Commit | Line | Data |
---|---|---|
53cdc686 JA |
1 | #include <unistd.h> |
2 | #include <fcntl.h> | |
3 | #include <string.h> | |
4 | #include <assert.h> | |
bbf6b540 | 5 | #include <dirent.h> |
d74ac843 | 6 | #include <libgen.h> |
53cdc686 JA |
7 | #include <sys/stat.h> |
8 | #include <sys/mman.h> | |
bbf6b540 | 9 | #include <sys/types.h> |
53cdc686 JA |
10 | |
11 | #include "fio.h" | |
f17c4392 | 12 | #include "smalloc.h" |
4906e0b5 | 13 | #include "filehash.h" |
bcbfeefa | 14 | #include "options.h" |
ecc314ba | 15 | #include "os/os.h" |
2316296a | 16 | #include "hash.h" |
7ebd796f | 17 | #include "lib/axmap.h" |
53cdc686 | 18 | |
97ac992c | 19 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
20 | #include <linux/falloc.h> |
21 | #endif | |
22 | ||
7172cfe8 JA |
23 | static int root_warn; |
24 | ||
bcbfeefa CE |
25 | static FLIST_HEAD(filename_list); |
26 | ||
bf651609 TK |
27 | /* |
28 | * List entry for filename_list | |
29 | */ | |
30 | struct file_name { | |
31 | struct flist_head list; | |
32 | char *filename; | |
33 | }; | |
34 | ||
c592b9fe JA |
35 | static inline void clear_error(struct thread_data *td) |
36 | { | |
37 | td->error = 0; | |
38 | td->verror[0] = '\0'; | |
39 | } | |
40 | ||
3baddf24 JA |
41 | /* |
42 | * Leaves f->fd open on success, caller must close | |
43 | */ | |
7bb48f84 | 44 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 45 | { |
ea443657 | 46 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
47 | unsigned long long left; |
48 | unsigned int bs; | |
f3e1eb23 | 49 | char *b = NULL; |
b2a15192 | 50 | |
4241ea8f JA |
51 | if (read_only) { |
52 | log_err("fio: refusing extend of file due to read-only\n"); | |
53 | return 0; | |
54 | } | |
55 | ||
507a702f JA |
56 | /* |
57 | * check if we need to lay the file out complete again. fio | |
58 | * does that for operations involving reads, or for writes | |
59 | * where overwrite is set | |
60 | */ | |
1417daeb JA |
61 | if (td_read(td) || |
62 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 63 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 64 | new_layout = 1; |
1417daeb | 65 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 66 | unlink_file = 1; |
507a702f | 67 | |
6ae1f57f | 68 | if (unlink_file || new_layout) { |
2442c935 JA |
69 | int ret; |
70 | ||
bd199f2b | 71 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
72 | |
73 | ret = td_io_unlink_file(td, f); | |
74 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
75 | td_verror(td, errno, "unlink"); |
76 | return 1; | |
77 | } | |
78 | } | |
79 | ||
2378826d JA |
80 | flags = O_WRONLY; |
81 | if (td->o.allow_create) | |
82 | flags |= O_CREAT; | |
507a702f JA |
83 | if (new_layout) |
84 | flags |= O_TRUNC; | |
85 | ||
9c0f3f32 BC |
86 | #ifdef WIN32 |
87 | flags |= _O_BINARY; | |
88 | #endif | |
89 | ||
ee56ad50 | 90 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 91 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 92 | if (f->fd < 0) { |
2378826d JA |
93 | int err = errno; |
94 | ||
95 | if (err == ENOENT && !td->o.allow_create) | |
96 | log_err("fio: file creation disallowed by " | |
97 | "allow_file_create=0\n"); | |
98 | else | |
99 | td_verror(td, err, "open"); | |
53cdc686 JA |
100 | return 1; |
101 | } | |
102 | ||
97ac992c | 103 | #ifdef CONFIG_POSIX_FALLOCATE |
a596f047 EG |
104 | if (!td->o.fill_device) { |
105 | switch (td->o.fallocate_mode) { | |
106 | case FIO_FALLOCATE_NONE: | |
107 | break; | |
108 | case FIO_FALLOCATE_POSIX: | |
109 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
4b91ee8f JA |
110 | f->file_name, |
111 | (unsigned long long) f->real_file_size); | |
a596f047 EG |
112 | |
113 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
114 | if (r > 0) { | |
115 | log_err("fio: posix_fallocate fails: %s\n", | |
116 | strerror(r)); | |
117 | } | |
118 | break; | |
97ac992c | 119 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
120 | case FIO_FALLOCATE_KEEP_SIZE: |
121 | dprint(FD_FILE, | |
122 | "fallocate(FALLOC_FL_KEEP_SIZE) " | |
4b91ee8f JA |
123 | "file %s size %llu\n", f->file_name, |
124 | (unsigned long long) f->real_file_size); | |
7bc8c2cf | 125 | |
a596f047 EG |
126 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, |
127 | f->real_file_size); | |
888677a4 | 128 | if (r != 0) |
a596f047 | 129 | td_verror(td, errno, "fallocate"); |
888677a4 | 130 | |
a596f047 | 131 | break; |
97ac992c | 132 | #endif /* CONFIG_LINUX_FALLOCATE */ |
a596f047 EG |
133 | default: |
134 | log_err("fio: unknown fallocate mode: %d\n", | |
135 | td->o.fallocate_mode); | |
136 | assert(0); | |
7bc8c2cf JA |
137 | } |
138 | } | |
97ac992c | 139 | #endif /* CONFIG_POSIX_FALLOCATE */ |
9b836561 | 140 | |
79591fa9 TK |
141 | /* |
142 | * If our jobs don't require regular files initially, we're done. | |
143 | */ | |
fc74ac1d SL |
144 | if (!new_layout) |
145 | goto done; | |
146 | ||
5e0074c2 JA |
147 | /* |
148 | * The size will be -1ULL when fill_device is used, so don't truncate | |
149 | * or fallocate this file, just write it | |
150 | */ | |
151 | if (!td->o.fill_device) { | |
152 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 153 | (unsigned long long) f->real_file_size); |
5e0074c2 | 154 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
155 | if (errno != EFBIG) { |
156 | td_verror(td, errno, "ftruncate"); | |
157 | goto err; | |
158 | } | |
5e0074c2 | 159 | } |
5e0074c2 | 160 | } |
40f8298c | 161 | |
82d8de31 TK |
162 | left = f->real_file_size; |
163 | bs = td->o.max_bs[DDIR_WRITE]; | |
164 | if (bs > left) | |
165 | bs = left; | |
166 | ||
167 | b = malloc(bs); | |
84af30a1 TK |
168 | if (!b) { |
169 | td_verror(td, errno, "malloc"); | |
170 | goto err; | |
171 | } | |
53cdc686 | 172 | |
53cdc686 | 173 | while (left && !td->terminate) { |
53cdc686 JA |
174 | if (bs > left) |
175 | bs = left; | |
176 | ||
cc86c395 JA |
177 | fill_io_buffer(td, b, bs, bs); |
178 | ||
53cdc686 JA |
179 | r = write(f->fd, b, bs); |
180 | ||
5e0074c2 JA |
181 | if (r > 0) { |
182 | left -= r; | |
53cdc686 JA |
183 | continue; |
184 | } else { | |
5e0074c2 JA |
185 | if (r < 0) { |
186 | int __e = errno; | |
187 | ||
188 | if (__e == ENOSPC) { | |
189 | if (td->o.fill_device) | |
190 | break; | |
191 | log_info("fio: ENOSPC on laying out " | |
192 | "file, stopping\n"); | |
193 | break; | |
194 | } | |
e1161c32 | 195 | td_verror(td, errno, "write"); |
5e0074c2 | 196 | } else |
e1161c32 | 197 | td_verror(td, EIO, "write"); |
53cdc686 JA |
198 | |
199 | break; | |
200 | } | |
201 | } | |
202 | ||
ffdfabd4 JA |
203 | if (td->terminate) { |
204 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 205 | td_io_unlink_file(td, f); |
ffdfabd4 | 206 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
207 | if (fsync(f->fd) < 0) { |
208 | td_verror(td, errno, "fsync"); | |
209 | goto err; | |
210 | } | |
211 | } | |
0d1cd207 | 212 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 213 | fio_file_clear_size_known(f); |
5e0074c2 JA |
214 | if (td_io_get_file_size(td, f)) |
215 | goto err; | |
216 | if (f->io_size > f->real_file_size) | |
217 | f->io_size = f->real_file_size; | |
218 | } | |
53cdc686 JA |
219 | |
220 | free(b); | |
507a702f | 221 | done: |
53cdc686 JA |
222 | return 0; |
223 | err: | |
224 | close(f->fd); | |
225 | f->fd = -1; | |
f3e1eb23 JA |
226 | if (b) |
227 | free(b); | |
53cdc686 JA |
228 | return 1; |
229 | } | |
230 | ||
afad68f7 ZY |
231 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
232 | { | |
ef799a64 | 233 | int ret = 0, r, did_open = 0, old_runstate; |
afad68f7 ZY |
234 | unsigned long long left; |
235 | unsigned int bs; | |
236 | char *b; | |
237 | ||
736f1188 TK |
238 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
