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" |
8c43ba62 | 18 | #include "lib/memalign.h" |
53cdc686 | 19 | |
97ac992c | 20 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
21 | #include <linux/falloc.h> |
22 | #endif | |
23 | ||
7172cfe8 JA |
24 | static int root_warn; |
25 | ||
bcbfeefa CE |
26 | static FLIST_HEAD(filename_list); |
27 | ||
bf651609 TK |
28 | /* |
29 | * List entry for filename_list | |
30 | */ | |
31 | struct file_name { | |
32 | struct flist_head list; | |
33 | char *filename; | |
34 | }; | |
35 | ||
c592b9fe JA |
36 | static inline void clear_error(struct thread_data *td) |
37 | { | |
38 | td->error = 0; | |
39 | td->verror[0] = '\0'; | |
40 | } | |
41 | ||
2c3e17be SW |
42 | static inline int native_fallocate(struct thread_data *td, struct fio_file *f) |
43 | { | |
44 | bool success; | |
45 | ||
46 | success = fio_fallocate(f, 0, f->real_file_size); | |
47 | dprint(FD_FILE, "native fallocate of file %s size %llu was " | |
48 | "%ssuccessful\n", f->file_name, | |
49 | (unsigned long long) f->real_file_size, | |
50 | !success ? "un": ""); | |
51 | ||
52 | if (success) | |
53 | return 0; | |
54 | ||
55 | if (errno == ENOSYS) | |
56 | dprint(FD_FILE, "native fallocate is not implemented\n"); | |
57 | ||
58 | return -1; | |
59 | } | |
60 | ||
005eb303 JA |
61 | static void fallocate_file(struct thread_data *td, struct fio_file *f) |
62 | { | |
63 | int r; | |
64 | ||
65 | if (td->o.fill_device) | |
66 | return; | |
67 | ||
005eb303 | 68 | switch (td->o.fallocate_mode) { |
2c3e17be SW |
69 | case FIO_FALLOCATE_NATIVE: |
70 | r = native_fallocate(td, f); | |
f271a3f2 | 71 | if (r != 0 && errno != ENOSYS) |
2c3e17be SW |
72 | log_err("fio: native_fallocate call failed: %s\n", |
73 | strerror(errno)); | |
74 | break; | |
005eb303 JA |
75 | case FIO_FALLOCATE_NONE: |
76 | break; | |
2c3e17be | 77 | #ifdef CONFIG_POSIX_FALLOCATE |
005eb303 JA |
78 | case FIO_FALLOCATE_POSIX: |
79 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
80 | f->file_name, | |
81 | (unsigned long long) f->real_file_size); | |
82 | ||
83 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
84 | if (r > 0) | |
85 | log_err("fio: posix_fallocate fails: %s\n", strerror(r)); | |
86 | break; | |
2c3e17be | 87 | #endif /* CONFIG_POSIX_FALLOCATE */ |
005eb303 JA |
88 | #ifdef CONFIG_LINUX_FALLOCATE |
89 | case FIO_FALLOCATE_KEEP_SIZE: | |
90 | dprint(FD_FILE, "fallocate(FALLOC_FL_KEEP_SIZE) " | |
91 | "file %s size %llu\n", f->file_name, | |
92 | (unsigned long long) f->real_file_size); | |
93 | ||
94 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, f->real_file_size); | |
95 | if (r != 0) | |
96 | td_verror(td, errno, "fallocate"); | |
97 | ||
98 | break; | |
99 | #endif /* CONFIG_LINUX_FALLOCATE */ | |
100 | default: | |
101 | log_err("fio: unknown fallocate mode: %d\n", td->o.fallocate_mode); | |
102 | assert(0); | |
103 | } | |
005eb303 JA |
104 | } |
105 | ||
3baddf24 JA |
106 | /* |
107 | * Leaves f->fd open on success, caller must close | |
108 | */ | |
7bb48f84 | 109 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 110 | { |
005eb303 | 111 | int new_layout = 0, unlink_file = 0, flags; |
25205e97 | 112 | unsigned long long left; |
d33db728 | 113 | unsigned int bs, alloc_size = 0; |
f3e1eb23 | 114 | char *b = NULL; |
b2a15192 | 115 | |
4241ea8f JA |
116 | if (read_only) { |
117 | log_err("fio: refusing extend of file due to read-only\n"); | |
118 | return 0; | |
119 | } | |
120 | ||
507a702f JA |
121 | /* |
122 | * check if we need to lay the file out complete again. fio | |
123 | * does that for operations involving reads, or for writes | |
124 | * where overwrite is set | |
125 | */ | |
1417daeb JA |
126 | if (td_read(td) || |
127 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 128 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 129 | new_layout = 1; |
1417daeb | 130 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 131 | unlink_file = 1; |
507a702f | 132 | |
6ae1f57f | 133 | if (unlink_file || new_layout) { |
2442c935 JA |
134 | int ret; |
135 | ||
bd199f2b | 136 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
137 | |
138 | ret = td_io_unlink_file(td, f); | |
139 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
140 | td_verror(td, errno, "unlink"); |
141 | return 1; | |
142 | } | |
143 | } | |
144 | ||
2378826d JA |
145 | flags = O_WRONLY; |
146 | if (td->o.allow_create) | |
147 | flags |= O_CREAT; | |
507a702f JA |
148 | if (new_layout) |
149 | flags |= O_TRUNC; | |
6e344dc3 | 150 | if (td->o.odirect) |
151 | flags |= OS_O_DIRECT; | |
507a702f | 152 | |
9c0f3f32 BC |
153 | #ifdef WIN32 |
154 | flags |= _O_BINARY; | |
155 | #endif | |
156 | ||
ee56ad50 | 157 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 158 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 159 | if (f->fd < 0) { |
2378826d JA |
160 | int err = errno; |
161 | ||
162 | if (err == ENOENT && !td->o.allow_create) | |
163 | log_err("fio: file creation disallowed by " | |
164 | "allow_file_create=0\n"); | |
6c3169f9 SW |
165 | else { |
166 | if (err == EINVAL && (flags & OS_O_DIRECT)) | |
167 | log_err("fio: looks like your filesystem " | |
168 | "does not support " | |
169 | "direct=1/buffered=0\n"); | |
170 | ||
2378826d | 171 | td_verror(td, err, "open"); |
6c3169f9 | 172 | } |
53cdc686 JA |
173 | return 1; |
174 | } | |
175 | ||
005eb303 | 176 | fallocate_file(td, f); |
9b836561 | 177 | |
79591fa9 TK |
178 | /* |
179 | * If our jobs don't require regular files initially, we're done. | |
180 | */ | |
fc74ac1d SL |
181 | if (!new_layout) |
182 | goto done; | |
183 | ||
5e0074c2 JA |
184 | /* |
185 | * The size will be -1ULL when fill_device is used, so don't truncate | |
186 | * or fallocate this file, just write it | |
187 | */ | |
188 | if (!td->o.fill_device) { | |
189 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 190 | (unsigned long long) f->real_file_size); |
5e0074c2 | 191 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
192 | if (errno != EFBIG) { |
193 | td_verror(td, errno, "ftruncate"); | |
194 | goto err; | |
195 | } | |
5e0074c2 | 196 | } |
5e0074c2 | 197 | } |
40f8298c | 198 | |
47534cda TK |
199 | if (td->o.odirect && !OS_O_DIRECT && fio_set_directio(td, f)) |
200 | goto err; | |
201 | ||
82d8de31 TK |
202 | left = f->real_file_size; |
203 | bs = td->o.max_bs[DDIR_WRITE]; | |
204 | if (bs > left) | |
205 | bs = left; | |
206 | ||
d33db728 TK |
207 | alloc_size = bs; |
208 | b = fio_memalign(page_size, alloc_size); | |
84af30a1 | 209 | if (!b) { |
8c43ba62 | 210 | td_verror(td, errno, "fio_memalign"); |
84af30a1 TK |
211 | goto err; |
212 | } | |
53cdc686 | 213 | |
53cdc686 | 214 | while (left && !td->terminate) { |
005eb303 JA |
215 | ssize_t r; |
216 | ||
53cdc686 JA |
217 | if (bs > left) |
218 | bs = left; | |
219 | ||
cc86c395 JA |
220 | fill_io_buffer(td, b, bs, bs); |
221 | ||
53cdc686 JA |
222 | r = write(f->fd, b, bs); |
223 | ||
5e0074c2 JA |
224 | if (r > 0) { |
225 | left -= r; | |
53cdc686 JA |
226 | continue; |
227 | } else { | |
5e0074c2 JA |
228 | if (r < 0) { |
229 | int __e = errno; | |
230 | ||
231 | if (__e == ENOSPC) { | |
232 | if (td->o.fill_device) | |
233 | break; | |
234 | log_info("fio: ENOSPC on laying out " | |
235 | "file, stopping\n"); | |
236 | break; | |
237 | } | |
e1161c32 | 238 | td_verror(td, errno, "write"); |
5e0074c2 | 239 | } else |
e1161c32 | 240 | td_verror(td, EIO, "write"); |
53cdc686 JA |
241 | |
242 | break; | |
243 | } | |
244 | } | |
245 | ||
ffdfabd4 JA |
246 | if (td->terminate) { |
247 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 248 | td_io_unlink_file(td, f); |
ffdfabd4 | 249 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
250 | if (fsync(f->fd) < 0) { |
251 | td_verror(td, errno, "fsync"); | |
252 | goto err; | |
253 | } | |
254 | } | |
0d1cd207 | 255 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 256 | fio_file_clear_size_known(f); |
5e0074c2 JA |
