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 | |
2dc1bbeb | 162 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
84af30a1 TK |
163 | if (!b) { |
164 | td_verror(td, errno, "malloc"); | |
165 | goto err; | |
166 | } | |
53cdc686 | 167 | |
7bb48f84 | 168 | left = f->real_file_size; |
53cdc686 | 169 | while (left && !td->terminate) { |
2dc1bbeb | 170 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
171 | if (bs > left) |
172 | bs = left; | |
173 | ||
cc86c395 JA |
174 | fill_io_buffer(td, b, bs, bs); |
175 | ||
53cdc686 JA |
176 | r = write(f->fd, b, bs); |
177 | ||
5e0074c2 JA |
178 | if (r > 0) { |
179 | left -= r; | |
53cdc686 JA |
180 | continue; |
181 | } else { | |
5e0074c2 JA |
182 | if (r < 0) { |
183 | int __e = errno; | |
184 | ||
185 | if (__e == ENOSPC) { | |
186 | if (td->o.fill_device) | |
187 | break; | |
188 | log_info("fio: ENOSPC on laying out " | |
189 | "file, stopping\n"); | |
190 | break; | |
191 | } | |
e1161c32 | 192 | td_verror(td, errno, "write"); |
5e0074c2 | 193 | } else |
e1161c32 | 194 | td_verror(td, EIO, "write"); |
53cdc686 JA |
195 | |
196 | break; | |
197 | } | |
198 | } | |
199 | ||
ffdfabd4 JA |
200 | if (td->terminate) { |
201 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 202 | td_io_unlink_file(td, f); |
ffdfabd4 | 203 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
204 | if (fsync(f->fd) < 0) { |
205 | td_verror(td, errno, "fsync"); | |
206 | goto err; | |
207 | } | |
208 | } | |
0d1cd207 | 209 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 210 | fio_file_clear_size_known(f); |
5e0074c2 JA |
211 | if (td_io_get_file_size(td, f)) |
212 | goto err; | |
213 | if (f->io_size > f->real_file_size) | |
214 | f->io_size = f->real_file_size; | |
215 | } | |
53cdc686 JA |
216 | |
217 | free(b); | |
507a702f | 218 | done: |
53cdc686 JA |
219 | return 0; |
220 | err: | |
221 | close(f->fd); | |
222 | f->fd = -1; | |
f3e1eb23 JA |
223 | if (b) |
224 | free(b); | |
53cdc686 JA |
225 | return 1; |
226 | } | |
227 | ||
afad68f7 ZY |
228 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
229 | { | |
ef799a64 | 230 | int ret = 0, r, did_open = 0, old_runstate; |
afad68f7 ZY |
231 | unsigned long long left; |
232 | unsigned int bs; | |
233 | char *b; | |
234 | ||
9b87f09b | 235 | if (td_ioengine_flagged(td, FIO_PIPEIO)) |
9c0d2241 JA |
236 | return 0; |
237 | ||
d6aed795 | 238 | if (!fio_file_open(f)) { |
b0f65863 JA |
239 | if (td->io_ops->open_file(td, f)) { |
240 | log_err("fio: cannot pre-read, failed to open file\n"); | |
241 | return 1; | |
242 | } | |
243 | did_open = 1; | |
244 | } | |
245 | ||
8edd973d | 246 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 247 | |
afad68f7 ZY |
248 | bs = td->o.max_bs[DDIR_READ]; |
249 | b = malloc(bs); | |
84af30a1 TK |
250 | if (!b) { |
251 | td_verror(td, errno, "malloc"); | |
252 | ret = 1; | |
253 | goto error; | |
254 | } | |
afad68f7 ZY |
255 | memset(b, 0, bs); |
256 | ||
ef799a64 JA |
257 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
258 | td_verror(td, errno, "lseek"); | |
259 | log_err("fio: failed to lseek pre-read file\n"); | |
260 | ret = 1; | |
261 | goto error; | |
262 | } | |
263 | ||
afad68f7 ZY |
264 | left = f->io_size; |
265 | ||
266 | while (left && !td->terminate) { | |
267 | if (bs > left) | |
268 | bs = left; | |
269 | ||
270 | r = read(f->fd, b, bs); | |
271 | ||
272 | if (r == (int) bs) { | |
273 | left -= bs; | |
274 | continue; | |
275 | } else { | |
276 | td_verror(td, EIO, "pre_read"); | |
277 | break; | |
278 | } | |
279 | } | |
280 | ||
ef799a64 | 281 | error: |
8edd973d | 282 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
283 | |
284 | if (did_open) | |
285 | td->io_ops->close_file(td, f); | |
ef799a64 | 286 | |
afad68f7 | 287 | free(b); |
ef799a64 | 288 | return ret; |
afad68f7 ZY |
289 | } |
290 | ||
a3f001f5 | 291 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 292 | { |
dc873b6f | 293 | unsigned long long ret, sized; |
c3546b53 | 294 | uint64_t frand_max; |
1294c3ec | 295 | unsigned long r; |
9c60ce64 | 296 | |
c3546b53 | 297 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 298 | r = __rand(&td->file_size_state); |
54a21917 | 299 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 300 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 301 | ret += td->o.file_size_low; |
2dc1bbeb | 302 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
303 | return ret; |
304 | } | |
305 | ||
53cdc686 JA |
306 | static int file_size(struct thread_data *td, struct fio_file *f) |
307 | { | |
308 | struct stat st; | |
309 | ||
df9c26b1 | 310 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
311 | td_verror(td, errno, "fstat"); |
312 | return 1; | |
313 | } | |
53cdc686 | 314 | |
7bb48f84 | 315 | f->real_file_size = st.st_size; |
53cdc686 JA |
316 | return 0; |
317 | } | |
318 | ||
319 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
320 | { | |
9b836561 | 321 | unsigned long long bytes = 0; |
53cdc686 JA |
322 | int r; |
323 | ||
df9c26b1 JA |
324 | if (td->io_ops->open_file(td, f)) { |
325 | log_err("fio: failed opening blockdev %s for size check\n", | |
326 | f->file_name); | |
327 | return 1; | |
328 | } | |
329 | ||
ecc314ba | 330 | r = blockdev_size(f, &bytes); |
53cdc686 | 331 | if (r) { |
e1161c32 | 332 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 333 | goto err; |
53cdc686 JA |
334 | } |
335 | ||
7ab077ab JA |
336 | if (!bytes) { |
337 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 338 | goto err; |
7ab077ab JA |
339 | } |
340 | ||
53cdc686 | 341 | f->real_file_size = bytes; |
22a57ba8 | 342 | td->io_ops->close_file(td, f); |
53cdc686 | 343 | return 0; |
df9c26b1 JA |
344 | err: |
345 | td->io_ops->close_file(td, f); | |
346 | return 1; | |
53cdc686 JA |
347 | } |
348 | ||
4ccdccd1 JA |
349 | static int char_size(struct thread_data *td, struct fio_file *f) |
350 | { | |
351 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 352 | unsigned long long bytes = 0; |
4ccdccd1 JA |
353 | int r; |
354 | ||
355 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 356 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
357 | f->file_name); |
358 | return 1; | |
359 | } | |
360 | ||
ecc314ba | 361 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
362 | if (r) { |
363 | td_verror(td, r, "chardev_size"); | |
364 | goto err; | |
365 | } | |
366 | ||
367 | if (!bytes) { | |
368 | log_err("%s: zero sized char device?\n", f->file_name); | |
369 | goto err; | |
370 | } | |
371 | ||
372 | f->real_file_size = bytes; | |
373 | td->io_ops->close_file(td, f); | |
374 | return 0; | |
375 | err: | |
376 | td->io_ops->close_file(td, f); | |
377 | return 1; | |
378 | #else | |
379 | f->real_file_size = -1ULL; | |
380 | return 0; | |
381 | #endif | |
382 | } | |
383 | ||
53cdc686 JA |
