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 | ||
2c3e17be SW |
41 | static inline int native_fallocate(struct thread_data *td, struct fio_file *f) |
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) | |
52 | return 0; | |
53 | ||
54 | if (errno == ENOSYS) | |
55 | dprint(FD_FILE, "native fallocate is not implemented\n"); | |
56 | ||
57 | return -1; | |
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 SW |
68 | case FIO_FALLOCATE_NATIVE: |
69 | r = native_fallocate(td, f); | |
70 | if (r != 0) | |
71 | log_err("fio: native_fallocate call failed: %s\n", | |
72 | strerror(errno)); | |
73 | break; | |
005eb303 JA |
74 | case FIO_FALLOCATE_NONE: |
75 | break; | |
2c3e17be | 76 | #ifdef CONFIG_POSIX_FALLOCATE |
005eb303 JA |
77 | case FIO_FALLOCATE_POSIX: |
78 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
79 | f->file_name, | |
80 | (unsigned long long) f->real_file_size); | |
81 | ||
82 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
83 | if (r > 0) | |
84 | log_err("fio: posix_fallocate fails: %s\n", strerror(r)); | |
85 | break; | |
2c3e17be | 86 | #endif /* CONFIG_POSIX_FALLOCATE */ |
005eb303 JA |
87 | #ifdef CONFIG_LINUX_FALLOCATE |
88 | case FIO_FALLOCATE_KEEP_SIZE: | |
89 | dprint(FD_FILE, "fallocate(FALLOC_FL_KEEP_SIZE) " | |
90 | "file %s size %llu\n", f->file_name, | |
91 | (unsigned long long) f->real_file_size); | |
92 | ||
93 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, f->real_file_size); | |
94 | if (r != 0) | |
95 | td_verror(td, errno, "fallocate"); | |
96 | ||
97 | break; | |
98 | #endif /* CONFIG_LINUX_FALLOCATE */ | |
99 | default: | |
100 | log_err("fio: unknown fallocate mode: %d\n", td->o.fallocate_mode); | |
101 | assert(0); | |
102 | } | |
2c3e17be | 103 | |
005eb303 JA |
104 | } |
105 | ||
3baddf24 JA |
106 | /* |
107 | * Leaves f->fd open on success, caller must close | |
108 | */ | |
7bb48f84 | 109 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 110 | { |
005eb303 | 111 | int new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
112 | unsigned long long left; |
113 | unsigned int bs; | |
f3e1eb23 | 114 | char *b = NULL; |
b2a15192 | 115 | |
4241ea8f JA |
116 | if (read_only) { |
117 | log_err("fio: refusing extend of file due to read-only\n"); | |
118 | return 0; | |
119 | } | |
120 | ||
507a702f JA |
121 | /* |
122 | * check if we need to lay the file out complete again. fio | |
123 | * does that for operations involving reads, or for writes | |
124 | * where overwrite is set | |
125 | */ | |
1417daeb JA |
126 | if (td_read(td) || |
127 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 128 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 129 | new_layout = 1; |
1417daeb | 130 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 131 | unlink_file = 1; |
507a702f | 132 | |
6ae1f57f | 133 | if (unlink_file || new_layout) { |
2442c935 JA |
134 | int ret; |
135 | ||
bd199f2b | 136 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
137 | |
138 | ret = td_io_unlink_file(td, f); | |
139 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
140 | td_verror(td, errno, "unlink"); |
141 | return 1; | |
142 | } | |
143 | } | |
144 | ||
2378826d JA |
145 | flags = O_WRONLY; |
146 | if (td->o.allow_create) | |
147 | flags |= O_CREAT; | |
507a702f JA |
148 | if (new_layout) |
149 | flags |= O_TRUNC; | |
150 | ||
9c0f3f32 BC |
151 | #ifdef WIN32 |
152 | flags |= _O_BINARY; | |
153 | #endif | |
154 | ||
ee56ad50 | 155 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 156 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 157 | if (f->fd < 0) { |
2378826d JA |
158 | int err = errno; |
159 | ||
160 | if (err == ENOENT && !td->o.allow_create) | |
161 | log_err("fio: file creation disallowed by " | |
162 | "allow_file_create=0\n"); | |
163 | else | |
164 | td_verror(td, err, "open"); | |
53cdc686 JA |
165 | return 1; |
166 | } | |
167 | ||
005eb303 | 168 | fallocate_file(td, f); |
9b836561 | 169 | |
79591fa9 TK |
170 | /* |
171 | * If our jobs don't require regular files initially, we're done. | |
172 | */ | |
fc74ac1d SL |
173 | if (!new_layout) |
174 | goto done; | |
175 | ||
5e0074c2 JA |
176 | /* |
177 | * The size will be -1ULL when fill_device is used, so don't truncate | |
178 | * or fallocate this file, just write it | |
179 | */ | |
180 | if (!td->o.fill_device) { | |
181 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 182 | (unsigned long long) f->real_file_size); |
5e0074c2 | 183 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
184 | if (errno != EFBIG) { |
185 | td_verror(td, errno, "ftruncate"); | |
186 | goto err; | |
187 | } | |
5e0074c2 | 188 | } |
5e0074c2 | 189 | } |
40f8298c | 190 | |
82d8de31 TK |
191 | left = f->real_file_size; |
192 | bs = td->o.max_bs[DDIR_WRITE]; | |
193 | if (bs > left) | |
194 | bs = left; | |
195 | ||
196 | b = malloc(bs); | |
84af30a1 TK |
197 | if (!b) { |
198 | td_verror(td, errno, "malloc"); | |
199 | goto err; | |
200 | } | |
53cdc686 | 201 | |
53cdc686 | 202 | while (left && !td->terminate) { |
005eb303 JA |
203 | ssize_t r; |
204 | ||
53cdc686 JA |
205 | if (bs > left) |
206 | bs = left; | |
207 | ||
cc86c395 JA |
208 | fill_io_buffer(td, b, bs, bs); |
209 | ||
53cdc686 JA |
210 | r = write(f->fd, b, bs); |
211 | ||
5e0074c2 JA |
212 | if (r > 0) { |
213 | left -= r; | |
53cdc686 JA |
214 | continue; |
215 | } else { | |
5e0074c2 JA |
216 | if (r < 0) { |
217 | int __e = errno; | |
218 | ||
219 | if (__e == ENOSPC) { | |
220 | if (td->o.fill_device) | |
221 | break; | |
222 | log_info("fio: ENOSPC on laying out " | |
223 | "file, stopping\n"); | |
224 | break; | |
225 | } | |
e1161c32 | 226 | td_verror(td, errno, "write"); |
5e0074c2 | 227 | } else |
e1161c32 | 228 | td_verror(td, EIO, "write"); |
53cdc686 JA |
229 | |
230 | break; | |
231 | } | |
232 | } | |
233 | ||
ffdfabd4 JA |
234 | if (td->terminate) { |
235 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 236 | td_io_unlink_file(td, f); |
ffdfabd4 | 237 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
238 | if (fsync(f->fd) < 0) { |
239 | td_verror(td, errno, "fsync"); | |
240 | goto err; | |
241 | } | |
242 | } | |
0d1cd207 | 243 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 244 | fio_file_clear_size_known(f); |
5e0074c2 JA |
245 | if (td_io_get_file_size(td, f)) |
246 | goto err; | |
247 | if (f->io_size > f->real_file_size) | |
248 | f->io_size = f->real_file_size; | |
249 | } | |
53cdc686 JA |
250 | |
251 | free(b); | |
507a702f | 252 | done: |
53cdc686 JA |
253 | return 0; |
254 | err: | |
255 | close(f->fd); | |
256 | f->fd = -1; | |
f3e1eb23 JA |
257 | if (b) |
258 | free(b); | |
53cdc686 JA |
259 | return 1; |
260 | } | |
261 | ||
afad68f7 ZY |
262 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
263 | { | |
ef799a64 | 264 | int ret = 0, r, did_open = 0, old_runstate; |
afad68f7 ZY |
265 | unsigned long long left; |
266 | unsigned int bs; | |
267 | char *b; | |
268 | ||
736f1188 TK |
269 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
270 | td_ioengine_flagged(td, FIO_NOIO)) | |
9c0d2241 JA |
271 | return 0; |
272 | ||
e658078b TK |
273 | if (f->filetype == FIO_TYPE_CHAR) |
274 | return 0; | |
275 | ||
d6aed795 | 276 | if (!fio_file_open(f)) { |
b0f65863 JA |
277 | if (td->io_ops->open_file(td, f)) { |
278 | log_err("fio: cannot pre-read, failed to open file\n"); | |
279 | return 1; | |
280 | } | |
281 | did_open = 1; | |
282 | } | |
283 | ||
8edd973d | 284 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 285 | |
82d8de31 | 286 | left = f->io_size; |
afad68f7 | 287 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
