66347cfa DE |
1078 | td->ts.block_infos[i] = |
1079 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1080 | } else | |
1081 | td->ts.nr_block_infos = 0; | |
1082 | ||
0bc27b0b | 1083 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1084 | o->size = total_size; |
21972cde | 1085 | |
d1faa06d JA |
1086 | if (o->size < td_min_bs(td)) { |
1087 | log_err("fio: blocksize too large for data set\n"); | |
1088 | goto err_out; | |
1089 | } | |
1090 | ||
7bb48f84 | 1091 | /* |
79591fa9 TK |
1092 | * See if we need to extend some files, typically needed when our |
1093 | * target regular files don't exist yet, but our jobs require them | |
1094 | * initially due to read I/Os. | |
7bb48f84 JA |
1095 | */ |
1096 | if (need_extend) { | |
1097 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1098 | if (output_format & FIO_OUTPUT_NORMAL) { |
1099 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1100 | o->name, | |
1101 | need_extend > 1 ? "s" : "", | |
1102 | need_extend, | |
1103 | need_extend > 1 ? "s" : "", | |
1104 | need_extend > 1 ? "total " : "", | |
1105 | extend_size >> 20); | |
1106 | } | |
7bb48f84 JA |
1107 | |
1108 | for_each_file(td, f, i) { | |
5e0074c2 | 1109 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1110 | |
d6aed795 | 1111 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1112 | continue; |
1113 | ||
409b3417 | 1114 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1115 | fio_file_clear_extend(f); |
de98bd30 | 1116 | if (!o->fill_device) { |
5e0074c2 | 1117 | old_len = f->real_file_size; |
0b9d69ec JA |
1118 | extend_len = f->io_size + f->file_offset - |
1119 | old_len; | |
5e0074c2 | 1120 | } |
bcdedd0a | 1121 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1122 | err = extend_file(td, f); |
1123 | if (err) | |
3baddf24 | 1124 | break; |
5e0074c2 | 1125 | |
3baddf24 JA |
1126 | err = __file_invalidate_cache(td, f, old_len, |
1127 | extend_len); | |
9824f73b JA |
1128 | |
1129 | /* | |
1130 | * Shut up static checker | |
1131 | */ | |
1132 | if (f->fd != -1) | |
1133 | close(f->fd); | |
1134 | ||
3baddf24 JA |
1135 | f->fd = -1; |
1136 | if (err) | |
7bb48f84 JA |
1137 | break; |
1138 | } | |
1139 | temp_stall_ts = 0; | |
1140 | } | |
1141 | ||
1142 | if (err) | |
e90391eb | 1143 | goto err_out; |
7bb48f84 | 1144 | |
de98bd30 JA |
1145 | if (!o->zone_size) |
1146 | o->zone_size = o->size; | |
7bb48f84 | 1147 | |
ea966f81 JA |
1148 | /* |
1149 | * iolog already set the total io size, if we read back | |
1150 | * stored entries. | |
1151 | */ | |
77731b29 | 1152 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1153 | if (o->io_size) |
1154 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1155 | else |
1156 | td->total_io_size = o->size * o->loops; | |
1157 | } | |
25460cf6 JA |
1158 | |
1159 | done: | |
de98bd30 | 1160 | if (o->create_only) |
25460cf6 JA |
1161 | td->done = 1; |
1162 | ||
8edd973d | 1163 | td_restore_runstate(td, old_state); |
7bb48f84 | 1164 | return 0; |
bcdedd0a | 1165 | err_offset: |
de98bd30 | 1166 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1167 | err_out: |
8edd973d | 1168 | td_restore_runstate(td, old_state); |
bcdedd0a | 1169 | return 1; |
53cdc686 JA |
1170 | } |
1171 | ||
c139f3b4 | 1172 | bool pre_read_files(struct thread_data *td) |
afad68f7 ZY |
1173 | { |
1174 | struct fio_file *f; | |
1175 | unsigned int i; | |
1176 | ||
1177 | dprint(FD_FILE, "pre_read files\n"); | |
1178 | ||
1179 | for_each_file(td, f, i) { | |
c139f3b4 JA |
1180 | if (!pre_read_file(td, f)) |
1181 | return false; | |
afad68f7 ZY |
1182 | } |
1183 | ||
c139f3b4 | 1184 | return true; |
afad68f7 ZY |
1185 | } |
1186 | ||
