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 | 7 | #include <sys/stat.h> |
53cdc686 JA |
8 | |
9 | #include "fio.h" | |
f17c4392 | 10 | #include "smalloc.h" |
4906e0b5 | 11 | #include "filehash.h" |
bcbfeefa | 12 | #include "options.h" |
ecc314ba | 13 | #include "os/os.h" |
2316296a | 14 | #include "hash.h" |
7ebd796f | 15 | #include "lib/axmap.h" |
ae626d4e | 16 | #include "rwlock.h" |
bfbdd35b | 17 | #include "zbd.h" |
53cdc686 | 18 | |
97ac992c | 19 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
20 | #include <linux/falloc.h> |
21 | #endif | |
22 | ||
bcbfeefa CE |
23 | static FLIST_HEAD(filename_list); |
24 | ||
bf651609 TK |
25 | /* |
26 | * List entry for filename_list | |
27 | */ | |
28 | struct file_name { | |
29 | struct flist_head list; | |
30 | char *filename; | |
31 | }; | |
32 | ||
c592b9fe JA |
33 | static inline void clear_error(struct thread_data *td) |
34 | { | |
35 | td->error = 0; | |
36 | td->verror[0] = '\0'; | |
37 | } | |
38 | ||
c75f74fb | 39 | static int native_fallocate(struct thread_data *td, struct fio_file *f) |
2c3e17be SW |
40 | { |
41 | bool success; | |
42 | ||
43 | success = fio_fallocate(f, 0, f->real_file_size); | |
44 | dprint(FD_FILE, "native fallocate of file %s size %llu was " | |
45 | "%ssuccessful\n", f->file_name, | |
46 | (unsigned long long) f->real_file_size, | |
47 | !success ? "un": ""); | |
48 | ||
49 | if (success) | |
c0aabe37 | 50 | return false; |
2c3e17be SW |
51 | |
52 | if (errno == ENOSYS) | |
53 | dprint(FD_FILE, "native fallocate is not implemented\n"); | |
54 | ||
c0aabe37 | 55 | return true; |
2c3e17be SW |
56 | } |
57 | ||
005eb303 JA |
58 | static void fallocate_file(struct thread_data *td, struct fio_file *f) |
59 | { | |
005eb303 JA |
60 | if (td->o.fill_device) |
61 | return; | |
62 | ||
005eb303 | 63 | switch (td->o.fallocate_mode) { |
2c3e17be | 64 | case FIO_FALLOCATE_NATIVE: |
c0aabe37 | 65 | native_fallocate(td, f); |
2c3e17be | 66 | break; |
005eb303 JA |
67 | case FIO_FALLOCATE_NONE: |
68 | break; | |
2c3e17be | 69 | #ifdef CONFIG_POSIX_FALLOCATE |
52db2dac JA |
70 | case FIO_FALLOCATE_POSIX: { |
71 | int r; | |
72 | ||
005eb303 JA |
73 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", |
74 | f->file_name, | |
75 | (unsigned long long) f->real_file_size); | |
76 | ||
77 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
78 | if (r > 0) | |
79 | log_err("fio: posix_fallocate fails: %s\n", strerror(r)); | |
80 | break; | |
52db2dac | 81 | } |
2c3e17be | 82 | #endif /* CONFIG_POSIX_FALLOCATE */ |
005eb303 | 83 | #ifdef CONFIG_LINUX_FALLOCATE |
52db2dac JA |
84 | case FIO_FALLOCATE_KEEP_SIZE: { |
85 | int r; | |
86 | ||
005eb303 JA |
87 | dprint(FD_FILE, "fallocate(FALLOC_FL_KEEP_SIZE) " |
88 | "file %s size %llu\n", f->file_name, | |
89 | (unsigned long long) f->real_file_size); | |
90 | ||
91 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, f->real_file_size); | |
92 | if (r != 0) | |
93 | td_verror(td, errno, "fallocate"); | |
94 | ||
95 | break; | |
52db2dac | 96 | } |
005eb303 | 97 | #endif /* CONFIG_LINUX_FALLOCATE */ |
38ca5f03 TV |
98 | case FIO_FALLOCATE_TRUNCATE: { |
99 | int r; | |
100 | ||
101 | dprint(FD_FILE, "ftruncate file %s size %llu\n", | |
102 | f->file_name, | |
103 | (unsigned long long) f->real_file_size); | |
104 | r = ftruncate(f->fd, f->real_file_size); | |
105 | if (r != 0) | |
106 | td_verror(td, errno, "ftruncate"); | |
107 | ||
108 | break; | |
109 | } | |
005eb303 JA |
110 | default: |
111 | log_err("fio: unknown fallocate mode: %d\n", td->o.fallocate_mode); | |
112 | assert(0); | |
113 | } | |
005eb303 JA |
114 | } |
115 | ||
3baddf24 JA |
116 | /* |
117 | * Leaves f->fd open on success, caller must close | |
118 | */ | |
7bb48f84 | 119 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 120 | { |
005eb303 | 121 | int new_layout = 0, unlink_file = 0, flags; |
25205e97 | 122 | unsigned long long left; |
5fff9543 | 123 | unsigned long long bs; |
f3e1eb23 | 124 | char *b = NULL; |
b2a15192 | 125 | |
4241ea8f JA |
126 | if (read_only) { |
127 | log_err("fio: refusing extend of file due to read-only\n"); | |
128 | return 0; | |
129 | } | |
130 | ||
507a702f JA |
131 | /* |
132 | * check if we need to lay the file out complete again. fio | |
133 | * does that for operations involving reads, or for writes | |
134 | * where overwrite is set | |
135 | */ | |
1417daeb JA |
136 | if (td_read(td) || |
137 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
9b87f09b | 138 | (td_write(td) && td_ioengine_flagged(td, FIO_NOEXTEND))) |
507a702f | 139 | new_layout = 1; |
1417daeb | 140 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 141 | unlink_file = 1; |
507a702f | 142 | |
6ae1f57f | 143 | if (unlink_file || new_layout) { |
2442c935 JA |
144 | int ret; |
145 | ||
bd199f2b | 146 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
2442c935 JA |
147 | |
148 | ret = td_io_unlink_file(td, f); | |
149 | if (ret != 0 && ret != ENOENT) { | |
7bb48f84 JA |
150 | td_verror(td, errno, "unlink"); |
151 | return 1; | |
152 | } | |
153 | } | |
154 | ||
2378826d JA |
155 | flags = O_WRONLY; |
156 | if (td->o.allow_create) | |
157 | flags |= O_CREAT; | |
507a702f JA |
158 | if (new_layout) |
159 | flags |= O_TRUNC; | |
160 | ||
9c0f3f32 BC |
161 | #ifdef WIN32 |
162 | flags |= _O_BINARY; | |
163 | #endif | |
164 | ||
ee56ad50 | 165 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 166 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 167 | if (f->fd < 0) { |
2378826d JA |
168 | int err = errno; |
169 | ||
170 | if (err == ENOENT && !td->o.allow_create) | |
171 | log_err("fio: file creation disallowed by " | |
172 | "allow_file_create=0\n"); | |
323876fb | 173 | else |
2378826d | 174 | td_verror(td, err, "open"); |
53cdc686 JA |
175 | return 1; |
176 | } | |
177 | ||
005eb303 | 178 | fallocate_file(td, f); |
9b836561 | 179 | |
79591fa9 TK |
180 | /* |
181 | * If our jobs don't require regular files initially, we're done. | |
182 | */ | |
fc74ac1d SL |
183 | if (!new_layout) |
184 | goto done; | |
185 | ||
5e0074c2 JA |
186 | /* |
187 | * The size will be -1ULL when fill_device is used, so don't truncate | |
188 | * or fallocate this file, just write it | |
189 | */ | |
190 | if (!td->o.fill_device) { | |
191 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 192 | (unsigned long long) f->real_file_size); |
5e0074c2 | 193 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
194 | if (errno != EFBIG) { |
195 | td_verror(td, errno, "ftruncate"); | |
196 | goto err; | |
197 | } | |
5e0074c2 | 198 | } |
5e0074c2 | 199 | } |
40f8298c | 200 | |
82d8de31 TK |
201 | left = f->real_file_size; |
202 | bs = td->o.max_bs[DDIR_WRITE]; | |
203 | if (bs > left) | |
204 | bs = left; | |
205 | ||
323876fb | 206 | b = malloc(bs); |
84af30a1 | 207 | if (!b) { |
323876fb | 208 | td_verror(td, errno, "malloc"); |
84af30a1 TK |
209 | goto err; |
210 | } | |
53cdc686 | 211 | |
53cdc686 | 212 | while (left && !td->terminate) { |
005eb303 JA |
213 | ssize_t r; |
214 | ||
53cdc686 JA |
215 | if (bs > left) |
216 | bs = left; | |
217 | ||
cc86c395 JA |
218 | fill_io_buffer(td, b, bs, bs); |
219 | ||
53cdc686 JA |
220 | r = write(f->fd, b, bs); |
221 | ||
5e0074c2 JA |
222 | if (r > 0) { |
223 | left -= r; | |
53cdc686 JA |
224 | continue; |
225 | } else { | |
5e0074c2 JA |
226 | if (r < 0) { |
227 | int __e = errno; | |
228 | ||
229 | if (__e == ENOSPC) { | |
230 | if (td->o.fill_device) | |
231 | break; | |
232 | log_info("fio: ENOSPC on laying out " | |
233 | "file, stopping\n"); | |
234 | break; | |
235 | } | |
e1161c32 | 236 | td_verror(td, errno, "write"); |
5e0074c2 | 237 | } else |
e1161c32 | 238 | td_verror(td, EIO, "write"); |
53cdc686 JA |
239 | |
240 | break; | |
241 | } | |
242 | } | |
243 | ||
ffdfabd4 JA |
244 | if (td->terminate) { |
245 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 246 | td_io_unlink_file(td, f); |
ffdfabd4 | 247 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
248 | if (fsync(f->fd) < 0) { |
249 | td_verror(td, errno, "fsync"); | |
250 | goto err; | |
251 | } | |
252 | } | |
0d1cd207 | 253 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 254 | fio_file_clear_size_known(f); |
5e0074c2 JA |
255 | if (td_io_get_file_size(td, f)) |
256 | goto err; | |
257 | if (f->io_size > f->real_file_size) | |
258 | f->io_size = f->real_file_size; | |
259 | } | |
53cdc686 | 260 | |
323876fb | 261 | free(b); |
507a702f | 262 | done: |
