Commit | Line | Data |
---|---|---|
53cdc686 JA |
1 | #include <unistd.h> |
2 | #include <fcntl.h> | |
3 | #include <string.h> | |
4 | #include <assert.h> | |
bbf6b540 | 5 | #include <dirent.h> |
d74ac843 | 6 | #include <libgen.h> |
53cdc686 JA |
7 | #include <sys/stat.h> |
8 | #include <sys/mman.h> | |
bbf6b540 | 9 | #include <sys/types.h> |
53cdc686 JA |
10 | |
11 | #include "fio.h" | |
f17c4392 | 12 | #include "smalloc.h" |
4906e0b5 | 13 | #include "filehash.h" |
bcbfeefa | 14 | #include "options.h" |
ecc314ba | 15 | #include "os/os.h" |
2316296a | 16 | #include "hash.h" |
7ebd796f | 17 | #include "lib/axmap.h" |
ae626d4e | 18 | #include "rwlock.h" |
53cdc686 | 19 | |
97ac992c | 20 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
21 | #include <linux/falloc.h> |
22 | #endif | |
23 | ||
bcbfeefa CE |
24 | static FLIST_HEAD(filename_list); |
25 | ||
bf651609 TK |
26 | /* |
27 | * List entry for filename_list | |
28 | */ | |
29 | struct file_name { | |
30 | struct flist_head list; | |
31 | char *filename; | |
32 | }; | |
33 | ||
c592b9fe JA |
34 | static inline void clear_error(struct thread_data *td) |
35 | { | |
36 | td->error = 0; | |
37 | td->verror[0] = '\0'; | |
38 | } | |
39 | ||
c75f74fb | 40 | static int native_fallocate(struct thread_data *td, struct fio_file *f) |
2c3e17be SW |
41 | { |
42 | bool success; | |
43 | ||
44 | success = fio_fallocate(f, 0, f->real_file_size); | |
45 | dprint(FD_FILE, "native fallocate of file %s size %llu was " | |
46 | "%ssuccessful\n", f->file_name, | |
47 | (unsigned long long) f->real_file_size, | |
48 | !success ? "un": ""); | |
49 | ||
50 | if (success) | |
c0aabe37 | 51 | return false; |
2c3e17be SW |
52 | |
53 | if (errno == ENOSYS) | |
54 | dprint(FD_FILE, "native fallocate is not implemented\n"); | |
55 | ||
c0aabe37 | 56 | return true; |
2c3e17be SW |
57 | } |
58 | ||
005eb303 JA |
59 | static void fallocate_file(struct thread_data *td, struct fio_file *f) |
60 | { | |
005eb303 JA |
61 | if (td->o.fill_device) |
62 | return; | |
63 | ||
005eb303 | 64 | switch (td->o.fallocate_mode) { |
2c3e17be | 65 | case FIO_FALLOCATE_NATIVE: |
c0aabe37 | 66 | native_fallocate(td, f); |
2c3e17be | 67 | break; |
005eb303 JA |
68 | case FIO_FALLOCATE_NONE: |
69 | break; | |
2c3e17be | 70 | #ifdef CONFIG_POSIX_FALLOCATE |
52db2dac JA |
71 | case FIO_FALLOCATE_POSIX: { |
72 | int r; | |
73 | ||
005eb303 JA |
74 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", |
75 | f->file_name, | |
76 | (unsigned long long) f->real_file_size); | |
77 | ||
78 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
79 | if (r > 0) | |
80 | log_err("fio: posix_fallocate fails: %s\n", strerror(r)); | |
81 | break; | |
52db2dac | 82 | } |
2c3e17be | 83 | #endif /* CONFIG_POSIX_FALLOCATE */ |
005eb303 | 84 | #ifdef CONFIG_LINUX_FALLOCATE |
52db2dac JA |
85 | case FIO_FALLOCATE_KEEP_SIZE: { |
86 | int r; | |
87 | ||
005eb303 JA |
88 | dprint(FD_FILE, "fallocate(FALLOC_FL_KEEP_SIZE) " |
89 | "file %s size %llu\n", f->file_name, | |
90 | (unsigned long long) f->real_file_size); | |
91 | ||
92 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, f->real_file_size); | |
93 | if (r != 0) | |
94 | td_verror(td, errno, "fallocate"); | |
95 | ||
96 | break; | |
52db2dac | 97 | } |
005eb303 JA |
98 | #endif /* CONFIG_LINUX_FALLOCATE */ |
99 | default: | |
100 | log_err("fio: unknown fallocate mode: %d\n", td->o.fallocate_mode); | |
101 | assert(0); | |
102 | } | |
005eb303 JA |
103 | } |
104 | ||
3baddf24 JA |
105 | /* |
106 | * Leaves f->fd open on success, caller must close | |
107 | */ | |
7bb48f84 | 108 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 109 | { |
005eb303 | 110 | int new_layout = 0, unlink_file = 0, flags; |
25205e97 | 111 | unsigned long long left; |
323876fb | 112 | unsigned int bs; |
f3e1eb23 | 113 | char *b = NULL; |
b2a15192 | 114 | |
4241ea8f JA |
115 | if (read_only) { |
116 | log_err("fio: refusing extend of file due to read-only\n"); | |
117 | return 0; | |
118 | } | |
119 | ||
507a702f JA |
120 | /* |
121 | * check if we need to lay the file out complete again. fio | |
122 | * does that for operations involving reads, or for writes | |
123 | * where overwrite is set | |
124 | */ | |
1417daeb JA |
125 | if (td_read(td) || |
126 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 127 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 128 | new_layout = 1; |
1417daeb | 129 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 130 | unlink_file = 1; |
507a702f | 131 | |
6ae1f57f | 132 | if (unlink_file || new_layout) { |
2442c935 JA |
133 | int ret; |
134 | ||
bd199f2b | 135 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
136 | |
137 | ret = td_io_unlink_file(td, f); | |
138 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
139 | td_verror(td, errno, "unlink"); |
140 | return 1; | |
141 | } | |
142 | } | |
143 | ||
2378826d JA |
144 | flags = O_WRONLY; |
145 | if (td->o.allow_create) | |
146 | flags |= O_CREAT; | |
507a702f JA |
147 | if (new_layout) |
148 | flags |= O_TRUNC; | |
149 | ||
9c0f3f32 BC |
150 | #ifdef WIN32 |
151 | flags |= _O_BINARY; | |
152 | #endif | |
153 | ||
ee56ad50 | 154 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 155 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 156 | if (f->fd < 0) { |
2378826d JA |
157 | int err = errno; |
158 | ||
159 | if (err == ENOENT && !td->o.allow_create) | |
160 | log_err("fio: file creation disallowed by " | |
161 | "allow_file_create=0\n"); | |
323876fb | 162 | else |
2378826d | 163 | td_verror(td, err, "open"); |
53cdc686 JA |
164 | return 1; |
165 | } | |
166 | ||
005eb303 | 167 | fallocate_file(td, f); |
9b836561 | 168 | |
79591fa9 TK |
169 | /* |
170 | * If our jobs don't require regular files initially, we're done. | |
171 | */ | |
fc74ac1d SL |
172 | if (!new_layout) |
173 | goto done; | |
174 | ||
5e0074c2 JA |
175 | /* |
176 | * The size will be -1ULL when fill_device is used, so don't truncate | |
177 | * or fallocate this file, just write it | |
178 | */ | |
179 | if (!td->o.fill_device) { | |
180 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 181 | (unsigned long long) f->real_file_size); |
5e0074c2 | 182 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
183 | if (errno != EFBIG) { |
184 | td_verror(td, errno, "ftruncate"); | |
185 | goto err; | |
186 | } | |
5e0074c2 | 187 | } |
5e0074c2 | 188 | } |
40f8298c | 189 | |
82d8de31 TK |
190 | left = f->real_file_size; |
191 | bs = td->o.max_bs[DDIR_WRITE]; | |
192 | if (bs > left) | |
193 | bs = left; | |
194 | ||
323876fb | 195 | b = malloc(bs); |
84af30a1 | 196 | if (!b) { |
323876fb | 197 | td_verror(td, errno, "malloc"); |
84af30a1 TK |
198 | goto err; |
199 | } | |
53cdc686 | 200 | |
53cdc686 | 201 | while (left && !td->terminate) { |
005eb303 JA |
202 | ssize_t r; |
203 | ||
53cdc686 JA |
204 | if (bs > left) |
205 | bs = left; | |
206 | ||
cc86c395 JA |
207 | fill_io_buffer(td, b, bs, bs); |
208 | ||
53cdc686 JA |
209 | r = write(f->fd, b, bs); |
210 | ||
5e0074c2 JA |
211 | if (r > 0) { |
212 | left -= r; | |
53cdc686 JA |
213 | continue; |
214 | } else { | |
5e0074c2 JA |
215 | if (r < 0) { |
216 | int __e = errno; | |
217 | ||
218 | if (__e == ENOSPC) { | |
219 | if (td->o.fill_device) | |
220 | break; | |
221 | log_info("fio: ENOSPC on laying out " | |
222 | "file, stopping\n"); | |
223 | break; | |
224 | } | |
e1161c32 | 225 | td_verror(td, errno, "write"); |
5e0074c2 | 226 | } else |
e1161c32 | 227 | td_verror(td, EIO, "write"); |
53cdc686 JA |
228 | |
229 | break; | |
230 | } | |
231 | } | |
232 | ||
ffdfabd4 JA |
233 | if (td->terminate) { |
234 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 235 | td_io_unlink_file(td, f); |
ffdfabd4 | 236 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
237 | if (fsync(f->fd) < 0) { |
238 | td_verror(td, errno, "fsync"); | |
239 | goto err; | |
240 | } | |
241 | } | |
0d1cd207 | 242 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 243 | fio_file_clear_size_known(f); |
5e0074c2 JA |
244 | if (td_io_get_file_size(td, f)) |
245 | goto err; | |
246 | if (f->io_size > f->real_file_size) | |
247 | f->io_size = f->real_file_size; | |
248 | } | |
53cdc686 | 249 | |
323876fb | 250 | free(b); |
507a702f | 251 | done: |
53cdc686 JA |
