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 | ||
c592b9fe JA |
27 | static inline void clear_error(struct thread_data *td) |
28 | { | |
29 | td->error = 0; | |
30 | td->verror[0] = '\0'; | |
31 | } | |
32 | ||
3baddf24 JA |
33 | /* |
34 | * Leaves f->fd open on success, caller must close | |
35 | */ | |
7bb48f84 | 36 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 37 | { |
ea443657 | 38 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
39 | unsigned long long left; |
40 | unsigned int bs; | |
f3e1eb23 | 41 | char *b = NULL; |
b2a15192 | 42 | |
4241ea8f JA |
43 | if (read_only) { |
44 | log_err("fio: refusing extend of file due to read-only\n"); | |
45 | return 0; | |
46 | } | |
47 | ||
507a702f JA |
48 | /* |
49 | * check if we need to lay the file out complete again. fio | |
50 | * does that for operations involving reads, or for writes | |
51 | * where overwrite is set | |
52 | */ | |
1417daeb JA |
53 | if (td_read(td) || |
54 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 55 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 56 | new_layout = 1; |
1417daeb | 57 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 58 | unlink_file = 1; |
507a702f | 59 | |
6ae1f57f | 60 | if (unlink_file || new_layout) { |
2442c935 JA |
61 | int ret; |
62 | ||
bd199f2b | 63 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
64 | |
65 | ret = td_io_unlink_file(td, f); | |
66 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
67 | td_verror(td, errno, "unlink"); |
68 | return 1; | |
69 | } | |
70 | } | |
71 | ||
2378826d JA |
72 | flags = O_WRONLY; |
73 | if (td->o.allow_create) | |
74 | flags |= O_CREAT; | |
507a702f JA |
75 | if (new_layout) |
76 | flags |= O_TRUNC; | |
77 | ||
9c0f3f32 BC |
78 | #ifdef WIN32 |
79 | flags |= _O_BINARY; | |
80 | #endif | |
81 | ||
ee56ad50 | 82 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 83 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 84 | if (f->fd < 0) { |
2378826d JA |
85 | int err = errno; |
86 | ||
87 | if (err == ENOENT && !td->o.allow_create) | |
88 | log_err("fio: file creation disallowed by " | |
89 | "allow_file_create=0\n"); | |
90 | else | |
91 | td_verror(td, err, "open"); | |
53cdc686 JA |
92 | return 1; |
93 | } | |
94 | ||
97ac992c | 95 | #ifdef CONFIG_POSIX_FALLOCATE |
a596f047 EG |
96 | if (!td->o.fill_device) { |
97 | switch (td->o.fallocate_mode) { | |
98 | case FIO_FALLOCATE_NONE: | |
99 | break; | |
100 | case FIO_FALLOCATE_POSIX: | |
101 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
4b91ee8f JA |
102 | f->file_name, |
103 | (unsigned long long) f->real_file_size); | |
a596f047 EG |
104 | |
105 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
106 | if (r > 0) { | |
107 | log_err("fio: posix_fallocate fails: %s\n", | |
108 | strerror(r)); | |
109 | } | |
110 | break; | |
97ac992c | 111 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
112 | case FIO_FALLOCATE_KEEP_SIZE: |
113 | dprint(FD_FILE, | |
114 | "fallocate(FALLOC_FL_KEEP_SIZE) " | |
4b91ee8f JA |
115 | "file %s size %llu\n", f->file_name, |
116 | (unsigned long long) f->real_file_size); | |
7bc8c2cf | 117 | |
a596f047 EG |
118 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, |
119 | f->real_file_size); | |
888677a4 | 120 | if (r != 0) |
a596f047 | 121 | td_verror(td, errno, "fallocate"); |
888677a4 | 122 | |
a596f047 | 123 | break; |
97ac992c | 124 | #endif /* CONFIG_LINUX_FALLOCATE */ |
a596f047 EG |
125 | default: |
126 | log_err("fio: unknown fallocate mode: %d\n", | |
127 | td->o.fallocate_mode); | |
128 | assert(0); | |
7bc8c2cf JA |
129 | } |
130 | } | |
97ac992c | 131 | #endif /* CONFIG_POSIX_FALLOCATE */ |
9b836561 | 132 | |
fc74ac1d SL |
133 | if (!new_layout) |
134 | goto done; | |
135 | ||
5e0074c2 JA |
136 | /* |
137 | * The size will be -1ULL when fill_device is used, so don't truncate | |
138 | * or fallocate this file, just write it | |
139 | */ | |
140 | if (!td->o.fill_device) { | |
141 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 142 | (unsigned long long) f->real_file_size); |
5e0074c2 | 143 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
144 | if (errno != EFBIG) { |
145 | td_verror(td, errno, "ftruncate"); | |
146 | goto err; | |
147 | } | |
5e0074c2 | 148 | } |
5e0074c2 | 149 | } |
40f8298c | 150 | |
2dc1bbeb | 151 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
53cdc686 | 152 | |
7bb48f84 | 153 | left = f->real_file_size; |
53cdc686 | 154 | while (left && !td->terminate) { |
2dc1bbeb | 155 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
156 | if (bs > left) |
157 | bs = left; | |
158 | ||
cc86c395 JA |
159 | fill_io_buffer(td, b, bs, bs); |
160 | ||
53cdc686 JA |
161 | r = write(f->fd, b, bs); |
162 | ||
5e0074c2 JA |
163 | if (r > 0) { |
164 | left -= r; | |
53cdc686 JA |
165 | continue; |
166 | } else { | |
5e0074c2 JA |
167 | if (r < 0) { |
168 | int __e = errno; | |
169 | ||
170 | if (__e == ENOSPC) { | |
171 | if (td->o.fill_device) | |
172 | break; | |
173 | log_info("fio: ENOSPC on laying out " | |
174 | "file, stopping\n"); | |
175 | break; | |
176 | } | |
e1161c32 | 177 | td_verror(td, errno, "write"); |
5e0074c2 | 178 | } else |
e1161c32 | 179 | td_verror(td, EIO, "write"); |
53cdc686 JA |
180 | |
181 | break; | |
182 | } | |
183 | } | |
184 | ||
ffdfabd4 JA |
185 | if (td->terminate) { |
186 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 187 | td_io_unlink_file(td, f); |
ffdfabd4 | 188 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
189 | if (fsync(f->fd) < 0) { |
190 | td_verror(td, errno, "fsync"); | |
191 | goto err; | |
192 | } | |
193 | } | |
0d1cd207 | 194 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 195 | fio_file_clear_size_known(f); |
5e0074c2 JA |
196 | if (td_io_get_file_size(td, f)) |
197 | goto err; | |
198 | if (f->io_size > f->real_file_size) | |
199 | f->io_size = f->real_file_size; | |
200 | } | |
53cdc686 JA |
201 | |
202 | free(b); | |
507a702f | 203 | done: |
53cdc686 JA |
204 | return 0; |
205 | err: | |
206 | close(f->fd); | |
207 | f->fd = -1; | |
f3e1eb23 JA |
208 | if (b) |
209 | free(b); | |
53cdc686 JA |
210 | return 1; |
211 | } | |
212 | ||
afad68f7 ZY |
213 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
214 | { | |
ef799a64 | 215 | int ret = 0, r, did_open = 0, old_runstate; |
afad68f7 ZY |
216 | unsigned long long left; |
217 | unsigned int bs; | |
218 | char *b; | |
219 | ||
9b87f09b | 220 | if (td_ioengine_flagged(td, FIO_PIPEIO)) |
9c0d2241 JA |
221 | return 0; |
222 | ||
d6aed795 | 223 | if (!fio_file_open(f)) { |
b0f65863 JA |
224 | if (td->io_ops->open_file(td, f)) { |
225 | log_err("fio: cannot pre-read, failed to open file\n"); | |
226 | return 1; | |
227 | } | |
228 | did_open = 1; | |
229 | } | |
230 | ||
8edd973d | 231 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 232 | |
afad68f7 ZY |
233 | bs = td->o.max_bs[DDIR_READ]; |
234 | b = malloc(bs); | |
