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 JA |
97 | #endif /* CONFIG_LINUX_FALLOCATE */ |
98 | default: | |
99 | log_err("fio: unknown fallocate mode: %d\n", td->o.fallocate_mode); | |
100 | assert(0); | |
101 | } | |
005eb303 JA |
102 | } |
103 | ||
3baddf24 JA |
104 | /* |
105 | * Leaves f->fd open on success, caller must close | |
106 | */ | |
7bb48f84 | 107 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 108 | { |
005eb303 | 109 | int new_layout = 0, unlink_file = 0, flags; |
25205e97 | 110 | unsigned long long left; |
5fff9543 | 111 | unsigned long long bs; |
f3e1eb23 | 112 | char *b = NULL; |
b2a15192 | 113 | |
4241ea8f JA |
114 | if (read_only) { |
115 | log_err("fio: refusing extend of file due to read-only\n"); | |
116 | return 0; | |
117 | } | |
118 | ||
507a702f JA |
119 | /* |
120 | * check if we need to lay the file out complete again. fio | |
121 | * does that for operations involving reads, or for writes | |
122 | * where overwrite is set | |
123 | */ | |
1417daeb JA |
124 | if (td_read(td) || |
125 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 126 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 127 | new_layout = 1; |
1417daeb | 128 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 129 | unlink_file = 1; |
507a702f | 130 | |
6ae1f57f | 131 | if (unlink_file || new_layout) { |
2442c935 JA |
132 | int ret; |
133 | ||
bd199f2b | 134 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
135 | |
136 | ret = td_io_unlink_file(td, f); | |
137 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
138 | td_verror(td, errno, "unlink"); |
139 | return 1; | |
140 | } | |
141 | } | |
142 | ||
2378826d JA |
143 | flags = O_WRONLY; |
144 | if (td->o.allow_create) | |
145 | flags |= O_CREAT; | |
507a702f JA |
146 | if (new_layout) |
147 | flags |= O_TRUNC; | |
148 | ||
9c0f3f32 BC |
149 | #ifdef WIN32 |
150 | flags |= _O_BINARY; | |
151 | #endif | |
152 | ||
ee56ad50 | 153 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 154 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 155 | if (f->fd < 0) { |
2378826d JA |
156 | int err = errno; |
157 | ||
158 | if (err == ENOENT && !td->o.allow_create) | |
159 | log_err("fio: file creation disallowed by " | |
160 | "allow_file_create=0\n"); | |
323876fb | 161 | else |
2378826d | 162 | td_verror(td, err, "open"); |
53cdc686 JA |
163 | return 1; |
164 | } | |
165 | ||
005eb303 | 166 | fallocate_file(td, f); |
9b836561 | 167 | |
79591fa9 TK |
168 | /* |
169 | * If our jobs don't require regular files initially, we're done. | |
170 | */ | |
fc74ac1d SL |
171 | if (!new_layout) |
172 | goto done; | |
173 | ||
5e0074c2 JA |
174 | /* |
175 | * The size will be -1ULL when fill_device is used, so don't truncate | |
176 | * or fallocate this file, just write it | |
177 | */ | |
178 | if (!td->o.fill_device) { | |
179 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 180 | (unsigned long long) f->real_file_size); |
5e0074c2 | 181 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
182 | if (errno != EFBIG) { |
183 | td_verror(td, errno, "ftruncate"); | |
184 | goto err; | |
185 | } | |
5e0074c2 | 186 | } |
5e0074c2 | 187 | } |
40f8298c | 188 | |
82d8de31 TK |
189 | left = f->real_file_size; |
190 | bs = td->o.max_bs[DDIR_WRITE]; | |
191 | if (bs > left) | |
192 | bs = left; | |
193 | ||
323876fb | 194 | b = malloc(bs); |
84af30a1 | 195 | if (!b) { |
323876fb | 196 | td_verror(td, errno, "malloc"); |
84af30a1 TK |
197 | goto err; |
198 | } | |
53cdc686 | 199 | |
53cdc686 | 200 | while (left && !td->terminate) { |
005eb303 JA |
201 | ssize_t r; |
202 | ||
53cdc686 JA |
203 | if (bs > left) |
204 | bs = left; | |
205 | ||
cc86c395 JA |
206 | fill_io_buffer(td, b, bs, bs); |
207 | ||
53cdc686 JA |
208 | r = write(f->fd, b, bs); |
209 | ||
5e0074c2 JA |
210 | if (r > 0) { |
211 | left -= r; | |
53cdc686 JA |
212 | continue; |
213 | } else { | |
5e0074c2 JA |
214 | if (r < 0) { |
215 | int __e = errno; | |
216 | ||
217 | if (__e == ENOSPC) { | |
218 | if (td->o.fill_device) | |
219 | break; | |
220 | log_info("fio: ENOSPC on laying out " | |
221 | "file, stopping\n"); | |
222 | break; | |
223 | } | |
e1161c32 | 224 | td_verror(td, errno, "write"); |
5e0074c2 | 225 | } else |
e1161c32 | 226 | td_verror(td, EIO, "write"); |
53cdc686 JA |
227 | |
228 | break; | |
229 | } | |
230 | } | |
231 | ||
ffdfabd4 JA |
232 | if (td->terminate) { |
233 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 234 | td_io_unlink_file(td, f); |
ffdfabd4 | 235 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
236 | if (fsync(f->fd) < 0) { |
237 | td_verror(td, errno, "fsync"); | |
238 | goto err; | |
239 | } | |
240 | } | |
0d1cd207 | 241 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 242 | fio_file_clear_size_known(f); |
5e0074c2 JA |
243 | if (td_io_get_file_size(td, f)) |
244 | goto err; | |
245 | if (f->io_size > f->real_file_size) | |
246 | f->io_size = f->real_file_size; | |
247 | } | |
53cdc686 | 248 | |
323876fb | 249 | free(b); |
507a702f | 250 | done: |
53cdc686 JA |
251 | return 0; |
252 | err: | |
253 | close(f->fd); | |
254 | f->fd = -1; | |
f3e1eb23 | 255 | if (b) |
323876fb | 256 | free(b); |
53cdc686 JA |
257 | return 1; |
258 | } | |
259 | ||
c139f3b4 | 260 | static bool pre_read_file(struct thread_data *td, struct fio_file *f) |
afad68f7 | 261 | { |
c139f3b4 | 262 | int r, did_open = 0, old_runstate; |
afad68f7 | 263 | unsigned long long left; |
5fff9543 | 264 | unsigned long long bs; |
c139f3b4 | 265 | bool ret = true; |
afad68f7 ZY |
266 | char *b; |
267 | ||
736f1188 TK |
268 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
269 | td_ioengine_flagged(td, FIO_NOIO)) | |
c139f3b4 | 270 | return true; |
9c0d2241 | 271 | |
e658078b | 272 | if (f->filetype == FIO_TYPE_CHAR) |
c139f3b4 | 273 | return true; |
e658078b | 274 | |
d6aed795 | 275 | if (!fio_file_open(f)) { |
b0f65863 JA |
276 | if (td->io_ops->open_file(td, f)) { |
277 | log_err("fio: cannot pre-read, failed to open file\n"); | |
c139f3b4 | 278 | return false; |
b0f65863 JA |
279 | } |
280 | did_open = 1; | |
281 | } | |
282 | ||
8edd973d | 283 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 284 | |
82d8de31 | 285 | left = f->io_size; |
afad68f7 | 286 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
287 | if (bs > left) |
288 | bs = left; | |
289 | ||
afad68f7 | 290 | b = malloc(bs); |
84af30a1 TK |
291 | if (!b) { |
292 | td_verror(td, errno, "malloc"); | |
c139f3b4 | 293 | ret = false; |
84af30a1 TK |
294 | goto error; |
295 | } | |
afad68f7 ZY |
296 | memset(b, 0, bs); |
297 | ||
ef799a64 JA |
298 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
299 | td_verror(td, errno, "lseek"); | |
300 | log_err("fio: failed to lseek pre-read file\n"); | |
c139f3b4 | 301 | ret = false; |
ef799a64 JA |
302 | goto error; |
303 | } | |
304 | ||
afad68f7 ZY |
305 | while (left && !td->terminate) { |
306 | if (bs > left) | |
307 | bs = left; | |
308 | ||
309 | r = read(f->fd, b, bs); | |
310 | ||
311 | if (r == (int) bs) { | |
312 | left -= bs; | |
313 | continue; | |
314 | } else { | |
315 | td_verror(td, EIO, "pre_read"); | |
316 | break; | |
317 | } | |
318 | } | |
319 | ||
ef799a64 | 320 | error: |
8edd973d | 321 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
322 | |
323 | if (did_open) | |
324 | td->io_ops->close_file(td, f); | |
ef799a64 | 325 | |
afad68f7 | 326 | free(b); |
ef799a64 | 327 | return ret; |
afad68f7 ZY |
328 | } |
329 | ||
a3f001f5 | 330 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 331 | { |
dc873b6f | 332 | unsigned long long ret, sized; |
c3546b53 | 333 | uint64_t frand_max; |
ed06087e | 334 | uint64_t r; |
9c60ce64 | 335 | |
c3546b53 | 336 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 337 | r = __rand(&td->file_size_state); |
54a21917 | 338 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 339 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 340 | ret += td->o.file_size_low; |
