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 | ||
7172cfe8 JA |
23 | static int root_warn; |
24 | ||
bcbfeefa CE |
25 | static FLIST_HEAD(filename_list); |
26 | ||
bf651609 TK |
27 | /* |
28 | * List entry for filename_list | |
29 | */ | |
30 | struct file_name { | |
31 | struct flist_head list; | |
32 | char *filename; | |
33 | }; | |
34 | ||
c592b9fe JA |
35 | static inline void clear_error(struct thread_data *td) |
36 | { | |
37 | td->error = 0; | |
38 | td->verror[0] = '\0'; | |
39 | } | |
40 | ||
c75f74fb | 41 | static int native_fallocate(struct thread_data *td, struct fio_file *f) |
2c3e17be SW |
42 | { |
43 | bool success; | |
44 | ||
45 | success = fio_fallocate(f, 0, f->real_file_size); | |
46 | dprint(FD_FILE, "native fallocate of file %s size %llu was " | |
47 | "%ssuccessful\n", f->file_name, | |
48 | (unsigned long long) f->real_file_size, | |
49 | !success ? "un": ""); | |
50 | ||
51 | if (success) | |
c0aabe37 | 52 | return false; |
2c3e17be SW |
53 | |
54 | if (errno == ENOSYS) | |
55 | dprint(FD_FILE, "native fallocate is not implemented\n"); | |
56 | ||
c0aabe37 | 57 | return true; |
2c3e17be SW |
58 | } |
59 | ||
005eb303 JA |
60 | static void fallocate_file(struct thread_data *td, struct fio_file *f) |
61 | { | |
62 | int r; | |
63 | ||
64 | if (td->o.fill_device) | |
65 | return; | |
66 | ||
005eb303 | 67 | switch (td->o.fallocate_mode) { |
2c3e17be | 68 | case FIO_FALLOCATE_NATIVE: |
c0aabe37 | 69 | native_fallocate(td, f); |
2c3e17be | 70 | break; |
005eb303 JA |
71 | case FIO_FALLOCATE_NONE: |
72 | break; | |
2c3e17be | 73 | #ifdef CONFIG_POSIX_FALLOCATE |
005eb303 JA |
74 | case FIO_FALLOCATE_POSIX: |
75 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
76 | f->file_name, | |
77 | (unsigned long long) f->real_file_size); | |
78 | ||
79 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
80 | if (r > 0) | |
81 | log_err("fio: posix_fallocate fails: %s\n", strerror(r)); | |
82 | break; | |
2c3e17be | 83 | #endif /* CONFIG_POSIX_FALLOCATE */ |
005eb303 JA |
84 | #ifdef CONFIG_LINUX_FALLOCATE |
85 | case FIO_FALLOCATE_KEEP_SIZE: | |
86 | dprint(FD_FILE, "fallocate(FALLOC_FL_KEEP_SIZE) " | |
87 | "file %s size %llu\n", f->file_name, | |
88 | (unsigned long long) f->real_file_size); | |
89 | ||
90 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, f->real_file_size); | |
91 | if (r != 0) | |
92 | td_verror(td, errno, "fallocate"); | |
93 | ||
94 | break; | |
95 | #endif /* CONFIG_LINUX_FALLOCATE */ | |
96 | default: | |
97 | log_err("fio: unknown fallocate mode: %d\n", td->o.fallocate_mode); | |
98 | assert(0); | |
99 | } | |
005eb303 JA |
100 | } |
101 | ||
3baddf24 JA |
102 | /* |
103 | * Leaves f->fd open on success, caller must close | |
104 | */ | |
7bb48f84 | 105 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 106 | { |
005eb303 | 107 | int new_layout = 0, unlink_file = 0, flags; |
25205e97 | 108 | unsigned long long left; |
323876fb | 109 | unsigned int bs; |
f3e1eb23 | 110 | char *b = NULL; |
b2a15192 | 111 | |
4241ea8f JA |
112 | if (read_only) { |
113 | log_err("fio: refusing extend of file due to read-only\n"); | |
114 | return 0; | |
115 | } | |
116 | ||
507a702f JA |
117 | /* |
118 | * check if we need to lay the file out complete again. fio | |
119 | * does that for operations involving reads, or for writes | |
120 | * where overwrite is set | |
121 | */ | |
1417daeb JA |
122 | if (td_read(td) || |
123 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 124 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 125 | new_layout = 1; |
1417daeb | 126 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 127 | unlink_file = 1; |
507a702f | 128 | |
6ae1f57f | 129 | if (unlink_file || new_layout) { |
2442c935 JA |
130 | int ret; |
131 | ||
bd199f2b | 132 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
133 | |
134 | ret = td_io_unlink_file(td, f); | |
135 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
136 | td_verror(td, errno, "unlink"); |
137 | return 1; | |
138 | } | |
139 | } | |
140 | ||
2378826d JA |
141 | flags = O_WRONLY; |
142 | if (td->o.allow_create) | |
143 | flags |= O_CREAT; | |
507a702f JA |
144 | if (new_layout) |
145 | flags |= O_TRUNC; | |
146 | ||
9c0f3f32 BC |
147 | #ifdef WIN32 |
148 | flags |= _O_BINARY; | |
149 | #endif | |
150 | ||
ee56ad50 | 151 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 152 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 153 | if (f->fd < 0) { |
2378826d JA |
154 | int err = errno; |
155 | ||
156 | if (err == ENOENT && !td->o.allow_create) | |
157 | log_err("fio: file creation disallowed by " | |
158 | "allow_file_create=0\n"); | |
323876fb | 159 | else |
2378826d | 160 | td_verror(td, err, "open"); |
53cdc686 JA |
161 | return 1; |
162 | } | |
163 | ||
005eb303 | 164 | fallocate_file(td, f); |
9b836561 | 165 | |
79591fa9 TK |
166 | /* |
167 | * If our jobs don't require regular files initially, we're done. | |
168 | */ | |
fc74ac1d SL |
169 | if (!new_layout) |
170 | goto done; | |
171 | ||
5e0074c2 JA |
172 | /* |
173 | * The size will be -1ULL when fill_device is used, so don't truncate | |
174 | * or fallocate this file, just write it | |
175 | */ | |
176 | if (!td->o.fill_device) { | |
177 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 178 | (unsigned long long) f->real_file_size); |
5e0074c2 | 179 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
180 | if (errno != EFBIG) { |
181 | td_verror(td, errno, "ftruncate"); | |
182 | goto err; | |
183 | } | |
5e0074c2 | 184 | } |
5e0074c2 | 185 | } |
40f8298c | 186 | |
82d8de31 TK |
187 | left = f->real_file_size; |
188 | bs = td->o.max_bs[DDIR_WRITE]; | |
189 | if (bs > left) | |
190 | bs = left; | |
191 | ||
323876fb | 192 | b = malloc(bs); |
84af30a1 | 193 | if (!b) { |
323876fb | 194 | td_verror(td, errno, "malloc"); |
84af30a1 TK |
195 | goto err; |
196 | } | |
53cdc686 | 197 | |
53cdc686 | 198 | while (left && !td->terminate) { |
005eb303 JA |
199 | ssize_t r; |
200 | ||
53cdc686 JA |
201 | if (bs > left) |
202 | bs = left; | |
203 | ||
cc86c395 JA |
204 | fill_io_buffer(td, b, bs, bs); |
205 | ||
53cdc686 JA |
206 | r = write(f->fd, b, bs); |
207 | ||
5e0074c2 JA |
208 | if (r > 0) { |
209 | left -= r; | |
53cdc686 JA |
210 | continue; |
211 | } else { | |
5e0074c2 JA |
212 | if (r < 0) { |
213 | int __e = errno; | |
214 | ||
215 | if (__e == ENOSPC) { | |
216 | if (td->o.fill_device) | |
217 | break; | |
218 | log_info("fio: ENOSPC on laying out " | |
219 | "file, stopping\n"); | |
220 | break; | |
221 | } | |
e1161c32 | 222 | td_verror(td, errno, "write"); |
5e0074c2 | 223 | } else |
e1161c32 | 224 | td_verror(td, EIO, "write"); |
53cdc686 JA |
225 | |
226 | break; | |
227 | } | |
228 | } | |
229 | ||
ffdfabd4 JA |
230 | if (td->terminate) { |
231 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 232 | td_io_unlink_file(td, f); |
ffdfabd4 | 233 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
234 | if (fsync(f->fd) < 0) { |
235 | td_verror(td, errno, "fsync"); | |
236 | goto err; | |
237 | } | |
238 | } | |
0d1cd207 | 239 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 240 | fio_file_clear_size_known(f); |
5e0074c2 JA |
241 | if (td_io_get_file_size(td, f)) |
242 | goto err; | |
243 | if (f->io_size > f->real_file_size) | |
244 | f->io_size = f->real_file_size; | |
245 | } | |
53cdc686 | 246 | |
323876fb | 247 | free(b); |
507a702f | 248 | done: |
53cdc686 JA |
249 | return 0; |
250 | err: | |
251 | close(f->fd); | |
252 | f->fd = -1; | |
f3e1eb23 | 253 | if (b) |
323876fb | 254 | free(b); |
53cdc686 JA |
255 | return 1; |
256 | } | |
257 | ||
afad68f7 ZY |
258 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
259 | { | |
ef799a64 | 260 | int ret = 0, r, did_open = 0, old_runstate; |
afad68f7 ZY |
261 | unsigned long long left; |
262 | unsigned int bs; | |
263 | char *b; | |
264 | ||
736f1188 TK |
265 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
266 | td_ioengine_flagged(td, FIO_NOIO)) | |
9c0d2241 JA |
267 | return 0; |