235 | memset(b, 0, bs); | |
236 | ||
ef799a64 JA |
237 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
238 | td_verror(td, errno, "lseek"); | |
239 | log_err("fio: failed to lseek pre-read file\n"); | |
240 | ret = 1; | |
241 | goto error; | |
242 | } | |
243 | ||
afad68f7 ZY |
244 | left = f->io_size; |
245 | ||
246 | while (left && !td->terminate) { | |
247 | if (bs > left) | |
248 | bs = left; | |
249 | ||
250 | r = read(f->fd, b, bs); | |
251 | ||
252 | if (r == (int) bs) { | |
253 | left -= bs; | |
254 | continue; | |
255 | } else { | |
256 | td_verror(td, EIO, "pre_read"); | |
257 | break; | |
258 | } | |
259 | } | |
260 | ||
ef799a64 | 261 | error: |
8edd973d | 262 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
263 | |
264 | if (did_open) | |
265 | td->io_ops->close_file(td, f); | |
ef799a64 | 266 | |
afad68f7 | 267 | free(b); |
ef799a64 | 268 | return ret; |
afad68f7 ZY |
269 | } |
270 | ||
a3f001f5 | 271 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 272 | { |
dc873b6f | 273 | unsigned long long ret, sized; |
c3546b53 | 274 | uint64_t frand_max; |
1294c3ec | 275 | unsigned long r; |
9c60ce64 | 276 | |
c3546b53 | 277 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 278 | r = __rand(&td->file_size_state); |
54a21917 | 279 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 280 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 281 | ret += td->o.file_size_low; |
2dc1bbeb | 282 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
283 | return ret; |
284 | } | |
285 | ||
53cdc686 JA |
286 | static int file_size(struct thread_data *td, struct fio_file *f) |
287 | { | |
288 | struct stat st; | |
289 | ||
df9c26b1 | 290 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
291 | td_verror(td, errno, "fstat"); |
292 | return 1; | |
293 | } | |
53cdc686 | 294 | |
7bb48f84 | 295 | f->real_file_size = st.st_size; |
53cdc686 JA |
296 | return 0; |
297 | } | |
298 | ||
299 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
300 | { | |
9b836561 | 301 | unsigned long long bytes = 0; |
53cdc686 JA |
302 | int r; |
303 | ||
df9c26b1 JA |
304 | if (td->io_ops->open_file(td, f)) { |
305 | log_err("fio: failed opening blockdev %s for size check\n", | |
306 | f->file_name); | |
307 | return 1; | |
308 | } | |
309 | ||
ecc314ba | 310 | r = blockdev_size(f, &bytes); |
53cdc686 | 311 | if (r) { |
e1161c32 | 312 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 313 | goto err; |
53cdc686 JA |
314 | } |
315 | ||
7ab077ab JA |
316 | if (!bytes) { |
317 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 318 | goto err; |
7ab077ab JA |
319 | } |
320 | ||
53cdc686 | 321 | f->real_file_size = bytes; |
22a57ba8 | 322 | td->io_ops->close_file(td, f); |
53cdc686 | 323 | return 0; |
df9c26b1 JA |
324 | err: |
325 | td->io_ops->close_file(td, f); | |
326 | return 1; | |
53cdc686 JA |
327 | } |
328 | ||
4ccdccd1 JA |
329 | static int char_size(struct thread_data *td, struct fio_file *f) |
330 | { | |
331 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 332 | unsigned long long bytes = 0; |
4ccdccd1 JA |
333 | int r; |
334 | ||
335 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 336 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
337 | f->file_name); |
338 | return 1; | |
339 | } | |
340 | ||
ecc314ba | 341 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
342 | if (r) { |
343 | td_verror(td, r, "chardev_size"); | |
344 | goto err; | |
345 | } | |
346 | ||
347 | if (!bytes) { | |
348 | log_err("%s: zero sized char device?\n", f->file_name); | |
349 | goto err; | |
350 | } | |
351 | ||
352 | f->real_file_size = bytes; | |
353 | td->io_ops->close_file(td, f); | |
354 | return 0; | |
355 | err: | |
356 | td->io_ops->close_file(td, f); | |
357 | return 1; | |
358 | #else | |
359 | f->real_file_size = -1ULL; | |
360 | return 0; | |
361 | #endif | |
362 | } | |
363 | ||
53cdc686 JA |
364 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
365 | { | |
366 | int ret = 0; | |
367 | ||
d6aed795 | 368 | if (fio_file_size_known(f)) |
409b3417 JA |
369 | return 0; |
370 | ||
7bb48f84 JA |
371 | if (f->filetype == FIO_TYPE_FILE) |
372 | ret = file_size(td, f); | |
686fbd31 | 373 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 374 | ret = bdev_size(td, f); |
4ccdccd1 JA |
375 | else if (f->filetype == FIO_TYPE_CHAR) |
376 | ret = char_size(td, f); | |
53cdc686 | 377 | else |
34c9f823 | 378 | f->real_file_size = -1ULL; |
53cdc686 | 379 | |
34c9f823 TK |
380 | if (ret) { |
381 | f->real_file_size = -1ULL; | |
53cdc686 | 382 | return ret; |
34c9f823 | 383 | } |
53cdc686 JA |
384 | |
385 | if (f->file_offset > f->real_file_size) { | |
0f2152c1 | 386 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
387 | (unsigned long long) f->file_offset, |
388 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
389 | return 1; |
390 | } | |
391 | ||
d6aed795 | 392 | fio_file_set_size_known(f); |
53cdc686 JA |
393 | return 0; |
394 | } | |
395 | ||
3baddf24 JA |
396 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
397 | unsigned long long off, | |
398 | unsigned long long len) | |
e5b401d4 | 399 | { |
942a851a | 400 | int errval = 0, ret = 0; |
e5b401d4 | 401 | |
c8931876 JA |
402 | #ifdef CONFIG_ESX |
403 | return 0; | |
404 | #endif | |
405 | ||
5e0074c2 | 406 | if (len == -1ULL) |
3baddf24 JA |
407 | len = f->io_size; |
408 | if (off == -1ULL) | |
409 | off = f->file_offset; | |
ee56ad50 | 410 | |
0d1cd207 JA |
411 | if (len == -1ULL || off == -1ULL) |
412 | return 0; | |
413 | ||
3baddf24 JA |
414 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
415 | len); | |
b5af8293 | 416 | |
942a851a | 417 | if (td->io_ops->invalidate) { |
d9b100fc | 418 | ret = td->io_ops->invalidate(td, f); |
942a851a JA |
419 | if (ret < 0) |
420 | errval = ret; | |
421 | } else if (f->filetype == FIO_TYPE_FILE) { | |
ecc314ba | 422 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 423 | if (ret) |
942a851a | 424 | errval = ret; |
686fbd31 | 425 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
426 | int retry_count = 0; |
427 | ||
ecc314ba | 428 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
429 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
430 | /* | |
431 | * Linux multipath devices reject ioctl while | |
432 | * the maps are being updated. That window can | |
433 | * last tens of milliseconds; we'll try up to | |
434 | * a quarter of a second. | |
435 | */ | |
436 | usleep(10000); | |
437 | ret = blockdev_invalidate_cache(f); | |
438 | } | |
7e0e25c9 | 439 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 440 | if (!root_warn) { |
5ec10eaa JA |
441 | log_err("fio: only root may flush block " |
442 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
443 | root_warn = 1; |
444 | } | |
7e0e25c9 JA |
445 | ret = 0; |
446 | } | |
942a851a JA |
447 | if (ret < 0) |
448 | errval = errno; | |