53cdc686 JA |
263 | return 0; |
264 | err: | |
265 | close(f->fd); | |
266 | f->fd = -1; | |
f3e1eb23 | 267 | if (b) |
323876fb | 268 | free(b); |
53cdc686 JA |
269 | return 1; |
270 | } | |
271 | ||
c139f3b4 | 272 | static bool pre_read_file(struct thread_data *td, struct fio_file *f) |
afad68f7 | 273 | { |
c139f3b4 | 274 | int r, did_open = 0, old_runstate; |
afad68f7 | 275 | unsigned long long left; |
5fff9543 | 276 | unsigned long long bs; |
c139f3b4 | 277 | bool ret = true; |
afad68f7 ZY |
278 | char *b; |
279 | ||
736f1188 TK |
280 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
281 | td_ioengine_flagged(td, FIO_NOIO)) | |
c139f3b4 | 282 | return true; |
9c0d2241 | 283 | |
e658078b | 284 | if (f->filetype == FIO_TYPE_CHAR) |
c139f3b4 | 285 | return true; |
e658078b | 286 | |
d6aed795 | 287 | if (!fio_file_open(f)) { |
b0f65863 JA |
288 | if (td->io_ops->open_file(td, f)) { |
289 | log_err("fio: cannot pre-read, failed to open file\n"); | |
c139f3b4 | 290 | return false; |
b0f65863 JA |
291 | } |
292 | did_open = 1; | |
293 | } | |
294 | ||
8edd973d | 295 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 296 | |
82d8de31 | 297 | left = f->io_size; |
afad68f7 | 298 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
299 | if (bs > left) |
300 | bs = left; | |
301 | ||
afad68f7 | 302 | b = malloc(bs); |
84af30a1 TK |
303 | if (!b) { |
304 | td_verror(td, errno, "malloc"); | |
c139f3b4 | 305 | ret = false; |
84af30a1 TK |
306 | goto error; |
307 | } | |
afad68f7 ZY |
308 | memset(b, 0, bs); |
309 | ||
ef799a64 JA |
310 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
311 | td_verror(td, errno, "lseek"); | |
312 | log_err("fio: failed to lseek pre-read file\n"); | |
c139f3b4 | 313 | ret = false; |
ef799a64 JA |
314 | goto error; |
315 | } | |
316 | ||
afad68f7 ZY |
317 | while (left && !td->terminate) { |
318 | if (bs > left) | |
319 | bs = left; | |
320 | ||
321 | r = read(f->fd, b, bs); | |
322 | ||
323 | if (r == (int) bs) { | |
324 | left -= bs; | |
325 | continue; | |
326 | } else { | |
327 | td_verror(td, EIO, "pre_read"); | |
328 | break; | |
329 | } | |
330 | } | |
331 | ||
ef799a64 | 332 | error: |
8edd973d | 333 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
334 | |
335 | if (did_open) | |
336 | td->io_ops->close_file(td, f); | |
ef799a64 | 337 | |
afad68f7 | 338 | free(b); |
ef799a64 | 339 | return ret; |
afad68f7 ZY |
340 | } |
341 | ||
a3f001f5 | 342 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 343 | { |
dc873b6f | 344 | unsigned long long ret, sized; |
c3546b53 | 345 | uint64_t frand_max; |
ed06087e | 346 | uint64_t r; |
9c60ce64 | 347 | |
c3546b53 | 348 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 349 | r = __rand(&td->file_size_state); |
54a21917 | 350 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 351 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 352 | ret += td->o.file_size_low; |
2dc1bbeb | 353 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
354 | return ret; |
355 | } | |
356 | ||
53cdc686 JA |
357 | static int file_size(struct thread_data *td, struct fio_file *f) |
358 | { | |
359 | struct stat st; | |
360 | ||
df9c26b1 | 361 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
362 | td_verror(td, errno, "fstat"); |
363 | return 1; | |
364 | } | |
53cdc686 | 365 | |
7bb48f84 | 366 | f->real_file_size = st.st_size; |
53cdc686 JA |
367 | return 0; |
368 | } | |
369 | ||
370 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
371 | { | |
9b836561 | 372 | unsigned long long bytes = 0; |
53cdc686 JA |
373 | int r; |
374 | ||
df9c26b1 JA |
375 | if (td->io_ops->open_file(td, f)) { |
376 | log_err("fio: failed opening blockdev %s for size check\n", | |
377 | f->file_name); | |
378 | return 1; | |
379 | } | |
380 | ||
ecc314ba | 381 | r = blockdev_size(f, &bytes); |
53cdc686 | 382 | if (r) { |
e1161c32 | 383 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 384 | goto err; |
53cdc686 JA |
385 | } |
386 | ||
7ab077ab JA |
387 | if (!bytes) { |
388 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 389 | goto err; |
7ab077ab JA |
390 | } |
391 | ||
53cdc686 | 392 | f->real_file_size = bytes; |
22a57ba8 | 393 | td->io_ops->close_file(td, f); |
53cdc686 | 394 | return 0; |
df9c26b1 JA |
395 | err: |
396 | td->io_ops->close_file(td, f); | |
397 | return 1; | |
53cdc686 JA |
398 | } |
399 | ||
4ccdccd1 JA |
400 | static int char_size(struct thread_data *td, struct fio_file *f) |
401 | { | |
402 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 403 | unsigned long long bytes = 0; |
4ccdccd1 JA |
404 | int r; |
405 | ||
406 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 407 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
408 | f->file_name); |
409 | return 1; | |
410 | } | |
411 | ||
ecc314ba | 412 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
413 | if (r) { |
414 | td_verror(td, r, "chardev_size"); | |
415 | goto err; | |
416 | } | |
417 | ||
418 | if (!bytes) { | |
419 | log_err("%s: zero sized char device?\n", f->file_name); | |
420 | goto err; | |
421 | } | |
422 | ||
423 | f->real_file_size = bytes; | |
424 | td->io_ops->close_file(td, f); | |
425 | return 0; | |
426 | err: | |
427 | td->io_ops->close_file(td, f); | |
428 | return 1; | |
429 | #else | |
430 | f->real_file_size = -1ULL; | |
431 | return 0; | |
432 | #endif | |
433 | } | |
434 | ||
53cdc686 JA |
435 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
436 | { | |
437 | int ret = 0; | |
438 | ||
d6aed795 | 439 | if (fio_file_size_known(f)) |
409b3417 JA |
440 | return 0; |
441 | ||
7bb48f84 JA |
442 | if (f->filetype == FIO_TYPE_FILE) |
443 | ret = file_size(td, f); | |
686fbd31 | 444 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 445 | ret = bdev_size(td, f); |
4ccdccd1 JA |
446 | else if (f->filetype == FIO_TYPE_CHAR) |
447 | ret = char_size(td, f); | |
8bd809f5 TK |
448 | else { |
449 | f->real_file_size = -1; | |
450 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
451 | f->file_name); | |
452 | return 1; /* avoid offset extends end error message */ | |
453 | } | |
53cdc686 | 454 | |
79591fa9 TK |
455 | /* |
456 | * Leave ->real_file_size with 0 since it could be expectation | |
457 | * of initial setup for regular files. | |
458 | */ | |
a0cb220b | 459 | if (ret) |
53cdc686 JA |
460 | return ret; |
461 | ||
957c81b9 TK |
462 | /* |
463 | * ->file_offset normally hasn't been initialized yet, so this | |
8bd809f5 TK |
464 | * is basically always false unless ->real_file_size is -1, but |
465 | * if ->real_file_size is -1 this message doesn't make sense. | |
466 | * As a result, this message is basically useless. | |
957c81b9 | 467 | */ |
53cdc686 | 468 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 469 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
470 | (unsigned long long) f->file_offset, |
471 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
472 | return 1; |
473 | } | |
474 | ||
d6aed795 | 475 | fio_file_set_size_known(f); |
53cdc686 JA |
476 | return 0; |
477 | } | |
478 | ||
3baddf24 JA |
479 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
480 | unsigned long long off, | |
481 | unsigned long long len) | |
e5b401d4 | 482 | { |
942a851a | 483 | int errval = 0, ret = 0; |
e5b401d4 | 484 | |
c8931876 JA |
485 | #ifdef CONFIG_ESX |
486 | return 0; | |
487 | #endif | |
488 | ||
5e0074c2 | 489 | if (len == -1ULL) |
3baddf24 JA |
490 | len = f->io_size; |
491 | if (off == -1ULL) | |
492 | off = f->file_offset; | |
ee56ad50 | 493 | |
0d1cd207 JA |
494 | if (len == -1ULL || off == -1ULL) |
495 | return 0; | |
496 | ||
942a851a | 497 | if (td->io_ops->invalidate) { |
4499dbef TK |
498 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
499 | f->file_name); | |
d9b100fc | 500 | ret = td->io_ops->invalidate(td, f); |
942a851a | 501 | if (ret < 0) |
afd118db | 502 | errval = -ret; |
4e18b4d9 SW |
503 | } else if (td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
504 | dprint(FD_IO, "invalidate not supported by ioengine %s\n", | |
505 | td->io_ops->name); | |
942a851a | 506 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
507 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
508 | f->file_name, off, len); | |
ecc314ba | 509 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 510 | if (ret) |
942a851a | 511 | errval = ret; |
686fbd31 | 512 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
513 | int retry_count = 0; |
514 | ||