268 | ||
e658078b TK |
269 | if (f->filetype == FIO_TYPE_CHAR) |
270 | return 0; | |
271 | ||
d6aed795 | 272 | if (!fio_file_open(f)) { |
b0f65863 JA |
273 | if (td->io_ops->open_file(td, f)) { |
274 | log_err("fio: cannot pre-read, failed to open file\n"); | |
275 | return 1; | |
276 | } | |
277 | did_open = 1; | |
278 | } | |
279 | ||
8edd973d | 280 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 281 | |
82d8de31 | 282 | left = f->io_size; |
afad68f7 | 283 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
284 | if (bs > left) |
285 | bs = left; | |
286 | ||
afad68f7 | 287 | b = malloc(bs); |
84af30a1 TK |
288 | if (!b) { |
289 | td_verror(td, errno, "malloc"); | |
290 | ret = 1; | |
291 | goto error; | |
292 | } | |
afad68f7 ZY |
293 | memset(b, 0, bs); |
294 | ||
ef799a64 JA |
295 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
296 | td_verror(td, errno, "lseek"); | |
297 | log_err("fio: failed to lseek pre-read file\n"); | |
298 | ret = 1; | |
299 | goto error; | |
300 | } | |
301 | ||
afad68f7 ZY |
302 | while (left && !td->terminate) { |
303 | if (bs > left) | |
304 | bs = left; | |
305 | ||
306 | r = read(f->fd, b, bs); | |
307 | ||
308 | if (r == (int) bs) { | |
309 | left -= bs; | |
310 | continue; | |
311 | } else { | |
312 | td_verror(td, EIO, "pre_read"); | |
313 | break; | |
314 | } | |
315 | } | |
316 | ||
ef799a64 | 317 | error: |
8edd973d | 318 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
319 | |
320 | if (did_open) | |
321 | td->io_ops->close_file(td, f); | |
ef799a64 | 322 | |
afad68f7 | 323 | free(b); |
ef799a64 | 324 | return ret; |
afad68f7 ZY |
325 | } |
326 | ||
a3f001f5 | 327 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 328 | { |
dc873b6f | 329 | unsigned long long ret, sized; |
c3546b53 | 330 | uint64_t frand_max; |
1294c3ec | 331 | unsigned long r; |
9c60ce64 | 332 | |
c3546b53 | 333 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 334 | r = __rand(&td->file_size_state); |
54a21917 | 335 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 336 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 337 | ret += td->o.file_size_low; |
2dc1bbeb | 338 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
339 | return ret; |
340 | } | |
341 | ||
53cdc686 JA |
342 | static int file_size(struct thread_data *td, struct fio_file *f) |
343 | { | |
344 | struct stat st; | |
345 | ||
df9c26b1 | 346 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
347 | td_verror(td, errno, "fstat"); |
348 | return 1; | |
349 | } | |
53cdc686 | 350 | |
7bb48f84 | 351 | f->real_file_size = st.st_size; |
53cdc686 JA |
352 | return 0; |
353 | } | |
354 | ||
355 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
356 | { | |
9b836561 | 357 | unsigned long long bytes = 0; |
53cdc686 JA |
358 | int r; |
359 | ||
df9c26b1 JA |
360 | if (td->io_ops->open_file(td, f)) { |
361 | log_err("fio: failed opening blockdev %s for size check\n", | |
362 | f->file_name); | |
363 | return 1; | |
364 | } | |
365 | ||
ecc314ba | 366 | r = blockdev_size(f, &bytes); |
53cdc686 | 367 | if (r) { |
e1161c32 | 368 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 369 | goto err; |
53cdc686 JA |
370 | } |
371 | ||
7ab077ab JA |
372 | if (!bytes) { |
373 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 374 | goto err; |
7ab077ab JA |
375 | } |
376 | ||
53cdc686 | 377 | f->real_file_size = bytes; |
22a57ba8 | 378 | td->io_ops->close_file(td, f); |
53cdc686 | 379 | return 0; |
df9c26b1 JA |
380 | err: |
381 | td->io_ops->close_file(td, f); | |
382 | return 1; | |
53cdc686 JA |
383 | } |
384 | ||
4ccdccd1 JA |
385 | static int char_size(struct thread_data *td, struct fio_file *f) |
386 | { | |
387 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 388 | unsigned long long bytes = 0; |
4ccdccd1 JA |
389 | int r; |
390 | ||
391 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 392 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
393 | f->file_name); |
394 | return 1; | |
395 | } | |
396 | ||
ecc314ba | 397 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
398 | if (r) { |
399 | td_verror(td, r, "chardev_size"); | |
400 | goto err; | |
401 | } | |
402 | ||
403 | if (!bytes) { | |
404 | log_err("%s: zero sized char device?\n", f->file_name); | |
405 | goto err; | |
406 | } | |
407 | ||
408 | f->real_file_size = bytes; | |
409 | td->io_ops->close_file(td, f); | |
410 | return 0; | |
411 | err: | |
412 | td->io_ops->close_file(td, f); | |
413 | return 1; | |
414 | #else | |
415 | f->real_file_size = -1ULL; | |
416 | return 0; | |
417 | #endif | |
418 | } | |
419 | ||
53cdc686 JA |
420 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
421 | { | |
422 | int ret = 0; | |
423 | ||
d6aed795 | 424 | if (fio_file_size_known(f)) |
409b3417 JA |
425 | return 0; |
426 | ||
7bb48f84 JA |
427 | if (f->filetype == FIO_TYPE_FILE) |
428 | ret = file_size(td, f); | |
686fbd31 | 429 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 430 | ret = bdev_size(td, f); |
4ccdccd1 JA |
431 | else if (f->filetype == FIO_TYPE_CHAR) |
432 | ret = char_size(td, f); | |
0f34169a TK |
433 | else |
434 | f->real_file_size = -1ULL; | |
53cdc686 | 435 | |
79591fa9 TK |
436 | /* |
437 | * Leave ->real_file_size with 0 since it could be expectation | |
438 | * of initial setup for regular files. | |
439 | */ | |
a0cb220b | 440 | if (ret) |
53cdc686 JA |
441 | return ret; |
442 | ||
0f34169a TK |
443 | /* |
444 | * If ->real_file_size is -1, a conditional for the message | |
445 | * "offset extends end" is always true, but it makes no sense, | |
446 | * so just return the same value here. | |
447 | */ | |
448 | if (f->real_file_size == -1ULL) { | |
449 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
450 | f->file_name); | |
451 | return 1; | |
452 | } | |
453 | ||
454 | if (td->o.start_offset && f->file_offset == 0) | |
455 | dprint(FD_FILE, "offset of file %s not initialized yet\n", | |
456 | f->file_name); | |
957c81b9 TK |
457 | /* |
458 | * ->file_offset normally hasn't been initialized yet, so this | |
0f34169a | 459 | * is basically always false. |
957c81b9 | 460 | */ |
53cdc686 | 461 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 462 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
463 | (unsigned long long) f->file_offset, |
464 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
465 | return 1; |
466 | } | |
467 | ||
d6aed795 | 468 | fio_file_set_size_known(f); |
53cdc686 JA |
469 | return 0; |
470 | } | |
471 | ||
3baddf24 JA |
472 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
473 | unsigned long long off, | |
474 | unsigned long long len) | |
e5b401d4 | 475 | { |
942a851a | 476 | int errval = 0, ret = 0; |
e5b401d4 | 477 | |
c8931876 JA |
478 | #ifdef CONFIG_ESX |
479 | return 0; | |
480 | #endif | |
481 | ||
5e0074c2 | 482 | if (len == -1ULL) |
3baddf24 JA |
483 | len = f->io_size; |
484 | if (off == -1ULL) | |
485 | off = f->file_offset; | |
ee56ad50 | 486 | |
0d1cd207 JA |
487 | if (len == -1ULL || off == -1ULL) |
488 | return 0; | |
489 | ||
942a851a | 490 | if (td->io_ops->invalidate) { |
4499dbef TK |
491 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
492 | f->file_name); | |
d9b100fc | 493 | ret = td->io_ops->invalidate(td, f); |
942a851a | 494 | if (ret < 0) |
afd118db | 495 | errval = -ret; |
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()) { |
7172cfe8 | 518 | if (!root_warn) { |
5ec10eaa JA |
519 | log_err("fio: only root may flush block " |
520 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
521 | root_warn = 1; |
522 | } | |
7e0e25c9 JA |
523 | ret = 0; |
524 | } | |
942a851a JA |
525 | if (ret < 0) |
526 | errval = errno; | |
4499dbef TK |
527 | } else if (f->filetype == FIO_TYPE_CHAR || |
528 | f->filetype == FIO_TYPE_PIPE) { | |
529 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
e5b401d4 | 530 | ret = 0; |
4499dbef | 531 | } |
e5b401d4 | 532 | |
dfe11fd1 JA |
533 | /* |
534 | * Cache flushing isn't a fatal condition, and we know it will | |