384 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
385 | { | |
386 | int ret = 0; | |
387 | ||
d6aed795 | 388 | if (fio_file_size_known(f)) |
409b3417 JA |
389 | return 0; |
390 | ||
7bb48f84 JA |
391 | if (f->filetype == FIO_TYPE_FILE) |
392 | ret = file_size(td, f); | |
686fbd31 | 393 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 394 | ret = bdev_size(td, f); |
4ccdccd1 JA |
395 | else if (f->filetype == FIO_TYPE_CHAR) |
396 | ret = char_size(td, f); | |
0f34169a TK |
397 | else |
398 | f->real_file_size = -1ULL; | |
53cdc686 | 399 | |
79591fa9 TK |
400 | /* |
401 | * Leave ->real_file_size with 0 since it could be expectation | |
402 | * of initial setup for regular files. | |
403 | */ | |
a0cb220b | 404 | if (ret) |
53cdc686 JA |
405 | return ret; |
406 | ||
0f34169a TK |
407 | /* |
408 | * If ->real_file_size is -1, a conditional for the message | |
409 | * "offset extends end" is always true, but it makes no sense, | |
410 | * so just return the same value here. | |
411 | */ | |
412 | if (f->real_file_size == -1ULL) { | |
413 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
414 | f->file_name); | |
415 | return 1; | |
416 | } | |
417 | ||
418 | if (td->o.start_offset && f->file_offset == 0) | |
419 | dprint(FD_FILE, "offset of file %s not initialized yet\n", | |
420 | f->file_name); | |
957c81b9 TK |
421 | /* |
422 | * ->file_offset normally hasn't been initialized yet, so this | |
0f34169a | 423 | * is basically always false. |
957c81b9 | 424 | */ |
53cdc686 | 425 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 426 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
427 | (unsigned long long) f->file_offset, |
428 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
429 | return 1; |
430 | } | |
431 | ||
d6aed795 | 432 | fio_file_set_size_known(f); |
53cdc686 JA |
433 | return 0; |
434 | } | |
435 | ||
3baddf24 JA |
436 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
437 | unsigned long long off, | |
438 | unsigned long long len) | |
e5b401d4 | 439 | { |
942a851a | 440 | int errval = 0, ret = 0; |
e5b401d4 | 441 | |
c8931876 JA |
442 | #ifdef CONFIG_ESX |
443 | return 0; | |
444 | #endif | |
445 | ||
5e0074c2 | 446 | if (len == -1ULL) |
3baddf24 JA |
447 | len = f->io_size; |
448 | if (off == -1ULL) | |
449 | off = f->file_offset; | |
ee56ad50 | 450 | |
0d1cd207 JA |
451 | if (len == -1ULL || off == -1ULL) |
452 | return 0; | |
453 | ||
942a851a | 454 | if (td->io_ops->invalidate) { |
4499dbef TK |
455 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
456 | f->file_name); | |
d9b100fc | 457 | ret = td->io_ops->invalidate(td, f); |
942a851a | 458 | if (ret < 0) |
afd118db | 459 | errval = -ret; |
942a851a | 460 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
461 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
462 | f->file_name, off, len); | |
ecc314ba | 463 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 464 | if (ret) |
942a851a | 465 | errval = ret; |
686fbd31 | 466 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
467 | int retry_count = 0; |
468 | ||
4499dbef | 469 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 470 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
471 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
472 | /* | |
473 | * Linux multipath devices reject ioctl while | |
474 | * the maps are being updated. That window can | |
475 | * last tens of milliseconds; we'll try up to | |
476 | * a quarter of a second. | |
477 | */ | |
478 | usleep(10000); | |
479 | ret = blockdev_invalidate_cache(f); | |
480 | } | |
7e0e25c9 | 481 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 482 | if (!root_warn) { |
5ec10eaa JA |
483 | log_err("fio: only root may flush block " |
484 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
485 | root_warn = 1; |
486 | } | |
7e0e25c9 JA |
487 | ret = 0; |
488 | } | |
942a851a JA |
489 | if (ret < 0) |
490 | errval = errno; | |
22de5d77 TK |
491 | else if (ret) /* probably not supported */ |
492 | errval = ret; | |
4499dbef TK |
493 | } else if (f->filetype == FIO_TYPE_CHAR || |
494 | f->filetype == FIO_TYPE_PIPE) { | |
495 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
e5b401d4 | 496 | ret = 0; |
4499dbef | 497 | } |
e5b401d4 | 498 | |
dfe11fd1 JA |
499 | /* |
500 | * Cache flushing isn't a fatal condition, and we know it will | |
501 | * happen on some platforms where we don't have the proper | |
502 | * function to flush eg block device caches. So just warn and | |
503 | * continue on our way. | |
504 | */ | |
942a851a | 505 | if (errval) |
22de5d77 TK |
506 | log_info("fio: cache invalidation of %s failed: %s\n", |
507 | f->file_name, strerror(errval)); | |
e5b401d4 | 508 | |
dfe11fd1 | 509 | return 0; |
3baddf24 JA |
510 | |
511 | } | |
512 | ||
513 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
514 | { | |
d6aed795 | 515 | if (!fio_file_open(f)) |
a5fb461f JA |
516 | return 0; |
517 | ||
5e0074c2 | 518 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
519 | } |
520 | ||
6977bcd0 | 521 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 522 | { |
6977bcd0 JA |
523 | int ret = 0; |
524 | ||
ee56ad50 | 525 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
526 | |
527 | remove_file_hash(f); | |
528 | ||
6977bcd0 JA |
529 | if (close(f->fd) < 0) |
530 | ret = errno; | |
531 | ||
b5af8293 | 532 | f->fd = -1; |
e6c4d732 JA |
533 | |
534 | if (f->shadow_fd != -1) { | |
535 | close(f->shadow_fd); | |
536 | f->shadow_fd = -1; | |
537 | } | |
538 | ||
710bf9c5 | 539 | f->engine_pos = 0; |
6977bcd0 | 540 | return ret; |
53cdc686 JA |
541 | } |
542 | ||
1ccc6dc7 | 543 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 544 | { |
29c1349f | 545 | struct fio_file *__f; |
4d4e80f2 JA |
546 | int from_hash; |
547 | ||
548 | __f = lookup_file_hash(f->file_name); | |
549 | if (__f) { | |
9efef3c4 | 550 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 551 | f->lock = __f->lock; |
4d4e80f2 JA |
552 | from_hash = 1; |
553 | } else { | |
9efef3c4 | 554 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
555 | from_hash = 0; |
556 | } | |
557 | ||
9c0f3f32 BC |
558 | #ifdef WIN32 |
559 | flags |= _O_BINARY; | |
560 | #endif | |
561 | ||
e8670ef8 | 562 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
563 | return from_hash; |
564 | } | |
565 | ||
e6c4d732 JA |
566 | static int file_close_shadow_fds(struct thread_data *td) |
567 | { | |
568 | struct fio_file *f; | |
569 | int num_closed = 0; | |
570 | unsigned int i; | |
571 | ||
572 | for_each_file(td, f, i) { | |
573 | if (f->shadow_fd == -1) | |
574 | continue; | |
575 | ||
576 | close(f->shadow_fd); | |
577 | f->shadow_fd = -1; | |
578 | num_closed++; | |
579 | } | |
580 | ||
581 | return num_closed; | |
582 | } | |
583 | ||
4d4e80f2 JA |
584 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