2dc1bbeb | 341 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
342 | return ret; |
343 | } | |
344 | ||
53cdc686 JA |
345 | static int file_size(struct thread_data *td, struct fio_file *f) |
346 | { | |
347 | struct stat st; | |
348 | ||
df9c26b1 | 349 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
350 | td_verror(td, errno, "fstat"); |
351 | return 1; | |
352 | } | |
53cdc686 | 353 | |
7bb48f84 | 354 | f->real_file_size = st.st_size; |
53cdc686 JA |
355 | return 0; |
356 | } | |
357 | ||
358 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
359 | { | |
9b836561 | 360 | unsigned long long bytes = 0; |
53cdc686 JA |
361 | int r; |
362 | ||
df9c26b1 JA |
363 | if (td->io_ops->open_file(td, f)) { |
364 | log_err("fio: failed opening blockdev %s for size check\n", | |
365 | f->file_name); | |
366 | return 1; | |
367 | } | |
368 | ||
ecc314ba | 369 | r = blockdev_size(f, &bytes); |
53cdc686 | 370 | if (r) { |
e1161c32 | 371 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 372 | goto err; |
53cdc686 JA |
373 | } |
374 | ||
7ab077ab JA |
375 | if (!bytes) { |
376 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 377 | goto err; |
7ab077ab JA |
378 | } |
379 | ||
53cdc686 | 380 | f->real_file_size = bytes; |
22a57ba8 | 381 | td->io_ops->close_file(td, f); |
53cdc686 | 382 | return 0; |
df9c26b1 JA |
383 | err: |
384 | td->io_ops->close_file(td, f); | |
385 | return 1; | |
53cdc686 JA |
386 | } |
387 | ||
4ccdccd1 JA |
388 | static int char_size(struct thread_data *td, struct fio_file *f) |
389 | { | |
390 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 391 | unsigned long long bytes = 0; |
4ccdccd1 JA |
392 | int r; |
393 | ||
394 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 395 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
396 | f->file_name); |
397 | return 1; | |
398 | } | |
399 | ||
ecc314ba | 400 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
401 | if (r) { |
402 | td_verror(td, r, "chardev_size"); | |
403 | goto err; | |
404 | } | |
405 | ||
406 | if (!bytes) { | |
407 | log_err("%s: zero sized char device?\n", f->file_name); | |
408 | goto err; | |
409 | } | |
410 | ||
411 | f->real_file_size = bytes; | |
412 | td->io_ops->close_file(td, f); | |
413 | return 0; | |
414 | err: | |
415 | td->io_ops->close_file(td, f); | |
416 | return 1; | |
417 | #else | |
418 | f->real_file_size = -1ULL; | |
419 | return 0; | |
420 | #endif | |
421 | } | |
422 | ||
53cdc686 JA |
423 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
424 | { | |
425 | int ret = 0; | |
426 | ||
d6aed795 | 427 | if (fio_file_size_known(f)) |
409b3417 JA |
428 | return 0; |
429 | ||
7bb48f84 JA |
430 | if (f->filetype == FIO_TYPE_FILE) |
431 | ret = file_size(td, f); | |
686fbd31 | 432 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 433 | ret = bdev_size(td, f); |
4ccdccd1 JA |
434 | else if (f->filetype == FIO_TYPE_CHAR) |
435 | ret = char_size(td, f); | |
8bd809f5 TK |
436 | else { |
437 | f->real_file_size = -1; | |
438 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
439 | f->file_name); | |
440 | return 1; /* avoid offset extends end error message */ | |
441 | } | |
53cdc686 | 442 | |
79591fa9 TK |
443 | /* |
444 | * Leave ->real_file_size with 0 since it could be expectation | |
445 | * of initial setup for regular files. | |
446 | */ | |
a0cb220b | 447 | if (ret) |
53cdc686 JA |
448 | return ret; |
449 | ||
957c81b9 TK |
450 | /* |
451 | * ->file_offset normally hasn't been initialized yet, so this | |
8bd809f5 TK |
452 | * is basically always false unless ->real_file_size is -1, but |
453 | * if ->real_file_size is -1 this message doesn't make sense. | |
454 | * As a result, this message is basically useless. | |
957c81b9 | 455 | */ |
53cdc686 | 456 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 457 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
458 | (unsigned long long) f->file_offset, |
459 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
460 | return 1; |
461 | } | |
462 | ||
d6aed795 | 463 | fio_file_set_size_known(f); |
53cdc686 JA |
464 | return 0; |
465 | } | |
466 | ||
3baddf24 JA |
467 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
468 | unsigned long long off, | |
469 | unsigned long long len) | |
e5b401d4 | 470 | { |
942a851a | 471 | int errval = 0, ret = 0; |
e5b401d4 | 472 | |
c8931876 JA |
473 | #ifdef CONFIG_ESX |
474 | return 0; | |
475 | #endif | |
476 | ||
5e0074c2 | 477 | if (len == -1ULL) |
3baddf24 JA |
478 | len = f->io_size; |
479 | if (off == -1ULL) | |
480 | off = f->file_offset; | |
ee56ad50 | 481 | |
0d1cd207 JA |
482 | if (len == -1ULL || off == -1ULL) |
483 | return 0; | |
484 | ||
942a851a | 485 | if (td->io_ops->invalidate) { |
4499dbef TK |
486 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
487 | f->file_name); | |
d9b100fc | 488 | ret = td->io_ops->invalidate(td, f); |
942a851a | 489 | if (ret < 0) |
afd118db | 490 | errval = -ret; |
4e18b4d9 SW |
491 | } else if (td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
492 | dprint(FD_IO, "invalidate not supported by ioengine %s\n", | |
493 | td->io_ops->name); | |
942a851a | 494 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
495 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
496 | f->file_name, off, len); | |
ecc314ba | 497 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 498 | if (ret) |
942a851a | 499 | errval = ret; |
686fbd31 | 500 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
501 | int retry_count = 0; |
502 | ||
4499dbef | 503 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 504 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
505 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
506 | /* | |
507 | * Linux multipath devices reject ioctl while | |
508 | * the maps are being updated. That window can | |
509 | * last tens of milliseconds; we'll try up to | |
510 | * a quarter of a second. | |
511 | */ | |
512 | usleep(10000); | |
513 | ret = blockdev_invalidate_cache(f); | |
514 | } | |
7e0e25c9 | 515 | if (ret < 0 && errno == EACCES && geteuid()) { |
5bdc4522 | 516 | if (!fio_did_warn(FIO_WARN_ROOT_FLUSH)) { |
5ec10eaa JA |
517 | log_err("fio: only root may flush block " |
518 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 | 519 | } |
7e0e25c9 | 520 | } |
942a851a JA |
521 | if (ret < 0) |
522 | errval = errno; | |
4499dbef TK |
523 | } else if (f->filetype == FIO_TYPE_CHAR || |
524 | f->filetype == FIO_TYPE_PIPE) { | |
525 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
4499dbef | 526 | } |
e5b401d4 | 527 | |
dfe11fd1 JA |
528 | /* |
529 | * Cache flushing isn't a fatal condition, and we know it will | |
530 | * happen on some platforms where we don't have the proper | |
531 | * function to flush eg block device caches. So just warn and | |
532 | * continue on our way. | |
533 | */ | |
942a851a | 534 | if (errval) |
22de5d77 TK |
535 | log_info("fio: cache invalidation of %s failed: %s\n", |
536 | f->file_name, strerror(errval)); | |
e5b401d4 | 537 | |
dfe11fd1 | 538 | return 0; |
3baddf24 JA |
539 | |
540 | } | |
541 | ||
542 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
543 | { | |
d6aed795 | 544 | if (!fio_file_open(f)) |
a5fb461f JA |
545 | return 0; |
546 | ||
5e0074c2 | 547 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
548 | } |
549 | ||
6977bcd0 | 550 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 551 | { |
6977bcd0 JA |
552 | int ret = 0; |
553 | ||
ee56ad50 | 554 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
555 | |
556 | remove_file_hash(f); | |
557 | ||
6977bcd0 JA |
558 | if (close(f->fd) < 0) |
559 | ret = errno; | |
560 | ||
b5af8293 | 561 | f->fd = -1; |
e6c4d732 JA |
562 | |
563 | if (f->shadow_fd != -1) { | |
564 | close(f->shadow_fd); | |
565 | f->shadow_fd = -1; | |
566 | } | |
567 | ||
710bf9c5 | 568 | f->engine_pos = 0; |
6977bcd0 | 569 | return ret; |