239 | td_ioengine_flagged(td, FIO_NOIO)) | |
9c0d2241 JA |
240 | return 0; |
241 | ||
e658078b TK |
242 | if (f->filetype == FIO_TYPE_CHAR) |
243 | return 0; | |
244 | ||
d6aed795 | 245 | if (!fio_file_open(f)) { |
b0f65863 JA |
246 | if (td->io_ops->open_file(td, f)) { |
247 | log_err("fio: cannot pre-read, failed to open file\n"); | |
248 | return 1; | |
249 | } | |
250 | did_open = 1; | |
251 | } | |
252 | ||
8edd973d | 253 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 254 | |
82d8de31 | 255 | left = f->io_size; |
afad68f7 | 256 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
257 | if (bs > left) |
258 | bs = left; | |
259 | ||
afad68f7 | 260 | b = malloc(bs); |
84af30a1 TK |
261 | if (!b) { |
262 | td_verror(td, errno, "malloc"); | |
263 | ret = 1; | |
264 | goto error; | |
265 | } | |
afad68f7 ZY |
266 | memset(b, 0, bs); |
267 | ||
ef799a64 JA |
268 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
269 | td_verror(td, errno, "lseek"); | |
270 | log_err("fio: failed to lseek pre-read file\n"); | |
271 | ret = 1; | |
272 | goto error; | |
273 | } | |
274 | ||
afad68f7 ZY |
275 | while (left && !td->terminate) { |
276 | if (bs > left) | |
277 | bs = left; | |
278 | ||
279 | r = read(f->fd, b, bs); | |
280 | ||
281 | if (r == (int) bs) { | |
282 | left -= bs; | |
283 | continue; | |
284 | } else { | |
285 | td_verror(td, EIO, "pre_read"); | |
286 | break; | |
287 | } | |
288 | } | |
289 | ||
ef799a64 | 290 | error: |
8edd973d | 291 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
292 | |
293 | if (did_open) | |
294 | td->io_ops->close_file(td, f); | |
ef799a64 | 295 | |
afad68f7 | 296 | free(b); |
ef799a64 | 297 | return ret; |
afad68f7 ZY |
298 | } |
299 | ||
a3f001f5 | 300 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 301 | { |
dc873b6f | 302 | unsigned long long ret, sized; |
c3546b53 | 303 | uint64_t frand_max; |
1294c3ec | 304 | unsigned long r; |
9c60ce64 | 305 | |
c3546b53 | 306 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 307 | r = __rand(&td->file_size_state); |
54a21917 | 308 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 309 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 310 | ret += td->o.file_size_low; |
2dc1bbeb | 311 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
312 | return ret; |
313 | } | |
314 | ||
53cdc686 JA |
315 | static int file_size(struct thread_data *td, struct fio_file *f) |
316 | { | |
317 | struct stat st; | |
318 | ||
df9c26b1 | 319 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
320 | td_verror(td, errno, "fstat"); |
321 | return 1; | |
322 | } | |
53cdc686 | 323 | |
7bb48f84 | 324 | f->real_file_size = st.st_size; |
53cdc686 JA |
325 | return 0; |
326 | } | |
327 | ||
328 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
329 | { | |
9b836561 | 330 | unsigned long long bytes = 0; |
53cdc686 JA |
331 | int r; |
332 | ||
df9c26b1 JA |
333 | if (td->io_ops->open_file(td, f)) { |
334 | log_err("fio: failed opening blockdev %s for size check\n", | |
335 | f->file_name); | |
336 | return 1; | |
337 | } | |
338 | ||
ecc314ba | 339 | r = blockdev_size(f, &bytes); |
53cdc686 | 340 | if (r) { |
e1161c32 | 341 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 342 | goto err; |
53cdc686 JA |
343 | } |
344 | ||
7ab077ab JA |
345 | if (!bytes) { |
346 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 347 | goto err; |
7ab077ab JA |
348 | } |
349 | ||
53cdc686 | 350 | f->real_file_size = bytes; |
22a57ba8 | 351 | td->io_ops->close_file(td, f); |
53cdc686 | 352 | return 0; |
df9c26b1 JA |
353 | err: |
354 | td->io_ops->close_file(td, f); | |
355 | return 1; | |
53cdc686 JA |
356 | } |
357 | ||
4ccdccd1 JA |
358 | static int char_size(struct thread_data *td, struct fio_file *f) |
359 | { | |
360 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 361 | unsigned long long bytes = 0; |
4ccdccd1 JA |
362 | int r; |
363 | ||
364 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 365 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
366 | f->file_name); |
367 | return 1; | |
368 | } | |
369 | ||
ecc314ba | 370 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
371 | if (r) { |
372 | td_verror(td, r, "chardev_size"); | |
373 | goto err; | |
374 | } | |
375 | ||
376 | if (!bytes) { | |
377 | log_err("%s: zero sized char device?\n", f->file_name); | |
378 | goto err; | |
379 | } | |
380 | ||
381 | f->real_file_size = bytes; | |
382 | td->io_ops->close_file(td, f); | |
383 | return 0; | |
384 | err: | |
385 | td->io_ops->close_file(td, f); | |
386 | return 1; | |
387 | #else | |
388 | f->real_file_size = -1ULL; | |
389 | return 0; | |
390 | #endif | |
391 | } | |
392 | ||
53cdc686 JA |
393 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
394 | { | |
395 | int ret = 0; | |
396 | ||
d6aed795 | 397 | if (fio_file_size_known(f)) |
409b3417 JA |
398 | return 0; |
399 | ||
7bb48f84 JA |
400 | if (f->filetype == FIO_TYPE_FILE) |
401 | ret = file_size(td, f); | |
686fbd31 | 402 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 403 | ret = bdev_size(td, f); |
4ccdccd1 JA |
404 | else if (f->filetype == FIO_TYPE_CHAR) |
405 | ret = char_size(td, f); | |
0f34169a TK |
406 | else |
407 | f->real_file_size = -1ULL; | |
53cdc686 | 408 | |
79591fa9 TK |
409 | /* |
410 | * Leave ->real_file_size with 0 since it could be expectation | |
411 | * of initial setup for regular files. | |
412 | */ | |
a0cb220b | 413 | if (ret) |
53cdc686 JA |
414 | return ret; |
415 | ||
0f34169a TK |
416 | /* |
417 | * If ->real_file_size is -1, a conditional for the message | |
418 | * "offset extends end" is always true, but it makes no sense, | |
419 | * so just return the same value here. | |
420 | */ | |
421 | if (f->real_file_size == -1ULL) { | |
422 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
423 | f->file_name); | |
424 | return 1; | |
425 | } | |
426 | ||
427 | if (td->o.start_offset && f->file_offset == 0) | |
428 | dprint(FD_FILE, "offset of file %s not initialized yet\n", | |
429 | f->file_name); | |
957c81b9 TK |
430 | /* |
431 | * ->file_offset normally hasn't been initialized yet, so this | |
0f34169a | 432 | * is basically always false. |
957c81b9 | 433 | */ |
53cdc686 | 434 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 435 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
436 | (unsigned long long) f->file_offset, |
437 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
438 | return 1; |
439 | } | |
440 | ||
d6aed795 | 441 | fio_file_set_size_known(f); |
53cdc686 JA |
442 | return 0; |
443 | } | |
444 | ||
3baddf24 JA |
445 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
446 | unsigned long long off, | |
447 | unsigned long long len) | |
e5b401d4 | 448 | { |
942a851a | 449 | int errval = 0, ret = 0; |
e5b401d4 | 450 | |
c8931876 JA |
451 | #ifdef CONFIG_ESX |
452 | return 0; | |
453 | #endif | |
454 | ||
5e0074c2 | 455 | if (len == -1ULL) |
3baddf24 JA |
456 | len = f->io_size; |
457 | if (off == -1ULL) | |
458 | off = f->file_offset; | |
ee56ad50 | 459 | |
0d1cd207 JA |
460 | if (len == -1ULL || off == -1ULL) |
461 | return 0; | |
462 | ||
942a851a | 463 | if (td->io_ops->invalidate) { |
4499dbef TK |
464 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
465 | f->file_name); | |
d9b100fc | 466 | ret = td->io_ops->invalidate(td, f); |
942a851a | 467 | if (ret < 0) |
afd118db | 468 | errval = -ret; |
942a851a | 469 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
470 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
471 | f->file_name, off, len); | |
ecc314ba | 472 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 473 | if (ret) |
942a851a | 474 | errval = ret; |
686fbd31 | 475 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