585 | { | |
66159828 | 586 | int is_std = 0; |
53cdc686 | 587 | int flags = 0; |
29c1349f | 588 | int from_hash = 0; |
53cdc686 | 589 | |
ee56ad50 JA |
590 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
591 | ||
66159828 JA |
592 | if (!strcmp(f->file_name, "-")) { |
593 | if (td_rw(td)) { | |
594 | log_err("fio: can't read/write to stdin/out\n"); | |
595 | return 1; | |
596 | } | |
597 | is_std = 1; | |
ce98fa66 JA |
598 | |
599 | /* | |
600 | * move output logging to stderr, if we are writing to stdout | |
601 | */ | |
602 | if (td_write(td)) | |
603 | f_out = stderr; | |
66159828 JA |
604 | } |
605 | ||
6eaf09d6 SL |
606 | if (td_trim(td)) |
607 | goto skip_flags; | |
2dc1bbeb | 608 | if (td->o.odirect) |
2fd233b7 | 609 | flags |= OS_O_DIRECT; |
d01612f3 CM |
610 | if (td->o.oatomic) { |
611 | if (!FIO_O_ATOMIC) { | |
612 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
613 | return 1; | |
614 | } | |
615 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
616 | } | |
2dc1bbeb | 617 | if (td->o.sync_io) |
2fd233b7 | 618 | flags |= O_SYNC; |
2378826d | 619 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 620 | flags |= O_CREAT; |
6eaf09d6 SL |
621 | skip_flags: |
622 | if (f->filetype != FIO_TYPE_FILE) | |
623 | flags |= FIO_O_NOATIME; | |
53cdc686 | 624 | |
056f3459 | 625 | open_again: |
660a1cb5 | 626 | if (td_write(td)) { |
17308158 JA |
627 | if (!read_only) |
628 | flags |= O_RDWR; | |
53cdc686 | 629 | |
2378826d | 630 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 631 | flags |= O_CREAT; |
2fd233b7 | 632 | |
66159828 JA |
633 | if (is_std) |
634 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
635 | else |
636 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 637 | } else if (td_read(td)) { |
4241ea8f | 638 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
639 | flags |= O_RDWR; |
640 | else | |
641 | flags |= O_RDONLY; | |
642 | ||
66159828 JA |
643 | if (is_std) |
644 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
645 | else |
646 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
647 | } else if (td_trim(td)) { |
648 | assert(!td_rw(td)); /* should have matched above */ | |
6eaf09d6 SL |
649 | flags |= O_RDWR; |
650 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
651 | } |
652 | ||
653 | if (f->fd == -1) { | |
e4e33258 | 654 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
655 | int __e = errno; |
656 | ||
835d9b9e | 657 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 658 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
659 | goto open_again; |
660 | } | |
e6c4d732 JA |
661 | if (__e == EMFILE && file_close_shadow_fds(td)) |
662 | goto open_again; | |
056f3459 | 663 | |
98ffb8f3 | 664 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 665 | |
a93c5f04 JA |
666 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
667 | log_err("fio: looks like your file system does not " \ | |
668 | "support direct=1/buffered=0\n"); | |
669 | } | |
670 | ||
e4e33258 | 671 | td_verror(td, __e, buf); |
3ce3ad33 | 672 | return 1; |
53cdc686 JA |
673 | } |
674 | ||
29c1349f JA |
675 | if (!from_hash && f->fd != -1) { |
676 | if (add_file_hash(f)) { | |
3f0ca9b9 | 677 | int fio_unused ret; |
29c1349f JA |
678 | |
679 | /* | |
e6c4d732 JA |
680 | * Stash away descriptor for later close. This is to |
681 | * work-around a "feature" on Linux, where a close of | |
682 | * an fd that has been opened for write will trigger | |
683 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 684 | * That pollutes the device cache, which can slow down |
e6c4d732 | 685 | * unbuffered accesses. |
29c1349f | 686 | */ |
e6c4d732 JA |
687 | if (f->shadow_fd == -1) |
688 | f->shadow_fd = f->fd; | |
689 | else { | |
690 | /* | |
691 | * OK to ignore, we haven't done anything | |
692 | * with it | |
693 | */ | |
694 | ret = generic_close_file(td, f); | |
695 | } | |
29c1349f JA |
696 | goto open_again; |
697 | } | |
698 | } | |
4906e0b5 | 699 | |
53cdc686 | 700 | return 0; |
b5af8293 JA |
701 | } |
702 | ||
79591fa9 TK |
703 | /* |
704 | * This function i.e. get_file_size() is the default .get_file_size | |
705 | * implementation of majority of I/O engines. | |
706 | */ | |
df9c26b1 | 707 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 708 | { |
df9c26b1 | 709 | return get_file_size(td, f); |
21972cde JA |
710 | } |
711 | ||
7bb48f84 JA |
712 | /* |
713 | * open/close all files, so that ->real_file_size gets set | |
714 | */ | |
bab3fd58 | 715 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
716 | { |
717 | struct fio_file *f; | |
718 | unsigned int i; | |
bab3fd58 | 719 | int err = 0; |
7bb48f84 JA |
720 | |
721 | for_each_file(td, f, i) { | |
08c44a55 | 722 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 723 | f->file_name); |
9efef3c4 | 724 | |
99a47c69 | 725 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
726 | if (td->error != ENOENT) { |
727 | log_err("%s\n", td->verror); | |
728 | err = 1; | |
3ce3ad33 | 729 | break; |
40b44f4a | 730 | } |
541d66d7 | 731 | clear_error(td); |
07eb79df | 732 | } |
409b3417 | 733 | |
79591fa9 TK |
734 | /* |
735 | * There are corner cases where we end up with -1 for | |
736 | * ->real_file_size due to unsupported file type, etc. | |
737 | * We then just set to size option value divided by number | |
738 | * of files, similar to the way file ->io_size is set. | |
739 | * stat(2) failure doesn't set ->real_file_size to -1. | |
740 | */ | |
409b3417 JA |
741 | if (f->real_file_size == -1ULL && td->o.size) |
742 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 743 | } |
bab3fd58 JA |
744 | |
745 | return err; | |
7bb48f84 JA |
746 | } |
747 | ||
2e3bd4c2 JA |
748 | struct fio_mount { |
749 | struct flist_head list; | |
750 | const char *base; | |
751 | char __base[256]; | |
752 | unsigned int key; | |
753 | }; | |
754 | ||
755 | /* | |
756 | * Get free number of bytes for each file on each unique mount. | |
757 | */ | |
758 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
759 | { | |
760 | struct flist_head *n, *tmp; | |
68b0316f | 761 | unsigned long long ret = 0; |
2e3bd4c2 JA |
762 | struct fio_mount *fm; |
763 | FLIST_HEAD(list); | |
764 | struct fio_file *f; | |
765 | unsigned int i; | |
766 | ||
767 | for_each_file(td, f, i) { | |
768 | struct stat sb; | |
769 | char buf[256]; | |
770 | ||
686fbd31 | 771 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
772 | if (f->real_file_size != -1ULL) |
773 | ret += f->real_file_size; | |
68b0316f JA |
774 | continue; |
775 | } else if (f->filetype != FIO_TYPE_FILE) | |
776 | continue; | |
777 | ||
da27a4bf JA |
778 | buf[255] = '\0'; |
779 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
780 | |
781 | if (stat(buf, &sb) < 0) { | |
782 | if (errno != ENOENT) | |
783 | break; | |
784 | strcpy(buf, "."); | |
