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 |
a0cb220b | 378 | f->real_file_size = -1; |
53cdc686 | 379 | |
a0cb220b | 380 | if (ret) |
53cdc686 JA |
381 | return ret; |
382 | ||
383 | if (f->file_offset > f->real_file_size) { | |
0f2152c1 | 384 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
385 | (unsigned long long) f->file_offset, |
386 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
387 | return 1; |
388 | } | |
389 | ||
d6aed795 | 390 | fio_file_set_size_known(f); |
53cdc686 JA |
391 | return 0; |
392 | } | |
393 | ||
3baddf24 JA |
394 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
395 | unsigned long long off, | |
396 | unsigned long long len) | |
e5b401d4 | 397 | { |
942a851a | 398 | int errval = 0, ret = 0; |
e5b401d4 | 399 | |
c8931876 JA |
400 | #ifdef CONFIG_ESX |
401 | return 0; | |
402 | #endif | |
403 | ||
5e0074c2 | 404 | if (len == -1ULL) |
3baddf24 JA |
405 | len = f->io_size; |
406 | if (off == -1ULL) | |
407 | off = f->file_offset; | |
ee56ad50 | 408 | |
0d1cd207 JA |
409 | if (len == -1ULL || off == -1ULL) |
410 | return 0; | |
411 | ||
3baddf24 JA |
412 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
413 | len); | |
b5af8293 | 414 | |
942a851a | 415 | if (td->io_ops->invalidate) { |
d9b100fc | 416 | ret = td->io_ops->invalidate(td, f); |
942a851a JA |
417 | if (ret < 0) |
418 | errval = ret; | |
419 | } else if (f->filetype == FIO_TYPE_FILE) { | |
ecc314ba | 420 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 421 | if (ret) |
942a851a | 422 | errval = ret; |
686fbd31 | 423 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
424 | int retry_count = 0; |
425 | ||
ecc314ba | 426 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
427 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
428 | /* | |
429 | * Linux multipath devices reject ioctl while | |
430 | * the maps are being updated. That window can | |
431 | * last tens of milliseconds; we'll try up to | |
432 | * a quarter of a second. | |
433 | */ | |
434 | usleep(10000); | |
435 | ret = blockdev_invalidate_cache(f); | |
436 | } | |
7e0e25c9 | 437 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 438 | if (!root_warn) { |
5ec10eaa JA |
439 | log_err("fio: only root may flush block " |
440 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
441 | root_warn = 1; |
442 | } | |
7e0e25c9 JA |
443 | ret = 0; |
444 | } | |
942a851a JA |
445 | if (ret < 0) |
446 | errval = errno; | |
b5605e9d | 447 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
448 | ret = 0; |
449 | ||
dfe11fd1 JA |
450 | /* |
451 | * Cache flushing isn't a fatal condition, and we know it will | |
452 | * happen on some platforms where we don't have the proper | |
453 | * function to flush eg block device caches. So just warn and | |
454 | * continue on our way. | |
455 | */ | |
942a851a JA |
456 | if (errval) |
457 | log_info("fio: cache invalidation of %s failed: %s\n", f->file_name, strerror(errval)); | |
e5b401d4 | 458 | |
dfe11fd1 | 459 | return 0; |
3baddf24 JA |
460 | |
461 | } | |
462 | ||
463 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
464 | { | |
d6aed795 | 465 | if (!fio_file_open(f)) |
a5fb461f JA |
466 | return 0; |
467 | ||
5e0074c2 | 468 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
469 | } |
470 | ||
6977bcd0 | 471 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 472 | { |
6977bcd0 JA |
473 | int ret = 0; |
474 | ||
ee56ad50 | 475 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
476 | |
477 | remove_file_hash(f); | |
478 | ||
6977bcd0 JA |
479 | if (close(f->fd) < 0) |
480 | ret = errno; | |
481 | ||
b5af8293 | 482 | f->fd = -1; |
e6c4d732 JA |
483 | |
484 | if (f->shadow_fd != -1) { | |
485 | close(f->shadow_fd); | |
486 | f->shadow_fd = -1; | |
487 | } | |
488 | ||
57e54e08 | 489 | f->engine_data = 0; |
6977bcd0 | 490 | return ret; |
53cdc686 JA |
491 | } |
492 | ||
1ccc6dc7 | 493 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 494 | { |
29c1349f | 495 | struct fio_file *__f; |
4d4e80f2 JA |
496 | int from_hash; |
497 | ||
498 | __f = lookup_file_hash(f->file_name); | |
499 | if (__f) { | |
9efef3c4 | 500 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 501 | f->lock = __f->lock; |
4d4e80f2 JA |
502 | from_hash = 1; |
503 | } else { | |
9efef3c4 | 504 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
505 | from_hash = 0; |
506 | } | |
507 | ||
9c0f3f32 BC |
508 | #ifdef WIN32 |
509 | flags |= _O_BINARY; | |
510 | #endif | |
511 | ||
e8670ef8 | 512 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
513 | return from_hash; |
514 | } | |
515 | ||
e6c4d732 JA |
516 | static int file_close_shadow_fds(struct thread_data *td) |
517 | { | |
518 | struct fio_file *f; | |
519 | int num_closed = 0; | |
520 | unsigned int i; | |
521 | ||
522 | for_each_file(td, f, i) { | |
523 | if (f->shadow_fd == -1) | |
524 | continue; | |
525 | ||
526 | close(f->shadow_fd); | |
527 | f->shadow_fd = -1; | |
528 | num_closed++; | |
529 | } | |
530 | ||
531 | return num_closed; | |
532 | } | |
533 | ||
4d4e80f2 JA |
534 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
535 | { | |
66159828 | 536 | int is_std = 0; |
53cdc686 | 537 | int flags = 0; |
29c1349f | 538 | int from_hash = 0; |
53cdc686 | 539 | |
ee56ad50 JA |
540 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
541 | ||
66159828 JA |
542 | if (!strcmp(f->file_name, "-")) { |
543 | if (td_rw(td)) { | |
544 | log_err("fio: can't read/write to stdin/out\n"); | |