257 | if (td_io_get_file_size(td, f)) |
258 | goto err; | |
259 | if (f->io_size > f->real_file_size) | |
260 | f->io_size = f->real_file_size; | |
261 | } | |
53cdc686 | 262 | |
d33db728 | 263 | fio_memfree(b, alloc_size); |
507a702f | 264 | done: |
53cdc686 JA |
265 | return 0; |
266 | err: | |
267 | close(f->fd); | |
268 | f->fd = -1; | |
f3e1eb23 | 269 | if (b) |
d33db728 | 270 | fio_memfree(b, alloc_size); |
53cdc686 JA |
271 | return 1; |
272 | } | |
273 | ||
afad68f7 ZY |
274 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
275 | { | |
ef799a64 | 276 | int ret = 0, r, did_open = 0, old_runstate; |
afad68f7 ZY |
277 | unsigned long long left; |
278 | unsigned int bs; | |
279 | char *b; | |
280 | ||
736f1188 TK |
281 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
282 | td_ioengine_flagged(td, FIO_NOIO)) | |
9c0d2241 JA |
283 | return 0; |
284 | ||
e658078b TK |
285 | if (f->filetype == FIO_TYPE_CHAR) |
286 | return 0; | |
287 | ||
d6aed795 | 288 | if (!fio_file_open(f)) { |
b0f65863 JA |
289 | if (td->io_ops->open_file(td, f)) { |
290 | log_err("fio: cannot pre-read, failed to open file\n"); | |
291 | return 1; | |
292 | } | |
293 | did_open = 1; | |
294 | } | |
295 | ||
8edd973d | 296 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 297 | |
82d8de31 | 298 | left = f->io_size; |
afad68f7 | 299 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
300 | if (bs > left) |
301 | bs = left; | |
302 | ||
afad68f7 | 303 | b = malloc(bs); |
84af30a1 TK |
304 | if (!b) { |
305 | td_verror(td, errno, "malloc"); | |
306 | ret = 1; | |
307 | goto error; | |
308 | } | |
afad68f7 ZY |
309 | memset(b, 0, bs); |
310 | ||
ef799a64 JA |
311 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
312 | td_verror(td, errno, "lseek"); | |
313 | log_err("fio: failed to lseek pre-read file\n"); | |
314 | ret = 1; | |
315 | goto error; | |
316 | } | |
317 | ||
afad68f7 ZY |
318 | while (left && !td->terminate) { |
319 | if (bs > left) | |
320 | bs = left; | |
321 | ||
322 | r = read(f->fd, b, bs); | |
323 | ||
324 | if (r == (int) bs) { | |
325 | left -= bs; | |
326 | continue; | |
327 | } else { | |
328 | td_verror(td, EIO, "pre_read"); | |
329 | break; | |
330 | } | |
331 | } | |
332 | ||
ef799a64 | 333 | error: |
8edd973d | 334 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
335 | |
336 | if (did_open) | |
337 | td->io_ops->close_file(td, f); | |
ef799a64 | 338 | |
afad68f7 | 339 | free(b); |
ef799a64 | 340 | return ret; |
afad68f7 ZY |
341 | } |
342 | ||
a3f001f5 | 343 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 344 | { |
dc873b6f | 345 | unsigned long long ret, sized; |
c3546b53 | 346 | uint64_t frand_max; |
1294c3ec | 347 | unsigned long r; |
9c60ce64 | 348 | |
c3546b53 | 349 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 350 | r = __rand(&td->file_size_state); |
54a21917 | 351 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 352 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 353 | ret += td->o.file_size_low; |
2dc1bbeb | 354 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
355 | return ret; |
356 | } | |
357 | ||
53cdc686 JA |
358 | static int file_size(struct thread_data *td, struct fio_file *f) |
359 | { | |
360 | struct stat st; | |
361 | ||
df9c26b1 | 362 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
363 | td_verror(td, errno, "fstat"); |
364 | return 1; | |
365 | } | |
53cdc686 | 366 | |
7bb48f84 | 367 | f->real_file_size = st.st_size; |
53cdc686 JA |
368 | return 0; |
369 | } | |
370 | ||
371 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
372 | { | |
9b836561 | 373 | unsigned long long bytes = 0; |
53cdc686 JA |
374 | int r; |
375 | ||
df9c26b1 JA |
376 | if (td->io_ops->open_file(td, f)) { |
377 | log_err("fio: failed opening blockdev %s for size check\n", | |
378 | f->file_name); | |
379 | return 1; | |
380 | } | |
381 | ||
ecc314ba | 382 | r = blockdev_size(f, &bytes); |
53cdc686 | 383 | if (r) { |
e1161c32 | 384 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 385 | goto err; |
53cdc686 JA |
386 | } |
387 | ||
7ab077ab JA |
388 | if (!bytes) { |
389 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 390 | goto err; |
7ab077ab JA |
391 | } |
392 | ||
53cdc686 | 393 | f->real_file_size = bytes; |
22a57ba8 | 394 | td->io_ops->close_file(td, f); |
53cdc686 | 395 | return 0; |
df9c26b1 JA |
396 | err: |
397 | td->io_ops->close_file(td, f); | |
398 | return 1; | |
53cdc686 JA |
399 | } |
400 | ||
4ccdccd1 JA |
401 | static int char_size(struct thread_data *td, struct fio_file *f) |
402 | { | |
403 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 404 | unsigned long long bytes = 0; |
4ccdccd1 JA |
405 | int r; |
406 | ||
407 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 408 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
409 | f->file_name); |
410 | return 1; | |
411 | } | |
412 | ||
ecc314ba | 413 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
414 | if (r) { |
415 | td_verror(td, r, "chardev_size"); | |
416 | goto err; | |
417 | } | |
418 | ||
419 | if (!bytes) { | |
420 | log_err("%s: zero sized char device?\n", f->file_name); | |
421 | goto err; | |
422 | } | |
423 | ||
424 | f->real_file_size = bytes; | |
425 | td->io_ops->close_file(td, f); | |
426 | return 0; | |
427 | err: | |
428 | td->io_ops->close_file(td, f); | |
429 | return 1; | |
430 | #else | |
431 | f->real_file_size = -1ULL; | |
432 | return 0; | |
433 | #endif | |
434 | } | |
435 | ||
53cdc686 JA |
436 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
437 | { | |
438 | int ret = 0; | |
439 | ||
d6aed795 | 440 | if (fio_file_size_known(f)) |
409b3417 JA |
441 | return 0; |
442 | ||
7bb48f84 JA |
443 | if (f->filetype == FIO_TYPE_FILE) |
444 | ret = file_size(td, f); | |
686fbd31 | 445 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 446 | ret = bdev_size(td, f); |
4ccdccd1 JA |
447 | else if (f->filetype == FIO_TYPE_CHAR) |
448 | ret = char_size(td, f); | |
0f34169a TK |
449 | else |
450 | f->real_file_size = -1ULL; | |
53cdc686 | 451 | |
79591fa9 TK |
452 | /* |
453 | * Leave ->real_file_size with 0 since it could be expectation | |
454 | * of initial setup for regular files. | |
455 | */ | |
a0cb220b | 456 | if (ret) |
53cdc686 JA |
457 | return ret; |
458 | ||
0f34169a TK |
459 | /* |
460 | * If ->real_file_size is -1, a conditional for the message | |
461 | * "offset extends end" is always true, but it makes no sense, | |
462 | * so just return the same value here. | |
463 | */ | |
464 | if (f->real_file_size == -1ULL) { | |
465 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
466 | f->file_name); | |
467 | return 1; | |
468 | } | |
469 | ||
470 | if (td->o.start_offset && f->file_offset == 0) | |
471 | dprint(FD_FILE, "offset of file %s not initialized yet\n", | |
472 | f->file_name); | |
957c81b9 TK |
473 | /* |
474 | * ->file_offset normally hasn't been initialized yet, so this | |
0f34169a | 475 | * is basically always false. |
957c81b9 | 476 | */ |
53cdc686 | 477 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 478 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
479 | (unsigned long long) f->file_offset, |
480 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
481 | return 1; |
482 | } | |
483 | ||
d6aed795 | 484 | fio_file_set_size_known(f); |
53cdc686 JA |
485 | return 0; |
486 | } | |
487 | ||
3baddf24 JA |
488 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
489 | unsigned long long off, | |
490 | unsigned long long len) | |
e5b401d4 | 491 | { |
942a851a | 492 | int errval = 0, ret = 0; |
e5b401d4 | 493 | |
c8931876 JA |
494 | #ifdef CONFIG_ESX |
495 | return 0; | |
496 | #endif | |
497 | ||
5e0074c2 | 498 | if (len == -1ULL) |
3baddf24 JA |
499 | len = f->io_size; |
500 | if (off == -1ULL) | |
501 | off = f->file_offset; | |
ee56ad50 | 502 | |
0d1cd207 JA |
503 | if (len == -1ULL || off == -1ULL) |
504 | return 0; | |
505 | ||
942a851a | 506 | if (td->io_ops->invalidate) { |
4499dbef TK |