b5605e9d | 449 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
450 | ret = 0; |
451 | ||
dfe11fd1 JA |
452 | /* |
453 | * Cache flushing isn't a fatal condition, and we know it will | |
454 | * happen on some platforms where we don't have the proper | |
455 | * function to flush eg block device caches. So just warn and | |
456 | * continue on our way. | |
457 | */ | |
942a851a JA |
458 | if (errval) |
459 | log_info("fio: cache invalidation of %s failed: %s\n", f->file_name, strerror(errval)); | |
e5b401d4 | 460 | |
dfe11fd1 | 461 | return 0; |
3baddf24 JA |
462 | |
463 | } | |
464 | ||
465 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
466 | { | |
d6aed795 | 467 | if (!fio_file_open(f)) |
a5fb461f JA |
468 | return 0; |
469 | ||
5e0074c2 | 470 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
471 | } |
472 | ||
6977bcd0 | 473 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 474 | { |
6977bcd0 JA |
475 | int ret = 0; |
476 | ||
ee56ad50 | 477 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
478 | |
479 | remove_file_hash(f); | |
480 | ||
6977bcd0 JA |
481 | if (close(f->fd) < 0) |
482 | ret = errno; | |
483 | ||
b5af8293 | 484 | f->fd = -1; |
e6c4d732 JA |
485 | |
486 | if (f->shadow_fd != -1) { | |
487 | close(f->shadow_fd); | |
488 | f->shadow_fd = -1; | |
489 | } | |
490 | ||
57e54e08 | 491 | f->engine_data = 0; |
6977bcd0 | 492 | return ret; |
53cdc686 JA |
493 | } |
494 | ||
1ccc6dc7 | 495 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 496 | { |
29c1349f | 497 | struct fio_file *__f; |
4d4e80f2 JA |
498 | int from_hash; |
499 | ||
500 | __f = lookup_file_hash(f->file_name); | |
501 | if (__f) { | |
9efef3c4 | 502 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 503 | f->lock = __f->lock; |
4d4e80f2 JA |
504 | from_hash = 1; |
505 | } else { | |
9efef3c4 | 506 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
507 | from_hash = 0; |
508 | } | |
509 | ||
9c0f3f32 BC |
510 | #ifdef WIN32 |
511 | flags |= _O_BINARY; | |
512 | #endif | |
513 | ||
e8670ef8 | 514 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
515 | return from_hash; |
516 | } | |
517 | ||
e6c4d732 JA |
518 | static int file_close_shadow_fds(struct thread_data *td) |
519 | { | |
520 | struct fio_file *f; | |
521 | int num_closed = 0; | |
522 | unsigned int i; | |
523 | ||
524 | for_each_file(td, f, i) { | |
525 | if (f->shadow_fd == -1) | |
526 | continue; | |
527 | ||
528 | close(f->shadow_fd); | |
529 | f->shadow_fd = -1; | |
530 | num_closed++; | |
531 | } | |
532 | ||
533 | return num_closed; | |
534 | } | |
535 | ||
4d4e80f2 JA |
536 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
537 | { | |
66159828 | 538 | int is_std = 0; |
53cdc686 | 539 | int flags = 0; |
29c1349f | 540 | int from_hash = 0; |
53cdc686 | 541 | |
ee56ad50 JA |
542 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
543 | ||
66159828 JA |
544 | if (!strcmp(f->file_name, "-")) { |
545 | if (td_rw(td)) { | |
546 | log_err("fio: can't read/write to stdin/out\n"); | |
547 | return 1; | |
548 | } | |
549 | is_std = 1; | |
ce98fa66 JA |
550 | |
551 | /* | |
552 | * move output logging to stderr, if we are writing to stdout | |
553 | */ | |
554 | if (td_write(td)) | |
555 | f_out = stderr; | |
66159828 JA |
556 | } |
557 | ||
6eaf09d6 SL |
558 | if (td_trim(td)) |
559 | goto skip_flags; | |
2dc1bbeb | 560 | if (td->o.odirect) |
2fd233b7 | 561 | flags |= OS_O_DIRECT; |
d01612f3 CM |
562 | if (td->o.oatomic) { |
563 | if (!FIO_O_ATOMIC) { | |
564 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
565 | return 1; | |
566 | } | |
567 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
568 | } | |
2dc1bbeb | 569 | if (td->o.sync_io) |
2fd233b7 | 570 | flags |= O_SYNC; |
2378826d | 571 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 572 | flags |= O_CREAT; |
6eaf09d6 SL |
573 | skip_flags: |
574 | if (f->filetype != FIO_TYPE_FILE) | |
575 | flags |= FIO_O_NOATIME; | |
53cdc686 | 576 | |
056f3459 | 577 | open_again: |
660a1cb5 | 578 | if (td_write(td)) { |
17308158 JA |
579 | if (!read_only) |
580 | flags |= O_RDWR; | |
53cdc686 | 581 | |
2378826d | 582 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 583 | flags |= O_CREAT; |
2fd233b7 | 584 | |
66159828 JA |
585 | if (is_std) |
586 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
587 | else |
588 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 589 | } else if (td_read(td)) { |
4241ea8f | 590 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
591 | flags |= O_RDWR; |
592 | else | |
593 | flags |= O_RDONLY; | |
594 | ||
66159828 JA |
595 | if (is_std) |
596 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
597 | else |
598 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 SL |
599 | } else { //td trim |
600 | flags |= O_RDWR; | |
601 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
602 | } |
603 | ||
604 | if (f->fd == -1) { | |
e4e33258 | 605 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
606 | int __e = errno; |
607 | ||
835d9b9e | 608 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 609 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
610 | goto open_again; |
611 | } | |
e6c4d732 JA |
612 | if (__e == EMFILE && file_close_shadow_fds(td)) |
613 | goto open_again; | |
056f3459 | 614 | |
98ffb8f3 | 615 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 616 | |
a93c5f04 JA |
617 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
618 | log_err("fio: looks like your file system does not " \ | |
619 | "support direct=1/buffered=0\n"); | |
620 | } | |
621 | ||
e4e33258 | 622 | td_verror(td, __e, buf); |
3ce3ad33 | 623 | return 1; |
53cdc686 JA |
624 | } |
625 | ||
29c1349f JA |
626 | if (!from_hash && f->fd != -1) { |
627 | if (add_file_hash(f)) { | |
3f0ca9b9 | 628 | int fio_unused ret; |
29c1349f JA |
629 | |
630 | /* | |
e6c4d732 JA |
631 | * Stash away descriptor for later close. This is to |
632 | * work-around a "feature" on Linux, where a close of | |
633 | * an fd that has been opened for write will trigger | |
634 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 635 | * That pollutes the device cache, which can slow down |
e6c4d732 | 636 | * unbuffered accesses. |
29c1349f | 637 | */ |
e6c4d732 JA |
638 | if (f->shadow_fd == -1) |
639 | f->shadow_fd = f->fd; | |
640 | else { | |
641 | /* | |
642 | * OK to ignore, we haven't done anything | |
643 | * with it | |
644 | */ | |
645 | ret = generic_close_file(td, f); | |
646 | } | |
29c1349f JA |
647 | goto open_again; |
648 | } | |
649 | } | |
4906e0b5 | 650 | |
53cdc686 | 651 | return 0; |
b5af8293 JA |
652 | } |
653 | ||
df9c26b1 | 654 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 655 | { |
df9c26b1 | 656 | return get_file_size(td, f); |
21972cde JA |
657 | } |
658 | ||
7bb48f84 JA |
659 | /* |
660 | * open/close all files, so that ->real_file_size gets set | |
661 | */ | |