545 | return 1; | |
546 | } | |
547 | is_std = 1; | |
ce98fa66 JA |
548 | |
549 | /* | |
550 | * move output logging to stderr, if we are writing to stdout | |
551 | */ | |
552 | if (td_write(td)) | |
553 | f_out = stderr; | |
66159828 JA |
554 | } |
555 | ||
6eaf09d6 SL |
556 | if (td_trim(td)) |
557 | goto skip_flags; | |
2dc1bbeb | 558 | if (td->o.odirect) |
2fd233b7 | 559 | flags |= OS_O_DIRECT; |
d01612f3 CM |
560 | if (td->o.oatomic) { |
561 | if (!FIO_O_ATOMIC) { | |
562 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
563 | return 1; | |
564 | } | |
565 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
566 | } | |
2dc1bbeb | 567 | if (td->o.sync_io) |
2fd233b7 | 568 | flags |= O_SYNC; |
2378826d | 569 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 570 | flags |= O_CREAT; |
6eaf09d6 SL |
571 | skip_flags: |
572 | if (f->filetype != FIO_TYPE_FILE) | |
573 | flags |= FIO_O_NOATIME; | |
53cdc686 | 574 | |
056f3459 | 575 | open_again: |
660a1cb5 | 576 | if (td_write(td)) { |
17308158 JA |
577 | if (!read_only) |
578 | flags |= O_RDWR; | |
53cdc686 | 579 | |
2378826d | 580 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 581 | flags |= O_CREAT; |
2fd233b7 | 582 | |
66159828 JA |
583 | if (is_std) |
584 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
585 | else |
586 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 587 | } else if (td_read(td)) { |
4241ea8f | 588 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
589 | flags |= O_RDWR; |
590 | else | |
591 | flags |= O_RDONLY; | |
592 | ||
66159828 JA |
593 | if (is_std) |
594 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
595 | else |
596 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 SL |
597 | } else { //td trim |
598 | flags |= O_RDWR; | |
599 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
600 | } |
601 | ||
602 | if (f->fd == -1) { | |
e4e33258 | 603 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
604 | int __e = errno; |
605 | ||
835d9b9e | 606 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 607 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
608 | goto open_again; |
609 | } | |
e6c4d732 JA |
610 | if (__e == EMFILE && file_close_shadow_fds(td)) |
611 | goto open_again; | |
056f3459 | 612 | |
98ffb8f3 | 613 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 614 | |
a93c5f04 JA |
615 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
616 | log_err("fio: looks like your file system does not " \ | |
617 | "support direct=1/buffered=0\n"); | |
618 | } | |
619 | ||
e4e33258 | 620 | td_verror(td, __e, buf); |
3ce3ad33 | 621 | return 1; |
53cdc686 JA |
622 | } |
623 | ||
29c1349f JA |
624 | if (!from_hash && f->fd != -1) { |
625 | if (add_file_hash(f)) { | |
3f0ca9b9 | 626 | int fio_unused ret; |
29c1349f JA |
627 | |
628 | /* | |
e6c4d732 JA |
629 | * Stash away descriptor for later close. This is to |
630 | * work-around a "feature" on Linux, where a close of | |
631 | * an fd that has been opened for write will trigger | |
632 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 633 | * That pollutes the device cache, which can slow down |
e6c4d732 | 634 | * unbuffered accesses. |
29c1349f | 635 | */ |
e6c4d732 JA |
636 | if (f->shadow_fd == -1) |
637 | f->shadow_fd = f->fd; | |
638 | else { | |
639 | /* | |
640 | * OK to ignore, we haven't done anything | |
641 | * with it | |
642 | */ | |
643 | ret = generic_close_file(td, f); | |
644 | } | |
29c1349f JA |
645 | goto open_again; |
646 | } | |
647 | } | |
4906e0b5 | 648 | |
53cdc686 | 649 | return 0; |
b5af8293 JA |
650 | } |
651 | ||
df9c26b1 | 652 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 653 | { |
df9c26b1 | 654 | return get_file_size(td, f); |
21972cde JA |
655 | } |
656 | ||
7bb48f84 JA |
657 | /* |
658 | * open/close all files, so that ->real_file_size gets set | |
659 | */ | |
bab3fd58 | 660 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
661 | { |
662 | struct fio_file *f; | |
663 | unsigned int i; | |
bab3fd58 | 664 | int err = 0; |
7bb48f84 JA |
665 | |
666 | for_each_file(td, f, i) { | |
5ec10eaa JA |
667 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
668 | f->file_name); | |
9efef3c4 | 669 | |
99a47c69 | 670 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
671 | if (td->error != ENOENT) { |
672 | log_err("%s\n", td->verror); | |
673 | err = 1; | |
3ce3ad33 | 674 | break; |
40b44f4a | 675 | } |
541d66d7 | 676 | clear_error(td); |
07eb79df | 677 | } |
409b3417 JA |
678 | |
679 | if (f->real_file_size == -1ULL && td->o.size) | |
680 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 681 | } |
bab3fd58 JA |
682 | |
683 | return err; | |
7bb48f84 JA |
684 | } |
685 | ||
2e3bd4c2 JA |
686 | struct fio_mount { |
687 | struct flist_head list; | |
688 | const char *base; | |
689 | char __base[256]; | |
690 | unsigned int key; | |
691 | }; | |
692 | ||
693 | /* | |
694 | * Get free number of bytes for each file on each unique mount. | |
695 | */ | |
696 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
697 | { | |
698 | struct flist_head *n, *tmp; | |
68b0316f | 699 | unsigned long long ret = 0; |
2e3bd4c2 JA |
700 | struct fio_mount *fm; |
701 | FLIST_HEAD(list); | |
702 | struct fio_file *f; | |
703 | unsigned int i; | |
704 | ||
705 | for_each_file(td, f, i) { | |
706 | struct stat sb; | |
707 | char buf[256]; | |
708 | ||
686fbd31 | 709 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
710 | if (f->real_file_size != -1ULL) |
711 | ret += f->real_file_size; | |