785 | if (stat(buf, &sb) < 0) | |
786 | break; | |
787 | } | |
788 | ||
789 | fm = NULL; | |
790 | flist_for_each(n, &list) { | |
791 | fm = flist_entry(n, struct fio_mount, list); | |
792 | if (fm->key == sb.st_dev) | |
793 | break; | |
794 | ||
795 | fm = NULL; | |
796 | } | |
797 | ||
798 | if (fm) | |
799 | continue; | |
800 | ||
3660ceae JA |
801 | fm = calloc(1, sizeof(*fm)); |
802 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
803 | fm->base = basename(fm->__base); |
804 | fm->key = sb.st_dev; | |
805 | flist_add(&fm->list, &list); | |
806 | } | |
807 | ||
2e3bd4c2 JA |
808 | flist_for_each_safe(n, tmp, &list) { |
809 | unsigned long long sz; | |
810 | ||
811 | fm = flist_entry(n, struct fio_mount, list); | |
812 | flist_del(&fm->list); | |
813 | ||
c08ad04c | 814 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
815 | if (sz && sz != -1ULL) |
816 | ret += sz; | |
817 | ||
818 | free(fm); | |
819 | } | |
820 | ||
821 | return ret; | |
822 | } | |
823 | ||
bedc9dc2 | 824 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 825 | { |
bedc9dc2 JA |
826 | struct thread_options *o = &td->o; |
827 | ||
828 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
829 | return f->real_file_size; | |
830 | ||
9bbefaa2 JA |
831 | return td->o.start_offset + |
832 | td->subjob_number * td->o.offset_increment; | |
ce95d651 DE |
833 | } |
834 | ||
7bb48f84 JA |
835 | /* |
836 | * Open the files and setup files sizes, creating files if necessary. | |
837 | */ | |
53cdc686 JA |
838 | int setup_files(struct thread_data *td) |
839 | { | |
7bb48f84 | 840 | unsigned long long total_size, extend_size; |
de98bd30 | 841 | struct thread_options *o = &td->o; |
53cdc686 | 842 | struct fio_file *f; |
002fe734 | 843 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 844 | int err = 0, need_extend; |
e90391eb | 845 | int old_state; |
002fe734 JA |
846 | const unsigned int bs = td_min_bs(td); |
847 | uint64_t fs = 0; | |
53cdc686 | 848 | |
ee56ad50 JA |
849 | dprint(FD_FILE, "setup files\n"); |
850 | ||
8edd973d | 851 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 852 | |
de98bd30 | 853 | if (o->read_iolog_file) |
25460cf6 | 854 | goto done; |
691c8fb0 | 855 | |
53cdc686 | 856 | /* |
79591fa9 TK |
857 | * Find out physical size of files or devices for this thread, |
858 | * before we determine I/O size and range of our targets. | |
859 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
860 | * opening the files and setting f->real_file_size to indicate |
861 | * the valid range for that file. | |
53cdc686 JA |
862 | */ |
863 | if (td->io_ops->setup) | |
7bb48f84 JA |
864 | err = td->io_ops->setup(td); |
865 | else | |
bab3fd58 | 866 | err = get_file_sizes(td); |
53cdc686 | 867 | |
f1027063 | 868 | if (err) |
e90391eb | 869 | goto err_out; |
f1027063 | 870 | |
0a7eb121 | 871 | /* |
7bb48f84 JA |
872 | * check sizes. if the files/devices do not exist and the size |
873 | * isn't passed to fio, abort. | |
0a7eb121 | 874 | */ |
7bb48f84 JA |
875 | total_size = 0; |
876 | for_each_file(td, f, i) { | |
49a416bd | 877 | f->fileno = i; |
7bb48f84 JA |
878 | if (f->real_file_size == -1ULL) |
879 | total_size = -1ULL; | |
880 | else | |
881 | total_size += f->real_file_size; | |
882 | } | |
0a7eb121 | 883 | |
de98bd30 | 884 | if (o->fill_device) |
2e3bd4c2 JA |
885 | td->fill_device_size = get_fs_free_counts(td); |
886 | ||
7bb48f84 JA |
887 | /* |
888 | * device/file sizes are zero and no size given, punt | |
889 | */ | |
de98bd30 | 890 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 891 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
892 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
893 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 894 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 895 | goto err_out; |
53cdc686 JA |
896 | } |
897 | ||
002fe734 JA |
898 | /* |
899 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 900 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 901 | */ |
d1e78e6b | 902 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
903 | uint64_t all_fs; |
904 | ||
905 | fs = o->size / o->nr_files; | |
906 | all_fs = fs * o->nr_files; | |
907 | ||
908 | if (all_fs < o->size) | |
909 | nr_fs_extra = (o->size - all_fs) / bs; | |
910 | } | |
911 | ||
7bb48f84 JA |
912 | /* |
913 | * now file sizes are known, so we can set ->io_size. if size= is | |
914 | * not given, ->io_size is just equal to ->real_file_size. if size | |
915 | * is given, ->io_size is size / nr_files. | |
916 | */ | |
917 | extend_size = total_size = 0; | |
918 | need_extend = 0; | |
919 | for_each_file(td, f, i) { | |
bedc9dc2 | 920 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 921 | |
79591fa9 TK |
922 | /* |
923 | * Update ->io_size depending on options specified. | |
924 | * ->file_size_low being 0 means filesize option isn't set. | |
925 | * Non zero ->file_size_low equals ->file_size_high means | |
926 | * filesize option is set in a fixed size format. | |
927 | * Non zero ->file_size_low not equals ->file_size_high means | |
928 | * filesize option is set in a range format. | |
929 | */ | |
de98bd30 | 930 | if (!o->file_size_low) { |
7bb48f84 | 931 | /* |
79591fa9 | 932 | * no file size or range given, file size is equal to |
c4aa2d08 | 933 | * total size divided by number of files. If the size |
002fe734 JA |
934 | * doesn't divide nicely with the min blocksize, |
935 | * make the first files bigger. | |
7bb48f84 | 936 | */ |
002fe734 JA |
937 | f->io_size = fs; |
938 | if (nr_fs_extra) { | |
939 | nr_fs_extra--; | |
940 | f->io_size += bs; | |
941 | } | |
942 | ||
c4aa2d08 | 943 | /* |
c6dfd837 TK |
944 | * We normally don't come here for regular files, but |
945 | * if the result is 0 for a regular file, set it to the | |
946 | * real file size. This could be size of the existing | |
947 | * one if it already exists, but otherwise will be set | |
948 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
949 | * ->io_size + ->file_offset equals ->real_file_size. |
950 | */ | |
951 | if (!f->io_size) { | |
952 | if (f->file_offset > f->real_file_size) | |
953 | goto err_offset; | |
273f8c91 | 954 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
955 | if (!f->io_size) |
956 | log_info("fio: file %s may be ignored\n", | |
957 | f->file_name); | |
958 | } | |
de98bd30 JA |
959 | } else if (f->real_file_size < o->file_size_low || |
960 | f->real_file_size > o->file_size_high) { | |
961 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 962 | goto err_offset; |
7bb48f84 JA |
963 | /* |
964 | * file size given. if it's fixed, use that. if it's a | |
965 | * range, generate a random size in-between. | |
966 | */ | |
de98bd30 JA |
967 | if (o->file_size_low == o->file_size_high) |
968 | f->io_size = o->file_size_low - f->file_offset; | |