252 | return 0; |
253 | err: | |
254 | close(f->fd); | |
255 | f->fd = -1; | |
f3e1eb23 | 256 | if (b) |
323876fb | 257 | free(b); |
53cdc686 JA |
258 | return 1; |
259 | } | |
260 | ||
c139f3b4 | 261 | static bool pre_read_file(struct thread_data *td, struct fio_file *f) |
afad68f7 | 262 | { |
c139f3b4 | 263 | int r, did_open = 0, old_runstate; |
afad68f7 ZY |
264 | unsigned long long left; |
265 | unsigned int bs; | |
c139f3b4 | 266 | bool ret = true; |
afad68f7 ZY |
267 | char *b; |
268 | ||
736f1188 TK |
269 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
270 | td_ioengine_flagged(td, FIO_NOIO)) | |
c139f3b4 | 271 | return true; |
9c0d2241 | 272 | |
e658078b | 273 | if (f->filetype == FIO_TYPE_CHAR) |
c139f3b4 | 274 | return true; |
e658078b | 275 | |
d6aed795 | 276 | if (!fio_file_open(f)) { |
b0f65863 JA |
277 | if (td->io_ops->open_file(td, f)) { |
278 | log_err("fio: cannot pre-read, failed to open file\n"); | |
c139f3b4 | 279 | return false; |
b0f65863 JA |
280 | } |
281 | did_open = 1; | |
282 | } | |
283 | ||
8edd973d | 284 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 285 | |
82d8de31 | 286 | left = f->io_size; |
afad68f7 | 287 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
288 | if (bs > left) |
289 | bs = left; | |
290 | ||
afad68f7 | 291 | b = malloc(bs); |
84af30a1 TK |
292 | if (!b) { |
293 | td_verror(td, errno, "malloc"); | |
c139f3b4 | 294 | ret = false; |
84af30a1 TK |
295 | goto error; |
296 | } | |
afad68f7 ZY |
297 | memset(b, 0, bs); |
298 | ||
ef799a64 JA |
299 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
300 | td_verror(td, errno, "lseek"); | |
301 | log_err("fio: failed to lseek pre-read file\n"); | |
c139f3b4 | 302 | ret = false; |
ef799a64 JA |
303 | goto error; |
304 | } | |
305 | ||
afad68f7 ZY |
306 | while (left && !td->terminate) { |
307 | if (bs > left) | |
308 | bs = left; | |
309 | ||
310 | r = read(f->fd, b, bs); | |
311 | ||
312 | if (r == (int) bs) { | |
313 | left -= bs; | |
314 | continue; | |
315 | } else { | |
316 | td_verror(td, EIO, "pre_read"); | |
317 | break; | |
318 | } | |
319 | } | |
320 | ||
ef799a64 | 321 | error: |
8edd973d | 322 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
323 | |
324 | if (did_open) | |
325 | td->io_ops->close_file(td, f); | |
ef799a64 | 326 | |
afad68f7 | 327 | free(b); |
ef799a64 | 328 | return ret; |
afad68f7 ZY |
329 | } |
330 | ||
a3f001f5 | 331 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 332 | { |
dc873b6f | 333 | unsigned long long ret, sized; |
c3546b53 | 334 | uint64_t frand_max; |
1294c3ec | 335 | unsigned long r; |
9c60ce64 | 336 | |
c3546b53 | 337 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 338 | r = __rand(&td->file_size_state); |
54a21917 | 339 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 340 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 341 | ret += td->o.file_size_low; |
2dc1bbeb | 342 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
343 | return ret; |
344 | } | |
345 | ||
53cdc686 JA |
346 | static int file_size(struct thread_data *td, struct fio_file *f) |
347 | { | |
348 | struct stat st; | |
349 | ||
df9c26b1 | 350 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
351 | td_verror(td, errno, "fstat"); |
352 | return 1; | |
353 | } | |
53cdc686 | 354 | |
7bb48f84 | 355 | f->real_file_size = st.st_size; |
53cdc686 JA |
356 | return 0; |
357 | } | |
358 | ||
359 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
360 | { | |
9b836561 | 361 | unsigned long long bytes = 0; |
53cdc686 JA |
362 | int r; |
363 | ||
df9c26b1 JA |
364 | if (td->io_ops->open_file(td, f)) { |
365 | log_err("fio: failed opening blockdev %s for size check\n", | |
366 | f->file_name); | |
367 | return 1; | |
368 | } | |
369 | ||
ecc314ba | 370 | r = blockdev_size(f, &bytes); |
53cdc686 | 371 | if (r) { |
e1161c32 | 372 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 373 | goto err; |
53cdc686 JA |
374 | } |
375 | ||
7ab077ab JA |
376 | if (!bytes) { |
377 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 378 | goto err; |
7ab077ab JA |
379 | } |
380 | ||
53cdc686 | 381 | f->real_file_size = bytes; |
22a57ba8 | 382 | td->io_ops->close_file(td, f); |
53cdc686 | 383 | return 0; |
df9c26b1 JA |
384 | err: |
385 | td->io_ops->close_file(td, f); | |
386 | return 1; | |
53cdc686 JA |
387 | } |
388 | ||
4ccdccd1 JA |
389 | static int char_size(struct thread_data *td, struct fio_file *f) |
390 | { | |
391 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 392 | unsigned long long bytes = 0; |
4ccdccd1 JA |
393 | int r; |
394 | ||
395 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 396 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
397 | f->file_name); |
398 | return 1; | |
399 | } | |
400 | ||
ecc314ba | 401 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
402 | if (r) { |
403 | td_verror(td, r, "chardev_size"); | |
404 | goto err; | |
405 | } | |
406 | ||
407 | if (!bytes) { | |
408 | log_err("%s: zero sized char device?\n", f->file_name); | |
409 | goto err; | |
410 | } | |
411 | ||
412 | f->real_file_size = bytes; | |
413 | td->io_ops->close_file(td, f); | |
414 | return 0; | |
415 | err: | |
416 | td->io_ops->close_file(td, f); | |
417 | return 1; | |
418 | #else | |
419 | f->real_file_size = -1ULL; | |
420 | return 0; | |
421 | #endif | |
422 | } | |
423 | ||
53cdc686 JA |
424 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
425 | { | |
426 | int ret = 0; | |
427 | ||
d6aed795 | 428 | if (fio_file_size_known(f)) |
409b3417 JA |
429 | return 0; |
430 | ||
7bb48f84 JA |
431 | if (f->filetype == FIO_TYPE_FILE) |
432 | ret = file_size(td, f); | |
686fbd31 | 433 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 434 | ret = bdev_size(td, f); |
4ccdccd1 JA |
435 | else if (f->filetype == FIO_TYPE_CHAR) |
436 | ret = char_size(td, f); | |
8bd809f5 TK |
437 | else { |
438 | f->real_file_size = -1; | |
439 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
440 | f->file_name); | |
441 | return 1; /* avoid offset extends end error message */ | |
442 | } | |
53cdc686 | 443 | |
79591fa9 TK |
444 | /* |
445 | * Leave ->real_file_size with 0 since it could be expectation | |
446 | * of initial setup for regular files. | |
447 | */ | |
a0cb220b | 448 | if (ret) |
53cdc686 JA |
449 | return ret; |
450 | ||
957c81b9 TK |
451 | /* |
452 | * ->file_offset normally hasn't been initialized yet, so this | |
8bd809f5 TK |
453 | * is basically always false unless ->real_file_size is -1, but |
454 | * if ->real_file_size is -1 this message doesn't make sense. | |
455 | * As a result, this message is basically useless. | |
957c81b9 | 456 | */ |
53cdc686 | 457 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 458 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
459 | (unsigned long long) f->file_offset, |
460 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
461 | return 1; |
462 | } | |
463 | ||
d6aed795 | 464 | fio_file_set_size_known(f); |
53cdc686 JA |
465 | return 0; |
466 | } | |
467 | ||
3baddf24 JA |
468 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
469 | unsigned long long off, | |
470 | unsigned long long len) | |
e5b401d4 | 471 | { |
942a851a | 472 | int errval = 0, ret = 0; |
e5b401d4 | 473 | |
c8931876 JA |
474 | #ifdef CONFIG_ESX |
475 | return 0; | |
476 | #endif | |
477 | ||
5e0074c2 | 478 | if (len == -1ULL) |
3baddf24 JA |
479 | len = f->io_size; |
480 | if (off == -1ULL) | |
481 | off = f->file_offset; | |
ee56ad50 | 482 | |
0d1cd207 JA |
483 | if (len == -1ULL || off == -1ULL) |
484 | return 0; | |
485 | ||
942a851a | 486 | if (td->io_ops->invalidate) { |
4499dbef TK |
487 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
488 | f->file_name); | |
d9b100fc | 489 | ret = td->io_ops->invalidate(td, f); |
942a851a | 490 | if (ret < 0) |
afd118db | 491 | errval = -ret; |
4e18b4d9 SW |
492 | } else if (td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
493 | dprint(FD_IO, "invalidate not supported by ioengine %s\n", | |
494 | td->io_ops->name); | |
495 | ret = 0; | |
942a851a | 496 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
497 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
498 | f->file_name, off, len); | |
ecc314ba | 499 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 500 | if (ret) |
