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