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) || | |
ffdfabd4 | 55 | (td_write(td) && td->io_ops->flags & 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) { |
bd199f2b | 61 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
38ef9c90 | 62 | if ((td_io_unlink_file(td, f) < 0) && (errno != ENOENT)) { |
7bb48f84 JA |
63 | td_verror(td, errno, "unlink"); |
64 | return 1; | |
65 | } | |
66 | } | |
67 | ||
2378826d JA |
68 | flags = O_WRONLY; |
69 | if (td->o.allow_create) | |
70 | flags |= O_CREAT; | |
507a702f JA |
71 | if (new_layout) |
72 | flags |= O_TRUNC; | |
73 | ||
9c0f3f32 BC |
74 | #ifdef WIN32 |
75 | flags |= _O_BINARY; | |
76 | #endif | |
77 | ||
ee56ad50 | 78 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 79 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 80 | if (f->fd < 0) { |
2378826d JA |
81 | int err = errno; |
82 | ||
83 | if (err == ENOENT && !td->o.allow_create) | |
84 | log_err("fio: file creation disallowed by " | |
85 | "allow_file_create=0\n"); | |
86 | else | |
87 | td_verror(td, err, "open"); | |
53cdc686 JA |
88 | return 1; |
89 | } | |
90 | ||
97ac992c | 91 | #ifdef CONFIG_POSIX_FALLOCATE |
a596f047 EG |
92 | if (!td->o.fill_device) { |
93 | switch (td->o.fallocate_mode) { | |
94 | case FIO_FALLOCATE_NONE: | |
95 | break; | |
96 | case FIO_FALLOCATE_POSIX: | |
97 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
4b91ee8f JA |
98 | f->file_name, |
99 | (unsigned long long) f->real_file_size); | |
a596f047 EG |
100 | |
101 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
102 | if (r > 0) { | |
103 | log_err("fio: posix_fallocate fails: %s\n", | |
104 | strerror(r)); | |
105 | } | |
106 | break; | |
97ac992c | 107 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
108 | case FIO_FALLOCATE_KEEP_SIZE: |
109 | dprint(FD_FILE, | |
110 | "fallocate(FALLOC_FL_KEEP_SIZE) " | |
4b91ee8f JA |
111 | "file %s size %llu\n", f->file_name, |
112 | (unsigned long long) f->real_file_size); | |
7bc8c2cf | 113 | |
a596f047 EG |
114 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, |
115 | f->real_file_size); | |
888677a4 | 116 | if (r != 0) |
a596f047 | 117 | td_verror(td, errno, "fallocate"); |
888677a4 | 118 | |
a596f047 | 119 | break; |
97ac992c | 120 | #endif /* CONFIG_LINUX_FALLOCATE */ |
a596f047 EG |
121 | default: |
122 | log_err("fio: unknown fallocate mode: %d\n", | |
123 | td->o.fallocate_mode); | |
124 | assert(0); | |
7bc8c2cf JA |
125 | } |
126 | } | |
97ac992c | 127 | #endif /* CONFIG_POSIX_FALLOCATE */ |
9b836561 | 128 | |
fc74ac1d SL |
129 | if (!new_layout) |
130 | goto done; | |
131 | ||
5e0074c2 JA |
132 | /* |
133 | * The size will be -1ULL when fill_device is used, so don't truncate | |
134 | * or fallocate this file, just write it | |
135 | */ | |
136 | if (!td->o.fill_device) { | |
137 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 138 | (unsigned long long) f->real_file_size); |
5e0074c2 | 139 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
140 | if (errno != EFBIG) { |
141 | td_verror(td, errno, "ftruncate"); | |
142 | goto err; | |
143 | } | |
5e0074c2 | 144 | } |
5e0074c2 | 145 | } |
40f8298c | 146 | |
2dc1bbeb | 147 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
53cdc686 | 148 | |
7bb48f84 | 149 | left = f->real_file_size; |
53cdc686 | 150 | while (left && !td->terminate) { |
2dc1bbeb | 151 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
152 | if (bs > left) |
153 | bs = left; | |
154 | ||
cc86c395 JA |
155 | fill_io_buffer(td, b, bs, bs); |
156 | ||
53cdc686 JA |
157 | r = write(f->fd, b, bs); |
158 | ||
5e0074c2 JA |
159 | if (r > 0) { |
160 | left -= r; | |
53cdc686 JA |
161 | continue; |
162 | } else { | |
5e0074c2 JA |
163 | if (r < 0) { |
164 | int __e = errno; | |
165 | ||
166 | if (__e == ENOSPC) { | |
167 | if (td->o.fill_device) | |
168 | break; | |
169 | log_info("fio: ENOSPC on laying out " | |
170 | "file, stopping\n"); | |
171 | break; | |
172 | } | |
e1161c32 | 173 | td_verror(td, errno, "write"); |
5e0074c2 | 174 | } else |
e1161c32 | 175 | td_verror(td, EIO, "write"); |
53cdc686 JA |
176 | |
177 | break; | |
178 | } | |
179 | } | |
180 | ||
ffdfabd4 JA |
181 | if (td->terminate) { |
182 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 183 | td_io_unlink_file(td, f); |
ffdfabd4 | 184 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
185 | if (fsync(f->fd) < 0) { |
186 | td_verror(td, errno, "fsync"); | |
187 | goto err; | |
188 | } | |
189 | } | |
0d1cd207 | 190 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 191 | fio_file_clear_size_known(f); |
5e0074c2 JA |
192 | if (td_io_get_file_size(td, f)) |
193 | goto err; | |
194 | if (f->io_size > f->real_file_size) | |
195 | f->io_size = f->real_file_size; | |
196 | } | |
53cdc686 JA |
197 | |
198 | free(b); | |
507a702f | 199 | done: |
53cdc686 JA |
200 | return 0; |
201 | err: | |
202 | close(f->fd); | |
203 | f->fd = -1; | |
f3e1eb23 JA |
204 | if (b) |
205 | free(b); | |
53cdc686 JA |
206 | return 1; |
207 | } | |
208 | ||
afad68f7 ZY |
209 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
210 | { | |
ef799a64 | 211 | int ret = 0, r, did_open = 0, old_runstate; |
afad68f7 ZY |
212 | unsigned long long left; |
213 | unsigned int bs; | |
214 | char *b; | |
215 | ||
9c0d2241 JA |
216 | if (td->io_ops->flags & FIO_PIPEIO) |
217 | return 0; | |
218 | ||
d6aed795 | 219 | if (!fio_file_open(f)) { |
b0f65863 JA |
220 | if (td->io_ops->open_file(td, f)) { |
221 | log_err("fio: cannot pre-read, failed to open file\n"); | |
222 | return 1; | |
223 | } | |
224 | did_open = 1; | |
225 | } | |
226 | ||
8edd973d | 227 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 228 | |
afad68f7 ZY |
229 | bs = td->o.max_bs[DDIR_READ]; |
230 | b = malloc(bs); | |
231 | memset(b, 0, bs); | |
232 | ||
ef799a64 JA |
233 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
234 | td_verror(td, errno, "lseek"); | |
235 | log_err("fio: failed to lseek pre-read file\n"); | |
236 | ret = 1; | |
237 | goto error; | |
238 | } | |
239 | ||
afad68f7 ZY |
240 | left = f->io_size; |
241 | ||
242 | while (left && !td->terminate) { | |
243 | if (bs > left) | |
244 | bs = left; | |
245 | ||
246 | r = read(f->fd, b, bs); | |
247 | ||
248 | if (r == (int) bs) { | |
249 | left -= bs; | |
250 | continue; | |
251 | } else { | |
252 | td_verror(td, EIO, "pre_read"); | |
253 | break; | |
254 | } | |
255 | } | |
256 | ||
ef799a64 | 257 | error: |
8edd973d | 258 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
259 | |
260 | if (did_open) | |
261 | td->io_ops->close_file(td, f); | |
ef799a64 | 262 | |