507 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
508 | f->file_name); | |
d9b100fc | 509 | ret = td->io_ops->invalidate(td, f); |
942a851a | 510 | if (ret < 0) |
afd118db | 511 | errval = -ret; |
942a851a | 512 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
513 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
514 | f->file_name, off, len); | |
ecc314ba | 515 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 516 | if (ret) |
942a851a | 517 | errval = ret; |
686fbd31 | 518 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
519 | int retry_count = 0; |
520 | ||
4499dbef | 521 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 522 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
523 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
524 | /* | |
525 | * Linux multipath devices reject ioctl while | |
526 | * the maps are being updated. That window can | |
527 | * last tens of milliseconds; we'll try up to | |
528 | * a quarter of a second. | |
529 | */ | |
530 | usleep(10000); | |
531 | ret = blockdev_invalidate_cache(f); | |
532 | } | |
7e0e25c9 | 533 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 534 | if (!root_warn) { |
5ec10eaa JA |
535 | log_err("fio: only root may flush block " |
536 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
537 | root_warn = 1; |
538 | } | |
7e0e25c9 JA |
539 | ret = 0; |
540 | } | |
942a851a JA |
541 | if (ret < 0) |
542 | errval = errno; | |
4499dbef TK |
543 | } else if (f->filetype == FIO_TYPE_CHAR || |
544 | f->filetype == FIO_TYPE_PIPE) { | |
545 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
e5b401d4 | 546 | ret = 0; |
4499dbef | 547 | } |
e5b401d4 | 548 | |
dfe11fd1 JA |
549 | /* |
550 | * Cache flushing isn't a fatal condition, and we know it will | |
551 | * happen on some platforms where we don't have the proper | |
552 | * function to flush eg block device caches. So just warn and | |
553 | * continue on our way. | |
554 | */ | |
942a851a | 555 | if (errval) |
22de5d77 TK |
556 | log_info("fio: cache invalidation of %s failed: %s\n", |
557 | f->file_name, strerror(errval)); | |
e5b401d4 | 558 | |
dfe11fd1 | 559 | return 0; |
3baddf24 JA |
560 | |
561 | } | |
562 | ||
563 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
564 | { | |
d6aed795 | 565 | if (!fio_file_open(f)) |
a5fb461f JA |
566 | return 0; |
567 | ||
5e0074c2 | 568 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
569 | } |
570 | ||
6977bcd0 | 571 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 572 | { |
6977bcd0 JA |
573 | int ret = 0; |
574 | ||
ee56ad50 | 575 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
576 | |
577 | remove_file_hash(f); | |
578 | ||
6977bcd0 JA |
579 | if (close(f->fd) < 0) |
580 | ret = errno; | |
581 | ||
b5af8293 | 582 | f->fd = -1; |
e6c4d732 JA |
583 | |
584 | if (f->shadow_fd != -1) { | |
585 | close(f->shadow_fd); | |
586 | f->shadow_fd = -1; | |
587 | } | |
588 | ||
710bf9c5 | 589 | f->engine_pos = 0; |
6977bcd0 | 590 | return ret; |
53cdc686 JA |
591 | } |
592 | ||
1ccc6dc7 | 593 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 594 | { |
29c1349f | 595 | struct fio_file *__f; |
4d4e80f2 JA |
596 | int from_hash; |
597 | ||
598 | __f = lookup_file_hash(f->file_name); | |
599 | if (__f) { | |
9efef3c4 | 600 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 601 | f->lock = __f->lock; |
4d4e80f2 JA |
602 | from_hash = 1; |
603 | } else { | |
9efef3c4 | 604 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
605 | from_hash = 0; |
606 | } | |
607 | ||
9c0f3f32 BC |
608 | #ifdef WIN32 |
609 | flags |= _O_BINARY; | |
610 | #endif | |
611 | ||
e8670ef8 | 612 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
613 | return from_hash; |
614 | } | |
615 | ||
e6c4d732 JA |
616 | static int file_close_shadow_fds(struct thread_data *td) |
617 | { | |
618 | struct fio_file *f; | |
619 | int num_closed = 0; | |
620 | unsigned int i; | |
621 | ||
622 | for_each_file(td, f, i) { | |
623 | if (f->shadow_fd == -1) | |
624 | continue; | |
625 | ||
626 | close(f->shadow_fd); | |
627 | f->shadow_fd = -1; | |
628 | num_closed++; | |
629 | } | |
630 | ||
631 | return num_closed; | |
632 | } | |
633 | ||
4d4e80f2 JA |
634 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
635 | { | |
66159828 | 636 | int is_std = 0; |
53cdc686 | 637 | int flags = 0; |
29c1349f | 638 | int from_hash = 0; |
53cdc686 | 639 | |
ee56ad50 JA |
640 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
641 | ||
66159828 JA |
642 | if (!strcmp(f->file_name, "-")) { |
643 | if (td_rw(td)) { | |
644 | log_err("fio: can't read/write to stdin/out\n"); | |
645 | return 1; | |
646 | } | |
647 | is_std = 1; | |
ce98fa66 JA |
648 | |
649 | /* | |
650 | * move output logging to stderr, if we are writing to stdout | |
651 | */ | |
652 | if (td_write(td)) | |
653 | f_out = stderr; | |
66159828 JA |
654 | } |
655 | ||
6eaf09d6 SL |
656 | if (td_trim(td)) |
657 | goto skip_flags; | |
2dc1bbeb | 658 | if (td->o.odirect) |
2fd233b7 | 659 | flags |= OS_O_DIRECT; |
d01612f3 CM |
660 | if (td->o.oatomic) { |
661 | if (!FIO_O_ATOMIC) { | |
662 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
663 | return 1; | |
664 | } | |
665 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
666 | } | |
2dc1bbeb | 667 | if (td->o.sync_io) |
2fd233b7 | 668 | flags |= O_SYNC; |
2378826d | 669 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 670 | flags |= O_CREAT; |
6eaf09d6 SL |
671 | skip_flags: |
672 | if (f->filetype != FIO_TYPE_FILE) | |
673 | flags |= FIO_O_NOATIME; | |
53cdc686 | 674 | |
056f3459 | 675 | open_again: |
660a1cb5 | 676 | if (td_write(td)) { |
17308158 JA |
677 | if (!read_only) |
678 | flags |= O_RDWR; | |
53cdc686 | 679 | |
2378826d | 680 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 681 | flags |= O_CREAT; |
2fd233b7 | 682 | |
66159828 JA |
683 | if (is_std) |
684 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
685 | else |
686 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 687 | } else if (td_read(td)) { |
4241ea8f | 688 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
689 | flags |= O_RDWR; |
690 | else | |
691 | flags |= O_RDONLY; | |
692 | ||
66159828 JA |
693 | if (is_std) |
694 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
695 | else |
696 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
697 | } else if (td_trim(td)) { |
698 | assert(!td_rw(td)); /* should have matched above */ | |
6eaf09d6 SL |
699 | flags |= O_RDWR; |
700 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
701 | } |
702 | ||
703 | if (f->fd == -1) { | |
e4e33258 | 704 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
705 | int __e = errno; |
706 | ||
835d9b9e | 707 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 708 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
709 | goto open_again; |
710 | } | |
e6c4d732 JA |
711 | if (__e == EMFILE && file_close_shadow_fds(td)) |
712 | goto open_again; | |
056f3459 | 713 | |
98ffb8f3 | 714 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 715 | |
a93c5f04 JA |
716 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
717 | log_err("fio: looks like your file system does not " \ | |
718 | "support direct=1/buffered=0\n"); | |
719 | } | |
720 | ||
e4e33258 | 721 | td_verror(td, __e, buf); |
3ce3ad33 | 722 | return 1; |
53cdc686 JA |
723 | } |
724 | ||
29c1349f JA |
725 | if (!from_hash && f->fd != -1) { |
726 | if (add_file_hash(f)) { | |
3f0ca9b9 | 727 | int fio_unused ret; |
29c1349f JA |
728 | |
729 | /* | |
e6c4d732 JA |
730 | * Stash away descriptor for later close. This is to |
731 | * work-around a "feature" on Linux, where a close of | |
732 | * an fd that has been opened for write will trigger | |
733 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 734 | * That pollutes the device cache, which can slow down |
e6c4d732 | 735 | * unbuffered accesses. |
29c1349f | 736 | */ |
e6c4d732 JA |
737 | if (f->shadow_fd == -1) |