942a851a | 501 | errval = ret; |
686fbd31 | 502 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
503 | int retry_count = 0; |
504 | ||
4499dbef | 505 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 506 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
507 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
508 | /* | |
509 | * Linux multipath devices reject ioctl while | |
510 | * the maps are being updated. That window can | |
511 | * last tens of milliseconds; we'll try up to | |
512 | * a quarter of a second. | |
513 | */ | |
514 | usleep(10000); | |
515 | ret = blockdev_invalidate_cache(f); | |
516 | } | |
7e0e25c9 | 517 | if (ret < 0 && errno == EACCES && geteuid()) { |
5bdc4522 | 518 | if (!fio_did_warn(FIO_WARN_ROOT_FLUSH)) { |
5ec10eaa JA |
519 | log_err("fio: only root may flush block " |
520 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 | 521 | } |
7e0e25c9 JA |
522 | ret = 0; |
523 | } | |
942a851a JA |
524 | if (ret < 0) |
525 | errval = errno; | |
4499dbef TK |
526 | } else if (f->filetype == FIO_TYPE_CHAR || |
527 | f->filetype == FIO_TYPE_PIPE) { | |
528 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
e5b401d4 | 529 | ret = 0; |
4499dbef | 530 | } |
e5b401d4 | 531 | |
dfe11fd1 JA |
532 | /* |
533 | * Cache flushing isn't a fatal condition, and we know it will | |
534 | * happen on some platforms where we don't have the proper | |
535 | * function to flush eg block device caches. So just warn and | |
536 | * continue on our way. | |
537 | */ | |
942a851a | 538 | if (errval) |
22de5d77 TK |
539 | log_info("fio: cache invalidation of %s failed: %s\n", |
540 | f->file_name, strerror(errval)); | |
e5b401d4 | 541 | |
dfe11fd1 | 542 | return 0; |
3baddf24 JA |
543 | |
544 | } | |
545 | ||
546 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
547 | { | |
d6aed795 | 548 | if (!fio_file_open(f)) |
a5fb461f JA |
549 | return 0; |
550 | ||
5e0074c2 | 551 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
552 | } |
553 | ||
6977bcd0 | 554 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 555 | { |
6977bcd0 JA |
556 | int ret = 0; |
557 | ||
ee56ad50 | 558 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
559 | |
560 | remove_file_hash(f); | |
561 | ||
6977bcd0 JA |
562 | if (close(f->fd) < 0) |
563 | ret = errno; | |
564 | ||
b5af8293 | 565 | f->fd = -1; |
e6c4d732 JA |
566 | |
567 | if (f->shadow_fd != -1) { | |
568 | close(f->shadow_fd); | |
569 | f->shadow_fd = -1; | |
570 | } | |
571 | ||
710bf9c5 | 572 | f->engine_pos = 0; |
6977bcd0 | 573 | return ret; |
53cdc686 JA |
574 | } |
575 | ||
1ccc6dc7 | 576 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 577 | { |
29c1349f | 578 | struct fio_file *__f; |
4d4e80f2 JA |
579 | int from_hash; |
580 | ||
581 | __f = lookup_file_hash(f->file_name); | |
582 | if (__f) { | |
9efef3c4 | 583 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 584 | f->lock = __f->lock; |
4d4e80f2 JA |
585 | from_hash = 1; |
586 | } else { | |
9efef3c4 | 587 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
588 | from_hash = 0; |
589 | } | |
590 | ||
9c0f3f32 BC |
591 | #ifdef WIN32 |
592 | flags |= _O_BINARY; | |
593 | #endif | |
594 | ||
e8670ef8 | 595 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
596 | return from_hash; |
597 | } | |
598 | ||
e6c4d732 JA |
599 | static int file_close_shadow_fds(struct thread_data *td) |
600 | { | |
601 | struct fio_file *f; | |
602 | int num_closed = 0; | |
603 | unsigned int i; | |
604 | ||
605 | for_each_file(td, f, i) { | |
606 | if (f->shadow_fd == -1) | |
607 | continue; | |
608 | ||
609 | close(f->shadow_fd); | |
610 | f->shadow_fd = -1; | |
611 | num_closed++; | |
612 | } | |
613 | ||
614 | return num_closed; | |
615 | } | |
616 | ||
4d4e80f2 JA |
617 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
618 | { | |
66159828 | 619 | int is_std = 0; |
53cdc686 | 620 | int flags = 0; |
29c1349f | 621 | int from_hash = 0; |
53cdc686 | 622 | |
ee56ad50 JA |
623 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
624 | ||
66159828 JA |
625 | if (!strcmp(f->file_name, "-")) { |
626 | if (td_rw(td)) { | |
627 | log_err("fio: can't read/write to stdin/out\n"); | |
628 | return 1; | |
629 | } | |
630 | is_std = 1; | |
ce98fa66 JA |
631 | |
632 | /* | |
633 | * move output logging to stderr, if we are writing to stdout | |
634 | */ | |
635 | if (td_write(td)) | |
636 | f_out = stderr; | |
66159828 JA |
637 | } |
638 | ||
6eaf09d6 SL |
639 | if (td_trim(td)) |
640 | goto skip_flags; | |
2dc1bbeb | 641 | if (td->o.odirect) |
2fd233b7 | 642 | flags |= OS_O_DIRECT; |
d01612f3 CM |
643 | if (td->o.oatomic) { |
644 | if (!FIO_O_ATOMIC) { | |
645 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
646 | return 1; | |
647 | } | |
648 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
649 | } | |
2dc1bbeb | 650 | if (td->o.sync_io) |
2fd233b7 | 651 | flags |= O_SYNC; |
2378826d | 652 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 653 | flags |= O_CREAT; |
6eaf09d6 SL |
654 | skip_flags: |
655 | if (f->filetype != FIO_TYPE_FILE) | |
656 | flags |= FIO_O_NOATIME; | |
53cdc686 | 657 | |
056f3459 | 658 | open_again: |
660a1cb5 | 659 | if (td_write(td)) { |
17308158 JA |
660 | if (!read_only) |
661 | flags |= O_RDWR; | |
53cdc686 | 662 | |
2378826d | 663 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 664 | flags |= O_CREAT; |
2fd233b7 | 665 | |
66159828 JA |
666 | if (is_std) |
667 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
668 | else |
669 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 670 | } else if (td_read(td)) { |
4241ea8f | 671 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
672 | flags |= O_RDWR; |
673 | else | |
674 | flags |= O_RDONLY; | |
675 | ||
66159828 JA |
676 | if (is_std) |
677 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
678 | else |
679 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
680 | } else if (td_trim(td)) { |
681 | assert(!td_rw(td)); /* should have matched above */ | |
6eaf09d6 SL |
682 | flags |= O_RDWR; |
683 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
684 | } |
685 | ||
686 | if (f->fd == -1) { | |
e4e33258 | 687 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
688 | int __e = errno; |
689 | ||
835d9b9e | 690 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 691 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
692 | goto open_again; |
693 | } | |
e6c4d732 JA |
694 | if (__e == EMFILE && file_close_shadow_fds(td)) |
695 | goto open_again; | |
056f3459 | 696 | |
98ffb8f3 | 697 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 698 | |
a93c5f04 JA |
699 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
700 | log_err("fio: looks like your file system does not " \ | |
701 | "support direct=1/buffered=0\n"); | |
702 | } | |
703 | ||
e4e33258 | 704 | td_verror(td, __e, buf); |
3ce3ad33 | 705 | return 1; |
53cdc686 JA |
706 | } |
707 | ||
29c1349f JA |
708 | if (!from_hash && f->fd != -1) { |
709 | if (add_file_hash(f)) { | |
3f0ca9b9 | 710 | int fio_unused ret; |
29c1349f JA |
711 | |
712 | /* | |
e6c4d732 JA |
713 | * Stash away descriptor for later close. This is to |
714 | * work-around a "feature" on Linux, where a close of | |
715 | * an fd that has been opened for write will trigger | |
716 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 717 | * That pollutes the device cache, which can slow down |
e6c4d732 | 718 | * unbuffered accesses. |
29c1349f | 719 | */ |
e6c4d732 JA |
720 | if (f->shadow_fd == -1) |
721 | f->shadow_fd = f->fd; | |
722 | else { | |
723 | /* | |
724 | * OK to ignore, we haven't done anything | |
725 | * with it | |
726 | */ | |
727 | ret = generic_close_file(td, f); | |
728 | } | |
29c1349f JA |
729 | goto open_again; |
730 | } | |
731 | } | |
4906e0b5 | 732 | |
53cdc686 | 733 | return 0; |
b5af8293 JA |
734 | } |
735 | ||
79591fa9 TK |
736 | /* |
737 | * This function i.e. get_file_size() is the default .get_file_size | |
738 | * implementation of majority of I/O engines. | |
739 | */ | |
df9c26b1 | 740 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 741 | { |
df9c26b1 | 742 | return get_file_size(td, f); |
21972cde JA |
743 | } |
744 | ||
7bb48f84 JA |
745 | /* |