53cdc686 JA |
570 | } |
571 | ||
1ccc6dc7 | 572 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 573 | { |
29c1349f | 574 | struct fio_file *__f; |
4d4e80f2 JA |
575 | int from_hash; |
576 | ||
577 | __f = lookup_file_hash(f->file_name); | |
578 | if (__f) { | |
9efef3c4 | 579 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 580 | f->lock = __f->lock; |
4d4e80f2 JA |
581 | from_hash = 1; |
582 | } else { | |
9efef3c4 | 583 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
584 | from_hash = 0; |
585 | } | |
586 | ||
9c0f3f32 BC |
587 | #ifdef WIN32 |
588 | flags |= _O_BINARY; | |
589 | #endif | |
590 | ||
e8670ef8 | 591 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
592 | return from_hash; |
593 | } | |
594 | ||
e6c4d732 JA |
595 | static int file_close_shadow_fds(struct thread_data *td) |
596 | { | |
597 | struct fio_file *f; | |
598 | int num_closed = 0; | |
599 | unsigned int i; | |
600 | ||
601 | for_each_file(td, f, i) { | |
602 | if (f->shadow_fd == -1) | |
603 | continue; | |
604 | ||
605 | close(f->shadow_fd); | |
606 | f->shadow_fd = -1; | |
607 | num_closed++; | |
608 | } | |
609 | ||
610 | return num_closed; | |
611 | } | |
612 | ||
4d4e80f2 JA |
613 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
614 | { | |
66159828 | 615 | int is_std = 0; |
53cdc686 | 616 | int flags = 0; |
29c1349f | 617 | int from_hash = 0; |
53cdc686 | 618 | |
ee56ad50 JA |
619 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
620 | ||
66159828 JA |
621 | if (!strcmp(f->file_name, "-")) { |
622 | if (td_rw(td)) { | |
623 | log_err("fio: can't read/write to stdin/out\n"); | |
624 | return 1; | |
625 | } | |
626 | is_std = 1; | |
ce98fa66 JA |
627 | |
628 | /* | |
629 | * move output logging to stderr, if we are writing to stdout | |
630 | */ | |
631 | if (td_write(td)) | |
632 | f_out = stderr; | |
66159828 JA |
633 | } |
634 | ||
6eaf09d6 SL |
635 | if (td_trim(td)) |
636 | goto skip_flags; | |
2dc1bbeb | 637 | if (td->o.odirect) |
2fd233b7 | 638 | flags |= OS_O_DIRECT; |
d01612f3 CM |
639 | if (td->o.oatomic) { |
640 | if (!FIO_O_ATOMIC) { | |
641 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
642 | return 1; | |
643 | } | |
644 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
645 | } | |
2dc1bbeb | 646 | if (td->o.sync_io) |
2fd233b7 | 647 | flags |= O_SYNC; |
2378826d | 648 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 649 | flags |= O_CREAT; |
6eaf09d6 SL |
650 | skip_flags: |
651 | if (f->filetype != FIO_TYPE_FILE) | |
652 | flags |= FIO_O_NOATIME; | |
53cdc686 | 653 | |
056f3459 | 654 | open_again: |
660a1cb5 | 655 | if (td_write(td)) { |
17308158 JA |
656 | if (!read_only) |
657 | flags |= O_RDWR; | |
53cdc686 | 658 | |
2378826d | 659 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 660 | flags |= O_CREAT; |
2fd233b7 | 661 | |
66159828 JA |
662 | if (is_std) |
663 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
664 | else |
665 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 666 | } else if (td_read(td)) { |
4241ea8f | 667 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
668 | flags |= O_RDWR; |
669 | else | |
670 | flags |= O_RDONLY; | |
671 | ||
66159828 JA |
672 | if (is_std) |
673 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
674 | else |
675 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
676 | } else if (td_trim(td)) { |
677 | assert(!td_rw(td)); /* should have matched above */ | |
11ff4c37 VF |
678 | if (!read_only) |
679 | flags |= O_RDWR; | |
6eaf09d6 | 680 | from_hash = file_lookup_open(f, flags); |
53cdc686 JA |
681 | } |
682 | ||
683 | if (f->fd == -1) { | |
e4e33258 | 684 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
685 | int __e = errno; |
686 | ||
835d9b9e | 687 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 688 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
689 | goto open_again; |
690 | } | |
e6c4d732 JA |
691 | if (__e == EMFILE && file_close_shadow_fds(td)) |
692 | goto open_again; | |
056f3459 | 693 | |
98ffb8f3 | 694 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 695 | |
a93c5f04 JA |
696 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
697 | log_err("fio: looks like your file system does not " \ | |
698 | "support direct=1/buffered=0\n"); | |
699 | } | |
700 | ||
e4e33258 | 701 | td_verror(td, __e, buf); |
3ce3ad33 | 702 | return 1; |
53cdc686 JA |
703 | } |
704 | ||
29c1349f JA |
705 | if (!from_hash && f->fd != -1) { |
706 | if (add_file_hash(f)) { | |
3f0ca9b9 | 707 | int fio_unused ret; |
29c1349f JA |
708 | |
709 | /* | |
e6c4d732 JA |
710 | * Stash away descriptor for later close. This is to |
711 | * work-around a "feature" on Linux, where a close of | |
712 | * an fd that has been opened for write will trigger | |
713 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 714 | * That pollutes the device cache, which can slow down |
e6c4d732 | 715 | * unbuffered accesses. |
29c1349f | 716 | */ |
e6c4d732 JA |
717 | if (f->shadow_fd == -1) |
718 | f->shadow_fd = f->fd; | |
719 | else { | |
720 | /* | |
721 | * OK to ignore, we haven't done anything | |
722 | * with it | |
723 | */ | |
724 | ret = generic_close_file(td, f); | |
725 | } | |
29c1349f JA |
726 | goto open_again; |
727 | } | |
728 | } | |
4906e0b5 | 729 | |
53cdc686 | 730 | return 0; |
b5af8293 JA |
731 | } |
732 | ||
79591fa9 TK |
733 | /* |
734 | * This function i.e. get_file_size() is the default .get_file_size | |
735 | * implementation of majority of I/O engines. | |
736 | */ | |
df9c26b1 | 737 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 738 | { |
df9c26b1 | 739 | return get_file_size(td, f); |
21972cde JA |
740 | } |
741 | ||
7bb48f84 JA |
742 | /* |
743 | * open/close all files, so that ->real_file_size gets set | |
744 | */ | |
bab3fd58 | 745 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
746 | { |
747 | struct fio_file *f; | |
748 | unsigned int i; | |
bab3fd58 | 749 | int err = 0; |
7bb48f84 JA |
750 | |
751 | for_each_file(td, f, i) { | |
08c44a55 | 752 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 753 | f->file_name); |
9efef3c4 | 754 | |
99a47c69 | 755 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
756 | if (td->error != ENOENT) { |
757 | log_err("%s\n", td->verror); | |
758 | err = 1; | |
3ce3ad33 | 759 | break; |
40b44f4a | 760 | } |
541d66d7 | 761 | clear_error(td); |
07eb79df | 762 | } |
409b3417 | 763 | |
79591fa9 TK |
764 | /* |
765 | * There are corner cases where we end up with -1 for | |
766 | * ->real_file_size due to unsupported file type, etc. | |
767 | * We then just set to size option value divided by number | |
768 | * of files, similar to the way file ->io_size is set. | |
769 | * stat(2) failure doesn't set ->real_file_size to -1. | |
770 | */ | |
409b3417 JA |
771 | if (f->real_file_size == -1ULL && td->o.size) |
772 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 773 | } |
bab3fd58 JA |
774 | |
775 | return err; | |
7bb48f84 JA |
776 | } |
777 | ||
2e3bd4c2 JA |
778 | struct fio_mount { |
779 | struct flist_head list; | |
780 | const char *base; | |
781 | char __base[256]; | |
782 | unsigned int key; | |
783 | }; | |
784 | ||
785 | /* | |
786 | * Get free number of bytes for each file on each unique mount. | |
787 | */ | |
788 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
789 | { | |
790 | struct flist_head *n, *tmp; | |
68b0316f | 791 | unsigned long long ret = 0; |
2e3bd4c2 JA |
792 | struct fio_mount *fm; |
793 | FLIST_HEAD(list); | |
794 | struct fio_file *f; | |
795 | unsigned int i; | |
796 | ||
797 | for_each_file(td, f, i) { | |
798 | struct stat sb; | |
799 | char buf[256]; | |
800 | ||
686fbd31 | 801 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
802 | if (f->real_file_size != -1ULL) |
803 | ret += f->real_file_size; | |
68b0316f JA |
804 | continue; |
805 | } else if (f->filetype != FIO_TYPE_FILE) | |
806 | continue; | |
807 | ||
da27a4bf JA |