288 | if (bs > left) |
289 | bs = left; | |
290 | ||
afad68f7 | 291 | b = malloc(bs); |
84af30a1 TK |
292 | if (!b) { |
293 | td_verror(td, errno, "malloc"); | |
294 | ret = 1; | |
295 | goto error; | |
296 | } | |
afad68f7 ZY |
297 | memset(b, 0, bs); |
298 | ||
ef799a64 JA |
299 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
300 | td_verror(td, errno, "lseek"); | |
301 | log_err("fio: failed to lseek pre-read file\n"); | |
302 | ret = 1; | |
303 | goto error; | |
304 | } | |
305 | ||
afad68f7 ZY |
306 | while (left && !td->terminate) { |
307 | if (bs > left) | |
308 | bs = left; | |
309 | ||
310 | r = read(f->fd, b, bs); | |
311 | ||
312 | if (r == (int) bs) { | |
313 | left -= bs; | |
314 | continue; | |
315 | } else { | |
316 | td_verror(td, EIO, "pre_read"); | |
317 | break; | |
318 | } | |
319 | } | |
320 | ||
ef799a64 | 321 | error: |
8edd973d | 322 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
323 | |
324 | if (did_open) | |
325 | td->io_ops->close_file(td, f); | |
ef799a64 | 326 | |
afad68f7 | 327 | free(b); |
ef799a64 | 328 | return ret; |
afad68f7 ZY |
329 | } |
330 | ||
a3f001f5 | 331 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 332 | { |
dc873b6f | 333 | unsigned long long ret, sized; |
c3546b53 | 334 | uint64_t frand_max; |
1294c3ec | 335 | unsigned long r; |
9c60ce64 | 336 | |
c3546b53 | 337 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 338 | r = __rand(&td->file_size_state); |
54a21917 | 339 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 340 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 341 | ret += td->o.file_size_low; |
2dc1bbeb | 342 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
343 | return ret; |
344 | } | |
345 | ||
53cdc686 JA |
346 | static int file_size(struct thread_data *td, struct fio_file *f) |
347 | { | |
348 | struct stat st; | |
349 | ||
df9c26b1 | 350 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
351 | td_verror(td, errno, "fstat"); |
352 | return 1; | |
353 | } | |
53cdc686 | 354 | |
7bb48f84 | 355 | f->real_file_size = st.st_size; |
53cdc686 JA |
356 | return 0; |
357 | } | |
358 | ||
359 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
360 | { | |
9b836561 | 361 | unsigned long long bytes = 0; |
53cdc686 JA |
362 | int r; |
363 | ||
df9c26b1 JA |
364 | if (td->io_ops->open_file(td, f)) { |
365 | log_err("fio: failed opening blockdev %s for size check\n", | |
366 | f->file_name); | |
367 | return 1; | |
368 | } | |
369 | ||
ecc314ba | 370 | r = blockdev_size(f, &bytes); |
53cdc686 | 371 | if (r) { |
e1161c32 | 372 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 373 | goto err; |
53cdc686 JA |
374 | } |
375 | ||
7ab077ab JA |
376 | if (!bytes) { |
377 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 378 | goto err; |
7ab077ab JA |
379 | } |
380 | ||
53cdc686 | 381 | f->real_file_size = bytes; |
22a57ba8 | 382 | td->io_ops->close_file(td, f); |
53cdc686 | 383 | return 0; |
df9c26b1 JA |
384 | err: |
385 | td->io_ops->close_file(td, f); | |
386 | return 1; | |
53cdc686 JA |
387 | } |
388 | ||
4ccdccd1 JA |
389 | static int char_size(struct thread_data *td, struct fio_file *f) |
390 | { | |
391 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 392 | unsigned long long bytes = 0; |
4ccdccd1 JA |
393 | int r; |
394 | ||
395 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 396 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
397 | f->file_name); |
398 | return 1; | |
399 | } | |
400 | ||
ecc314ba | 401 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
402 | if (r) { |
403 | td_verror(td, r, "chardev_size"); | |
404 | goto err; | |
405 | } | |
406 | ||
407 | if (!bytes) { | |
408 | log_err("%s: zero sized char device?\n", f->file_name); | |
409 | goto err; | |
410 | } | |
411 | ||
412 | f->real_file_size = bytes; | |
413 | td->io_ops->close_file(td, f); | |
414 | return 0; | |
415 | err: | |
416 | td->io_ops->close_file(td, f); | |
417 | return 1; | |
418 | #else | |
419 | f->real_file_size = -1ULL; | |
420 | return 0; | |
421 | #endif | |
422 | } | |
423 | ||
53cdc686 JA |
424 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
425 | { | |
426 | int ret = 0; | |
427 | ||
d6aed795 | 428 | if (fio_file_size_known(f)) |
409b3417 JA |
429 | return 0; |
430 | ||
7bb48f84 JA |
431 | if (f->filetype == FIO_TYPE_FILE) |
432 | ret = file_size(td, f); | |
686fbd31 | 433 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 434 | ret = bdev_size(td, f); |
4ccdccd1 JA |
435 | else if (f->filetype == FIO_TYPE_CHAR) |
436 | ret = char_size(td, f); | |
0f34169a TK |
437 | else |
438 | f->real_file_size = -1ULL; | |
53cdc686 | 439 | |
79591fa9 TK |
440 | /* |
441 | * Leave ->real_file_size with 0 since it could be expectation | |
442 | * of initial setup for regular files. | |
443 | */ | |
a0cb220b | 444 | if (ret) |
53cdc686 JA |
445 | return ret; |
446 | ||
0f34169a TK |
447 | /* |
448 | * If ->real_file_size is -1, a conditional for the message | |
449 | * "offset extends end" is always true, but it makes no sense, | |
450 | * so just return the same value here. | |
451 | */ | |
452 | if (f->real_file_size == -1ULL) { | |
453 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
454 | f->file_name); | |
455 | return 1; | |
456 | } | |
457 | ||
458 | if (td->o.start_offset && f->file_offset == 0) | |
459 | dprint(FD_FILE, "offset of file %s not initialized yet\n", | |
460 | f->file_name); | |
957c81b9 TK |
461 | /* |
462 | * ->file_offset normally hasn't been initialized yet, so this | |
0f34169a | 463 | * is basically always false. |
957c81b9 | 464 | */ |
53cdc686 | 465 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 466 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
467 | (unsigned long long) f->file_offset, |
468 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
469 | return 1; |
470 | } | |
471 | ||
d6aed795 | 472 | fio_file_set_size_known(f); |
53cdc686 JA |
473 | return 0; |
474 | } | |
475 | ||
3baddf24 JA |
476 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
477 | unsigned long long off, | |
478 | unsigned long long len) | |
e5b401d4 | 479 | { |
942a851a | 480 | int errval = 0, ret = 0; |
e5b401d4 | 481 | |
c8931876 JA |
482 | #ifdef CONFIG_ESX |
483 | return 0; | |
484 | #endif | |
485 | ||
5e0074c2 | 486 | if (len == -1ULL) |
3baddf24 JA |
487 | len = f->io_size; |
488 | if (off == -1ULL) | |
489 | off = f->file_offset; | |
ee56ad50 | 490 | |
0d1cd207 JA |
491 | if (len == -1ULL || off == -1ULL) |
492 | return 0; | |
493 | ||
942a851a | 494 | if (td->io_ops->invalidate) { |
4499dbef TK |
495 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
496 | f->file_name); | |
d9b100fc | 497 | ret = td->io_ops->invalidate(td, f); |
942a851a | 498 | if (ret < 0) |
afd118db | 499 | errval = -ret; |
942a851a | 500 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
501 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
502 | f->file_name, off, len); | |
ecc314ba | 503 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 504 | if (ret) |
942a851a | 505 | errval = ret; |
686fbd31 | 506 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
507 | int retry_count = 0; |
508 | ||
4499dbef | 509 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 510 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
511 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
512 | /* | |
513 | * Linux multipath devices reject ioctl while | |
514 | * the maps are being updated. That window can | |
515 | * last tens of milliseconds; we'll try up to | |
516 | * a quarter of a second. | |
517 | */ | |
518 | usleep(10000); | |
519 | ret = blockdev_invalidate_cache(f); | |