746 | * open/close all files, so that ->real_file_size gets set | |
747 | */ | |
bab3fd58 | 748 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
749 | { |
750 | struct fio_file *f; | |
751 | unsigned int i; | |
bab3fd58 | 752 | int err = 0; |
7bb48f84 JA |
753 | |
754 | for_each_file(td, f, i) { | |
08c44a55 | 755 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 756 | f->file_name); |
9efef3c4 | 757 | |
99a47c69 | 758 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
759 | if (td->error != ENOENT) { |
760 | log_err("%s\n", td->verror); | |
761 | err = 1; | |
3ce3ad33 | 762 | break; |
40b44f4a | 763 | } |
541d66d7 | 764 | clear_error(td); |
07eb79df | 765 | } |
409b3417 | 766 | |
79591fa9 TK |
767 | /* |
768 | * There are corner cases where we end up with -1 for | |
769 | * ->real_file_size due to unsupported file type, etc. | |
770 | * We then just set to size option value divided by number | |
771 | * of files, similar to the way file ->io_size is set. | |
772 | * stat(2) failure doesn't set ->real_file_size to -1. | |
773 | */ | |
409b3417 JA |
774 | if (f->real_file_size == -1ULL && td->o.size) |
775 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 776 | } |
bab3fd58 JA |
777 | |
778 | return err; | |
7bb48f84 JA |
779 | } |
780 | ||
2e3bd4c2 JA |
781 | struct fio_mount { |
782 | struct flist_head list; | |
783 | const char *base; | |
784 | char __base[256]; | |
785 | unsigned int key; | |
786 | }; | |
787 | ||
788 | /* | |
789 | * Get free number of bytes for each file on each unique mount. | |
790 | */ | |
791 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
792 | { | |
793 | struct flist_head *n, *tmp; | |
68b0316f | 794 | unsigned long long ret = 0; |
2e3bd4c2 JA |
795 | struct fio_mount *fm; |
796 | FLIST_HEAD(list); | |
797 | struct fio_file *f; | |
798 | unsigned int i; | |
799 | ||
800 | for_each_file(td, f, i) { | |
801 | struct stat sb; | |
802 | char buf[256]; | |
803 | ||
686fbd31 | 804 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
805 | if (f->real_file_size != -1ULL) |
806 | ret += f->real_file_size; | |
68b0316f JA |
807 | continue; |
808 | } else if (f->filetype != FIO_TYPE_FILE) | |
809 | continue; | |
810 | ||
da27a4bf JA |
811 | buf[255] = '\0'; |
812 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
813 | |
814 | if (stat(buf, &sb) < 0) { | |
815 | if (errno != ENOENT) | |
816 | break; | |
817 | strcpy(buf, "."); | |
818 | if (stat(buf, &sb) < 0) | |
819 | break; | |
820 | } | |
821 | ||
822 | fm = NULL; | |
823 | flist_for_each(n, &list) { | |
824 | fm = flist_entry(n, struct fio_mount, list); | |
825 | if (fm->key == sb.st_dev) | |
826 | break; | |
827 | ||
828 | fm = NULL; | |
829 | } | |
830 | ||
831 | if (fm) | |
832 | continue; | |
833 | ||
3660ceae JA |
834 | fm = calloc(1, sizeof(*fm)); |
835 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
836 | fm->base = basename(fm->__base); |
837 | fm->key = sb.st_dev; | |
838 | flist_add(&fm->list, &list); | |
839 | } | |
840 | ||
2e3bd4c2 JA |
841 | flist_for_each_safe(n, tmp, &list) { |
842 | unsigned long long sz; | |
843 | ||
844 | fm = flist_entry(n, struct fio_mount, list); | |
845 | flist_del(&fm->list); | |
846 | ||
c08ad04c | 847 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
848 | if (sz && sz != -1ULL) |
849 | ret += sz; | |
850 | ||
851 | free(fm); | |
852 | } | |
853 | ||
854 | return ret; | |
855 | } | |
856 | ||
bedc9dc2 | 857 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 858 | { |
bedc9dc2 | 859 | struct thread_options *o = &td->o; |
872e0415 JA |
860 | unsigned long long align_bs; |
861 | unsigned long long offset; | |
bedc9dc2 JA |
862 | |
863 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
864 | return f->real_file_size; | |
865 | ||
89978a6b | 866 | if (o->start_offset_percent > 0) { |
872e0415 | 867 | /* |
83c8b093 | 868 | * if offset_align is provided, set initial offset |
872e0415 | 869 | */ |
83c8b093 JF |
870 | if (fio_option_is_set(o, start_offset_align)) { |
871 | align_bs = o->start_offset_align; | |
872e0415 JA |
872 | } else { |
873 | /* else take the minimum block size */ | |
89978a6b BW |
874 | align_bs = td_min_bs(td); |
875 | } | |
876 | ||
877 | /* calculate the raw offset */ | |
878 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
879 | (td->subjob_number * o->offset_increment); | |
880 | ||
872e0415 JA |
881 | /* |
882 | * block align the offset at the next available boundary at | |
883 | * ceiling(offset / align_bs) * align_bs | |
884 | */ | |
89978a6b BW |
885 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
886 | ||
872e0415 JA |
887 | } else { |
888 | /* start_offset_percent not set */ | |
f0d13935 JA |
889 | offset = o->start_offset + |
890 | td->subjob_number * o->offset_increment; | |
89978a6b | 891 | } |
872e0415 | 892 | |
89978a6b | 893 | return offset; |
ce95d651 DE |
894 | } |
895 | ||
7bb48f84 JA |
896 | /* |
897 | * Open the files and setup files sizes, creating files if necessary. | |
898 | */ | |
53cdc686 JA |
899 | int setup_files(struct thread_data *td) |
900 | { | |
7bb48f84 | 901 | unsigned long long total_size, extend_size; |
de98bd30 | 902 | struct thread_options *o = &td->o; |
53cdc686 | 903 | struct fio_file *f; |
002fe734 | 904 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 905 | int err = 0, need_extend; |
e90391eb | 906 | int old_state; |
002fe734 JA |
907 | const unsigned int bs = td_min_bs(td); |
908 | uint64_t fs = 0; | |
53cdc686 | 909 | |
ee56ad50 JA |
910 | dprint(FD_FILE, "setup files\n"); |
911 | ||
8edd973d | 912 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 913 | |
de98bd30 | 914 | if (o->read_iolog_file) |
25460cf6 | 915 | goto done; |
691c8fb0 | 916 | |
53cdc686 | 917 | /* |
79591fa9 TK |
918 | * Find out physical size of files or devices for this thread, |
919 | * before we determine I/O size and range of our targets. | |
920 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
921 | * opening the files and setting f->real_file_size to indicate |
922 | * the valid range for that file. | |
53cdc686 JA |
923 | */ |
924 | if (td->io_ops->setup) | |
7bb48f84 JA |
925 | err = td->io_ops->setup(td); |
926 | else | |
bab3fd58 | 927 | err = get_file_sizes(td); |
53cdc686 | 928 | |
f1027063 | 929 | if (err) |
e90391eb | 930 | goto err_out; |
f1027063 | 931 | |
0a7eb121 | 932 | /* |
7bb48f84 JA |
933 | * check sizes. if the files/devices do not exist and the size |
934 | * isn't passed to fio, abort. | |
0a7eb121 | 935 | */ |
7bb48f84 JA |
936 | total_size = 0; |
937 | for_each_file(td, f, i) { | |
49a416bd | 938 | f->fileno = i; |
7bb48f84 JA |
939 | if (f->real_file_size == -1ULL) |
940 | total_size = -1ULL; | |
941 | else | |
942 | total_size += f->real_file_size; | |
943 | } | |
0a7eb121 | 944 | |
de98bd30 | 945 | if (o->fill_device) |
2e3bd4c2 JA |
946 | td->fill_device_size = get_fs_free_counts(td); |
947 | ||
7bb48f84 JA |
948 | /* |
949 | * device/file sizes are zero and no size given, punt | |
950 | */ | |
de98bd30 | 951 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 952 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
953 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
954 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 955 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 956 | goto err_out; |
53cdc686 JA |
957 | } |
958 | ||
002fe734 JA |
959 | /* |
960 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 961 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 962 | */ |
d1e78e6b | 963 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
964 | uint64_t all_fs; |
965 | ||
966 | fs = o->size / o->nr_files; | |
967 | all_fs = fs * o->nr_files; | |
968 | ||
969 | if (all_fs < o->size) | |
970 | nr_fs_extra = (o->size - all_fs) / bs; | |
971 | } | |
972 | ||
7bb48f84 JA |
973 | /* |
974 | * now file sizes are known, so we can set ->io_size. if size= is | |
975 | * not given, ->io_size is just equal to ->real_file_size. if size | |
976 | * is given, ->io_size is size / nr_files. | |
977 | */ | |
978 | extend_size = total_size = 0; | |
979 | need_extend = 0; | |
980 | for_each_file(td, f, i) { | |
bedc9dc2 | 981 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 982 | |
79591fa9 TK |
983 | /* |
984 | * Update ->io_size depending on options specified. | |