68b0316f JA |
712 | continue; |
713 | } else if (f->filetype != FIO_TYPE_FILE) | |
714 | continue; | |
715 | ||
da27a4bf JA |
716 | buf[255] = '\0'; |
717 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
718 | |
719 | if (stat(buf, &sb) < 0) { | |
720 | if (errno != ENOENT) | |
721 | break; | |
722 | strcpy(buf, "."); | |
723 | if (stat(buf, &sb) < 0) | |
724 | break; | |
725 | } | |
726 | ||
727 | fm = NULL; | |
728 | flist_for_each(n, &list) { | |
729 | fm = flist_entry(n, struct fio_mount, list); | |
730 | if (fm->key == sb.st_dev) | |
731 | break; | |
732 | ||
733 | fm = NULL; | |
734 | } | |
735 | ||
736 | if (fm) | |
737 | continue; | |
738 | ||
3660ceae JA |
739 | fm = calloc(1, sizeof(*fm)); |
740 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
741 | fm->base = basename(fm->__base); |
742 | fm->key = sb.st_dev; | |
743 | flist_add(&fm->list, &list); | |
744 | } | |
745 | ||
2e3bd4c2 JA |
746 | flist_for_each_safe(n, tmp, &list) { |
747 | unsigned long long sz; | |
748 | ||
749 | fm = flist_entry(n, struct fio_mount, list); | |
750 | flist_del(&fm->list); | |
751 | ||
c08ad04c | 752 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
753 | if (sz && sz != -1ULL) |
754 | ret += sz; | |
755 | ||
756 | free(fm); | |
757 | } | |
758 | ||
759 | return ret; | |
760 | } | |
761 | ||
bedc9dc2 | 762 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 763 | { |
bedc9dc2 JA |
764 | struct thread_options *o = &td->o; |
765 | ||
766 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
767 | return f->real_file_size; | |
768 | ||
9bbefaa2 JA |
769 | return td->o.start_offset + |
770 | td->subjob_number * td->o.offset_increment; | |
ce95d651 DE |
771 | } |
772 | ||
7bb48f84 JA |
773 | /* |
774 | * Open the files and setup files sizes, creating files if necessary. | |
775 | */ | |
53cdc686 JA |
776 | int setup_files(struct thread_data *td) |
777 | { | |
7bb48f84 | 778 | unsigned long long total_size, extend_size; |
de98bd30 | 779 | struct thread_options *o = &td->o; |
53cdc686 | 780 | struct fio_file *f; |
002fe734 | 781 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 782 | int err = 0, need_extend; |
e90391eb | 783 | int old_state; |
002fe734 JA |
784 | const unsigned int bs = td_min_bs(td); |
785 | uint64_t fs = 0; | |
53cdc686 | 786 | |
ee56ad50 JA |
787 | dprint(FD_FILE, "setup files\n"); |
788 | ||
8edd973d | 789 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 790 | |
de98bd30 | 791 | if (o->read_iolog_file) |
25460cf6 | 792 | goto done; |
691c8fb0 | 793 | |
53cdc686 JA |
794 | /* |
795 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
796 | * opening the files and setting f->real_file_size to indicate |
797 | * the valid range for that file. | |
53cdc686 JA |
798 | */ |
799 | if (td->io_ops->setup) | |
7bb48f84 JA |
800 | err = td->io_ops->setup(td); |
801 | else | |
bab3fd58 | 802 | err = get_file_sizes(td); |
53cdc686 | 803 | |
f1027063 | 804 | if (err) |
e90391eb | 805 | goto err_out; |
f1027063 | 806 | |
0a7eb121 | 807 | /* |
7bb48f84 JA |
808 | * check sizes. if the files/devices do not exist and the size |
809 | * isn't passed to fio, abort. | |
0a7eb121 | 810 | */ |
7bb48f84 JA |
811 | total_size = 0; |
812 | for_each_file(td, f, i) { | |
49a416bd | 813 | f->fileno = i; |
7bb48f84 JA |
814 | if (f->real_file_size == -1ULL) |
815 | total_size = -1ULL; | |
816 | else | |
817 | total_size += f->real_file_size; | |
818 | } | |
0a7eb121 | 819 | |
de98bd30 | 820 | if (o->fill_device) |
2e3bd4c2 JA |
821 | td->fill_device_size = get_fs_free_counts(td); |
822 | ||
7bb48f84 JA |
823 | /* |
824 | * device/file sizes are zero and no size given, punt | |
825 | */ | |
de98bd30 | 826 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 827 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
828 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
829 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 830 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 831 | goto err_out; |
53cdc686 JA |
832 | } |
833 | ||
002fe734 JA |
834 | /* |
835 | * Calculate per-file size and potential extra size for the | |
836 | * first files, if needed. | |
837 | */ | |
d1e78e6b | 838 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
839 | uint64_t all_fs; |
840 | ||
841 | fs = o->size / o->nr_files; | |
842 | all_fs = fs * o->nr_files; | |
843 | ||
844 | if (all_fs < o->size) | |
845 | nr_fs_extra = (o->size - all_fs) / bs; | |
846 | } | |
847 | ||
7bb48f84 JA |
848 | /* |
849 | * now file sizes are known, so we can set ->io_size. if size= is | |
850 | * not given, ->io_size is just equal to ->real_file_size. if size | |
851 | * is given, ->io_size is size / nr_files. | |
852 | */ | |
853 | extend_size = total_size = 0; | |
854 | need_extend = 0; | |
855 | for_each_file(td, f, i) { | |
bedc9dc2 | 856 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 857 | |
de98bd30 | 858 | if (!o->file_size_low) { |
7bb48f84 JA |
859 | /* |
860 | * no file size range given, file size is equal to | |
002fe734 JA |
861 | * total size divided by number of files. If that is |
862 | * zero, set it to the real file size. If the size | |
863 | * doesn't divide nicely with the min blocksize, | |
864 | * make the first files bigger. | |
7bb48f84 | 865 | */ |
002fe734 JA |
866 | f->io_size = fs; |
867 | if (nr_fs_extra) { | |
868 | nr_fs_extra--; | |
869 | f->io_size += bs; | |
870 | } | |
871 | ||
65bdb10a | 872 | if (!f->io_size) |