4499dbef | 515 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 516 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
517 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
518 | /* | |
519 | * Linux multipath devices reject ioctl while | |
520 | * the maps are being updated. That window can | |
521 | * last tens of milliseconds; we'll try up to | |
522 | * a quarter of a second. | |
523 | */ | |
524 | usleep(10000); | |
525 | ret = blockdev_invalidate_cache(f); | |
526 | } | |
7e0e25c9 | 527 | if (ret < 0 && errno == EACCES && geteuid()) { |
5bdc4522 | 528 | if (!fio_did_warn(FIO_WARN_ROOT_FLUSH)) { |
5ec10eaa JA |
529 | log_err("fio: only root may flush block " |
530 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 | 531 | } |
7e0e25c9 | 532 | } |
942a851a JA |
533 | if (ret < 0) |
534 | errval = errno; | |
4499dbef TK |
535 | } else if (f->filetype == FIO_TYPE_CHAR || |
536 | f->filetype == FIO_TYPE_PIPE) { | |
537 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
4499dbef | 538 | } |
e5b401d4 | 539 | |
dfe11fd1 JA |
540 | /* |
541 | * Cache flushing isn't a fatal condition, and we know it will | |
542 | * happen on some platforms where we don't have the proper | |
543 | * function to flush eg block device caches. So just warn and | |
544 | * continue on our way. | |
545 | */ | |
942a851a | 546 | if (errval) |
22de5d77 TK |
547 | log_info("fio: cache invalidation of %s failed: %s\n", |
548 | f->file_name, strerror(errval)); | |
e5b401d4 | 549 | |
dfe11fd1 | 550 | return 0; |
3baddf24 JA |
551 | |
552 | } | |
553 | ||
554 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
555 | { | |
d6aed795 | 556 | if (!fio_file_open(f)) |
a5fb461f JA |
557 | return 0; |
558 | ||
5e0074c2 | 559 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
560 | } |
561 | ||
6977bcd0 | 562 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 563 | { |
6977bcd0 JA |
564 | int ret = 0; |
565 | ||
ee56ad50 | 566 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
567 | |
568 | remove_file_hash(f); | |
569 | ||
6977bcd0 JA |
570 | if (close(f->fd) < 0) |
571 | ret = errno; | |
572 | ||
b5af8293 | 573 | f->fd = -1; |
e6c4d732 JA |
574 | |
575 | if (f->shadow_fd != -1) { | |
576 | close(f->shadow_fd); | |
577 | f->shadow_fd = -1; | |
578 | } | |
579 | ||
710bf9c5 | 580 | f->engine_pos = 0; |
6977bcd0 | 581 | return ret; |
53cdc686 JA |
582 | } |
583 | ||
1ccc6dc7 | 584 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 585 | { |
29c1349f | 586 | struct fio_file *__f; |
4d4e80f2 JA |
587 | int from_hash; |
588 | ||
589 | __f = lookup_file_hash(f->file_name); | |
590 | if (__f) { | |
9efef3c4 | 591 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 592 | f->lock = __f->lock; |
4d4e80f2 JA |
593 | from_hash = 1; |
594 | } else { | |
9efef3c4 | 595 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
596 | from_hash = 0; |
597 | } | |
598 | ||
9c0f3f32 BC |
599 | #ifdef WIN32 |
600 | flags |= _O_BINARY; | |
601 | #endif | |
602 | ||
e8670ef8 | 603 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
604 | return from_hash; |
605 | } | |
606 | ||
e6c4d732 JA |
607 | static int file_close_shadow_fds(struct thread_data *td) |
608 | { | |
609 | struct fio_file *f; | |
610 | int num_closed = 0; | |
611 | unsigned int i; | |
612 | ||
613 | for_each_file(td, f, i) { | |
614 | if (f->shadow_fd == -1) | |
615 | continue; | |
616 | ||
617 | close(f->shadow_fd); | |
618 | f->shadow_fd = -1; | |
619 | num_closed++; | |
620 | } | |
621 | ||
622 | return num_closed; | |
623 | } | |
624 | ||
4d4e80f2 JA |
625 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
626 | { | |
66159828 | 627 | int is_std = 0; |
53cdc686 | 628 | int flags = 0; |
29c1349f | 629 | int from_hash = 0; |
53cdc686 | 630 | |
ee56ad50 JA |
631 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
632 | ||
66159828 JA |
633 | if (!strcmp(f->file_name, "-")) { |
634 | if (td_rw(td)) { | |
635 | log_err("fio: can't read/write to stdin/out\n"); | |
636 | return 1; | |
637 | } | |
638 | is_std = 1; | |
ce98fa66 JA |
639 | |
640 | /* | |
641 | * move output logging to stderr, if we are writing to stdout | |
642 | */ | |
643 | if (td_write(td)) | |
644 | f_out = stderr; | |
66159828 JA |
645 | } |
646 | ||
6eaf09d6 SL |
647 | if (td_trim(td)) |
648 | goto skip_flags; | |
2dc1bbeb | 649 | if (td->o.odirect) |
2fd233b7 | 650 | flags |= OS_O_DIRECT; |
d01612f3 CM |
651 | if (td->o.oatomic) { |
652 | if (!FIO_O_ATOMIC) { | |
653 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
654 | return 1; | |
655 | } | |
656 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
657 | } | |
2dc1bbeb | 658 | if (td->o.sync_io) |
2fd233b7 | 659 | flags |= O_SYNC; |
2378826d | 660 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 661 | flags |= O_CREAT; |
6eaf09d6 SL |
662 | skip_flags: |
663 | if (f->filetype != FIO_TYPE_FILE) | |
664 | flags |= FIO_O_NOATIME; | |
53cdc686 | 665 | |
056f3459 | 666 | open_again: |
660a1cb5 | 667 | if (td_write(td)) { |
17308158 JA |
668 | if (!read_only) |
669 | flags |= O_RDWR; | |
53cdc686 | 670 | |
2378826d | 671 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 672 | flags |= O_CREAT; |
2fd233b7 | 673 | |
66159828 JA |
674 | if (is_std) |
675 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
676 | else |
677 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 678 | } else if (td_read(td)) { |
4241ea8f | 679 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
680 | flags |= O_RDWR; |
681 | else | |
682 | flags |= O_RDONLY; | |
683 | ||
66159828 JA |
684 | if (is_std) |
685 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
686 | else |
687 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
688 | } else if (td_trim(td)) { |
689 | assert(!td_rw(td)); /* should have matched above */ | |
11ff4c37 VF |
690 | if (!read_only) |
691 | flags |= O_RDWR; | |
6eaf09d6 | 692 | from_hash = file_lookup_open(f, flags); |
53cdc686 JA |
693 | } |
694 | ||
695 | if (f->fd == -1) { | |
e4e33258 | 696 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
697 | int __e = errno; |
698 | ||
835d9b9e | 699 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 700 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
701 | goto open_again; |
702 | } | |
e6c4d732 JA |
703 | if (__e == EMFILE && file_close_shadow_fds(td)) |
704 | goto open_again; | |
056f3459 | 705 | |
98ffb8f3 | 706 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 707 | |
a93c5f04 JA |
708 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
709 | log_err("fio: looks like your file system does not " \ | |
710 | "support direct=1/buffered=0\n"); | |
711 | } | |
712 | ||
e4e33258 | 713 | td_verror(td, __e, buf); |
3ce3ad33 | 714 | return 1; |
53cdc686 JA |
715 | } |
716 | ||
29c1349f JA |
717 | if (!from_hash && f->fd != -1) { |
718 | if (add_file_hash(f)) { | |
3f0ca9b9 | 719 | int fio_unused ret; |
29c1349f JA |
720 | |
721 | /* | |
e6c4d732 JA |
722 | * Stash away descriptor for later close. This is to |
723 | * work-around a "feature" on Linux, where a close of | |
724 | * an fd that has been opened for write will trigger | |
725 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 726 | * That pollutes the device cache, which can slow down |
e6c4d732 | 727 | * unbuffered accesses. |
29c1349f | 728 | */ |
e6c4d732 JA |
729 | if (f->shadow_fd == -1) |
730 | f->shadow_fd = f->fd; | |
731 | else { | |
732 | /* | |
733 | * OK to ignore, we haven't done anything | |
734 | * with it | |
735 | */ | |
736 | ret = generic_close_file(td, f); | |
737 | } | |
29c1349f JA |
738 | goto open_again; |
739 | } | |
740 | } | |
4906e0b5 | 741 | |
53cdc686 | 742 | return 0; |
b5af8293 JA |
743 | } |
744 | ||
79591fa9 TK |
745 | /* |
746 | * This function i.e. get_file_size() is the default .get_file_size | |
747 | * implementation of majority of I/O engines. | |
748 | */ | |
df9c26b1 | 749 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 750 | { |
df9c26b1 | 751 | return get_file_size(td, f); |
21972cde JA |
752 | } |
753 | ||
7bb48f84 JA |
754 | /* |
755 | * open/close all files, so that ->real_file_size gets set | |
756 | */ | |
bab3fd58 | 757 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
758 | { |
759 | struct fio_file *f; | |
760 | unsigned int i; | |
bab3fd58 | 761 | int err = 0; |
7bb48f84 JA |
762 | |
763 | for_each_file(td, f, i) { | |
08c44a55 | 764 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 765 | f->file_name); |