3a03f0cf | 1187 | static void __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
9c6f6316 | 1188 | { |
2316296a | 1189 | unsigned int range_size, seed; |
9c6f6316 | 1190 | unsigned long nranges; |
42da5c8b | 1191 | uint64_t fsize; |
9c6f6316 JA |
1192 | |
1193 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1194 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1195 | |
42da5c8b | 1196 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1197 | |
2316296a | 1198 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1199 | if (!td->o.rand_repeatable) |
1200 | seed = td->rand_seeds[4]; | |
1201 | ||
9c6f6316 | 1202 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1203 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1204 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1205 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1206 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1207 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1208 | } |
1209 | ||
4d832322 | 1210 | static bool init_rand_distribution(struct thread_data *td) |
9c6f6316 JA |
1211 | { |
1212 | struct fio_file *f; | |
1213 | unsigned int i; | |
1214 | int state; | |
1215 | ||
1216 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
4d832322 | 1217 | return false; |
9c6f6316 | 1218 | |
8edd973d JA |
1219 | state = td_bump_runstate(td, TD_SETTING_UP); |
1220 | ||
9c6f6316 JA |
1221 | for_each_file(td, f, i) |
1222 | __init_rand_distribution(td, f); | |
8edd973d JA |
1223 | |
1224 | td_restore_runstate(td, state); | |
4d832322 | 1225 | return true; |
9c6f6316 JA |
1226 | } |
1227 | ||
75f90d5f JA |
1228 | /* |
1229 | * Check if the number of blocks exceeds the randomness capability of | |
1230 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1231 | * 64-bit capable. | |
1232 | */ | |
1233 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1234 | uint64_t blocks) | |
1235 | { | |
1236 | if (blocks <= FRAND32_MAX) | |
1237 | return 0; | |
1238 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1239 | return 0; | |
1240 | ||
1241 | /* | |
1242 | * If the user hasn't specified a random generator, switch | |
1243 | * to tausworthe64 with informational warning. If the user did | |
1244 | * specify one, just warn. | |
1245 | */ | |
1246 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1247 | f->file_name); | |
1248 | ||
1249 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1250 | log_info("fio: Switching to tausworthe64. Use the " | |
1251 | "random_generator= option to get rid of this " | |
4e795a3e | 1252 | "warning.\n"); |
75f90d5f JA |
1253 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1254 | return 0; | |
1255 | } | |
1256 | ||
1257 | /* | |
1258 | * Just make this information to avoid breaking scripts. | |
1259 | */ | |
1260 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1261 | "tausworthe64.\n"); | |
1262 | return 0; | |
1263 | } | |
1264 | ||
4d832322 | 1265 | bool init_random_map(struct thread_data *td) |
68727076 | 1266 | { |
51ede0b1 | 1267 | unsigned long long blocks; |
68727076 JA |
1268 | struct fio_file *f; |
1269 | unsigned int i; | |
1270 | ||
9c6f6316 | 1271 | if (init_rand_distribution(td)) |
4d832322 | 1272 | return true; |
3831a843 | 1273 | if (!td_random(td)) |
4d832322 | 1274 | return true; |
68727076 JA |
1275 | |
1276 | for_each_file(td, f, i) { | |
42da5c8b | 1277 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1278 | |
42da5c8b | 1279 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1280 | |
75f90d5f | 1281 | if (check_rand_gen_limits(td, f, blocks)) |
4d832322 | 1282 | return false; |
37fbd7e9 | 1283 | |