afad68f7 | 263 | free(b); |
ef799a64 | 264 | return ret; |
afad68f7 ZY |
265 | } |
266 | ||
a3f001f5 | 267 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 268 | { |
dc873b6f | 269 | unsigned long long ret, sized; |
c3546b53 | 270 | uint64_t frand_max; |
1294c3ec | 271 | unsigned long r; |
9c60ce64 | 272 | |
c3546b53 | 273 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 274 | r = __rand(&td->file_size_state); |
54a21917 | 275 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 276 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 277 | ret += td->o.file_size_low; |
2dc1bbeb | 278 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
279 | return ret; |
280 | } | |
281 | ||
53cdc686 JA |
282 | static int file_size(struct thread_data *td, struct fio_file *f) |
283 | { | |
284 | struct stat st; | |
285 | ||
df9c26b1 | 286 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
287 | td_verror(td, errno, "fstat"); |
288 | return 1; | |
289 | } | |
53cdc686 | 290 | |
7bb48f84 | 291 | f->real_file_size = st.st_size; |
53cdc686 JA |
292 | return 0; |
293 | } | |
294 | ||
295 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
296 | { | |
9b836561 | 297 | unsigned long long bytes = 0; |
53cdc686 JA |
298 | int r; |
299 | ||
df9c26b1 JA |
300 | if (td->io_ops->open_file(td, f)) { |
301 | log_err("fio: failed opening blockdev %s for size check\n", | |
302 | f->file_name); | |
303 | return 1; | |
304 | } | |
305 | ||
ecc314ba | 306 | r = blockdev_size(f, &bytes); |
53cdc686 | 307 | if (r) { |
e1161c32 | 308 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 309 | goto err; |
53cdc686 JA |
310 | } |
311 | ||
7ab077ab JA |
312 | if (!bytes) { |
313 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 314 | goto err; |
7ab077ab JA |
315 | } |
316 | ||
53cdc686 | 317 | f->real_file_size = bytes; |
22a57ba8 | 318 | td->io_ops->close_file(td, f); |
53cdc686 | 319 | return 0; |
df9c26b1 JA |
320 | err: |
321 | td->io_ops->close_file(td, f); | |
322 | return 1; | |
53cdc686 JA |
323 | } |
324 | ||
4ccdccd1 JA |
325 | static int char_size(struct thread_data *td, struct fio_file *f) |
326 | { | |
327 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 328 | unsigned long long bytes = 0; |
4ccdccd1 JA |
329 | int r; |
330 | ||
331 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 332 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
333 | f->file_name); |
334 | return 1; | |
335 | } | |
336 | ||
ecc314ba | 337 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
338 | if (r) { |
339 | td_verror(td, r, "chardev_size"); | |
340 | goto err; | |
341 | } | |
342 | ||
343 | if (!bytes) { | |
344 | log_err("%s: zero sized char device?\n", f->file_name); | |
345 | goto err; | |
346 | } | |
347 | ||
348 | f->real_file_size = bytes; | |
349 | td->io_ops->close_file(td, f); | |
350 | return 0; | |
351 | err: | |
352 | td->io_ops->close_file(td, f); | |
353 | return 1; | |
354 | #else | |
355 | f->real_file_size = -1ULL; | |
356 | return 0; | |
357 | #endif | |
358 | } | |
359 | ||
53cdc686 JA |
360 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
361 | { | |
362 | int ret = 0; | |
363 | ||
d6aed795 | 364 | if (fio_file_size_known(f)) |
409b3417 JA |
365 | return 0; |
366 | ||
7bb48f84 JA |
367 | if (f->filetype == FIO_TYPE_FILE) |
368 | ret = file_size(td, f); | |
369 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 | 370 | ret = bdev_size(td, f); |
4ccdccd1 JA |
371 | else if (f->filetype == FIO_TYPE_CHAR) |
372 | ret = char_size(td, f); | |
53cdc686 JA |
373 | else |
374 | f->real_file_size = -1; | |
375 | ||
376 | if (ret) | |
377 | return ret; | |
378 | ||
379 | if (f->file_offset > f->real_file_size) { | |
0f2152c1 | 380 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
381 | (unsigned long long) f->file_offset, |
382 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
383 | return 1; |
384 | } | |
385 | ||
d6aed795 | 386 | fio_file_set_size_known(f); |
53cdc686 JA |
387 | return 0; |
388 | } | |
389 | ||
3baddf24 JA |
390 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
391 | unsigned long long off, | |
392 | unsigned long long len) | |
e5b401d4 | 393 | { |
942a851a | 394 | int errval = 0, ret = 0; |
e5b401d4 | 395 | |
c8931876 JA |
396 | #ifdef CONFIG_ESX |
397 | return 0; | |
398 | #endif | |
399 | ||
5e0074c2 | 400 | if (len == -1ULL) |
3baddf24 JA |
401 | len = f->io_size; |
402 | if (off == -1ULL) | |
403 | off = f->file_offset; | |
ee56ad50 | 404 | |
0d1cd207 JA |
405 | if (len == -1ULL || off == -1ULL) |
406 | return 0; | |
407 | ||
3baddf24 JA |
408 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
409 | len); | |
b5af8293 | 410 | |
942a851a | 411 | if (td->io_ops->invalidate) { |
d9b100fc | 412 | ret = td->io_ops->invalidate(td, f); |
942a851a JA |
413 | if (ret < 0) |
414 | errval = ret; | |
415 | } else if (f->filetype == FIO_TYPE_FILE) { | |
ecc314ba | 416 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 417 | if (ret) |
942a851a JA |
418 | errval = ret; |
419 | } else if (f->filetype == FIO_TYPE_BD) { | |
2b9f9141 KR |
420 | int retry_count = 0; |
421 | ||
ecc314ba | 422 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
423 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
424 | /* | |
425 | * Linux multipath devices reject ioctl while | |
426 | * the maps are being updated. That window can | |
427 | * last tens of milliseconds; we'll try up to | |
428 | * a quarter of a second. | |
429 | */ | |
430 | usleep(10000); | |
431 | ret = blockdev_invalidate_cache(f); | |
432 | } | |
7e0e25c9 | 433 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 434 | if (!root_warn) { |
5ec10eaa JA |
435 | log_err("fio: only root may flush block " |
436 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
437 | root_warn = 1; |
438 | } | |
7e0e25c9 JA |
439 | ret = 0; |
440 | } | |
942a851a JA |
441 | if (ret < 0) |
442 | errval = errno; | |
b5605e9d | 443 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
444 | ret = 0; |
445 | ||
dfe11fd1 JA |
446 | /* |
447 | * Cache flushing isn't a fatal condition, and we know it will | |
448 | * happen on some platforms where we don't have the proper | |
449 | * function to flush eg block device caches. So just warn and | |
450 | * continue on our way. | |
451 | */ | |
942a851a JA |
452 | if (errval) |
453 | log_info("fio: cache invalidation of %s failed: %s\n", f->file_name, strerror(errval)); | |
e5b401d4 | 454 | |
dfe11fd1 | 455 | return 0; |
3baddf24 JA |
456 | |
457 | } | |
458 | ||
459 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
460 | { | |
d6aed795 | 461 | if (!fio_file_open(f)) |