9efef3c4 | 766 | |
99a47c69 | 767 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
768 | if (td->error != ENOENT) { |
769 | log_err("%s\n", td->verror); | |
770 | err = 1; | |
3ce3ad33 | 771 | break; |
40b44f4a | 772 | } |
541d66d7 | 773 | clear_error(td); |
07eb79df | 774 | } |
409b3417 | 775 | |
79591fa9 TK |
776 | /* |
777 | * There are corner cases where we end up with -1 for | |
778 | * ->real_file_size due to unsupported file type, etc. | |
779 | * We then just set to size option value divided by number | |
780 | * of files, similar to the way file ->io_size is set. | |
781 | * stat(2) failure doesn't set ->real_file_size to -1. | |
782 | */ | |
409b3417 JA |
783 | if (f->real_file_size == -1ULL && td->o.size) |
784 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 785 | } |
bab3fd58 JA |
786 | |
787 | return err; | |
7bb48f84 JA |
788 | } |
789 | ||
2e3bd4c2 JA |
790 | struct fio_mount { |
791 | struct flist_head list; | |
792 | const char *base; | |
793 | char __base[256]; | |
794 | unsigned int key; | |
795 | }; | |
796 | ||
797 | /* | |
798 | * Get free number of bytes for each file on each unique mount. | |
799 | */ | |
800 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
801 | { | |
802 | struct flist_head *n, *tmp; | |
68b0316f | 803 | unsigned long long ret = 0; |
2e3bd4c2 JA |
804 | struct fio_mount *fm; |
805 | FLIST_HEAD(list); | |
806 | struct fio_file *f; | |
807 | unsigned int i; | |
808 | ||
809 | for_each_file(td, f, i) { | |
810 | struct stat sb; | |
811 | char buf[256]; | |
812 | ||
686fbd31 | 813 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
814 | if (f->real_file_size != -1ULL) |
815 | ret += f->real_file_size; | |
68b0316f JA |
816 | continue; |
817 | } else if (f->filetype != FIO_TYPE_FILE) | |
818 | continue; | |
819 | ||
36833fb0 | 820 | snprintf(buf, ARRAY_SIZE(buf), "%s", f->file_name); |
2e3bd4c2 JA |
821 | |
822 | if (stat(buf, &sb) < 0) { | |
823 | if (errno != ENOENT) | |
824 | break; | |
825 | strcpy(buf, "."); | |
826 | if (stat(buf, &sb) < 0) | |
827 | break; | |
828 | } | |
829 | ||
830 | fm = NULL; | |
831 | flist_for_each(n, &list) { | |
832 | fm = flist_entry(n, struct fio_mount, list); | |
833 | if (fm->key == sb.st_dev) | |
834 | break; | |
835 | ||
836 | fm = NULL; | |
837 | } | |
838 | ||
839 | if (fm) | |
840 | continue; | |
841 | ||
3660ceae | 842 | fm = calloc(1, sizeof(*fm)); |
36833fb0 | 843 | snprintf(fm->__base, ARRAY_SIZE(fm->__base), "%s", buf); |
2e3bd4c2 JA |
844 | fm->base = basename(fm->__base); |
845 | fm->key = sb.st_dev; | |
846 | flist_add(&fm->list, &list); | |
847 | } | |
848 | ||
2e3bd4c2 JA |
849 | flist_for_each_safe(n, tmp, &list) { |
850 | unsigned long long sz; | |
851 | ||
852 | fm = flist_entry(n, struct fio_mount, list); | |
853 | flist_del(&fm->list); | |
854 | ||
c08ad04c | 855 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
856 | if (sz && sz != -1ULL) |
857 | ret += sz; | |
858 | ||
859 | free(fm); | |
860 | } | |
861 | ||
862 | return ret; | |
863 | } | |
864 | ||
bedc9dc2 | 865 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 866 | { |
0b288ba1 | 867 | bool align = false; |
bedc9dc2 | 868 | struct thread_options *o = &td->o; |
872e0415 JA |
869 | unsigned long long align_bs; |
870 | unsigned long long offset; | |
0b288ba1 | 871 | unsigned long long increment; |
bedc9dc2 JA |
872 | |
873 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
874 | return f->real_file_size; | |
875 | ||
0b288ba1 VF |
876 | if (o->offset_increment_percent) { |
877 | assert(!o->offset_increment); | |
878 | increment = o->offset_increment_percent * f->real_file_size / 100; | |
879 | align = true; | |
880 | } else | |
881 | increment = o->offset_increment; | |
882 | ||
89978a6b | 883 | if (o->start_offset_percent > 0) { |
0b288ba1 VF |
884 | /* calculate the raw offset */ |
885 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
886 | (td->subjob_number * increment); | |
887 | ||
888 | align = true; | |
889 | } else { | |
890 | /* start_offset_percent not set */ | |
891 | offset = o->start_offset + | |
892 | td->subjob_number * increment; | |
893 | } | |
894 | ||
895 | if (align) { | |
872e0415 | 896 | /* |
0b288ba1 | 897 | * if offset_align is provided, use it |
872e0415 | 898 | */ |
83c8b093 JF |
899 | if (fio_option_is_set(o, start_offset_align)) { |
900 | align_bs = o->start_offset_align; | |
872e0415 JA |
901 | } else { |
902 | /* else take the minimum block size */ | |
89978a6b BW |
903 | align_bs = td_min_bs(td); |
904 | } | |
905 | ||
872e0415 JA |
906 | /* |
907 | * block align the offset at the next available boundary at | |
908 | * ceiling(offset / align_bs) * align_bs | |
909 | */ | |
89978a6b | 910 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
89978a6b | 911 | } |
872e0415 | 912 | |
89978a6b | 913 | return offset; |
ce95d651 DE |
914 | } |
915 | ||
95af8dd5 KZ |
916 | static bool create_work_dirs(struct thread_data *td, const char *fname) |
917 | { | |
918 | char path[PATH_MAX]; | |
919 | char *start, *end; | |
920 | ||
df18600f SW |
921 | snprintf(path, PATH_MAX, "%s", fname); |
922 | start = path; | |
95af8dd5 KZ |
923 | |
924 | end = start; | |
925 | while ((end = strchr(end, FIO_OS_PATH_SEPARATOR)) != NULL) { | |
df18600f SW |
926 | if (end == start) { |
927 | end++; | |
928 | continue; | |
929 | } | |
95af8dd5 KZ |
930 | *end = '\0'; |
931 | errno = 0; | |
df18600f | 932 | if (fio_mkdir(path, 0700) && errno != EEXIST) { |
95af8dd5 KZ |
933 | log_err("fio: failed to create dir (%s): %d\n", |
934 | start, errno); | |
935 | return false; | |
936 | } | |
937 | *end = FIO_OS_PATH_SEPARATOR; | |
938 | end++; | |
939 | } | |
940 | td->flags |= TD_F_DIRS_CREATED; | |
941 | return true; | |
942 | } | |
943 | ||
7bb48f84 JA |
944 | /* |
945 | * Open the files and setup files sizes, creating files if necessary. | |
946 | */ | |
53cdc686 JA |
947 | int setup_files(struct thread_data *td) |
948 | { | |
7bb48f84 | 949 | unsigned long long total_size, extend_size; |
de98bd30 | 950 | struct thread_options *o = &td->o; |
53cdc686 | 951 | struct fio_file *f; |
002fe734 | 952 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 953 | int err = 0, need_extend; |
e90391eb | 954 | int old_state; |
5fff9543 | 955 | const unsigned long long bs = td_min_bs(td); |
002fe734 | 956 | uint64_t fs = 0; |
53cdc686 | 957 | |
ee56ad50 JA |
958 | dprint(FD_FILE, "setup files\n"); |
959 | ||
8edd973d | 960 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 961 | |
95af8dd5 KZ |
962 | for_each_file(td, f, i) { |
963 | if (!td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
964 | strchr(f->file_name, FIO_OS_PATH_SEPARATOR) && | |
965 | !(td->flags & TD_F_DIRS_CREATED) && | |
966 | !create_work_dirs(td, f->file_name)) | |
967 | goto err_out; | |
968 | } | |
969 | ||
53cdc686 | 970 | /* |
79591fa9 TK |
971 | * Find out physical size of files or devices for this thread, |
972 | * before we determine I/O size and range of our targets. | |
973 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
974 | * opening the files and setting f->real_file_size to indicate |
975 | * the valid range for that file. | |
53cdc686 JA |
976 | */ |
977 | if (td->io_ops->setup) | |
7bb48f84 JA |
978 | err = td->io_ops->setup(td); |
979 | else | |
bab3fd58 | 980 | err = get_file_sizes(td); |
53cdc686 | 981 | |
f1027063 | 982 | if (err) |
e90391eb | 983 | goto err_out; |
f1027063 | 984 | |
934c3085 AK |
985 | if (o->read_iolog_file) |
986 | goto done; | |
1df4ee29 | 987 | |
0a7eb121 | 988 | /* |
7bb48f84 JA |
989 | * check sizes. if the files/devices do not exist and the size |
990 | * isn't passed to fio, abort. | |
0a7eb121 | 991 | */ |
7bb48f84 JA |
992 | total_size = 0; |
993 | for_each_file(td, f, i) { | |
49a416bd | 994 | f->fileno = i; |
7bb48f84 JA |
995 | if (f->real_file_size == -1ULL) |
996 | total_size = -1ULL; | |
997 | else | |
998 | total_size += f->real_file_size; | |
999 | } | |
0a7eb121 | 1000 | |
de98bd30 | 1001 | if (o->fill_device) |
2e3bd4c2 JA |
1002 | td->fill_device_size = get_fs_free_counts(td); |
1003 | ||
7bb48f84 JA |
1004 | /* |
1005 | * device/file sizes are zero and no size given, punt | |
1006 | */ | |
de98bd30 | 1007 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 1008 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
1009 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