273f8c91 | 873 | f->io_size = f->real_file_size - f->file_offset; |
de98bd30 JA |
874 | } else if (f->real_file_size < o->file_size_low || |
875 | f->real_file_size > o->file_size_high) { | |
876 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 877 | goto err_offset; |
7bb48f84 JA |
878 | /* |
879 | * file size given. if it's fixed, use that. if it's a | |
880 | * range, generate a random size in-between. | |
881 | */ | |
de98bd30 JA |
882 | if (o->file_size_low == o->file_size_high) |
883 | f->io_size = o->file_size_low - f->file_offset; | |
884 | else { | |
5ec10eaa JA |
885 | f->io_size = get_rand_file_size(td) |
886 | - f->file_offset; | |
887 | } | |
65bdb10a | 888 | } else |
bcdedd0a | 889 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 890 | |
7bb48f84 JA |
891 | if (f->io_size == -1ULL) |
892 | total_size = -1ULL; | |
4d002569 | 893 | else { |
e391c704 JA |
894 | if (o->size_percent) { |
895 | f->io_size = (f->io_size * o->size_percent) / 100; | |
896 | f->io_size -= (f->io_size % td_min_bs(td)); | |
897 | } | |
7bb48f84 | 898 | total_size += f->io_size; |
4d002569 | 899 | } |
7bb48f84 JA |
900 | |
901 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 902 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 903 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
904 | if (!o->create_on_open) { |
905 | need_extend++; | |
814452bd | 906 | extend_size += (f->io_size + f->file_offset); |
5fd31680 | 907 | } else |
814452bd | 908 | f->real_file_size = f->io_size + f->file_offset; |
d6aed795 | 909 | fio_file_set_extend(f); |
5ec10eaa | 910 | } |
7bb48f84 | 911 | } |
53cdc686 | 912 | |
66347cfa DE |
913 | if (td->o.block_error_hist) { |
914 | int len; | |
915 | ||
916 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
917 | f = td->files[0]; | |
918 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
919 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
920 | log_err("fio: cannot calculate block histogram with " | |
921 | "%d trim blocks, maximum %d\n", | |
922 | len, MAX_NR_BLOCK_INFOS); | |
923 | td_verror(td, EINVAL, "block_error_hist"); | |
924 | goto err_out; | |
925 | } | |
926 | ||
927 | td->ts.nr_block_infos = len; | |
8a68c41c | 928 | for (i = 0; i < len; i++) |
66347cfa DE |
929 | td->ts.block_infos[i] = |
930 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
931 | } else | |
932 | td->ts.nr_block_infos = 0; | |
933 | ||
0bc27b0b | 934 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 935 | o->size = total_size; |
21972cde | 936 | |
d1faa06d JA |
937 | if (o->size < td_min_bs(td)) { |
938 | log_err("fio: blocksize too large for data set\n"); | |
939 | goto err_out; | |
940 | } | |
941 | ||
7bb48f84 JA |
942 | /* |
943 | * See if we need to extend some files | |
944 | */ | |
945 | if (need_extend) { | |
946 | temp_stall_ts = 1; | |
129fb2d4 | 947 | if (output_format & FIO_OUTPUT_NORMAL) |
420b104a RE |
948 | log_info("%s: Laying out IO file(s) (%u file(s) / %lluMiB)\n", |
949 | o->name, need_extend, extend_size >> 20); | |
7bb48f84 JA |
950 | |
951 | for_each_file(td, f, i) { | |
5e0074c2 | 952 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 953 | |
d6aed795 | 954 | if (!fio_file_extend(f)) |
7bb48f84 JA |
955 | continue; |
956 | ||
409b3417 | 957 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 958 | fio_file_clear_extend(f); |
de98bd30 | 959 | if (!o->fill_device) { |
5e0074c2 | 960 | old_len = f->real_file_size; |
0b9d69ec JA |
961 | extend_len = f->io_size + f->file_offset - |
962 | old_len; | |
5e0074c2 | 963 | } |
bcdedd0a | 964 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
965 | err = extend_file(td, f); |
966 | if (err) | |
3baddf24 | 967 | break; |
5e0074c2 | 968 | |
3baddf24 JA |
969 | err = __file_invalidate_cache(td, f, old_len, |
970 | extend_len); | |
9824f73b JA |
971 | |
972 | /* | |
973 | * Shut up static checker | |
974 | */ | |
975 | if (f->fd != -1) | |
976 | close(f->fd); | |
977 | ||
3baddf24 JA |
978 | f->fd = -1; |
979 | if (err) | |
7bb48f84 JA |
980 | break; |
981 | } | |
982 | temp_stall_ts = 0; | |
983 | } | |
984 | ||
985 | if (err) | |
e90391eb | 986 | goto err_out; |
7bb48f84 | 987 | |
de98bd30 JA |
988 | if (!o->zone_size) |
989 | o->zone_size = o->size; | |
7bb48f84 | 990 | |
ea966f81 JA |
991 | /* |
992 | * iolog already set the total io size, if we read back | |
993 | * stored entries. | |
994 | */ | |
77731b29 | 995 | if (!o->read_iolog_file) { |
5be9bf09 TK |
996 | if (o->io_size) |
997 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
998 | else |
999 | td->total_io_size = o->size * o->loops; | |
1000 | } | |
25460cf6 JA |
1001 | |
1002 | done: | |
de98bd30 | 1003 | if (o->create_only) |
25460cf6 JA |
1004 | td->done = 1; |
1005 | ||
8edd973d | 1006 | td_restore_runstate(td, old_state); |
7bb48f84 | 1007 | return 0; |
bcdedd0a | 1008 | err_offset: |
de98bd30 | 1009 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1010 | err_out: |
8edd973d | 1011 | td_restore_runstate(td, old_state); |
bcdedd0a | 1012 | return 1; |
53cdc686 JA |
1013 | } |
1014 | ||
afad68f7 ZY |
1015 | int pre_read_files(struct thread_data *td) |
1016 | { | |
1017 | struct fio_file *f; | |
1018 | unsigned int i; | |
1019 | ||
1020 | dprint(FD_FILE, "pre_read files\n"); | |
1021 | ||
1022 | for_each_file(td, f, i) { | |
1023 | pre_read_file(td, f); | |
1024 | } | |
1025 | ||
1026 | return 1; | |
1027 | } | |
1028 | ||
9c6f6316 JA |
1029 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1030 | { | |