808 | buf[255] = '\0'; |
809 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
810 | |
811 | if (stat(buf, &sb) < 0) { | |
812 | if (errno != ENOENT) | |
813 | break; | |
814 | strcpy(buf, "."); | |
815 | if (stat(buf, &sb) < 0) | |
816 | break; | |
817 | } | |
818 | ||
819 | fm = NULL; | |
820 | flist_for_each(n, &list) { | |
821 | fm = flist_entry(n, struct fio_mount, list); | |
822 | if (fm->key == sb.st_dev) | |
823 | break; | |
824 | ||
825 | fm = NULL; | |
826 | } | |
827 | ||
828 | if (fm) | |
829 | continue; | |
830 | ||
3660ceae | 831 | fm = calloc(1, sizeof(*fm)); |
32e31c8c DLM |
832 | strncpy(fm->__base, buf, sizeof(fm->__base)); |
833 | fm->__base[255] = '\0'; | |
2e3bd4c2 JA |
834 | fm->base = basename(fm->__base); |
835 | fm->key = sb.st_dev; | |
836 | flist_add(&fm->list, &list); | |
837 | } | |
838 | ||
2e3bd4c2 JA |
839 | flist_for_each_safe(n, tmp, &list) { |
840 | unsigned long long sz; | |
841 | ||
842 | fm = flist_entry(n, struct fio_mount, list); | |
843 | flist_del(&fm->list); | |
844 | ||
c08ad04c | 845 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
846 | if (sz && sz != -1ULL) |
847 | ret += sz; | |
848 | ||
849 | free(fm); | |
850 | } | |
851 | ||
852 | return ret; | |
853 | } | |
854 | ||
bedc9dc2 | 855 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 856 | { |
bedc9dc2 | 857 | struct thread_options *o = &td->o; |
872e0415 JA |
858 | unsigned long long align_bs; |
859 | unsigned long long offset; | |
bedc9dc2 JA |
860 | |
861 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
862 | return f->real_file_size; | |
863 | ||
89978a6b | 864 | if (o->start_offset_percent > 0) { |
872e0415 | 865 | /* |
83c8b093 | 866 | * if offset_align is provided, set initial offset |
872e0415 | 867 | */ |
83c8b093 JF |
868 | if (fio_option_is_set(o, start_offset_align)) { |
869 | align_bs = o->start_offset_align; | |
872e0415 JA |
870 | } else { |
871 | /* else take the minimum block size */ | |
89978a6b BW |
872 | align_bs = td_min_bs(td); |
873 | } | |
874 | ||
875 | /* calculate the raw offset */ | |
876 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
877 | (td->subjob_number * o->offset_increment); | |
878 | ||
872e0415 JA |
879 | /* |
880 | * block align the offset at the next available boundary at | |
881 | * ceiling(offset / align_bs) * align_bs | |
882 | */ | |
89978a6b BW |
883 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
884 | ||
872e0415 JA |
885 | } else { |
886 | /* start_offset_percent not set */ | |
f0d13935 JA |
887 | offset = o->start_offset + |
888 | td->subjob_number * o->offset_increment; | |
89978a6b | 889 | } |
872e0415 | 890 | |
89978a6b | 891 | return offset; |
ce95d651 DE |
892 | } |
893 | ||
95af8dd5 KZ |
894 | static bool create_work_dirs(struct thread_data *td, const char *fname) |
895 | { | |
896 | char path[PATH_MAX]; | |
897 | char *start, *end; | |
898 | ||
899 | if (td->o.directory) { | |
900 | snprintf(path, PATH_MAX, "%s%c%s", td->o.directory, | |
901 | FIO_OS_PATH_SEPARATOR, fname); | |
902 | start = strstr(path, fname); | |
903 | } else { | |
904 | snprintf(path, PATH_MAX, "%s", fname); | |
905 | start = path; | |
906 | } | |
907 | ||
908 | end = start; | |
909 | while ((end = strchr(end, FIO_OS_PATH_SEPARATOR)) != NULL) { | |
910 | if (end == start) | |
911 | break; | |
912 | *end = '\0'; | |
913 | errno = 0; | |
914 | #ifdef CONFIG_HAVE_MKDIR_TWO | |
915 | if (mkdir(path, 0600) && errno != EEXIST) { | |
916 | #else | |
917 | if (mkdir(path) && errno != EEXIST) { | |
918 | #endif | |
919 | log_err("fio: failed to create dir (%s): %d\n", | |
920 | start, errno); | |
921 | return false; | |
922 | } | |
923 | *end = FIO_OS_PATH_SEPARATOR; | |
924 | end++; | |
925 | } | |
926 | td->flags |= TD_F_DIRS_CREATED; | |
927 | return true; | |
928 | } | |
929 | ||
7bb48f84 JA |
930 | /* |
931 | * Open the files and setup files sizes, creating files if necessary. | |
932 | */ | |
53cdc686 JA |
933 | int setup_files(struct thread_data *td) |
934 | { | |
7bb48f84 | 935 | unsigned long long total_size, extend_size; |
de98bd30 | 936 | struct thread_options *o = &td->o; |
53cdc686 | 937 | struct fio_file *f; |
002fe734 | 938 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 939 | int err = 0, need_extend; |
e90391eb | 940 | int old_state; |
5fff9543 | 941 | const unsigned long long bs = td_min_bs(td); |
002fe734 | 942 | uint64_t fs = 0; |
53cdc686 | 943 | |
ee56ad50 JA |
944 | dprint(FD_FILE, "setup files\n"); |
945 | ||
8edd973d | 946 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 947 | |
95af8dd5 KZ |
948 | for_each_file(td, f, i) { |
949 | if (!td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
950 | strchr(f->file_name, FIO_OS_PATH_SEPARATOR) && | |
951 | !(td->flags & TD_F_DIRS_CREATED) && | |
952 | !create_work_dirs(td, f->file_name)) | |
953 | goto err_out; | |
954 | } | |
955 | ||
53cdc686 | 956 | /* |
79591fa9 TK |
957 | * Find out physical size of files or devices for this thread, |
958 | * before we determine I/O size and range of our targets. | |
959 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
960 | * opening the files and setting f->real_file_size to indicate |
961 | * the valid range for that file. | |
53cdc686 JA |
962 | */ |
963 | if (td->io_ops->setup) | |
7bb48f84 JA |
964 | err = td->io_ops->setup(td); |
965 | else | |
bab3fd58 | 966 | err = get_file_sizes(td); |
53cdc686 | 967 | |
f1027063 | 968 | if (err) |
e90391eb | 969 | goto err_out; |
f1027063 | 970 | |
934c3085 AK |
971 | if (o->read_iolog_file) |
972 | goto done; | |
1df4ee29 | 973 | |
0a7eb121 | 974 | /* |
7bb48f84 JA |
975 | * check sizes. if the files/devices do not exist and the size |
976 | * isn't passed to fio, abort. | |
0a7eb121 | 977 | */ |
7bb48f84 JA |
978 | total_size = 0; |
979 | for_each_file(td, f, i) { | |
49a416bd | 980 | f->fileno = i; |
7bb48f84 JA |
981 | if (f->real_file_size == -1ULL) |
982 | total_size = -1ULL; | |
983 | else | |
984 | total_size += f->real_file_size; | |
985 | } | |
0a7eb121 | 986 | |
de98bd30 | 987 | if (o->fill_device) |
2e3bd4c2 JA |
988 | td->fill_device_size = get_fs_free_counts(td); |
989 | ||
7bb48f84 JA |
990 | /* |
991 | * device/file sizes are zero and no size given, punt | |
992 | */ | |
de98bd30 | 993 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 994 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
995 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
996 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 997 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 998 | goto err_out; |
53cdc686 JA |
999 | } |
1000 | ||
002fe734 JA |
1001 | /* |
1002 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 1003 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 1004 | */ |
d1e78e6b | 1005 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
1006 | uint64_t all_fs; |
1007 | ||
1008 | fs = o->size / o->nr_files; | |
1009 | all_fs = fs * o->nr_files; | |
1010 | ||
1011 | if (all_fs < o->size) | |
1012 | nr_fs_extra = (o->size - all_fs) / bs; | |
1013 | } | |
1014 | ||
7bb48f84 JA |
1015 | /* |
1016 | * now file sizes are known, so we can set ->io_size. if size= is | |
1017 | * not given, ->io_size is just equal to ->real_file_size. if size | |
1018 | * is given, ->io_size is size / nr_files. | |
1019 | */ | |
1020 | extend_size = total_size = 0; | |
1021 | need_extend = 0; | |
1022 | for_each_file(td, f, i) { | |
bedc9dc2 | 1023 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 1024 | |
79591fa9 TK |
1025 | /* |
1026 | * Update ->io_size depending on options specified. | |
1027 | * ->file_size_low being 0 means filesize option isn't set. | |
1028 | * Non zero ->file_size_low equals ->file_size_high means | |
1029 | * filesize option is set in a fixed size format. | |
1030 | * Non zero ->file_size_low not equals ->file_size_high means | |
1031 | * filesize option is set in a range format. | |
1032 | */ | |