535 | * happen on some platforms where we don't have the proper | |
536 | * function to flush eg block device caches. So just warn and | |
537 | * continue on our way. | |
538 | */ | |
942a851a | 539 | if (errval) |
22de5d77 TK |
540 | log_info("fio: cache invalidation of %s failed: %s\n", |
541 | f->file_name, strerror(errval)); | |
e5b401d4 | 542 | |
dfe11fd1 | 543 | return 0; |
3baddf24 JA |
544 | |
545 | } | |
546 | ||
547 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
548 | { | |
d6aed795 | 549 | if (!fio_file_open(f)) |
a5fb461f JA |
550 | return 0; |
551 | ||
5e0074c2 | 552 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
553 | } |
554 | ||
6977bcd0 | 555 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 556 | { |
6977bcd0 JA |
557 | int ret = 0; |
558 | ||
ee56ad50 | 559 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
560 | |
561 | remove_file_hash(f); | |
562 | ||
6977bcd0 JA |
563 | if (close(f->fd) < 0) |
564 | ret = errno; | |
565 | ||
b5af8293 | 566 | f->fd = -1; |
e6c4d732 JA |
567 | |
568 | if (f->shadow_fd != -1) { | |
569 | close(f->shadow_fd); | |
570 | f->shadow_fd = -1; | |
571 | } | |
572 | ||
710bf9c5 | 573 | f->engine_pos = 0; |
6977bcd0 | 574 | return ret; |
53cdc686 JA |
575 | } |
576 | ||
1ccc6dc7 | 577 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 578 | { |
29c1349f | 579 | struct fio_file *__f; |
4d4e80f2 JA |
580 | int from_hash; |
581 | ||
582 | __f = lookup_file_hash(f->file_name); | |
583 | if (__f) { | |
9efef3c4 | 584 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 585 | f->lock = __f->lock; |
4d4e80f2 JA |
586 | from_hash = 1; |
587 | } else { | |
9efef3c4 | 588 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
589 | from_hash = 0; |
590 | } | |
591 | ||
9c0f3f32 BC |
592 | #ifdef WIN32 |
593 | flags |= _O_BINARY; | |
594 | #endif | |
595 | ||
e8670ef8 | 596 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
597 | return from_hash; |
598 | } | |
599 | ||
e6c4d732 JA |
600 | static int file_close_shadow_fds(struct thread_data *td) |
601 | { | |
602 | struct fio_file *f; | |
603 | int num_closed = 0; | |
604 | unsigned int i; | |
605 | ||
606 | for_each_file(td, f, i) { | |
607 | if (f->shadow_fd == -1) | |
608 | continue; | |
609 | ||
610 | close(f->shadow_fd); | |
611 | f->shadow_fd = -1; | |
612 | num_closed++; | |
613 | } | |
614 | ||
615 | return num_closed; | |
616 | } | |
617 | ||
4d4e80f2 JA |
618 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
619 | { | |
66159828 | 620 | int is_std = 0; |
53cdc686 | 621 | int flags = 0; |
29c1349f | 622 | int from_hash = 0; |
53cdc686 | 623 | |
ee56ad50 JA |
624 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
625 | ||
66159828 JA |
626 | if (!strcmp(f->file_name, "-")) { |
627 | if (td_rw(td)) { | |
628 | log_err("fio: can't read/write to stdin/out\n"); | |
629 | return 1; | |
630 | } | |
631 | is_std = 1; | |
ce98fa66 JA |
632 | |
633 | /* | |
634 | * move output logging to stderr, if we are writing to stdout | |
635 | */ | |
636 | if (td_write(td)) | |
637 | f_out = stderr; | |
66159828 JA |
638 | } |
639 | ||
6eaf09d6 SL |
640 | if (td_trim(td)) |
641 | goto skip_flags; | |
2dc1bbeb | 642 | if (td->o.odirect) |
2fd233b7 | 643 | flags |= OS_O_DIRECT; |
d01612f3 CM |
644 | if (td->o.oatomic) { |
645 | if (!FIO_O_ATOMIC) { | |
646 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
647 | return 1; | |
648 | } | |
649 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
650 | } | |
2dc1bbeb | 651 | if (td->o.sync_io) |
2fd233b7 | 652 | flags |= O_SYNC; |
2378826d | 653 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 654 | flags |= O_CREAT; |
6eaf09d6 SL |
655 | skip_flags: |
656 | if (f->filetype != FIO_TYPE_FILE) | |
657 | flags |= FIO_O_NOATIME; | |
53cdc686 | 658 | |
056f3459 | 659 | open_again: |
660a1cb5 | 660 | if (td_write(td)) { |
17308158 JA |
661 | if (!read_only) |
662 | flags |= O_RDWR; | |
53cdc686 | 663 | |
2378826d | 664 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 665 | flags |= O_CREAT; |
2fd233b7 | 666 | |
66159828 JA |
667 | if (is_std) |
668 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
669 | else |
670 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 671 | } else if (td_read(td)) { |
4241ea8f | 672 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
673 | flags |= O_RDWR; |
674 | else | |
675 | flags |= O_RDONLY; | |
676 | ||
66159828 JA |
677 | if (is_std) |
678 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
679 | else |
680 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
681 | } else if (td_trim(td)) { |
682 | assert(!td_rw(td)); /* should have matched above */ | |
6eaf09d6 SL |
683 | flags |= O_RDWR; |
684 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
685 | } |
686 | ||
687 | if (f->fd == -1) { | |
e4e33258 | 688 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
689 | int __e = errno; |
690 | ||
835d9b9e | 691 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 692 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
693 | goto open_again; |
694 | } | |
e6c4d732 JA |
695 | if (__e == EMFILE && file_close_shadow_fds(td)) |
696 | goto open_again; | |
056f3459 | 697 | |
98ffb8f3 | 698 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 699 | |
a93c5f04 JA |
700 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
701 | log_err("fio: looks like your file system does not " \ | |
702 | "support direct=1/buffered=0\n"); | |
703 | } | |
704 | ||
e4e33258 | 705 | td_verror(td, __e, buf); |
3ce3ad33 | 706 | return 1; |
53cdc686 JA |
707 | } |
708 | ||
29c1349f JA |
709 | if (!from_hash && f->fd != -1) { |
710 | if (add_file_hash(f)) { | |
3f0ca9b9 | 711 | int fio_unused ret; |
29c1349f JA |
712 | |
713 | /* | |
e6c4d732 JA |
714 | * Stash away descriptor for later close. This is to |
715 | * work-around a "feature" on Linux, where a close of | |
716 | * an fd that has been opened for write will trigger | |
717 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 718 | * That pollutes the device cache, which can slow down |
e6c4d732 | 719 | * unbuffered accesses. |
29c1349f | 720 | */ |
e6c4d732 JA |
721 | if (f->shadow_fd == -1) |
722 | f->shadow_fd = f->fd; | |
723 | else { | |
724 | /* | |
725 | * OK to ignore, we haven't done anything | |
726 | * with it | |
727 | */ | |
728 | ret = generic_close_file(td, f); | |
729 | } | |
29c1349f JA |
730 | goto open_again; |
731 | } | |
732 | } | |
4906e0b5 | 733 | |
53cdc686 | 734 | return 0; |
b5af8293 JA |
735 | } |
736 | ||
79591fa9 TK |
737 | /* |
738 | * This function i.e. get_file_size() is the default .get_file_size | |
739 | * implementation of majority of I/O engines. | |
740 | */ | |
df9c26b1 | 741 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 742 | { |
df9c26b1 | 743 | return get_file_size(td, f); |
21972cde JA |
744 | } |
745 | ||
7bb48f84 JA |
746 | /* |
747 | * open/close all files, so that ->real_file_size gets set | |
748 | */ | |
bab3fd58 | 749 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
750 | { |
751 | struct fio_file *f; | |
752 | unsigned int i; | |
bab3fd58 | 753 | int err = 0; |
7bb48f84 JA |
754 | |
755 | for_each_file(td, f, i) { | |
08c44a55 | 756 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 757 | f->file_name); |
9efef3c4 | 758 | |
99a47c69 | 759 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
760 | if (td->error != ENOENT) { |
761 | log_err("%s\n", td->verror); | |
762 | err = 1; | |
3ce3ad33 | 763 | break; |
40b44f4a | 764 | } |
541d66d7 | 765 | clear_error(td); |
07eb79df | 766 | } |
409b3417 | 767 | |
79591fa9 TK |
768 | /* |
769 | * There are corner cases where we end up with -1 for | |
770 | * ->real_file_size due to unsupported file type, etc. | |
771 | * We then just set to size option value divided by number | |
772 | * of files, similar to the way file ->io_size is set. | |
773 | * stat(2) failure doesn't set ->real_file_size to -1. | |
774 | */ | |
409b3417 JA |
775 | if (f->real_file_size == -1ULL && td->o.size) |