1010 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 1011 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 1012 | goto err_out; |
53cdc686 JA |
1013 | } |
1014 | ||
002fe734 JA |
1015 | /* |
1016 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 1017 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 1018 | */ |
d1e78e6b | 1019 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
1020 | uint64_t all_fs; |
1021 | ||
1022 | fs = o->size / o->nr_files; | |
1023 | all_fs = fs * o->nr_files; | |
1024 | ||
1025 | if (all_fs < o->size) | |
1026 | nr_fs_extra = (o->size - all_fs) / bs; | |
1027 | } | |
1028 | ||
7bb48f84 JA |
1029 | /* |
1030 | * now file sizes are known, so we can set ->io_size. if size= is | |
1031 | * not given, ->io_size is just equal to ->real_file_size. if size | |
1032 | * is given, ->io_size is size / nr_files. | |
1033 | */ | |
1034 | extend_size = total_size = 0; | |
1035 | need_extend = 0; | |
1036 | for_each_file(td, f, i) { | |
bedc9dc2 | 1037 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 1038 | |
79591fa9 TK |
1039 | /* |
1040 | * Update ->io_size depending on options specified. | |
1041 | * ->file_size_low being 0 means filesize option isn't set. | |
1042 | * Non zero ->file_size_low equals ->file_size_high means | |
1043 | * filesize option is set in a fixed size format. | |
1044 | * Non zero ->file_size_low not equals ->file_size_high means | |
1045 | * filesize option is set in a range format. | |
1046 | */ | |
de98bd30 | 1047 | if (!o->file_size_low) { |
7bb48f84 | 1048 | /* |
79591fa9 | 1049 | * no file size or range given, file size is equal to |
c4aa2d08 | 1050 | * total size divided by number of files. If the size |
002fe734 JA |
1051 | * doesn't divide nicely with the min blocksize, |
1052 | * make the first files bigger. | |
7bb48f84 | 1053 | */ |
0d060147 | 1054 | f->io_size = fs; |
002fe734 JA |
1055 | if (nr_fs_extra) { |
1056 | nr_fs_extra--; | |
1057 | f->io_size += bs; | |
1058 | } | |
1059 | ||
c4aa2d08 | 1060 | /* |
c6dfd837 TK |
1061 | * We normally don't come here for regular files, but |
1062 | * if the result is 0 for a regular file, set it to the | |
1063 | * real file size. This could be size of the existing | |
1064 | * one if it already exists, but otherwise will be set | |
1065 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
1066 | * ->io_size + ->file_offset equals ->real_file_size. |
1067 | */ | |
1068 | if (!f->io_size) { | |
1069 | if (f->file_offset > f->real_file_size) | |
1070 | goto err_offset; | |
273f8c91 | 1071 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
1072 | if (!f->io_size) |
1073 | log_info("fio: file %s may be ignored\n", | |
1074 | f->file_name); | |
1075 | } | |
de98bd30 JA |
1076 | } else if (f->real_file_size < o->file_size_low || |
1077 | f->real_file_size > o->file_size_high) { | |
1078 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1079 | goto err_offset; |
7bb48f84 JA |
1080 | /* |
1081 | * file size given. if it's fixed, use that. if it's a | |
1082 | * range, generate a random size in-between. | |
1083 | */ | |
de98bd30 JA |
1084 | if (o->file_size_low == o->file_size_high) |
1085 | f->io_size = o->file_size_low - f->file_offset; | |
1086 | else { | |
5ec10eaa JA |
1087 | f->io_size = get_rand_file_size(td) |
1088 | - f->file_offset; | |
1089 | } | |
65bdb10a | 1090 | } else |
bcdedd0a | 1091 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1092 | |
7bb48f84 JA |
1093 | if (f->io_size == -1ULL) |
1094 | total_size = -1ULL; | |
4d002569 | 1095 | else { |
408874da | 1096 | if (o->size_percent && o->size_percent != 100) { |
76e4bb4f SW |
1097 | uint64_t file_size; |
1098 | ||
1099 | file_size = f->io_size + f->file_offset; | |
1100 | f->io_size = (file_size * | |
1101 | o->size_percent) / 100; | |
1102 | if (f->io_size > (file_size - f->file_offset)) | |
1103 | f->io_size = file_size - f->file_offset; | |
1104 | ||
e391c704 JA |
1105 | f->io_size -= (f->io_size % td_min_bs(td)); |
1106 | } | |
7bb48f84 | 1107 | total_size += f->io_size; |
4d002569 | 1108 | } |
7bb48f84 JA |
1109 | |
1110 | if (f->filetype == FIO_TYPE_FILE && | |
3c029ac4 SK |
1111 | (f->io_size + f->file_offset) > f->real_file_size) { |
1112 | if (!td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1113 | !o->create_on_open) { | |
5fd31680 | 1114 | need_extend++; |
814452bd | 1115 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1116 | fio_file_set_extend(f); |
3c029ac4 SK |
1117 | } else if (!td_ioengine_flagged(td, FIO_DISKLESSIO) || |
1118 | (td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1119 | td_ioengine_flagged(td, FIO_FAKEIO))) | |
814452bd | 1120 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1121 | } |
7bb48f84 | 1122 | } |
53cdc686 | 1123 | |
66347cfa DE |
1124 | if (td->o.block_error_hist) { |
1125 | int len; | |
1126 | ||
1127 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1128 | f = td->files[0]; | |
1129 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1130 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1131 | log_err("fio: cannot calculate block histogram with " | |
1132 | "%d trim blocks, maximum %d\n", | |
1133 | len, MAX_NR_BLOCK_INFOS); | |
1134 | td_verror(td, EINVAL, "block_error_hist"); | |
1135 | goto err_out; | |
1136 | } | |
1137 | ||
1138 | td->ts.nr_block_infos = len; | |
8a68c41c | 1139 | for (i = 0; i < len; i++) |
66347cfa DE |
1140 | td->ts.block_infos[i] = |
1141 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1142 | } else | |
1143 | td->ts.nr_block_infos = 0; | |
1144 | ||
0bc27b0b | 1145 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1146 | o->size = total_size; |
21972cde | 1147 | |
d1faa06d JA |
1148 | if (o->size < td_min_bs(td)) { |
1149 | log_err("fio: blocksize too large for data set\n"); | |
1150 | goto err_out; | |
1151 | } | |
1152 | ||
7bb48f84 | 1153 | /* |
79591fa9 TK |
1154 | * See if we need to extend some files, typically needed when our |
1155 | * target regular files don't exist yet, but our jobs require them | |
1156 | * initially due to read I/Os. | |
7bb48f84 JA |
1157 | */ |
1158 | if (need_extend) { | |
1159 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1160 | if (output_format & FIO_OUTPUT_NORMAL) { |
1161 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1162 | o->name, | |
1163 | need_extend > 1 ? "s" : "", | |
1164 | need_extend, | |
1165 | need_extend > 1 ? "s" : "", | |
1166 | need_extend > 1 ? "total " : "", | |
1167 | extend_size >> 20); | |
1168 | } | |
7bb48f84 JA |
1169 | |
1170 | for_each_file(td, f, i) { | |
5e0074c2 | 1171 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1172 | |
d6aed795 | 1173 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1174 | continue; |
1175 | ||
409b3417 | 1176 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1177 | fio_file_clear_extend(f); |
de98bd30 | 1178 | if (!o->fill_device) { |
5e0074c2 | 1179 | old_len = f->real_file_size; |
0b9d69ec JA |
1180 | extend_len = f->io_size + f->file_offset - |
1181 | old_len; | |
5e0074c2 | 1182 | } |
bcdedd0a | 1183 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1184 | err = extend_file(td, f); |
1185 | if (err) | |
3baddf24 | 1186 | break; |
5e0074c2 | 1187 | |
3baddf24 JA |
1188 | err = __file_invalidate_cache(td, f, old_len, |
1189 | extend_len); | |
9824f73b JA |
1190 | |
1191 | /* | |
1192 | * Shut up static checker | |
1193 | */ | |
1194 | if (f->fd != -1) | |
1195 | close(f->fd); | |
1196 | ||
3baddf24 JA |
1197 | f->fd = -1; |
1198 | if (err) | |
7bb48f84 JA |
1199 | break; |
1200 | } | |
1201 | temp_stall_ts = 0; | |
1202 | } | |
1203 | ||
1204 | if (err) | |
e90391eb | 1205 | goto err_out; |
7bb48f84 | 1206 | |
ea966f81 JA |
1207 | /* |
1208 | * iolog already set the total io size, if we read back | |
1209 | * stored entries. | |
1210 | */ | |
77731b29 | 1211 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1212 | if (o->io_size) |
1213 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1214 | else |
1215 | td->total_io_size = o->size * o->loops; | |
1216 | } | |
25460cf6 JA |
1217 | |
1218 | done: | |
de98bd30 | 1219 | if (o->create_only) |
25460cf6 JA |
1220 | td->done = 1; |
1221 | ||
8edd973d | 1222 | td_restore_runstate(td, old_state); |
bfbdd35b BVA |
1223 | |
1224 | if (td->o.zone_mode == ZONE_MODE_ZBD) { | |
1225 | err = zbd_init(td); | |
1226 | if (err) | |
1227 | goto err_out; | |
1228 | } | |
7bb48f84 | 1229 | return 0; |
bfbdd35b | 1230 | |
bcdedd0a | 1231 | err_offset: |