de98bd30 | 1033 | if (!o->file_size_low) { |
7bb48f84 | 1034 | /* |
79591fa9 | 1035 | * no file size or range given, file size is equal to |
c4aa2d08 | 1036 | * total size divided by number of files. If the size |
002fe734 JA |
1037 | * doesn't divide nicely with the min blocksize, |
1038 | * make the first files bigger. | |
7bb48f84 | 1039 | */ |
002fe734 JA |
1040 | f->io_size = fs; |
1041 | if (nr_fs_extra) { | |
1042 | nr_fs_extra--; | |
1043 | f->io_size += bs; | |
1044 | } | |
1045 | ||
c4aa2d08 | 1046 | /* |
c6dfd837 TK |
1047 | * We normally don't come here for regular files, but |
1048 | * if the result is 0 for a regular file, set it to the | |
1049 | * real file size. This could be size of the existing | |
1050 | * one if it already exists, but otherwise will be set | |
1051 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
1052 | * ->io_size + ->file_offset equals ->real_file_size. |
1053 | */ | |
1054 | if (!f->io_size) { | |
1055 | if (f->file_offset > f->real_file_size) | |
1056 | goto err_offset; | |
273f8c91 | 1057 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
1058 | if (!f->io_size) |
1059 | log_info("fio: file %s may be ignored\n", | |
1060 | f->file_name); | |
1061 | } | |
de98bd30 JA |
1062 | } else if (f->real_file_size < o->file_size_low || |
1063 | f->real_file_size > o->file_size_high) { | |
1064 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1065 | goto err_offset; |
7bb48f84 JA |
1066 | /* |
1067 | * file size given. if it's fixed, use that. if it's a | |
1068 | * range, generate a random size in-between. | |
1069 | */ | |
de98bd30 JA |
1070 | if (o->file_size_low == o->file_size_high) |
1071 | f->io_size = o->file_size_low - f->file_offset; | |
1072 | else { | |
5ec10eaa JA |
1073 | f->io_size = get_rand_file_size(td) |
1074 | - f->file_offset; | |
1075 | } | |
65bdb10a | 1076 | } else |
bcdedd0a | 1077 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1078 | |
7bb48f84 JA |
1079 | if (f->io_size == -1ULL) |
1080 | total_size = -1ULL; | |
4d002569 | 1081 | else { |
408874da | 1082 | if (o->size_percent && o->size_percent != 100) { |
76e4bb4f SW |
1083 | uint64_t file_size; |
1084 | ||
1085 | file_size = f->io_size + f->file_offset; | |
1086 | f->io_size = (file_size * | |
1087 | o->size_percent) / 100; | |
1088 | if (f->io_size > (file_size - f->file_offset)) | |
1089 | f->io_size = file_size - f->file_offset; | |
1090 | ||
e391c704 JA |
1091 | f->io_size -= (f->io_size % td_min_bs(td)); |
1092 | } | |
7bb48f84 | 1093 | total_size += f->io_size; |
4d002569 | 1094 | } |
7bb48f84 JA |
1095 | |
1096 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 1097 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 1098 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
1099 | if (!o->create_on_open) { |
1100 | need_extend++; | |
814452bd | 1101 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1102 | fio_file_set_extend(f); |
5fd31680 | 1103 | } else |
814452bd | 1104 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1105 | } |
7bb48f84 | 1106 | } |
53cdc686 | 1107 | |
66347cfa DE |
1108 | if (td->o.block_error_hist) { |
1109 | int len; | |
1110 | ||
1111 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1112 | f = td->files[0]; | |
1113 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1114 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1115 | log_err("fio: cannot calculate block histogram with " | |
1116 | "%d trim blocks, maximum %d\n", | |
1117 | len, MAX_NR_BLOCK_INFOS); | |
1118 | td_verror(td, EINVAL, "block_error_hist"); | |
1119 | goto err_out; | |
1120 | } | |
1121 | ||
1122 | td->ts.nr_block_infos = len; | |
8a68c41c | 1123 | for (i = 0; i < len; i++) |
66347cfa DE |
1124 | td->ts.block_infos[i] = |
1125 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1126 | } else | |
1127 | td->ts.nr_block_infos = 0; | |
1128 | ||
0bc27b0b | 1129 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1130 | o->size = total_size; |
21972cde | 1131 | |
d1faa06d JA |
1132 | if (o->size < td_min_bs(td)) { |
1133 | log_err("fio: blocksize too large for data set\n"); | |
1134 | goto err_out; | |
1135 | } | |
1136 | ||
7bb48f84 | 1137 | /* |
79591fa9 TK |
1138 | * See if we need to extend some files, typically needed when our |
1139 | * target regular files don't exist yet, but our jobs require them | |
1140 | * initially due to read I/Os. | |
7bb48f84 JA |
1141 | */ |
1142 | if (need_extend) { | |
1143 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1144 | if (output_format & FIO_OUTPUT_NORMAL) { |
1145 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1146 | o->name, | |
1147 | need_extend > 1 ? "s" : "", | |
1148 | need_extend, | |
1149 | need_extend > 1 ? "s" : "", | |
1150 | need_extend > 1 ? "total " : "", | |
1151 | extend_size >> 20); | |
1152 | } | |
7bb48f84 JA |
1153 | |
1154 | for_each_file(td, f, i) { | |
5e0074c2 | 1155 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1156 | |
d6aed795 | 1157 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1158 | continue; |
1159 | ||
409b3417 | 1160 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1161 | fio_file_clear_extend(f); |
de98bd30 | 1162 | if (!o->fill_device) { |
5e0074c2 | 1163 | old_len = f->real_file_size; |
0b9d69ec JA |
1164 | extend_len = f->io_size + f->file_offset - |
1165 | old_len; | |
5e0074c2 | 1166 | } |
bcdedd0a | 1167 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1168 | err = extend_file(td, f); |
1169 | if (err) | |
3baddf24 | 1170 | break; |
5e0074c2 | 1171 | |
3baddf24 JA |
1172 | err = __file_invalidate_cache(td, f, old_len, |
1173 | extend_len); | |
9824f73b JA |
1174 | |
1175 | /* | |
1176 | * Shut up static checker | |
1177 | */ | |
1178 | if (f->fd != -1) | |
1179 | close(f->fd); | |
1180 | ||
3baddf24 JA |
1181 | f->fd = -1; |
1182 | if (err) | |
7bb48f84 JA |
1183 | break; |
1184 | } | |
1185 | temp_stall_ts = 0; | |
1186 | } | |
1187 | ||
1188 | if (err) | |
e90391eb | 1189 | goto err_out; |
7bb48f84 | 1190 | |
ea966f81 JA |
1191 | /* |
1192 | * iolog already set the total io size, if we read back | |
1193 | * stored entries. | |
1194 | */ | |
77731b29 | 1195 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1196 | if (o->io_size) |
1197 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1198 | else |
1199 | td->total_io_size = o->size * o->loops; | |
1200 | } | |
25460cf6 JA |
1201 | |
1202 | done: | |
de98bd30 | 1203 | if (o->create_only) |
25460cf6 JA |
1204 | td->done = 1; |
1205 | ||
8edd973d | 1206 | td_restore_runstate(td, old_state); |
bfbdd35b BVA |
1207 | |
1208 | if (td->o.zone_mode == ZONE_MODE_ZBD) { | |
1209 | err = zbd_init(td); | |
1210 | if (err) | |
1211 | goto err_out; | |
1212 | } | |
7bb48f84 | 1213 | return 0; |
bfbdd35b | 1214 | |
bcdedd0a | 1215 | err_offset: |
de98bd30 | 1216 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1217 | err_out: |
8edd973d | 1218 | td_restore_runstate(td, old_state); |
bcdedd0a | 1219 | return 1; |
53cdc686 JA |
1220 | } |
1221 | ||
c139f3b4 | 1222 | bool pre_read_files(struct thread_data *td) |
afad68f7 ZY |
1223 | { |
1224 | struct fio_file *f; | |
1225 | unsigned int i; | |
1226 | ||
1227 | dprint(FD_FILE, "pre_read files\n"); | |
1228 | ||
1229 | for_each_file(td, f, i) { | |
c139f3b4 JA |
1230 | if (!pre_read_file(td, f)) |
1231 | return false; | |
afad68f7 ZY |
1232 | } |
1233 | ||
c139f3b4 | 1234 | return true; |
afad68f7 ZY |
1235 | } |
1236 | ||
3a03f0cf | 1237 | static void __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
9c6f6316 | 1238 | { |
2316296a | 1239 | unsigned int range_size, seed; |
abb60c32 | 1240 | uint64_t nranges; |
42da5c8b | 1241 | uint64_t fsize; |
9c6f6316 JA |
1242 | |
1243 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1244 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1245 | |
abb60c32 | 1246 | nranges = (fsize + range_size - 1ULL) / range_size; |
9c6f6316 | 1247 | |