776 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 777 | } |
bab3fd58 JA |
778 | |
779 | return err; | |
7bb48f84 JA |
780 | } |
781 | ||
2e3bd4c2 JA |
782 | struct fio_mount { |
783 | struct flist_head list; | |
784 | const char *base; | |
785 | char __base[256]; | |
786 | unsigned int key; | |
787 | }; | |
788 | ||
789 | /* | |
790 | * Get free number of bytes for each file on each unique mount. | |
791 | */ | |
792 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
793 | { | |
794 | struct flist_head *n, *tmp; | |
68b0316f | 795 | unsigned long long ret = 0; |
2e3bd4c2 JA |
796 | struct fio_mount *fm; |
797 | FLIST_HEAD(list); | |
798 | struct fio_file *f; | |
799 | unsigned int i; | |
800 | ||
801 | for_each_file(td, f, i) { | |
802 | struct stat sb; | |
803 | char buf[256]; | |
804 | ||
686fbd31 | 805 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
806 | if (f->real_file_size != -1ULL) |
807 | ret += f->real_file_size; | |
68b0316f JA |
808 | continue; |
809 | } else if (f->filetype != FIO_TYPE_FILE) | |
810 | continue; | |
811 | ||
da27a4bf JA |
812 | buf[255] = '\0'; |
813 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
814 | |
815 | if (stat(buf, &sb) < 0) { | |
816 | if (errno != ENOENT) | |
817 | break; | |
818 | strcpy(buf, "."); | |
819 | if (stat(buf, &sb) < 0) | |
820 | break; | |
821 | } | |
822 | ||
823 | fm = NULL; | |
824 | flist_for_each(n, &list) { | |
825 | fm = flist_entry(n, struct fio_mount, list); | |
826 | if (fm->key == sb.st_dev) | |
827 | break; | |
828 | ||
829 | fm = NULL; | |
830 | } | |
831 | ||
832 | if (fm) | |
833 | continue; | |
834 | ||
3660ceae JA |
835 | fm = calloc(1, sizeof(*fm)); |
836 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
837 | fm->base = basename(fm->__base); |
838 | fm->key = sb.st_dev; | |
839 | flist_add(&fm->list, &list); | |
840 | } | |
841 | ||
2e3bd4c2 JA |
842 | flist_for_each_safe(n, tmp, &list) { |
843 | unsigned long long sz; | |
844 | ||
845 | fm = flist_entry(n, struct fio_mount, list); | |
846 | flist_del(&fm->list); | |
847 | ||
c08ad04c | 848 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
849 | if (sz && sz != -1ULL) |
850 | ret += sz; | |
851 | ||
852 | free(fm); | |
853 | } | |
854 | ||
855 | return ret; | |
856 | } | |
857 | ||
bedc9dc2 | 858 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 859 | { |
bedc9dc2 | 860 | struct thread_options *o = &td->o; |
872e0415 JA |
861 | unsigned long long align_bs; |
862 | unsigned long long offset; | |
bedc9dc2 JA |
863 | |
864 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
865 | return f->real_file_size; | |
866 | ||
89978a6b | 867 | if (o->start_offset_percent > 0) { |
872e0415 | 868 | /* |
83c8b093 | 869 | * if offset_align is provided, set initial offset |
872e0415 | 870 | */ |
83c8b093 JF |
871 | if (fio_option_is_set(o, start_offset_align)) { |
872 | align_bs = o->start_offset_align; | |
872e0415 JA |
873 | } else { |
874 | /* else take the minimum block size */ | |
89978a6b BW |
875 | align_bs = td_min_bs(td); |
876 | } | |
877 | ||
878 | /* calculate the raw offset */ | |
879 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
880 | (td->subjob_number * o->offset_increment); | |
881 | ||
872e0415 JA |
882 | /* |
883 | * block align the offset at the next available boundary at | |
884 | * ceiling(offset / align_bs) * align_bs | |
885 | */ | |
89978a6b BW |
886 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
887 | ||
872e0415 JA |
888 | } else { |
889 | /* start_offset_percent not set */ | |
f0d13935 JA |
890 | offset = o->start_offset + |
891 | td->subjob_number * o->offset_increment; | |
89978a6b | 892 | } |
872e0415 | 893 | |
89978a6b | 894 | return offset; |
ce95d651 DE |
895 | } |
896 | ||
7bb48f84 JA |
897 | /* |
898 | * Open the files and setup files sizes, creating files if necessary. | |
899 | */ | |
53cdc686 JA |
900 | int setup_files(struct thread_data *td) |
901 | { | |
7bb48f84 | 902 | unsigned long long total_size, extend_size; |
de98bd30 | 903 | struct thread_options *o = &td->o; |
53cdc686 | 904 | struct fio_file *f; |
002fe734 | 905 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 906 | int err = 0, need_extend; |
e90391eb | 907 | int old_state; |
002fe734 JA |
908 | const unsigned int bs = td_min_bs(td); |
909 | uint64_t fs = 0; | |
53cdc686 | 910 | |
ee56ad50 JA |
911 | dprint(FD_FILE, "setup files\n"); |
912 | ||
8edd973d | 913 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 914 | |
de98bd30 | 915 | if (o->read_iolog_file) |
25460cf6 | 916 | goto done; |
691c8fb0 | 917 | |
53cdc686 | 918 | /* |
79591fa9 TK |
919 | * Find out physical size of files or devices for this thread, |
920 | * before we determine I/O size and range of our targets. | |
921 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
922 | * opening the files and setting f->real_file_size to indicate |
923 | * the valid range for that file. | |
53cdc686 JA |
924 | */ |
925 | if (td->io_ops->setup) | |
7bb48f84 JA |
926 | err = td->io_ops->setup(td); |
927 | else | |
bab3fd58 | 928 | err = get_file_sizes(td); |
53cdc686 | 929 | |
f1027063 | 930 | if (err) |
e90391eb | 931 | goto err_out; |
f1027063 | 932 | |
0a7eb121 | 933 | /* |
7bb48f84 JA |
934 | * check sizes. if the files/devices do not exist and the size |
935 | * isn't passed to fio, abort. | |
0a7eb121 | 936 | */ |
7bb48f84 JA |
937 | total_size = 0; |
938 | for_each_file(td, f, i) { | |
49a416bd | 939 | f->fileno = i; |
7bb48f84 JA |
940 | if (f->real_file_size == -1ULL) |
941 | total_size = -1ULL; | |
942 | else | |
943 | total_size += f->real_file_size; | |
944 | } | |
0a7eb121 | 945 | |
de98bd30 | 946 | if (o->fill_device) |
2e3bd4c2 JA |
947 | td->fill_device_size = get_fs_free_counts(td); |
948 | ||
7bb48f84 JA |
949 | /* |
950 | * device/file sizes are zero and no size given, punt | |
951 | */ | |
de98bd30 | 952 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 953 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
954 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
955 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 956 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 957 | goto err_out; |
53cdc686 JA |
958 | } |
959 | ||
002fe734 JA |
960 | /* |
961 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 962 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 963 | */ |
d1e78e6b | 964 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
965 | uint64_t all_fs; |
966 | ||
967 | fs = o->size / o->nr_files; | |
968 | all_fs = fs * o->nr_files; | |
969 | ||
970 | if (all_fs < o->size) | |
971 | nr_fs_extra = (o->size - all_fs) / bs; | |
972 | } | |
973 | ||
7bb48f84 JA |
974 | /* |
975 | * now file sizes are known, so we can set ->io_size. if size= is | |
976 | * not given, ->io_size is just equal to ->real_file_size. if size | |
977 | * is given, ->io_size is size / nr_files. | |
978 | */ | |
979 | extend_size = total_size = 0; | |
980 | need_extend = 0; | |
981 | for_each_file(td, f, i) { | |
bedc9dc2 | 982 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 983 | |
79591fa9 TK |
984 | /* |
985 | * Update ->io_size depending on options specified. | |
986 | * ->file_size_low being 0 means filesize option isn't set. | |
987 | * Non zero ->file_size_low equals ->file_size_high means | |
988 | * filesize option is set in a fixed size format. | |
989 | * Non zero ->file_size_low not equals ->file_size_high means | |
990 | * filesize option is set in a range format. | |
991 | */ | |
de98bd30 | 992 | if (!o->file_size_low) { |
7bb48f84 | 993 | /* |
79591fa9 | 994 | * no file size or range given, file size is equal to |
c4aa2d08 | 995 | * total size divided by number of files. If the size |
002fe734 JA |
996 | * doesn't divide nicely with the min blocksize, |
997 | * make the first files bigger. | |
7bb48f84 | 998 | */ |
002fe734 JA |
999 | f->io_size = fs; |
1000 | if (nr_fs_extra) { | |
1001 | nr_fs_extra--; | |
1002 | f->io_size += bs; | |
1003 | } | |
1004 | ||
c4aa2d08 | 1005 | /* |
c6dfd837 TK |