2316296a | 1031 | unsigned int range_size, seed; |
9c6f6316 | 1032 | unsigned long nranges; |
42da5c8b | 1033 | uint64_t fsize; |
9c6f6316 JA |
1034 | |
1035 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1036 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1037 | |
42da5c8b | 1038 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1039 | |
2316296a | 1040 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1041 | if (!td->o.rand_repeatable) |
1042 | seed = td->rand_seeds[4]; | |
1043 | ||
9c6f6316 | 1044 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1045 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1046 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1047 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1048 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1049 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1050 | |
1051 | return 1; | |
1052 | } | |
1053 | ||
1054 | static int init_rand_distribution(struct thread_data *td) | |
1055 | { | |
1056 | struct fio_file *f; | |
1057 | unsigned int i; | |
1058 | int state; | |
1059 | ||
1060 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1061 | return 0; | |
1062 | ||
8edd973d JA |
1063 | state = td_bump_runstate(td, TD_SETTING_UP); |
1064 | ||
9c6f6316 JA |
1065 | for_each_file(td, f, i) |
1066 | __init_rand_distribution(td, f); | |
8edd973d JA |
1067 | |
1068 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1069 | |
1070 | return 1; | |
1071 | } | |
1072 | ||
75f90d5f JA |
1073 | /* |
1074 | * Check if the number of blocks exceeds the randomness capability of | |
1075 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1076 | * 64-bit capable. | |
1077 | */ | |
1078 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1079 | uint64_t blocks) | |
1080 | { | |
1081 | if (blocks <= FRAND32_MAX) | |
1082 | return 0; | |
1083 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1084 | return 0; | |
1085 | ||
1086 | /* | |
1087 | * If the user hasn't specified a random generator, switch | |
1088 | * to tausworthe64 with informational warning. If the user did | |
1089 | * specify one, just warn. | |
1090 | */ | |
1091 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1092 | f->file_name); | |
1093 | ||
1094 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1095 | log_info("fio: Switching to tausworthe64. Use the " | |
1096 | "random_generator= option to get rid of this " | |
4e795a3e | 1097 | "warning.\n"); |
75f90d5f JA |
1098 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1099 | return 0; | |
1100 | } | |
1101 | ||
1102 | /* | |
1103 | * Just make this information to avoid breaking scripts. | |
1104 | */ | |
1105 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1106 | "tausworthe64.\n"); | |
1107 | return 0; | |
1108 | } | |
1109 | ||
68727076 JA |
1110 | int init_random_map(struct thread_data *td) |
1111 | { | |
51ede0b1 | 1112 | unsigned long long blocks; |
68727076 JA |
1113 | struct fio_file *f; |
1114 | unsigned int i; | |
1115 | ||
9c6f6316 JA |
1116 | if (init_rand_distribution(td)) |
1117 | return 0; | |
3831a843 | 1118 | if (!td_random(td)) |
68727076 JA |
1119 | return 0; |
1120 | ||
1121 | for_each_file(td, f, i) { | |
42da5c8b | 1122 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1123 | |
42da5c8b | 1124 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1125 | |
75f90d5f | 1126 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1127 | return 1; |
37fbd7e9 | 1128 | |
8055e41d | 1129 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1130 | unsigned long seed; |
1131 | ||
1132 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1133 | |
967d1b63 JA |
1134 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1135 | fio_file_set_lfsr(f); | |
8055e41d | 1136 | continue; |
967d1b63 | 1137 | } |
3831a843 | 1138 | } else if (!td->o.norandommap) { |
7ebd796f | 1139 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1140 | if (f->io_axmap) { |
1141 | fio_file_set_axmap(f); | |
8055e41d | 1142 | continue; |
967d1b63 | 1143 | } |
1cad7121 JA |
1144 | } else if (td->o.norandommap) |
1145 | continue; | |
ceadd59e | 1146 | |
2b386d25 | 1147 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1148 | log_err("fio: failed allocating random map. If running" |
1149 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1150 | " option or set 'softrandommap'. Or give" |
1151 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1152 | return 1; |
1153 | } | |
303032ae JA |
1154 | |
1155 | log_info("fio: file %s failed allocating random map. Running " | |
1156 | "job without.\n", f->file_name); | |
68727076 JA |
1157 | } |
1158 | ||
1159 | return 0; | |
1160 | } | |
1161 | ||
53cdc686 JA |
1162 | void close_files(struct thread_data *td) |
1163 | { | |
0ab8db89 | 1164 | struct fio_file *f; |
af52b345 | 1165 | unsigned int i; |
53cdc686 | 1166 | |
2be3eec3 JA |
1167 | for_each_file(td, f, i) { |
1168 | if (fio_file_open(f)) | |
1169 | td_io_close_file(td, f); | |
1170 | } | |
24ffd2c2 JA |
1171 | } |
1172 | ||
1173 | void close_and_free_files(struct thread_data *td) | |
1174 | { | |
1175 | struct fio_file *f; | |
1176 | unsigned int i; | |
1177 | ||
ee56ad50 JA |
1178 | dprint(FD_FILE, "close files\n"); |
1179 | ||
0ab8db89 | 1180 | for_each_file(td, f, i) { |
38ef9c90 CF |
1181 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1182 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1183 | td_io_unlink_file(td, f); | |
1184 | } | |
1185 | ||
22a57ba8 JA |