2316296a | 1248 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1249 | if (!td->o.rand_repeatable) |
1250 | seed = td->rand_seeds[4]; | |
1251 | ||
9c6f6316 | 1252 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1253 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1254 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1255 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1256 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1257 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1258 | } |
1259 | ||
4d832322 | 1260 | static bool init_rand_distribution(struct thread_data *td) |
9c6f6316 JA |
1261 | { |
1262 | struct fio_file *f; | |
1263 | unsigned int i; | |
1264 | int state; | |
1265 | ||
1266 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
4d832322 | 1267 | return false; |
9c6f6316 | 1268 | |
8edd973d JA |
1269 | state = td_bump_runstate(td, TD_SETTING_UP); |
1270 | ||
9c6f6316 JA |
1271 | for_each_file(td, f, i) |
1272 | __init_rand_distribution(td, f); | |
8edd973d JA |
1273 | |
1274 | td_restore_runstate(td, state); | |
4d832322 | 1275 | return true; |
9c6f6316 JA |
1276 | } |
1277 | ||
75f90d5f JA |
1278 | /* |
1279 | * Check if the number of blocks exceeds the randomness capability of | |
1280 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1281 | * 64-bit capable. | |
1282 | */ | |
1283 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1284 | uint64_t blocks) | |
1285 | { | |
1286 | if (blocks <= FRAND32_MAX) | |
1287 | return 0; | |
1288 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1289 | return 0; | |
1290 | ||
1291 | /* | |
1292 | * If the user hasn't specified a random generator, switch | |
1293 | * to tausworthe64 with informational warning. If the user did | |
1294 | * specify one, just warn. | |
1295 | */ | |
1296 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1297 | f->file_name); | |
1298 | ||
1299 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1300 | log_info("fio: Switching to tausworthe64. Use the " | |
1301 | "random_generator= option to get rid of this " | |
4e795a3e | 1302 | "warning.\n"); |
75f90d5f JA |
1303 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1304 | return 0; | |
1305 | } | |
1306 | ||
1307 | /* | |
1308 | * Just make this information to avoid breaking scripts. | |
1309 | */ | |
1310 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1311 | "tausworthe64.\n"); | |
1312 | return 0; | |
1313 | } | |
1314 | ||
4d832322 | 1315 | bool init_random_map(struct thread_data *td) |
68727076 | 1316 | { |
51ede0b1 | 1317 | unsigned long long blocks; |
68727076 JA |
1318 | struct fio_file *f; |
1319 | unsigned int i; | |
1320 | ||
9c6f6316 | 1321 | if (init_rand_distribution(td)) |
4d832322 | 1322 | return true; |
3831a843 | 1323 | if (!td_random(td)) |
4d832322 | 1324 | return true; |
68727076 JA |
1325 | |
1326 | for_each_file(td, f, i) { | |
42da5c8b | 1327 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1328 | |
42da5c8b | 1329 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1330 | |
75f90d5f | 1331 | if (check_rand_gen_limits(td, f, blocks)) |
4d832322 | 1332 | return false; |
37fbd7e9 | 1333 | |
8055e41d | 1334 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
9781c080 | 1335 | uint64_t seed; |
82af46be JA |
1336 | |
1337 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1338 | |
967d1b63 JA |
1339 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1340 | fio_file_set_lfsr(f); | |
8055e41d | 1341 | continue; |
967d1b63 | 1342 | } |
3831a843 | 1343 | } else if (!td->o.norandommap) { |
7ebd796f | 1344 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1345 | if (f->io_axmap) { |
1346 | fio_file_set_axmap(f); | |
8055e41d | 1347 | continue; |
967d1b63 | 1348 | } |
1cad7121 JA |
1349 | } else if (td->o.norandommap) |
1350 | continue; | |
ceadd59e | 1351 | |
2b386d25 | 1352 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1353 | log_err("fio: failed allocating random map. If running" |
1354 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1355 | " option or set 'softrandommap'. Or give" |
1356 | " a larger --alloc-size to fio.\n"); | |
4d832322 | 1357 | return false; |
68727076 | 1358 | } |
303032ae JA |
1359 | |
1360 | log_info("fio: file %s failed allocating random map. Running " | |
1361 | "job without.\n", f->file_name); | |
68727076 JA |
1362 | } |
1363 | ||
4d832322 | 1364 | return true; |
68727076 JA |
1365 | } |
1366 | ||
53cdc686 JA |
1367 | void close_files(struct thread_data *td) |
1368 | { | |
0ab8db89 | 1369 | struct fio_file *f; |
af52b345 | 1370 | unsigned int i; |
53cdc686 | 1371 | |
2be3eec3 JA |
1372 | for_each_file(td, f, i) { |
1373 | if (fio_file_open(f)) | |
1374 | td_io_close_file(td, f); | |
1375 | } | |
24ffd2c2 JA |
1376 | } |
1377 | ||
1378 | void close_and_free_files(struct thread_data *td) | |
1379 | { | |
1380 | struct fio_file *f; | |
1381 | unsigned int i; | |
cb9bf647 | 1382 | bool use_free = td_ioengine_flagged(td, FIO_NOFILEHASH); |
24ffd2c2 | 1383 | |
ee56ad50 JA |
1384 | dprint(FD_FILE, "close files\n"); |
1385 | ||
0ab8db89 | 1386 | for_each_file(td, f, i) { |
38ef9c90 CF |
1387 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1388 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1389 | td_io_unlink_file(td, f); | |
1390 | } | |
1391 | ||
22a57ba8 JA |
1392 | if (fio_file_open(f)) |
1393 | td_io_close_file(td, f); | |
1394 | ||
b9fbcf21 | 1395 | remove_file_hash(f); |
b3dc7f07 | 1396 | |
b5f4d8ba JA |
1397 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1398 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1399 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1400 | } |
1401 | ||
bfbdd35b BVA |
1402 | zbd_free_zone_info(f); |
1403 | ||
cb9bf647 JB |
1404 | if (use_free) |
1405 | free(f->file_name); | |
1406 | else | |
1407 | sfree(f->file_name); | |
fa1da865 | 1408 | f->file_name = NULL; |
967d1b63 JA |
1409 | if (fio_file_axmap(f)) { |
1410 | axmap_free(f->io_axmap); | |
1411 | f->io_axmap = NULL; | |
1412 | } | |
cb9bf647 JB |
1413 | if (use_free) |
1414 | free(f); | |
1415 | else | |
1416 | sfree(f); | |
53cdc686 | 1417 | } |
b4a6a59a | 1418 | |
2dc1bbeb | 1419 | td->o.filename = NULL; |
cade3ef4 | 1420 | free(td->files); |
d7df1d13 | 1421 | free(td->file_locks); |
9efef3c4 | 1422 | td->files_index = 0; |
b4a6a59a | 1423 | td->files = NULL; |
d7df1d13 | 1424 | td->file_locks = NULL; |
27ddbfa0 | 1425 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1426 | td->o.nr_files = 0; |
53cdc686 | 1427 | } |
af52b345 | 1428 | |
e3bab463 | 1429 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1430 | { |
1431 | struct stat sb; | |
1432 | ||
66159828 JA |
1433 | if (!strcmp(f->file_name, "-")) |
1434 | f->filetype = FIO_TYPE_PIPE; | |
1435 | else | |
1436 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1437 | |
d5b78f5a | 1438 | #ifdef WIN32 |
3892182a BC |
1439 | /* \\.\ is the device namespace in Windows, where every file is |
1440 | * a block device */ | |
1441 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1442 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1443 | #endif |
3892182a | 1444 | |
b30d395e | 1445 | if (!stat(f->file_name, &sb)) { |
3892182a | 1446 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1447 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1448 | else if (S_ISCHR(sb.st_mode)) |
1449 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1450 | else if (S_ISFIFO(sb.st_mode)) |
1451 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1452 | } |
1453 | } | |
1454 | ||
1b2a83dc | 1455 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1456 | { |
90426237 | 1457 | struct flist_head *entry; |
1b2a83dc | 1458 | bool ret; |
bcbfeefa | 1459 | |
1b2a83dc JA |
1460 | ret = file_bloom_exists(fname, set); |
1461 | if (!ret) | |
1462 | return ret; | |
90426237 JA |
1463 | |
1464 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1465 | struct file_name *fn; |