520 | } | |
7e0e25c9 | 521 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 522 | if (!root_warn) { |
5ec10eaa JA |
523 | log_err("fio: only root may flush block " |
524 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
525 | root_warn = 1; |
526 | } | |
7e0e25c9 JA |
527 | ret = 0; |
528 | } | |
942a851a JA |
529 | if (ret < 0) |
530 | errval = errno; | |
22de5d77 TK |
531 | else if (ret) /* probably not supported */ |
532 | errval = ret; | |
4499dbef TK |
533 | } else if (f->filetype == FIO_TYPE_CHAR || |
534 | f->filetype == FIO_TYPE_PIPE) { | |
535 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
e5b401d4 | 536 | ret = 0; |
4499dbef | 537 | } |
e5b401d4 | 538 | |
dfe11fd1 JA |
539 | /* |
540 | * Cache flushing isn't a fatal condition, and we know it will | |
541 | * happen on some platforms where we don't have the proper | |
542 | * function to flush eg block device caches. So just warn and | |
543 | * continue on our way. | |
544 | */ | |
942a851a | 545 | if (errval) |
22de5d77 TK |
546 | log_info("fio: cache invalidation of %s failed: %s\n", |
547 | f->file_name, strerror(errval)); | |
e5b401d4 | 548 | |
dfe11fd1 | 549 | return 0; |
3baddf24 JA |
550 | |
551 | } | |
552 | ||
553 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
554 | { | |
d6aed795 | 555 | if (!fio_file_open(f)) |
a5fb461f JA |
556 | return 0; |
557 | ||
5e0074c2 | 558 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
559 | } |
560 | ||
6977bcd0 | 561 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 562 | { |
6977bcd0 JA |
563 | int ret = 0; |
564 | ||
ee56ad50 | 565 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
566 | |
567 | remove_file_hash(f); | |
568 | ||
6977bcd0 JA |
569 | if (close(f->fd) < 0) |
570 | ret = errno; | |
571 | ||
b5af8293 | 572 | f->fd = -1; |
e6c4d732 JA |
573 | |
574 | if (f->shadow_fd != -1) { | |
575 | close(f->shadow_fd); | |
576 | f->shadow_fd = -1; | |
577 | } | |
578 | ||
710bf9c5 | 579 | f->engine_pos = 0; |
6977bcd0 | 580 | return ret; |
53cdc686 JA |
581 | } |
582 | ||
1ccc6dc7 | 583 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 584 | { |
29c1349f | 585 | struct fio_file *__f; |
4d4e80f2 JA |
586 | int from_hash; |
587 | ||
588 | __f = lookup_file_hash(f->file_name); | |
589 | if (__f) { | |
9efef3c4 | 590 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 591 | f->lock = __f->lock; |
4d4e80f2 JA |
592 | from_hash = 1; |
593 | } else { | |
9efef3c4 | 594 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
595 | from_hash = 0; |
596 | } | |
597 | ||
9c0f3f32 BC |
598 | #ifdef WIN32 |
599 | flags |= _O_BINARY; | |
600 | #endif | |
601 | ||
e8670ef8 | 602 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
603 | return from_hash; |
604 | } | |
605 | ||
e6c4d732 JA |
606 | static int file_close_shadow_fds(struct thread_data *td) |
607 | { | |
608 | struct fio_file *f; | |
609 | int num_closed = 0; | |
610 | unsigned int i; | |
611 | ||
612 | for_each_file(td, f, i) { | |
613 | if (f->shadow_fd == -1) | |
614 | continue; | |
615 | ||
616 | close(f->shadow_fd); | |
617 | f->shadow_fd = -1; | |
618 | num_closed++; | |
619 | } | |
620 | ||
621 | return num_closed; | |
622 | } | |
623 | ||
4d4e80f2 JA |
624 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
625 | { | |
66159828 | 626 | int is_std = 0; |
53cdc686 | 627 | int flags = 0; |
29c1349f | 628 | int from_hash = 0; |
53cdc686 | 629 | |
ee56ad50 JA |
630 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
631 | ||
66159828 JA |
632 | if (!strcmp(f->file_name, "-")) { |
633 | if (td_rw(td)) { | |
634 | log_err("fio: can't read/write to stdin/out\n"); | |
635 | return 1; | |
636 | } | |
637 | is_std = 1; | |
ce98fa66 JA |
638 | |
639 | /* | |
640 | * move output logging to stderr, if we are writing to stdout | |
641 | */ | |
642 | if (td_write(td)) | |
643 | f_out = stderr; | |
66159828 JA |
644 | } |
645 | ||
6eaf09d6 SL |
646 | if (td_trim(td)) |
647 | goto skip_flags; | |
2dc1bbeb | 648 | if (td->o.odirect) |
2fd233b7 | 649 | flags |= OS_O_DIRECT; |
d01612f3 CM |
650 | if (td->o.oatomic) { |
651 | if (!FIO_O_ATOMIC) { | |
652 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
653 | return 1; | |
654 | } | |
655 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
656 | } | |
2dc1bbeb | 657 | if (td->o.sync_io) |
2fd233b7 | 658 | flags |= O_SYNC; |
2378826d | 659 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 660 | flags |= O_CREAT; |
6eaf09d6 SL |
661 | skip_flags: |
662 | if (f->filetype != FIO_TYPE_FILE) | |
663 | flags |= FIO_O_NOATIME; | |
53cdc686 | 664 | |
056f3459 | 665 | open_again: |
660a1cb5 | 666 | if (td_write(td)) { |
17308158 JA |
667 | if (!read_only) |
668 | flags |= O_RDWR; | |
53cdc686 | 669 | |
2378826d | 670 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 671 | flags |= O_CREAT; |
2fd233b7 | 672 | |
66159828 JA |
673 | if (is_std) |
674 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
675 | else |
676 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 677 | } else if (td_read(td)) { |
4241ea8f | 678 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
679 | flags |= O_RDWR; |
680 | else | |
681 | flags |= O_RDONLY; | |
682 | ||
66159828 JA |
683 | if (is_std) |
684 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
685 | else |
686 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
687 | } else if (td_trim(td)) { |
688 | assert(!td_rw(td)); /* should have matched above */ | |
6eaf09d6 SL |
689 | flags |= O_RDWR; |
690 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
691 | } |
692 | ||
693 | if (f->fd == -1) { | |
e4e33258 | 694 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
695 | int __e = errno; |
696 | ||
835d9b9e | 697 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 698 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
699 | goto open_again; |
700 | } | |
e6c4d732 JA |
701 | if (__e == EMFILE && file_close_shadow_fds(td)) |
702 | goto open_again; | |
056f3459 | 703 | |
98ffb8f3 | 704 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 705 | |
a93c5f04 JA |
706 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
707 | log_err("fio: looks like your file system does not " \ | |
708 | "support direct=1/buffered=0\n"); | |
709 | } | |
710 | ||
e4e33258 | 711 | td_verror(td, __e, buf); |
3ce3ad33 | 712 | return 1; |
53cdc686 JA |
713 | } |
714 | ||
29c1349f JA |
715 | if (!from_hash && f->fd != -1) { |
716 | if (add_file_hash(f)) { | |
3f0ca9b9 | 717 | int fio_unused ret; |
29c1349f JA |
718 | |
719 | /* | |
e6c4d732 JA |
720 | * Stash away descriptor for later close. This is to |
721 | * work-around a "feature" on Linux, where a close of | |
722 | * an fd that has been opened for write will trigger | |
723 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 724 | * That pollutes the device cache, which can slow down |
e6c4d732 | 725 | * unbuffered accesses. |
29c1349f | 726 | */ |
e6c4d732 JA |
727 | if (f->shadow_fd == -1) |
728 | f->shadow_fd = f->fd; | |
729 | else { | |
730 | /* | |
731 | * OK to ignore, we haven't done anything | |
732 | * with it | |
733 | */ | |
734 | ret = generic_close_file(td, f); | |
735 | } | |
29c1349f JA |
736 | goto open_again; |
737 | } | |
738 | } | |
4906e0b5 | 739 | |
53cdc686 | 740 | return 0; |
b5af8293 JA |
741 | } |
742 | ||
79591fa9 TK |
743 | /* |
744 | * This function i.e. get_file_size() is the default .get_file_size | |
745 | * implementation of majority of I/O engines. | |
746 | */ | |
df9c26b1 | 747 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 748 | { |
df9c26b1 | 749 | return get_file_size(td, f); |
21972cde JA |