738 | f->shadow_fd = f->fd; | |
739 | else { | |
740 | /* | |
741 | * OK to ignore, we haven't done anything | |
742 | * with it | |
743 | */ | |
744 | ret = generic_close_file(td, f); | |
745 | } | |
29c1349f JA |
746 | goto open_again; |
747 | } | |
748 | } | |
4906e0b5 | 749 | |
53cdc686 | 750 | return 0; |
b5af8293 JA |
751 | } |
752 | ||
79591fa9 TK |
753 | /* |
754 | * This function i.e. get_file_size() is the default .get_file_size | |
755 | * implementation of majority of I/O engines. | |
756 | */ | |
df9c26b1 | 757 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 758 | { |
df9c26b1 | 759 | return get_file_size(td, f); |
21972cde JA |
760 | } |
761 | ||
7bb48f84 JA |
762 | /* |
763 | * open/close all files, so that ->real_file_size gets set | |
764 | */ | |
bab3fd58 | 765 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
766 | { |
767 | struct fio_file *f; | |
768 | unsigned int i; | |
bab3fd58 | 769 | int err = 0; |
7bb48f84 JA |
770 | |
771 | for_each_file(td, f, i) { | |
08c44a55 | 772 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 773 | f->file_name); |
9efef3c4 | 774 | |
99a47c69 | 775 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
776 | if (td->error != ENOENT) { |
777 | log_err("%s\n", td->verror); | |
778 | err = 1; | |
3ce3ad33 | 779 | break; |
40b44f4a | 780 | } |
541d66d7 | 781 | clear_error(td); |
07eb79df | 782 | } |
409b3417 | 783 | |
79591fa9 TK |
784 | /* |
785 | * There are corner cases where we end up with -1 for | |
786 | * ->real_file_size due to unsupported file type, etc. | |
787 | * We then just set to size option value divided by number | |
788 | * of files, similar to the way file ->io_size is set. | |
789 | * stat(2) failure doesn't set ->real_file_size to -1. | |
790 | */ | |
409b3417 JA |
791 | if (f->real_file_size == -1ULL && td->o.size) |
792 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 793 | } |
bab3fd58 JA |
794 | |
795 | return err; | |
7bb48f84 JA |
796 | } |
797 | ||
2e3bd4c2 JA |
798 | struct fio_mount { |
799 | struct flist_head list; | |
800 | const char *base; | |
801 | char __base[256]; | |
802 | unsigned int key; | |
803 | }; | |
804 | ||
805 | /* | |
806 | * Get free number of bytes for each file on each unique mount. | |
807 | */ | |
808 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
809 | { | |
810 | struct flist_head *n, *tmp; | |
68b0316f | 811 | unsigned long long ret = 0; |
2e3bd4c2 JA |
812 | struct fio_mount *fm; |
813 | FLIST_HEAD(list); | |
814 | struct fio_file *f; | |
815 | unsigned int i; | |
816 | ||
817 | for_each_file(td, f, i) { | |
818 | struct stat sb; | |
819 | char buf[256]; | |
820 | ||
686fbd31 | 821 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
822 | if (f->real_file_size != -1ULL) |
823 | ret += f->real_file_size; | |
68b0316f JA |
824 | continue; |
825 | } else if (f->filetype != FIO_TYPE_FILE) | |
826 | continue; | |
827 | ||
da27a4bf JA |
828 | buf[255] = '\0'; |
829 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
830 | |
831 | if (stat(buf, &sb) < 0) { | |
832 | if (errno != ENOENT) | |
833 | break; | |
834 | strcpy(buf, "."); | |
835 | if (stat(buf, &sb) < 0) | |
836 | break; | |
837 | } | |
838 | ||
839 | fm = NULL; | |
840 | flist_for_each(n, &list) { | |
841 | fm = flist_entry(n, struct fio_mount, list); | |
842 | if (fm->key == sb.st_dev) | |
843 | break; | |
844 | ||
845 | fm = NULL; | |
846 | } | |
847 | ||
848 | if (fm) | |
849 | continue; | |
850 | ||
3660ceae JA |
851 | fm = calloc(1, sizeof(*fm)); |
852 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
853 | fm->base = basename(fm->__base); |
854 | fm->key = sb.st_dev; | |
855 | flist_add(&fm->list, &list); | |
856 | } | |
857 | ||
2e3bd4c2 JA |
858 | flist_for_each_safe(n, tmp, &list) { |
859 | unsigned long long sz; | |
860 | ||
861 | fm = flist_entry(n, struct fio_mount, list); | |
862 | flist_del(&fm->list); | |
863 | ||
c08ad04c | 864 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
865 | if (sz && sz != -1ULL) |
866 | ret += sz; | |
867 | ||
868 | free(fm); | |
869 | } | |
870 | ||
871 | return ret; | |
872 | } | |
873 | ||
bedc9dc2 | 874 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 875 | { |
bedc9dc2 | 876 | struct thread_options *o = &td->o; |
872e0415 JA |
877 | unsigned long long align_bs; |
878 | unsigned long long offset; | |
bedc9dc2 JA |
879 | |
880 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
881 | return f->real_file_size; | |
882 | ||
89978a6b | 883 | if (o->start_offset_percent > 0) { |
872e0415 JA |
884 | /* |
885 | * if blockalign is provided, find the min across read, write, | |
886 | * and trim | |
887 | */ | |
89978a6b BW |
888 | if (fio_option_is_set(o, ba)) { |
889 | align_bs = (unsigned long long) min(o->ba[DDIR_READ], o->ba[DDIR_WRITE]); | |
890 | align_bs = min((unsigned long long) o->ba[DDIR_TRIM], align_bs); | |
872e0415 JA |
891 | } else { |
892 | /* else take the minimum block size */ | |
89978a6b BW |
893 | align_bs = td_min_bs(td); |
894 | } | |
895 | ||
896 | /* calculate the raw offset */ | |
897 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
898 | (td->subjob_number * o->offset_increment); | |
899 | ||
872e0415 JA |
900 | /* |
901 | * block align the offset at the next available boundary at | |
902 | * ceiling(offset / align_bs) * align_bs | |
903 | */ | |
89978a6b BW |
904 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
905 | ||
872e0415 JA |
906 | } else { |
907 | /* start_offset_percent not set */ | |
f0d13935 JA |
908 | offset = o->start_offset + |
909 | td->subjob_number * o->offset_increment; | |
89978a6b | 910 | } |
872e0415 | 911 | |
89978a6b | 912 | return offset; |
ce95d651 DE |
913 | } |
914 | ||
7bb48f84 JA |
915 | /* |
916 | * Open the files and setup files sizes, creating files if necessary. | |
917 | */ | |
53cdc686 JA |
918 | int setup_files(struct thread_data *td) |
919 | { | |
7bb48f84 | 920 | unsigned long long total_size, extend_size; |
de98bd30 | 921 | struct thread_options *o = &td->o; |
53cdc686 | 922 | struct fio_file *f; |
002fe734 | 923 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 924 | int err = 0, need_extend; |
e90391eb | 925 | int old_state; |
002fe734 JA |
926 | const unsigned int bs = td_min_bs(td); |
927 | uint64_t fs = 0; | |
53cdc686 | 928 | |
ee56ad50 JA |
929 | dprint(FD_FILE, "setup files\n"); |
930 | ||
8edd973d | 931 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 932 | |
de98bd30 | 933 | if (o->read_iolog_file) |
25460cf6 | 934 | goto done; |
691c8fb0 | 935 | |
53cdc686 | 936 | /* |
79591fa9 TK |
937 | * Find out physical size of files or devices for this thread, |
938 | * before we determine I/O size and range of our targets. | |
939 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
940 | * opening the files and setting f->real_file_size to indicate |
941 | * the valid range for that file. | |
53cdc686 JA |
942 | */ |
943 | if (td->io_ops->setup) | |
7bb48f84 JA |
944 | err = td->io_ops->setup(td); |
945 | else | |
bab3fd58 | 946 | err = get_file_sizes(td); |
53cdc686 | 947 | |
f1027063 | 948 | if (err) |
e90391eb | 949 | goto err_out; |
f1027063 | 950 | |
0a7eb121 | 951 | /* |
7bb48f84 JA |
952 | * check sizes. if the files/devices do not exist and the size |
953 | * isn't passed to fio, abort. | |
0a7eb121 | 954 | */ |
7bb48f84 JA |
955 | total_size = 0; |
956 | for_each_file(td, f, i) { | |
49a416bd | 957 | f->fileno = i; |
7bb48f84 JA |
958 | if (f->real_file_size == -1ULL) |
959 | total_size = -1ULL; | |
960 | else | |
961 | total_size += f->real_file_size; | |
962 | } | |
0a7eb121 | 963 | |
de98bd30 | 964 | if (o->fill_device) |
2e3bd4c2 JA |
965 | td->fill_device_size = get_fs_free_counts(td); |
966 | ||
7bb48f84 JA |
967 | /* |
968 | * device/file sizes are zero and no size given, punt | |
969 | */ | |
de98bd30 | 970 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 971 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