bab3fd58 | 662 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
663 | { |
664 | struct fio_file *f; | |
665 | unsigned int i; | |
bab3fd58 | 666 | int err = 0; |
7bb48f84 JA |
667 | |
668 | for_each_file(td, f, i) { | |
5ec10eaa JA |
669 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
670 | f->file_name); | |
9efef3c4 | 671 | |
99a47c69 | 672 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
673 | if (td->error != ENOENT) { |
674 | log_err("%s\n", td->verror); | |
675 | err = 1; | |
3ce3ad33 | 676 | break; |
40b44f4a | 677 | } |
541d66d7 | 678 | clear_error(td); |
07eb79df | 679 | } |
409b3417 JA |
680 | |
681 | if (f->real_file_size == -1ULL && td->o.size) | |
682 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 683 | } |
bab3fd58 JA |
684 | |
685 | return err; | |
7bb48f84 JA |
686 | } |
687 | ||
2e3bd4c2 JA |
688 | struct fio_mount { |
689 | struct flist_head list; | |
690 | const char *base; | |
691 | char __base[256]; | |
692 | unsigned int key; | |
693 | }; | |
694 | ||
695 | /* | |
696 | * Get free number of bytes for each file on each unique mount. | |
697 | */ | |
698 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
699 | { | |
700 | struct flist_head *n, *tmp; | |
68b0316f | 701 | unsigned long long ret = 0; |
2e3bd4c2 JA |
702 | struct fio_mount *fm; |
703 | FLIST_HEAD(list); | |
704 | struct fio_file *f; | |
705 | unsigned int i; | |
706 | ||
707 | for_each_file(td, f, i) { | |
708 | struct stat sb; | |
709 | char buf[256]; | |
710 | ||
686fbd31 | 711 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
712 | if (f->real_file_size != -1ULL) |
713 | ret += f->real_file_size; | |
68b0316f JA |
714 | continue; |
715 | } else if (f->filetype != FIO_TYPE_FILE) | |
716 | continue; | |
717 | ||
da27a4bf JA |
718 | buf[255] = '\0'; |
719 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
720 | |
721 | if (stat(buf, &sb) < 0) { | |
722 | if (errno != ENOENT) | |
723 | break; | |
724 | strcpy(buf, "."); | |
725 | if (stat(buf, &sb) < 0) | |
726 | break; | |
727 | } | |
728 | ||
729 | fm = NULL; | |
730 | flist_for_each(n, &list) { | |
731 | fm = flist_entry(n, struct fio_mount, list); | |
732 | if (fm->key == sb.st_dev) | |
733 | break; | |
734 | ||
735 | fm = NULL; | |
736 | } | |
737 | ||
738 | if (fm) | |
739 | continue; | |
740 | ||
3660ceae JA |
741 | fm = calloc(1, sizeof(*fm)); |
742 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
743 | fm->base = basename(fm->__base); |
744 | fm->key = sb.st_dev; | |
745 | flist_add(&fm->list, &list); | |
746 | } | |
747 | ||
2e3bd4c2 JA |
748 | flist_for_each_safe(n, tmp, &list) { |
749 | unsigned long long sz; | |
750 | ||
751 | fm = flist_entry(n, struct fio_mount, list); | |
752 | flist_del(&fm->list); | |
753 | ||
c08ad04c | 754 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
755 | if (sz && sz != -1ULL) |
756 | ret += sz; | |
757 | ||
758 | free(fm); | |
759 | } | |
760 | ||
761 | return ret; | |
762 | } | |
763 | ||
bedc9dc2 | 764 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 765 | { |
bedc9dc2 JA |
766 | struct thread_options *o = &td->o; |
767 | ||
768 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
769 | return f->real_file_size; | |
770 | ||
9bbefaa2 JA |
771 | return td->o.start_offset + |
772 | td->subjob_number * td->o.offset_increment; | |
ce95d651 DE |
773 | } |
774 | ||
7bb48f84 JA |
775 | /* |
776 | * Open the files and setup files sizes, creating files if necessary. | |
777 | */ | |
53cdc686 JA |
778 | int setup_files(struct thread_data *td) |
779 | { | |
7bb48f84 | 780 | unsigned long long total_size, extend_size; |
de98bd30 | 781 | struct thread_options *o = &td->o; |
53cdc686 | 782 | struct fio_file *f; |
002fe734 | 783 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 784 | int err = 0, need_extend; |
e90391eb | 785 | int old_state; |
002fe734 JA |
786 | const unsigned int bs = td_min_bs(td); |
787 | uint64_t fs = 0; | |
53cdc686 | 788 | |
ee56ad50 JA |
789 | dprint(FD_FILE, "setup files\n"); |
790 | ||
8edd973d | 791 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 792 | |
de98bd30 | 793 | if (o->read_iolog_file) |
25460cf6 | 794 | goto done; |
691c8fb0 | 795 | |
53cdc686 JA |
796 | /* |
797 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
798 | * opening the files and setting f->real_file_size to indicate |
799 | * the valid range for that file. | |
53cdc686 JA |
800 | */ |
801 | if (td->io_ops->setup) | |
7bb48f84 JA |
802 | err = td->io_ops->setup(td); |
803 | else | |
bab3fd58 | 804 | err = get_file_sizes(td); |
53cdc686 | 805 | |
f1027063 | 806 | if (err) |
e90391eb | 807 | goto err_out; |
f1027063 | 808 | |
0a7eb121 | 809 | /* |
7bb48f84 JA |
810 | * check sizes. if the files/devices do not exist and the size |
811 | * isn't passed to fio, abort. | |
0a7eb121 | 812 | */ |
7bb48f84 JA |
813 | total_size = 0; |
814 | for_each_file(td, f, i) { | |
49a416bd | 815 | f->fileno = i; |
7bb48f84 JA |
816 | if (f->real_file_size == -1ULL) |
817 | total_size = -1ULL; | |
818 | else | |
819 | total_size += f->real_file_size; | |
820 | } | |
0a7eb121 | 821 | |
de98bd30 | 822 | if (o->fill_device) |
2e3bd4c2 JA |
823 | td->fill_device_size = get_fs_free_counts(td); |
824 | ||
7bb48f84 JA |
825 | /* |
826 | * device/file sizes are zero and no size given, punt | |
827 | */ | |
de98bd30 | 828 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 829 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
830 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
831 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 832 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 833 | goto err_out; |
53cdc686 JA |
834 | } |
835 | ||
002fe734 JA |
836 | /* |
837 | * Calculate per-file size and potential extra size for the | |
838 | * first files, if needed. | |
839 | */ | |
d1e78e6b | 840 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
841 | uint64_t all_fs; |
842 | ||
843 | fs = o->size / o->nr_files; | |
844 | all_fs = fs * o->nr_files; | |
845 | ||
846 | if (all_fs < o->size) | |
847 | nr_fs_extra = (o->size - all_fs) / bs; | |
848 | } | |
849 | ||
7bb48f84 JA |
850 | /* |
851 | * now file sizes are known, so we can set ->io_size. if size= is | |
852 | * not given, ->io_size is just equal to ->real_file_size. if size | |
853 | * is given, ->io_size is size / nr_files. | |
854 | */ | |
855 | extend_size = total_size = 0; | |
856 | need_extend = 0; | |
857 | for_each_file(td, f, i) { | |
bedc9dc2 | 858 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 859 | |
de98bd30 | 860 | if (!o->file_size_low) { |
7bb48f84 JA |
861 | /* |
862 | * no file size range given, file size is equal to | |
002fe734 JA |
863 | * total size divided by number of files. If that is |
864 | * zero, set it to the real file size. If the size | |
865 | * doesn't divide nicely with the min blocksize, | |
866 | * make the first files bigger. | |
7bb48f84 | 867 | */ |
002fe734 JA |