750 | } |
751 | ||
7bb48f84 JA |
752 | /* |
753 | * open/close all files, so that ->real_file_size gets set | |
754 | */ | |
bab3fd58 | 755 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
756 | { |
757 | struct fio_file *f; | |
758 | unsigned int i; | |
bab3fd58 | 759 | int err = 0; |
7bb48f84 JA |
760 | |
761 | for_each_file(td, f, i) { | |
08c44a55 | 762 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 763 | f->file_name); |
9efef3c4 | 764 | |
99a47c69 | 765 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
766 | if (td->error != ENOENT) { |
767 | log_err("%s\n", td->verror); | |
768 | err = 1; | |
3ce3ad33 | 769 | break; |
40b44f4a | 770 | } |
541d66d7 | 771 | clear_error(td); |
07eb79df | 772 | } |
409b3417 | 773 | |
79591fa9 TK |
774 | /* |
775 | * There are corner cases where we end up with -1 for | |
776 | * ->real_file_size due to unsupported file type, etc. | |
777 | * We then just set to size option value divided by number | |
778 | * of files, similar to the way file ->io_size is set. | |
779 | * stat(2) failure doesn't set ->real_file_size to -1. | |
780 | */ | |
409b3417 JA |
781 | if (f->real_file_size == -1ULL && td->o.size) |
782 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 783 | } |
bab3fd58 JA |
784 | |
785 | return err; | |
7bb48f84 JA |
786 | } |
787 | ||
2e3bd4c2 JA |
788 | struct fio_mount { |
789 | struct flist_head list; | |
790 | const char *base; | |
791 | char __base[256]; | |
792 | unsigned int key; | |
793 | }; | |
794 | ||
795 | /* | |
796 | * Get free number of bytes for each file on each unique mount. | |
797 | */ | |
798 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
799 | { | |
800 | struct flist_head *n, *tmp; | |
68b0316f | 801 | unsigned long long ret = 0; |
2e3bd4c2 JA |
802 | struct fio_mount *fm; |
803 | FLIST_HEAD(list); | |
804 | struct fio_file *f; | |
805 | unsigned int i; | |
806 | ||
807 | for_each_file(td, f, i) { | |
808 | struct stat sb; | |
809 | char buf[256]; | |
810 | ||
686fbd31 | 811 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
812 | if (f->real_file_size != -1ULL) |
813 | ret += f->real_file_size; | |
68b0316f JA |
814 | continue; |
815 | } else if (f->filetype != FIO_TYPE_FILE) | |
816 | continue; | |
817 | ||
da27a4bf JA |
818 | buf[255] = '\0'; |
819 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
820 | |
821 | if (stat(buf, &sb) < 0) { | |
822 | if (errno != ENOENT) | |
823 | break; | |
824 | strcpy(buf, "."); | |
825 | if (stat(buf, &sb) < 0) | |
826 | break; | |
827 | } | |
828 | ||
829 | fm = NULL; | |
830 | flist_for_each(n, &list) { | |
831 | fm = flist_entry(n, struct fio_mount, list); | |
832 | if (fm->key == sb.st_dev) | |
833 | break; | |
834 | ||
835 | fm = NULL; | |
836 | } | |
837 | ||
838 | if (fm) | |
839 | continue; | |
840 | ||
3660ceae JA |
841 | fm = calloc(1, sizeof(*fm)); |
842 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
843 | fm->base = basename(fm->__base); |
844 | fm->key = sb.st_dev; | |
845 | flist_add(&fm->list, &list); | |
846 | } | |
847 | ||
2e3bd4c2 JA |
848 | flist_for_each_safe(n, tmp, &list) { |
849 | unsigned long long sz; | |
850 | ||
851 | fm = flist_entry(n, struct fio_mount, list); | |
852 | flist_del(&fm->list); | |
853 | ||
c08ad04c | 854 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
855 | if (sz && sz != -1ULL) |
856 | ret += sz; | |
857 | ||
858 | free(fm); | |
859 | } | |
860 | ||
861 | return ret; | |
862 | } | |
863 | ||
bedc9dc2 | 864 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 865 | { |
bedc9dc2 | 866 | struct thread_options *o = &td->o; |
872e0415 JA |
867 | unsigned long long align_bs; |
868 | unsigned long long offset; | |
bedc9dc2 JA |
869 | |
870 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
871 | return f->real_file_size; | |
872 | ||
89978a6b | 873 | if (o->start_offset_percent > 0) { |
872e0415 JA |
874 | /* |
875 | * if blockalign is provided, find the min across read, write, | |
876 | * and trim | |
877 | */ | |
89978a6b BW |
878 | if (fio_option_is_set(o, ba)) { |
879 | align_bs = (unsigned long long) min(o->ba[DDIR_READ], o->ba[DDIR_WRITE]); | |
880 | align_bs = min((unsigned long long) o->ba[DDIR_TRIM], align_bs); | |
872e0415 JA |
881 | } else { |
882 | /* else take the minimum block size */ | |
89978a6b BW |
883 | align_bs = td_min_bs(td); |
884 | } | |
885 | ||
886 | /* calculate the raw offset */ | |
887 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
888 | (td->subjob_number * o->offset_increment); | |
889 | ||
872e0415 JA |
890 | /* |
891 | * block align the offset at the next available boundary at | |
892 | * ceiling(offset / align_bs) * align_bs | |
893 | */ | |
89978a6b BW |
894 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
895 | ||
872e0415 JA |
896 | } else { |
897 | /* start_offset_percent not set */ | |
f0d13935 JA |
898 | offset = o->start_offset + |
899 | td->subjob_number * o->offset_increment; | |
89978a6b | 900 | } |
872e0415 | 901 | |
89978a6b | 902 | return offset; |
ce95d651 DE |
903 | } |
904 | ||
7bb48f84 JA |
905 | /* |
906 | * Open the files and setup files sizes, creating files if necessary. | |
907 | */ | |
53cdc686 JA |
908 | int setup_files(struct thread_data *td) |
909 | { | |
7bb48f84 | 910 | unsigned long long total_size, extend_size; |
de98bd30 | 911 | struct thread_options *o = &td->o; |
53cdc686 | 912 | struct fio_file *f; |
002fe734 | 913 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 914 | int err = 0, need_extend; |
e90391eb | 915 | int old_state; |
002fe734 JA |
916 | const unsigned int bs = td_min_bs(td); |
917 | uint64_t fs = 0; | |
53cdc686 | 918 | |
ee56ad50 JA |
919 | dprint(FD_FILE, "setup files\n"); |
920 | ||
8edd973d | 921 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 922 | |
de98bd30 | 923 | if (o->read_iolog_file) |
25460cf6 | 924 | goto done; |
691c8fb0 | 925 | |
53cdc686 | 926 | /* |
79591fa9 TK |
927 | * Find out physical size of files or devices for this thread, |
928 | * before we determine I/O size and range of our targets. | |
929 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
930 | * opening the files and setting f->real_file_size to indicate |
931 | * the valid range for that file. | |
53cdc686 JA |
932 | */ |
933 | if (td->io_ops->setup) | |
7bb48f84 JA |
934 | err = td->io_ops->setup(td); |
935 | else | |
bab3fd58 | 936 | err = get_file_sizes(td); |
53cdc686 | 937 | |
f1027063 | 938 | if (err) |
e90391eb | 939 | goto err_out; |
f1027063 | 940 | |
0a7eb121 | 941 | /* |
7bb48f84 JA |
942 | * check sizes. if the files/devices do not exist and the size |
943 | * isn't passed to fio, abort. | |
0a7eb121 | 944 | */ |
7bb48f84 JA |
945 | total_size = 0; |
946 | for_each_file(td, f, i) { | |
49a416bd | 947 | f->fileno = i; |
7bb48f84 JA |
948 | if (f->real_file_size == -1ULL) |
949 | total_size = -1ULL; | |
950 | else | |
951 | total_size += f->real_file_size; | |
952 | } | |
0a7eb121 | 953 | |
de98bd30 | 954 | if (o->fill_device) |
2e3bd4c2 JA |
955 | td->fill_device_size = get_fs_free_counts(td); |
956 | ||
7bb48f84 JA |
957 | /* |
958 | * device/file sizes are zero and no size given, punt | |
959 | */ | |
de98bd30 | 960 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 961 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
962 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
963 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 964 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 965 | goto err_out; |
53cdc686 JA |
966 | } |
967 | ||
002fe734 JA |
968 | /* |
969 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 970 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 971 | */ |