de98bd30 | 1232 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1233 | err_out: |
8edd973d | 1234 | td_restore_runstate(td, old_state); |
bcdedd0a | 1235 | return 1; |
53cdc686 JA |
1236 | } |
1237 | ||
c139f3b4 | 1238 | bool pre_read_files(struct thread_data *td) |
afad68f7 ZY |
1239 | { |
1240 | struct fio_file *f; | |
1241 | unsigned int i; | |
1242 | ||
1243 | dprint(FD_FILE, "pre_read files\n"); | |
1244 | ||
1245 | for_each_file(td, f, i) { | |
c139f3b4 JA |
1246 | if (!pre_read_file(td, f)) |
1247 | return false; | |
afad68f7 ZY |
1248 | } |
1249 | ||
c139f3b4 | 1250 | return true; |
afad68f7 ZY |
1251 | } |
1252 | ||
3a03f0cf | 1253 | static void __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
9c6f6316 | 1254 | { |
2316296a | 1255 | unsigned int range_size, seed; |
abb60c32 | 1256 | uint64_t nranges; |
42da5c8b | 1257 | uint64_t fsize; |
9c6f6316 JA |
1258 | |
1259 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1260 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1261 | |
abb60c32 | 1262 | nranges = (fsize + range_size - 1ULL) / range_size; |
9c6f6316 | 1263 | |
2316296a | 1264 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1265 | if (!td->o.rand_repeatable) |
1266 | seed = td->rand_seeds[4]; | |
1267 | ||
9c6f6316 | 1268 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1269 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
56d9fa4b | 1270 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
888677a4 | 1271 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
56d9fa4b | 1272 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
f88cd222 | 1273 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed); |
9c6f6316 JA |
1274 | } |
1275 | ||
4d832322 | 1276 | static bool init_rand_distribution(struct thread_data *td) |
9c6f6316 JA |
1277 | { |
1278 | struct fio_file *f; | |
1279 | unsigned int i; | |
1280 | int state; | |
1281 | ||
fd9882fa JA |
1282 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM || |
1283 | td->o.random_distribution == FIO_RAND_DIST_ZONED || | |
1284 | td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS) | |
4d832322 | 1285 | return false; |
9c6f6316 | 1286 | |
8edd973d JA |
1287 | state = td_bump_runstate(td, TD_SETTING_UP); |
1288 | ||
9c6f6316 JA |
1289 | for_each_file(td, f, i) |
1290 | __init_rand_distribution(td, f); | |
8edd973d JA |
1291 | |
1292 | td_restore_runstate(td, state); | |
4d832322 | 1293 | return true; |
9c6f6316 JA |
1294 | } |
1295 | ||
75f90d5f JA |
1296 | /* |
1297 | * Check if the number of blocks exceeds the randomness capability of | |
1298 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1299 | * 64-bit capable. | |
1300 | */ | |
1301 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1302 | uint64_t blocks) | |
1303 | { | |
1304 | if (blocks <= FRAND32_MAX) | |
1305 | return 0; | |
1306 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1307 | return 0; | |
1308 | ||
1309 | /* | |
1310 | * If the user hasn't specified a random generator, switch | |
1311 | * to tausworthe64 with informational warning. If the user did | |
1312 | * specify one, just warn. | |
1313 | */ | |
1314 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1315 | f->file_name); | |
1316 | ||
1317 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1318 | log_info("fio: Switching to tausworthe64. Use the " | |
1319 | "random_generator= option to get rid of this " | |
4e795a3e | 1320 | "warning.\n"); |
75f90d5f JA |
1321 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1322 | return 0; | |
1323 | } | |
1324 | ||
1325 | /* | |
1326 | * Just make this information to avoid breaking scripts. | |
1327 | */ | |
1328 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1329 | "tausworthe64.\n"); | |
1330 | return 0; | |
1331 | } | |
1332 | ||
4d832322 | 1333 | bool init_random_map(struct thread_data *td) |
68727076 | 1334 | { |
51ede0b1 | 1335 | unsigned long long blocks; |
68727076 JA |
1336 | struct fio_file *f; |
1337 | unsigned int i; | |
1338 | ||
9c6f6316 | 1339 | if (init_rand_distribution(td)) |
4d832322 | 1340 | return true; |
3831a843 | 1341 | if (!td_random(td)) |
4d832322 | 1342 | return true; |
68727076 JA |
1343 | |
1344 | for_each_file(td, f, i) { | |
42da5c8b | 1345 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1346 | |
3ed8c570 VF |
1347 | if (td->o.zone_mode == ZONE_MODE_STRIDED) |
1348 | fsize = td->o.zone_range; | |
1349 | ||
42da5c8b | 1350 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1351 | |
75f90d5f | 1352 | if (check_rand_gen_limits(td, f, blocks)) |
4d832322 | 1353 | return false; |
37fbd7e9 | 1354 | |
8055e41d | 1355 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
9781c080 | 1356 | uint64_t seed; |
82af46be JA |
1357 | |
1358 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1359 | |
967d1b63 JA |
1360 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1361 | fio_file_set_lfsr(f); | |
8055e41d | 1362 | continue; |
78f59d40 VF |
1363 | } else { |
1364 | log_err("fio: failed initializing LFSR\n"); | |
1365 | return false; | |
967d1b63 | 1366 | } |
3831a843 | 1367 | } else if (!td->o.norandommap) { |
7ebd796f | 1368 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1369 | if (f->io_axmap) { |
1370 | fio_file_set_axmap(f); | |
8055e41d | 1371 | continue; |
967d1b63 | 1372 | } |
1cad7121 JA |
1373 | } else if (td->o.norandommap) |
1374 | continue; | |
ceadd59e | 1375 | |
2b386d25 | 1376 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1377 | log_err("fio: failed allocating random map. If running" |
1378 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1379 | " option or set 'softrandommap'. Or give" |
1380 | " a larger --alloc-size to fio.\n"); | |
4d832322 | 1381 | return false; |
68727076 | 1382 | } |
303032ae JA |
1383 | |
1384 | log_info("fio: file %s failed allocating random map. Running " | |
1385 | "job without.\n", f->file_name); | |
68727076 JA |
1386 | } |
1387 | ||
4d832322 | 1388 | return true; |
68727076 JA |
1389 | } |
1390 | ||
53cdc686 JA |
1391 | void close_files(struct thread_data *td) |
1392 | { | |
0ab8db89 | 1393 | struct fio_file *f; |
af52b345 | 1394 | unsigned int i; |
53cdc686 | 1395 | |
2be3eec3 JA |
1396 | for_each_file(td, f, i) { |
1397 | if (fio_file_open(f)) | |
1398 | td_io_close_file(td, f); | |
1399 | } | |
24ffd2c2 JA |
1400 | } |
1401 | ||
1402 | void close_and_free_files(struct thread_data *td) | |
1403 | { | |
1404 | struct fio_file *f; | |
1405 | unsigned int i; | |
cb9bf647 | 1406 | bool use_free = td_ioengine_flagged(td, FIO_NOFILEHASH); |
24ffd2c2 | 1407 | |
ee56ad50 JA |
1408 | dprint(FD_FILE, "close files\n"); |
1409 | ||
0ab8db89 | 1410 | for_each_file(td, f, i) { |
38ef9c90 CF |
1411 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1412 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1413 | td_io_unlink_file(td, f); | |
1414 | } | |
1415 | ||
22a57ba8 JA |
1416 | if (fio_file_open(f)) |
1417 | td_io_close_file(td, f); | |
1418 | ||
b9fbcf21 | 1419 | remove_file_hash(f); |
b3dc7f07 | 1420 | |
b5f4d8ba JA |
1421 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1422 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1423 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1424 | } |
1425 | ||
bfbdd35b BVA |
1426 | zbd_free_zone_info(f); |
1427 | ||
cb9bf647 JB |
1428 | if (use_free) |
1429 | free(f->file_name); | |
1430 | else | |
1431 | sfree(f->file_name); | |
fa1da865 | 1432 | f->file_name = NULL; |
967d1b63 JA |
1433 | if (fio_file_axmap(f)) { |
1434 | axmap_free(f->io_axmap); | |
1435 | f->io_axmap = NULL; | |
1436 | } | |
cb9bf647 JB |
1437 | if (use_free) |
1438 | free(f); | |
1439 | else | |
1440 | sfree(f); | |
53cdc686 | 1441 | } |
b4a6a59a | 1442 | |
2dc1bbeb | 1443 | td->o.filename = NULL; |
cade3ef4 | 1444 | free(td->files); |
d7df1d13 | 1445 | free(td->file_locks); |
9efef3c4 | 1446 | td->files_index = 0; |
b4a6a59a | 1447 | td->files = NULL; |
d7df1d13 | 1448 | td->file_locks = NULL; |
27ddbfa0 | 1449 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1450 | td->o.nr_files = 0; |
53cdc686 | 1451 | } |
af52b345 | 1452 | |
e3bab463 | 1453 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1454 | { |
1455 | struct stat sb; | |
1456 | ||
66159828 JA |
1457 | if (!strcmp(f->file_name, "-")) |
1458 | f->filetype = FIO_TYPE_PIPE; | |
1459 | else | |
1460 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1461 | |
d5b78f5a | 1462 | #ifdef WIN32 |
3892182a BC |