868 | f->io_size = fs; |
869 | if (nr_fs_extra) { | |
870 | nr_fs_extra--; | |
871 | f->io_size += bs; | |
872 | } | |
873 | ||
65bdb10a | 874 | if (!f->io_size) |
273f8c91 | 875 | f->io_size = f->real_file_size - f->file_offset; |
de98bd30 JA |
876 | } else if (f->real_file_size < o->file_size_low || |
877 | f->real_file_size > o->file_size_high) { | |
878 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 879 | goto err_offset; |
7bb48f84 JA |
880 | /* |
881 | * file size given. if it's fixed, use that. if it's a | |
882 | * range, generate a random size in-between. | |
883 | */ | |
de98bd30 JA |
884 | if (o->file_size_low == o->file_size_high) |
885 | f->io_size = o->file_size_low - f->file_offset; | |
886 | else { | |
5ec10eaa JA |
887 | f->io_size = get_rand_file_size(td) |
888 | - f->file_offset; | |
889 | } | |
65bdb10a | 890 | } else |
bcdedd0a | 891 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 892 | |
7bb48f84 JA |
893 | if (f->io_size == -1ULL) |
894 | total_size = -1ULL; | |
4d002569 | 895 | else { |
e391c704 JA |
896 | if (o->size_percent) { |
897 | f->io_size = (f->io_size * o->size_percent) / 100; | |
898 | f->io_size -= (f->io_size % td_min_bs(td)); | |
899 | } | |
7bb48f84 | 900 | total_size += f->io_size; |
4d002569 | 901 | } |
7bb48f84 JA |
902 | |
903 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 904 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 905 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
906 | if (!o->create_on_open) { |
907 | need_extend++; | |
814452bd | 908 | extend_size += (f->io_size + f->file_offset); |
5fd31680 | 909 | } else |
814452bd | 910 | f->real_file_size = f->io_size + f->file_offset; |
d6aed795 | 911 | fio_file_set_extend(f); |
5ec10eaa | 912 | } |
7bb48f84 | 913 | } |
53cdc686 | 914 | |
66347cfa DE |
915 | if (td->o.block_error_hist) { |
916 | int len; | |
917 | ||
918 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
919 | f = td->files[0]; | |
920 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
921 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
922 | log_err("fio: cannot calculate block histogram with " | |
923 | "%d trim blocks, maximum %d\n", | |
924 | len, MAX_NR_BLOCK_INFOS); | |
925 | td_verror(td, EINVAL, "block_error_hist"); | |
926 | goto err_out; | |
927 | } | |
928 | ||
929 | td->ts.nr_block_infos = len; | |
8a68c41c | 930 | for (i = 0; i < len; i++) |
66347cfa DE |
931 | td->ts.block_infos[i] = |
932 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
933 | } else | |
934 | td->ts.nr_block_infos = 0; | |
935 | ||
0bc27b0b | 936 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 937 | o->size = total_size; |
21972cde | 938 | |
d1faa06d JA |
939 | if (o->size < td_min_bs(td)) { |
940 | log_err("fio: blocksize too large for data set\n"); | |
941 | goto err_out; | |
942 | } | |
943 | ||
7bb48f84 JA |
944 | /* |
945 | * See if we need to extend some files | |
946 | */ | |
947 | if (need_extend) { | |
948 | temp_stall_ts = 1; | |
129fb2d4 | 949 | if (output_format & FIO_OUTPUT_NORMAL) |
420b104a RE |
950 | log_info("%s: Laying out IO file(s) (%u file(s) / %lluMiB)\n", |
951 | o->name, need_extend, extend_size >> 20); | |
7bb48f84 JA |
952 | |
953 | for_each_file(td, f, i) { | |
5e0074c2 | 954 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 955 | |
d6aed795 | 956 | if (!fio_file_extend(f)) |
7bb48f84 JA |
957 | continue; |
958 | ||
409b3417 | 959 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 960 | fio_file_clear_extend(f); |
de98bd30 | 961 | if (!o->fill_device) { |
5e0074c2 | 962 | old_len = f->real_file_size; |
0b9d69ec JA |
963 | extend_len = f->io_size + f->file_offset - |
964 | old_len; | |
5e0074c2 | 965 | } |
bcdedd0a | 966 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
967 | err = extend_file(td, f); |
968 | if (err) | |
3baddf24 | 969 | break; |
5e0074c2 | 970 | |
3baddf24 JA |
971 | err = __file_invalidate_cache(td, f, old_len, |
972 | extend_len); | |
9824f73b JA |
973 | |
974 | /* | |
975 | * Shut up static checker | |
976 | */ | |
977 | if (f->fd != -1) | |
978 | close(f->fd); | |
979 | ||
3baddf24 JA |
980 | f->fd = -1; |
981 | if (err) | |
7bb48f84 JA |
982 | break; |
983 | } | |
984 | temp_stall_ts = 0; | |
985 | } | |
986 | ||
987 | if (err) | |
e90391eb | 988 | goto err_out; |
7bb48f84 | 989 | |
de98bd30 JA |
990 | if (!o->zone_size) |
991 | o->zone_size = o->size; | |
7bb48f84 | 992 | |
ea966f81 JA |
993 | /* |
994 | * iolog already set the total io size, if we read back | |
995 | * stored entries. | |
996 | */ | |
77731b29 JA |
997 | if (!o->read_iolog_file) { |
998 | if (o->io_limit) | |
999 | td->total_io_size = o->io_limit * o->loops; | |
1000 | else | |
1001 | td->total_io_size = o->size * o->loops; | |
1002 | } | |
25460cf6 JA |
1003 | |
1004 | done: | |
de98bd30 | 1005 | if (o->create_only) |
25460cf6 JA |
1006 | td->done = 1; |
1007 | ||
8edd973d | 1008 | td_restore_runstate(td, old_state); |
7bb48f84 | 1009 | return 0; |
bcdedd0a | 1010 | err_offset: |
de98bd30 | 1011 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1012 | err_out: |
8edd973d | 1013 | td_restore_runstate(td, old_state); |
bcdedd0a | 1014 | return 1; |
53cdc686 JA |
1015 | } |
1016 | ||
afad68f7 ZY |
1017 | int pre_read_files(struct thread_data *td) |
1018 | { | |
1019 | struct fio_file *f; | |
1020 | unsigned int i; | |
1021 | ||
1022 | dprint(FD_FILE, "pre_read files\n"); | |
1023 | ||
1024 | for_each_file(td, f, i) { | |
1025 | pre_read_file(td, f); | |
1026 | } | |
1027 | ||
1028 | return 1; | |
1029 | } | |
1030 | ||
9c6f6316 JA |
1031 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1032 | { | |
2316296a | 1033 | unsigned int range_size, seed; |
9c6f6316 | 1034 | unsigned long nranges; |
42da5c8b | 1035 | uint64_t fsize; |
9c6f6316 JA |
1036 | |
1037 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1038 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1039 | |
42da5c8b | 1040 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1041 | |
2316296a | 1042 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1043 | if (!td->o.rand_repeatable) |
1044 | seed = td->rand_seeds[4]; | |
1045 | ||
9c6f6316 | 1046 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1047 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1048 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1049 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1050 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1051 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1052 | |
1053 | return 1; | |
1054 | } | |
1055 | ||
1056 | static int init_rand_distribution(struct thread_data *td) | |
1057 | { | |
1058 | struct fio_file *f; | |
1059 | unsigned int i; | |
1060 | int state; | |
1061 | ||
1062 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1063 | return 0; | |
1064 | ||
8edd973d JA |
1065 | state = td_bump_runstate(td, TD_SETTING_UP); |