476 | int retry_count = 0; |
477 | ||
4499dbef | 478 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 479 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
480 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
481 | /* | |
482 | * Linux multipath devices reject ioctl while | |
483 | * the maps are being updated. That window can | |
484 | * last tens of milliseconds; we'll try up to | |
485 | * a quarter of a second. | |
486 | */ | |
487 | usleep(10000); | |
488 | ret = blockdev_invalidate_cache(f); | |
489 | } | |
7e0e25c9 | 490 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 491 | if (!root_warn) { |
5ec10eaa JA |
492 | log_err("fio: only root may flush block " |
493 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
494 | root_warn = 1; |
495 | } | |
7e0e25c9 JA |
496 | ret = 0; |
497 | } | |
942a851a JA |
498 | if (ret < 0) |
499 | errval = errno; | |
22de5d77 TK |
500 | else if (ret) /* probably not supported */ |
501 | errval = ret; | |
4499dbef TK |
502 | } else if (f->filetype == FIO_TYPE_CHAR || |
503 | f->filetype == FIO_TYPE_PIPE) { | |
504 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
e5b401d4 | 505 | ret = 0; |
4499dbef | 506 | } |
e5b401d4 | 507 | |
dfe11fd1 JA |
508 | /* |
509 | * Cache flushing isn't a fatal condition, and we know it will | |
510 | * happen on some platforms where we don't have the proper | |
511 | * function to flush eg block device caches. So just warn and | |
512 | * continue on our way. | |
513 | */ | |
942a851a | 514 | if (errval) |
22de5d77 TK |
515 | log_info("fio: cache invalidation of %s failed: %s\n", |
516 | f->file_name, strerror(errval)); | |
e5b401d4 | 517 | |
dfe11fd1 | 518 | return 0; |
3baddf24 JA |
519 | |
520 | } | |
521 | ||
522 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
523 | { | |
d6aed795 | 524 | if (!fio_file_open(f)) |
a5fb461f JA |
525 | return 0; |
526 | ||
5e0074c2 | 527 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
528 | } |
529 | ||
6977bcd0 | 530 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 531 | { |
6977bcd0 JA |
532 | int ret = 0; |
533 | ||
ee56ad50 | 534 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
535 | |
536 | remove_file_hash(f); | |
537 | ||
6977bcd0 JA |
538 | if (close(f->fd) < 0) |
539 | ret = errno; | |
540 | ||
b5af8293 | 541 | f->fd = -1; |
e6c4d732 JA |
542 | |
543 | if (f->shadow_fd != -1) { | |
544 | close(f->shadow_fd); | |
545 | f->shadow_fd = -1; | |
546 | } | |
547 | ||
710bf9c5 | 548 | f->engine_pos = 0; |
6977bcd0 | 549 | return ret; |
53cdc686 JA |
550 | } |
551 | ||
1ccc6dc7 | 552 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 553 | { |
29c1349f | 554 | struct fio_file *__f; |
4d4e80f2 JA |
555 | int from_hash; |
556 | ||
557 | __f = lookup_file_hash(f->file_name); | |
558 | if (__f) { | |
9efef3c4 | 559 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 560 | f->lock = __f->lock; |
4d4e80f2 JA |
561 | from_hash = 1; |
562 | } else { | |
9efef3c4 | 563 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
564 | from_hash = 0; |
565 | } | |
566 | ||
9c0f3f32 BC |
567 | #ifdef WIN32 |
568 | flags |= _O_BINARY; | |
569 | #endif | |
570 | ||
e8670ef8 | 571 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
572 | return from_hash; |
573 | } | |
574 | ||
e6c4d732 JA |
575 | static int file_close_shadow_fds(struct thread_data *td) |
576 | { | |
577 | struct fio_file *f; | |
578 | int num_closed = 0; | |
579 | unsigned int i; | |
580 | ||
581 | for_each_file(td, f, i) { | |
582 | if (f->shadow_fd == -1) | |
583 | continue; | |
584 | ||
585 | close(f->shadow_fd); | |
586 | f->shadow_fd = -1; | |
587 | num_closed++; | |
588 | } | |
589 | ||
590 | return num_closed; | |
591 | } | |
592 | ||
4d4e80f2 JA |
593 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
594 | { | |
66159828 | 595 | int is_std = 0; |
53cdc686 | 596 | int flags = 0; |
29c1349f | 597 | int from_hash = 0; |
53cdc686 | 598 | |
ee56ad50 JA |
599 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
600 | ||
66159828 JA |
601 | if (!strcmp(f->file_name, "-")) { |
602 | if (td_rw(td)) { | |
603 | log_err("fio: can't read/write to stdin/out\n"); | |
604 | return 1; | |
605 | } | |
606 | is_std = 1; | |
ce98fa66 JA |
607 | |
608 | /* | |
609 | * move output logging to stderr, if we are writing to stdout | |
610 | */ | |
611 | if (td_write(td)) | |
612 | f_out = stderr; | |
66159828 JA |
613 | } |
614 | ||
6eaf09d6 SL |
615 | if (td_trim(td)) |
616 | goto skip_flags; | |
2dc1bbeb | 617 | if (td->o.odirect) |
2fd233b7 | 618 | flags |= OS_O_DIRECT; |
d01612f3 CM |
619 | if (td->o.oatomic) { |
620 | if (!FIO_O_ATOMIC) { | |
621 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
622 | return 1; | |
623 | } | |
624 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
625 | } | |
2dc1bbeb | 626 | if (td->o.sync_io) |
2fd233b7 | 627 | flags |= O_SYNC; |
2378826d | 628 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 629 | flags |= O_CREAT; |
6eaf09d6 SL |
630 | skip_flags: |
631 | if (f->filetype != FIO_TYPE_FILE) | |
632 | flags |= FIO_O_NOATIME; | |
53cdc686 | 633 | |
056f3459 | 634 | open_again: |
660a1cb5 | 635 | if (td_write(td)) { |
17308158 JA |
636 | if (!read_only) |
637 | flags |= O_RDWR; | |
53cdc686 | 638 | |
2378826d | 639 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 640 | flags |= O_CREAT; |
2fd233b7 | 641 | |
66159828 JA |
642 | if (is_std) |
643 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
644 | else |
645 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 646 | } else if (td_read(td)) { |
4241ea8f | 647 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
648 | flags |= O_RDWR; |
649 | else | |
650 | flags |= O_RDONLY; | |
651 | ||
66159828 JA |
652 | if (is_std) |
653 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
654 | else |
655 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
656 | } else if (td_trim(td)) { |
657 | assert(!td_rw(td)); /* should have matched above */ | |
6eaf09d6 SL |
658 | flags |= O_RDWR; |
659 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
660 | } |
661 | ||
662 | if (f->fd == -1) { | |
e4e33258 | 663 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
664 | int __e = errno; |
665 | ||
835d9b9e | 666 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 667 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
668 | goto open_again; |
669 | } | |
e6c4d732 JA |
670 | if (__e == EMFILE && file_close_shadow_fds(td)) |
671 | goto open_again; | |
056f3459 | 672 | |
98ffb8f3 | 673 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 674 | |
a93c5f04 JA |
675 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
676 | log_err("fio: looks like your file system does not " \ | |
677 | "support direct=1/buffered=0\n"); | |
678 | } | |
679 | ||
e4e33258 | 680 | td_verror(td, __e, buf); |
3ce3ad33 | 681 | return 1; |
53cdc686 JA |
682 | } |
683 | ||
29c1349f JA |
684 | if (!from_hash && f->fd != -1) { |
685 | if (add_file_hash(f)) { | |
3f0ca9b9 | 686 | int fio_unused ret; |
29c1349f JA |
687 | |
688 | /* | |
e6c4d732 JA |
689 | * Stash away descriptor for later close. This is to |
690 | * work-around a "feature" on Linux, where a close of | |
691 | * an fd that has been opened for write will trigger | |
692 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 693 | * That pollutes the device cache, which can slow down |
e6c4d732 | 694 | * unbuffered accesses. |
29c1349f | 695 | */ |
e6c4d732 JA |
696 | if (f->shadow_fd == -1) |
697 | f->shadow_fd = f->fd; | |
698 | else { | |
699 | /* | |
700 | * OK to ignore, we haven't done anything | |
701 | * with it | |
702 | */ | |
703 | ret = generic_close_file(td, f); | |
704 | } | |