972 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
973 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 974 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 975 | goto err_out; |
53cdc686 JA |
976 | } |
977 | ||
002fe734 JA |
978 | /* |
979 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 980 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 981 | */ |
d1e78e6b | 982 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
983 | uint64_t all_fs; |
984 | ||
985 | fs = o->size / o->nr_files; | |
986 | all_fs = fs * o->nr_files; | |
987 | ||
988 | if (all_fs < o->size) | |
989 | nr_fs_extra = (o->size - all_fs) / bs; | |
990 | } | |
991 | ||
7bb48f84 JA |
992 | /* |
993 | * now file sizes are known, so we can set ->io_size. if size= is | |
994 | * not given, ->io_size is just equal to ->real_file_size. if size | |
995 | * is given, ->io_size is size / nr_files. | |
996 | */ | |
997 | extend_size = total_size = 0; | |
998 | need_extend = 0; | |
999 | for_each_file(td, f, i) { | |
bedc9dc2 | 1000 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 1001 | |
79591fa9 TK |
1002 | /* |
1003 | * Update ->io_size depending on options specified. | |
1004 | * ->file_size_low being 0 means filesize option isn't set. | |
1005 | * Non zero ->file_size_low equals ->file_size_high means | |
1006 | * filesize option is set in a fixed size format. | |
1007 | * Non zero ->file_size_low not equals ->file_size_high means | |
1008 | * filesize option is set in a range format. | |
1009 | */ | |
de98bd30 | 1010 | if (!o->file_size_low) { |
7bb48f84 | 1011 | /* |
79591fa9 | 1012 | * no file size or range given, file size is equal to |
c4aa2d08 | 1013 | * total size divided by number of files. If the size |
002fe734 JA |
1014 | * doesn't divide nicely with the min blocksize, |
1015 | * make the first files bigger. | |
7bb48f84 | 1016 | */ |
002fe734 JA |
1017 | f->io_size = fs; |
1018 | if (nr_fs_extra) { | |
1019 | nr_fs_extra--; | |
1020 | f->io_size += bs; | |
1021 | } | |
1022 | ||
c4aa2d08 | 1023 | /* |
c6dfd837 TK |
1024 | * We normally don't come here for regular files, but |
1025 | * if the result is 0 for a regular file, set it to the | |
1026 | * real file size. This could be size of the existing | |
1027 | * one if it already exists, but otherwise will be set | |
1028 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
1029 | * ->io_size + ->file_offset equals ->real_file_size. |
1030 | */ | |
1031 | if (!f->io_size) { | |
1032 | if (f->file_offset > f->real_file_size) | |
1033 | goto err_offset; | |
273f8c91 | 1034 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
1035 | if (!f->io_size) |
1036 | log_info("fio: file %s may be ignored\n", | |
1037 | f->file_name); | |
1038 | } | |
de98bd30 JA |
1039 | } else if (f->real_file_size < o->file_size_low || |
1040 | f->real_file_size > o->file_size_high) { | |
1041 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1042 | goto err_offset; |
7bb48f84 JA |
1043 | /* |
1044 | * file size given. if it's fixed, use that. if it's a | |
1045 | * range, generate a random size in-between. | |
1046 | */ | |
de98bd30 JA |
1047 | if (o->file_size_low == o->file_size_high) |
1048 | f->io_size = o->file_size_low - f->file_offset; | |
1049 | else { | |
5ec10eaa JA |
1050 | f->io_size = get_rand_file_size(td) |
1051 | - f->file_offset; | |
1052 | } | |
65bdb10a | 1053 | } else |
bcdedd0a | 1054 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1055 | |
7bb48f84 JA |
1056 | if (f->io_size == -1ULL) |
1057 | total_size = -1ULL; | |
4d002569 | 1058 | else { |
e391c704 | 1059 | if (o->size_percent) { |
76e4bb4f SW |
1060 | uint64_t file_size; |
1061 | ||
1062 | file_size = f->io_size + f->file_offset; | |
1063 | f->io_size = (file_size * | |
1064 | o->size_percent) / 100; | |
1065 | if (f->io_size > (file_size - f->file_offset)) | |
1066 | f->io_size = file_size - f->file_offset; | |
1067 | ||
e391c704 JA |
1068 | f->io_size -= (f->io_size % td_min_bs(td)); |
1069 | } | |
7bb48f84 | 1070 | total_size += f->io_size; |
4d002569 | 1071 | } |
7bb48f84 JA |
1072 | |
1073 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 1074 | (f->io_size + f->file_offset) > f->real_file_size && |
9b87f09b | 1075 | !td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
5fd31680 JA |
1076 | if (!o->create_on_open) { |
1077 | need_extend++; | |
814452bd | 1078 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1079 | fio_file_set_extend(f); |
5fd31680 | 1080 | } else |
814452bd | 1081 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1082 | } |
7bb48f84 | 1083 | } |
53cdc686 | 1084 | |
66347cfa DE |
1085 | if (td->o.block_error_hist) { |
1086 | int len; | |
1087 | ||
1088 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1089 | f = td->files[0]; | |
1090 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1091 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1092 | log_err("fio: cannot calculate block histogram with " | |
1093 | "%d trim blocks, maximum %d\n", | |
1094 | len, MAX_NR_BLOCK_INFOS); | |
1095 | td_verror(td, EINVAL, "block_error_hist"); | |
1096 | goto err_out; | |
1097 | } | |
1098 | ||
1099 | td->ts.nr_block_infos = len; | |
8a68c41c | 1100 | for (i = 0; i < len; i++) |
66347cfa DE |
1101 | td->ts.block_infos[i] = |
1102 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1103 | } else | |
1104 | td->ts.nr_block_infos = 0; | |
1105 | ||
0bc27b0b | 1106 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1107 | o->size = total_size; |
21972cde | 1108 | |
d1faa06d JA |
1109 | if (o->size < td_min_bs(td)) { |
1110 | log_err("fio: blocksize too large for data set\n"); | |
1111 | goto err_out; | |
1112 | } | |
1113 | ||
7bb48f84 | 1114 | /* |
79591fa9 TK |
1115 | * See if we need to extend some files, typically needed when our |
1116 | * target regular files don't exist yet, but our jobs require them | |
1117 | * initially due to read I/Os. | |
7bb48f84 JA |
1118 | */ |
1119 | if (need_extend) { | |
1120 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1121 | if (output_format & FIO_OUTPUT_NORMAL) { |
1122 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1123 | o->name, | |
1124 | need_extend > 1 ? "s" : "", | |
1125 | need_extend, | |
1126 | need_extend > 1 ? "s" : "", | |
1127 | need_extend > 1 ? "total " : "", | |
1128 | extend_size >> 20); | |
1129 | } | |
7bb48f84 JA |
1130 | |
1131 | for_each_file(td, f, i) { | |
5e0074c2 | 1132 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1133 | |
d6aed795 | 1134 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1135 | continue; |
1136 | ||
409b3417 | 1137 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1138 | fio_file_clear_extend(f); |
de98bd30 | 1139 | if (!o->fill_device) { |
5e0074c2 | 1140 | old_len = f->real_file_size; |
0b9d69ec JA |
1141 | extend_len = f->io_size + f->file_offset - |
1142 | old_len; | |
5e0074c2 | 1143 | } |
bcdedd0a | 1144 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1145 | err = extend_file(td, f); |
1146 | if (err) | |
3baddf24 | 1147 | break; |
5e0074c2 | 1148 | |
3baddf24 JA |
1149 | err = __file_invalidate_cache(td, f, old_len, |
1150 | extend_len); | |
9824f73b JA |
1151 | |
1152 | /* | |
1153 | * Shut up static checker | |
1154 | */ | |
1155 | if (f->fd != -1) | |
1156 | close(f->fd); | |
1157 | ||
3baddf24 JA |
1158 | f->fd = -1; |
1159 | if (err) | |
7bb48f84 JA |
1160 | break; |
1161 | } | |
1162 | temp_stall_ts = 0; | |
1163 | } | |
1164 | ||
1165 | if (err) | |
e90391eb | 1166 | goto err_out; |
7bb48f84 | 1167 | |
de98bd30 JA |
1168 | if (!o->zone_size) |
1169 | o->zone_size = o->size; | |
7bb48f84 | 1170 | |
ea966f81 JA |
1171 | /* |
1172 | * iolog already set the total io size, if we read back | |
1173 | * stored entries. | |
1174 | */ | |
77731b29 | 1175 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1176 | if (o->io_size) |
1177 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1178 | else |