d1e78e6b | 972 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
973 | uint64_t all_fs; |
974 | ||
975 | fs = o->size / o->nr_files; | |
976 | all_fs = fs * o->nr_files; | |
977 | ||
978 | if (all_fs < o->size) | |
979 | nr_fs_extra = (o->size - all_fs) / bs; | |
980 | } | |
981 | ||
7bb48f84 JA |
982 | /* |
983 | * now file sizes are known, so we can set ->io_size. if size= is | |
984 | * not given, ->io_size is just equal to ->real_file_size. if size | |
985 | * is given, ->io_size is size / nr_files. | |
986 | */ | |
987 | extend_size = total_size = 0; | |
988 | need_extend = 0; | |
989 | for_each_file(td, f, i) { | |
bedc9dc2 | 990 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 991 | |
79591fa9 TK |
992 | /* |
993 | * Update ->io_size depending on options specified. | |
994 | * ->file_size_low being 0 means filesize option isn't set. | |
995 | * Non zero ->file_size_low equals ->file_size_high means | |
996 | * filesize option is set in a fixed size format. | |
997 | * Non zero ->file_size_low not equals ->file_size_high means | |
998 | * filesize option is set in a range format. | |
999 | */ | |
de98bd30 | 1000 | if (!o->file_size_low) { |
7bb48f84 | 1001 | /* |
79591fa9 | 1002 | * no file size or range given, file size is equal to |
c4aa2d08 | 1003 | * total size divided by number of files. If the size |
002fe734 JA |
1004 | * doesn't divide nicely with the min blocksize, |
1005 | * make the first files bigger. | |
7bb48f84 | 1006 | */ |
002fe734 JA |
1007 | f->io_size = fs; |
1008 | if (nr_fs_extra) { | |
1009 | nr_fs_extra--; | |
1010 | f->io_size += bs; | |
1011 | } | |
1012 | ||
c4aa2d08 | 1013 | /* |
c6dfd837 TK |
1014 | * We normally don't come here for regular files, but |
1015 | * if the result is 0 for a regular file, set it to the | |
1016 | * real file size. This could be size of the existing | |
1017 | * one if it already exists, but otherwise will be set | |
1018 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
1019 | * ->io_size + ->file_offset equals ->real_file_size. |
1020 | */ | |
1021 | if (!f->io_size) { | |
1022 | if (f->file_offset > f->real_file_size) | |
1023 | goto err_offset; | |
273f8c91 | 1024 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
1025 | if (!f->io_size) |
1026 | log_info("fio: file %s may be ignored\n", | |
1027 | f->file_name); | |
1028 | } | |
de98bd30 JA |
1029 | } else if (f->real_file_size < o->file_size_low || |
1030 | f->real_file_size > o->file_size_high) { | |
1031 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1032 | goto err_offset; |
7bb48f84 JA |
1033 | /* |
1034 | * file size given. if it's fixed, use that. if it's a | |
1035 | * range, generate a random size in-between. | |
1036 | */ | |
de98bd30 JA |
1037 | if (o->file_size_low == o->file_size_high) |
1038 | f->io_size = o->file_size_low - f->file_offset; | |
1039 | else { | |
5ec10eaa JA |
1040 | f->io_size = get_rand_file_size(td) |
1041 | - f->file_offset; | |
1042 | } | |
65bdb10a | 1043 | } else |
bcdedd0a | 1044 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1045 | |
7bb48f84 JA |
1046 | if (f->io_size == -1ULL) |
1047 | total_size = -1ULL; | |
4d002569 | 1048 | else { |
e391c704 | 1049 | if (o->size_percent) { |
76e4bb4f SW |
1050 | uint64_t file_size; |
1051 | ||
1052 | file_size = f->io_size + f->file_offset; | |
1053 | f->io_size = (file_size * | |
1054 | o->size_percent) / 100; | |
1055 | if (f->io_size > (file_size - f->file_offset)) | |
1056 | f->io_size = file_size - f->file_offset; | |
1057 | ||
e391c704 JA |
1058 | f->io_size -= (f->io_size % td_min_bs(td)); |
1059 | } | |
7bb48f84 | 1060 | total_size += f->io_size; |
4d002569 | 1061 | } |
7bb48f84 JA |
1062 | |
1063 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 1064 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 1065 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
1066 | if (!o->create_on_open) { |
1067 | need_extend++; | |
814452bd | 1068 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1069 | fio_file_set_extend(f); |
5fd31680 | 1070 | } else |
814452bd | 1071 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1072 | } |
7bb48f84 | 1073 | } |
53cdc686 | 1074 | |
66347cfa DE |
1075 | if (td->o.block_error_hist) { |
1076 | int len; | |
1077 | ||
1078 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1079 | f = td->files[0]; | |
1080 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1081 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1082 | log_err("fio: cannot calculate block histogram with " | |
1083 | "%d trim blocks, maximum %d\n", | |
1084 | len, MAX_NR_BLOCK_INFOS); | |
1085 | td_verror(td, EINVAL, "block_error_hist"); | |
1086 | goto err_out; | |
1087 | } | |
1088 | ||
1089 | td->ts.nr_block_infos = len; | |
8a68c41c | 1090 | for (i = 0; i < len; i++) |
66347cfa DE |
1091 | td->ts.block_infos[i] = |
1092 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1093 | } else | |
1094 | td->ts.nr_block_infos = 0; | |
1095 | ||
0bc27b0b | 1096 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1097 | o->size = total_size; |
21972cde | 1098 | |
d1faa06d JA |
1099 | if (o->size < td_min_bs(td)) { |
1100 | log_err("fio: blocksize too large for data set\n"); | |
1101 | goto err_out; | |
1102 | } | |
1103 | ||
7bb48f84 | 1104 | /* |
79591fa9 TK |
1105 | * See if we need to extend some files, typically needed when our |
1106 | * target regular files don't exist yet, but our jobs require them | |
1107 | * initially due to read I/Os. | |
7bb48f84 JA |
1108 | */ |
1109 | if (need_extend) { | |
1110 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1111 | if (output_format & FIO_OUTPUT_NORMAL) { |
1112 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1113 | o->name, | |
1114 | need_extend > 1 ? "s" : "", | |
1115 | need_extend, | |
1116 | need_extend > 1 ? "s" : "", | |
1117 | need_extend > 1 ? "total " : "", | |
1118 | extend_size >> 20); | |
1119 | } | |
7bb48f84 JA |
1120 | |
1121 | for_each_file(td, f, i) { | |
5e0074c2 | 1122 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1123 | |
d6aed795 | 1124 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1125 | continue; |
1126 | ||
409b3417 | 1127 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1128 | fio_file_clear_extend(f); |
de98bd30 | 1129 | if (!o->fill_device) { |
5e0074c2 | 1130 | old_len = f->real_file_size; |
0b9d69ec JA |
1131 | extend_len = f->io_size + f->file_offset - |
1132 | old_len; | |
5e0074c2 | 1133 | } |
bcdedd0a | 1134 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1135 | err = extend_file(td, f); |
1136 | if (err) | |
3baddf24 | 1137 | break; |
5e0074c2 | 1138 | |
3baddf24 JA |
1139 | err = __file_invalidate_cache(td, f, old_len, |
1140 | extend_len); | |
9824f73b JA |
1141 | |
1142 | /* | |
1143 | * Shut up static checker | |
1144 | */ | |
1145 | if (f->fd != -1) | |
1146 | close(f->fd); | |
1147 | ||
3baddf24 JA |
1148 | f->fd = -1; |
1149 | if (err) | |
7bb48f84 JA |
1150 | break; |
1151 | } | |
1152 | temp_stall_ts = 0; | |
1153 | } | |
1154 | ||
1155 | if (err) | |
e90391eb | 1156 | goto err_out; |
7bb48f84 | 1157 | |
de98bd30 JA |
1158 | if (!o->zone_size) |
1159 | o->zone_size = o->size; | |
7bb48f84 | 1160 | |
ea966f81 JA |
1161 | /* |
1162 | * iolog already set the total io size, if we read back | |
1163 | * stored entries. | |
1164 | */ | |
77731b29 | 1165 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1166 | if (o->io_size) |
1167 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1168 | else |
1169 | td->total_io_size = o->size * o->loops; | |
1170 | } | |
25460cf6 JA |