a5fb461f JA |
462 | return 0; |
463 | ||
5e0074c2 | 464 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
465 | } |
466 | ||
6977bcd0 | 467 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 468 | { |
6977bcd0 JA |
469 | int ret = 0; |
470 | ||
ee56ad50 | 471 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
472 | |
473 | remove_file_hash(f); | |
474 | ||
6977bcd0 JA |
475 | if (close(f->fd) < 0) |
476 | ret = errno; | |
477 | ||
b5af8293 | 478 | f->fd = -1; |
e6c4d732 JA |
479 | |
480 | if (f->shadow_fd != -1) { | |
481 | close(f->shadow_fd); | |
482 | f->shadow_fd = -1; | |
483 | } | |
484 | ||
57e54e08 | 485 | f->engine_data = 0; |
6977bcd0 | 486 | return ret; |
53cdc686 JA |
487 | } |
488 | ||
1ccc6dc7 | 489 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 490 | { |
29c1349f | 491 | struct fio_file *__f; |
4d4e80f2 JA |
492 | int from_hash; |
493 | ||
494 | __f = lookup_file_hash(f->file_name); | |
495 | if (__f) { | |
9efef3c4 | 496 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
497 | /* |
498 | * racy, need the __f->lock locked | |
499 | */ | |
500 | f->lock = __f->lock; | |
4d4e80f2 JA |
501 | from_hash = 1; |
502 | } else { | |
9efef3c4 | 503 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
504 | from_hash = 0; |
505 | } | |
506 | ||
9c0f3f32 BC |
507 | #ifdef WIN32 |
508 | flags |= _O_BINARY; | |
509 | #endif | |
510 | ||
e8670ef8 | 511 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
512 | return from_hash; |
513 | } | |
514 | ||
e6c4d732 JA |
515 | static int file_close_shadow_fds(struct thread_data *td) |
516 | { | |
517 | struct fio_file *f; | |
518 | int num_closed = 0; | |
519 | unsigned int i; | |
520 | ||
521 | for_each_file(td, f, i) { | |
522 | if (f->shadow_fd == -1) | |
523 | continue; | |
524 | ||
525 | close(f->shadow_fd); | |
526 | f->shadow_fd = -1; | |
527 | num_closed++; | |
528 | } | |
529 | ||
530 | return num_closed; | |
531 | } | |
532 | ||
4d4e80f2 JA |
533 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
534 | { | |
66159828 | 535 | int is_std = 0; |
53cdc686 | 536 | int flags = 0; |
29c1349f | 537 | int from_hash = 0; |
53cdc686 | 538 | |
ee56ad50 JA |
539 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
540 | ||
66159828 JA |
541 | if (!strcmp(f->file_name, "-")) { |
542 | if (td_rw(td)) { | |
543 | log_err("fio: can't read/write to stdin/out\n"); | |
544 | return 1; | |
545 | } | |
546 | is_std = 1; | |
ce98fa66 JA |
547 | |
548 | /* | |
549 | * move output logging to stderr, if we are writing to stdout | |
550 | */ | |
551 | if (td_write(td)) | |
552 | f_out = stderr; | |
66159828 JA |
553 | } |
554 | ||
6eaf09d6 SL |
555 | if (td_trim(td)) |
556 | goto skip_flags; | |
2dc1bbeb | 557 | if (td->o.odirect) |
2fd233b7 | 558 | flags |= OS_O_DIRECT; |
d01612f3 CM |
559 | if (td->o.oatomic) { |
560 | if (!FIO_O_ATOMIC) { | |
561 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
562 | return 1; | |
563 | } | |
564 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
565 | } | |
2dc1bbeb | 566 | if (td->o.sync_io) |
2fd233b7 | 567 | flags |= O_SYNC; |
2378826d | 568 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 569 | flags |= O_CREAT; |
6eaf09d6 SL |
570 | skip_flags: |
571 | if (f->filetype != FIO_TYPE_FILE) | |
572 | flags |= FIO_O_NOATIME; | |
53cdc686 | 573 | |
056f3459 | 574 | open_again: |
660a1cb5 | 575 | if (td_write(td)) { |
17308158 JA |
576 | if (!read_only) |
577 | flags |= O_RDWR; | |
53cdc686 | 578 | |
2378826d | 579 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 580 | flags |= O_CREAT; |
2fd233b7 | 581 | |
66159828 JA |
582 | if (is_std) |
583 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
584 | else |
585 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 586 | } else if (td_read(td)) { |
4241ea8f | 587 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
588 | flags |= O_RDWR; |
589 | else | |
590 | flags |= O_RDONLY; | |
591 | ||
66159828 JA |
592 | if (is_std) |
593 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
594 | else |
595 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 SL |
596 | } else { //td trim |
597 | flags |= O_RDWR; | |
598 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
599 | } |
600 | ||
601 | if (f->fd == -1) { | |
e4e33258 | 602 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
603 | int __e = errno; |
604 | ||
835d9b9e | 605 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 606 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
607 | goto open_again; |
608 | } | |
e6c4d732 JA |
609 | if (__e == EMFILE && file_close_shadow_fds(td)) |
610 | goto open_again; | |
056f3459 | 611 | |
98ffb8f3 | 612 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 613 | |
a93c5f04 JA |
614 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
615 | log_err("fio: looks like your file system does not " \ | |
616 | "support direct=1/buffered=0\n"); | |
617 | } | |
618 | ||
e4e33258 | 619 | td_verror(td, __e, buf); |
3ce3ad33 | 620 | return 1; |
53cdc686 JA |
621 | } |
622 | ||
29c1349f JA |
623 | if (!from_hash && f->fd != -1) { |
624 | if (add_file_hash(f)) { | |
3f0ca9b9 | 625 | int fio_unused ret; |
29c1349f JA |
626 | |
627 | /* | |
e6c4d732 JA |
628 | * Stash away descriptor for later close. This is to |
629 | * work-around a "feature" on Linux, where a close of | |
630 | * an fd that has been opened for write will trigger | |
631 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 632 | * That pollutes the device cache, which can slow down |
e6c4d732 | 633 | * unbuffered accesses. |
29c1349f | 634 | */ |
e6c4d732 JA |
635 | if (f->shadow_fd == -1) |
636 | f->shadow_fd = f->fd; | |
637 | else { | |
638 | /* | |
639 | * OK to ignore, we haven't done anything | |
640 | * with it | |
641 | */ | |
642 | ret = generic_close_file(td, f); | |
643 | } | |
29c1349f JA |
644 | goto open_again; |
645 | } | |
646 | } | |
4906e0b5 | 647 | |
53cdc686 | 648 | return 0; |
b5af8293 JA |
649 | } |
650 | ||
df9c26b1 | 651 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 652 | { |
df9c26b1 | 653 | return get_file_size(td, f); |
21972cde JA |
654 | } |
655 | ||
7bb48f84 JA |
656 | /* |
657 | * open/close all files, so that ->real_file_size gets set | |
658 | */ | |
bab3fd58 | 659 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
660 | { |
661 | struct fio_file *f; | |
662 | unsigned int i; | |
bab3fd58 | 663 | int err = 0; |
7bb48f84 JA |
664 | |
665 | for_each_file(td, f, i) { | |
5ec10eaa JA |
666 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
667 | f->file_name); | |
9efef3c4 | 668 | |