90426237 | 1466 | |
04d6530f JA |
1467 | fn = flist_entry(entry, struct file_name, list); |
1468 | ||
1469 | if (!strcmp(fn->filename, fname)) | |
1470 | return true; | |
90426237 JA |
1471 | } |
1472 | ||
04d6530f | 1473 | return false; |
bcbfeefa CE |
1474 | } |
1475 | ||
04d6530f | 1476 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1477 | { |
04d6530f | 1478 | bool ret; |
bcbfeefa | 1479 | |
90426237 | 1480 | fio_file_hash_lock(); |
1b2a83dc | 1481 | ret = __is_already_allocated(fname, false); |
90426237 | 1482 | fio_file_hash_unlock(); |
04d6530f | 1483 | |
90426237 JA |
1484 | return ret; |
1485 | } | |
bcbfeefa | 1486 | |
90426237 JA |
1487 | static void set_already_allocated(const char *fname) |
1488 | { | |
1489 | struct file_name *fn; | |
1490 | ||
1491 | fn = malloc(sizeof(struct file_name)); | |
1492 | fn->filename = strdup(fname); | |
1493 | ||
1494 | fio_file_hash_lock(); | |
1b2a83dc | 1495 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1496 | flist_add_tail(&fn->list, &filename_list); |
1497 | fn = NULL; | |
bcbfeefa | 1498 | } |
90426237 | 1499 | fio_file_hash_unlock(); |
bcbfeefa | 1500 | |
90426237 JA |
1501 | if (fn) { |
1502 | free(fn->filename); | |
1503 | free(fn); | |
1504 | } | |
bcbfeefa CE |
1505 | } |
1506 | ||
190b8f0c CF |
1507 | static void free_already_allocated(void) |
1508 | { | |
bcbfeefa CE |
1509 | struct flist_head *entry, *tmp; |
1510 | struct file_name *fn; | |
1511 | ||
90426237 JA |
1512 | if (flist_empty(&filename_list)) |
1513 | return; | |
1514 | ||
1515 | fio_file_hash_lock(); | |
1516 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1517 | fn = flist_entry(entry, struct file_name, list); | |
1518 | free(fn->filename); | |
1519 | flist_del(&fn->list); | |
1520 | free(fn); | |
bcbfeefa | 1521 | } |
90426237 JA |
1522 | |
1523 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1524 | } |
1525 | ||
7b5cb700 JA |
1526 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1527 | { | |
1528 | struct fio_file *f; | |
1529 | ||
cb9bf647 JB |
1530 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1531 | f = calloc(1, sizeof(*f)); | |
1532 | else | |
e0b3258b | 1533 | f = scalloc(1, sizeof(*f)); |
7b5cb700 | 1534 | if (!f) { |
7b5cb700 JA |
1535 | assert(0); |
1536 | return NULL; | |
1537 | } | |
1538 | ||
1539 | f->fd = -1; | |
1540 | f->shadow_fd = -1; | |
1541 | fio_file_reset(td, f); | |
1542 | return f; | |
1543 | } | |
1544 | ||
04d6530f JA |
1545 | bool exists_and_not_regfile(const char *filename) |
1546 | { | |
1547 | struct stat sb; | |
1548 | ||
1549 | if (lstat(filename, &sb) == -1) | |
1550 | return false; | |
1551 | ||
1552 | #ifndef WIN32 /* NOT Windows */ | |
1553 | if (S_ISREG(sb.st_mode)) | |
1554 | return false; | |
1555 | #else | |
1556 | /* \\.\ is the device namespace in Windows, where every file | |
1557 | * is a device node */ | |
1558 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1559 | return false; | |
1560 | #endif | |
1561 | ||
1562 | return true; | |
1563 | } | |
1564 | ||
5903e7b7 | 1565 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1566 | { |
7b4e4fe5 | 1567 | int cur_files = td->files_index; |
bd0ee748 | 1568 | char file_name[PATH_MAX]; |
af52b345 | 1569 | struct fio_file *f; |
bd0ee748 | 1570 | int len = 0; |
af52b345 | 1571 | |
ee56ad50 JA |
1572 | dprint(FD_FILE, "add file %s\n", fname); |
1573 | ||
bcbfeefa | 1574 | if (td->o.directory) |
922a5be8 JA |
1575 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1576 | td->o.unique_filename); | |
bcbfeefa CE |
1577 | |
1578 | sprintf(file_name + len, "%s", fname); | |
1579 | ||
1580 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1581 | if (numjob && is_already_allocated(file_name) && |
1582 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1583 | return 0; |
1584 | ||
7b5cb700 | 1585 | f = alloc_new_file(td); |
bd0ee748 | 1586 | |
fc99bc0d | 1587 | if (td->files_size <= td->files_index) { |
1983e327 | 1588 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1589 | |
fc99bc0d JA |
1590 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1591 | ||
1592 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1593 | if (td->files == NULL) { |
1594 | log_err("fio: realloc OOM\n"); | |
1595 | assert(0); | |
1596 | } | |
d7df1d13 JA |
1597 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1598 | td->file_locks = realloc(td->file_locks, new_size); | |
1599 | if (!td->file_locks) { | |
1600 | log_err("fio: realloc OOM\n"); | |
1601 | assert(0); | |
1602 | } | |
1603 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1604 | } | |
fc99bc0d JA |
1605 | td->files_size = new_size; |
1606 | } | |
8bb7679e | 1607 | td->files[cur_files] = f; |
89ac1d48 | 1608 | f->fileno = cur_files; |
126d65c6 | 1609 | |
07eb79df JA |
1610 | /* |
1611 | * init function, io engine may not be loaded yet | |
1612 | */ | |
9b87f09b | 1613 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1614 | f->real_file_size = -1ULL; |
1615 | ||
cb9bf647 JB |
1616 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1617 | f->file_name = strdup(file_name); | |
1618 | else | |
1619 | f->file_name = smalloc_strdup(file_name); | |
b2e6494c JA |
1620 | |
1621 | /* can't handle smalloc failure from here */ | |
1622 | assert(f->file_name); | |
0b9d69ec | 1623 | |
e3bab463 | 1624 | get_file_type(f); |
af52b345 | 1625 | |
4d4e80f2 JA |
1626 | switch (td->o.file_lock_mode) { |
1627 | case FILE_LOCK_NONE: | |
1628 | break; | |
1629 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1630 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1631 | break; |
1632 | case FILE_LOCK_EXCLUSIVE: | |
971caeb1 | 1633 | f->lock = fio_sem_init(FIO_SEM_UNLOCKED); |
4d4e80f2 JA |
1634 | break; |
1635 | default: | |
1636 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1637 | assert(0); | |
1638 | } | |
29c1349f | 1639 | |
7b4e4fe5 | 1640 | td->files_index++; |
f29b25a3 | 1641 | |
084a5475 JA |
1642 | if (td->o.numjobs > 1) |
1643 | set_already_allocated(file_name); | |
bcbfeefa | 1644 | |
5903e7b7 JA |
1645 | if (inc) |
1646 | td->o.nr_files++; | |
1647 | ||
5ec10eaa JA |
1648 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1649 | cur_files); | |
9efef3c4 | 1650 | |
f29b25a3 | 1651 | return cur_files; |
af52b345 | 1652 | } |
0ad920e7 | 1653 | |
49ffb4a2 JA |
1654 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1655 | { | |
1656 | struct fio_file *f; | |
1657 | unsigned int i; | |
1658 | ||
1659 | for_each_file(td, f, i) { | |
1660 | if (!strcmp(f->file_name, fname)) | |
1661 | return i; | |
1662 | } | |
1663 | ||
5903e7b7 | 1664 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1665 | } |
1666 | ||
0ad920e7 JA |
1667 | void get_file(struct fio_file *f) |
1668 | { | |
8172fe97 | 1669 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1670 | assert(fio_file_open(f)); |
0ad920e7 JA |
1671 | f->references++; |
1672 | } | |
1673 | ||
6977bcd0 | 1674 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1675 | { |
98e1ac4e | 1676 | int f_ret = 0, ret = 0; |
6977bcd0 | 1677 | |
8172fe97 | 1678 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1679 | |
22a57ba8 JA |
1680 | if (!fio_file_open(f)) { |
1681 | assert(f->fd == -1); | |
6977bcd0 | 1682 | return 0; |
22a57ba8 | 1683 | } |
0ad920e7 JA |
1684 | |
1685 | assert(f->references); | |
1686 | if (--f->references) | |
6977bcd0 | 1687 | return 0; |
0ad920e7 | 1688 | |
230f33fb AK |
1689 | disk_util_dec(f->du); |
1690 | ||
1691 | if (td->o.file_lock_mode != FILE_LOCK_NONE) | |
1692 | unlock_file_all(td, f); | |
1693 | ||
71b84caa | 1694 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1695 | f_ret = fsync(f->fd); |
71b84caa JA |
1696 | if (f_ret < 0) |
1697 | f_ret = errno; | |
1698 | } | |
ebb1415f | 1699 | |
0ad920e7 | 1700 | if (td->io_ops->close_file) |
6977bcd0 | 1701 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1702 | |
98e1ac4e | 1703 | if (!ret) |