969 | else { | |
5ec10eaa JA |
970 | f->io_size = get_rand_file_size(td) |
971 | - f->file_offset; | |
972 | } | |
65bdb10a | 973 | } else |
bcdedd0a | 974 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 975 | |
7bb48f84 JA |
976 | if (f->io_size == -1ULL) |
977 | total_size = -1ULL; | |
4d002569 | 978 | else { |
e391c704 JA |
979 | if (o->size_percent) { |
980 | f->io_size = (f->io_size * o->size_percent) / 100; | |
981 | f->io_size -= (f->io_size % td_min_bs(td)); | |
982 | } | |
7bb48f84 | 983 | total_size += f->io_size; |
4d002569 | 984 | } |
7bb48f84 JA |
985 | |
986 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 987 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 988 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
989 | if (!o->create_on_open) { |
990 | need_extend++; | |
814452bd | 991 | extend_size += (f->io_size + f->file_offset); |
43558406 | 992 | fio_file_set_extend(f); |
5fd31680 | 993 | } else |
814452bd | 994 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 995 | } |
7bb48f84 | 996 | } |
53cdc686 | 997 | |
66347cfa DE |
998 | if (td->o.block_error_hist) { |
999 | int len; | |
1000 | ||
1001 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1002 | f = td->files[0]; | |
1003 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1004 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1005 | log_err("fio: cannot calculate block histogram with " | |
1006 | "%d trim blocks, maximum %d\n", | |
1007 | len, MAX_NR_BLOCK_INFOS); | |
1008 | td_verror(td, EINVAL, "block_error_hist"); | |
1009 | goto err_out; | |
1010 | } | |
1011 | ||
1012 | td->ts.nr_block_infos = len; | |
8a68c41c | 1013 | for (i = 0; i < len; i++) |
66347cfa DE |
1014 | td->ts.block_infos[i] = |
1015 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1016 | } else | |
1017 | td->ts.nr_block_infos = 0; | |
1018 | ||
0bc27b0b | 1019 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1020 | o->size = total_size; |
21972cde | 1021 | |
d1faa06d JA |
1022 | if (o->size < td_min_bs(td)) { |
1023 | log_err("fio: blocksize too large for data set\n"); | |
1024 | goto err_out; | |
1025 | } | |
1026 | ||
7bb48f84 | 1027 | /* |
79591fa9 TK |
1028 | * See if we need to extend some files, typically needed when our |
1029 | * target regular files don't exist yet, but our jobs require them | |
1030 | * initially due to read I/Os. | |
7bb48f84 JA |
1031 | */ |
1032 | if (need_extend) { | |
1033 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1034 | if (output_format & FIO_OUTPUT_NORMAL) { |
1035 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1036 | o->name, | |
1037 | need_extend > 1 ? "s" : "", | |
1038 | need_extend, | |
1039 | need_extend > 1 ? "s" : "", | |
1040 | need_extend > 1 ? "total " : "", | |
1041 | extend_size >> 20); | |
1042 | } | |
7bb48f84 JA |
1043 | |
1044 | for_each_file(td, f, i) { | |
5e0074c2 | 1045 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1046 | |
d6aed795 | 1047 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1048 | continue; |
1049 | ||
409b3417 | 1050 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1051 | fio_file_clear_extend(f); |
de98bd30 | 1052 | if (!o->fill_device) { |
5e0074c2 | 1053 | old_len = f->real_file_size; |
0b9d69ec JA |
1054 | extend_len = f->io_size + f->file_offset - |
1055 | old_len; | |
5e0074c2 | 1056 | } |
bcdedd0a | 1057 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1058 | err = extend_file(td, f); |
1059 | if (err) | |
3baddf24 | 1060 | break; |
5e0074c2 | 1061 | |
3baddf24 JA |
1062 | err = __file_invalidate_cache(td, f, old_len, |
1063 | extend_len); | |
9824f73b JA |
1064 | |
1065 | /* | |
1066 | * Shut up static checker | |
1067 | */ | |
1068 | if (f->fd != -1) | |
1069 | close(f->fd); | |
1070 | ||
3baddf24 JA |
1071 | f->fd = -1; |
1072 | if (err) | |
7bb48f84 JA |
1073 | break; |
1074 | } | |
1075 | temp_stall_ts = 0; | |
1076 | } | |
1077 | ||
1078 | if (err) | |
e90391eb | 1079 | goto err_out; |
7bb48f84 | 1080 | |
de98bd30 JA |
1081 | if (!o->zone_size) |
1082 | o->zone_size = o->size; | |
7bb48f84 | 1083 | |
ea966f81 JA |
1084 | /* |
1085 | * iolog already set the total io size, if we read back | |
1086 | * stored entries. | |
1087 | */ | |
77731b29 | 1088 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1089 | if (o->io_size) |
1090 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1091 | else |
1092 | td->total_io_size = o->size * o->loops; | |
1093 | } | |
25460cf6 JA |
1094 | |
1095 | done: | |
de98bd30 | 1096 | if (o->create_only) |
25460cf6 JA |
1097 | td->done = 1; |
1098 | ||
8edd973d | 1099 | td_restore_runstate(td, old_state); |
7bb48f84 | 1100 | return 0; |
bcdedd0a | 1101 | err_offset: |
de98bd30 | 1102 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1103 | err_out: |
8edd973d | 1104 | td_restore_runstate(td, old_state); |
bcdedd0a | 1105 | return 1; |
53cdc686 JA |
1106 | } |
1107 | ||
afad68f7 ZY |
1108 | int pre_read_files(struct thread_data *td) |
1109 | { | |
1110 | struct fio_file *f; | |
1111 | unsigned int i; | |
1112 | ||
1113 | dprint(FD_FILE, "pre_read files\n"); | |
1114 | ||
1115 | for_each_file(td, f, i) { | |
1116 | pre_read_file(td, f); | |
1117 | } | |
1118 | ||
1119 | return 1; | |
1120 | } | |
1121 | ||
9c6f6316 JA |
1122 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1123 | { | |
2316296a | 1124 | unsigned int range_size, seed; |
9c6f6316 | 1125 | unsigned long nranges; |
42da5c8b | 1126 | uint64_t fsize; |
9c6f6316 JA |
1127 | |
1128 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1129 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1130 | |
42da5c8b | 1131 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1132 | |
2316296a | 1133 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1134 | if (!td->o.rand_repeatable) |
1135 | seed = td->rand_seeds[4]; | |
1136 | ||
9c6f6316 | 1137 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1138 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1139 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1140 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1141 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1142 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1143 | |
1144 | return 1; | |
1145 | } | |
1146 | ||
1147 | static int init_rand_distribution(struct thread_data *td) | |
1148 | { | |
1149 | struct fio_file *f; | |
1150 | unsigned int i; | |
1151 | int state; | |
1152 | ||
1153 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1154 | return 0; | |
1155 | ||
8edd973d JA |
1156 | state = td_bump_runstate(td, TD_SETTING_UP); |
1157 | ||
9c6f6316 JA |
1158 | for_each_file(td, f, i) |
1159 | __init_rand_distribution(td, f); | |
8edd973d JA |
1160 | |
1161 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1162 | |
1163 | return 1; | |
1164 | } | |