99a47c69 | 669 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
670 | if (td->error != ENOENT) { |
671 | log_err("%s\n", td->verror); | |
672 | err = 1; | |
3ce3ad33 | 673 | break; |
40b44f4a | 674 | } |
541d66d7 | 675 | clear_error(td); |
07eb79df | 676 | } |
409b3417 JA |
677 | |
678 | if (f->real_file_size == -1ULL && td->o.size) | |
679 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 680 | } |
bab3fd58 JA |
681 | |
682 | return err; | |
7bb48f84 JA |
683 | } |
684 | ||
2e3bd4c2 JA |
685 | struct fio_mount { |
686 | struct flist_head list; | |
687 | const char *base; | |
688 | char __base[256]; | |
689 | unsigned int key; | |
690 | }; | |
691 | ||
692 | /* | |
693 | * Get free number of bytes for each file on each unique mount. | |
694 | */ | |
695 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
696 | { | |
697 | struct flist_head *n, *tmp; | |
68b0316f | 698 | unsigned long long ret = 0; |
2e3bd4c2 JA |
699 | struct fio_mount *fm; |
700 | FLIST_HEAD(list); | |
701 | struct fio_file *f; | |
702 | unsigned int i; | |
703 | ||
704 | for_each_file(td, f, i) { | |
705 | struct stat sb; | |
706 | char buf[256]; | |
707 | ||
4ccdccd1 JA |
708 | if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) { |
709 | if (f->real_file_size != -1ULL) | |
710 | ret += f->real_file_size; | |
68b0316f JA |
711 | continue; |
712 | } else if (f->filetype != FIO_TYPE_FILE) | |
713 | continue; | |
714 | ||
da27a4bf JA |
715 | buf[255] = '\0'; |
716 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
717 | |
718 | if (stat(buf, &sb) < 0) { | |
719 | if (errno != ENOENT) | |
720 | break; | |
721 | strcpy(buf, "."); | |
722 | if (stat(buf, &sb) < 0) | |
723 | break; | |
724 | } | |
725 | ||
726 | fm = NULL; | |
727 | flist_for_each(n, &list) { | |
728 | fm = flist_entry(n, struct fio_mount, list); | |
729 | if (fm->key == sb.st_dev) | |
730 | break; | |
731 | ||
732 | fm = NULL; | |
733 | } | |
734 | ||
735 | if (fm) | |
736 | continue; | |
737 | ||
3660ceae JA |
738 | fm = calloc(1, sizeof(*fm)); |
739 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
740 | fm->base = basename(fm->__base); |
741 | fm->key = sb.st_dev; | |
742 | flist_add(&fm->list, &list); | |
743 | } | |
744 | ||
2e3bd4c2 JA |
745 | flist_for_each_safe(n, tmp, &list) { |
746 | unsigned long long sz; | |
747 | ||
748 | fm = flist_entry(n, struct fio_mount, list); | |
749 | flist_del(&fm->list); | |
750 | ||
c08ad04c | 751 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
752 | if (sz && sz != -1ULL) |
753 | ret += sz; | |
754 | ||
755 | free(fm); | |
756 | } | |
757 | ||
758 | return ret; | |
759 | } | |
760 | ||
bedc9dc2 | 761 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 762 | { |
bedc9dc2 | 763 | struct thread_options *o = &td->o; |
c465cd14 | 764 | uint64_t offset; |
bedc9dc2 JA |
765 | |
766 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
767 | return f->real_file_size; | |
768 | ||
c465cd14 JA |
769 | offset = td->o.start_offset + td->subjob_number * td->o.offset_increment; |
770 | if (offset % td_max_bs(td)) | |
771 | offset -= (offset % td_max_bs(td)); | |
772 | ||
773 | return offset; | |
ce95d651 DE |
774 | } |
775 | ||
7bb48f84 JA |
776 | /* |
777 | * Open the files and setup files sizes, creating files if necessary. | |
778 | */ | |
53cdc686 JA |
779 | int setup_files(struct thread_data *td) |
780 | { | |
7bb48f84 | 781 | unsigned long long total_size, extend_size; |
de98bd30 | 782 | struct thread_options *o = &td->o; |
53cdc686 | 783 | struct fio_file *f; |
002fe734 | 784 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 785 | int err = 0, need_extend; |
e90391eb | 786 | int old_state; |
002fe734 JA |
787 | const unsigned int bs = td_min_bs(td); |
788 | uint64_t fs = 0; | |
53cdc686 | 789 | |
ee56ad50 JA |
790 | dprint(FD_FILE, "setup files\n"); |
791 | ||
8edd973d | 792 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 793 | |
de98bd30 | 794 | if (o->read_iolog_file) |
25460cf6 | 795 | goto done; |
691c8fb0 | 796 | |
53cdc686 JA |
797 | /* |
798 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
799 | * opening the files and setting f->real_file_size to indicate |
800 | * the valid range for that file. | |
53cdc686 JA |
801 | */ |
802 | if (td->io_ops->setup) | |
7bb48f84 JA |
803 | err = td->io_ops->setup(td); |
804 | else | |
bab3fd58 | 805 | err = get_file_sizes(td); |
53cdc686 | 806 | |
f1027063 | 807 | if (err) |
e90391eb | 808 | goto err_out; |
f1027063 | 809 | |
0a7eb121 | 810 | /* |
7bb48f84 JA |
811 | * check sizes. if the files/devices do not exist and the size |
812 | * isn't passed to fio, abort. | |
0a7eb121 | 813 | */ |
7bb48f84 JA |
814 | total_size = 0; |
815 | for_each_file(td, f, i) { | |
49a416bd | 816 | f->fileno = i; |
7bb48f84 JA |
817 | if (f->real_file_size == -1ULL) |
818 | total_size = -1ULL; | |
819 | else | |
820 | total_size += f->real_file_size; | |
821 | } | |
0a7eb121 | 822 | |
de98bd30 | 823 | if (o->fill_device) |
2e3bd4c2 JA |
824 | td->fill_device_size = get_fs_free_counts(td); |
825 | ||
7bb48f84 JA |
826 | /* |
827 | * device/file sizes are zero and no size given, punt | |
828 | */ | |
de98bd30 JA |
829 | if ((!total_size || total_size == -1ULL) && !o->size && |
830 | !(td->io_ops->flags & FIO_NOIO) && !o->fill_device && | |
831 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { | |
832 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 833 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 834 | goto err_out; |
53cdc686 JA |
835 | } |
836 | ||
002fe734 JA |
837 | /* |
838 | * Calculate per-file size and potential extra size for the | |
839 | * first files, if needed. | |
840 | */ | |
d1e78e6b | 841 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
842 | uint64_t all_fs; |
843 | ||
844 | fs = o->size / o->nr_files; | |
845 | all_fs = fs * o->nr_files; | |
846 | ||
847 | if (all_fs < o->size) | |
848 | nr_fs_extra = (o->size - all_fs) / bs; | |
849 | } | |
850 | ||
7bb48f84 JA |
851 | /* |
852 | * now file sizes are known, so we can set ->io_size. if size= is | |
853 | * not given, ->io_size is just equal to ->real_file_size. if size | |
854 | * is given, ->io_size is size / nr_files. | |
855 | */ | |
856 | extend_size = total_size = 0; | |
857 | need_extend = 0; | |
858 | for_each_file(td, f, i) { | |
bedc9dc2 | 859 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 860 | |
de98bd30 | 861 | if (!o->file_size_low) { |
7bb48f84 JA |
862 | /* |
863 | * no file size range given, file size is equal to | |
002fe734 JA |
864 | * total size divided by number of files. If that is |