1179 | td->total_io_size = o->size * o->loops; | |
1180 | } | |
25460cf6 JA |
1181 | |
1182 | done: | |
de98bd30 | 1183 | if (o->create_only) |
25460cf6 JA |
1184 | td->done = 1; |
1185 | ||
8edd973d | 1186 | td_restore_runstate(td, old_state); |
7bb48f84 | 1187 | return 0; |
bcdedd0a | 1188 | err_offset: |
de98bd30 | 1189 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1190 | err_out: |
8edd973d | 1191 | td_restore_runstate(td, old_state); |
bcdedd0a | 1192 | return 1; |
53cdc686 JA |
1193 | } |
1194 | ||
afad68f7 ZY |
1195 | int pre_read_files(struct thread_data *td) |
1196 | { | |
1197 | struct fio_file *f; | |
1198 | unsigned int i; | |
1199 | ||
1200 | dprint(FD_FILE, "pre_read files\n"); | |
1201 | ||
1202 | for_each_file(td, f, i) { | |
afe0d59a TK |
1203 | if (pre_read_file(td, f)) |
1204 | return -1; | |
afad68f7 ZY |
1205 | } |
1206 | ||
afe0d59a | 1207 | return 0; |
afad68f7 ZY |
1208 | } |
1209 | ||
9c6f6316 JA |
1210 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
1211 | { | |
2316296a | 1212 | unsigned int range_size, seed; |
9c6f6316 | 1213 | unsigned long nranges; |
42da5c8b | 1214 | uint64_t fsize; |
9c6f6316 JA |
1215 | |
1216 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1217 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1218 | |
42da5c8b | 1219 | nranges = (fsize + range_size - 1) / range_size; |
9c6f6316 | 1220 | |
2316296a | 1221 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1222 | if (!td->o.rand_repeatable) |
1223 | seed = td->rand_seeds[4]; | |
1224 | ||
9c6f6316 | 1225 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1226 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1227 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1228 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1229 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1230 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1231 | |
1232 | return 1; | |
1233 | } | |
1234 | ||
1235 | static int init_rand_distribution(struct thread_data *td) | |
1236 | { | |
1237 | struct fio_file *f; | |
1238 | unsigned int i; | |
1239 | int state; | |
1240 | ||
1241 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1242 | return 0; | |
1243 | ||
8edd973d JA |
1244 | state = td_bump_runstate(td, TD_SETTING_UP); |
1245 | ||
9c6f6316 JA |
1246 | for_each_file(td, f, i) |
1247 | __init_rand_distribution(td, f); | |
8edd973d JA |
1248 | |
1249 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1250 | |
1251 | return 1; | |
1252 | } | |
1253 | ||
75f90d5f JA |
1254 | /* |
1255 | * Check if the number of blocks exceeds the randomness capability of | |
1256 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1257 | * 64-bit capable. | |
1258 | */ | |
1259 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1260 | uint64_t blocks) | |
1261 | { | |
1262 | if (blocks <= FRAND32_MAX) | |
1263 | return 0; | |
1264 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1265 | return 0; | |
1266 | ||
1267 | /* | |
1268 | * If the user hasn't specified a random generator, switch | |
1269 | * to tausworthe64 with informational warning. If the user did | |
1270 | * specify one, just warn. | |
1271 | */ | |
1272 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1273 | f->file_name); | |
1274 | ||
1275 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1276 | log_info("fio: Switching to tausworthe64. Use the " | |
1277 | "random_generator= option to get rid of this " | |
4e795a3e | 1278 | "warning.\n"); |
75f90d5f JA |
1279 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1280 | return 0; | |
1281 | } | |
1282 | ||
1283 | /* | |
1284 | * Just make this information to avoid breaking scripts. | |
1285 | */ | |
1286 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1287 | "tausworthe64.\n"); | |
1288 | return 0; | |
1289 | } | |
1290 | ||
68727076 JA |
1291 | int init_random_map(struct thread_data *td) |
1292 | { | |
51ede0b1 | 1293 | unsigned long long blocks; |
68727076 JA |
1294 | struct fio_file *f; |
1295 | unsigned int i; | |
1296 | ||
9c6f6316 JA |
1297 | if (init_rand_distribution(td)) |
1298 | return 0; | |
3831a843 | 1299 | if (!td_random(td)) |
68727076 JA |
1300 | return 0; |
1301 | ||
1302 | for_each_file(td, f, i) { | |
42da5c8b | 1303 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1304 | |
42da5c8b | 1305 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1306 | |
75f90d5f | 1307 | if (check_rand_gen_limits(td, f, blocks)) |
37fbd7e9 | 1308 | return 1; |
37fbd7e9 | 1309 | |
8055e41d | 1310 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1311 | unsigned long seed; |
1312 | ||
1313 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1314 | |
967d1b63 JA |
1315 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1316 | fio_file_set_lfsr(f); | |
8055e41d | 1317 | continue; |
967d1b63 | 1318 | } |
3831a843 | 1319 | } else if (!td->o.norandommap) { |
7ebd796f | 1320 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1321 | if (f->io_axmap) { |
1322 | fio_file_set_axmap(f); | |
8055e41d | 1323 | continue; |
967d1b63 | 1324 | } |
1cad7121 JA |
1325 | } else if (td->o.norandommap) |
1326 | continue; | |
ceadd59e | 1327 | |
2b386d25 | 1328 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1329 | log_err("fio: failed allocating random map. If running" |
1330 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1331 | " option or set 'softrandommap'. Or give" |
1332 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1333 | return 1; |
1334 | } | |
303032ae JA |
1335 | |
1336 | log_info("fio: file %s failed allocating random map. Running " | |
1337 | "job without.\n", f->file_name); | |
68727076 JA |
1338 | } |
1339 | ||
1340 | return 0; | |
1341 | } | |
1342 | ||
53cdc686 JA |
1343 | void close_files(struct thread_data *td) |
1344 | { | |
0ab8db89 | 1345 | struct fio_file *f; |
af52b345 | 1346 | unsigned int i; |
53cdc686 | 1347 | |
2be3eec3 JA |
1348 | for_each_file(td, f, i) { |
1349 | if (fio_file_open(f)) | |
1350 | td_io_close_file(td, f); | |
1351 | } | |
24ffd2c2 JA |
1352 | } |
1353 | ||
1354 | void close_and_free_files(struct thread_data *td) | |
1355 | { | |
1356 | struct fio_file *f; | |
1357 | unsigned int i; | |
1358 | ||
ee56ad50 JA |
1359 | dprint(FD_FILE, "close files\n"); |
1360 | ||
0ab8db89 | 1361 | for_each_file(td, f, i) { |
38ef9c90 CF |
1362 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1363 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1364 | td_io_unlink_file(td, f); | |
1365 | } | |
1366 | ||
22a57ba8 JA |
1367 | if (fio_file_open(f)) |
1368 | td_io_close_file(td, f); | |
1369 | ||
b9fbcf21 | 1370 | remove_file_hash(f); |
b3dc7f07 | 1371 | |
b5f4d8ba JA |
1372 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1373 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1374 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1375 | } |
1376 | ||
f17c4392 | 1377 | sfree(f->file_name); |
fa1da865 | 1378 | f->file_name = NULL; |
967d1b63 JA |
1379 | if (fio_file_axmap(f)) { |
1380 | axmap_free(f->io_axmap); | |
1381 | f->io_axmap = NULL; | |
1382 | } | |
78d99e6a | 1383 | sfree(f); |
53cdc686 | 1384 | } |
b4a6a59a | 1385 | |
2dc1bbeb | 1386 | td->o.filename = NULL; |
cade3ef4 | 1387 | free(td->files); |
d7df1d13 | 1388 | free(td->file_locks); |
9efef3c4 | 1389 | td->files_index = 0; |
b4a6a59a | 1390 | td->files = NULL; |
d7df1d13 | 1391 | td->file_locks = NULL; |
27ddbfa0 | 1392 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1393 | td->o.nr_files = 0; |
53cdc686 | 1394 | } |
af52b345 | 1395 | |
e3bab463 | 1396 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1397 | { |
1398 | struct stat sb; | |
1399 | ||
66159828 JA |
1400 | if (!strcmp(f->file_name, "-")) |
1401 | f->filetype = FIO_TYPE_PIPE; | |
1402 | else | |
1403 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1404 | |
d5b78f5a | 1405 | #ifdef WIN32 |
3892182a BC |
1406 | /* \\.\ is the device namespace in Windows, where every file is |