8055e41d | 1284 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1285 | unsigned long seed; |
1286 | ||
1287 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1288 | |
967d1b63 JA |
1289 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1290 | fio_file_set_lfsr(f); | |
8055e41d | 1291 | continue; |
967d1b63 | 1292 | } |
3831a843 | 1293 | } else if (!td->o.norandommap) { |
7ebd796f | 1294 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1295 | if (f->io_axmap) { |
1296 | fio_file_set_axmap(f); | |
8055e41d | 1297 | continue; |
967d1b63 | 1298 | } |
1cad7121 JA |
1299 | } else if (td->o.norandommap) |
1300 | continue; | |
ceadd59e | 1301 | |
2b386d25 | 1302 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1303 | log_err("fio: failed allocating random map. If running" |
1304 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1305 | " option or set 'softrandommap'. Or give" |
1306 | " a larger --alloc-size to fio.\n"); | |
4d832322 | 1307 | return false; |
68727076 | 1308 | } |
303032ae JA |
1309 | |
1310 | log_info("fio: file %s failed allocating random map. Running " | |
1311 | "job without.\n", f->file_name); | |
68727076 JA |
1312 | } |
1313 | ||
4d832322 | 1314 | return true; |
68727076 JA |
1315 | } |
1316 | ||
53cdc686 JA |
1317 | void close_files(struct thread_data *td) |
1318 | { | |
0ab8db89 | 1319 | struct fio_file *f; |
af52b345 | 1320 | unsigned int i; |
53cdc686 | 1321 | |
2be3eec3 JA |
1322 | for_each_file(td, f, i) { |
1323 | if (fio_file_open(f)) | |
1324 | td_io_close_file(td, f); | |
1325 | } | |
24ffd2c2 JA |
1326 | } |
1327 | ||
1328 | void close_and_free_files(struct thread_data *td) | |
1329 | { | |
1330 | struct fio_file *f; | |
1331 | unsigned int i; | |
cb9bf647 | 1332 | bool use_free = td_ioengine_flagged(td, FIO_NOFILEHASH); |
24ffd2c2 | 1333 | |
ee56ad50 JA |
1334 | dprint(FD_FILE, "close files\n"); |
1335 | ||
0ab8db89 | 1336 | for_each_file(td, f, i) { |
38ef9c90 CF |
1337 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1338 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1339 | td_io_unlink_file(td, f); | |
1340 | } | |
1341 | ||
22a57ba8 JA |
1342 | if (fio_file_open(f)) |
1343 | td_io_close_file(td, f); | |
1344 | ||
b9fbcf21 | 1345 | remove_file_hash(f); |
b3dc7f07 | 1346 | |
b5f4d8ba JA |
1347 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1348 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1349 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1350 | } |
1351 | ||
cb9bf647 JB |
1352 | if (use_free) |
1353 | free(f->file_name); | |
1354 | else | |
1355 | sfree(f->file_name); | |
fa1da865 | 1356 | f->file_name = NULL; |
967d1b63 JA |
1357 | if (fio_file_axmap(f)) { |
1358 | axmap_free(f->io_axmap); | |
1359 | f->io_axmap = NULL; | |
1360 | } | |
cb9bf647 JB |
1361 | if (use_free) |
1362 | free(f); | |
1363 | else | |
1364 | sfree(f); | |
53cdc686 | 1365 | } |
b4a6a59a | 1366 | |
2dc1bbeb | 1367 | td->o.filename = NULL; |
cade3ef4 | 1368 | free(td->files); |
d7df1d13 | 1369 | free(td->file_locks); |
9efef3c4 | 1370 | td->files_index = 0; |
b4a6a59a | 1371 | td->files = NULL; |
d7df1d13 | 1372 | td->file_locks = NULL; |
27ddbfa0 | 1373 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1374 | td->o.nr_files = 0; |
53cdc686 | 1375 | } |
af52b345 | 1376 | |
e3bab463 | 1377 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1378 | { |
1379 | struct stat sb; | |
1380 | ||
66159828 JA |
1381 | if (!strcmp(f->file_name, "-")) |
1382 | f->filetype = FIO_TYPE_PIPE; | |
1383 | else | |
1384 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1385 | |
d5b78f5a | 1386 | #ifdef WIN32 |
3892182a BC |
1387 | /* \\.\ is the device namespace in Windows, where every file is |