865 | * zero, set it to the real file size. If the size | |
866 | * doesn't divide nicely with the min blocksize, | |
867 | * make the first files bigger. | |
7bb48f84 | 868 | */ |
002fe734 JA |
869 | f->io_size = fs; |
870 | if (nr_fs_extra) { | |
871 | nr_fs_extra--; | |
872 | f->io_size += bs; | |
873 | } | |
874 | ||
65bdb10a | 875 | if (!f->io_size) |
273f8c91 | 876 | f->io_size = f->real_file_size - f->file_offset; |
de98bd30 JA |
877 | } else if (f->real_file_size < o->file_size_low || |
878 | f->real_file_size > o->file_size_high) { | |
879 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 880 | goto err_offset; |
7bb48f84 JA |
881 | /* |
882 | * file size given. if it's fixed, use that. if it's a | |
883 | * range, generate a random size in-between. | |
884 | */ | |
de98bd30 JA |
885 | if (o->file_size_low == o->file_size_high) |
886 | f->io_size = o->file_size_low - f->file_offset; | |
887 | else { | |
5ec10eaa JA |
888 | f->io_size = get_rand_file_size(td) |
889 | - f->file_offset; | |
890 | } | |
65bdb10a | 891 | } else |
bcdedd0a | 892 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 893 | |
7bb48f84 JA |
894 | if (f->io_size == -1ULL) |
895 | total_size = -1ULL; | |
4d002569 | 896 | else { |
e391c704 JA |
897 | if (o->size_percent) { |
898 | f->io_size = (f->io_size * o->size_percent) / 100; | |
899 | f->io_size -= (f->io_size % td_min_bs(td)); | |
900 | } | |
7bb48f84 | 901 | total_size += f->io_size; |
4d002569 | 902 | } |
7bb48f84 JA |
903 | |
904 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 905 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 | 906 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
de98bd30 | 907 | if (!o->create_on_open) { |
814452bd JA |
908 | need_extend++; |
909 | extend_size += (f->io_size + f->file_offset); | |
910 | } else | |
911 | f->real_file_size = f->io_size + f->file_offset; | |
d6aed795 | 912 | fio_file_set_extend(f); |
5ec10eaa | 913 | } |
7bb48f84 | 914 | } |
53cdc686 | 915 | |
66347cfa DE |
916 | if (td->o.block_error_hist) { |
917 | int len; | |
918 | ||
919 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
920 | f = td->files[0]; | |
921 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
922 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
923 | log_err("fio: cannot calculate block histogram with " | |
924 | "%d trim blocks, maximum %d\n", | |
925 | len, MAX_NR_BLOCK_INFOS); | |
926 | td_verror(td, EINVAL, "block_error_hist"); | |
927 | goto err_out; | |
928 | } | |
929 | ||
930 | td->ts.nr_block_infos = len; | |
8a68c41c | 931 | for (i = 0; i < len; i++) |
66347cfa DE |
932 | td->ts.block_infos[i] = |
933 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
934 | } else | |
935 | td->ts.nr_block_infos = 0; | |
936 | ||
0bc27b0b | 937 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 938 | o->size = total_size; |
21972cde | 939 | |
d1faa06d JA |
940 | if (o->size < td_min_bs(td)) { |
941 | log_err("fio: blocksize too large for data set\n"); | |
942 | goto err_out; | |
943 | } | |
944 | ||
7bb48f84 JA |
945 | /* |
946 | * See if we need to extend some files | |
947 | */ | |
948 | if (need_extend) { | |
949 | temp_stall_ts = 1; | |
129fb2d4 | 950 | if (output_format & FIO_OUTPUT_NORMAL) |
a7ba8c5f | 951 | log_info("%s: Laying out IO file(s) (%u file(s) /" |
de98bd30 | 952 | " %lluMB)\n", o->name, need_extend, |
a7ba8c5f | 953 | extend_size >> 20); |
7bb48f84 JA |
954 | |
955 | for_each_file(td, f, i) { | |
5e0074c2 | 956 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 957 | |
d6aed795 | 958 | if (!fio_file_extend(f)) |
7bb48f84 JA |
959 | continue; |
960 | ||
409b3417 | 961 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 962 | fio_file_clear_extend(f); |
de98bd30 | 963 | if (!o->fill_device) { |
5e0074c2 | 964 | old_len = f->real_file_size; |
0b9d69ec JA |
965 | extend_len = f->io_size + f->file_offset - |
966 | old_len; | |
5e0074c2 | 967 | } |
bcdedd0a | 968 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
969 | err = extend_file(td, f); |
970 | if (err) | |
3baddf24 | 971 | break; |
5e0074c2 | 972 | |
3baddf24 JA |
973 | err = __file_invalidate_cache(td, f, old_len, |
974 | extend_len); | |
9824f73b JA |
975 | |
976 | /* | |
977 | * Shut up static checker | |
978 | */ | |
979 | if (f->fd != -1) | |
980 | close(f->fd); | |
981 | ||
3baddf24 JA |
982 | f->fd = -1; |
983 | if (err) | |
7bb48f84 JA |
984 | break; |
985 | } | |
986 | temp_stall_ts = 0; | |
987 | } | |
988 | ||
989 | if (err) | |
e90391eb | 990 | goto err_out; |
7bb48f84 | 991 | |
de98bd30 JA |
992 | if (!o->zone_size) |
993 | o->zone_size = o->size; | |
7bb48f84 | 994 | |
ea966f81 JA |
995 | /* |
996 | * iolog already set the total io size, if we read back | |
997 | * stored entries. | |
998 | */ | |
77731b29 JA |
999 | if (!o->read_iolog_file) { |
1000 | if (o->io_limit) | |
1001 | td->total_io_size = o->io_limit * o->loops; | |
1002 | else | |
1003 | td->total_io_size = o->size * o->loops; | |
1004 | } | |
25460cf6 JA |
1005 | |
1006 | done: | |
de98bd30 | 1007 | if (o->create_only) |
25460cf6 JA |
1008 | td->done = 1; |
1009 | ||
8edd973d | 1010 | td_restore_runstate(td, old_state); |
7bb48f84 | 1011 | return 0; |
bcdedd0a | 1012 | err_offset: |
de98bd30 | 1013 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1014 | err_out: |
8edd973d | 1015 | td_restore_runstate(td, old_state); |
bcdedd0a | 1016 | return 1; |
53cdc686 JA |
1017 | } |
1018 | ||
afad68f7 ZY |
1019 | int pre_read_files(struct thread_data *td) |
1020 | { | |
1021 | struct fio_file *f; | |
1022 | unsigned int i; | |
1023 | ||
1024 | dprint(FD_FILE, "pre_read files\n"); | |
1025 | ||
1026 | for_each_file(td, f, i) { | |
1027 | pre_read_file(td, f); | |
1028 | } | |
1029 | ||
1030 | return 1; | |
1031 | } | |
1032 | ||
9c6f6316 JA |
1033 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1034 | { | |
2316296a | 1035 | unsigned int range_size, seed; |
9c6f6316 | 1036 | unsigned long nranges; |
42da5c8b | 1037 | uint64_t fsize; |
9c6f6316 JA |
1038 | |
1039 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1040 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1041 | |
42da5c8b | 1042 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1043 | |
2316296a | 1044 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1045 | if (!td->o.rand_repeatable) |
1046 | seed = td->rand_seeds[4]; | |
1047 | ||
9c6f6316 | 1048 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1049 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1050 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1051 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1052 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1053 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1054 | |