1006 | * We normally don't come here for regular files, but |
1007 | * if the result is 0 for a regular file, set it to the | |
1008 | * real file size. This could be size of the existing | |
1009 | * one if it already exists, but otherwise will be set | |
1010 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
1011 | * ->io_size + ->file_offset equals ->real_file_size. |
1012 | */ | |
1013 | if (!f->io_size) { | |
1014 | if (f->file_offset > f->real_file_size) | |
1015 | goto err_offset; | |
273f8c91 | 1016 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
1017 | if (!f->io_size) |
1018 | log_info("fio: file %s may be ignored\n", | |
1019 | f->file_name); | |
1020 | } | |
de98bd30 JA |
1021 | } else if (f->real_file_size < o->file_size_low || |
1022 | f->real_file_size > o->file_size_high) { | |
1023 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1024 | goto err_offset; |
7bb48f84 JA |
1025 | /* |
1026 | * file size given. if it's fixed, use that. if it's a | |
1027 | * range, generate a random size in-between. | |
1028 | */ | |
de98bd30 JA |
1029 | if (o->file_size_low == o->file_size_high) |
1030 | f->io_size = o->file_size_low - f->file_offset; | |
1031 | else { | |
5ec10eaa JA |
1032 | f->io_size = get_rand_file_size(td) |
1033 | - f->file_offset; | |
1034 | } | |
65bdb10a | 1035 | } else |
bcdedd0a | 1036 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1037 | |
7bb48f84 JA |
1038 | if (f->io_size == -1ULL) |
1039 | total_size = -1ULL; | |
4d002569 | 1040 | else { |
e391c704 | 1041 | if (o->size_percent) { |
76e4bb4f SW |
1042 | uint64_t file_size; |
1043 | ||
1044 | file_size = f->io_size + f->file_offset; | |
1045 | f->io_size = (file_size * | |
1046 | o->size_percent) / 100; | |
1047 | if (f->io_size > (file_size - f->file_offset)) | |
1048 | f->io_size = file_size - f->file_offset; | |
1049 | ||
e391c704 JA |
1050 | f->io_size -= (f->io_size % td_min_bs(td)); |
1051 | } | |
7bb48f84 | 1052 | total_size += f->io_size; |
4d002569 | 1053 | } |
7bb48f84 JA |
1054 | |
1055 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 1056 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 1057 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
1058 | if (!o->create_on_open) { |
1059 | need_extend++; | |
814452bd | 1060 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1061 | fio_file_set_extend(f); |
5fd31680 | 1062 | } else |
814452bd | 1063 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1064 | } |
7bb48f84 | 1065 | } |
53cdc686 | 1066 | |
66347cfa DE |
1067 | if (td->o.block_error_hist) { |
1068 | int len; | |
1069 | ||
1070 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1071 | f = td->files[0]; | |
1072 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1073 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1074 | log_err("fio: cannot calculate block histogram with " | |
1075 | "%d trim blocks, maximum %d\n", | |
1076 | len, MAX_NR_BLOCK_INFOS); | |
1077 | td_verror(td, EINVAL, "block_error_hist"); | |
1078 | goto err_out; | |
1079 | } | |
1080 | ||
1081 | td->ts.nr_block_infos = len; | |
8a68c41c | 1082 | for (i = 0; i < len; i++) |
66347cfa DE |
1083 | td->ts.block_infos[i] = |
1084 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1085 | } else | |
1086 | td->ts.nr_block_infos = 0; | |
1087 | ||
0bc27b0b | 1088 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1089 | o->size = total_size; |
21972cde | 1090 | |
d1faa06d JA |
1091 | if (o->size < td_min_bs(td)) { |
1092 | log_err("fio: blocksize too large for data set\n"); | |
1093 | goto err_out; | |
1094 | } | |
1095 | ||
7bb48f84 | 1096 | /* |
79591fa9 TK |
1097 | * See if we need to extend some files, typically needed when our |
1098 | * target regular files don't exist yet, but our jobs require them | |
1099 | * initially due to read I/Os. | |
7bb48f84 JA |
1100 | */ |
1101 | if (need_extend) { | |
1102 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1103 | if (output_format & FIO_OUTPUT_NORMAL) { |
1104 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1105 | o->name, | |
1106 | need_extend > 1 ? "s" : "", | |
1107 | need_extend, | |
1108 | need_extend > 1 ? "s" : "", | |
1109 | need_extend > 1 ? "total " : "", | |
1110 | extend_size >> 20); | |
1111 | } | |
7bb48f84 JA |
1112 | |
1113 | for_each_file(td, f, i) { | |
5e0074c2 | 1114 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1115 | |
d6aed795 | 1116 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1117 | continue; |
1118 | ||
409b3417 | 1119 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1120 | fio_file_clear_extend(f); |
de98bd30 | 1121 | if (!o->fill_device) { |
5e0074c2 | 1122 | old_len = f->real_file_size; |
0b9d69ec JA |
1123 | extend_len = f->io_size + f->file_offset - |
1124 | old_len; | |
5e0074c2 | 1125 | } |
bcdedd0a | 1126 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1127 | err = extend_file(td, f); |
1128 | if (err) | |
3baddf24 | 1129 | break; |
5e0074c2 | 1130 | |
3baddf24 JA |
1131 | err = __file_invalidate_cache(td, f, old_len, |
1132 | extend_len); | |
9824f73b JA |
1133 | |
1134 | /* | |
1135 | * Shut up static checker | |
1136 | */ | |
1137 | if (f->fd != -1) | |
1138 | close(f->fd); | |
1139 | ||
3baddf24 JA |
1140 | f->fd = -1; |
1141 | if (err) | |
7bb48f84 JA |
1142 | break; |
1143 | } | |
1144 | temp_stall_ts = 0; | |
1145 | } | |
1146 | ||
1147 | if (err) | |
e90391eb | 1148 | goto err_out; |
7bb48f84 | 1149 | |
de98bd30 JA |
1150 | if (!o->zone_size) |
1151 | o->zone_size = o->size; | |
7bb48f84 | 1152 | |
ea966f81 JA |
1153 | /* |
1154 | * iolog already set the total io size, if we read back | |
1155 | * stored entries. | |
1156 | */ | |
77731b29 | 1157 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1158 | if (o->io_size) |
1159 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1160 | else |
1161 | td->total_io_size = o->size * o->loops; | |
1162 | } | |
25460cf6 JA |
1163 | |
1164 | done: | |
de98bd30 | 1165 | if (o->create_only) |
25460cf6 JA |
1166 | td->done = 1; |
1167 | ||
8edd973d | 1168 | td_restore_runstate(td, old_state); |
7bb48f84 | 1169 | return 0; |
bcdedd0a | 1170 | err_offset: |
de98bd30 | 1171 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1172 | err_out: |
8edd973d | 1173 | td_restore_runstate(td, old_state); |
bcdedd0a | 1174 | return 1; |
53cdc686 JA |
1175 | } |
1176 | ||
afad68f7 ZY |
1177 | int pre_read_files(struct thread_data *td) |
1178 | { | |
1179 | struct fio_file *f; | |
1180 | unsigned int i; | |
1181 | ||
1182 | dprint(FD_FILE, "pre_read files\n"); | |
1183 | ||
1184 | for_each_file(td, f, i) { | |
afe0d59a TK |
1185 | if (pre_read_file(td, f)) |
1186 | return -1; | |
afad68f7 ZY |
1187 | } |
1188 | ||
afe0d59a | 1189 | return 0; |
afad68f7 ZY |
1190 | } |
1191 | ||
9c6f6316 JA |
1192 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1193 | { | |
2316296a | 1194 | unsigned int range_size, seed; |
9c6f6316 | 1195 | unsigned long nranges; |
42da5c8b | 1196 | uint64_t fsize; |
9c6f6316 JA |
1197 | |
1198 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1199 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1200 | |
42da5c8b | 1201 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1202 | |
2316296a | 1203 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1204 | if (!td->o.rand_repeatable) |
1205 | seed = td->rand_seeds[4]; | |
1206 | ||
9c6f6316 | 1207 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1208 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1209 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1210 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1211 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1212 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1213 | |
1214 | return 1; | |
1215 | } | |
1216 | ||
1217 | static int init_rand_distribution(struct thread_data *td) | |
1218 | { | |
1219 | struct fio_file *f; | |
1220 | unsigned int i; | |
1221 | int state; | |
1222 | ||
1223 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1224 | return 0; | |