1388 | * a block device */ | |
1389 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1390 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1391 | #endif |
3892182a | 1392 | |
b30d395e | 1393 | if (!stat(f->file_name, &sb)) { |
3892182a | 1394 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1395 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1396 | else if (S_ISCHR(sb.st_mode)) |
1397 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1398 | else if (S_ISFIFO(sb.st_mode)) |
1399 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1400 | } |
1401 | } | |
1402 | ||
1b2a83dc | 1403 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1404 | { |
90426237 | 1405 | struct flist_head *entry; |
1b2a83dc | 1406 | bool ret; |
bcbfeefa | 1407 | |
1b2a83dc JA |
1408 | ret = file_bloom_exists(fname, set); |
1409 | if (!ret) | |
1410 | return ret; | |
90426237 JA |
1411 | |
1412 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1413 | struct file_name *fn; |
90426237 | 1414 | |
04d6530f JA |
1415 | fn = flist_entry(entry, struct file_name, list); |
1416 | ||
1417 | if (!strcmp(fn->filename, fname)) | |
1418 | return true; | |
90426237 JA |
1419 | } |
1420 | ||
04d6530f | 1421 | return false; |
bcbfeefa CE |
1422 | } |
1423 | ||
04d6530f | 1424 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1425 | { |
04d6530f | 1426 | bool ret; |
bcbfeefa | 1427 | |
90426237 | 1428 | fio_file_hash_lock(); |
1b2a83dc | 1429 | ret = __is_already_allocated(fname, false); |
90426237 | 1430 | fio_file_hash_unlock(); |
04d6530f | 1431 | |
90426237 JA |
1432 | return ret; |
1433 | } | |
bcbfeefa | 1434 | |
90426237 JA |
1435 | static void set_already_allocated(const char *fname) |
1436 | { | |
1437 | struct file_name *fn; | |
1438 | ||
1439 | fn = malloc(sizeof(struct file_name)); | |
1440 | fn->filename = strdup(fname); | |
1441 | ||
1442 | fio_file_hash_lock(); | |
1b2a83dc | 1443 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1444 | flist_add_tail(&fn->list, &filename_list); |
1445 | fn = NULL; | |
bcbfeefa | 1446 | } |
90426237 | 1447 | fio_file_hash_unlock(); |
bcbfeefa | 1448 | |
90426237 JA |
1449 | if (fn) { |
1450 | free(fn->filename); | |
1451 | free(fn); | |
1452 | } | |
bcbfeefa CE |
1453 | } |
1454 | ||
190b8f0c CF |
1455 | static void free_already_allocated(void) |
1456 | { | |
bcbfeefa CE |
1457 | struct flist_head *entry, *tmp; |
1458 | struct file_name *fn; | |
1459 | ||
90426237 JA |
1460 | if (flist_empty(&filename_list)) |
1461 | return; | |
1462 | ||
1463 | fio_file_hash_lock(); | |
1464 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1465 | fn = flist_entry(entry, struct file_name, list); | |
1466 | free(fn->filename); | |
1467 | flist_del(&fn->list); | |
1468 | free(fn); | |
bcbfeefa | 1469 | } |
90426237 JA |
1470 | |
1471 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1472 | } |
1473 | ||
7b5cb700 JA |
1474 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1475 | { | |
1476 | struct fio_file *f; | |
1477 | ||
cb9bf647 JB |
1478 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1479 | f = calloc(1, sizeof(*f)); | |
1480 | else | |
e0b3258b | 1481 | f = scalloc(1, sizeof(*f)); |
7b5cb700 | 1482 | if (!f) { |
7b5cb700 JA |
1483 | assert(0); |
1484 | return NULL; | |
1485 | } | |
1486 | ||
1487 | f->fd = -1; | |
1488 | f->shadow_fd = -1; | |
1489 | fio_file_reset(td, f); | |
1490 | return f; | |
1491 | } | |
1492 | ||
04d6530f JA |
1493 | bool exists_and_not_regfile(const char *filename) |
1494 | { | |
1495 | struct stat sb; | |
1496 | ||
1497 | if (lstat(filename, &sb) == -1) | |
1498 | return false; | |
1499 | ||