1165 | ||
75f90d5f JA |
1166 | /* |
1167 | * Check if the number of blocks exceeds the randomness capability of | |
1168 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1169 | * 64-bit capable. | |
1170 | */ | |
1171 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1172 | uint64_t blocks) | |
1173 | { | |
1174 | if (blocks <= FRAND32_MAX) | |
1175 | return 0; | |
1176 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1177 | return 0; | |
1178 | ||
1179 | /* | |
1180 | * If the user hasn't specified a random generator, switch | |
1181 | * to tausworthe64 with informational warning. If the user did | |
1182 | * specify one, just warn. | |
1183 | */ | |
1184 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1185 | f->file_name); | |
1186 | ||
1187 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1188 | log_info("fio: Switching to tausworthe64. Use the " | |
1189 | "random_generator= option to get rid of this " | |
4e795a3e | 1190 | "warning.\n"); |
75f90d5f JA |
1191 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1192 | return 0; | |
1193 | } | |
1194 | ||
1195 | /* | |
1196 | * Just make this information to avoid breaking scripts. | |
1197 | */ | |
1198 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1199 | "tausworthe64.\n"); | |
1200 | return 0; | |
1201 | } | |
1202 | ||
68727076 JA |
1203 | int init_random_map(struct thread_data *td) |
1204 | { | |
51ede0b1 | 1205 | unsigned long long blocks; |
68727076 JA |
1206 | struct fio_file *f; |
1207 | unsigned int i; | |
1208 | ||
9c6f6316 JA |
1209 | if (init_rand_distribution(td)) |
1210 | return 0; | |
3831a843 | 1211 | if (!td_random(td)) |
68727076 JA |
1212 | return 0; |
1213 | ||
1214 | for_each_file(td, f, i) { | |
42da5c8b | 1215 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1216 | |
42da5c8b | 1217 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1218 | |
75f90d5f | 1219 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1220 | return 1; |
37fbd7e9 | 1221 | |
8055e41d | 1222 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1223 | unsigned long seed; |
1224 | ||
1225 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1226 | |
967d1b63 JA |
1227 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1228 | fio_file_set_lfsr(f); | |
8055e41d | 1229 | continue; |
967d1b63 | 1230 | } |
3831a843 | 1231 | } else if (!td->o.norandommap) { |
7ebd796f | 1232 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1233 | if (f->io_axmap) { |
1234 | fio_file_set_axmap(f); | |
8055e41d | 1235 | continue; |
967d1b63 | 1236 | } |
1cad7121 JA |
1237 | } else if (td->o.norandommap) |
1238 | continue; | |
ceadd59e | 1239 | |
2b386d25 | 1240 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1241 | log_err("fio: failed allocating random map. If running" |
1242 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1243 | " option or set 'softrandommap'. Or give" |
1244 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1245 | return 1; |
1246 | } | |
303032ae JA |
1247 | |
1248 | log_info("fio: file %s failed allocating random map. Running " | |
1249 | "job without.\n", f->file_name); | |
68727076 JA |
1250 | } |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
53cdc686 JA |
1255 | void close_files(struct thread_data *td) |
1256 | { | |
0ab8db89 | 1257 | struct fio_file *f; |
af52b345 | 1258 | unsigned int i; |
53cdc686 | 1259 | |
2be3eec3 JA |
1260 | for_each_file(td, f, i) { |
1261 | if (fio_file_open(f)) | |
1262 | td_io_close_file(td, f); | |
1263 | } | |
24ffd2c2 JA |
1264 | } |
1265 | ||
1266 | void close_and_free_files(struct thread_data *td) | |
1267 | { | |
1268 | struct fio_file *f; | |
1269 | unsigned int i; | |
1270 | ||
ee56ad50 JA |
1271 | dprint(FD_FILE, "close files\n"); |
1272 | ||
0ab8db89 | 1273 | for_each_file(td, f, i) { |
38ef9c90 CF |
1274 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1275 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1276 | td_io_unlink_file(td, f); | |
1277 | } | |
1278 | ||
22a57ba8 JA |
1279 | if (fio_file_open(f)) |
1280 | td_io_close_file(td, f); | |
1281 | ||
b9fbcf21 | 1282 | remove_file_hash(f); |
b3dc7f07 | 1283 | |
b5f4d8ba JA |
1284 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1285 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1286 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1287 | } |
1288 | ||
f17c4392 | 1289 | sfree(f->file_name); |
fa1da865 | 1290 | f->file_name = NULL; |
967d1b63 JA |
1291 | if (fio_file_axmap(f)) { |
1292 | axmap_free(f->io_axmap); | |
1293 | f->io_axmap = NULL; | |
1294 | } | |
78d99e6a | 1295 | sfree(f); |
53cdc686 | 1296 | } |
b4a6a59a | 1297 | |
2dc1bbeb | 1298 | td->o.filename = NULL; |
cade3ef4 | 1299 | free(td->files); |
d7df1d13 | 1300 | free(td->file_locks); |
9efef3c4 | 1301 | td->files_index = 0; |
b4a6a59a | 1302 | td->files = NULL; |
d7df1d13 | 1303 | td->file_locks = NULL; |
27ddbfa0 | 1304 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1305 | td->o.nr_files = 0; |
53cdc686 | 1306 | } |
af52b345 | 1307 | |
e3bab463 | 1308 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1309 | { |
1310 | struct stat sb; | |
1311 | ||
66159828 JA |
1312 | if (!strcmp(f->file_name, "-")) |
1313 | f->filetype = FIO_TYPE_PIPE; | |
1314 | else | |
1315 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1316 | |
d5b78f5a | 1317 | #ifdef WIN32 |
3892182a BC |
1318 | /* \\.\ is the device namespace in Windows, where every file is |
1319 | * a block device */ | |
1320 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1321 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1322 | #endif |
3892182a | 1323 | |
b30d395e | 1324 | if (!stat(f->file_name, &sb)) { |
3892182a | 1325 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1326 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1327 | else if (S_ISCHR(sb.st_mode)) |
1328 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1329 | else if (S_ISFIFO(sb.st_mode)) |
1330 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1331 | } |
1332 | } | |
1333 | ||
1b2a83dc | 1334 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1335 | { |
90426237 | 1336 | struct flist_head *entry; |
1b2a83dc | 1337 | bool ret; |
bcbfeefa | 1338 | |
1b2a83dc JA |
1339 | ret = file_bloom_exists(fname, set); |
1340 | if (!ret) | |
1341 | return ret; | |
90426237 JA |
1342 | |
1343 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1344 | struct file_name *fn; |
90426237 | 1345 | |
04d6530f JA |
1346 | fn = flist_entry(entry, struct file_name, list); |
1347 | ||
1348 | if (!strcmp(fn->filename, fname)) | |
1349 | return true; | |
90426237 JA |
1350 | } |
1351 | ||
04d6530f | 1352 | return false; |
bcbfeefa CE |
1353 | } |
1354 | ||
04d6530f | 1355 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1356 | { |
04d6530f | 1357 | bool ret; |