985 | * ->file_size_low being 0 means filesize option isn't set. | |
986 | * Non zero ->file_size_low equals ->file_size_high means | |
987 | * filesize option is set in a fixed size format. | |
988 | * Non zero ->file_size_low not equals ->file_size_high means | |
989 | * filesize option is set in a range format. | |
990 | */ | |
de98bd30 | 991 | if (!o->file_size_low) { |
7bb48f84 | 992 | /* |
79591fa9 | 993 | * no file size or range given, file size is equal to |
c4aa2d08 | 994 | * total size divided by number of files. If the size |
002fe734 JA |
995 | * doesn't divide nicely with the min blocksize, |
996 | * make the first files bigger. | |
7bb48f84 | 997 | */ |
002fe734 JA |
998 | f->io_size = fs; |
999 | if (nr_fs_extra) { | |
1000 | nr_fs_extra--; | |
1001 | f->io_size += bs; | |
1002 | } | |
1003 | ||
c4aa2d08 | 1004 | /* |
c6dfd837 TK |
1005 | * We normally don't come here for regular files, but |
1006 | * if the result is 0 for a regular file, set it to the | |
1007 | * real file size. This could be size of the existing | |
1008 | * one if it already exists, but otherwise will be set | |
1009 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
1010 | * ->io_size + ->file_offset equals ->real_file_size. |
1011 | */ | |
1012 | if (!f->io_size) { | |
1013 | if (f->file_offset > f->real_file_size) | |
1014 | goto err_offset; | |
273f8c91 | 1015 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
1016 | if (!f->io_size) |
1017 | log_info("fio: file %s may be ignored\n", | |
1018 | f->file_name); | |
1019 | } | |
de98bd30 JA |
1020 | } else if (f->real_file_size < o->file_size_low || |
1021 | f->real_file_size > o->file_size_high) { | |
1022 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1023 | goto err_offset; |
7bb48f84 JA |
1024 | /* |
1025 | * file size given. if it's fixed, use that. if it's a | |
1026 | * range, generate a random size in-between. | |
1027 | */ | |
de98bd30 JA |
1028 | if (o->file_size_low == o->file_size_high) |
1029 | f->io_size = o->file_size_low - f->file_offset; | |
1030 | else { | |
5ec10eaa JA |
1031 | f->io_size = get_rand_file_size(td) |
1032 | - f->file_offset; | |
1033 | } | |
65bdb10a | 1034 | } else |
bcdedd0a | 1035 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1036 | |
7bb48f84 JA |
1037 | if (f->io_size == -1ULL) |
1038 | total_size = -1ULL; | |
4d002569 | 1039 | else { |
408874da | 1040 | if (o->size_percent && o->size_percent != 100) { |
76e4bb4f SW |
1041 | uint64_t file_size; |
1042 | ||
1043 | file_size = f->io_size + f->file_offset; | |
1044 | f->io_size = (file_size * | |
1045 | o->size_percent) / 100; | |
1046 | if (f->io_size > (file_size - f->file_offset)) | |
1047 | f->io_size = file_size - f->file_offset; | |
1048 | ||
e391c704 JA |
1049 | f->io_size -= (f->io_size % td_min_bs(td)); |
1050 | } | |
7bb48f84 | 1051 | total_size += f->io_size; |
4d002569 | 1052 | } |
7bb48f84 JA |
1053 | |
1054 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 1055 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 1056 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
1057 | if (!o->create_on_open) { |
1058 | need_extend++; | |
814452bd | 1059 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1060 | fio_file_set_extend(f); |
5fd31680 | 1061 | } else |
814452bd | 1062 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1063 | } |
7bb48f84 | 1064 | } |
53cdc686 | 1065 | |
66347cfa DE |
1066 | if (td->o.block_error_hist) { |
1067 | int len; | |
1068 | ||
1069 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1070 | f = td->files[0]; | |
1071 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1072 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1073 | log_err("fio: cannot calculate block histogram with " | |
1074 | "%d trim blocks, maximum %d\n", | |
1075 | len, MAX_NR_BLOCK_INFOS); | |
1076 | td_verror(td, EINVAL, "block_error_hist"); | |
1077 | goto err_out; | |
1078 | } | |
1079 | ||
1080 | td->ts.nr_block_infos = len; | |
8a68c41c | 1081 | for (i = 0; i < len; i++) |
66347cfa DE |
1082 | td->ts.block_infos[i] = |
1083 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1084 | } else | |
1085 | td->ts.nr_block_infos = 0; | |
1086 | ||
0bc27b0b | 1087 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1088 | o->size = total_size; |
21972cde | 1089 | |
d1faa06d JA |
1090 | if (o->size < td_min_bs(td)) { |
1091 | log_err("fio: blocksize too large for data set\n"); | |
1092 | goto err_out; | |
1093 | } | |
1094 | ||
7bb48f84 | 1095 | /* |
79591fa9 TK |
1096 | * See if we need to extend some files, typically needed when our |
1097 | * target regular files don't exist yet, but our jobs require them | |
1098 | * initially due to read I/Os. | |
7bb48f84 JA |
1099 | */ |
1100 | if (need_extend) { | |
1101 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1102 | if (output_format & FIO_OUTPUT_NORMAL) { |
1103 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1104 | o->name, | |
1105 | need_extend > 1 ? "s" : "", | |
1106 | need_extend, | |
1107 | need_extend > 1 ? "s" : "", | |
1108 | need_extend > 1 ? "total " : "", | |
1109 | extend_size >> 20); | |
1110 | } | |
7bb48f84 JA |
1111 | |
1112 | for_each_file(td, f, i) { | |
5e0074c2 | 1113 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1114 | |
d6aed795 | 1115 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1116 | continue; |
1117 | ||
409b3417 | 1118 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1119 | fio_file_clear_extend(f); |
de98bd30 | 1120 | if (!o->fill_device) { |
5e0074c2 | 1121 | old_len = f->real_file_size; |
0b9d69ec JA |
1122 | extend_len = f->io_size + f->file_offset - |
1123 | old_len; | |
5e0074c2 | 1124 | } |
bcdedd0a | 1125 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1126 | err = extend_file(td, f); |
1127 | if (err) | |
3baddf24 | 1128 | break; |
5e0074c2 | 1129 | |
3baddf24 JA |
1130 | err = __file_invalidate_cache(td, f, old_len, |
1131 | extend_len); | |
9824f73b JA |
1132 | |
1133 | /* | |
1134 | * Shut up static checker | |
1135 | */ | |
1136 | if (f->fd != -1) | |
1137 | close(f->fd); | |
1138 | ||
3baddf24 JA |
1139 | f->fd = -1; |
1140 | if (err) | |
7bb48f84 JA |
1141 | break; |
1142 | } | |
1143 | temp_stall_ts = 0; | |
1144 | } | |
1145 | ||
1146 | if (err) | |
e90391eb | 1147 | goto err_out; |
7bb48f84 | 1148 | |
de98bd30 JA |
1149 | if (!o->zone_size) |
1150 | o->zone_size = o->size; | |
7bb48f84 | 1151 | |
ea966f81 JA |
1152 | /* |
1153 | * iolog already set the total io size, if we read back | |
1154 | * stored entries. | |
1155 | */ | |
77731b29 | 1156 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1157 | if (o->io_size) |
1158 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1159 | else |
1160 | td->total_io_size = o->size * o->loops; | |
1161 | } | |
25460cf6 JA |
1162 | |
1163 | done: | |
de98bd30 | 1164 | if (o->create_only) |
25460cf6 JA |
1165 | td->done = 1; |
1166 | ||
8edd973d | 1167 | td_restore_runstate(td, old_state); |
7bb48f84 | 1168 | return 0; |
bcdedd0a | 1169 | err_offset: |
de98bd30 | 1170 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1171 | err_out: |
8edd973d | 1172 | td_restore_runstate(td, old_state); |
bcdedd0a | 1173 | return 1; |
53cdc686 JA |
1174 | } |
1175 | ||
c139f3b4 | 1176 | bool pre_read_files(struct thread_data *td) |
afad68f7 ZY |
1177 | { |
1178 | struct fio_file *f; | |
1179 | unsigned int i; | |
1180 | ||
1181 | dprint(FD_FILE, "pre_read files\n"); | |
1182 | ||
1183 | for_each_file(td, f, i) { | |
c139f3b4 JA |
1184 | if (!pre_read_file(td, f)) |
1185 | return false; | |
afad68f7 ZY |
1186 | } |
1187 | ||
c139f3b4 | 1188 | return true; |
afad68f7 ZY |
1189 | } |
1190 | ||
3a03f0cf | 1191 | static void __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
9c6f6316 | 1192 | { |
2316296a | 1193 | unsigned int range_size, seed; |
9c6f6316 | 1194 | unsigned long nranges; |
42da5c8b | 1195 | uint64_t fsize; |
9c6f6316 JA |
1196 | |
1197 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1198 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1199 | |
42da5c8b | 1200 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1201 | |
2316296a | 1202 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1203 | if (!td->o.rand_repeatable) |