29c1349f JA |
705 | goto open_again; |
706 | } | |
707 | } | |
4906e0b5 | 708 | |
53cdc686 | 709 | return 0; |
b5af8293 JA |
710 | } |
711 | ||
79591fa9 TK |
712 | /* |
713 | * This function i.e. get_file_size() is the default .get_file_size | |
714 | * implementation of majority of I/O engines. | |
715 | */ | |
df9c26b1 | 716 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 717 | { |
df9c26b1 | 718 | return get_file_size(td, f); |
21972cde JA |
719 | } |
720 | ||
7bb48f84 JA |
721 | /* |
722 | * open/close all files, so that ->real_file_size gets set | |
723 | */ | |
bab3fd58 | 724 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
725 | { |
726 | struct fio_file *f; | |
727 | unsigned int i; | |
bab3fd58 | 728 | int err = 0; |
7bb48f84 JA |
729 | |
730 | for_each_file(td, f, i) { | |
08c44a55 | 731 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 732 | f->file_name); |
9efef3c4 | 733 | |
99a47c69 | 734 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
735 | if (td->error != ENOENT) { |
736 | log_err("%s\n", td->verror); | |
737 | err = 1; | |
3ce3ad33 | 738 | break; |
40b44f4a | 739 | } |
541d66d7 | 740 | clear_error(td); |
07eb79df | 741 | } |
409b3417 | 742 | |
79591fa9 TK |
743 | /* |
744 | * There are corner cases where we end up with -1 for | |
745 | * ->real_file_size due to unsupported file type, etc. | |
746 | * We then just set to size option value divided by number | |
747 | * of files, similar to the way file ->io_size is set. | |
748 | * stat(2) failure doesn't set ->real_file_size to -1. | |
749 | */ | |
409b3417 JA |
750 | if (f->real_file_size == -1ULL && td->o.size) |
751 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 752 | } |
bab3fd58 JA |
753 | |
754 | return err; | |
7bb48f84 JA |
755 | } |
756 | ||
2e3bd4c2 JA |
757 | struct fio_mount { |
758 | struct flist_head list; | |
759 | const char *base; | |
760 | char __base[256]; | |
761 | unsigned int key; | |
762 | }; | |
763 | ||
764 | /* | |
765 | * Get free number of bytes for each file on each unique mount. | |
766 | */ | |
767 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
768 | { | |
769 | struct flist_head *n, *tmp; | |
68b0316f | 770 | unsigned long long ret = 0; |
2e3bd4c2 JA |
771 | struct fio_mount *fm; |
772 | FLIST_HEAD(list); | |
773 | struct fio_file *f; | |
774 | unsigned int i; | |
775 | ||
776 | for_each_file(td, f, i) { | |
777 | struct stat sb; | |
778 | char buf[256]; | |
779 | ||
686fbd31 | 780 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
781 | if (f->real_file_size != -1ULL) |
782 | ret += f->real_file_size; | |
68b0316f JA |
783 | continue; |
784 | } else if (f->filetype != FIO_TYPE_FILE) | |
785 | continue; | |
786 | ||
da27a4bf JA |
787 | buf[255] = '\0'; |
788 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
789 | |
790 | if (stat(buf, &sb) < 0) { | |
791 | if (errno != ENOENT) | |
792 | break; | |
793 | strcpy(buf, "."); | |
794 | if (stat(buf, &sb) < 0) | |
795 | break; | |
796 | } | |
797 | ||
798 | fm = NULL; | |
799 | flist_for_each(n, &list) { | |
800 | fm = flist_entry(n, struct fio_mount, list); | |
801 | if (fm->key == sb.st_dev) | |
802 | break; | |
803 | ||
804 | fm = NULL; | |
805 | } | |
806 | ||
807 | if (fm) | |
808 | continue; | |
809 | ||
3660ceae JA |
810 | fm = calloc(1, sizeof(*fm)); |
811 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
812 | fm->base = basename(fm->__base); |
813 | fm->key = sb.st_dev; | |
814 | flist_add(&fm->list, &list); | |
815 | } | |
816 | ||
2e3bd4c2 JA |
817 | flist_for_each_safe(n, tmp, &list) { |
818 | unsigned long long sz; | |
819 | ||
820 | fm = flist_entry(n, struct fio_mount, list); | |
821 | flist_del(&fm->list); | |
822 | ||
c08ad04c | 823 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
824 | if (sz && sz != -1ULL) |
825 | ret += sz; | |
826 | ||
827 | free(fm); | |
828 | } | |
829 | ||
830 | return ret; | |
831 | } | |
832 | ||
bedc9dc2 | 833 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 834 | { |
bedc9dc2 | 835 | struct thread_options *o = &td->o; |
872e0415 JA |
836 | unsigned long long align_bs; |
837 | unsigned long long offset; | |
bedc9dc2 JA |
838 | |
839 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
840 | return f->real_file_size; | |
841 | ||
89978a6b | 842 | if (o->start_offset_percent > 0) { |
872e0415 JA |
843 | /* |
844 | * if blockalign is provided, find the min across read, write, | |
845 | * and trim | |
846 | */ | |
89978a6b BW |
847 | if (fio_option_is_set(o, ba)) { |
848 | align_bs = (unsigned long long) min(o->ba[DDIR_READ], o->ba[DDIR_WRITE]); | |
849 | align_bs = min((unsigned long long) o->ba[DDIR_TRIM], align_bs); | |
872e0415 JA |
850 | } else { |
851 | /* else take the minimum block size */ | |
89978a6b BW |
852 | align_bs = td_min_bs(td); |
853 | } | |
854 | ||
855 | /* calculate the raw offset */ | |
856 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
857 | (td->subjob_number * o->offset_increment); | |
858 | ||
872e0415 JA |
859 | /* |
860 | * block align the offset at the next available boundary at | |
861 | * ceiling(offset / align_bs) * align_bs | |
862 | */ | |
89978a6b BW |
863 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
864 | ||
872e0415 JA |
865 | } else { |
866 | /* start_offset_percent not set */ | |
f0d13935 JA |
867 | offset = o->start_offset + |
868 | td->subjob_number * o->offset_increment; | |
89978a6b | 869 | } |
872e0415 | 870 | |
89978a6b | 871 | return offset; |
ce95d651 DE |
872 | } |
873 | ||
7bb48f84 JA |
874 | /* |
875 | * Open the files and setup files sizes, creating files if necessary. | |
876 | */ | |
53cdc686 JA |
877 | int setup_files(struct thread_data *td) |
878 | { | |
7bb48f84 | 879 | unsigned long long total_size, extend_size; |
de98bd30 | 880 | struct thread_options *o = &td->o; |
53cdc686 | 881 | struct fio_file *f; |
002fe734 | 882 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 883 | int err = 0, need_extend; |
e90391eb | 884 | int old_state; |
002fe734 JA |
885 | const unsigned int bs = td_min_bs(td); |
886 | uint64_t fs = 0; | |
53cdc686 | 887 | |
ee56ad50 JA |
888 | dprint(FD_FILE, "setup files\n"); |
889 | ||
8edd973d | 890 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 891 | |
de98bd30 | 892 | if (o->read_iolog_file) |
25460cf6 | 893 | goto done; |
691c8fb0 | 894 | |
53cdc686 | 895 | /* |
79591fa9 TK |
896 | * Find out physical size of files or devices for this thread, |
897 | * before we determine I/O size and range of our targets. | |
898 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
899 | * opening the files and setting f->real_file_size to indicate |
900 | * the valid range for that file. | |
53cdc686 JA |
901 | */ |
902 | if (td->io_ops->setup) | |
7bb48f84 JA |
903 | err = td->io_ops->setup(td); |
904 | else | |
bab3fd58 | 905 | err = get_file_sizes(td); |
53cdc686 | 906 | |
f1027063 | 907 | if (err) |
e90391eb | 908 | goto err_out; |
f1027063 | 909 | |
0a7eb121 | 910 | /* |
7bb48f84 JA |
911 | * check sizes. if the files/devices do not exist and the size |
912 | * isn't passed to fio, abort. | |
0a7eb121 | 913 | */ |
7bb48f84 JA |
914 | total_size = 0; |
915 | for_each_file(td, f, i) { | |
49a416bd | 916 | f->fileno = i; |
7bb48f84 JA |
917 | if (f->real_file_size == -1ULL) |
918 | total_size = -1ULL; | |
919 | else | |
920 | total_size += f->real_file_size; | |
921 | } | |
0a7eb121 | 922 | |
de98bd30 | 923 | if (o->fill_device) |
2e3bd4c2 JA |
924 | td->fill_device_size = get_fs_free_counts(td); |
925 | ||
7bb48f84 JA |
926 | /* |
927 | * device/file sizes are zero and no size given, punt | |
928 | */ | |
de98bd30 | 929 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 930 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