bcbfeefa | 1358 | |
90426237 | 1359 | fio_file_hash_lock(); |
1b2a83dc | 1360 | ret = __is_already_allocated(fname, false); |
90426237 | 1361 | fio_file_hash_unlock(); |
04d6530f | 1362 | |
90426237 JA |
1363 | return ret; |
1364 | } | |
bcbfeefa | 1365 | |
90426237 JA |
1366 | static void set_already_allocated(const char *fname) |
1367 | { | |
1368 | struct file_name *fn; | |
1369 | ||
1370 | fn = malloc(sizeof(struct file_name)); | |
1371 | fn->filename = strdup(fname); | |
1372 | ||
1373 | fio_file_hash_lock(); | |
1b2a83dc | 1374 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1375 | flist_add_tail(&fn->list, &filename_list); |
1376 | fn = NULL; | |
bcbfeefa | 1377 | } |
90426237 | 1378 | fio_file_hash_unlock(); |
bcbfeefa | 1379 | |
90426237 JA |
1380 | if (fn) { |
1381 | free(fn->filename); | |
1382 | free(fn); | |
1383 | } | |
bcbfeefa CE |
1384 | } |
1385 | ||
190b8f0c CF |
1386 | static void free_already_allocated(void) |
1387 | { | |
bcbfeefa CE |
1388 | struct flist_head *entry, *tmp; |
1389 | struct file_name *fn; | |
1390 | ||
90426237 JA |
1391 | if (flist_empty(&filename_list)) |
1392 | return; | |
1393 | ||
1394 | fio_file_hash_lock(); | |
1395 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1396 | fn = flist_entry(entry, struct file_name, list); | |
1397 | free(fn->filename); | |
1398 | flist_del(&fn->list); | |
1399 | free(fn); | |
bcbfeefa | 1400 | } |
90426237 JA |
1401 | |
1402 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1403 | } |
1404 | ||
7b5cb700 JA |
1405 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1406 | { | |
1407 | struct fio_file *f; | |
1408 | ||
1409 | f = smalloc(sizeof(*f)); | |
1410 | if (!f) { | |
7b5cb700 JA |
1411 | assert(0); |
1412 | return NULL; | |
1413 | } | |
1414 | ||
1415 | f->fd = -1; | |
1416 | f->shadow_fd = -1; | |
1417 | fio_file_reset(td, f); | |
1418 | return f; | |
1419 | } | |
1420 | ||
04d6530f JA |
1421 | bool exists_and_not_regfile(const char *filename) |
1422 | { | |
1423 | struct stat sb; | |
1424 | ||
1425 | if (lstat(filename, &sb) == -1) | |
1426 | return false; | |
1427 | ||
1428 | #ifndef WIN32 /* NOT Windows */ | |
1429 | if (S_ISREG(sb.st_mode)) | |
1430 | return false; | |
1431 | #else | |
1432 | /* \\.\ is the device namespace in Windows, where every file | |
1433 | * is a device node */ | |
1434 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1435 | return false; | |
1436 | #endif | |
1437 | ||
1438 | return true; | |
1439 | } | |
1440 | ||
5903e7b7 | 1441 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1442 | { |
7b4e4fe5 | 1443 | int cur_files = td->files_index; |
bd0ee748 | 1444 | char file_name[PATH_MAX]; |
af52b345 | 1445 | struct fio_file *f; |
bd0ee748 | 1446 | int len = 0; |
af52b345 | 1447 | |
ee56ad50 JA |
1448 | dprint(FD_FILE, "add file %s\n", fname); |
1449 | ||
bcbfeefa | 1450 | if (td->o.directory) |
922a5be8 JA |
1451 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1452 | td->o.unique_filename); | |
bcbfeefa CE |
1453 | |
1454 | sprintf(file_name + len, "%s", fname); | |
1455 | ||
1456 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1457 | if (numjob && is_already_allocated(file_name) && |
1458 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1459 | return 0; |
1460 | ||
7b5cb700 | 1461 | f = alloc_new_file(td); |
bd0ee748 | 1462 | |
fc99bc0d | 1463 | if (td->files_size <= td->files_index) { |
1983e327 | 1464 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1465 | |
fc99bc0d JA |
1466 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1467 | ||
1468 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1469 | if (td->files == NULL) { |
1470 | log_err("fio: realloc OOM\n"); | |
1471 | assert(0); | |
1472 | } | |
d7df1d13 JA |
1473 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1474 | td->file_locks = realloc(td->file_locks, new_size); | |
1475 | if (!td->file_locks) { | |
1476 | log_err("fio: realloc OOM\n"); | |
1477 | assert(0); | |
1478 | } | |
1479 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1480 | } | |
fc99bc0d JA |
1481 | td->files_size = new_size; |
1482 | } | |
8bb7679e | 1483 | td->files[cur_files] = f; |
89ac1d48 | 1484 | f->fileno = cur_files; |
126d65c6 | 1485 | |
07eb79df JA |
1486 | /* |
1487 | * init function, io engine may not be loaded yet | |
1488 | */ | |
9b87f09b | 1489 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1490 | f->real_file_size = -1ULL; |
1491 | ||
f17c4392 | 1492 | f->file_name = smalloc_strdup(file_name); |
81b3c86f | 1493 | if (!f->file_name) |
c48c0be7 | 1494 | assert(0); |
0b9d69ec | 1495 | |
e3bab463 | 1496 | get_file_type(f); |
af52b345 | 1497 | |
4d4e80f2 JA |
1498 | switch (td->o.file_lock_mode) { |
1499 | case FILE_LOCK_NONE: | |
1500 | break; | |
1501 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1502 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1503 | break; |
1504 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1505 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1506 | break; |
1507 | default: | |
1508 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1509 | assert(0); | |
1510 | } | |
29c1349f | 1511 | |
7b4e4fe5 | 1512 | td->files_index++; |
1549441c JA |
1513 | if (f->filetype == FIO_TYPE_FILE) |
1514 | td->nr_normal_files++; | |
f29b25a3 | 1515 | |
bcbfeefa CE |
1516 | set_already_allocated(file_name); |
1517 | ||
5903e7b7 JA |
1518 | if (inc) |
1519 | td->o.nr_files++; | |
1520 | ||
5ec10eaa JA |
1521 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1522 | cur_files); | |
9efef3c4 | 1523 | |
f29b25a3 | 1524 | return cur_files; |
af52b345 | 1525 | } |
0ad920e7 | 1526 | |
49ffb4a2 JA |
1527 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1528 | { | |
1529 | struct fio_file *f; | |
1530 | unsigned int i; | |
1531 | ||
1532 | for_each_file(td, f, i) { | |
1533 | if (!strcmp(f->file_name, fname)) | |
1534 | return i; | |
1535 | } | |
1536 | ||
5903e7b7 | 1537 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1538 | } |
1539 | ||
0ad920e7 JA |
1540 | void get_file(struct fio_file *f) |
1541 | { | |
8172fe97 | 1542 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1543 | assert(fio_file_open(f)); |
0ad920e7 JA |
1544 | f->references++; |
1545 | } | |
1546 | ||
6977bcd0 | 1547 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1548 | { |
98e1ac4e | 1549 | int f_ret = 0, ret = 0; |
6977bcd0 | 1550 | |
8172fe97 | 1551 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1552 | |
22a57ba8 JA |
1553 | if (!fio_file_open(f)) { |
1554 | assert(f->fd == -1); | |
6977bcd0 | 1555 | return 0; |
22a57ba8 | 1556 | } |
0ad920e7 JA |
1557 | |
1558 | assert(f->references); | |
1559 | if (--f->references) | |
6977bcd0 | 1560 | return 0; |
0ad920e7 | 1561 | |
71b84caa | 1562 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1563 | f_ret = fsync(f->fd); |
