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