1171 | |
1172 | done: | |
de98bd30 | 1173 | if (o->create_only) |
25460cf6 JA |
1174 | td->done = 1; |
1175 | ||
8edd973d | 1176 | td_restore_runstate(td, old_state); |
7bb48f84 | 1177 | return 0; |
bcdedd0a | 1178 | err_offset: |
de98bd30 | 1179 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1180 | err_out: |
8edd973d | 1181 | td_restore_runstate(td, old_state); |
bcdedd0a | 1182 | return 1; |
53cdc686 JA |
1183 | } |
1184 | ||
afad68f7 ZY |
1185 | int pre_read_files(struct thread_data *td) |
1186 | { | |
1187 | struct fio_file *f; | |
1188 | unsigned int i; | |
1189 | ||
1190 | dprint(FD_FILE, "pre_read files\n"); | |
1191 | ||
1192 | for_each_file(td, f, i) { | |
afe0d59a TK |
1193 | if (pre_read_file(td, f)) |
1194 | return -1; | |
afad68f7 ZY |
1195 | } |
1196 | ||
afe0d59a | 1197 | return 0; |
afad68f7 ZY |
1198 | } |
1199 | ||
9c6f6316 JA |
1200 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1201 | { | |
2316296a | 1202 | unsigned int range_size, seed; |
9c6f6316 | 1203 | unsigned long nranges; |
42da5c8b | 1204 | uint64_t fsize; |
9c6f6316 JA |
1205 | |
1206 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1207 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1208 | |
42da5c8b | 1209 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1210 | |
2316296a | 1211 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1212 | if (!td->o.rand_repeatable) |
1213 | seed = td->rand_seeds[4]; | |
1214 | ||
9c6f6316 | 1215 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1216 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1217 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1218 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1219 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1220 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1221 | |
1222 | return 1; | |
1223 | } | |
1224 | ||
1225 | static int init_rand_distribution(struct thread_data *td) | |
1226 | { | |
1227 | struct fio_file *f; | |
1228 | unsigned int i; | |
1229 | int state; | |
1230 | ||
1231 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1232 | return 0; | |
1233 | ||
8edd973d JA |
1234 | state = td_bump_runstate(td, TD_SETTING_UP); |
1235 | ||
9c6f6316 JA |
1236 | for_each_file(td, f, i) |
1237 | __init_rand_distribution(td, f); | |
8edd973d JA |
1238 | |
1239 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1240 | |
1241 | return 1; | |
1242 | } | |
1243 | ||
75f90d5f JA |
1244 | /* |
1245 | * Check if the number of blocks exceeds the randomness capability of | |
1246 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1247 | * 64-bit capable. | |
1248 | */ | |
1249 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1250 | uint64_t blocks) | |
1251 | { | |
1252 | if (blocks <= FRAND32_MAX) | |
1253 | return 0; | |
1254 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1255 | return 0; | |
1256 | ||
1257 | /* | |
1258 | * If the user hasn't specified a random generator, switch | |
1259 | * to tausworthe64 with informational warning. If the user did | |
1260 | * specify one, just warn. | |
1261 | */ | |
1262 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1263 | f->file_name); | |
1264 | ||
1265 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1266 | log_info("fio: Switching to tausworthe64. Use the " | |
1267 | "random_generator= option to get rid of this " | |
4e795a3e | 1268 | "warning.\n"); |
75f90d5f JA |
1269 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1270 | return 0; | |
1271 | } | |
1272 | ||
1273 | /* | |
1274 | * Just make this information to avoid breaking scripts. | |
1275 | */ | |
1276 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1277 | "tausworthe64.\n"); | |
1278 | return 0; | |
1279 | } | |
1280 | ||
68727076 JA |
1281 | int init_random_map(struct thread_data *td) |
1282 | { | |
51ede0b1 | 1283 | unsigned long long blocks; |
68727076 JA |
1284 | struct fio_file *f; |
1285 | unsigned int i; | |
1286 | ||
9c6f6316 JA |
1287 | if (init_rand_distribution(td)) |
1288 | return 0; | |
3831a843 | 1289 | if (!td_random(td)) |
68727076 JA |
1290 | return 0; |
1291 | ||
1292 | for_each_file(td, f, i) { | |
42da5c8b | 1293 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1294 | |
42da5c8b | 1295 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1296 | |
75f90d5f | 1297 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1298 | return 1; |
37fbd7e9 | 1299 | |
8055e41d | 1300 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1301 | unsigned long seed; |
1302 | ||
1303 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1304 | |
967d1b63 JA |
1305 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1306 | fio_file_set_lfsr(f); | |
8055e41d | 1307 | continue; |
967d1b63 | 1308 | } |
3831a843 | 1309 | } else if (!td->o.norandommap) { |
7ebd796f | 1310 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1311 | if (f->io_axmap) { |
1312 | fio_file_set_axmap(f); | |
8055e41d | 1313 | continue; |
967d1b63 | 1314 | } |
1cad7121 JA |
1315 | } else if (td->o.norandommap) |
1316 | continue; | |
ceadd59e | 1317 | |
2b386d25 | 1318 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1319 | log_err("fio: failed allocating random map. If running" |
1320 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1321 | " option or set 'softrandommap'. Or give" |
1322 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1323 | return 1; |
1324 | } | |
303032ae JA |
1325 | |
1326 | log_info("fio: file %s failed allocating random map. Running " | |
1327 | "job without.\n", f->file_name); | |
68727076 JA |
1328 | } |
1329 | ||
1330 | return 0; | |
1331 | } | |
1332 | ||
53cdc686 JA |
1333 | void close_files(struct thread_data *td) |
1334 | { | |
0ab8db89 | 1335 | struct fio_file *f; |
af52b345 | 1336 | unsigned int i; |
53cdc686 | 1337 | |
2be3eec3 JA |
1338 | for_each_file(td, f, i) { |
1339 | if (fio_file_open(f)) | |
1340 | td_io_close_file(td, f); | |
1341 | } | |
24ffd2c2 JA |
1342 | } |
1343 | ||
1344 | void close_and_free_files(struct thread_data *td) | |
1345 | { | |
1346 | struct fio_file *f; | |
1347 | unsigned int i; | |
1348 | ||
ee56ad50 JA |
1349 | dprint(FD_FILE, "close files\n"); |
1350 | ||
0ab8db89 | 1351 | for_each_file(td, f, i) { |
38ef9c90 CF |
1352 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1353 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1354 | td_io_unlink_file(td, f); | |
1355 | } | |
1356 | ||
22a57ba8 JA |
1357 | if (fio_file_open(f)) |
1358 | td_io_close_file(td, f); | |
1359 | ||
b9fbcf21 | 1360 | remove_file_hash(f); |
b3dc7f07 | 1361 | |
b5f4d8ba JA |
1362 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1363 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1364 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1365 | } |
1366 | ||
f17c4392 | 1367 | sfree(f->file_name); |
fa1da865 | 1368 | f->file_name = NULL; |
967d1b63 JA |
1369 | if (fio_file_axmap(f)) { |
1370 | axmap_free(f->io_axmap); | |
1371 | f->io_axmap = NULL; | |
1372 | } | |
78d99e6a | 1373 | sfree(f); |
53cdc686 | 1374 | } |
b4a6a59a | 1375 | |
2dc1bbeb | 1376 | td->o.filename = NULL; |
cade3ef4 | 1377 | free(td->files); |
d7df1d13 | 1378 | free(td->file_locks); |
9efef3c4 | 1379 | td->files_index = 0; |
b4a6a59a | 1380 | td->files = NULL; |
d7df1d13 | 1381 | td->file_locks = NULL; |
27ddbfa0 | 1382 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1383 | td->o.nr_files = 0; |
53cdc686 | 1384 | } |
af52b345 | 1385 | |
e3bab463 | 1386 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1387 | { |
1388 | struct stat sb; | |
1389 | ||
66159828 JA |
1390 | if (!strcmp(f->file_name, "-")) |