1500 | #ifndef WIN32 /* NOT Windows */ | |
1501 | if (S_ISREG(sb.st_mode)) | |
1502 | return false; | |
1503 | #else | |
1504 | /* \\.\ is the device namespace in Windows, where every file | |
1505 | * is a device node */ | |
1506 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1507 | return false; | |
1508 | #endif | |
1509 | ||
1510 | return true; | |
1511 | } | |
1512 | ||
0a93fb3e | 1513 | static bool create_work_dirs(struct thread_data *td, const char *fname) |
f1c71016 JB |
1514 | { |
1515 | char path[PATH_MAX]; | |
1516 | char *start, *end; | |
f1c71016 JB |
1517 | |
1518 | if (td->o.directory) { | |
0b801f22 JB |
1519 | snprintf(path, PATH_MAX, "%s%c%s", td->o.directory, |
1520 | FIO_OS_PATH_SEPARATOR, fname); | |
1521 | start = strstr(path, fname); | |
f1c71016 | 1522 | } else { |
0b801f22 JB |
1523 | snprintf(path, PATH_MAX, "%s", fname); |
1524 | start = path; | |
f1c71016 JB |
1525 | } |
1526 | ||
0b801f22 | 1527 | end = start; |
f1c71016 JB |
1528 | while ((end = strchr(end, FIO_OS_PATH_SEPARATOR)) != NULL) { |
1529 | if (end == start) | |
1530 | break; | |
1531 | *end = '\0'; | |
1532 | errno = 0; | |
4252396e | 1533 | #ifdef CONFIG_HAVE_MKDIR_TWO |
0b801f22 | 1534 | if (mkdir(path, 0600) && errno != EEXIST) { |
4252396e JA |
1535 | #else |
1536 | if (mkdir(path) && errno != EEXIST) { | |
1537 | #endif | |
f1c71016 JB |
1538 | log_err("fio: failed to create dir (%s): %d\n", |
1539 | start, errno); | |
0a93fb3e | 1540 | return false; |
f1c71016 JB |
1541 | } |
1542 | *end = FIO_OS_PATH_SEPARATOR; | |
1543 | end++; | |
1544 | } | |
f1c71016 | 1545 | td->flags |= TD_F_DIRS_CREATED; |
0a93fb3e | 1546 | return true; |
f1c71016 JB |
1547 | } |
1548 | ||
5903e7b7 | 1549 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1550 | { |
7b4e4fe5 | 1551 | int cur_files = td->files_index; |
bd0ee748 | 1552 | char file_name[PATH_MAX]; |
af52b345 | 1553 | struct fio_file *f; |
bd0ee748 | 1554 | int len = 0; |
af52b345 | 1555 | |
ee56ad50 JA |
1556 | dprint(FD_FILE, "add file %s\n", fname); |
1557 | ||
bcbfeefa | 1558 | if (td->o.directory) |
922a5be8 JA |
1559 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1560 | td->o.unique_filename); | |
bcbfeefa CE |
1561 | |
1562 | sprintf(file_name + len, "%s", fname); | |
1563 | ||
f1c71016 | 1564 | if (strchr(fname, FIO_OS_PATH_SEPARATOR) && |
0b801f22 | 1565 | !(td->flags & TD_F_DIRS_CREATED) && |
0a93fb3e | 1566 | !create_work_dirs(td, fname)) |
0b801f22 | 1567 | return 1; |
f1c71016 | 1568 | |
bcbfeefa | 1569 | /* clean cloned siblings using existing files */ |
04d6530f JA |
1570 | if (numjob && is_already_allocated(file_name) && |
1571 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1572 | return 0; |
1573 | ||
7b5cb700 | 1574 | f = alloc_new_file(td); |
bd0ee748 | 1575 | |
fc99bc0d | 1576 | if (td->files_size <= td->files_index) { |
1983e327 | 1577 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1578 | |
fc99bc0d JA |
1579 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1580 | ||
1581 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1582 | if (td->files == NULL) { |
1583 | log_err("fio: realloc OOM\n"); | |
1584 | assert(0); | |
1585 | } | |
d7df1d13 JA |
1586 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1587 | td->file_locks = realloc(td->file_locks, new_size); | |
1588 | if (!td->file_locks) { | |
1589 | log_err("fio: realloc OOM\n"); | |
1590 | assert(0); | |
1591 | } | |
1592 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1593 | } | |
fc99bc0d JA |
1594 | td->files_size = new_size; |
1595 | } | |
8bb7679e | 1596 | td->files[cur_files] = f; |
89ac1d48 | 1597 | f->fileno = cur_files; |
126d65c6 | 1598 | |
07eb79df JA |