931 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
932 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 933 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 934 | goto err_out; |
53cdc686 JA |
935 | } |
936 | ||
002fe734 JA |
937 | /* |
938 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 939 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 940 | */ |
d1e78e6b | 941 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
942 | uint64_t all_fs; |
943 | ||
944 | fs = o->size / o->nr_files; | |
945 | all_fs = fs * o->nr_files; | |
946 | ||
947 | if (all_fs < o->size) | |
948 | nr_fs_extra = (o->size - all_fs) / bs; | |
949 | } | |
950 | ||
7bb48f84 JA |
951 | /* |
952 | * now file sizes are known, so we can set ->io_size. if size= is | |
953 | * not given, ->io_size is just equal to ->real_file_size. if size | |
954 | * is given, ->io_size is size / nr_files. | |
955 | */ | |
956 | extend_size = total_size = 0; | |
957 | need_extend = 0; | |
958 | for_each_file(td, f, i) { | |
bedc9dc2 | 959 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 960 | |
79591fa9 TK |
961 | /* |
962 | * Update ->io_size depending on options specified. | |
963 | * ->file_size_low being 0 means filesize option isn't set. | |
964 | * Non zero ->file_size_low equals ->file_size_high means | |
965 | * filesize option is set in a fixed size format. | |
966 | * Non zero ->file_size_low not equals ->file_size_high means | |
967 | * filesize option is set in a range format. | |
968 | */ | |
de98bd30 | 969 | if (!o->file_size_low) { |
7bb48f84 | 970 | /* |
79591fa9 | 971 | * no file size or range given, file size is equal to |
c4aa2d08 | 972 | * total size divided by number of files. If the size |
002fe734 JA |
973 | * doesn't divide nicely with the min blocksize, |
974 | * make the first files bigger. | |
7bb48f84 | 975 | */ |
002fe734 JA |
976 | f->io_size = fs; |
977 | if (nr_fs_extra) { | |
978 | nr_fs_extra--; | |
979 | f->io_size += bs; | |
980 | } | |
981 | ||
c4aa2d08 | 982 | /* |
c6dfd837 TK |
983 | * We normally don't come here for regular files, but |
984 | * if the result is 0 for a regular file, set it to the | |
985 | * real file size. This could be size of the existing | |
986 | * one if it already exists, but otherwise will be set | |
987 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
988 | * ->io_size + ->file_offset equals ->real_file_size. |
989 | */ | |
990 | if (!f->io_size) { | |
991 | if (f->file_offset > f->real_file_size) | |
992 | goto err_offset; | |
273f8c91 | 993 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
994 | if (!f->io_size) |
995 | log_info("fio: file %s may be ignored\n", | |
996 | f->file_name); | |
997 | } | |
de98bd30 JA |
998 | } else if (f->real_file_size < o->file_size_low || |
999 | f->real_file_size > o->file_size_high) { | |
1000 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1001 | goto err_offset; |
7bb48f84 JA |
1002 | /* |
1003 | * file size given. if it's fixed, use that. if it's a | |
1004 | * range, generate a random size in-between. | |
1005 | */ | |
de98bd30 JA |
1006 | if (o->file_size_low == o->file_size_high) |
1007 | f->io_size = o->file_size_low - f->file_offset; | |
1008 | else { | |
5ec10eaa JA |
1009 | f->io_size = get_rand_file_size(td) |
1010 | - f->file_offset; | |
1011 | } | |
65bdb10a | 1012 | } else |
bcdedd0a | 1013 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1014 | |
7bb48f84 JA |
1015 | if (f->io_size == -1ULL) |
1016 | total_size = -1ULL; | |
4d002569 | 1017 | else { |
e391c704 | 1018 | if (o->size_percent) { |
76e4bb4f SW |
1019 | uint64_t file_size; |
1020 | ||
1021 | file_size = f->io_size + f->file_offset; | |
1022 | f->io_size = (file_size * | |
1023 | o->size_percent) / 100; | |
1024 | if (f->io_size > (file_size - f->file_offset)) | |
1025 | f->io_size = file_size - f->file_offset; | |
1026 | ||
e391c704 JA |
1027 | f->io_size -= (f->io_size % td_min_bs(td)); |
1028 | } | |
7bb48f84 | 1029 | total_size += f->io_size; |
4d002569 | 1030 | } |
7bb48f84 JA |
1031 | |
1032 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 1033 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 1034 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
1035 | if (!o->create_on_open) { |
1036 | need_extend++; | |
814452bd | 1037 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1038 | fio_file_set_extend(f); |
5fd31680 | 1039 | } else |
814452bd | 1040 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1041 | } |
7bb48f84 | 1042 | } |
53cdc686 | 1043 | |
66347cfa DE |
1044 | if (td->o.block_error_hist) { |
1045 | int len; | |
1046 | ||
1047 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1048 | f = td->files[0]; | |
1049 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1050 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1051 | log_err("fio: cannot calculate block histogram with " | |
1052 | "%d trim blocks, maximum %d\n", | |
1053 | len, MAX_NR_BLOCK_INFOS); | |
1054 | td_verror(td, EINVAL, "block_error_hist"); | |
1055 | goto err_out; | |
1056 | } | |
1057 | ||
1058 | td->ts.nr_block_infos = len; | |
8a68c41c | 1059 | for (i = 0; i < len; i++) |
66347cfa DE |
1060 | td->ts.block_infos[i] = |
1061 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1062 | } else | |
1063 | td->ts.nr_block_infos = 0; | |
1064 | ||
0bc27b0b | 1065 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1066 | o->size = total_size; |
21972cde | 1067 | |
d1faa06d JA |
1068 | if (o->size < td_min_bs(td)) { |
1069 | log_err("fio: blocksize too large for data set\n"); | |
1070 | goto err_out; | |
1071 | } | |
1072 | ||
7bb48f84 | 1073 | /* |
79591fa9 TK |
1074 | * See if we need to extend some files, typically needed when our |
1075 | * target regular files don't exist yet, but our jobs require them | |
1076 | * initially due to read I/Os. | |
7bb48f84 JA |
1077 | */ |
1078 | if (need_extend) { | |
1079 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1080 | if (output_format & FIO_OUTPUT_NORMAL) { |
1081 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1082 | o->name, | |
1083 | need_extend > 1 ? "s" : "", | |
1084 | need_extend, | |
1085 | need_extend > 1 ? "s" : "", | |
1086 | need_extend > 1 ? "total " : "", | |
1087 | extend_size >> 20); | |
1088 | } | |
7bb48f84 JA |
1089 | |
1090 | for_each_file(td, f, i) { | |
5e0074c2 | 1091 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1092 | |
d6aed795 | 1093 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1094 | continue; |
1095 | ||
409b3417 | 1096 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1097 | fio_file_clear_extend(f); |
de98bd30 | 1098 | if (!o->fill_device) { |
5e0074c2 | 1099 | old_len = f->real_file_size; |
0b9d69ec JA |
1100 | extend_len = f->io_size + f->file_offset - |
1101 | old_len; | |
5e0074c2 | 1102 | } |
bcdedd0a | 1103 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1104 | err = extend_file(td, f); |
1105 | if (err) | |
3baddf24 | 1106 | break; |
5e0074c2 | 1107 | |
3baddf24 JA |
1108 | err = __file_invalidate_cache(td, f, old_len, |
1109 | extend_len); | |
9824f73b JA |
1110 | |
1111 | /* | |
1112 | * Shut up static checker | |
1113 | */ | |
1114 | if (f->fd != -1) | |
1115 | close(f->fd); | |
1116 | ||
3baddf24 JA |
1117 | f->fd = -1; |
1118 | if (err) | |
7bb48f84 JA |
1119 | break; |
1120 | } | |
1121 | temp_stall_ts = 0; | |
1122 | } | |
1123 | ||
1124 | if (err) | |
e90391eb | 1125 | goto err_out; |
7bb48f84 | 1126 | |
de98bd30 JA |
1127 | if (!o->zone_size) |
1128 | o->zone_size = o->size; | |
7bb48f84 | 1129 | |
ea966f81 JA |
1130 | /* |
1131 | * iolog already set the total io size, if we read back | |
1132 | * stored entries. | |