1407 | * a block device */ | |
1408 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1409 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1410 | #endif |
3892182a | 1411 | |
b30d395e | 1412 | if (!stat(f->file_name, &sb)) { |
3892182a | 1413 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1414 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1415 | else if (S_ISCHR(sb.st_mode)) |
1416 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1417 | else if (S_ISFIFO(sb.st_mode)) |
1418 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1419 | } |
1420 | } | |
1421 | ||
1b2a83dc | 1422 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1423 | { |
90426237 | 1424 | struct flist_head *entry; |
1b2a83dc | 1425 | bool ret; |
bcbfeefa | 1426 | |
1b2a83dc JA |
1427 | ret = file_bloom_exists(fname, set); |
1428 | if (!ret) | |
1429 | return ret; | |
90426237 JA |
1430 | |
1431 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1432 | struct file_name *fn; |
90426237 | 1433 | |
04d6530f JA |
1434 | fn = flist_entry(entry, struct file_name, list); |
1435 | ||
1436 | if (!strcmp(fn->filename, fname)) | |
1437 | return true; | |
90426237 JA |
1438 | } |
1439 | ||
04d6530f | 1440 | return false; |
bcbfeefa CE |
1441 | } |
1442 | ||
04d6530f | 1443 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1444 | { |
04d6530f | 1445 | bool ret; |
bcbfeefa | 1446 | |
90426237 | 1447 | fio_file_hash_lock(); |
1b2a83dc | 1448 | ret = __is_already_allocated(fname, false); |
90426237 | 1449 | fio_file_hash_unlock(); |
04d6530f | 1450 | |
90426237 JA |
1451 | return ret; |
1452 | } | |
bcbfeefa | 1453 | |
90426237 JA |
1454 | static void set_already_allocated(const char *fname) |
1455 | { | |
1456 | struct file_name *fn; | |
1457 | ||
1458 | fn = malloc(sizeof(struct file_name)); | |
1459 | fn->filename = strdup(fname); | |
1460 | ||
1461 | fio_file_hash_lock(); | |
1b2a83dc | 1462 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1463 | flist_add_tail(&fn->list, &filename_list); |
1464 | fn = NULL; | |
bcbfeefa | 1465 | } |
90426237 | 1466 | fio_file_hash_unlock(); |
bcbfeefa | 1467 | |
90426237 JA |
1468 | if (fn) { |
1469 | free(fn->filename); | |
1470 | free(fn); | |
1471 | } | |
bcbfeefa CE |
1472 | } |
1473 | ||
190b8f0c CF |
1474 | static void free_already_allocated(void) |
1475 | { | |
bcbfeefa CE |
1476 | struct flist_head *entry, *tmp; |
1477 | struct file_name *fn; | |
1478 | ||
90426237 JA |
1479 | if (flist_empty(&filename_list)) |
1480 | return; | |
1481 | ||
1482 | fio_file_hash_lock(); | |
1483 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1484 | fn = flist_entry(entry, struct file_name, list); | |
1485 | free(fn->filename); | |
1486 | flist_del(&fn->list); | |
1487 | free(fn); | |
bcbfeefa | 1488 | } |
90426237 JA |
1489 | |
1490 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1491 | } |
1492 | ||
7b5cb700 JA |
1493 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1494 | { | |
1495 | struct fio_file *f; | |
1496 | ||
1497 | f = smalloc(sizeof(*f)); | |
1498 | if (!f) { | |
7b5cb700 JA |
1499 | assert(0); |
1500 | return NULL; | |
1501 | } | |
1502 | ||
1503 | f->fd = -1; | |
1504 | f->shadow_fd = -1; | |
1505 | fio_file_reset(td, f); | |
1506 | return f; | |
1507 | } | |
1508 | ||
04d6530f JA |
1509 | bool exists_and_not_regfile(const char *filename) |
1510 | { | |
1511 | struct stat sb; | |
1512 | ||
1513 | if (lstat(filename, &sb) == -1) | |
1514 | return false; | |
1515 | ||
1516 | #ifndef WIN32 /* NOT Windows */ | |
1517 | if (S_ISREG(sb.st_mode)) | |
1518 | return false; | |
1519 | #else | |
1520 | /* \\.\ is the device namespace in Windows, where every file | |
1521 | * is a device node */ | |
1522 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1523 | return false; | |
1524 | #endif | |
1525 | ||
1526 | return true; | |
1527 | } | |
1528 | ||
5903e7b7 | 1529 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1530 | { |
7b4e4fe5 | 1531 | int cur_files = td->files_index; |
bd0ee748 | 1532 | char file_name[PATH_MAX]; |
af52b345 | 1533 | struct fio_file *f; |
bd0ee748 | 1534 | int len = 0; |
af52b345 | 1535 | |
ee56ad50 JA |
1536 | dprint(FD_FILE, "add file %s\n", fname); |
1537 | ||
bcbfeefa | 1538 | if (td->o.directory) |
922a5be8 JA |
1539 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1540 | td->o.unique_filename); | |
bcbfeefa CE |
1541 | |
1542 | sprintf(file_name + len, "%s", fname); | |
1543 | ||
1544 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1545 | if (numjob && is_already_allocated(file_name) && |
1546 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1547 | return 0; |
1548 | ||
7b5cb700 | 1549 | f = alloc_new_file(td); |
bd0ee748 | 1550 | |
fc99bc0d | 1551 | if (td->files_size <= td->files_index) { |
1983e327 | 1552 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1553 | |
fc99bc0d JA |
1554 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1555 | ||
1556 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1557 | if (td->files == NULL) { |
1558 | log_err("fio: realloc OOM\n"); | |
1559 | assert(0); | |
1560 | } | |
d7df1d13 JA |
1561 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1562 | td->file_locks = realloc(td->file_locks, new_size); | |
1563 | if (!td->file_locks) { | |
1564 | log_err("fio: realloc OOM\n"); | |
1565 | assert(0); | |
1566 | } | |
1567 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1568 | } | |
fc99bc0d JA |
1569 | td->files_size = new_size; |
1570 | } | |
8bb7679e | 1571 | td->files[cur_files] = f; |
89ac1d48 | 1572 | f->fileno = cur_files; |
126d65c6 | 1573 | |
07eb79df JA |
1574 | /* |
1575 | * init function, io engine may not be loaded yet | |
1576 | */ | |
9b87f09b | 1577 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1578 | f->real_file_size = -1ULL; |
1579 | ||
f17c4392 | 1580 | f->file_name = smalloc_strdup(file_name); |
81b3c86f | 1581 | if (!f->file_name) |
c48c0be7 | 1582 | assert(0); |
0b9d69ec | 1583 | |
e3bab463 | 1584 | get_file_type(f); |
af52b345 | 1585 | |
4d4e80f2 JA |
1586 | switch (td->o.file_lock_mode) { |
1587 | case FILE_LOCK_NONE: | |
1588 | break; | |
1589 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1590 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1591 | break; |
1592 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1593 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1594 | break; |
1595 | default: | |
1596 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1597 | assert(0); | |
1598 | } | |
29c1349f | 1599 | |
7b4e4fe5 | 1600 | td->files_index++; |
1549441c JA |
1601 | if (f->filetype == FIO_TYPE_FILE) |
1602 | td->nr_normal_files++; | |
f29b25a3 | 1603 | |
bcbfeefa CE |
1604 | set_already_allocated(file_name); |
1605 | ||
5903e7b7 JA |
1606 | if (inc) |
1607 | td->o.nr_files++; | |
1608 | ||
5ec10eaa JA |
1609 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1610 | cur_files); | |
9efef3c4 | 1611 | |
f29b25a3 | 1612 | return cur_files; |
af52b345 | 1613 | } |
0ad920e7 | 1614 | |
49ffb4a2 JA |
1615 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1616 | { | |
1617 | struct fio_file *f; | |
1618 | unsigned int i; | |
1619 | ||
1620 | for_each_file(td, f, i) { | |
1621 | if (!strcmp(f->file_name, fname)) | |
1622 | return i; | |
1623 | } | |
1624 | ||
5903e7b7 | 1625 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1626 | } |
1627 | ||
0ad920e7 JA |
1628 | void get_file(struct fio_file *f) |
1629 | { | |
8172fe97 | 1630 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1631 | assert(fio_file_open(f)); |
0ad920e7 JA |
1632 | f->references++; |
1633 | } | |
1634 | ||
6977bcd0 | 1635 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1636 | { |
98e1ac4e | 1637 | int f_ret = 0, ret = 0; |
6977bcd0 | 1638 | |
8172fe97 | 1639 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1640 | |
22a57ba8 JA |
1641 | if (!fio_file_open(f)) { |
1642 | assert(f->fd == -1); | |
6977bcd0 | 1643 | return 0; |
22a57ba8 | 1644 | } |