1599 | /* |
1600 | * init function, io engine may not be loaded yet | |
1601 | */ | |
9b87f09b | 1602 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1603 | f->real_file_size = -1ULL; |
1604 | ||
cb9bf647 JB |
1605 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1606 | f->file_name = strdup(file_name); | |
1607 | else | |
1608 | f->file_name = smalloc_strdup(file_name); | |
b2e6494c JA |
1609 | |
1610 | /* can't handle smalloc failure from here */ | |
1611 | assert(f->file_name); | |
0b9d69ec | 1612 | |
e3bab463 | 1613 | get_file_type(f); |
af52b345 | 1614 | |
4d4e80f2 JA |
1615 | switch (td->o.file_lock_mode) { |
1616 | case FILE_LOCK_NONE: | |
1617 | break; | |
1618 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1619 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1620 | break; |
1621 | case FILE_LOCK_EXCLUSIVE: | |
971caeb1 | 1622 | f->lock = fio_sem_init(FIO_SEM_UNLOCKED); |
4d4e80f2 JA |
1623 | break; |
1624 | default: | |
1625 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1626 | assert(0); | |
1627 | } | |
29c1349f | 1628 | |
7b4e4fe5 | 1629 | td->files_index++; |
f29b25a3 | 1630 | |
084a5475 JA |
1631 | if (td->o.numjobs > 1) |
1632 | set_already_allocated(file_name); | |
bcbfeefa | 1633 | |
5903e7b7 JA |
1634 | if (inc) |
1635 | td->o.nr_files++; | |
1636 | ||
5ec10eaa JA |
1637 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1638 | cur_files); | |
9efef3c4 | 1639 | |
f29b25a3 | 1640 | return cur_files; |
af52b345 | 1641 | } |
0ad920e7 | 1642 | |
49ffb4a2 JA |
1643 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1644 | { | |
1645 | struct fio_file *f; | |
1646 | unsigned int i; | |
1647 | ||
1648 | for_each_file(td, f, i) { | |
1649 | if (!strcmp(f->file_name, fname)) | |
1650 | return i; | |
1651 | } | |
1652 | ||
5903e7b7 | 1653 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1654 | } |
1655 | ||
0ad920e7 JA |
1656 | void get_file(struct fio_file *f) |
1657 | { | |
8172fe97 | 1658 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1659 | assert(fio_file_open(f)); |
0ad920e7 JA |
1660 | f->references++; |
1661 | } | |
1662 | ||
6977bcd0 | 1663 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1664 | { |
98e1ac4e | 1665 | int f_ret = 0, ret = 0; |
6977bcd0 | 1666 | |
8172fe97 | 1667 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1668 | |
22a57ba8 JA |
1669 | if (!fio_file_open(f)) { |
1670 | assert(f->fd == -1); | |
6977bcd0 | 1671 | return 0; |
22a57ba8 | 1672 | } |
0ad920e7 JA |
1673 | |
1674 | assert(f->references); | |
1675 | if (--f->references) | |
6977bcd0 | 1676 | return 0; |
0ad920e7 | 1677 | |
230f33fb AK |
1678 | disk_util_dec(f->du); |
1679 | ||
1680 | if (td->o.file_lock_mode != FILE_LOCK_NONE) | |
1681 | unlock_file_all(td, f); | |
1682 | ||
71b84caa | 1683 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1684 | f_ret = fsync(f->fd); |
71b84caa JA |
1685 | if (f_ret < 0) |
1686 | f_ret = errno; | |
1687 | } | |
ebb1415f | 1688 | |
0ad920e7 | 1689 | if (td->io_ops->close_file) |
6977bcd0 | 1690 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1691 | |
98e1ac4e | 1692 | if (!ret) |
a5fb461f | 1693 | ret = f_ret; |
98e1ac4e | 1694 | |
0ad920e7 | 1695 | td->nr_open_files--; |
230f33fb | 1696 | fio_file_clear_closing(f); |
d6aed795 | 1697 | fio_file_clear_open(f); |
22a57ba8 | 1698 | assert(f->fd == -1); |
6977bcd0 | 1699 | return ret; |
0ad920e7 | 1700 | } |
bbf6b540 | 1701 | |
4d4e80f2 | 1702 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1703 | { |
4d4e80f2 JA |
1704 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1705 | return; | |
29c1349f | 1706 | |
4d4e80f2 JA |