1133 | */ | |
77731b29 | 1134 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1135 | if (o->io_size) |
1136 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1137 | else |
1138 | td->total_io_size = o->size * o->loops; | |
1139 | } | |
25460cf6 JA |
1140 | |
1141 | done: | |
de98bd30 | 1142 | if (o->create_only) |
25460cf6 JA |
1143 | td->done = 1; |
1144 | ||
8edd973d | 1145 | td_restore_runstate(td, old_state); |
7bb48f84 | 1146 | return 0; |
bcdedd0a | 1147 | err_offset: |
de98bd30 | 1148 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1149 | err_out: |
8edd973d | 1150 | td_restore_runstate(td, old_state); |
bcdedd0a | 1151 | return 1; |
53cdc686 JA |
1152 | } |
1153 | ||
afad68f7 ZY |
1154 | int pre_read_files(struct thread_data *td) |
1155 | { | |
1156 | struct fio_file *f; | |
1157 | unsigned int i; | |
1158 | ||
1159 | dprint(FD_FILE, "pre_read files\n"); | |
1160 | ||
1161 | for_each_file(td, f, i) { | |
afe0d59a TK |
1162 | if (pre_read_file(td, f)) |
1163 | return -1; | |
afad68f7 ZY |
1164 | } |
1165 | ||
afe0d59a | 1166 | return 0; |
afad68f7 ZY |
1167 | } |
1168 | ||
9c6f6316 JA |
1169 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1170 | { | |
2316296a | 1171 | unsigned int range_size, seed; |
9c6f6316 | 1172 | unsigned long nranges; |
42da5c8b | 1173 | uint64_t fsize; |
9c6f6316 JA |
1174 | |
1175 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1176 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1177 | |
42da5c8b | 1178 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1179 | |
2316296a | 1180 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1181 | if (!td->o.rand_repeatable) |
1182 | seed = td->rand_seeds[4]; | |
1183 | ||
9c6f6316 | 1184 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1185 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1186 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1187 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1188 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1189 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1190 | |
1191 | return 1; | |
1192 | } | |
1193 | ||
1194 | static int init_rand_distribution(struct thread_data *td) | |
1195 | { | |
1196 | struct fio_file *f; | |
1197 | unsigned int i; | |
1198 | int state; | |
1199 | ||
1200 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1201 | return 0; | |
1202 | ||
8edd973d JA |
1203 | state = td_bump_runstate(td, TD_SETTING_UP); |
1204 | ||
9c6f6316 JA |
1205 | for_each_file(td, f, i) |
1206 | __init_rand_distribution(td, f); | |
8edd973d JA |
1207 | |
1208 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1209 | |
1210 | return 1; | |
1211 | } | |
1212 | ||
75f90d5f JA |
1213 | /* |
1214 | * Check if the number of blocks exceeds the randomness capability of | |
1215 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1216 | * 64-bit capable. | |
1217 | */ | |
1218 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1219 | uint64_t blocks) | |
1220 | { | |
1221 | if (blocks <= FRAND32_MAX) | |
1222 | return 0; | |
1223 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1224 | return 0; | |
1225 | ||
1226 | /* | |
1227 | * If the user hasn't specified a random generator, switch | |
1228 | * to tausworthe64 with informational warning. If the user did | |
1229 | * specify one, just warn. | |
1230 | */ | |
1231 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1232 | f->file_name); | |
1233 | ||
1234 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1235 | log_info("fio: Switching to tausworthe64. Use the " | |
1236 | "random_generator= option to get rid of this " | |
4e795a3e | 1237 | "warning.\n"); |
75f90d5f JA |
1238 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1239 | return 0; | |
1240 | } | |
1241 | ||
1242 | /* | |
1243 | * Just make this information to avoid breaking scripts. | |
1244 | */ | |
1245 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1246 | "tausworthe64.\n"); | |
1247 | return 0; | |
1248 | } | |
1249 | ||
68727076 JA |
1250 | int init_random_map(struct thread_data *td) |
1251 | { | |
51ede0b1 | 1252 | unsigned long long blocks; |
68727076 JA |
1253 | struct fio_file *f; |
1254 | unsigned int i; | |
1255 | ||
9c6f6316 JA |
1256 | if (init_rand_distribution(td)) |
1257 | return 0; | |
3831a843 | 1258 | if (!td_random(td)) |
68727076 JA |
1259 | return 0; |
1260 | ||
1261 | for_each_file(td, f, i) { | |
42da5c8b | 1262 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1263 | |
42da5c8b | 1264 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1265 | |
75f90d5f | 1266 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1267 | return 1; |
37fbd7e9 | 1268 | |
8055e41d | 1269 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1270 | unsigned long seed; |
1271 | ||
1272 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1273 | |
967d1b63 JA |
1274 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1275 | fio_file_set_lfsr(f); | |
8055e41d | 1276 | continue; |
967d1b63 | 1277 | } |
3831a843 | 1278 | } else if (!td->o.norandommap) { |
7ebd796f | 1279 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1280 | if (f->io_axmap) { |
1281 | fio_file_set_axmap(f); | |
8055e41d | 1282 | continue; |
967d1b63 | 1283 | } |
1cad7121 JA |
1284 | } else if (td->o.norandommap) |
1285 | continue; | |
ceadd59e | 1286 | |
2b386d25 | 1287 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1288 | log_err("fio: failed allocating random map. If running" |
1289 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1290 | " option or set 'softrandommap'. Or give" |
1291 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1292 | return 1; |
1293 | } | |
303032ae JA |
1294 | |
1295 | log_info("fio: file %s failed allocating random map. Running " | |
1296 | "job without.\n", f->file_name); | |
68727076 JA |
1297 | } |
1298 | ||
1299 | return 0; | |
1300 | } | |
1301 | ||
53cdc686 JA |
1302 | void close_files(struct thread_data *td) |
1303 | { | |
0ab8db89 | 1304 | struct fio_file *f; |
af52b345 | 1305 | unsigned int i; |
53cdc686 | 1306 | |
2be3eec3 JA |
1307 | for_each_file(td, f, i) { |
1308 | if (fio_file_open(f)) | |
1309 | td_io_close_file(td, f); | |
1310 | } | |
24ffd2c2 JA |
1311 | } |
1312 | ||
1313 | void close_and_free_files(struct thread_data *td) | |
1314 | { | |
1315 | struct fio_file *f; | |
1316 | unsigned int i; | |
1317 | ||
ee56ad50 JA |
1318 | dprint(FD_FILE, "close files\n"); |
1319 | ||
0ab8db89 | 1320 | for_each_file(td, f, i) { |
38ef9c90 CF |
1321 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1322 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1323 | td_io_unlink_file(td, f); | |
1324 | } | |
1325 | ||
22a57ba8 JA |
1326 | if (fio_file_open(f)) |
1327 | td_io_close_file(td, f); | |
1328 | ||
b9fbcf21 | 1329 | remove_file_hash(f); |
b3dc7f07 | 1330 | |
b5f4d8ba JA |
1331 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1332 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1333 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1334 | } |
1335 | ||
f17c4392 | 1336 | sfree(f->file_name); |
fa1da865 | 1337 | f->file_name = NULL; |
967d1b63 JA |
1338 | if (fio_file_axmap(f)) { |
1339 | axmap_free(f->io_axmap); | |
1340 | f->io_axmap = NULL; | |
1341 | } | |
78d99e6a | 1342 | sfree(f); |
53cdc686 | 1343 | } |
b4a6a59a | 1344 | |
2dc1bbeb | 1345 | td->o.filename = NULL; |
cade3ef4 | 1346 | free(td->files); |
d7df1d13 | 1347 | free(td->file_locks); |
9efef3c4 | 1348 | td->files_index = 0; |
b4a6a59a | 1349 | td->files = NULL; |
d7df1d13 | 1350 | td->file_locks = NULL; |
27ddbfa0 | 1351 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1352 | td->o.nr_files = 0; |
53cdc686 | 1353 | } |
af52b345 | 1354 | |