1225 | ||
8edd973d JA |
1226 | state = td_bump_runstate(td, TD_SETTING_UP); |
1227 | ||
9c6f6316 JA |
1228 | for_each_file(td, f, i) |
1229 | __init_rand_distribution(td, f); | |
8edd973d JA |
1230 | |
1231 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1232 | |
1233 | return 1; | |
1234 | } | |
1235 | ||
75f90d5f JA |
1236 | /* |
1237 | * Check if the number of blocks exceeds the randomness capability of | |
1238 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1239 | * 64-bit capable. | |
1240 | */ | |
1241 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1242 | uint64_t blocks) | |
1243 | { | |
1244 | if (blocks <= FRAND32_MAX) | |
1245 | return 0; | |
1246 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1247 | return 0; | |
1248 | ||
1249 | /* | |
1250 | * If the user hasn't specified a random generator, switch | |
1251 | * to tausworthe64 with informational warning. If the user did | |
1252 | * specify one, just warn. | |
1253 | */ | |
1254 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1255 | f->file_name); | |
1256 | ||
1257 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1258 | log_info("fio: Switching to tausworthe64. Use the " | |
1259 | "random_generator= option to get rid of this " | |
4e795a3e | 1260 | "warning.\n"); |
75f90d5f JA |
1261 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1262 | return 0; | |
1263 | } | |
1264 | ||
1265 | /* | |
1266 | * Just make this information to avoid breaking scripts. | |
1267 | */ | |
1268 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1269 | "tausworthe64.\n"); | |
1270 | return 0; | |
1271 | } | |
1272 | ||
68727076 JA |
1273 | int init_random_map(struct thread_data *td) |
1274 | { | |
51ede0b1 | 1275 | unsigned long long blocks; |
68727076 JA |
1276 | struct fio_file *f; |
1277 | unsigned int i; | |
1278 | ||
9c6f6316 JA |
1279 | if (init_rand_distribution(td)) |
1280 | return 0; | |
3831a843 | 1281 | if (!td_random(td)) |
68727076 JA |
1282 | return 0; |
1283 | ||
1284 | for_each_file(td, f, i) { | |
42da5c8b | 1285 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1286 | |
42da5c8b | 1287 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1288 | |
75f90d5f | 1289 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1290 | return 1; |
37fbd7e9 | 1291 | |
8055e41d | 1292 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1293 | unsigned long seed; |
1294 | ||
1295 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1296 | |
967d1b63 JA |
1297 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1298 | fio_file_set_lfsr(f); | |
8055e41d | 1299 | continue; |
967d1b63 | 1300 | } |
3831a843 | 1301 | } else if (!td->o.norandommap) { |
7ebd796f | 1302 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1303 | if (f->io_axmap) { |
1304 | fio_file_set_axmap(f); | |
8055e41d | 1305 | continue; |
967d1b63 | 1306 | } |
1cad7121 JA |
1307 | } else if (td->o.norandommap) |
1308 | continue; | |
ceadd59e | 1309 | |
2b386d25 | 1310 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1311 | log_err("fio: failed allocating random map. If running" |
1312 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1313 | " option or set 'softrandommap'. Or give" |
1314 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1315 | return 1; |
1316 | } | |
303032ae JA |
1317 | |
1318 | log_info("fio: file %s failed allocating random map. Running " | |
1319 | "job without.\n", f->file_name); | |
68727076 JA |
1320 | } |
1321 | ||
1322 | return 0; | |
1323 | } | |
1324 | ||
53cdc686 JA |
1325 | void close_files(struct thread_data *td) |
1326 | { | |
0ab8db89 | 1327 | struct fio_file *f; |
af52b345 | 1328 | unsigned int i; |
53cdc686 | 1329 | |
2be3eec3 JA |
1330 | for_each_file(td, f, i) { |
1331 | if (fio_file_open(f)) | |
1332 | td_io_close_file(td, f); | |
1333 | } | |
24ffd2c2 JA |
1334 | } |
1335 | ||
1336 | void close_and_free_files(struct thread_data *td) | |
1337 | { | |
1338 | struct fio_file *f; | |
1339 | unsigned int i; | |
cb9bf647 | 1340 | bool use_free = td_ioengine_flagged(td, FIO_NOFILEHASH); |
24ffd2c2 | 1341 | |
ee56ad50 JA |
1342 | dprint(FD_FILE, "close files\n"); |
1343 | ||
0ab8db89 | 1344 | for_each_file(td, f, i) { |
38ef9c90 CF |
1345 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1346 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1347 | td_io_unlink_file(td, f); | |
1348 | } | |
1349 | ||
22a57ba8 JA |
1350 | if (fio_file_open(f)) |
1351 | td_io_close_file(td, f); | |
1352 | ||
b9fbcf21 | 1353 | remove_file_hash(f); |
b3dc7f07 | 1354 | |
b5f4d8ba JA |
1355 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1356 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1357 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1358 | } |
1359 | ||
cb9bf647 JB |
1360 | if (use_free) |
1361 | free(f->file_name); | |
1362 | else | |
1363 | sfree(f->file_name); | |
fa1da865 | 1364 | f->file_name = NULL; |
967d1b63 JA |
1365 | if (fio_file_axmap(f)) { |
1366 | axmap_free(f->io_axmap); | |
1367 | f->io_axmap = NULL; | |
1368 | } | |
cb9bf647 JB |
1369 | if (use_free) |
1370 | free(f); | |
1371 | else | |
1372 | sfree(f); | |
53cdc686 | 1373 | } |
b4a6a59a | 1374 | |
2dc1bbeb | 1375 | td->o.filename = NULL; |
cade3ef4 | 1376 | free(td->files); |
d7df1d13 | 1377 | free(td->file_locks); |
9efef3c4 | 1378 | td->files_index = 0; |
b4a6a59a | 1379 | td->files = NULL; |
d7df1d13 | 1380 | td->file_locks = NULL; |
27ddbfa0 | 1381 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1382 | td->o.nr_files = 0; |
53cdc686 | 1383 | } |
af52b345 | 1384 | |
e3bab463 | 1385 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1386 | { |
1387 | struct stat sb; | |
1388 | ||
66159828 JA |
1389 | if (!strcmp(f->file_name, "-")) |
1390 | f->filetype = FIO_TYPE_PIPE; | |
1391 | else | |
1392 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1393 | |
d5b78f5a | 1394 | #ifdef WIN32 |
3892182a BC |
1395 | /* \\.\ is the device namespace in Windows, where every file is |
1396 | * a block device */ | |
1397 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1398 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1399 | #endif |
3892182a | 1400 | |
b30d395e | 1401 | if (!stat(f->file_name, &sb)) { |
3892182a | 1402 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1403 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1404 | else if (S_ISCHR(sb.st_mode)) |
1405 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1406 | else if (S_ISFIFO(sb.st_mode)) |
1407 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1408 | } |
1409 | } | |
1410 | ||
1b2a83dc | 1411 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1412 | { |
90426237 | 1413 | struct flist_head *entry; |
1b2a83dc | 1414 | bool ret; |
bcbfeefa | 1415 | |
1b2a83dc JA |
1416 | ret = file_bloom_exists(fname, set); |
1417 | if (!ret) | |
1418 | return ret; | |
90426237 JA |
1419 | |
1420 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1421 | struct file_name *fn; |
90426237 | 1422 | |
04d6530f JA |
1423 | fn = flist_entry(entry, struct file_name, list); |
1424 | ||
1425 | if (!strcmp(fn->filename, fname)) | |
1426 | return true; | |
90426237 JA |
1427 | } |
1428 | ||
04d6530f | 1429 | return false; |
bcbfeefa CE |
1430 | } |
1431 | ||
04d6530f | 1432 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1433 | { |
04d6530f | 1434 | bool ret; |
bcbfeefa | 1435 | |
90426237 | 1436 | fio_file_hash_lock(); |
1b2a83dc | 1437 | ret = __is_already_allocated(fname, false); |
90426237 | 1438 | fio_file_hash_unlock(); |
04d6530f | 1439 | |
90426237 JA |
1440 | return ret; |
1441 | } | |
bcbfeefa | 1442 | |
90426237 JA |
1443 | static void set_already_allocated(const char *fname) |
1444 | { | |
1445 | struct file_name *fn; | |
1446 | ||
1447 | fn = malloc(sizeof(struct file_name)); | |
1448 | fn->filename = strdup(fname); | |
1449 | ||
1450 | fio_file_hash_lock(); | |
1b2a83dc | 1451 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1452 | flist_add_tail(&fn->list, &filename_list); |