1707 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1708 | if (ddir == DDIR_READ) | |
d7df1d13 | 1709 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1710 | else |
d7df1d13 | 1711 | fio_rwlock_write(f->rwlock); |
4d4e80f2 | 1712 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
971caeb1 | 1713 | fio_sem_down(f->lock); |
4d4e80f2 | 1714 | |
d7df1d13 | 1715 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1716 | } |
1717 | ||
4d4e80f2 | 1718 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1719 | { |
4d4e80f2 JA |
1720 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1721 | return; | |
4d4e80f2 | 1722 | |
d7df1d13 JA |
1723 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1724 | fio_rwlock_unlock(f->rwlock); | |
1725 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
971caeb1 | 1726 | fio_sem_up(f->lock); |
d7df1d13 JA |
1727 | |
1728 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1729 | } |
1730 | ||
4d4e80f2 JA |
1731 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1732 | { | |
f2a2803a | 1733 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1734 | return; |
d7df1d13 JA |
1735 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1736 | unlock_file(td, f); | |
4d4e80f2 JA |
1737 | } |
1738 | ||
13bddad9 | 1739 | static bool recurse_dir(struct thread_data *td, const char *dirname) |
bbf6b540 JA |
1740 | { |
1741 | struct dirent *dir; | |
13bddad9 | 1742 | bool ret = false; |
bbf6b540 JA |
1743 | DIR *D; |
1744 | ||
1745 | D = opendir(dirname); | |
1746 | if (!D) { | |
0ddb270c JA |
1747 | char buf[FIO_VERROR_SIZE]; |
1748 | ||
98ffb8f3 | 1749 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1750 | td_verror(td, errno, buf); |
13bddad9 | 1751 | return true; |
bbf6b540 JA |
1752 | } |
1753 | ||
1754 | while ((dir = readdir(D)) != NULL) { | |
1755 | char full_path[PATH_MAX]; | |
1756 | struct stat sb; | |
1757 | ||
e85b2b83 JA |
1758 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1759 | continue; | |
96d32d51 | 1760 | |
53a7af85 | 1761 | sprintf(full_path, "%s%c%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1762 | |
1763 | if (lstat(full_path, &sb) == -1) { | |
1764 | if (errno != ENOENT) { | |
1765 | td_verror(td, errno, "stat"); | |
13bddad9 | 1766 | ret = true; |
68ace9e0 | 1767 | break; |
bbf6b540 JA |
1768 | } |
1769 | } | |
1770 | ||
1771 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1772 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1773 | continue; |
1774 | } | |
0ddb270c JA |
1775 | if (!S_ISDIR(sb.st_mode)) |
1776 | continue; | |
bbf6b540 | 1777 | |
5ec10eaa JA |
1778 | ret = recurse_dir(td, full_path); |
1779 | if (ret) | |
bbf6b540 JA |
1780 | break; |
1781 | } | |
1782 | ||
1783 | closedir(D); | |
1784 | return ret; | |
1785 | } | |
1786 | ||
1787 | int add_dir_files(struct thread_data *td, const char *path) | |
1788 | { | |
0ddb270c JA |
1789 | int ret = recurse_dir(td, path); |
1790 | ||
1791 | if (!ret) | |
1792 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1793 | ||
1794 | return ret; | |
bbf6b540 | 1795 | } |
cade3ef4 JA |
1796 | |
1797 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1798 | { | |
1799 | struct fio_file *f; | |
1800 | unsigned int i; | |
9efef3c4 JA |
1801 | |
1802 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1803 | |
1804 | if (!org->files) | |
1805 | return; | |
1806 | ||
9efef3c4 | 1807 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1808 | |
d7df1d13 JA |
1809 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1810 | td->file_locks = malloc(org->files_index); | |
1811 | ||
9efef3c4 | 1812 | for_each_file(org, f, i) { |
b0fe421a JA |
1813 | struct fio_file *__f; |
1814 | ||