1463 | /* \\.\ is the device namespace in Windows, where every file is |
1464 | * a block device */ | |
1465 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1466 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1467 | #endif |
3892182a | 1468 | |
b30d395e | 1469 | if (!stat(f->file_name, &sb)) { |
3892182a | 1470 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1471 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1472 | else if (S_ISCHR(sb.st_mode)) |
1473 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1474 | else if (S_ISFIFO(sb.st_mode)) |
1475 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1476 | } |
1477 | } | |
1478 | ||
1b2a83dc | 1479 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1480 | { |
90426237 | 1481 | struct flist_head *entry; |
1b2a83dc | 1482 | bool ret; |
bcbfeefa | 1483 | |
1b2a83dc JA |
1484 | ret = file_bloom_exists(fname, set); |
1485 | if (!ret) | |
1486 | return ret; | |
90426237 JA |
1487 | |
1488 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1489 | struct file_name *fn; |
90426237 | 1490 | |
04d6530f JA |
1491 | fn = flist_entry(entry, struct file_name, list); |
1492 | ||
1493 | if (!strcmp(fn->filename, fname)) | |
1494 | return true; | |
90426237 JA |
1495 | } |
1496 | ||
04d6530f | 1497 | return false; |
bcbfeefa CE |
1498 | } |
1499 | ||
04d6530f | 1500 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1501 | { |
04d6530f | 1502 | bool ret; |
bcbfeefa | 1503 | |
90426237 | 1504 | fio_file_hash_lock(); |
1b2a83dc | 1505 | ret = __is_already_allocated(fname, false); |
90426237 | 1506 | fio_file_hash_unlock(); |
04d6530f | 1507 | |
90426237 JA |
1508 | return ret; |
1509 | } | |
bcbfeefa | 1510 | |
90426237 JA |
1511 | static void set_already_allocated(const char *fname) |
1512 | { | |
1513 | struct file_name *fn; | |
1514 | ||
1515 | fn = malloc(sizeof(struct file_name)); | |
1516 | fn->filename = strdup(fname); | |
1517 | ||
1518 | fio_file_hash_lock(); | |
1b2a83dc | 1519 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1520 | flist_add_tail(&fn->list, &filename_list); |
1521 | fn = NULL; | |
bcbfeefa | 1522 | } |
90426237 | 1523 | fio_file_hash_unlock(); |
bcbfeefa | 1524 | |
90426237 JA |
1525 | if (fn) { |
1526 | free(fn->filename); | |
1527 | free(fn); | |
1528 | } | |
bcbfeefa CE |
1529 | } |
1530 | ||
190b8f0c CF |
1531 | static void free_already_allocated(void) |
1532 | { | |
bcbfeefa CE |
1533 | struct flist_head *entry, *tmp; |
1534 | struct file_name *fn; | |
1535 | ||
90426237 JA |
1536 | if (flist_empty(&filename_list)) |
1537 | return; | |
1538 | ||
1539 | fio_file_hash_lock(); | |
1540 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1541 | fn = flist_entry(entry, struct file_name, list); | |
1542 | free(fn->filename); | |
1543 | flist_del(&fn->list); | |
1544 | free(fn); | |
bcbfeefa | 1545 | } |
90426237 JA |
1546 | |
1547 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1548 | } |
1549 | ||
7b5cb700 JA |
1550 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1551 | { | |
1552 | struct fio_file *f; | |
1553 | ||
cb9bf647 JB |
1554 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1555 | f = calloc(1, sizeof(*f)); | |
1556 | else | |
e0b3258b | 1557 | f = scalloc(1, sizeof(*f)); |
7b5cb700 | 1558 | if (!f) { |
7b5cb700 JA |
1559 | assert(0); |
1560 | return NULL; | |
1561 | } | |
1562 | ||
1563 | f->fd = -1; | |
1564 | f->shadow_fd = -1; | |
1565 | fio_file_reset(td, f); | |
1566 | return f; | |
1567 | } | |
1568 | ||
04d6530f JA |
1569 | bool exists_and_not_regfile(const char *filename) |
1570 | { | |
1571 | struct stat sb; | |
1572 | ||
1573 | if (lstat(filename, &sb) == -1) | |
1574 | return false; | |
1575 | ||
1576 | #ifndef WIN32 /* NOT Windows */ | |
1577 | if (S_ISREG(sb.st_mode)) | |
1578 | return false; | |
1579 | #else | |
1580 | /* \\.\ is the device namespace in Windows, where every file | |
1581 | * is a device node */ | |
1582 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1583 | return false; | |
1584 | #endif | |
1585 | ||
1586 | return true; | |
1587 | } | |
1588 | ||
5903e7b7 | 1589 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1590 | { |
7b4e4fe5 | 1591 | int cur_files = td->files_index; |
bd0ee748 | 1592 | char file_name[PATH_MAX]; |
af52b345 | 1593 | struct fio_file *f; |
bd0ee748 | 1594 | int len = 0; |
af52b345 | 1595 | |
ee56ad50 JA |
1596 | dprint(FD_FILE, "add file %s\n", fname); |
1597 | ||
bcbfeefa | 1598 | if (td->o.directory) |
922a5be8 JA |
1599 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1600 | td->o.unique_filename); | |
bcbfeefa CE |
1601 | |
1602 | sprintf(file_name + len, "%s", fname); | |
1603 | ||
1604 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1605 | if (numjob && is_already_allocated(file_name) && |
1606 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1607 | return 0; |
1608 | ||
7b5cb700 | 1609 | f = alloc_new_file(td); |
bd0ee748 | 1610 | |
fc99bc0d | 1611 | if (td->files_size <= td->files_index) { |
1983e327 | 1612 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1613 | |
fc99bc0d JA |
1614 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1615 | ||
1616 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1617 | if (td->files == NULL) { |
1618 | log_err("fio: realloc OOM\n"); | |
1619 | assert(0); | |
1620 | } | |
d7df1d13 JA |
1621 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1622 | td->file_locks = realloc(td->file_locks, new_size); | |
1623 | if (!td->file_locks) { | |
1624 | log_err("fio: realloc OOM\n"); | |
1625 | assert(0); | |
1626 | } | |
1627 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1628 | } | |
fc99bc0d JA |
1629 | td->files_size = new_size; |
1630 | } | |
8bb7679e | 1631 | td->files[cur_files] = f; |
89ac1d48 | 1632 | f->fileno = cur_files; |
126d65c6 | 1633 | |
07eb79df JA |
1634 | /* |
1635 | * init function, io engine may not be loaded yet | |
1636 | */ | |
9b87f09b | 1637 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1638 | f->real_file_size = -1ULL; |
1639 | ||
cb9bf647 JB |
1640 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1641 | f->file_name = strdup(file_name); | |
1642 | else | |
1643 | f->file_name = smalloc_strdup(file_name); | |
b2e6494c JA |
1644 | |
1645 | /* can't handle smalloc failure from here */ | |
1646 | assert(f->file_name); | |
0b9d69ec | 1647 | |
e3bab463 | 1648 | get_file_type(f); |
af52b345 | 1649 | |
4d4e80f2 JA |
1650 | switch (td->o.file_lock_mode) { |
1651 | case FILE_LOCK_NONE: | |
1652 | break; | |
1653 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1654 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1655 | break; |
1656 | case FILE_LOCK_EXCLUSIVE: | |
971caeb1 | 1657 | f->lock = fio_sem_init(FIO_SEM_UNLOCKED); |
4d4e80f2 JA |
1658 | break; |
1659 | default: | |
1660 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1661 | assert(0); | |
1662 | } | |
29c1349f | 1663 | |
7b4e4fe5 | 1664 | td->files_index++; |
f29b25a3 | 1665 | |
084a5475 JA |
1666 | if (td->o.numjobs > 1) |
1667 | set_already_allocated(file_name); | |
bcbfeefa | 1668 | |
5903e7b7 JA |
1669 | if (inc) |
1670 | td->o.nr_files++; | |
1671 | ||
5ec10eaa JA |
1672 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1673 | cur_files); | |
9efef3c4 | 1674 | |
f29b25a3 | 1675 | return cur_files; |
af52b345 | 1676 | } |
0ad920e7 | 1677 | |
49ffb4a2 JA |
1678 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1679 | { | |
1680 | struct fio_file *f; | |
1681 | unsigned int i; | |
1682 | ||
1683 | for_each_file(td, f, i) { | |
1684 | if (!strcmp(f->file_name, fname)) | |
1685 | return i; | |
1686 | } | |
1687 | ||
5903e7b7 | 1688 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1689 | } |
1690 | ||
0ad920e7 JA |
1691 | void get_file(struct fio_file *f) |
1692 | { | |
8172fe97 | 1693 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1694 | assert(fio_file_open(f)); |
0ad920e7 JA |
1695 | f->references++; |
1696 | } | |
1697 | ||
6977bcd0 | 1698 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1699 | { |
98e1ac4e | 1700 | int f_ret = 0, ret = 0; |
6977bcd0 | 1701 | |
8172fe97 | 1702 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1703 | |
22a57ba8 JA |
1704 | if (!fio_file_open(f)) { |
1705 | assert(f->fd == -1); | |
6977bcd0 | 1706 | return 0; |
22a57ba8 | 1707 | } |
0ad920e7 JA |
1708 | |
1709 | assert(f->references); | |
1710 | if (--f->references) | |
6977bcd0 | 1711 | return 0; |
0ad920e7 | 1712 | |