1204 | seed = td->rand_seeds[4]; | |
1205 | ||
9c6f6316 | 1206 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1207 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1208 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1209 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1210 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1211 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1212 | } |
1213 | ||
4d832322 | 1214 | static bool init_rand_distribution(struct thread_data *td) |
9c6f6316 JA |
1215 | { |
1216 | struct fio_file *f; | |
1217 | unsigned int i; | |
1218 | int state; | |
1219 | ||
1220 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
4d832322 | 1221 | return false; |
9c6f6316 | 1222 | |
8edd973d JA |
1223 | state = td_bump_runstate(td, TD_SETTING_UP); |
1224 | ||
9c6f6316 JA |
1225 | for_each_file(td, f, i) |
1226 | __init_rand_distribution(td, f); | |
8edd973d JA |
1227 | |
1228 | td_restore_runstate(td, state); | |
4d832322 | 1229 | return true; |
9c6f6316 JA |
1230 | } |
1231 | ||
75f90d5f JA |
1232 | /* |
1233 | * Check if the number of blocks exceeds the randomness capability of | |
1234 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1235 | * 64-bit capable. | |
1236 | */ | |
1237 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1238 | uint64_t blocks) | |
1239 | { | |
1240 | if (blocks <= FRAND32_MAX) | |
1241 | return 0; | |
1242 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1243 | return 0; | |
1244 | ||
1245 | /* | |
1246 | * If the user hasn't specified a random generator, switch | |
1247 | * to tausworthe64 with informational warning. If the user did | |
1248 | * specify one, just warn. | |
1249 | */ | |
1250 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1251 | f->file_name); | |
1252 | ||
1253 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1254 | log_info("fio: Switching to tausworthe64. Use the " | |
1255 | "random_generator= option to get rid of this " | |
4e795a3e | 1256 | "warning.\n"); |
75f90d5f JA |
1257 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | /* | |
1262 | * Just make this information to avoid breaking scripts. | |
1263 | */ | |
1264 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1265 | "tausworthe64.\n"); | |
1266 | return 0; | |
1267 | } | |
1268 | ||
4d832322 | 1269 | bool init_random_map(struct thread_data *td) |
68727076 | 1270 | { |
51ede0b1 | 1271 | unsigned long long blocks; |
68727076 JA |
1272 | struct fio_file *f; |
1273 | unsigned int i; | |
1274 | ||
9c6f6316 | 1275 | if (init_rand_distribution(td)) |
4d832322 | 1276 | return true; |
3831a843 | 1277 | if (!td_random(td)) |
4d832322 | 1278 | return true; |
68727076 JA |
1279 | |
1280 | for_each_file(td, f, i) { | |
42da5c8b | 1281 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1282 | |
42da5c8b | 1283 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1284 | |
75f90d5f | 1285 | if (check_rand_gen_limits(td, f, blocks)) |
4d832322 | 1286 | return false; |
37fbd7e9 | 1287 | |
8055e41d | 1288 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1289 | unsigned long seed; |
1290 | ||
1291 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1292 | |
967d1b63 JA |
1293 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1294 | fio_file_set_lfsr(f); | |
8055e41d | 1295 | continue; |
967d1b63 | 1296 | } |
3831a843 | 1297 | } else if (!td->o.norandommap) { |
7ebd796f | 1298 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1299 | if (f->io_axmap) { |
1300 | fio_file_set_axmap(f); | |
8055e41d | 1301 | continue; |
967d1b63 | 1302 | } |
1cad7121 JA |
1303 | } else if (td->o.norandommap) |
1304 | continue; | |
ceadd59e | 1305 | |
2b386d25 | 1306 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1307 | log_err("fio: failed allocating random map. If running" |
1308 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1309 | " option or set 'softrandommap'. Or give" |
1310 | " a larger --alloc-size to fio.\n"); | |
4d832322 | 1311 | return false; |
68727076 | 1312 | } |
303032ae JA |
1313 | |
1314 | log_info("fio: file %s failed allocating random map. Running " | |
1315 | "job without.\n", f->file_name); | |
68727076 JA |
1316 | } |
1317 | ||
4d832322 | 1318 | return true; |
68727076 JA |
1319 | } |
1320 | ||
53cdc686 JA |
1321 | void close_files(struct thread_data *td) |
1322 | { | |
0ab8db89 | 1323 | struct fio_file *f; |
af52b345 | 1324 | unsigned int i; |
53cdc686 | 1325 | |
2be3eec3 JA |
1326 | for_each_file(td, f, i) { |
1327 | if (fio_file_open(f)) | |
1328 | td_io_close_file(td, f); | |
1329 | } | |
24ffd2c2 JA |
1330 | } |
1331 | ||
1332 | void close_and_free_files(struct thread_data *td) | |
1333 | { | |
1334 | struct fio_file *f; | |
1335 | unsigned int i; | |
cb9bf647 | 1336 | bool use_free = td_ioengine_flagged(td, FIO_NOFILEHASH); |
24ffd2c2 | 1337 | |
ee56ad50 JA |
1338 | dprint(FD_FILE, "close files\n"); |
1339 | ||
0ab8db89 | 1340 | for_each_file(td, f, i) { |
38ef9c90 CF |
1341 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1342 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1343 | td_io_unlink_file(td, f); | |
1344 | } | |
1345 | ||
22a57ba8 JA |
1346 | if (fio_file_open(f)) |
1347 | td_io_close_file(td, f); | |
1348 | ||
b9fbcf21 | 1349 | remove_file_hash(f); |
b3dc7f07 | 1350 | |
b5f4d8ba JA |
1351 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1352 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1353 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1354 | } |
1355 | ||
cb9bf647 JB |
1356 | if (use_free) |
1357 | free(f->file_name); | |
1358 | else | |
1359 | sfree(f->file_name); | |
fa1da865 | 1360 | f->file_name = NULL; |
967d1b63 JA |
1361 | if (fio_file_axmap(f)) { |
1362 | axmap_free(f->io_axmap); | |
1363 | f->io_axmap = NULL; | |
1364 | } | |
cb9bf647 JB |
1365 | if (use_free) |
1366 | free(f); | |
1367 | else | |
1368 | sfree(f); | |
53cdc686 | 1369 | } |
b4a6a59a | 1370 | |
2dc1bbeb | 1371 | td->o.filename = NULL; |
cade3ef4 | 1372 | free(td->files); |
d7df1d13 | 1373 | free(td->file_locks); |
9efef3c4 | 1374 | td->files_index = 0; |
b4a6a59a | 1375 | td->files = NULL; |
d7df1d13 | 1376 | td->file_locks = NULL; |
27ddbfa0 | 1377 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1378 | td->o.nr_files = 0; |
53cdc686 | 1379 | } |
af52b345 | 1380 | |
e3bab463 | 1381 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1382 | { |
1383 | struct stat sb; | |
1384 | ||
66159828 JA |
1385 | if (!strcmp(f->file_name, "-")) |
1386 | f->filetype = FIO_TYPE_PIPE; | |
1387 | else | |
1388 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1389 | |
d5b78f5a | 1390 | #ifdef WIN32 |
3892182a BC |
1391 | /* \\.\ is the device namespace in Windows, where every file is |
1392 | * a block device */ | |
1393 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1394 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1395 | #endif |
3892182a | 1396 | |
b30d395e | 1397 | if (!stat(f->file_name, &sb)) { |
3892182a | 1398 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1399 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1400 | else if (S_ISCHR(sb.st_mode)) |
1401 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1402 | else if (S_ISFIFO(sb.st_mode)) |
1403 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1404 | } |
1405 | } | |
1406 | ||
1b2a83dc | 1407 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1408 | { |
90426237 | 1409 | struct flist_head *entry; |
1b2a83dc | 1410 | bool ret; |
bcbfeefa | 1411 | |
1b2a83dc JA |
1412 | ret = file_bloom_exists(fname, set); |
1413 | if (!ret) | |
1414 | return ret; | |
90426237 JA |
1415 | |
1416 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1417 | struct file_name *fn; |
90426237 | 1418 | |
04d6530f JA |
1419 | fn = flist_entry(entry, struct file_name, list); |
1420 | ||
1421 | if (!strcmp(fn->filename, fname)) | |
1422 | return true; | |
90426237 JA |
1423 | } |
1424 | ||
04d6530f | 1425 | return false; |
bcbfeefa CE |
1426 | } |
1427 | ||
04d6530f | 1428 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1429 | { |
04d6530f | 1430 | bool ret; |
bcbfeefa | 1431 | |
90426237 | 1432 | fio_file_hash_lock(); |
1b2a83dc | 1433 | ret = __is_already_allocated(fname, false); |