e3bab463 | 1355 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1356 | { |
1357 | struct stat sb; | |
1358 | ||
66159828 JA |
1359 | if (!strcmp(f->file_name, "-")) |
1360 | f->filetype = FIO_TYPE_PIPE; | |
1361 | else | |
1362 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1363 | |
d5b78f5a | 1364 | #ifdef WIN32 |
3892182a BC |
1365 | /* \\.\ is the device namespace in Windows, where every file is |
1366 | * a block device */ | |
1367 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1368 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1369 | #endif |
3892182a | 1370 | |
b30d395e | 1371 | if (!stat(f->file_name, &sb)) { |
3892182a | 1372 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1373 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1374 | else if (S_ISCHR(sb.st_mode)) |
1375 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1376 | else if (S_ISFIFO(sb.st_mode)) |
1377 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1378 | } |
1379 | } | |
1380 | ||
1b2a83dc | 1381 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1382 | { |
90426237 | 1383 | struct flist_head *entry; |
1b2a83dc | 1384 | bool ret; |
bcbfeefa | 1385 | |
1b2a83dc JA |
1386 | ret = file_bloom_exists(fname, set); |
1387 | if (!ret) | |
1388 | return ret; | |
90426237 JA |
1389 | |
1390 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1391 | struct file_name *fn; |
90426237 | 1392 | |
04d6530f JA |
1393 | fn = flist_entry(entry, struct file_name, list); |
1394 | ||
1395 | if (!strcmp(fn->filename, fname)) | |
1396 | return true; | |
90426237 JA |
1397 | } |
1398 | ||
04d6530f | 1399 | return false; |
bcbfeefa CE |
1400 | } |
1401 | ||
04d6530f | 1402 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1403 | { |
04d6530f | 1404 | bool ret; |
bcbfeefa | 1405 | |
90426237 | 1406 | fio_file_hash_lock(); |
1b2a83dc | 1407 | ret = __is_already_allocated(fname, false); |
90426237 | 1408 | fio_file_hash_unlock(); |
04d6530f | 1409 | |
90426237 JA |
1410 | return ret; |
1411 | } | |
bcbfeefa | 1412 | |
90426237 JA |
1413 | static void set_already_allocated(const char *fname) |
1414 | { | |
1415 | struct file_name *fn; | |
1416 | ||
1417 | fn = malloc(sizeof(struct file_name)); | |
1418 | fn->filename = strdup(fname); | |
1419 | ||
1420 | fio_file_hash_lock(); | |
1b2a83dc | 1421 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1422 | flist_add_tail(&fn->list, &filename_list); |
1423 | fn = NULL; | |
bcbfeefa | 1424 | } |
90426237 | 1425 | fio_file_hash_unlock(); |
bcbfeefa | 1426 | |
90426237 JA |
1427 | if (fn) { |
1428 | free(fn->filename); | |
1429 | free(fn); | |
1430 | } | |
bcbfeefa CE |
1431 | } |
1432 | ||
190b8f0c CF |
1433 | static void free_already_allocated(void) |
1434 | { | |
bcbfeefa CE |
1435 | struct flist_head *entry, *tmp; |
1436 | struct file_name *fn; | |
1437 | ||
90426237 JA |
1438 | if (flist_empty(&filename_list)) |
1439 | return; | |
1440 | ||
1441 | fio_file_hash_lock(); | |
1442 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1443 | fn = flist_entry(entry, struct file_name, list); | |
1444 | free(fn->filename); | |
1445 | flist_del(&fn->list); | |
1446 | free(fn); | |
bcbfeefa | 1447 | } |
90426237 JA |
1448 | |
1449 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1450 | } |
1451 | ||
7b5cb700 JA |
1452 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1453 | { | |
1454 | struct fio_file *f; | |
1455 | ||
1456 | f = smalloc(sizeof(*f)); | |
1457 | if (!f) { | |
7b5cb700 JA |
1458 | assert(0); |
1459 | return NULL; | |
1460 | } | |
1461 | ||
1462 | f->fd = -1; | |
1463 | f->shadow_fd = -1; | |
1464 | fio_file_reset(td, f); | |
1465 | return f; | |
1466 | } | |
1467 | ||
04d6530f JA |
1468 | bool exists_and_not_regfile(const char *filename) |
1469 | { | |
1470 | struct stat sb; | |
1471 | ||
1472 | if (lstat(filename, &sb) == -1) | |
1473 | return false; | |
1474 | ||
1475 | #ifndef WIN32 /* NOT Windows */ | |
1476 | if (S_ISREG(sb.st_mode)) | |
1477 | return false; | |
1478 | #else | |
1479 | /* \\.\ is the device namespace in Windows, where every file | |
1480 | * is a device node */ | |
1481 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1482 | return false; | |
1483 | #endif | |
1484 | ||
1485 | return true; | |
1486 | } | |
1487 | ||
5903e7b7 | 1488 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1489 | { |
7b4e4fe5 | 1490 | int cur_files = td->files_index; |
bd0ee748 | 1491 | char file_name[PATH_MAX]; |
af52b345 | 1492 | struct fio_file *f; |
bd0ee748 | 1493 | int len = 0; |
af52b345 | 1494 | |
ee56ad50 JA |
1495 | dprint(FD_FILE, "add file %s\n", fname); |
1496 | ||
bcbfeefa | 1497 | if (td->o.directory) |
922a5be8 JA |
1498 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1499 | td->o.unique_filename); | |
bcbfeefa CE |
1500 | |
1501 | sprintf(file_name + len, "%s", fname); | |
1502 | ||
1503 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1504 | if (numjob && is_already_allocated(file_name) && |
1505 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1506 | return 0; |
1507 | ||
7b5cb700 | 1508 | f = alloc_new_file(td); |
bd0ee748 | 1509 | |
fc99bc0d | 1510 | if (td->files_size <= td->files_index) { |
1983e327 | 1511 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1512 | |
fc99bc0d JA |
1513 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1514 | ||
1515 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1516 | if (td->files == NULL) { |
1517 | log_err("fio: realloc OOM\n"); | |
1518 | assert(0); | |
1519 | } | |
d7df1d13 JA |
1520 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1521 | td->file_locks = realloc(td->file_locks, new_size); | |
1522 | if (!td->file_locks) { | |
1523 | log_err("fio: realloc OOM\n"); | |
1524 | assert(0); | |
1525 | } | |
1526 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1527 | } | |
fc99bc0d JA |
1528 | td->files_size = new_size; |
1529 | } | |
8bb7679e | 1530 | td->files[cur_files] = f; |
89ac1d48 | 1531 | f->fileno = cur_files; |
126d65c6 | 1532 | |
07eb79df JA |
1533 | /* |
1534 | * init function, io engine may not be loaded yet | |
1535 | */ | |
9b87f09b | 1536 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1537 | f->real_file_size = -1ULL; |
1538 | ||
f17c4392 | 1539 | f->file_name = smalloc_strdup(file_name); |
81b3c86f | 1540 | if (!f->file_name) |
c48c0be7 | 1541 | assert(0); |
0b9d69ec | 1542 | |
e3bab463 | 1543 | get_file_type(f); |
af52b345 | 1544 | |
4d4e80f2 JA |
1545 | switch (td->o.file_lock_mode) { |
1546 | case FILE_LOCK_NONE: | |
1547 | break; | |
1548 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1549 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1550 | break; |
1551 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1552 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1553 | break; |
1554 | default: | |
1555 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1556 | assert(0); | |
1557 | } | |
29c1349f | 1558 | |
7b4e4fe5 | 1559 | td->files_index++; |
1549441c JA |
1560 | if (f->filetype == FIO_TYPE_FILE) |
1561 | td->nr_normal_files++; | |
f29b25a3 | 1562 | |
bcbfeefa CE |
1563 | set_already_allocated(file_name); |
1564 | ||
5903e7b7 JA |
1565 | if (inc) |
1566 | td->o.nr_files++; | |
1567 | ||
5ec10eaa JA |
1568 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1569 | cur_files); | |
9efef3c4 | 1570 | |
f29b25a3 | 1571 | return cur_files; |
af52b345 | 1572 | } |
0ad920e7 | 1573 | |
49ffb4a2 JA |
1574 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1575 | { | |
1576 | struct fio_file *f; | |
1577 | unsigned int i; | |
1578 | ||
1579 | for_each_file(td, f, i) { | |
1580 | if (!strcmp(f->file_name, fname)) | |
1581 | return i; | |
1582 | } | |
1583 | ||