1453 | fn = NULL; | |
bcbfeefa | 1454 | } |
90426237 | 1455 | fio_file_hash_unlock(); |
bcbfeefa | 1456 | |
90426237 JA |
1457 | if (fn) { |
1458 | free(fn->filename); | |
1459 | free(fn); | |
1460 | } | |
bcbfeefa CE |
1461 | } |
1462 | ||
190b8f0c CF |
1463 | static void free_already_allocated(void) |
1464 | { | |
bcbfeefa CE |
1465 | struct flist_head *entry, *tmp; |
1466 | struct file_name *fn; | |
1467 | ||
90426237 JA |
1468 | if (flist_empty(&filename_list)) |
1469 | return; | |
1470 | ||
1471 | fio_file_hash_lock(); | |
1472 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1473 | fn = flist_entry(entry, struct file_name, list); | |
1474 | free(fn->filename); | |
1475 | flist_del(&fn->list); | |
1476 | free(fn); | |
bcbfeefa | 1477 | } |
90426237 JA |
1478 | |
1479 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1480 | } |
1481 | ||
7b5cb700 JA |
1482 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1483 | { | |
1484 | struct fio_file *f; | |
1485 | ||
cb9bf647 JB |
1486 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1487 | f = calloc(1, sizeof(*f)); | |
1488 | else | |
1489 | f = smalloc(sizeof(*f)); | |
7b5cb700 | 1490 | if (!f) { |
7b5cb700 JA |
1491 | assert(0); |
1492 | return NULL; | |
1493 | } | |
1494 | ||
1495 | f->fd = -1; | |
1496 | f->shadow_fd = -1; | |
1497 | fio_file_reset(td, f); | |
1498 | return f; | |
1499 | } | |
1500 | ||
04d6530f JA |
1501 | bool exists_and_not_regfile(const char *filename) |
1502 | { | |
1503 | struct stat sb; | |
1504 | ||
1505 | if (lstat(filename, &sb) == -1) | |
1506 | return false; | |
1507 | ||
1508 | #ifndef WIN32 /* NOT Windows */ | |
1509 | if (S_ISREG(sb.st_mode)) | |
1510 | return false; | |
1511 | #else | |
1512 | /* \\.\ is the device namespace in Windows, where every file | |
1513 | * is a device node */ | |
1514 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1515 | return false; | |
1516 | #endif | |
1517 | ||
1518 | return true; | |
1519 | } | |
1520 | ||
0b801f22 | 1521 | static int create_work_dirs(struct thread_data *td, const char *fname) |
f1c71016 JB |
1522 | { |
1523 | char path[PATH_MAX]; | |
1524 | char *start, *end; | |
f1c71016 JB |
1525 | |
1526 | if (td->o.directory) { | |
0b801f22 JB |
1527 | snprintf(path, PATH_MAX, "%s%c%s", td->o.directory, |
1528 | FIO_OS_PATH_SEPARATOR, fname); | |
1529 | start = strstr(path, fname); | |
f1c71016 | 1530 | } else { |
0b801f22 JB |
1531 | snprintf(path, PATH_MAX, "%s", fname); |
1532 | start = path; | |
f1c71016 JB |
1533 | } |
1534 | ||
0b801f22 | 1535 | end = start; |
f1c71016 JB |
1536 | while ((end = strchr(end, FIO_OS_PATH_SEPARATOR)) != NULL) { |
1537 | if (end == start) | |
1538 | break; | |
1539 | *end = '\0'; | |
1540 | errno = 0; | |
4252396e | 1541 | #ifdef CONFIG_HAVE_MKDIR_TWO |
0b801f22 | 1542 | if (mkdir(path, 0600) && errno != EEXIST) { |
4252396e JA |
1543 | #else |
1544 | if (mkdir(path) && errno != EEXIST) { | |
1545 | #endif | |
f1c71016 JB |
1546 | log_err("fio: failed to create dir (%s): %d\n", |
1547 | start, errno); | |
0b801f22 | 1548 | return 1; |
f1c71016 JB |
1549 | } |
1550 | *end = FIO_OS_PATH_SEPARATOR; | |
1551 | end++; | |
1552 | } | |
f1c71016 | 1553 | td->flags |= TD_F_DIRS_CREATED; |
0b801f22 | 1554 | return 0; |
f1c71016 JB |
1555 | } |
1556 | ||
5903e7b7 | 1557 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1558 | { |
7b4e4fe5 | 1559 | int cur_files = td->files_index; |
bd0ee748 | 1560 | char file_name[PATH_MAX]; |
af52b345 | 1561 | struct fio_file *f; |
bd0ee748 | 1562 | int len = 0; |
af52b345 | 1563 | |
ee56ad50 JA |
1564 | dprint(FD_FILE, "add file %s\n", fname); |
1565 | ||
bcbfeefa | 1566 | if (td->o.directory) |
922a5be8 JA |
1567 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1568 | td->o.unique_filename); | |
bcbfeefa CE |
1569 | |
1570 | sprintf(file_name + len, "%s", fname); | |
1571 | ||
f1c71016 | 1572 | if (strchr(fname, FIO_OS_PATH_SEPARATOR) && |
0b801f22 JB |
1573 | !(td->flags & TD_F_DIRS_CREATED) && |
1574 | create_work_dirs(td, fname)) | |
1575 | return 1; | |
f1c71016 | 1576 | |
bcbfeefa | 1577 | /* clean cloned siblings using existing files */ |
04d6530f JA |
1578 | if (numjob && is_already_allocated(file_name) && |
1579 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1580 | return 0; |
1581 | ||
7b5cb700 | 1582 | f = alloc_new_file(td); |
bd0ee748 | 1583 | |
fc99bc0d | 1584 | if (td->files_size <= td->files_index) { |
1983e327 | 1585 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1586 | |
fc99bc0d JA |
1587 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1588 | ||
1589 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1590 | if (td->files == NULL) { |
1591 | log_err("fio: realloc OOM\n"); | |
1592 | assert(0); | |
1593 | } | |
d7df1d13 JA |
1594 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1595 | td->file_locks = realloc(td->file_locks, new_size); | |
1596 | if (!td->file_locks) { | |
1597 | log_err("fio: realloc OOM\n"); | |
1598 | assert(0); | |
1599 | } | |
1600 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1601 | } | |
fc99bc0d JA |
1602 | td->files_size = new_size; |
1603 | } | |
8bb7679e | 1604 | td->files[cur_files] = f; |
89ac1d48 | 1605 | f->fileno = cur_files; |
126d65c6 | 1606 | |
07eb79df JA |
1607 | /* |
1608 | * init function, io engine may not be loaded yet | |
1609 | */ | |
9b87f09b | 1610 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1611 | f->real_file_size = -1ULL; |
1612 | ||
cb9bf647 JB |
1613 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1614 | f->file_name = strdup(file_name); | |
1615 | else | |
1616 | f->file_name = smalloc_strdup(file_name); | |
81b3c86f | 1617 | if (!f->file_name) |
c48c0be7 | 1618 | assert(0); |
0b9d69ec | 1619 | |
e3bab463 | 1620 | get_file_type(f); |
af52b345 | 1621 | |
4d4e80f2 JA |
1622 | switch (td->o.file_lock_mode) { |
1623 | case FILE_LOCK_NONE: | |
1624 | break; | |
1625 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1626 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1627 | break; |
1628 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1629 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1630 | break; |
1631 | default: | |
1632 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1633 | assert(0); | |
1634 | } | |
29c1349f | 1635 | |
7b4e4fe5 | 1636 | td->files_index++; |
1549441c JA |
1637 | if (f->filetype == FIO_TYPE_FILE) |
1638 | td->nr_normal_files++; | |
f29b25a3 | 1639 | |
084a5475 JA |
1640 | if (td->o.numjobs > 1) |
1641 | set_already_allocated(file_name); | |
bcbfeefa | 1642 | |
5903e7b7 JA |
1643 | if (inc) |
1644 | td->o.nr_files++; | |
1645 | ||
5ec10eaa JA |
1646 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1647 | cur_files); | |
9efef3c4 | 1648 | |
f29b25a3 | 1649 | return cur_files; |
af52b345 | 1650 | } |
0ad920e7 | 1651 | |
49ffb4a2 JA |
1652 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1653 | { | |
1654 | struct fio_file *f; | |
1655 | unsigned int i; | |
1656 | ||
1657 | for_each_file(td, f, i) { | |
1658 | if (!strcmp(f->file_name, fname)) | |
1659 | return i; | |
1660 | } | |
1661 | ||
5903e7b7 | 1662 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1663 | } |
1664 | ||
0ad920e7 JA |
1665 | void get_file(struct fio_file *f) |
1666 | { | |
8172fe97 | 1667 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1668 | assert(fio_file_open(f)); |
0ad920e7 JA |
1669 | f->references++; |
1670 | } | |
1671 | ||
6977bcd0 | 1672 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1673 | { |
98e1ac4e | 1674 | int f_ret = 0, ret = 0; |
6977bcd0 | 1675 | |
8172fe97 | 1676 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1677 | |
22a57ba8 JA |
1678 | if (!fio_file_open(f)) { |
1679 | assert(f->fd == -1); | |
6977bcd0 | 1680 | return 0; |
22a57ba8 | 1681 | } |
0ad920e7 JA |
1682 | |
1683 | assert(f->references); | |
1684 | if (--f->references) | |
6977bcd0 | 1685 | return 0; |
0ad920e7 | 1686 | |
71b84caa | 1687 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1688 | f_ret = fsync(f->fd); |