1391 | f->filetype = FIO_TYPE_PIPE; | |
1392 | else | |
1393 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1394 | |
d5b78f5a | 1395 | #ifdef WIN32 |
3892182a BC |
1396 | /* \\.\ is the device namespace in Windows, where every file is |
1397 | * a block device */ | |
1398 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1399 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1400 | #endif |
3892182a | 1401 | |
b30d395e | 1402 | if (!stat(f->file_name, &sb)) { |
3892182a | 1403 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1404 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1405 | else if (S_ISCHR(sb.st_mode)) |
1406 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1407 | else if (S_ISFIFO(sb.st_mode)) |
1408 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1409 | } |
1410 | } | |
1411 | ||
1b2a83dc | 1412 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1413 | { |
90426237 | 1414 | struct flist_head *entry; |
1b2a83dc | 1415 | bool ret; |
bcbfeefa | 1416 | |
1b2a83dc JA |
1417 | ret = file_bloom_exists(fname, set); |
1418 | if (!ret) | |
1419 | return ret; | |
90426237 JA |
1420 | |
1421 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1422 | struct file_name *fn; |
90426237 | 1423 | |
04d6530f JA |
1424 | fn = flist_entry(entry, struct file_name, list); |
1425 | ||
1426 | if (!strcmp(fn->filename, fname)) | |
1427 | return true; | |
90426237 JA |
1428 | } |
1429 | ||
04d6530f | 1430 | return false; |
bcbfeefa CE |
1431 | } |
1432 | ||
04d6530f | 1433 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1434 | { |
04d6530f | 1435 | bool ret; |
bcbfeefa | 1436 | |
90426237 | 1437 | fio_file_hash_lock(); |
1b2a83dc | 1438 | ret = __is_already_allocated(fname, false); |
90426237 | 1439 | fio_file_hash_unlock(); |
04d6530f | 1440 | |
90426237 JA |
1441 | return ret; |
1442 | } | |
bcbfeefa | 1443 | |
90426237 JA |
1444 | static void set_already_allocated(const char *fname) |
1445 | { | |
1446 | struct file_name *fn; | |
1447 | ||
1448 | fn = malloc(sizeof(struct file_name)); | |
1449 | fn->filename = strdup(fname); | |
1450 | ||
1451 | fio_file_hash_lock(); | |
1b2a83dc | 1452 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1453 | flist_add_tail(&fn->list, &filename_list); |
1454 | fn = NULL; | |
bcbfeefa | 1455 | } |
90426237 | 1456 | fio_file_hash_unlock(); |
bcbfeefa | 1457 | |
90426237 JA |
1458 | if (fn) { |
1459 | free(fn->filename); | |
1460 | free(fn); | |
1461 | } | |
bcbfeefa CE |
1462 | } |
1463 | ||
190b8f0c CF |
1464 | static void free_already_allocated(void) |
1465 | { | |
bcbfeefa CE |
1466 | struct flist_head *entry, *tmp; |
1467 | struct file_name *fn; | |
1468 | ||
90426237 JA |
1469 | if (flist_empty(&filename_list)) |
1470 | return; | |
1471 | ||
1472 | fio_file_hash_lock(); | |
1473 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1474 | fn = flist_entry(entry, struct file_name, list); | |
1475 | free(fn->filename); | |
1476 | flist_del(&fn->list); | |
1477 | free(fn); | |
bcbfeefa | 1478 | } |
90426237 JA |
1479 | |
1480 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1481 | } |
1482 | ||
7b5cb700 JA |
1483 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1484 | { | |
1485 | struct fio_file *f; | |
1486 | ||
1487 | f = smalloc(sizeof(*f)); | |
1488 | if (!f) { | |
7b5cb700 JA |
1489 | assert(0); |
1490 | return NULL; | |
1491 | } | |
1492 | ||
1493 | f->fd = -1; | |
1494 | f->shadow_fd = -1; | |
1495 | fio_file_reset(td, f); | |
1496 | return f; | |
1497 | } | |
1498 | ||
04d6530f JA |
1499 | bool exists_and_not_regfile(const char *filename) |
1500 | { | |
1501 | struct stat sb; | |
1502 | ||
1503 | if (lstat(filename, &sb) == -1) | |
1504 | return false; | |
1505 | ||
1506 | #ifndef WIN32 /* NOT Windows */ | |
1507 | if (S_ISREG(sb.st_mode)) | |
1508 | return false; | |
1509 | #else | |
1510 | /* \\.\ is the device namespace in Windows, where every file | |
1511 | * is a device node */ | |
1512 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1513 | return false; | |
1514 | #endif | |
1515 | ||
1516 | return true; | |
1517 | } | |
1518 | ||
5903e7b7 | 1519 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1520 | { |
7b4e4fe5 | 1521 | int cur_files = td->files_index; |
bd0ee748 | 1522 | char file_name[PATH_MAX]; |
af52b345 | 1523 | struct fio_file *f; |
bd0ee748 | 1524 | int len = 0; |
af52b345 | 1525 | |
ee56ad50 JA |
1526 | dprint(FD_FILE, "add file %s\n", fname); |
1527 | ||
bcbfeefa | 1528 | if (td->o.directory) |
922a5be8 JA |
1529 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1530 | td->o.unique_filename); | |
bcbfeefa CE |
1531 | |
1532 | sprintf(file_name + len, "%s", fname); | |
1533 | ||
1534 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1535 | if (numjob && is_already_allocated(file_name) && |
1536 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1537 | return 0; |
1538 | ||
7b5cb700 | 1539 | f = alloc_new_file(td); |
bd0ee748 | 1540 | |
fc99bc0d | 1541 | if (td->files_size <= td->files_index) { |
1983e327 | 1542 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1543 | |
fc99bc0d JA |
1544 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1545 | ||
1546 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1547 | if (td->files == NULL) { |
1548 | log_err("fio: realloc OOM\n"); | |
1549 | assert(0); | |
1550 | } | |
d7df1d13 JA |
1551 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1552 | td->file_locks = realloc(td->file_locks, new_size); | |
1553 | if (!td->file_locks) { | |
1554 | log_err("fio: realloc OOM\n"); | |
1555 | assert(0); | |
1556 | } | |
1557 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1558 | } | |
fc99bc0d JA |
1559 | td->files_size = new_size; |
1560 | } | |
8bb7679e | 1561 | td->files[cur_files] = f; |
89ac1d48 | 1562 | f->fileno = cur_files; |
126d65c6 | 1563 | |
07eb79df JA |
1564 | /* |
1565 | * init function, io engine may not be loaded yet | |
1566 | */ | |
9b87f09b | 1567 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1568 | f->real_file_size = -1ULL; |
1569 | ||
f17c4392 | 1570 | f->file_name = smalloc_strdup(file_name); |
81b3c86f | 1571 | if (!f->file_name) |
c48c0be7 | 1572 | assert(0); |
0b9d69ec | 1573 | |
e3bab463 | 1574 | get_file_type(f); |
af52b345 | 1575 | |
4d4e80f2 JA |
1576 | switch (td->o.file_lock_mode) { |
1577 | case FILE_LOCK_NONE: | |
1578 | break; | |
1579 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1580 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1581 | break; |
1582 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1583 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1584 | break; |
1585 | default: | |
1586 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1587 | assert(0); | |
1588 | } | |
29c1349f | 1589 | |
7b4e4fe5 | 1590 | td->files_index++; |
1549441c JA |
1591 | if (f->filetype == FIO_TYPE_FILE) |
1592 | td->nr_normal_files++; | |
f29b25a3 | 1593 | |
bcbfeefa CE |
1594 | set_already_allocated(file_name); |
1595 | ||
5903e7b7 JA |
1596 | if (inc) |
1597 | td->o.nr_files++; | |
1598 | ||
5ec10eaa JA |
1599 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1600 | cur_files); | |
9efef3c4 | 1601 | |
f29b25a3 | 1602 | return cur_files; |
af52b345 | 1603 | } |
0ad920e7 | 1604 | |
49ffb4a2 JA |
1605 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1606 | { | |
1607 | struct fio_file *f; | |
1608 | unsigned int i; | |
1609 | ||
1610 | for_each_file(td, f, i) { | |
1611 | if (!strcmp(f->file_name, fname)) | |
1612 | return i; | |
1613 | } | |
1614 | ||
5903e7b7 | 1615 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1616 | } |
1617 | ||
0ad920e7 JA |