0ad920e7 JA |
1645 | |
1646 | assert(f->references); | |
1647 | if (--f->references) | |
6977bcd0 | 1648 | return 0; |
0ad920e7 | 1649 | |
71b84caa | 1650 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1651 | f_ret = fsync(f->fd); |
71b84caa JA |
1652 | if (f_ret < 0) |
1653 | f_ret = errno; | |
1654 | } | |
ebb1415f | 1655 | |
0ad920e7 | 1656 | if (td->io_ops->close_file) |
6977bcd0 | 1657 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1658 | |
98e1ac4e | 1659 | if (!ret) |
a5fb461f | 1660 | ret = f_ret; |
98e1ac4e | 1661 | |
0ad920e7 | 1662 | td->nr_open_files--; |
d6aed795 | 1663 | fio_file_clear_open(f); |
22a57ba8 | 1664 | assert(f->fd == -1); |
6977bcd0 | 1665 | return ret; |
0ad920e7 | 1666 | } |
bbf6b540 | 1667 | |
4d4e80f2 | 1668 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1669 | { |
4d4e80f2 JA |
1670 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1671 | return; | |
29c1349f | 1672 | |
4d4e80f2 JA |
1673 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1674 | if (ddir == DDIR_READ) | |
d7df1d13 | 1675 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1676 | else |
d7df1d13 | 1677 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1678 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1679 | fio_mutex_down(f->lock); | |
1680 | ||
d7df1d13 | 1681 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1682 | } |
1683 | ||
4d4e80f2 | 1684 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1685 | { |
4d4e80f2 JA |
1686 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1687 | return; | |
4d4e80f2 | 1688 | |
d7df1d13 JA |
1689 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1690 | fio_rwlock_unlock(f->rwlock); | |
1691 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1692 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1693 | |
1694 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1695 | } |
1696 | ||
4d4e80f2 JA |
1697 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1698 | { | |
f2a2803a | 1699 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1700 | return; |
d7df1d13 JA |
1701 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1702 | unlock_file(td, f); | |
4d4e80f2 JA |
1703 | } |
1704 | ||
bbf6b540 JA |
1705 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1706 | { | |
1707 | struct dirent *dir; | |
1708 | int ret = 0; | |
1709 | DIR *D; | |
1710 | ||
1711 | D = opendir(dirname); | |
1712 | if (!D) { | |
0ddb270c JA |
1713 | char buf[FIO_VERROR_SIZE]; |
1714 | ||
98ffb8f3 | 1715 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1716 | td_verror(td, errno, buf); |
bbf6b540 JA |
1717 | return 1; |
1718 | } | |
1719 | ||
1720 | while ((dir = readdir(D)) != NULL) { | |
1721 | char full_path[PATH_MAX]; | |
1722 | struct stat sb; | |
1723 | ||
e85b2b83 JA |
1724 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1725 | continue; | |
96d32d51 | 1726 | |
b9fd788f | 1727 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1728 | |
1729 | if (lstat(full_path, &sb) == -1) { | |
1730 | if (errno != ENOENT) { | |
1731 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1732 | ret = 1; |
1733 | break; | |
bbf6b540 JA |
1734 | } |
1735 | } | |
1736 | ||
1737 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1738 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1739 | continue; |
1740 | } | |
0ddb270c JA |
1741 | if (!S_ISDIR(sb.st_mode)) |
1742 | continue; | |
bbf6b540 | 1743 | |
5ec10eaa JA |
1744 | ret = recurse_dir(td, full_path); |
1745 | if (ret) | |
bbf6b540 JA |
1746 | break; |
1747 | } | |
1748 | ||
1749 | closedir(D); | |
1750 | return ret; | |
1751 | } | |
1752 | ||
1753 | int add_dir_files(struct thread_data *td, const char *path) | |
1754 | { | |
0ddb270c JA |
1755 | int ret = recurse_dir(td, path); |
1756 | ||
1757 | if (!ret) | |
1758 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1759 | ||
1760 | return ret; | |
bbf6b540 | 1761 | } |
cade3ef4 JA |
1762 | |
1763 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1764 | { | |
1765 | struct fio_file *f; | |
1766 | unsigned int i; | |
9efef3c4 JA |
1767 | |
1768 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1769 | |
1770 | if (!org->files) | |
1771 | return; | |
1772 | ||
9efef3c4 | 1773 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1774 | |
d7df1d13 JA |
1775 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1776 | td->file_locks = malloc(org->files_index); | |
1777 | ||
9efef3c4 | 1778 | for_each_file(org, f, i) { |
b0fe421a JA |
1779 | struct fio_file *__f; |
1780 | ||
7b5cb700 | 1781 | __f = alloc_new_file(td); |
0b9d69ec | 1782 | |
bc3456fa | 1783 | if (f->file_name) { |
f17c4392 | 1784 | __f->file_name = smalloc_strdup(f->file_name); |
81b3c86f | 1785 | if (!__f->file_name) |
c48c0be7 | 1786 | assert(0); |
0b9d69ec | 1787 | |
bc3456fa AC |
1788 | __f->filetype = f->filetype; |
1789 | } | |
b0fe421a | 1790 | |
67ad9242 JA |
1791 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1792 | __f->lock = f->lock; | |
1793 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1794 | __f->rwlock = f->rwlock; | |
1795 | ||
b0fe421a | 1796 | td->files[i] = __f; |
cade3ef4 JA |
1797 | } |
1798 | } | |
f29b25a3 JA |
1799 | |
1800 | /* | |
1801 | * Returns the index that matches the filename, or -1 if not there | |
1802 | */ | |
1803 | int get_fileno(struct thread_data *td, const char *fname) | |
1804 | { | |
1805 | struct fio_file *f; | |
1806 | unsigned int i; | |
1807 | ||
1808 | for_each_file(td, f, i) | |
1809 | if (!strcmp(f->file_name, fname)) | |
1810 | return i; | |
1811 | ||
1812 | return -1; | |
1813 | } | |
1814 | ||
1815 | /* | |
1816 | * For log usage, where we add/open/close files automatically | |
1817 | */ | |
1818 | void free_release_files(struct thread_data *td) | |
1819 | { | |
1820 | close_files(td); | |
66ee4002 JA |
1821 | td->o.nr_files = 0; |
1822 | td->o.open_files = 0; | |
f29b25a3 JA |
1823 | td->files_index = 0; |
1824 | td->nr_normal_files = 0; | |
1825 | } | |
33c48814 JA |
1826 | |
1827 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1828 | { | |
f1dfb668 JA |
1829 | int i; |
1830 | ||
1831 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1832 | f->last_pos[i] = f->file_offset; | |
1833 | f->last_start[i] = -1ULL; | |
1834 | } | |
1835 | ||
967d1b63 | 1836 | if (fio_file_axmap(f)) |
33c48814 | 1837 | axmap_reset(f->io_axmap); |
967d1b63 | 1838 | else if (fio_file_lfsr(f)) |
33c48814 JA |
1839 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
1840 | } | |
002fe734 | 1841 | |
747b3105 | 1842 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1843 | { |
1844 | struct fio_file *f; | |
1845 | unsigned int i; | |
1846 | ||
1847 | for_each_file(td, f, i) | |
1848 | if (!fio_file_done(f)) | |
747b3105 | 1849 | return false; |
002fe734 | 1850 | |
747b3105 | 1851 | return true; |
002fe734 | 1852 | } |
bcbfeefa CE |
1853 | |
1854 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1855 | void filesetup_mem_free(void) |
1856 | { | |
bcbfeefa CE |
1857 | free_already_allocated(); |
1858 | } | |
47534cda TK |
1859 | |
1860 | /* | |
1861 | * This function is for platforms which support direct I/O but not O_DIRECT. | |
1862 | */ | |
1863 | int fio_set_directio(struct thread_data *td, struct fio_file *f) | |
1864 | { | |
1865 | #ifdef FIO_OS_DIRECTIO | |
2905de74 | 1866 | int ret = fio_set_odirect(f); |
47534cda TK |
1867 | |
1868 | if (ret) { | |
1869 | td_verror(td, ret, "fio_set_directio"); | |
1870 | #if defined(__sun__) | |
1871 | if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */ | |
1872 | log_err("fio: doing directIO to RAW devices or ZFS not supported\n"); | |
1873 | } else { | |
1874 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1875 | } | |
1876 | #else | |
1877 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1878 | #endif | |
1879 | return -1; | |
1880 | } | |
1881 | ||
1882 | return 0; | |
1883 | #else | |
1884 | return -1; | |
1885 | #endif | |
1886 | } |