71b84caa JA |
1564 | if (f_ret < 0) |
1565 | f_ret = errno; | |
1566 | } | |
ebb1415f | 1567 | |
0ad920e7 | 1568 | if (td->io_ops->close_file) |
6977bcd0 | 1569 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1570 | |
98e1ac4e | 1571 | if (!ret) |
a5fb461f | 1572 | ret = f_ret; |
98e1ac4e | 1573 | |
0ad920e7 | 1574 | td->nr_open_files--; |
d6aed795 | 1575 | fio_file_clear_open(f); |
22a57ba8 | 1576 | assert(f->fd == -1); |
6977bcd0 | 1577 | return ret; |
0ad920e7 | 1578 | } |
bbf6b540 | 1579 | |
4d4e80f2 | 1580 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1581 | { |
4d4e80f2 JA |
1582 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1583 | return; | |
29c1349f | 1584 | |
4d4e80f2 JA |
1585 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1586 | if (ddir == DDIR_READ) | |
d7df1d13 | 1587 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1588 | else |
d7df1d13 | 1589 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1590 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1591 | fio_mutex_down(f->lock); | |
1592 | ||
d7df1d13 | 1593 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1594 | } |
1595 | ||
4d4e80f2 | 1596 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1597 | { |
4d4e80f2 JA |
1598 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1599 | return; | |
4d4e80f2 | 1600 | |
d7df1d13 JA |
1601 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1602 | fio_rwlock_unlock(f->rwlock); | |
1603 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1604 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1605 | |
1606 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1607 | } |
1608 | ||
4d4e80f2 JA |
1609 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1610 | { | |
f2a2803a | 1611 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1612 | return; |
d7df1d13 JA |
1613 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1614 | unlock_file(td, f); | |
4d4e80f2 JA |
1615 | } |
1616 | ||
bbf6b540 JA |
1617 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1618 | { | |
1619 | struct dirent *dir; | |
1620 | int ret = 0; | |
1621 | DIR *D; | |
1622 | ||
1623 | D = opendir(dirname); | |
1624 | if (!D) { | |
0ddb270c JA |
1625 | char buf[FIO_VERROR_SIZE]; |
1626 | ||
98ffb8f3 | 1627 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1628 | td_verror(td, errno, buf); |
bbf6b540 JA |
1629 | return 1; |
1630 | } | |
1631 | ||
1632 | while ((dir = readdir(D)) != NULL) { | |
1633 | char full_path[PATH_MAX]; | |
1634 | struct stat sb; | |
1635 | ||
e85b2b83 JA |
1636 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1637 | continue; | |
96d32d51 | 1638 | |
b9fd788f | 1639 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1640 | |
1641 | if (lstat(full_path, &sb) == -1) { | |
1642 | if (errno != ENOENT) { | |
1643 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1644 | ret = 1; |
1645 | break; | |
bbf6b540 JA |
1646 | } |
1647 | } | |
1648 | ||
1649 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1650 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1651 | continue; |
1652 | } | |
0ddb270c JA |
1653 | if (!S_ISDIR(sb.st_mode)) |
1654 | continue; | |
bbf6b540 | 1655 | |
5ec10eaa JA |
1656 | ret = recurse_dir(td, full_path); |
1657 | if (ret) | |
bbf6b540 JA |
1658 | break; |
1659 | } | |
1660 | ||
1661 | closedir(D); | |
1662 | return ret; | |
1663 | } | |
1664 | ||
1665 | int add_dir_files(struct thread_data *td, const char *path) | |
1666 | { | |
0ddb270c JA |
1667 | int ret = recurse_dir(td, path); |
1668 | ||
1669 | if (!ret) | |
1670 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1671 | ||
1672 | return ret; | |
bbf6b540 | 1673 | } |
cade3ef4 JA |
1674 | |
1675 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1676 | { | |
1677 | struct fio_file *f; | |
1678 | unsigned int i; | |
9efef3c4 JA |
1679 | |
1680 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1681 | |
1682 | if (!org->files) | |
1683 | return; | |
1684 | ||
9efef3c4 | 1685 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1686 | |
d7df1d13 JA |
1687 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1688 | td->file_locks = malloc(org->files_index); | |
1689 | ||
9efef3c4 | 1690 | for_each_file(org, f, i) { |
b0fe421a JA |
1691 | struct fio_file *__f; |
1692 | ||
7b5cb700 | 1693 | __f = alloc_new_file(td); |
0b9d69ec | 1694 | |
bc3456fa | 1695 | if (f->file_name) { |
f17c4392 | 1696 | __f->file_name = smalloc_strdup(f->file_name); |
81b3c86f | 1697 | if (!__f->file_name) |
c48c0be7 | 1698 | assert(0); |
0b9d69ec | 1699 | |
bc3456fa AC |
1700 | __f->filetype = f->filetype; |
1701 | } | |
b0fe421a | 1702 | |
67ad9242 JA |
1703 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1704 | __f->lock = f->lock; | |
1705 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1706 | __f->rwlock = f->rwlock; | |
1707 | ||
b0fe421a | 1708 | td->files[i] = __f; |
cade3ef4 JA |
1709 | } |
1710 | } | |
f29b25a3 JA |
1711 | |
1712 | /* | |
1713 | * Returns the index that matches the filename, or -1 if not there | |
1714 | */ | |
1715 | int get_fileno(struct thread_data *td, const char *fname) | |
1716 | { | |
1717 | struct fio_file *f; | |
1718 | unsigned int i; | |
1719 | ||
1720 | for_each_file(td, f, i) | |
1721 | if (!strcmp(f->file_name, fname)) | |
1722 | return i; | |
1723 | ||
1724 | return -1; | |
1725 | } | |
1726 | ||
1727 | /* | |
1728 | * For log usage, where we add/open/close files automatically | |
1729 | */ | |
1730 | void free_release_files(struct thread_data *td) | |
1731 | { | |
1732 | close_files(td); | |
66ee4002 JA |
1733 | td->o.nr_files = 0; |
1734 | td->o.open_files = 0; | |
f29b25a3 JA |
1735 | td->files_index = 0; |
1736 | td->nr_normal_files = 0; | |
1737 | } | |
33c48814 JA |
1738 | |
1739 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1740 | { | |
f1dfb668 JA |
1741 | int i; |
1742 | ||
1743 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1744 | f->last_pos[i] = f->file_offset; | |
1745 | f->last_start[i] = -1ULL; | |
1746 | } | |
1747 | ||
967d1b63 | 1748 | if (fio_file_axmap(f)) |
33c48814 | 1749 | axmap_reset(f->io_axmap); |
967d1b63 | 1750 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1751 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1752 | } | |
002fe734 | 1753 | |
747b3105 | 1754 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1755 | { |
1756 | struct fio_file *f; | |
1757 | unsigned int i; | |
1758 | ||
1759 | for_each_file(td, f, i) | |
1760 | if (!fio_file_done(f)) | |
747b3105 | 1761 | return false; |
002fe734 | 1762 | |
747b3105 | 1763 | return true; |
002fe734 | 1764 | } |
bcbfeefa CE |
1765 | |
1766 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1767 | void filesetup_mem_free(void) |
1768 | { | |
bcbfeefa CE |
1769 | free_already_allocated(); |
1770 | } |