1186 | if (fio_file_open(f)) |
1187 | td_io_close_file(td, f); | |
1188 | ||
b9fbcf21 | 1189 | remove_file_hash(f); |
b3dc7f07 | 1190 | |
b5f4d8ba JA |
1191 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1192 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1193 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1194 | } |
1195 | ||
f17c4392 | 1196 | sfree(f->file_name); |
fa1da865 | 1197 | f->file_name = NULL; |
967d1b63 JA |
1198 | if (fio_file_axmap(f)) { |
1199 | axmap_free(f->io_axmap); | |
1200 | f->io_axmap = NULL; | |
1201 | } | |
78d99e6a | 1202 | sfree(f); |
53cdc686 | 1203 | } |
b4a6a59a | 1204 | |
2dc1bbeb | 1205 | td->o.filename = NULL; |
cade3ef4 | 1206 | free(td->files); |
d7df1d13 | 1207 | free(td->file_locks); |
9efef3c4 | 1208 | td->files_index = 0; |
b4a6a59a | 1209 | td->files = NULL; |
d7df1d13 | 1210 | td->file_locks = NULL; |
27ddbfa0 | 1211 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1212 | td->o.nr_files = 0; |
53cdc686 | 1213 | } |
af52b345 | 1214 | |
e3bab463 | 1215 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1216 | { |
1217 | struct stat sb; | |
1218 | ||
66159828 JA |
1219 | if (!strcmp(f->file_name, "-")) |
1220 | f->filetype = FIO_TYPE_PIPE; | |
1221 | else | |
1222 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1223 | |
d5b78f5a | 1224 | #ifdef WIN32 |
3892182a BC |
1225 | /* \\.\ is the device namespace in Windows, where every file is |
1226 | * a block device */ | |
1227 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1228 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1229 | #endif |
3892182a | 1230 | |
b30d395e | 1231 | if (!stat(f->file_name, &sb)) { |
3892182a | 1232 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1233 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1234 | else if (S_ISCHR(sb.st_mode)) |
1235 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1236 | else if (S_ISFIFO(sb.st_mode)) |
1237 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1238 | } |
1239 | } | |
1240 | ||
1b2a83dc | 1241 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1242 | { |
90426237 | 1243 | struct flist_head *entry; |
1b2a83dc | 1244 | bool ret; |
bcbfeefa | 1245 | |
1b2a83dc JA |
1246 | ret = file_bloom_exists(fname, set); |
1247 | if (!ret) | |
1248 | return ret; | |
90426237 JA |
1249 | |
1250 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1251 | struct file_name *fn; |
90426237 | 1252 | |
04d6530f JA |
1253 | fn = flist_entry(entry, struct file_name, list); |
1254 | ||
1255 | if (!strcmp(fn->filename, fname)) | |
1256 | return true; | |
90426237 JA |
1257 | } |
1258 | ||
04d6530f | 1259 | return false; |
bcbfeefa CE |
1260 | } |
1261 | ||
04d6530f | 1262 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1263 | { |
04d6530f | 1264 | bool ret; |
bcbfeefa | 1265 | |
90426237 | 1266 | fio_file_hash_lock(); |
1b2a83dc | 1267 | ret = __is_already_allocated(fname, false); |
90426237 | 1268 | fio_file_hash_unlock(); |
04d6530f | 1269 | |
90426237 JA |
1270 | return ret; |
1271 | } | |
bcbfeefa | 1272 | |
90426237 JA |
1273 | static void set_already_allocated(const char *fname) |
1274 | { | |
1275 | struct file_name *fn; | |
1276 | ||
1277 | fn = malloc(sizeof(struct file_name)); | |
1278 | fn->filename = strdup(fname); | |
1279 | ||
1280 | fio_file_hash_lock(); | |
1b2a83dc | 1281 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1282 | flist_add_tail(&fn->list, &filename_list); |
1283 | fn = NULL; | |
bcbfeefa | 1284 | } |
90426237 | 1285 | fio_file_hash_unlock(); |
bcbfeefa | 1286 | |
90426237 JA |
1287 | if (fn) { |
1288 | free(fn->filename); | |
1289 | free(fn); | |
1290 | } | |
bcbfeefa CE |
1291 | } |
1292 | ||
190b8f0c CF |
1293 | static void free_already_allocated(void) |
1294 | { | |
bcbfeefa CE |
1295 | struct flist_head *entry, *tmp; |
1296 | struct file_name *fn; | |
1297 | ||
90426237 JA |
1298 | if (flist_empty(&filename_list)) |
1299 | return; | |
1300 | ||
1301 | fio_file_hash_lock(); | |
1302 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1303 | fn = flist_entry(entry, struct file_name, list); | |
1304 | free(fn->filename); | |
1305 | flist_del(&fn->list); | |
1306 | free(fn); | |
bcbfeefa | 1307 | } |
90426237 JA |
1308 | |
1309 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1310 | } |
1311 | ||
7b5cb700 JA |
1312 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1313 | { | |
1314 | struct fio_file *f; | |
1315 | ||
1316 | f = smalloc(sizeof(*f)); | |
1317 | if (!f) { | |
7b5cb700 JA |
1318 | assert(0); |
1319 | return NULL; | |
1320 | } | |
1321 | ||
1322 | f->fd = -1; | |
1323 | f->shadow_fd = -1; | |
1324 | fio_file_reset(td, f); | |
1325 | return f; | |
1326 | } | |
1327 | ||
04d6530f JA |
1328 | bool exists_and_not_regfile(const char *filename) |
1329 | { | |
1330 | struct stat sb; | |
1331 | ||
1332 | if (lstat(filename, &sb) == -1) | |
1333 | return false; | |
1334 | ||
1335 | #ifndef WIN32 /* NOT Windows */ | |
1336 | if (S_ISREG(sb.st_mode)) | |
1337 | return false; | |
1338 | #else | |
1339 | /* \\.\ is the device namespace in Windows, where every file | |
1340 | * is a device node */ | |
1341 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1342 | return false; | |
1343 | #endif | |
1344 | ||
1345 | return true; | |
1346 | } | |
1347 | ||
5903e7b7 | 1348 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1349 | { |
7b4e4fe5 | 1350 | int cur_files = td->files_index; |
bd0ee748 | 1351 | char file_name[PATH_MAX]; |