1055 | return 1; | |
1056 | } | |
1057 | ||
1058 | static int init_rand_distribution(struct thread_data *td) | |
1059 | { | |
1060 | struct fio_file *f; | |
1061 | unsigned int i; | |
1062 | int state; | |
1063 | ||
1064 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1065 | return 0; | |
1066 | ||
8edd973d JA |
1067 | state = td_bump_runstate(td, TD_SETTING_UP); |
1068 | ||
9c6f6316 JA |
1069 | for_each_file(td, f, i) |
1070 | __init_rand_distribution(td, f); | |
8edd973d JA |
1071 | |
1072 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1073 | |
1074 | return 1; | |
1075 | } | |
1076 | ||
75f90d5f JA |
1077 | /* |
1078 | * Check if the number of blocks exceeds the randomness capability of | |
1079 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1080 | * 64-bit capable. | |
1081 | */ | |
1082 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1083 | uint64_t blocks) | |
1084 | { | |
1085 | if (blocks <= FRAND32_MAX) | |
1086 | return 0; | |
1087 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1088 | return 0; | |
1089 | ||
1090 | /* | |
1091 | * If the user hasn't specified a random generator, switch | |
1092 | * to tausworthe64 with informational warning. If the user did | |
1093 | * specify one, just warn. | |
1094 | */ | |
1095 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1096 | f->file_name); | |
1097 | ||
1098 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1099 | log_info("fio: Switching to tausworthe64. Use the " | |
1100 | "random_generator= option to get rid of this " | |
1101 | " warning.\n"); | |
1102 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; | |
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | /* | |
1107 | * Just make this information to avoid breaking scripts. | |
1108 | */ | |
1109 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1110 | "tausworthe64.\n"); | |
1111 | return 0; | |
1112 | } | |
1113 | ||
68727076 JA |
1114 | int init_random_map(struct thread_data *td) |
1115 | { | |
51ede0b1 | 1116 | unsigned long long blocks; |
68727076 JA |
1117 | struct fio_file *f; |
1118 | unsigned int i; | |
1119 | ||
9c6f6316 JA |
1120 | if (init_rand_distribution(td)) |
1121 | return 0; | |
3831a843 | 1122 | if (!td_random(td)) |
68727076 JA |
1123 | return 0; |
1124 | ||
1125 | for_each_file(td, f, i) { | |
42da5c8b | 1126 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1127 | |
42da5c8b | 1128 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1129 | |
75f90d5f | 1130 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1131 | return 1; |
37fbd7e9 | 1132 | |
8055e41d | 1133 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1134 | unsigned long seed; |
1135 | ||
1136 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1137 | |
967d1b63 JA |
1138 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1139 | fio_file_set_lfsr(f); | |
8055e41d | 1140 | continue; |
967d1b63 | 1141 | } |
3831a843 | 1142 | } else if (!td->o.norandommap) { |
7ebd796f | 1143 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1144 | if (f->io_axmap) { |
1145 | fio_file_set_axmap(f); | |
8055e41d | 1146 | continue; |
967d1b63 | 1147 | } |
1cad7121 JA |
1148 | } else if (td->o.norandommap) |
1149 | continue; | |
ceadd59e | 1150 | |
2b386d25 | 1151 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1152 | log_err("fio: failed allocating random map. If running" |
1153 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1154 | " option or set 'softrandommap'. Or give" |
1155 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1156 | return 1; |
1157 | } | |
303032ae JA |
1158 | |
1159 | log_info("fio: file %s failed allocating random map. Running " | |
1160 | "job without.\n", f->file_name); | |
68727076 JA |
1161 | } |
1162 | ||
1163 | return 0; | |
1164 | } | |
1165 | ||
53cdc686 JA |
1166 | void close_files(struct thread_data *td) |
1167 | { | |
0ab8db89 | 1168 | struct fio_file *f; |
af52b345 | 1169 | unsigned int i; |
53cdc686 | 1170 | |
2be3eec3 JA |
1171 | for_each_file(td, f, i) { |
1172 | if (fio_file_open(f)) | |
1173 | td_io_close_file(td, f); | |
1174 | } | |
24ffd2c2 JA |
1175 | } |
1176 | ||
1177 | void close_and_free_files(struct thread_data *td) | |
1178 | { | |
1179 | struct fio_file *f; | |
1180 | unsigned int i; | |
1181 | ||
ee56ad50 JA |
1182 | dprint(FD_FILE, "close files\n"); |
1183 | ||
0ab8db89 | 1184 | for_each_file(td, f, i) { |
38ef9c90 CF |
1185 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1186 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1187 | td_io_unlink_file(td, f); | |
1188 | } | |
1189 | ||
22a57ba8 JA |
1190 | if (fio_file_open(f)) |
1191 | td_io_close_file(td, f); | |
1192 | ||
b9fbcf21 | 1193 | remove_file_hash(f); |
b3dc7f07 | 1194 | |
b5f4d8ba JA |
1195 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1196 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1197 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1198 | } |
1199 | ||
f17c4392 | 1200 | sfree(f->file_name); |
fa1da865 | 1201 | f->file_name = NULL; |
967d1b63 JA |
1202 | if (fio_file_axmap(f)) { |
1203 | axmap_free(f->io_axmap); | |
1204 | f->io_axmap = NULL; | |
1205 | } | |
78d99e6a | 1206 | sfree(f); |
53cdc686 | 1207 | } |
b4a6a59a | 1208 | |
2dc1bbeb | 1209 | td->o.filename = NULL; |
cade3ef4 | 1210 | free(td->files); |
d7df1d13 | 1211 | free(td->file_locks); |
9efef3c4 | 1212 | td->files_index = 0; |
b4a6a59a | 1213 | td->files = NULL; |
d7df1d13 | 1214 | td->file_locks = NULL; |
27ddbfa0 | 1215 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1216 | td->o.nr_files = 0; |
53cdc686 | 1217 | } |
af52b345 | 1218 | |
e3bab463 | 1219 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1220 | { |
1221 | struct stat sb; | |
1222 | ||
66159828 JA |
1223 | if (!strcmp(f->file_name, "-")) |
1224 | f->filetype = FIO_TYPE_PIPE; | |
1225 | else | |
1226 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1227 | |
d5b78f5a | 1228 | #ifdef WIN32 |
3892182a BC |
1229 | /* \\.\ is the device namespace in Windows, where every file is |
1230 | * a block device */ | |
1231 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
1232 | f->filetype = FIO_TYPE_BD; | |
d5b78f5a | 1233 | #endif |
3892182a | 1234 | |
b30d395e | 1235 | if (!stat(f->file_name, &sb)) { |
3892182a | 1236 | if (S_ISBLK(sb.st_mode)) |
af52b345 JA |
1237 | f->filetype = FIO_TYPE_BD; |
1238 | else if (S_ISCHR(sb.st_mode)) | |