1066 | ||
9c6f6316 JA |
1067 | for_each_file(td, f, i) |
1068 | __init_rand_distribution(td, f); | |
8edd973d JA |
1069 | |
1070 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1071 | |
1072 | return 1; | |
1073 | } | |
1074 | ||
75f90d5f JA |
1075 | /* |
1076 | * Check if the number of blocks exceeds the randomness capability of | |
1077 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1078 | * 64-bit capable. | |
1079 | */ | |
1080 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1081 | uint64_t blocks) | |
1082 | { | |
1083 | if (blocks <= FRAND32_MAX) | |
1084 | return 0; | |
1085 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1086 | return 0; | |
1087 | ||
1088 | /* | |
1089 | * If the user hasn't specified a random generator, switch | |
1090 | * to tausworthe64 with informational warning. If the user did | |
1091 | * specify one, just warn. | |
1092 | */ | |
1093 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1094 | f->file_name); | |
1095 | ||
1096 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1097 | log_info("fio: Switching to tausworthe64. Use the " | |
1098 | "random_generator= option to get rid of this " | |
4e795a3e | 1099 | "warning.\n"); |
75f90d5f JA |
1100 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1101 | return 0; | |
1102 | } | |
1103 | ||
1104 | /* | |
1105 | * Just make this information to avoid breaking scripts. | |
1106 | */ | |
1107 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1108 | "tausworthe64.\n"); | |
1109 | return 0; | |
1110 | } | |
1111 | ||
68727076 JA |
1112 | int init_random_map(struct thread_data *td) |
1113 | { | |
51ede0b1 | 1114 | unsigned long long blocks; |
68727076 JA |
1115 | struct fio_file *f; |
1116 | unsigned int i; | |
1117 | ||
9c6f6316 JA |
1118 | if (init_rand_distribution(td)) |
1119 | return 0; | |
3831a843 | 1120 | if (!td_random(td)) |
68727076 JA |
1121 | return 0; |
1122 | ||
1123 | for_each_file(td, f, i) { | |
42da5c8b | 1124 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1125 | |
42da5c8b | 1126 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1127 | |
75f90d5f | 1128 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1129 | return 1; |
37fbd7e9 | 1130 | |
8055e41d | 1131 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1132 | unsigned long seed; |
1133 | ||
1134 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1135 | |
967d1b63 JA |
1136 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1137 | fio_file_set_lfsr(f); | |
8055e41d | 1138 | continue; |
967d1b63 | 1139 | } |
3831a843 | 1140 | } else if (!td->o.norandommap) { |
7ebd796f | 1141 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1142 | if (f->io_axmap) { |
1143 | fio_file_set_axmap(f); | |
8055e41d | 1144 | continue; |
967d1b63 | 1145 | } |
1cad7121 JA |
1146 | } else if (td->o.norandommap) |
1147 | continue; | |
ceadd59e | 1148 | |
2b386d25 | 1149 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1150 | log_err("fio: failed allocating random map. If running" |
1151 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1152 | " option or set 'softrandommap'. Or give" |
1153 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1154 | return 1; |
1155 | } | |
303032ae JA |
1156 | |
1157 | log_info("fio: file %s failed allocating random map. Running " | |
1158 | "job without.\n", f->file_name); | |
68727076 JA |
1159 | } |
1160 | ||
1161 | return 0; | |
1162 | } | |
1163 | ||
53cdc686 JA |
1164 | void close_files(struct thread_data *td) |
1165 | { | |
0ab8db89 | 1166 | struct fio_file *f; |
af52b345 | 1167 | unsigned int i; |
53cdc686 | 1168 | |
2be3eec3 JA |
1169 | for_each_file(td, f, i) { |
1170 | if (fio_file_open(f)) | |
1171 | td_io_close_file(td, f); | |
1172 | } | |
24ffd2c2 JA |
1173 | } |
1174 | ||
1175 | void close_and_free_files(struct thread_data *td) | |
1176 | { | |
1177 | struct fio_file *f; | |
1178 | unsigned int i; | |
1179 | ||
ee56ad50 JA |
1180 | dprint(FD_FILE, "close files\n"); |
1181 | ||
0ab8db89 | 1182 | for_each_file(td, f, i) { |
38ef9c90 CF |
1183 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1184 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1185 | td_io_unlink_file(td, f); | |
1186 | } | |
1187 | ||
22a57ba8 JA |
1188 | if (fio_file_open(f)) |
1189 | td_io_close_file(td, f); | |
1190 | ||
b9fbcf21 | 1191 | remove_file_hash(f); |
b3dc7f07 | 1192 | |
b5f4d8ba JA |
1193 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1194 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1195 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1196 | } |
1197 | ||
f17c4392 | 1198 | sfree(f->file_name); |
fa1da865 | 1199 | f->file_name = NULL; |
967d1b63 JA |
1200 | if (fio_file_axmap(f)) { |
1201 | axmap_free(f->io_axmap); | |
1202 | f->io_axmap = NULL; | |
1203 | } | |
78d99e6a | 1204 | sfree(f); |
53cdc686 | 1205 | } |
b4a6a59a | 1206 | |
2dc1bbeb | 1207 | td->o.filename = NULL; |
cade3ef4 | 1208 | free(td->files); |
d7df1d13 | 1209 | free(td->file_locks); |
9efef3c4 | 1210 | td->files_index = 0; |
b4a6a59a | 1211 | td->files = NULL; |
d7df1d13 | 1212 | td->file_locks = NULL; |
27ddbfa0 | 1213 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1214 | td->o.nr_files = 0; |
53cdc686 | 1215 | } |
af52b345 | 1216 | |
e3bab463 | 1217 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1218 | { |
1219 | struct stat sb; | |
1220 | ||
66159828 JA |
1221 | if (!strcmp(f->file_name, "-")) |
1222 | f->filetype = FIO_TYPE_PIPE; | |
1223 | else | |
1224 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1225 | |
d5b78f5a | 1226 | #ifdef WIN32 |
3892182a BC |
1227 | /* \\.\ is the device namespace in Windows, where every file is |
1228 | * a block device */ | |
1229 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1230 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1231 | #endif |
3892182a | 1232 | |
b30d395e | 1233 | if (!stat(f->file_name, &sb)) { |
3892182a | 1234 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1235 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1236 | else if (S_ISCHR(sb.st_mode)) |
1237 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1238 | else if (S_ISFIFO(sb.st_mode)) |
1239 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1240 | } |
1241 | } | |
1242 | ||
1b2a83dc | 1243 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1244 | { |
90426237 | 1245 | struct flist_head *entry; |
1b2a83dc | 1246 | bool ret; |
bcbfeefa | 1247 | |
1b2a83dc JA |
1248 | ret = file_bloom_exists(fname, set); |
1249 | if (!ret) | |
1250 | return ret; | |
90426237 JA |
1251 | |
1252 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1253 | struct file_name *fn; |
90426237 | 1254 | |
04d6530f JA |
1255 | fn = flist_entry(entry, struct file_name, list); |
1256 | ||
1257 | if (!strcmp(fn->filename, fname)) | |
1258 | return true; | |
90426237 JA |
1259 | } |
1260 | ||
04d6530f | 1261 | return false; |