af52b345 | 1352 | struct fio_file *f; |
bd0ee748 | 1353 | int len = 0; |
af52b345 | 1354 | |
ee56ad50 JA |
1355 | dprint(FD_FILE, "add file %s\n", fname); |
1356 | ||
bcbfeefa | 1357 | if (td->o.directory) |
922a5be8 JA |
1358 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1359 | td->o.unique_filename); | |
bcbfeefa CE |
1360 | |
1361 | sprintf(file_name + len, "%s", fname); | |
1362 | ||
1363 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1364 | if (numjob && is_already_allocated(file_name) && |
1365 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1366 | return 0; |
1367 | ||
7b5cb700 | 1368 | f = alloc_new_file(td); |
bd0ee748 | 1369 | |
fc99bc0d | 1370 | if (td->files_size <= td->files_index) { |
1983e327 | 1371 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1372 | |
fc99bc0d JA |
1373 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1374 | ||
1375 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1376 | if (td->files == NULL) { |
1377 | log_err("fio: realloc OOM\n"); | |
1378 | assert(0); | |
1379 | } | |
d7df1d13 JA |
1380 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1381 | td->file_locks = realloc(td->file_locks, new_size); | |
1382 | if (!td->file_locks) { | |
1383 | log_err("fio: realloc OOM\n"); | |
1384 | assert(0); | |
1385 | } | |
1386 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1387 | } | |
fc99bc0d JA |
1388 | td->files_size = new_size; |
1389 | } | |
8bb7679e | 1390 | td->files[cur_files] = f; |
89ac1d48 | 1391 | f->fileno = cur_files; |
126d65c6 | 1392 | |
07eb79df JA |
1393 | /* |
1394 | * init function, io engine may not be loaded yet | |
1395 | */ | |
9b87f09b | 1396 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1397 | f->real_file_size = -1ULL; |
1398 | ||
f17c4392 | 1399 | f->file_name = smalloc_strdup(file_name); |
81b3c86f | 1400 | if (!f->file_name) |
c48c0be7 | 1401 | assert(0); |
0b9d69ec | 1402 | |
e3bab463 | 1403 | get_file_type(f); |
af52b345 | 1404 | |
4d4e80f2 JA |
1405 | switch (td->o.file_lock_mode) { |
1406 | case FILE_LOCK_NONE: | |
1407 | break; | |
1408 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1409 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1410 | break; |
1411 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1412 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1413 | break; |
1414 | default: | |
1415 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1416 | assert(0); | |
1417 | } | |
29c1349f | 1418 | |
7b4e4fe5 | 1419 | td->files_index++; |
1549441c JA |
1420 | if (f->filetype == FIO_TYPE_FILE) |
1421 | td->nr_normal_files++; | |
f29b25a3 | 1422 | |
bcbfeefa CE |
1423 | set_already_allocated(file_name); |
1424 | ||
5903e7b7 JA |
1425 | if (inc) |
1426 | td->o.nr_files++; | |
1427 | ||
5ec10eaa JA |
1428 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1429 | cur_files); | |
9efef3c4 | 1430 | |
f29b25a3 | 1431 | return cur_files; |
af52b345 | 1432 | } |
0ad920e7 | 1433 | |
49ffb4a2 JA |
1434 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1435 | { | |
1436 | struct fio_file *f; | |
1437 | unsigned int i; | |
1438 | ||
1439 | for_each_file(td, f, i) { | |
1440 | if (!strcmp(f->file_name, fname)) | |
1441 | return i; | |
1442 | } | |
1443 | ||
5903e7b7 | 1444 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1445 | } |
1446 | ||
0ad920e7 JA |
1447 | void get_file(struct fio_file *f) |
1448 | { | |
8172fe97 | 1449 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1450 | assert(fio_file_open(f)); |
0ad920e7 JA |
1451 | f->references++; |
1452 | } | |
1453 | ||
6977bcd0 | 1454 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1455 | { |
98e1ac4e | 1456 | int f_ret = 0, ret = 0; |
6977bcd0 | 1457 | |
8172fe97 | 1458 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1459 | |
22a57ba8 JA |
1460 | if (!fio_file_open(f)) { |
1461 | assert(f->fd == -1); | |
6977bcd0 | 1462 | return 0; |
22a57ba8 | 1463 | } |
0ad920e7 JA |
1464 | |
1465 | assert(f->references); | |
1466 | if (--f->references) | |
6977bcd0 | 1467 | return 0; |
0ad920e7 | 1468 | |
71b84caa | 1469 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1470 | f_ret = fsync(f->fd); |
71b84caa JA |
1471 | if (f_ret < 0) |
1472 | f_ret = errno; | |
1473 | } | |
ebb1415f | 1474 | |
0ad920e7 | 1475 | if (td->io_ops->close_file) |
6977bcd0 | 1476 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1477 | |
98e1ac4e | 1478 | if (!ret) |
a5fb461f | 1479 | ret = f_ret; |
98e1ac4e | 1480 | |
0ad920e7 | 1481 | td->nr_open_files--; |
d6aed795 | 1482 | fio_file_clear_open(f); |
22a57ba8 | 1483 | assert(f->fd == -1); |
6977bcd0 | 1484 | return ret; |
0ad920e7 | 1485 | } |
bbf6b540 | 1486 | |
4d4e80f2 | 1487 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1488 | { |
4d4e80f2 JA |
1489 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1490 | return; | |
29c1349f | 1491 | |
4d4e80f2 JA |
1492 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1493 | if (ddir == DDIR_READ) | |
d7df1d13 | 1494 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1495 | else |
d7df1d13 | 1496 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1497 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1498 | fio_mutex_down(f->lock); | |
1499 | ||
d7df1d13 | 1500 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1501 | } |
1502 | ||
4d4e80f2 | 1503 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1504 | { |
4d4e80f2 JA |
1505 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1506 | return; | |