1618 | void get_file(struct fio_file *f) |
1619 | { | |
8172fe97 | 1620 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1621 | assert(fio_file_open(f)); |
0ad920e7 JA |
1622 | f->references++; |
1623 | } | |
1624 | ||
6977bcd0 | 1625 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1626 | { |
98e1ac4e | 1627 | int f_ret = 0, ret = 0; |
6977bcd0 | 1628 | |
8172fe97 | 1629 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1630 | |
22a57ba8 JA |
1631 | if (!fio_file_open(f)) { |
1632 | assert(f->fd == -1); | |
6977bcd0 | 1633 | return 0; |
22a57ba8 | 1634 | } |
0ad920e7 JA |
1635 | |
1636 | assert(f->references); | |
1637 | if (--f->references) | |
6977bcd0 | 1638 | return 0; |
0ad920e7 | 1639 | |
71b84caa | 1640 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1641 | f_ret = fsync(f->fd); |
71b84caa JA |
1642 | if (f_ret < 0) |
1643 | f_ret = errno; | |
1644 | } | |
ebb1415f | 1645 | |
0ad920e7 | 1646 | if (td->io_ops->close_file) |
6977bcd0 | 1647 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1648 | |
98e1ac4e | 1649 | if (!ret) |
a5fb461f | 1650 | ret = f_ret; |
98e1ac4e | 1651 | |
0ad920e7 | 1652 | td->nr_open_files--; |
d6aed795 | 1653 | fio_file_clear_open(f); |
22a57ba8 | 1654 | assert(f->fd == -1); |
6977bcd0 | 1655 | return ret; |
0ad920e7 | 1656 | } |
bbf6b540 | 1657 | |
4d4e80f2 | 1658 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1659 | { |
4d4e80f2 JA |
1660 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1661 | return; | |
29c1349f | 1662 | |
4d4e80f2 JA |
1663 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1664 | if (ddir == DDIR_READ) | |
d7df1d13 | 1665 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1666 | else |
d7df1d13 | 1667 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1668 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1669 | fio_mutex_down(f->lock); | |
1670 | ||
d7df1d13 | 1671 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1672 | } |
1673 | ||
4d4e80f2 | 1674 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1675 | { |
4d4e80f2 JA |
1676 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1677 | return; | |
4d4e80f2 | 1678 | |
d7df1d13 JA |
1679 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1680 | fio_rwlock_unlock(f->rwlock); | |
1681 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1682 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1683 | |
1684 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1685 | } |
1686 | ||
4d4e80f2 JA |
1687 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1688 | { | |
f2a2803a | 1689 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1690 | return; |
d7df1d13 JA |
1691 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1692 | unlock_file(td, f); | |
4d4e80f2 JA |
1693 | } |
1694 | ||
bbf6b540 JA |
1695 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1696 | { | |
1697 | struct dirent *dir; | |
1698 | int ret = 0; | |
1699 | DIR *D; | |
1700 | ||
1701 | D = opendir(dirname); | |
1702 | if (!D) { | |
0ddb270c JA |
1703 | char buf[FIO_VERROR_SIZE]; |
1704 | ||
98ffb8f3 | 1705 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1706 | td_verror(td, errno, buf); |
bbf6b540 JA |
1707 | return 1; |
1708 | } | |
1709 | ||
1710 | while ((dir = readdir(D)) != NULL) { | |
1711 | char full_path[PATH_MAX]; | |
1712 | struct stat sb; | |
1713 | ||
e85b2b83 JA |
1714 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1715 | continue; | |
96d32d51 | 1716 | |
b9fd788f | 1717 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1718 | |
1719 | if (lstat(full_path, &sb) == -1) { | |
1720 | if (errno != ENOENT) { | |
1721 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1722 | ret = 1; |
1723 | break; | |
bbf6b540 JA |
1724 | } |
1725 | } | |
1726 | ||
1727 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1728 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1729 | continue; |
1730 | } | |
0ddb270c JA |
1731 | if (!S_ISDIR(sb.st_mode)) |
1732 | continue; | |
bbf6b540 | 1733 | |
5ec10eaa JA |
1734 | ret = recurse_dir(td, full_path); |
1735 | if (ret) | |
bbf6b540 JA |
1736 | break; |
1737 | } | |
1738 | ||
1739 | closedir(D); | |
1740 | return ret; | |
1741 | } | |
1742 | ||
1743 | int add_dir_files(struct thread_data *td, const char *path) | |
1744 | { | |
0ddb270c JA |
1745 | int ret = recurse_dir(td, path); |
1746 | ||
1747 | if (!ret) | |
1748 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1749 | ||
1750 | return ret; | |
bbf6b540 | 1751 | } |
cade3ef4 JA |
1752 | |
1753 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1754 | { | |
1755 | struct fio_file *f; | |
1756 | unsigned int i; | |
9efef3c4 JA |
1757 | |
1758 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1759 | |
1760 | if (!org->files) | |
1761 | return; | |
1762 | ||
9efef3c4 | 1763 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1764 | |
d7df1d13 JA |
1765 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1766 | td->file_locks = malloc(org->files_index); | |
1767 | ||
9efef3c4 | 1768 | for_each_file(org, f, i) { |
b0fe421a JA |
1769 | struct fio_file *__f; |
1770 | ||
7b5cb700 | 1771 | __f = alloc_new_file(td); |
0b9d69ec | 1772 | |
bc3456fa | 1773 | if (f->file_name) { |
f17c4392 | 1774 | __f->file_name = smalloc_strdup(f->file_name); |
81b3c86f | 1775 | if (!__f->file_name) |
c48c0be7 | 1776 | assert(0); |
0b9d69ec | 1777 | |
bc3456fa AC |
1778 | __f->filetype = f->filetype; |
1779 | } | |
b0fe421a | 1780 | |
67ad9242 JA |
1781 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1782 | __f->lock = f->lock; | |
1783 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1784 | __f->rwlock = f->rwlock; | |
1785 | ||
b0fe421a | 1786 | td->files[i] = __f; |
cade3ef4 JA |
1787 | } |
1788 | } | |
f29b25a3 JA |
1789 | |
1790 | /* | |
1791 | * Returns the index that matches the filename, or -1 if not there | |
1792 | */ | |
1793 | int get_fileno(struct thread_data *td, const char *fname) | |
1794 | { | |
1795 | struct fio_file *f; | |
1796 | unsigned int i; | |
1797 | ||
1798 | for_each_file(td, f, i) | |
1799 | if (!strcmp(f->file_name, fname)) | |
1800 | return i; | |
1801 | ||
1802 | return -1; | |
1803 | } | |
1804 | ||
1805 | /* | |
1806 | * For log usage, where we add/open/close files automatically | |
1807 | */ | |
1808 | void free_release_files(struct thread_data *td) | |
1809 | { | |
1810 | close_files(td); | |
66ee4002 JA |
1811 | td->o.nr_files = 0; |
1812 | td->o.open_files = 0; | |
f29b25a3 JA |
1813 | td->files_index = 0; |
1814 | td->nr_normal_files = 0; | |
1815 | } | |
33c48814 JA |
1816 | |
1817 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1818 | { | |
f1dfb668 JA |
1819 | int i; |
1820 | ||
1821 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1822 | f->last_pos[i] = f->file_offset; | |
1823 | f->last_start[i] = -1ULL; | |
1824 | } | |
1825 | ||
967d1b63 | 1826 | if (fio_file_axmap(f)) |
33c48814 | 1827 | axmap_reset(f->io_axmap); |
967d1b63 | 1828 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1829 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1830 | } | |
002fe734 | 1831 | |
747b3105 | 1832 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1833 | { |
1834 | struct fio_file *f; | |
1835 | unsigned int i; | |
1836 | ||
1837 | for_each_file(td, f, i) | |
1838 | if (!fio_file_done(f)) | |
747b3105 | 1839 | return false; |
002fe734 | 1840 | |
747b3105 | 1841 | return true; |
002fe734 | 1842 | } |
bcbfeefa CE |
1843 | |
1844 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1845 | void filesetup_mem_free(void) |
1846 | { | |
bcbfeefa CE |
1847 | free_already_allocated(); |
1848 | } |