90426237 | 1434 | fio_file_hash_unlock(); |
04d6530f | 1435 | |
90426237 JA |
1436 | return ret; |
1437 | } | |
bcbfeefa | 1438 | |
90426237 JA |
1439 | static void set_already_allocated(const char *fname) |
1440 | { | |
1441 | struct file_name *fn; | |
1442 | ||
1443 | fn = malloc(sizeof(struct file_name)); | |
1444 | fn->filename = strdup(fname); | |
1445 | ||
1446 | fio_file_hash_lock(); | |
1b2a83dc | 1447 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1448 | flist_add_tail(&fn->list, &filename_list); |
1449 | fn = NULL; | |
bcbfeefa | 1450 | } |
90426237 | 1451 | fio_file_hash_unlock(); |
bcbfeefa | 1452 | |
90426237 JA |
1453 | if (fn) { |
1454 | free(fn->filename); | |
1455 | free(fn); | |
1456 | } | |
bcbfeefa CE |
1457 | } |
1458 | ||
190b8f0c CF |
1459 | static void free_already_allocated(void) |
1460 | { | |
bcbfeefa CE |
1461 | struct flist_head *entry, *tmp; |
1462 | struct file_name *fn; | |
1463 | ||
90426237 JA |
1464 | if (flist_empty(&filename_list)) |
1465 | return; | |
1466 | ||
1467 | fio_file_hash_lock(); | |
1468 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1469 | fn = flist_entry(entry, struct file_name, list); | |
1470 | free(fn->filename); | |
1471 | flist_del(&fn->list); | |
1472 | free(fn); | |
bcbfeefa | 1473 | } |
90426237 JA |
1474 | |
1475 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1476 | } |
1477 | ||
7b5cb700 JA |
1478 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1479 | { | |
1480 | struct fio_file *f; | |
1481 | ||
cb9bf647 JB |
1482 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1483 | f = calloc(1, sizeof(*f)); | |
1484 | else | |
e0b3258b | 1485 | f = scalloc(1, sizeof(*f)); |
7b5cb700 | 1486 | if (!f) { |
7b5cb700 JA |
1487 | assert(0); |
1488 | return NULL; | |
1489 | } | |
1490 | ||
1491 | f->fd = -1; | |
1492 | f->shadow_fd = -1; | |
1493 | fio_file_reset(td, f); | |
1494 | return f; | |
1495 | } | |
1496 | ||
04d6530f JA |
1497 | bool exists_and_not_regfile(const char *filename) |
1498 | { | |
1499 | struct stat sb; | |
1500 | ||
1501 | if (lstat(filename, &sb) == -1) | |
1502 | return false; | |
1503 | ||
1504 | #ifndef WIN32 /* NOT Windows */ | |
1505 | if (S_ISREG(sb.st_mode)) | |
1506 | return false; | |
1507 | #else | |
1508 | /* \\.\ is the device namespace in Windows, where every file | |
1509 | * is a device node */ | |
1510 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1511 | return false; | |
1512 | #endif | |
1513 | ||
1514 | return true; | |
1515 | } | |
1516 | ||
0a93fb3e | 1517 | static bool create_work_dirs(struct thread_data *td, const char *fname) |
f1c71016 JB |
1518 | { |
1519 | char path[PATH_MAX]; | |
1520 | char *start, *end; | |
f1c71016 JB |
1521 | |
1522 | if (td->o.directory) { | |
0b801f22 JB |
1523 | snprintf(path, PATH_MAX, "%s%c%s", td->o.directory, |
1524 | FIO_OS_PATH_SEPARATOR, fname); | |
1525 | start = strstr(path, fname); | |
f1c71016 | 1526 | } else { |
0b801f22 JB |
1527 | snprintf(path, PATH_MAX, "%s", fname); |
1528 | start = path; | |
f1c71016 JB |
1529 | } |
1530 | ||
0b801f22 | 1531 | end = start; |
f1c71016 JB |
1532 | while ((end = strchr(end, FIO_OS_PATH_SEPARATOR)) != NULL) { |
1533 | if (end == start) | |
1534 | break; | |
1535 | *end = '\0'; | |
1536 | errno = 0; | |
4252396e | 1537 | #ifdef CONFIG_HAVE_MKDIR_TWO |
0b801f22 | 1538 | if (mkdir(path, 0600) && errno != EEXIST) { |
4252396e JA |
1539 | #else |
1540 | if (mkdir(path) && errno != EEXIST) { | |
1541 | #endif | |
f1c71016 JB |
1542 | log_err("fio: failed to create dir (%s): %d\n", |
1543 | start, errno); | |
0a93fb3e | 1544 | return false; |
f1c71016 JB |
1545 | } |
1546 | *end = FIO_OS_PATH_SEPARATOR; | |
1547 | end++; | |
1548 | } | |
f1c71016 | 1549 | td->flags |= TD_F_DIRS_CREATED; |
0a93fb3e | 1550 | return true; |
f1c71016 JB |
1551 | } |
1552 | ||
5903e7b7 | 1553 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1554 | { |
7b4e4fe5 | 1555 | int cur_files = td->files_index; |
bd0ee748 | 1556 | char file_name[PATH_MAX]; |
af52b345 | 1557 | struct fio_file *f; |
bd0ee748 | 1558 | int len = 0; |
af52b345 | 1559 | |
ee56ad50 JA |
1560 | dprint(FD_FILE, "add file %s\n", fname); |
1561 | ||
bcbfeefa | 1562 | if (td->o.directory) |
922a5be8 JA |
1563 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1564 | td->o.unique_filename); | |
bcbfeefa CE |
1565 | |
1566 | sprintf(file_name + len, "%s", fname); | |
1567 | ||
f1c71016 | 1568 | if (strchr(fname, FIO_OS_PATH_SEPARATOR) && |
0b801f22 | 1569 | !(td->flags & TD_F_DIRS_CREATED) && |
0a93fb3e | 1570 | !create_work_dirs(td, fname)) |
0b801f22 | 1571 | return 1; |
f1c71016 | 1572 | |
bcbfeefa | 1573 | /* clean cloned siblings using existing files */ |
04d6530f JA |
1574 | if (numjob && is_already_allocated(file_name) && |
1575 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1576 | return 0; |
1577 | ||
7b5cb700 | 1578 | f = alloc_new_file(td); |
bd0ee748 | 1579 | |
fc99bc0d | 1580 | if (td->files_size <= td->files_index) { |
1983e327 | 1581 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1582 | |
fc99bc0d JA |
1583 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1584 | ||
1585 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1586 | if (td->files == NULL) { |
1587 | log_err("fio: realloc OOM\n"); | |
1588 | assert(0); | |
1589 | } | |
d7df1d13 JA |
1590 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1591 | td->file_locks = realloc(td->file_locks, new_size); | |
1592 | if (!td->file_locks) { | |
1593 | log_err("fio: realloc OOM\n"); | |
1594 | assert(0); | |
1595 | } | |
1596 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1597 | } | |
fc99bc0d JA |
1598 | td->files_size = new_size; |
1599 | } | |
8bb7679e | 1600 | td->files[cur_files] = f; |
89ac1d48 | 1601 | f->fileno = cur_files; |
126d65c6 | 1602 | |
07eb79df JA |
1603 | /* |
1604 | * init function, io engine may not be loaded yet | |
1605 | */ | |
9b87f09b | 1606 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1607 | f->real_file_size = -1ULL; |
1608 | ||
cb9bf647 JB |
1609 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1610 | f->file_name = strdup(file_name); | |
1611 | else | |
1612 | f->file_name = smalloc_strdup(file_name); | |
81b3c86f | 1613 | if (!f->file_name) |
c48c0be7 | 1614 | assert(0); |
0b9d69ec | 1615 | |
e3bab463 | 1616 | get_file_type(f); |
af52b345 | 1617 | |
4d4e80f2 JA |
1618 | switch (td->o.file_lock_mode) { |
1619 | case FILE_LOCK_NONE: | |
1620 | break; | |
1621 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1622 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1623 | break; |
1624 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1625 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1626 | break; |
1627 | default: | |
1628 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1629 | assert(0); | |
1630 | } | |
29c1349f | 1631 | |
7b4e4fe5 | 1632 | td->files_index++; |
f29b25a3 | 1633 | |
084a5475 JA |
1634 | if (td->o.numjobs > 1) |
1635 | set_already_allocated(file_name); | |
bcbfeefa | 1636 | |
5903e7b7 JA |
1637 | if (inc) |
1638 | td->o.nr_files++; | |
1639 | ||
5ec10eaa JA |
1640 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1641 | cur_files); | |
9efef3c4 | 1642 | |
f29b25a3 | 1643 | return cur_files; |
af52b345 | 1644 | } |
0ad920e7 | 1645 | |
49ffb4a2 JA |
1646 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1647 | { | |
1648 | struct fio_file *f; | |
1649 | unsigned int i; | |
1650 | ||
1651 | for_each_file(td, f, i) { | |
1652 | if (!strcmp(f->file_name, fname)) | |
1653 | return i; | |
1654 | } | |
1655 | ||
5903e7b7 | 1656 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1657 | } |
1658 | ||
0ad920e7 JA |
1659 | void get_file(struct fio_file *f) |
1660 | { | |
8172fe97 | 1661 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1662 | assert(fio_file_open(f)); |
0ad920e7 JA |
1663 | f->references++; |
1664 | } | |
1665 | ||
6977bcd0 | 1666 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1667 | { |
98e1ac4e | 1668 | int f_ret = 0, ret = 0; |
6977bcd0 | 1669 | |
8172fe97 | 1670 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1671 | |
22a57ba8 JA |
1672 | if (!fio_file_open(f)) { |
1673 | assert(f->fd == -1); | |
6977bcd0 | 1674 | return 0; |
22a57ba8 | 1675 | } |