7b5cb700 | 1815 | __f = alloc_new_file(td); |
0b9d69ec | 1816 | |
bc3456fa | 1817 | if (f->file_name) { |
cb9bf647 JB |
1818 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1819 | __f->file_name = strdup(f->file_name); | |
1820 | else | |
1821 | __f->file_name = smalloc_strdup(f->file_name); | |
0b9d69ec | 1822 | |
b2e6494c JA |
1823 | /* can't handle smalloc failure from here */ |
1824 | assert(__f->file_name); | |
bc3456fa AC |
1825 | __f->filetype = f->filetype; |
1826 | } | |
b0fe421a | 1827 | |
67ad9242 JA |
1828 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1829 | __f->lock = f->lock; | |
1830 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1831 | __f->rwlock = f->rwlock; | |
1832 | ||
b0fe421a | 1833 | td->files[i] = __f; |
cade3ef4 JA |
1834 | } |
1835 | } | |
f29b25a3 JA |
1836 | |
1837 | /* | |
1838 | * Returns the index that matches the filename, or -1 if not there | |
1839 | */ | |
1840 | int get_fileno(struct thread_data *td, const char *fname) | |
1841 | { | |
1842 | struct fio_file *f; | |
1843 | unsigned int i; | |
1844 | ||
1845 | for_each_file(td, f, i) | |
1846 | if (!strcmp(f->file_name, fname)) | |
1847 | return i; | |
1848 | ||
1849 | return -1; | |
1850 | } | |
1851 | ||
1852 | /* | |
1853 | * For log usage, where we add/open/close files automatically | |
1854 | */ | |
1855 | void free_release_files(struct thread_data *td) | |
1856 | { | |
1857 | close_files(td); | |
66ee4002 JA |
1858 | td->o.nr_files = 0; |
1859 | td->o.open_files = 0; | |
f29b25a3 | 1860 | td->files_index = 0; |
f29b25a3 | 1861 | } |
33c48814 JA |
1862 | |
1863 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1864 | { | |
f1dfb668 JA |
1865 | int i; |
1866 | ||
1867 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1868 | f->last_pos[i] = f->file_offset; | |
1869 | f->last_start[i] = -1ULL; | |
1870 | } | |
1871 | ||
967d1b63 | 1872 | if (fio_file_axmap(f)) |
33c48814 | 1873 | axmap_reset(f->io_axmap); |
967d1b63 | 1874 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1875 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1876 | } | |
002fe734 | 1877 | |
747b3105 | 1878 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1879 | { |
1880 | struct fio_file *f; | |
1881 | unsigned int i; | |
1882 | ||
1883 | for_each_file(td, f, i) | |
1884 | if (!fio_file_done(f)) | |
747b3105 | 1885 | return false; |
002fe734 | 1886 | |
747b3105 | 1887 | return true; |
002fe734 | 1888 | } |
bcbfeefa CE |
1889 | |
1890 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1891 | void filesetup_mem_free(void) |
1892 | { | |
bcbfeefa CE |
1893 | free_already_allocated(); |
1894 | } | |
47534cda TK |
1895 | |
1896 | /* | |
1897 | * This function is for platforms which support direct I/O but not O_DIRECT. | |
1898 | */ | |
1899 | int fio_set_directio(struct thread_data *td, struct fio_file *f) | |
1900 | { | |
1901 | #ifdef FIO_OS_DIRECTIO | |
2905de74 | 1902 | int ret = fio_set_odirect(f); |
47534cda TK |
1903 | |
1904 | if (ret) { | |
1905 | td_verror(td, ret, "fio_set_directio"); | |
1906 | #if defined(__sun__) | |
1907 | if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */ | |
1908 | log_err("fio: doing directIO to RAW devices or ZFS not supported\n"); | |
1909 | } else { | |
1910 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1911 | } | |
1912 | #else | |
1913 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1914 | #endif | |
1915 | return -1; | |
1916 | } | |
1917 | ||
1918 | return 0; | |
1919 | #else | |
51102e0d | 1920 | log_err("fio: direct IO is not supported on this host operating system\n"); |
47534cda TK |
1921 | return -1; |
1922 | #endif | |
1923 | } |