71b84caa JA |
1689 | if (f_ret < 0) |
1690 | f_ret = errno; | |
1691 | } | |
ebb1415f | 1692 | |
0ad920e7 | 1693 | if (td->io_ops->close_file) |
6977bcd0 | 1694 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1695 | |
98e1ac4e | 1696 | if (!ret) |
a5fb461f | 1697 | ret = f_ret; |
98e1ac4e | 1698 | |
0ad920e7 | 1699 | td->nr_open_files--; |
d6aed795 | 1700 | fio_file_clear_open(f); |
22a57ba8 | 1701 | assert(f->fd == -1); |
6977bcd0 | 1702 | return ret; |
0ad920e7 | 1703 | } |
bbf6b540 | 1704 | |
4d4e80f2 | 1705 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1706 | { |
4d4e80f2 JA |
1707 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1708 | return; | |
29c1349f | 1709 | |
4d4e80f2 JA |
1710 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1711 | if (ddir == DDIR_READ) | |
d7df1d13 | 1712 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1713 | else |
d7df1d13 | 1714 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1715 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1716 | fio_mutex_down(f->lock); | |
1717 | ||
d7df1d13 | 1718 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1719 | } |
1720 | ||
4d4e80f2 | 1721 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1722 | { |
4d4e80f2 JA |
1723 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1724 | return; | |
4d4e80f2 | 1725 | |
d7df1d13 JA |
1726 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1727 | fio_rwlock_unlock(f->rwlock); | |
1728 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1729 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1730 | |
1731 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1732 | } |
1733 | ||
4d4e80f2 JA |
1734 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1735 | { | |
f2a2803a | 1736 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1737 | return; |
d7df1d13 JA |
1738 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1739 | unlock_file(td, f); | |
4d4e80f2 JA |
1740 | } |
1741 | ||
bbf6b540 JA |
1742 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1743 | { | |
1744 | struct dirent *dir; | |
1745 | int ret = 0; | |
1746 | DIR *D; | |
1747 | ||
1748 | D = opendir(dirname); | |
1749 | if (!D) { | |
0ddb270c JA |
1750 | char buf[FIO_VERROR_SIZE]; |
1751 | ||
98ffb8f3 | 1752 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1753 | td_verror(td, errno, buf); |
bbf6b540 JA |
1754 | return 1; |
1755 | } | |
1756 | ||
1757 | while ((dir = readdir(D)) != NULL) { | |
1758 | char full_path[PATH_MAX]; | |
1759 | struct stat sb; | |
1760 | ||
e85b2b83 JA |
1761 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1762 | continue; | |
96d32d51 | 1763 | |
53a7af85 | 1764 | sprintf(full_path, "%s%c%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1765 | |
1766 | if (lstat(full_path, &sb) == -1) { | |
1767 | if (errno != ENOENT) { | |
1768 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1769 | ret = 1; |
1770 | break; | |
bbf6b540 JA |
1771 | } |
1772 | } | |
1773 | ||
1774 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1775 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1776 | continue; |
1777 | } | |
0ddb270c JA |
1778 | if (!S_ISDIR(sb.st_mode)) |
1779 | continue; | |
bbf6b540 | 1780 | |
5ec10eaa JA |
1781 | ret = recurse_dir(td, full_path); |
1782 | if (ret) | |
bbf6b540 JA |
1783 | break; |
1784 | } | |
1785 | ||
1786 | closedir(D); | |
1787 | return ret; | |
1788 | } | |
1789 | ||
1790 | int add_dir_files(struct thread_data *td, const char *path) | |
1791 | { | |
0ddb270c JA |
1792 | int ret = recurse_dir(td, path); |
1793 | ||
1794 | if (!ret) | |
1795 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1796 | ||
1797 | return ret; | |
bbf6b540 | 1798 | } |
cade3ef4 JA |
1799 | |
1800 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1801 | { | |
1802 | struct fio_file *f; | |
1803 | unsigned int i; | |
9efef3c4 JA |
1804 | |
1805 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1806 | |
1807 | if (!org->files) | |
1808 | return; | |
1809 | ||
9efef3c4 | 1810 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1811 | |
d7df1d13 JA |
1812 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1813 | td->file_locks = malloc(org->files_index); | |
1814 | ||
9efef3c4 | 1815 | for_each_file(org, f, i) { |
b0fe421a JA |
1816 | struct fio_file *__f; |
1817 | ||
7b5cb700 | 1818 | __f = alloc_new_file(td); |
0b9d69ec | 1819 | |
bc3456fa | 1820 | if (f->file_name) { |
cb9bf647 JB |
1821 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1822 | __f->file_name = strdup(f->file_name); | |
1823 | else | |
1824 | __f->file_name = smalloc_strdup(f->file_name); | |
81b3c86f | 1825 | if (!__f->file_name) |
c48c0be7 | 1826 | assert(0); |
0b9d69ec | 1827 | |
bc3456fa AC |
1828 | __f->filetype = f->filetype; |
1829 | } | |
b0fe421a | 1830 | |
67ad9242 JA |
1831 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1832 | __f->lock = f->lock; | |
1833 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1834 | __f->rwlock = f->rwlock; | |
1835 | ||
b0fe421a | 1836 | td->files[i] = __f; |
cade3ef4 JA |
1837 | } |
1838 | } | |
f29b25a3 JA |
1839 | |
1840 | /* | |
1841 | * Returns the index that matches the filename, or -1 if not there | |
1842 | */ | |
1843 | int get_fileno(struct thread_data *td, const char *fname) | |
1844 | { | |
1845 | struct fio_file *f; | |
1846 | unsigned int i; | |
1847 | ||
1848 | for_each_file(td, f, i) | |
1849 | if (!strcmp(f->file_name, fname)) | |
1850 | return i; | |
1851 | ||
1852 | return -1; | |
1853 | } | |
1854 | ||
1855 | /* | |
1856 | * For log usage, where we add/open/close files automatically | |
1857 | */ | |
1858 | void free_release_files(struct thread_data *td) | |
1859 | { | |
1860 | close_files(td); | |
66ee4002 JA |
1861 | td->o.nr_files = 0; |
1862 | td->o.open_files = 0; | |
f29b25a3 JA |
1863 | td->files_index = 0; |
1864 | td->nr_normal_files = 0; | |
1865 | } | |
33c48814 JA |
1866 | |
1867 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1868 | { | |
f1dfb668 JA |
1869 | int i; |
1870 | ||
1871 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1872 | f->last_pos[i] = f->file_offset; | |
1873 | f->last_start[i] = -1ULL; | |
1874 | } | |
1875 | ||
967d1b63 | 1876 | if (fio_file_axmap(f)) |
33c48814 | 1877 | axmap_reset(f->io_axmap); |
967d1b63 | 1878 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1879 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1880 | } | |
002fe734 | 1881 | |
747b3105 | 1882 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1883 | { |
1884 | struct fio_file *f; | |
1885 | unsigned int i; | |
1886 | ||
1887 | for_each_file(td, f, i) | |
1888 | if (!fio_file_done(f)) | |
747b3105 | 1889 | return false; |
002fe734 | 1890 | |
747b3105 | 1891 | return true; |
002fe734 | 1892 | } |
bcbfeefa CE |
1893 | |
1894 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1895 | void filesetup_mem_free(void) |
1896 | { | |
bcbfeefa CE |
1897 | free_already_allocated(); |
1898 | } | |
47534cda TK |
1899 | |
1900 | /* | |
1901 | * This function is for platforms which support direct I/O but not O_DIRECT. | |
1902 | */ | |
1903 | int fio_set_directio(struct thread_data *td, struct fio_file *f) | |
1904 | { | |
1905 | #ifdef FIO_OS_DIRECTIO | |
2905de74 | 1906 | int ret = fio_set_odirect(f); |
47534cda TK |
1907 | |
1908 | if (ret) { | |
1909 | td_verror(td, ret, "fio_set_directio"); | |
1910 | #if defined(__sun__) | |
1911 | if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */ | |
1912 | log_err("fio: doing directIO to RAW devices or ZFS not supported\n"); | |
1913 | } else { | |
1914 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1915 | } | |
1916 | #else | |
1917 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1918 | #endif | |
1919 | return -1; | |
1920 | } | |
1921 | ||
1922 | return 0; | |
1923 | #else | |
51102e0d | 1924 | log_err("fio: direct IO is not supported on this host operating system\n"); |
47534cda TK |
1925 | return -1; |
1926 | #endif | |
1927 | } |