1239 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1240 | else if (S_ISFIFO(sb.st_mode)) |
1241 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1242 | } |
1243 | } | |
1244 | ||
90426237 | 1245 | static int __is_already_allocated(const char *fname) |
190b8f0c | 1246 | { |
90426237 JA |
1247 | struct flist_head *entry; |
1248 | char *filename; | |
bcbfeefa | 1249 | |
90426237 JA |
1250 | if (flist_empty(&filename_list)) |
1251 | return 0; | |
1252 | ||
1253 | flist_for_each(entry, &filename_list) { | |
1254 | filename = flist_entry(entry, struct file_name, list)->filename; | |
1255 | ||
1256 | if (strcmp(filename, fname) == 0) | |
1257 | return 1; | |
1258 | } | |
1259 | ||
1260 | return 0; | |
bcbfeefa CE |
1261 | } |
1262 | ||
1263 | static int is_already_allocated(const char *fname) | |
1264 | { | |
90426237 | 1265 | int ret; |
bcbfeefa | 1266 | |
90426237 JA |
1267 | fio_file_hash_lock(); |
1268 | ret = __is_already_allocated(fname); | |
1269 | fio_file_hash_unlock(); | |
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(); | |
1281 | if (!__is_already_allocated(fname)) { | |
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 | ||
90426237 | 1293 | |
190b8f0c CF |
1294 | static void free_already_allocated(void) |
1295 | { | |
bcbfeefa CE |
1296 | struct flist_head *entry, *tmp; |
1297 | struct file_name *fn; | |
1298 | ||
90426237 JA |
1299 | if (flist_empty(&filename_list)) |
1300 | return; | |
1301 | ||
1302 | fio_file_hash_lock(); | |
1303 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1304 | fn = flist_entry(entry, struct file_name, list); | |
1305 | free(fn->filename); | |
1306 | flist_del(&fn->list); | |
1307 | free(fn); | |
bcbfeefa | 1308 | } |
90426237 JA |
1309 | |
1310 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1311 | } |
1312 | ||
7b5cb700 JA |
1313 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1314 | { | |
1315 | struct fio_file *f; | |
1316 | ||
1317 | f = smalloc(sizeof(*f)); | |
1318 | if (!f) { | |
1319 | log_err("fio: smalloc OOM\n"); | |
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 | ||
5903e7b7 | 1330 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1331 | { |
7b4e4fe5 | 1332 | int cur_files = td->files_index; |
bd0ee748 | 1333 | char file_name[PATH_MAX]; |
af52b345 | 1334 | struct fio_file *f; |
bd0ee748 | 1335 | int len = 0; |
af52b345 | 1336 | |
ee56ad50 JA |
1337 | dprint(FD_FILE, "add file %s\n", fname); |
1338 | ||
bcbfeefa | 1339 | if (td->o.directory) |
922a5be8 JA |
1340 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1341 | td->o.unique_filename); | |
bcbfeefa CE |
1342 | |
1343 | sprintf(file_name + len, "%s", fname); | |
1344 | ||
1345 | /* clean cloned siblings using existing files */ | |
1346 | if (numjob && is_already_allocated(file_name)) | |
1347 | return 0; | |
1348 | ||
7b5cb700 | 1349 | f = alloc_new_file(td); |
bd0ee748 | 1350 | |
fc99bc0d | 1351 | if (td->files_size <= td->files_index) { |
1983e327 | 1352 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1353 | |
fc99bc0d JA |
1354 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1355 | ||
1356 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1357 | if (td->files == NULL) { |
1358 | log_err("fio: realloc OOM\n"); | |
1359 | assert(0); | |
1360 | } | |
d7df1d13 JA |
1361 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1362 | td->file_locks = realloc(td->file_locks, new_size); | |
1363 | if (!td->file_locks) { | |
1364 | log_err("fio: realloc OOM\n"); | |
1365 | assert(0); | |
1366 | } | |
1367 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1368 | } | |
fc99bc0d JA |
1369 | td->files_size = new_size; |
1370 | } | |
8bb7679e | 1371 | td->files[cur_files] = f; |
89ac1d48 | 1372 | f->fileno = cur_files; |
126d65c6 | 1373 | |
07eb79df JA |
1374 | /* |
1375 | * init function, io engine may not be loaded yet | |
1376 | */ | |
1377 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
1378 | f->real_file_size = -1ULL; | |
1379 | ||
f17c4392 | 1380 | f->file_name = smalloc_strdup(file_name); |
c48c0be7 JA |
1381 | if (!f->file_name) { |
1382 | log_err("fio: smalloc OOM\n"); | |
1383 | assert(0); | |
1384 | } | |
0b9d69ec | 1385 | |
e3bab463 | 1386 | get_file_type(f); |
af52b345 | 1387 | |
4d4e80f2 JA |
1388 | switch (td->o.file_lock_mode) { |
1389 | case FILE_LOCK_NONE: | |
1390 | break; | |
1391 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1392 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1393 | break; |
1394 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1395 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1396 | break; |
1397 | default: | |
1398 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1399 | assert(0); | |
1400 | } | |
29c1349f | 1401 | |
7b4e4fe5 | 1402 | td->files_index++; |
1549441c JA |
1403 | if (f->filetype == FIO_TYPE_FILE) |
1404 | td->nr_normal_files++; | |
f29b25a3 | 1405 | |
bcbfeefa CE |
1406 | set_already_allocated(file_name); |
1407 | ||
5903e7b7 JA |
1408 | if (inc) |
1409 | td->o.nr_files++; | |
1410 | ||
5ec10eaa JA |
1411 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1412 | cur_files); | |
9efef3c4 | 1413 | |
f29b25a3 | 1414 | return cur_files; |
af52b345 | 1415 | } |
0ad920e7 | 1416 | |
49ffb4a2 JA |
1417 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1418 | { | |
1419 | struct fio_file *f; | |
1420 | unsigned int i; | |
1421 | ||
1422 | for_each_file(td, f, i) { | |
1423 | if (!strcmp(f->file_name, fname)) | |
1424 | return i; | |
1425 | } | |
1426 | ||
5903e7b7 | 1427 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1428 | } |
1429 | ||
0ad920e7 JA |
1430 | void get_file(struct fio_file *f) |
1431 | { | |
8172fe97 | 1432 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1433 | assert(fio_file_open(f)); |
0ad920e7 JA |
1434 | f->references++; |
1435 | } | |
1436 | ||
6977bcd0 | 1437 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1438 | { |
98e1ac4e | 1439 | int f_ret = 0, ret = 0; |
6977bcd0 | 1440 | |
8172fe97 | 1441 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1442 | |
22a57ba8 JA |
1443 | if (!fio_file_open(f)) { |
1444 | assert(f->fd == -1); | |
6977bcd0 | 1445 | return 0; |
22a57ba8 | 1446 | } |
0ad920e7 JA |
1447 | |
1448 | assert(f->references); | |
1449 | if (--f->references) | |
6977bcd0 | 1450 | return 0; |
0ad920e7 | 1451 | |
71b84caa | 1452 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1453 | f_ret = fsync(f->fd); |
71b84caa JA |
1454 | if (f_ret < 0) |
1455 | f_ret = errno; | |
1456 | } | |
ebb1415f | 1457 | |
0ad920e7 | 1458 | if (td->io_ops->close_file) |
6977bcd0 | 1459 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1460 | |