5903e7b7 | 1584 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1585 | } |
1586 | ||
0ad920e7 JA |
1587 | void get_file(struct fio_file *f) |
1588 | { | |
8172fe97 | 1589 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1590 | assert(fio_file_open(f)); |
0ad920e7 JA |
1591 | f->references++; |
1592 | } | |
1593 | ||
6977bcd0 | 1594 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1595 | { |
98e1ac4e | 1596 | int f_ret = 0, ret = 0; |
6977bcd0 | 1597 | |
8172fe97 | 1598 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1599 | |
22a57ba8 JA |
1600 | if (!fio_file_open(f)) { |
1601 | assert(f->fd == -1); | |
6977bcd0 | 1602 | return 0; |
22a57ba8 | 1603 | } |
0ad920e7 JA |
1604 | |
1605 | assert(f->references); | |
1606 | if (--f->references) | |
6977bcd0 | 1607 | return 0; |
0ad920e7 | 1608 | |
71b84caa | 1609 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1610 | f_ret = fsync(f->fd); |
71b84caa JA |
1611 | if (f_ret < 0) |
1612 | f_ret = errno; | |
1613 | } | |
ebb1415f | 1614 | |
0ad920e7 | 1615 | if (td->io_ops->close_file) |
6977bcd0 | 1616 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1617 | |
98e1ac4e | 1618 | if (!ret) |
a5fb461f | 1619 | ret = f_ret; |
98e1ac4e | 1620 | |
0ad920e7 | 1621 | td->nr_open_files--; |
d6aed795 | 1622 | fio_file_clear_open(f); |
22a57ba8 | 1623 | assert(f->fd == -1); |
6977bcd0 | 1624 | return ret; |
0ad920e7 | 1625 | } |
bbf6b540 | 1626 | |
4d4e80f2 | 1627 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1628 | { |
4d4e80f2 JA |
1629 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1630 | return; | |
29c1349f | 1631 | |
4d4e80f2 JA |
1632 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1633 | if (ddir == DDIR_READ) | |
d7df1d13 | 1634 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1635 | else |
d7df1d13 | 1636 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1637 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1638 | fio_mutex_down(f->lock); | |
1639 | ||
d7df1d13 | 1640 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1641 | } |
1642 | ||
4d4e80f2 | 1643 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1644 | { |
4d4e80f2 JA |
1645 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1646 | return; | |
4d4e80f2 | 1647 | |
d7df1d13 JA |
1648 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1649 | fio_rwlock_unlock(f->rwlock); | |
1650 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1651 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1652 | |
1653 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1654 | } |
1655 | ||
4d4e80f2 JA |
1656 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1657 | { | |
f2a2803a | 1658 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1659 | return; |
d7df1d13 JA |
1660 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1661 | unlock_file(td, f); | |
4d4e80f2 JA |
1662 | } |
1663 | ||
bbf6b540 JA |
1664 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1665 | { | |
1666 | struct dirent *dir; | |
1667 | int ret = 0; | |
1668 | DIR *D; | |
1669 | ||
1670 | D = opendir(dirname); | |
1671 | if (!D) { | |
0ddb270c JA |
1672 | char buf[FIO_VERROR_SIZE]; |
1673 | ||
98ffb8f3 | 1674 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1675 | td_verror(td, errno, buf); |
bbf6b540 JA |
1676 | return 1; |
1677 | } | |
1678 | ||
1679 | while ((dir = readdir(D)) != NULL) { | |
1680 | char full_path[PATH_MAX]; | |
1681 | struct stat sb; | |
1682 | ||
e85b2b83 JA |
1683 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1684 | continue; | |
96d32d51 | 1685 | |
b9fd788f | 1686 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1687 | |
1688 | if (lstat(full_path, &sb) == -1) { | |
1689 | if (errno != ENOENT) { | |
1690 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1691 | ret = 1; |
1692 | break; | |
bbf6b540 JA |
1693 | } |
1694 | } | |
1695 | ||
1696 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1697 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1698 | continue; |
1699 | } | |
0ddb270c JA |
1700 | if (!S_ISDIR(sb.st_mode)) |
1701 | continue; | |
bbf6b540 | 1702 | |
5ec10eaa JA |
1703 | ret = recurse_dir(td, full_path); |
1704 | if (ret) | |
bbf6b540 JA |
1705 | break; |
1706 | } | |
1707 | ||
1708 | closedir(D); | |
1709 | return ret; | |
1710 | } | |
1711 | ||
1712 | int add_dir_files(struct thread_data *td, const char *path) | |
1713 | { | |
0ddb270c JA |
1714 | int ret = recurse_dir(td, path); |
1715 | ||
1716 | if (!ret) | |
1717 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1718 | ||
1719 | return ret; | |
bbf6b540 | 1720 | } |
cade3ef4 JA |
1721 | |
1722 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1723 | { | |
1724 | struct fio_file *f; | |
1725 | unsigned int i; | |
9efef3c4 JA |
1726 | |
1727 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1728 | |
1729 | if (!org->files) | |
1730 | return; | |
1731 | ||
9efef3c4 | 1732 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1733 | |
d7df1d13 JA |
1734 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1735 | td->file_locks = malloc(org->files_index); | |
1736 | ||
9efef3c4 | 1737 | for_each_file(org, f, i) { |
b0fe421a JA |
1738 | struct fio_file *__f; |
1739 | ||
7b5cb700 | 1740 | __f = alloc_new_file(td); |
0b9d69ec | 1741 | |
bc3456fa | 1742 | if (f->file_name) { |
f17c4392 | 1743 | __f->file_name = smalloc_strdup(f->file_name); |
81b3c86f | 1744 | if (!__f->file_name) |
c48c0be7 | 1745 | assert(0); |
0b9d69ec | 1746 | |
bc3456fa AC |
1747 | __f->filetype = f->filetype; |
1748 | } | |
b0fe421a | 1749 | |
67ad9242 JA |
1750 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1751 | __f->lock = f->lock; | |
1752 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1753 | __f->rwlock = f->rwlock; | |
1754 | ||
b0fe421a | 1755 | td->files[i] = __f; |
cade3ef4 JA |
1756 | } |
1757 | } | |
f29b25a3 JA |
1758 | |
1759 | /* | |
1760 | * Returns the index that matches the filename, or -1 if not there | |
1761 | */ | |
1762 | int get_fileno(struct thread_data *td, const char *fname) | |
1763 | { | |
1764 | struct fio_file *f; | |
1765 | unsigned int i; | |
1766 | ||
1767 | for_each_file(td, f, i) | |
1768 | if (!strcmp(f->file_name, fname)) | |
1769 | return i; | |
1770 | ||
1771 | return -1; | |
1772 | } | |
1773 | ||
1774 | /* | |
1775 | * For log usage, where we add/open/close files automatically | |
1776 | */ | |
1777 | void free_release_files(struct thread_data *td) | |
1778 | { | |
1779 | close_files(td); | |
66ee4002 JA |
1780 | td->o.nr_files = 0; |
1781 | td->o.open_files = 0; | |
f29b25a3 JA |
1782 | td->files_index = 0; |
1783 | td->nr_normal_files = 0; | |
1784 | } | |
33c48814 JA |
1785 | |
1786 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1787 | { | |
f1dfb668 JA |
1788 | int i; |
1789 | ||
1790 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1791 | f->last_pos[i] = f->file_offset; | |
1792 | f->last_start[i] = -1ULL; | |
1793 | } | |
1794 | ||
967d1b63 | 1795 | if (fio_file_axmap(f)) |
33c48814 | 1796 | axmap_reset(f->io_axmap); |
967d1b63 | 1797 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1798 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1799 | } | |
002fe734 | 1800 | |
747b3105 | 1801 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1802 | { |
1803 | struct fio_file *f; | |
1804 | unsigned int i; | |
1805 | ||
1806 | for_each_file(td, f, i) | |
1807 | if (!fio_file_done(f)) | |
747b3105 | 1808 | return false; |
002fe734 | 1809 | |
747b3105 | 1810 | return true; |
002fe734 | 1811 | } |
bcbfeefa CE |
1812 | |
1813 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1814 | void filesetup_mem_free(void) |
1815 | { | |
bcbfeefa CE |
1816 | free_already_allocated(); |
1817 | } |