bcbfeefa CE |
1262 | } |
1263 | ||
04d6530f | 1264 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1265 | { |
04d6530f | 1266 | bool ret; |
bcbfeefa | 1267 | |
90426237 | 1268 | fio_file_hash_lock(); |
1b2a83dc | 1269 | ret = __is_already_allocated(fname, false); |
90426237 | 1270 | fio_file_hash_unlock(); |
04d6530f | 1271 | |
90426237 JA |
1272 | return ret; |
1273 | } | |
bcbfeefa | 1274 | |
90426237 JA |
1275 | static void set_already_allocated(const char *fname) |
1276 | { | |
1277 | struct file_name *fn; | |
1278 | ||
1279 | fn = malloc(sizeof(struct file_name)); | |
1280 | fn->filename = strdup(fname); | |
1281 | ||
1282 | fio_file_hash_lock(); | |
1b2a83dc | 1283 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1284 | flist_add_tail(&fn->list, &filename_list); |
1285 | fn = NULL; | |
bcbfeefa | 1286 | } |
90426237 | 1287 | fio_file_hash_unlock(); |
bcbfeefa | 1288 | |
90426237 JA |
1289 | if (fn) { |
1290 | free(fn->filename); | |
1291 | free(fn); | |
1292 | } | |
bcbfeefa CE |
1293 | } |
1294 | ||
190b8f0c CF |
1295 | static void free_already_allocated(void) |
1296 | { | |
bcbfeefa CE |
1297 | struct flist_head *entry, *tmp; |
1298 | struct file_name *fn; | |
1299 | ||
90426237 JA |
1300 | if (flist_empty(&filename_list)) |
1301 | return; | |
1302 | ||
1303 | fio_file_hash_lock(); | |
1304 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1305 | fn = flist_entry(entry, struct file_name, list); | |
1306 | free(fn->filename); | |
1307 | flist_del(&fn->list); | |
1308 | free(fn); | |
bcbfeefa | 1309 | } |
90426237 JA |
1310 | |
1311 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1312 | } |
1313 | ||
7b5cb700 JA |
1314 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1315 | { | |
1316 | struct fio_file *f; | |
1317 | ||
1318 | f = smalloc(sizeof(*f)); | |
1319 | if (!f) { | |
7b5cb700 JA |
1320 | assert(0); |
1321 | return NULL; | |
1322 | } | |
1323 | ||
1324 | f->fd = -1; | |
1325 | f->shadow_fd = -1; | |
1326 | fio_file_reset(td, f); | |
1327 | return f; | |
1328 | } | |
1329 | ||
04d6530f JA |
1330 | bool exists_and_not_regfile(const char *filename) |
1331 | { | |
1332 | struct stat sb; | |
1333 | ||
1334 | if (lstat(filename, &sb) == -1) | |
1335 | return false; | |
1336 | ||
1337 | #ifndef WIN32 /* NOT Windows */ | |
1338 | if (S_ISREG(sb.st_mode)) | |
1339 | return false; | |
1340 | #else | |
1341 | /* \\.\ is the device namespace in Windows, where every file | |
1342 | * is a device node */ | |
1343 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1344 | return false; | |
1345 | #endif | |
1346 | ||
1347 | return true; | |
1348 | } | |
1349 | ||
5903e7b7 | 1350 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1351 | { |
7b4e4fe5 | 1352 | int cur_files = td->files_index; |
bd0ee748 | 1353 | char file_name[PATH_MAX]; |
af52b345 | 1354 | struct fio_file *f; |
bd0ee748 | 1355 | int len = 0; |
af52b345 | 1356 | |
ee56ad50 JA |
1357 | dprint(FD_FILE, "add file %s\n", fname); |
1358 | ||
bcbfeefa | 1359 | if (td->o.directory) |
922a5be8 JA |
1360 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1361 | td->o.unique_filename); | |
bcbfeefa CE |
1362 | |
1363 | sprintf(file_name + len, "%s", fname); | |
1364 | ||
1365 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1366 | if (numjob && is_already_allocated(file_name) && |
1367 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1368 | return 0; |
1369 | ||
7b5cb700 | 1370 | f = alloc_new_file(td); |
bd0ee748 | 1371 | |
fc99bc0d | 1372 | if (td->files_size <= td->files_index) { |
1983e327 | 1373 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1374 | |
fc99bc0d JA |
1375 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1376 | ||
1377 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1378 | if (td->files == NULL) { |
1379 | log_err("fio: realloc OOM\n"); | |
1380 | assert(0); | |
1381 | } | |
d7df1d13 JA |
1382 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1383 | td->file_locks = realloc(td->file_locks, new_size); | |
1384 | if (!td->file_locks) { | |
1385 | log_err("fio: realloc OOM\n"); | |
1386 | assert(0); | |
1387 | } | |
1388 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1389 | } | |
fc99bc0d JA |
1390 | td->files_size = new_size; |
1391 | } | |
8bb7679e | 1392 | td->files[cur_files] = f; |
89ac1d48 | 1393 | f->fileno = cur_files; |
126d65c6 | 1394 | |
07eb79df JA |
1395 | /* |
1396 | * init function, io engine may not be loaded yet | |
1397 | */ | |
9b87f09b | 1398 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1399 | f->real_file_size = -1ULL; |
1400 | ||
f17c4392 | 1401 | f->file_name = smalloc_strdup(file_name); |
81b3c86f | 1402 | if (!f->file_name) |
c48c0be7 | 1403 | assert(0); |
0b9d69ec | 1404 | |
e3bab463 | 1405 | get_file_type(f); |
af52b345 | 1406 | |
4d4e80f2 JA |
1407 | switch (td->o.file_lock_mode) { |
1408 | case FILE_LOCK_NONE: | |
1409 | break; | |
1410 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1411 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1412 | break; |
1413 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1414 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1415 | break; |
1416 | default: | |
1417 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1418 | assert(0); | |
1419 | } | |
29c1349f | 1420 | |
7b4e4fe5 | 1421 | td->files_index++; |
1549441c JA |
1422 | if (f->filetype == FIO_TYPE_FILE) |
1423 | td->nr_normal_files++; | |
f29b25a3 | 1424 | |
bcbfeefa CE |
1425 | set_already_allocated(file_name); |
1426 | ||
5903e7b7 JA |
1427 | if (inc) |
1428 | td->o.nr_files++; | |
1429 | ||
5ec10eaa JA |
1430 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1431 | cur_files); | |
9efef3c4 | 1432 | |
f29b25a3 | 1433 | return cur_files; |
af52b345 | 1434 | } |
0ad920e7 | 1435 | |
49ffb4a2 JA |
1436 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1437 | { | |
1438 | struct fio_file *f; | |
1439 | unsigned int i; | |
1440 | ||
1441 | for_each_file(td, f, i) { | |
1442 | if (!strcmp(f->file_name, fname)) | |
1443 | return i; | |
1444 | } | |
1445 | ||
5903e7b7 | 1446 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1447 | } |
1448 | ||
0ad920e7 JA |
1449 | void get_file(struct fio_file *f) |
1450 | { | |
8172fe97 | 1451 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1452 | assert(fio_file_open(f)); |
0ad920e7 JA |
1453 | f->references++; |
1454 | } | |
1455 | ||
6977bcd0 | 1456 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1457 | { |
98e1ac4e | 1458 | int f_ret = 0, ret = 0; |
6977bcd0 | 1459 | |
8172fe97 | 1460 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1461 | |
22a57ba8 JA |
1462 | if (!fio_file_open(f)) { |
1463 | assert(f->fd == -1); | |
6977bcd0 | 1464 | return 0; |
22a57ba8 | 1465 | } |
0ad920e7 JA |
1466 | |
1467 | assert(f->references); | |
1468 | if (--f->references) | |
6977bcd0 | 1469 | return 0; |
0ad920e7 | 1470 | |