98e1ac4e | 1461 | if (!ret) |
a5fb461f | 1462 | ret = f_ret; |
98e1ac4e | 1463 | |
0ad920e7 | 1464 | td->nr_open_files--; |
d6aed795 | 1465 | fio_file_clear_open(f); |
22a57ba8 | 1466 | assert(f->fd == -1); |
6977bcd0 | 1467 | return ret; |
0ad920e7 | 1468 | } |
bbf6b540 | 1469 | |
4d4e80f2 | 1470 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1471 | { |
4d4e80f2 JA |
1472 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1473 | return; | |
29c1349f | 1474 | |
4d4e80f2 JA |
1475 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1476 | if (ddir == DDIR_READ) | |
d7df1d13 | 1477 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1478 | else |
d7df1d13 | 1479 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1480 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1481 | fio_mutex_down(f->lock); | |
1482 | ||
d7df1d13 | 1483 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1484 | } |
1485 | ||
4d4e80f2 | 1486 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1487 | { |
4d4e80f2 JA |
1488 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1489 | return; | |
4d4e80f2 | 1490 | |
d7df1d13 JA |
1491 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1492 | fio_rwlock_unlock(f->rwlock); | |
1493 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1494 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1495 | |
1496 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1497 | } |
1498 | ||
4d4e80f2 JA |
1499 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1500 | { | |
f2a2803a | 1501 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1502 | return; |
d7df1d13 JA |
1503 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1504 | unlock_file(td, f); | |
4d4e80f2 JA |
1505 | } |
1506 | ||
bbf6b540 JA |
1507 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1508 | { | |
1509 | struct dirent *dir; | |
1510 | int ret = 0; | |
1511 | DIR *D; | |
1512 | ||
1513 | D = opendir(dirname); | |
1514 | if (!D) { | |
0ddb270c JA |
1515 | char buf[FIO_VERROR_SIZE]; |
1516 | ||
98ffb8f3 | 1517 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1518 | td_verror(td, errno, buf); |
bbf6b540 JA |
1519 | return 1; |
1520 | } | |
1521 | ||
1522 | while ((dir = readdir(D)) != NULL) { | |
1523 | char full_path[PATH_MAX]; | |
1524 | struct stat sb; | |
1525 | ||
e85b2b83 JA |
1526 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1527 | continue; | |
96d32d51 | 1528 | |
b9fd788f | 1529 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1530 | |
1531 | if (lstat(full_path, &sb) == -1) { | |
1532 | if (errno != ENOENT) { | |
1533 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1534 | ret = 1; |
1535 | break; | |
bbf6b540 JA |
1536 | } |
1537 | } | |
1538 | ||
1539 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1540 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1541 | continue; |
1542 | } | |
0ddb270c JA |
1543 | if (!S_ISDIR(sb.st_mode)) |
1544 | continue; | |
bbf6b540 | 1545 | |
5ec10eaa JA |
1546 | ret = recurse_dir(td, full_path); |
1547 | if (ret) | |
bbf6b540 JA |
1548 | break; |
1549 | } | |
1550 | ||
1551 | closedir(D); | |
1552 | return ret; | |
1553 | } | |
1554 | ||
1555 | int add_dir_files(struct thread_data *td, const char *path) | |
1556 | { | |
0ddb270c JA |
1557 | int ret = recurse_dir(td, path); |
1558 | ||
1559 | if (!ret) | |
1560 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1561 | ||
1562 | return ret; | |
bbf6b540 | 1563 | } |
cade3ef4 JA |
1564 | |
1565 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1566 | { | |
1567 | struct fio_file *f; | |
1568 | unsigned int i; | |
9efef3c4 JA |
1569 | |
1570 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1571 | |
1572 | if (!org->files) | |
1573 | return; | |
1574 | ||
9efef3c4 | 1575 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1576 | |
d7df1d13 JA |
1577 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1578 | td->file_locks = malloc(org->files_index); | |
1579 | ||
9efef3c4 | 1580 | for_each_file(org, f, i) { |
b0fe421a JA |
1581 | struct fio_file *__f; |
1582 | ||
7b5cb700 | 1583 | __f = alloc_new_file(td); |
0b9d69ec | 1584 | |
bc3456fa | 1585 | if (f->file_name) { |
f17c4392 | 1586 | __f->file_name = smalloc_strdup(f->file_name); |
c48c0be7 JA |
1587 | if (!__f->file_name) { |
1588 | log_err("fio: smalloc OOM\n"); | |
1589 | assert(0); | |
1590 | } | |
0b9d69ec | 1591 | |
bc3456fa AC |
1592 | __f->filetype = f->filetype; |
1593 | } | |
b0fe421a | 1594 | |
67ad9242 JA |
1595 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1596 | __f->lock = f->lock; | |
1597 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1598 | __f->rwlock = f->rwlock; | |
1599 | ||
b0fe421a | 1600 | td->files[i] = __f; |
cade3ef4 JA |
1601 | } |
1602 | } | |
f29b25a3 JA |
1603 | |
1604 | /* | |
1605 | * Returns the index that matches the filename, or -1 if not there | |
1606 | */ | |
1607 | int get_fileno(struct thread_data *td, const char *fname) | |
1608 | { | |
1609 | struct fio_file *f; | |
1610 | unsigned int i; | |
1611 | ||
1612 | for_each_file(td, f, i) | |
1613 | if (!strcmp(f->file_name, fname)) | |
1614 | return i; | |
1615 | ||
1616 | return -1; | |
1617 | } | |
1618 | ||
1619 | /* | |
1620 | * For log usage, where we add/open/close files automatically | |
1621 | */ | |
1622 | void free_release_files(struct thread_data *td) | |
1623 | { | |
1624 | close_files(td); | |
66ee4002 JA |
1625 | td->o.nr_files = 0; |
1626 | td->o.open_files = 0; | |
f29b25a3 JA |
1627 | td->files_index = 0; |
1628 | td->nr_normal_files = 0; | |
1629 | } | |
33c48814 JA |
1630 | |
1631 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1632 | { | |
f1dfb668 JA |
1633 | int i; |
1634 | ||
1635 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1636 | f->last_pos[i] = f->file_offset; | |
1637 | f->last_start[i] = -1ULL; | |
1638 | } | |
1639 | ||
967d1b63 | 1640 | if (fio_file_axmap(f)) |
33c48814 | 1641 | axmap_reset(f->io_axmap); |
967d1b63 | 1642 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1643 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1644 | } | |
002fe734 JA |
1645 | |
1646 | int fio_files_done(struct thread_data *td) | |
1647 | { | |
1648 | struct fio_file *f; | |
1649 | unsigned int i; | |
1650 | ||
1651 | for_each_file(td, f, i) | |
1652 | if (!fio_file_done(f)) | |
1653 | return 0; | |
1654 | ||
1655 | return 1; | |
1656 | } | |
bcbfeefa CE |
1657 | |
1658 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1659 | void filesetup_mem_free(void) |
1660 | { | |
bcbfeefa CE |
1661 | free_already_allocated(); |
1662 | } |