4d4e80f2 | 1507 | |
d7df1d13 JA |
1508 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1509 | fio_rwlock_unlock(f->rwlock); | |
1510 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1511 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1512 | |
1513 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1514 | } |
1515 | ||
4d4e80f2 JA |
1516 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1517 | { | |
f2a2803a | 1518 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1519 | return; |
d7df1d13 JA |
1520 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1521 | unlock_file(td, f); | |
4d4e80f2 JA |
1522 | } |
1523 | ||
bbf6b540 JA |
1524 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1525 | { | |
1526 | struct dirent *dir; | |
1527 | int ret = 0; | |
1528 | DIR *D; | |
1529 | ||
1530 | D = opendir(dirname); | |
1531 | if (!D) { | |
0ddb270c JA |
1532 | char buf[FIO_VERROR_SIZE]; |
1533 | ||
98ffb8f3 | 1534 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1535 | td_verror(td, errno, buf); |
bbf6b540 JA |
1536 | return 1; |
1537 | } | |
1538 | ||
1539 | while ((dir = readdir(D)) != NULL) { | |
1540 | char full_path[PATH_MAX]; | |
1541 | struct stat sb; | |
1542 | ||
e85b2b83 JA |
1543 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1544 | continue; | |
96d32d51 | 1545 | |
b9fd788f | 1546 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1547 | |
1548 | if (lstat(full_path, &sb) == -1) { | |
1549 | if (errno != ENOENT) { | |
1550 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1551 | ret = 1; |
1552 | break; | |
bbf6b540 JA |
1553 | } |
1554 | } | |
1555 | ||
1556 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1557 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1558 | continue; |
1559 | } | |
0ddb270c JA |
1560 | if (!S_ISDIR(sb.st_mode)) |
1561 | continue; | |
bbf6b540 | 1562 | |
5ec10eaa JA |
1563 | ret = recurse_dir(td, full_path); |
1564 | if (ret) | |
bbf6b540 JA |
1565 | break; |
1566 | } | |
1567 | ||
1568 | closedir(D); | |
1569 | return ret; | |
1570 | } | |
1571 | ||
1572 | int add_dir_files(struct thread_data *td, const char *path) | |
1573 | { | |
0ddb270c JA |
1574 | int ret = recurse_dir(td, path); |
1575 | ||
1576 | if (!ret) | |
1577 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1578 | ||
1579 | return ret; | |
bbf6b540 | 1580 | } |
cade3ef4 JA |
1581 | |
1582 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1583 | { | |
1584 | struct fio_file *f; | |
1585 | unsigned int i; | |
9efef3c4 JA |
1586 | |
1587 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1588 | |
1589 | if (!org->files) | |
1590 | return; | |
1591 | ||
9efef3c4 | 1592 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1593 | |
d7df1d13 JA |
1594 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1595 | td->file_locks = malloc(org->files_index); | |
1596 | ||
9efef3c4 | 1597 | for_each_file(org, f, i) { |
b0fe421a JA |
1598 | struct fio_file *__f; |
1599 | ||
7b5cb700 | 1600 | __f = alloc_new_file(td); |
0b9d69ec | 1601 | |
bc3456fa | 1602 | if (f->file_name) { |
f17c4392 | 1603 | __f->file_name = smalloc_strdup(f->file_name); |
81b3c86f | 1604 | if (!__f->file_name) |
c48c0be7 | 1605 | assert(0); |
0b9d69ec | 1606 | |
bc3456fa AC |
1607 | __f->filetype = f->filetype; |
1608 | } | |
b0fe421a | 1609 | |
67ad9242 JA |
1610 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1611 | __f->lock = f->lock; | |
1612 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1613 | __f->rwlock = f->rwlock; | |
1614 | ||
b0fe421a | 1615 | td->files[i] = __f; |
cade3ef4 JA |
1616 | } |
1617 | } | |
f29b25a3 JA |
1618 | |
1619 | /* | |
1620 | * Returns the index that matches the filename, or -1 if not there | |
1621 | */ | |
1622 | int get_fileno(struct thread_data *td, const char *fname) | |
1623 | { | |
1624 | struct fio_file *f; | |
1625 | unsigned int i; | |
1626 | ||
1627 | for_each_file(td, f, i) | |
1628 | if (!strcmp(f->file_name, fname)) | |
1629 | return i; | |
1630 | ||
1631 | return -1; | |
1632 | } | |
1633 | ||
1634 | /* | |
1635 | * For log usage, where we add/open/close files automatically | |
1636 | */ | |
1637 | void free_release_files(struct thread_data *td) | |
1638 | { | |
1639 | close_files(td); | |
66ee4002 JA |
1640 | td->o.nr_files = 0; |
1641 | td->o.open_files = 0; | |
f29b25a3 JA |
1642 | td->files_index = 0; |
1643 | td->nr_normal_files = 0; | |
1644 | } | |
33c48814 JA |
1645 | |
1646 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1647 | { | |
f1dfb668 JA |
1648 | int i; |
1649 | ||
1650 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1651 | f->last_pos[i] = f->file_offset; | |
1652 | f->last_start[i] = -1ULL; | |
1653 | } | |
1654 | ||
967d1b63 | 1655 | if (fio_file_axmap(f)) |
33c48814 | 1656 | axmap_reset(f->io_axmap); |
967d1b63 | 1657 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1658 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1659 | } | |
002fe734 | 1660 | |
747b3105 | 1661 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1662 | { |
1663 | struct fio_file *f; | |
1664 | unsigned int i; | |
1665 | ||
1666 | for_each_file(td, f, i) | |
1667 | if (!fio_file_done(f)) | |
747b3105 | 1668 | return false; |
002fe734 | 1669 | |
747b3105 | 1670 | return true; |
002fe734 | 1671 | } |
bcbfeefa CE |
1672 | |
1673 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1674 | void filesetup_mem_free(void) |
1675 | { | |
bcbfeefa CE |
1676 | free_already_allocated(); |
1677 | } |