71b84caa | 1471 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1472 | f_ret = fsync(f->fd); |
71b84caa JA |
1473 | if (f_ret < 0) |
1474 | f_ret = errno; | |
1475 | } | |
ebb1415f | 1476 | |
0ad920e7 | 1477 | if (td->io_ops->close_file) |
6977bcd0 | 1478 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1479 | |
98e1ac4e | 1480 | if (!ret) |
a5fb461f | 1481 | ret = f_ret; |
98e1ac4e | 1482 | |
0ad920e7 | 1483 | td->nr_open_files--; |
d6aed795 | 1484 | fio_file_clear_open(f); |
22a57ba8 | 1485 | assert(f->fd == -1); |
6977bcd0 | 1486 | return ret; |
0ad920e7 | 1487 | } |
bbf6b540 | 1488 | |
4d4e80f2 | 1489 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1490 | { |
4d4e80f2 JA |
1491 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1492 | return; | |
29c1349f | 1493 | |
4d4e80f2 JA |
1494 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1495 | if (ddir == DDIR_READ) | |
d7df1d13 | 1496 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1497 | else |
d7df1d13 | 1498 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1499 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1500 | fio_mutex_down(f->lock); | |
1501 | ||
d7df1d13 | 1502 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1503 | } |
1504 | ||
4d4e80f2 | 1505 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1506 | { |
4d4e80f2 JA |
1507 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1508 | return; | |
4d4e80f2 | 1509 | |
d7df1d13 JA |
1510 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1511 | fio_rwlock_unlock(f->rwlock); | |
1512 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1513 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1514 | |
1515 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1516 | } |
1517 | ||
4d4e80f2 JA |
1518 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1519 | { | |
f2a2803a | 1520 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1521 | return; |
d7df1d13 JA |
1522 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1523 | unlock_file(td, f); | |
4d4e80f2 JA |
1524 | } |
1525 | ||
bbf6b540 JA |
1526 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1527 | { | |
1528 | struct dirent *dir; | |
1529 | int ret = 0; | |
1530 | DIR *D; | |
1531 | ||
1532 | D = opendir(dirname); | |
1533 | if (!D) { | |
0ddb270c JA |
1534 | char buf[FIO_VERROR_SIZE]; |
1535 | ||
98ffb8f3 | 1536 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1537 | td_verror(td, errno, buf); |
bbf6b540 JA |
1538 | return 1; |
1539 | } | |
1540 | ||
1541 | while ((dir = readdir(D)) != NULL) { | |
1542 | char full_path[PATH_MAX]; | |
1543 | struct stat sb; | |
1544 | ||
e85b2b83 JA |
1545 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1546 | continue; | |
96d32d51 | 1547 | |
b9fd788f | 1548 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1549 | |
1550 | if (lstat(full_path, &sb) == -1) { | |
1551 | if (errno != ENOENT) { | |
1552 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1553 | ret = 1; |
1554 | break; | |
bbf6b540 JA |
1555 | } |
1556 | } | |
1557 | ||
1558 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1559 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1560 | continue; |
1561 | } | |
0ddb270c JA |
1562 | if (!S_ISDIR(sb.st_mode)) |
1563 | continue; | |
bbf6b540 | 1564 | |
5ec10eaa JA |
1565 | ret = recurse_dir(td, full_path); |
1566 | if (ret) | |
bbf6b540 JA |
1567 | break; |
1568 | } | |
1569 | ||
1570 | closedir(D); | |
1571 | return ret; | |
1572 | } | |
1573 | ||
1574 | int add_dir_files(struct thread_data *td, const char *path) | |
1575 | { | |
0ddb270c JA |
1576 | int ret = recurse_dir(td, path); |
1577 | ||
1578 | if (!ret) | |
1579 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1580 | ||
1581 | return ret; | |
bbf6b540 | 1582 | } |
cade3ef4 JA |
1583 | |
1584 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1585 | { | |
1586 | struct fio_file *f; | |
1587 | unsigned int i; | |
9efef3c4 JA |
1588 | |
1589 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1590 | |
1591 | if (!org->files) | |
1592 | return; | |
1593 | ||
9efef3c4 | 1594 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1595 | |
d7df1d13 JA |
1596 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1597 | td->file_locks = malloc(org->files_index); | |
1598 | ||
9efef3c4 | 1599 | for_each_file(org, f, i) { |
b0fe421a JA |
1600 | struct fio_file *__f; |
1601 | ||
7b5cb700 | 1602 | __f = alloc_new_file(td); |
0b9d69ec | 1603 | |
bc3456fa | 1604 | if (f->file_name) { |
f17c4392 | 1605 | __f->file_name = smalloc_strdup(f->file_name); |
81b3c86f | 1606 | if (!__f->file_name) |
c48c0be7 | 1607 | assert(0); |
0b9d69ec | 1608 | |
bc3456fa AC |
1609 | __f->filetype = f->filetype; |
1610 | } | |
b0fe421a | 1611 | |
67ad9242 JA |
1612 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1613 | __f->lock = f->lock; | |
1614 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1615 | __f->rwlock = f->rwlock; | |
1616 | ||
b0fe421a | 1617 | td->files[i] = __f; |
cade3ef4 JA |
1618 | } |
1619 | } | |
f29b25a3 JA |
1620 | |
1621 | /* | |
1622 | * Returns the index that matches the filename, or -1 if not there | |
1623 | */ | |
1624 | int get_fileno(struct thread_data *td, const char *fname) | |
1625 | { | |
1626 | struct fio_file *f; | |
1627 | unsigned int i; | |
1628 | ||
1629 | for_each_file(td, f, i) | |
1630 | if (!strcmp(f->file_name, fname)) | |
1631 | return i; | |
1632 | ||
1633 | return -1; | |
1634 | } | |
1635 | ||
1636 | /* | |
1637 | * For log usage, where we add/open/close files automatically | |
1638 | */ | |
1639 | void free_release_files(struct thread_data *td) | |
1640 | { | |
1641 | close_files(td); | |
66ee4002 JA |
1642 | td->o.nr_files = 0; |
1643 | td->o.open_files = 0; | |
f29b25a3 JA |
1644 | td->files_index = 0; |
1645 | td->nr_normal_files = 0; | |
1646 | } | |
33c48814 JA |
1647 | |
1648 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1649 | { | |
f1dfb668 JA |
1650 | int i; |
1651 | ||
1652 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1653 | f->last_pos[i] = f->file_offset; | |
1654 | f->last_start[i] = -1ULL; | |
1655 | } | |
1656 | ||
967d1b63 | 1657 | if (fio_file_axmap(f)) |
33c48814 | 1658 | axmap_reset(f->io_axmap); |
967d1b63 | 1659 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1660 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1661 | } | |
002fe734 | 1662 | |
747b3105 | 1663 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1664 | { |
1665 | struct fio_file *f; | |
1666 | unsigned int i; | |
1667 | ||
1668 | for_each_file(td, f, i) | |
1669 | if (!fio_file_done(f)) | |
747b3105 | 1670 | return false; |
002fe734 | 1671 | |
747b3105 | 1672 | return true; |
002fe734 | 1673 | } |
bcbfeefa CE |
1674 | |
1675 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1676 | void filesetup_mem_free(void) |
1677 | { | |
bcbfeefa CE |
1678 | free_already_allocated(); |
1679 | } |