a5fb461f | 1704 | ret = f_ret; |
98e1ac4e | 1705 | |
0ad920e7 | 1706 | td->nr_open_files--; |
230f33fb | 1707 | fio_file_clear_closing(f); |
d6aed795 | 1708 | fio_file_clear_open(f); |
22a57ba8 | 1709 | assert(f->fd == -1); |
6977bcd0 | 1710 | return ret; |
0ad920e7 | 1711 | } |
bbf6b540 | 1712 | |
4d4e80f2 | 1713 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1714 | { |
4d4e80f2 JA |
1715 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1716 | return; | |
29c1349f | 1717 | |
4d4e80f2 JA |
1718 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1719 | if (ddir == DDIR_READ) | |
d7df1d13 | 1720 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1721 | else |
d7df1d13 | 1722 | fio_rwlock_write(f->rwlock); |
4d4e80f2 | 1723 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
971caeb1 | 1724 | fio_sem_down(f->lock); |
4d4e80f2 | 1725 | |
d7df1d13 | 1726 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1727 | } |
1728 | ||
4d4e80f2 | 1729 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1730 | { |
4d4e80f2 JA |
1731 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1732 | return; | |
4d4e80f2 | 1733 | |
d7df1d13 JA |
1734 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1735 | fio_rwlock_unlock(f->rwlock); | |
1736 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
971caeb1 | 1737 | fio_sem_up(f->lock); |
d7df1d13 JA |
1738 | |
1739 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1740 | } |
1741 | ||
4d4e80f2 JA |
1742 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1743 | { | |
f2a2803a | 1744 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1745 | return; |
d7df1d13 JA |
1746 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1747 | unlock_file(td, f); | |
4d4e80f2 JA |
1748 | } |
1749 | ||
13bddad9 | 1750 | static bool recurse_dir(struct thread_data *td, const char *dirname) |
bbf6b540 JA |
1751 | { |
1752 | struct dirent *dir; | |
13bddad9 | 1753 | bool ret = false; |
bbf6b540 JA |
1754 | DIR *D; |
1755 | ||
1756 | D = opendir(dirname); | |
1757 | if (!D) { | |
0ddb270c JA |
1758 | char buf[FIO_VERROR_SIZE]; |
1759 | ||
98ffb8f3 | 1760 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1761 | td_verror(td, errno, buf); |
13bddad9 | 1762 | return true; |
bbf6b540 JA |
1763 | } |
1764 | ||
1765 | while ((dir = readdir(D)) != NULL) { | |
1766 | char full_path[PATH_MAX]; | |
1767 | struct stat sb; | |
1768 | ||
e85b2b83 JA |
1769 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1770 | continue; | |
96d32d51 | 1771 | |
53a7af85 | 1772 | sprintf(full_path, "%s%c%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1773 | |
1774 | if (lstat(full_path, &sb) == -1) { | |
1775 | if (errno != ENOENT) { | |
1776 | td_verror(td, errno, "stat"); | |
13bddad9 | 1777 | ret = true; |
68ace9e0 | 1778 | break; |
bbf6b540 JA |
1779 | } |
1780 | } | |
1781 | ||
1782 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1783 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1784 | continue; |
1785 | } | |
0ddb270c JA |
1786 | if (!S_ISDIR(sb.st_mode)) |
1787 | continue; | |
bbf6b540 | 1788 | |
5ec10eaa JA |
1789 | ret = recurse_dir(td, full_path); |
1790 | if (ret) | |
bbf6b540 JA |
1791 | break; |
1792 | } | |
1793 | ||
1794 | closedir(D); | |
1795 | return ret; | |
1796 | } | |
1797 | ||
1798 | int add_dir_files(struct thread_data *td, const char *path) | |
1799 | { | |
0ddb270c JA |
1800 | int ret = recurse_dir(td, path); |
1801 | ||
1802 | if (!ret) | |
1803 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1804 | ||
1805 | return ret; | |
bbf6b540 | 1806 | } |
cade3ef4 JA |
1807 | |
1808 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1809 | { | |
1810 | struct fio_file *f; | |
1811 | unsigned int i; | |
9efef3c4 JA |
1812 | |
1813 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1814 | |
1815 | if (!org->files) | |
1816 | return; | |
1817 | ||
9efef3c4 | 1818 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1819 | |
d7df1d13 JA |
1820 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1821 | td->file_locks = malloc(org->files_index); | |
1822 | ||
9efef3c4 | 1823 | for_each_file(org, f, i) { |
b0fe421a JA |
1824 | struct fio_file *__f; |
1825 | ||
7b5cb700 | 1826 | __f = alloc_new_file(td); |
0b9d69ec | 1827 | |
bc3456fa | 1828 | if (f->file_name) { |
cb9bf647 JB |
1829 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1830 | __f->file_name = strdup(f->file_name); | |
1831 | else | |
1832 | __f->file_name = smalloc_strdup(f->file_name); | |
0b9d69ec | 1833 | |
b2e6494c JA |
1834 | /* can't handle smalloc failure from here */ |
1835 | assert(__f->file_name); | |
bc3456fa AC |
1836 | __f->filetype = f->filetype; |
1837 | } | |
b0fe421a | 1838 | |
67ad9242 JA |
1839 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1840 | __f->lock = f->lock; | |
1841 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1842 | __f->rwlock = f->rwlock; | |
1843 | ||
b0fe421a | 1844 | td->files[i] = __f; |
cade3ef4 JA |
1845 | } |
1846 | } | |
f29b25a3 JA |
1847 | |
1848 | /* | |
1849 | * Returns the index that matches the filename, or -1 if not there | |
1850 | */ | |
1851 | int get_fileno(struct thread_data *td, const char *fname) | |
1852 | { | |
1853 | struct fio_file *f; | |
1854 | unsigned int i; | |
1855 | ||
1856 | for_each_file(td, f, i) | |
1857 | if (!strcmp(f->file_name, fname)) | |
1858 | return i; | |
1859 | ||
1860 | return -1; | |
1861 | } | |
1862 | ||
1863 | /* | |
1864 | * For log usage, where we add/open/close files automatically | |
1865 | */ | |
1866 | void free_release_files(struct thread_data *td) | |
1867 | { | |
1868 | close_files(td); | |
66ee4002 JA |
1869 | td->o.nr_files = 0; |
1870 | td->o.open_files = 0; | |
f29b25a3 | 1871 | td->files_index = 0; |
f29b25a3 | 1872 | } |
33c48814 JA |
1873 | |
1874 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1875 | { | |
f1dfb668 JA |
1876 | int i; |
1877 | ||
1878 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1879 | f->last_pos[i] = f->file_offset; | |
1880 | f->last_start[i] = -1ULL; | |
1881 | } | |
1882 | ||
967d1b63 | 1883 | if (fio_file_axmap(f)) |
33c48814 | 1884 | axmap_reset(f->io_axmap); |
967d1b63 | 1885 | else if (fio_file_lfsr(f)) |
33c48814 | 1886 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
bfbdd35b BVA |
1887 | |
1888 | zbd_file_reset(td, f); | |
33c48814 | 1889 | } |
002fe734 | 1890 | |
747b3105 | 1891 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1892 | { |
1893 | struct fio_file *f; | |
1894 | unsigned int i; | |
1895 | ||
1896 | for_each_file(td, f, i) | |
1897 | if (!fio_file_done(f)) | |
747b3105 | 1898 | return false; |
002fe734 | 1899 | |
747b3105 | 1900 | return true; |
002fe734 | 1901 | } |
bcbfeefa CE |
1902 | |
1903 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1904 | void filesetup_mem_free(void) |
1905 | { | |
bcbfeefa CE |
1906 | free_already_allocated(); |
1907 | } | |
47534cda TK |
1908 | |
1909 | /* | |
1910 | * This function is for platforms which support direct I/O but not O_DIRECT. | |
1911 | */ | |
1912 | int fio_set_directio(struct thread_data *td, struct fio_file *f) | |
1913 | { | |
1914 | #ifdef FIO_OS_DIRECTIO | |
2905de74 | 1915 | int ret = fio_set_odirect(f); |
47534cda TK |
1916 | |
1917 | if (ret) { | |
1918 | td_verror(td, ret, "fio_set_directio"); | |
1919 | #if defined(__sun__) | |
1920 | if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */ | |
1921 | log_err("fio: doing directIO to RAW devices or ZFS not supported\n"); | |
1922 | } else { | |
1923 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1924 | } | |
1925 | #else | |
1926 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1927 | #endif | |
1928 | return -1; | |
1929 | } | |
1930 | ||
1931 | return 0; | |
1932 | #else | |
51102e0d | 1933 | log_err("fio: direct IO is not supported on this host operating system\n"); |
47534cda TK |
1934 | return -1; |
1935 | #endif | |
1936 | } |