230f33fb AK |
1713 | disk_util_dec(f->du); |
1714 | ||
1715 | if (td->o.file_lock_mode != FILE_LOCK_NONE) | |
1716 | unlock_file_all(td, f); | |
1717 | ||
71b84caa | 1718 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1719 | f_ret = fsync(f->fd); |
71b84caa JA |
1720 | if (f_ret < 0) |
1721 | f_ret = errno; | |
1722 | } | |
ebb1415f | 1723 | |
0ad920e7 | 1724 | if (td->io_ops->close_file) |
6977bcd0 | 1725 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1726 | |
98e1ac4e | 1727 | if (!ret) |
a5fb461f | 1728 | ret = f_ret; |
98e1ac4e | 1729 | |
0ad920e7 | 1730 | td->nr_open_files--; |
230f33fb | 1731 | fio_file_clear_closing(f); |
d6aed795 | 1732 | fio_file_clear_open(f); |
22a57ba8 | 1733 | assert(f->fd == -1); |
6977bcd0 | 1734 | return ret; |
0ad920e7 | 1735 | } |
bbf6b540 | 1736 | |
4d4e80f2 | 1737 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1738 | { |
4d4e80f2 JA |
1739 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1740 | return; | |
29c1349f | 1741 | |
4d4e80f2 JA |
1742 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1743 | if (ddir == DDIR_READ) | |
d7df1d13 | 1744 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1745 | else |
d7df1d13 | 1746 | fio_rwlock_write(f->rwlock); |
4d4e80f2 | 1747 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
971caeb1 | 1748 | fio_sem_down(f->lock); |
4d4e80f2 | 1749 | |
d7df1d13 | 1750 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1751 | } |
1752 | ||
4d4e80f2 | 1753 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1754 | { |
4d4e80f2 JA |
1755 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1756 | return; | |
4d4e80f2 | 1757 | |
d7df1d13 JA |
1758 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1759 | fio_rwlock_unlock(f->rwlock); | |
1760 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
971caeb1 | 1761 | fio_sem_up(f->lock); |
d7df1d13 JA |
1762 | |
1763 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1764 | } |
1765 | ||
4d4e80f2 JA |
1766 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1767 | { | |
f2a2803a | 1768 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1769 | return; |
d7df1d13 JA |
1770 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1771 | unlock_file(td, f); | |
4d4e80f2 JA |
1772 | } |
1773 | ||
13bddad9 | 1774 | static bool recurse_dir(struct thread_data *td, const char *dirname) |
bbf6b540 JA |
1775 | { |
1776 | struct dirent *dir; | |
13bddad9 | 1777 | bool ret = false; |
bbf6b540 JA |
1778 | DIR *D; |
1779 | ||
1780 | D = opendir(dirname); | |
1781 | if (!D) { | |
0ddb270c JA |
1782 | char buf[FIO_VERROR_SIZE]; |
1783 | ||
98ffb8f3 | 1784 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1785 | td_verror(td, errno, buf); |
13bddad9 | 1786 | return true; |
bbf6b540 JA |
1787 | } |
1788 | ||
1789 | while ((dir = readdir(D)) != NULL) { | |
1790 | char full_path[PATH_MAX]; | |
1791 | struct stat sb; | |
1792 | ||
e85b2b83 JA |
1793 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1794 | continue; | |
96d32d51 | 1795 | |
53a7af85 | 1796 | sprintf(full_path, "%s%c%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1797 | |
1798 | if (lstat(full_path, &sb) == -1) { | |
1799 | if (errno != ENOENT) { | |
1800 | td_verror(td, errno, "stat"); | |
13bddad9 | 1801 | ret = true; |
68ace9e0 | 1802 | break; |
bbf6b540 JA |
1803 | } |
1804 | } | |
1805 | ||
1806 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1807 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1808 | continue; |
1809 | } | |
0ddb270c JA |
1810 | if (!S_ISDIR(sb.st_mode)) |
1811 | continue; | |
bbf6b540 | 1812 | |
5ec10eaa JA |
1813 | ret = recurse_dir(td, full_path); |
1814 | if (ret) | |
bbf6b540 JA |
1815 | break; |
1816 | } | |
1817 | ||
1818 | closedir(D); | |
1819 | return ret; | |
1820 | } | |
1821 | ||
1822 | int add_dir_files(struct thread_data *td, const char *path) | |
1823 | { | |
0ddb270c JA |
1824 | int ret = recurse_dir(td, path); |
1825 | ||
1826 | if (!ret) | |
1827 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1828 | ||
1829 | return ret; | |
bbf6b540 | 1830 | } |
cade3ef4 JA |
1831 | |
1832 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1833 | { | |
1834 | struct fio_file *f; | |
1835 | unsigned int i; | |
9efef3c4 JA |
1836 | |
1837 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1838 | |
1839 | if (!org->files) | |
1840 | return; | |
1841 | ||
9efef3c4 | 1842 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1843 | |
d7df1d13 JA |
1844 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1845 | td->file_locks = malloc(org->files_index); | |
1846 | ||
9efef3c4 | 1847 | for_each_file(org, f, i) { |
b0fe421a JA |
1848 | struct fio_file *__f; |
1849 | ||
7b5cb700 | 1850 | __f = alloc_new_file(td); |
0b9d69ec | 1851 | |
bc3456fa | 1852 | if (f->file_name) { |
cb9bf647 JB |
1853 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1854 | __f->file_name = strdup(f->file_name); | |
1855 | else | |
1856 | __f->file_name = smalloc_strdup(f->file_name); | |
0b9d69ec | 1857 | |
b2e6494c JA |
1858 | /* can't handle smalloc failure from here */ |
1859 | assert(__f->file_name); | |
bc3456fa AC |
1860 | __f->filetype = f->filetype; |
1861 | } | |
b0fe421a | 1862 | |
67ad9242 JA |
1863 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1864 | __f->lock = f->lock; | |
1865 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1866 | __f->rwlock = f->rwlock; | |
1867 | ||
b0fe421a | 1868 | td->files[i] = __f; |
cade3ef4 JA |
1869 | } |
1870 | } | |
f29b25a3 JA |
1871 | |
1872 | /* | |
1873 | * Returns the index that matches the filename, or -1 if not there | |
1874 | */ | |
1875 | int get_fileno(struct thread_data *td, const char *fname) | |
1876 | { | |
1877 | struct fio_file *f; | |
1878 | unsigned int i; | |
1879 | ||
1880 | for_each_file(td, f, i) | |
1881 | if (!strcmp(f->file_name, fname)) | |
1882 | return i; | |
1883 | ||
1884 | return -1; | |
1885 | } | |
1886 | ||
1887 | /* | |
1888 | * For log usage, where we add/open/close files automatically | |
1889 | */ | |
1890 | void free_release_files(struct thread_data *td) | |
1891 | { | |
1892 | close_files(td); | |
66ee4002 JA |
1893 | td->o.nr_files = 0; |
1894 | td->o.open_files = 0; | |
f29b25a3 | 1895 | td->files_index = 0; |
f29b25a3 | 1896 | } |
33c48814 JA |
1897 | |
1898 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1899 | { | |
f1dfb668 JA |
1900 | int i; |
1901 | ||
1902 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1903 | f->last_pos[i] = f->file_offset; | |
1904 | f->last_start[i] = -1ULL; | |
1905 | } | |
1906 | ||
967d1b63 | 1907 | if (fio_file_axmap(f)) |
33c48814 | 1908 | axmap_reset(f->io_axmap); |
967d1b63 | 1909 | else if (fio_file_lfsr(f)) |
33c48814 | 1910 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
bfbdd35b BVA |
1911 | |
1912 | zbd_file_reset(td, f); | |
33c48814 | 1913 | } |
002fe734 | 1914 | |
747b3105 | 1915 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1916 | { |
1917 | struct fio_file *f; | |
1918 | unsigned int i; | |
1919 | ||
1920 | for_each_file(td, f, i) | |
1921 | if (!fio_file_done(f)) | |
747b3105 | 1922 | return false; |
002fe734 | 1923 | |
747b3105 | 1924 | return true; |
002fe734 | 1925 | } |
bcbfeefa CE |
1926 | |
1927 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1928 | void filesetup_mem_free(void) |
1929 | { | |
bcbfeefa CE |
1930 | free_already_allocated(); |
1931 | } | |
47534cda TK |
1932 | |
1933 | /* | |
1934 | * This function is for platforms which support direct I/O but not O_DIRECT. | |
1935 | */ | |
1936 | int fio_set_directio(struct thread_data *td, struct fio_file *f) | |
1937 | { | |
1938 | #ifdef FIO_OS_DIRECTIO | |
2905de74 | 1939 | int ret = fio_set_odirect(f); |
47534cda TK |
1940 | |
1941 | if (ret) { | |
1942 | td_verror(td, ret, "fio_set_directio"); | |
1943 | #if defined(__sun__) | |
1944 | if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */ | |
1945 | log_err("fio: doing directIO to RAW devices or ZFS not supported\n"); | |
1946 | } else { | |
1947 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1948 | } | |
1949 | #else | |
1950 | log_err("fio: the file system does not seem to support direct IO\n"); | |
1951 | #endif | |
1952 | return -1; | |
1953 | } | |
1954 | ||
1955 | return 0; | |
1956 | #else | |
51102e0d | 1957 | log_err("fio: direct IO is not supported on this host operating system\n"); |
47534cda TK |
1958 | return -1; |
1959 | #endif | |
1960 | } |