0ad920e7 JA |
1676 | |
1677 | assert(f->references); | |
1678 | if (--f->references) | |
6977bcd0 | 1679 | return 0; |
0ad920e7 | 1680 | |
71b84caa | 1681 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1682 | f_ret = fsync(f->fd); |
71b84caa JA |
1683 | if (f_ret < 0) |
1684 | f_ret = errno; | |
1685 | } | |
ebb1415f | 1686 | |
0ad920e7 | 1687 | if (td->io_ops->close_file) |
6977bcd0 | 1688 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1689 | |
98e1ac4e | 1690 | if (!ret) |
a5fb461f | 1691 | ret = f_ret; |
98e1ac4e | 1692 | |
0ad920e7 | 1693 | td->nr_open_files--; |
d6aed795 | 1694 | fio_file_clear_open(f); |
22a57ba8 | 1695 | assert(f->fd == -1); |
6977bcd0 | 1696 | return ret; |
0ad920e7 | 1697 | } |
bbf6b540 | 1698 | |
4d4e80f2 | 1699 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1700 | { |
4d4e80f2 JA |
1701 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1702 | return; | |
29c1349f | 1703 | |
4d4e80f2 JA |
1704 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1705 | if (ddir == DDIR_READ) | |
d7df1d13 | 1706 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1707 | else |
d7df1d13 | 1708 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1709 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1710 | fio_mutex_down(f->lock); | |
1711 | ||
d7df1d13 | 1712 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1713 | } |
1714 | ||
4d4e80f2 | 1715 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1716 | { |
4d4e80f2 JA |
1717 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1718 | return; | |
4d4e80f2 | 1719 | |
d7df1d13 JA |
1720 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1721 | fio_rwlock_unlock(f->rwlock); | |
1722 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1723 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1724 | |
1725 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1726 | } |
1727 | ||
4d4e80f2 JA |
1728 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1729 | { | |
f2a2803a | 1730 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1731 | return; |
d7df1d13 JA |
1732 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1733 | unlock_file(td, f); | |
4d4e80f2 JA |
1734 | } |
1735 | ||
13bddad9 | 1736 | static bool recurse_dir(struct thread_data *td, const char *dirname) |
bbf6b540 JA |
1737 | { |
1738 | struct dirent *dir; | |
13bddad9 | 1739 | bool ret = false; |
bbf6b540 JA |
1740 | DIR *D; |
1741 | ||
1742 | D = opendir(dirname); | |
1743 | if (!D) { | |
0ddb270c JA |
1744 | char buf[FIO_VERROR_SIZE]; |
1745 | ||
98ffb8f3 | 1746 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1747 | td_verror(td, errno, buf); |
13bddad9 | 1748 | return true; |
bbf6b540 JA |
1749 | } |
1750 | ||
1751 | while ((dir = readdir(D)) != NULL) { | |
1752 | char full_path[PATH_MAX]; | |
1753 | struct stat sb; | |
1754 | ||
e85b2b83 JA |
1755 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1756 | continue; | |
96d32d51 | 1757 | |
53a7af85 | 1758 | sprintf(full_path, "%s%c%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1759 | |
1760 | if (lstat(full_path, &sb) == -1) { | |
1761 | if (errno != ENOENT) { | |
1762 | td_verror(td, errno, "stat"); | |
13bddad9 | 1763 | ret = true; |
68ace9e0 | 1764 | break; |
bbf6b540 JA |
1765 | } |
1766 | } | |
1767 | ||
1768 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1769 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1770 | continue; |
1771 | } | |
0ddb270c JA |
1772 | if (!S_ISDIR(sb.st_mode)) |
1773 | continue; | |
bbf6b540 | 1774 | |
5ec10eaa JA |
1775 | ret = recurse_dir(td, full_path); |
1776 | if (ret) | |
bbf6b540 JA |
1777 | break; |
1778 | } | |
1779 | ||
1780 | closedir(D); | |
1781 | return ret; | |
1782 | } | |
1783 | ||
1784 | int add_dir_files(struct thread_data *td, const char *path) | |
1785 | { | |
0ddb270c JA |
1786 | int ret = recurse_dir(td, path); |
1787 | ||
1788 | if (!ret) | |
1789 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1790 | ||
1791 | return ret; | |
bbf6b540 | 1792 | } |
cade3ef4 JA |
1793 | |
1794 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1795 | { | |
1796 | struct fio_file *f; | |
1797 | unsigned int i; | |
9efef3c4 JA |
1798 | |
1799 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1800 | |
1801 | if (!org->files) | |
1802 | return; | |
1803 | ||
9efef3c4 | 1804 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1805 | |
d7df1d13 JA |
1806 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1807 | td->file_locks = malloc(org->files_index); | |
1808 | ||
9efef3c4 | 1809 | for_each_file(org, f, i) { |
b0fe421a JA |
1810 | struct fio_file *__f; |
1811 | ||
7b5cb700 | 1812 | __f = alloc_new_file(td); |
0b9d69ec | 1813 | |
bc3456fa | 1814 | if (f->file_name) { |
cb9bf647 JB |
1815 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1816 | __f->file_name = strdup(f->file_name); | |
1817 | else | |
1818 | __f->file_name = smalloc_strdup(f->file_name); | |
81b3c86f | 1819 | if (!__f->file_name) |
c48c0be7 | 1820 | assert(0); |
0b9d69ec | 1821 | |
bc3456fa AC |
1822 | __f->filetype = f->filetype; |
1823 | } | |
b0fe421a | 1824 | |
67ad9242 JA |
1825 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1826 | __f->lock = f->lock; | |
1827 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1828 | __f->rwlock = f->rwlock; | |
1829 | ||
b0fe421a | 1830 | td->files[i] = __f; |
cade3ef4 JA |
1831 | } |
1832 | } | |
f29b25a3 JA |
1833 | |
1834 | /* | |
1835 | * Returns the index that matches the filename, or -1 if not there | |
1836 | */ | |
1837 | int get_fileno(struct thread_data *td, const char *fname) | |
1838 | { | |
1839 | struct fio_file *f; | |
1840 | unsigned int i; | |
1841 | ||
1842 | for_each_file(td, f, i) | |
1843 | if (!strcmp(f->file_name, fname)) | |
1844 | return i; | |
1845 | ||
1846 | return -1; | |
1847 | } | |
1848 | ||
1849 | /* | |
1850 | * For log usage, where we add/open/close files automatically | |
1851 | */ | |
1852 | void free_release_files(struct thread_data *td) | |
1853 | { | |
1854 | close_files(td); | |
66ee4002 JA |
1855 | td->o.nr_files = 0; |
1856 | td->o.open_files = 0; | |
f29b25a3 | 1857 | td->files_index = 0; |
f29b25a3 | 1858 | } |
33c48814 JA |
1859 | |
1860 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1861 | { | |
f1dfb668 JA |
1862 | int i; |
1863 | ||
1864 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1865 | f->last_pos[i] = f->file_offset; | |
1866 | f->last_start[i] = -1ULL; | |
1867 | } | |
1868 | ||
967d1b63 | 1869 | if (fio_file_axmap(f)) |
33c48814 | 1870 | axmap_reset(f->io_axmap); |
967d1b63 | 1871 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1872 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1873 | } | |
002fe734 | 1874 | |
747b3105 | 1875 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1876 | { |
1877 | struct fio_file *f; | |
1878 | unsigned int i; | |
1879 | ||
1880 | for_each_file(td, f, i) | |
1881 | if (!fio_file_done(f)) | |
747b3105 | 1882 | return false; |
002fe734 | 1883 | |
747b3105 | 1884 | return true; |
002fe734 | 1885 | } |
bcbfeefa CE |
1886 | |
1887 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1888 | void filesetup_mem_free(void) |
1889 | { | |
bcbfeefa CE |
1890 | free_already_allocated(); |
1891 | } | |
47534cda TK |
1892 | |
1893 | /* | |
1894 | * This function is for platforms which support direct I/O but not O_DIRECT. | |
1895 | */ | |
1896 | int fio_set_directio(struct thread_data *td, struct fio_file *f) | |
1897 | { | |
1898 | #ifdef FIO_OS_DIRECTIO | |
2905de74 | 1899 | int ret = fio_set_odirect(f); |
47534cda TK |
1900 | |
1901 | if (ret) { | |
1902 | td_verror(td, ret, "fio_set_directio"); | |
1903 | #if defined(__sun__) | |
1904 | if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */ | |
1905 | log_err("fio: doing directIO to RAW devices or ZFS not supported\n"); | |
1906 | } else { | |
1907 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1908 | } | |
1909 | #else | |
1910 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1911 | #endif | |
1912 | return -1; | |
1913 | } | |
1914 | ||
1915 | return 0; | |
1916 | #else | |
51102e0d | 1917 | log_err("fio: direct IO is not supported on this host operating system\n"); |
47534cda TK |
1918 | return -1; |
1919 | #endif | |
1920 | } |