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"); | |
5e0074c2 | 234 | } |
e1161c32 | 235 | td_verror(td, errno, "write"); |
5e0074c2 | 236 | } else |
e1161c32 | 237 | td_verror(td, EIO, "write"); |
53cdc686 | 238 | |
9107a641 | 239 | goto err; |
53cdc686 JA |
240 | } |
241 | } | |
242 | ||
ffdfabd4 JA |
243 | if (td->terminate) { |
244 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
38ef9c90 | 245 | td_io_unlink_file(td, f); |
ffdfabd4 | 246 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
247 | if (fsync(f->fd) < 0) { |
248 | td_verror(td, errno, "fsync"); | |
249 | goto err; | |
250 | } | |
251 | } | |
0d1cd207 | 252 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 253 | fio_file_clear_size_known(f); |
5e0074c2 JA |
254 | if (td_io_get_file_size(td, f)) |
255 | goto err; | |
256 | if (f->io_size > f->real_file_size) | |
257 | f->io_size = f->real_file_size; | |
258 | } | |
53cdc686 | 259 | |
323876fb | 260 | free(b); |
507a702f | 261 | done: |
53cdc686 JA |
262 | return 0; |
263 | err: | |
264 | close(f->fd); | |
265 | f->fd = -1; | |
f3e1eb23 | 266 | if (b) |
323876fb | 267 | free(b); |
53cdc686 JA |
268 | return 1; |
269 | } | |
270 | ||
c139f3b4 | 271 | static bool pre_read_file(struct thread_data *td, struct fio_file *f) |
afad68f7 | 272 | { |
c139f3b4 | 273 | int r, did_open = 0, old_runstate; |
afad68f7 | 274 | unsigned long long left; |
5fff9543 | 275 | unsigned long long bs; |
c139f3b4 | 276 | bool ret = true; |
afad68f7 ZY |
277 | char *b; |
278 | ||
736f1188 TK |
279 | if (td_ioengine_flagged(td, FIO_PIPEIO) || |
280 | td_ioengine_flagged(td, FIO_NOIO)) | |
c139f3b4 | 281 | return true; |
9c0d2241 | 282 | |
e658078b | 283 | if (f->filetype == FIO_TYPE_CHAR) |
c139f3b4 | 284 | return true; |
e658078b | 285 | |
d6aed795 | 286 | if (!fio_file_open(f)) { |
b0f65863 JA |
287 | if (td->io_ops->open_file(td, f)) { |
288 | log_err("fio: cannot pre-read, failed to open file\n"); | |
c139f3b4 | 289 | return false; |
b0f65863 JA |
290 | } |
291 | did_open = 1; | |
292 | } | |
293 | ||
8edd973d | 294 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 295 | |
82d8de31 | 296 | left = f->io_size; |
afad68f7 | 297 | bs = td->o.max_bs[DDIR_READ]; |
82d8de31 TK |
298 | if (bs > left) |
299 | bs = left; | |
300 | ||
afad68f7 | 301 | b = malloc(bs); |
84af30a1 TK |
302 | if (!b) { |
303 | td_verror(td, errno, "malloc"); | |
c139f3b4 | 304 | ret = false; |
84af30a1 TK |
305 | goto error; |
306 | } | |
afad68f7 ZY |
307 | memset(b, 0, bs); |
308 | ||
ef799a64 JA |
309 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
310 | td_verror(td, errno, "lseek"); | |
311 | log_err("fio: failed to lseek pre-read file\n"); | |
c139f3b4 | 312 | ret = false; |
ef799a64 JA |
313 | goto error; |
314 | } | |
315 | ||
afad68f7 ZY |
316 | while (left && !td->terminate) { |
317 | if (bs > left) | |
318 | bs = left; | |
319 | ||
320 | r = read(f->fd, b, bs); | |
321 | ||
322 | if (r == (int) bs) { | |
323 | left -= bs; | |
324 | continue; | |
325 | } else { | |
326 | td_verror(td, EIO, "pre_read"); | |
327 | break; | |
328 | } | |
329 | } | |
330 | ||
ef799a64 | 331 | error: |
8edd973d | 332 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
333 | |
334 | if (did_open) | |
335 | td->io_ops->close_file(td, f); | |
ef799a64 | 336 | |
afad68f7 | 337 | free(b); |
ef799a64 | 338 | return ret; |
afad68f7 ZY |
339 | } |
340 | ||
a3f001f5 | 341 | unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 342 | { |
dc873b6f | 343 | unsigned long long ret, sized; |
c3546b53 | 344 | uint64_t frand_max; |
ed06087e | 345 | uint64_t r; |
9c60ce64 | 346 | |
c3546b53 | 347 | frand_max = rand_max(&td->file_size_state); |
d6b72507 | 348 | r = __rand(&td->file_size_state); |
54a21917 | 349 | sized = td->o.file_size_high - td->o.file_size_low; |
c3546b53 | 350 | ret = (unsigned long long) ((double) sized * (r / (frand_max + 1.0))); |
5ec10eaa | 351 | ret += td->o.file_size_low; |
2dc1bbeb | 352 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
353 | return ret; |
354 | } | |
355 | ||
53cdc686 JA |
356 | static int file_size(struct thread_data *td, struct fio_file *f) |
357 | { | |
358 | struct stat st; | |
359 | ||
df9c26b1 | 360 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
361 | td_verror(td, errno, "fstat"); |
362 | return 1; | |
363 | } | |
53cdc686 | 364 | |
7bb48f84 | 365 | f->real_file_size = st.st_size; |
53cdc686 JA |
366 | return 0; |
367 | } | |
368 | ||
369 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
370 | { | |
9b836561 | 371 | unsigned long long bytes = 0; |
53cdc686 JA |
372 | int r; |
373 | ||
df9c26b1 JA |
374 | if (td->io_ops->open_file(td, f)) { |
375 | log_err("fio: failed opening blockdev %s for size check\n", | |
376 | f->file_name); | |
377 | return 1; | |
378 | } | |
379 | ||
ecc314ba | 380 | r = blockdev_size(f, &bytes); |
53cdc686 | 381 | if (r) { |
e1161c32 | 382 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 383 | goto err; |
53cdc686 JA |
384 | } |
385 | ||
7ab077ab JA |
386 | if (!bytes) { |
387 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 388 | goto err; |
7ab077ab JA |
389 | } |
390 | ||
53cdc686 | 391 | f->real_file_size = bytes; |
22a57ba8 | 392 | td->io_ops->close_file(td, f); |
53cdc686 | 393 | return 0; |
df9c26b1 JA |
394 | err: |
395 | td->io_ops->close_file(td, f); | |
396 | return 1; | |
53cdc686 JA |
397 | } |
398 | ||
4ccdccd1 JA |
399 | static int char_size(struct thread_data *td, struct fio_file *f) |
400 | { | |
401 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 402 | unsigned long long bytes = 0; |
4ccdccd1 JA |
403 | int r; |
404 | ||
405 | if (td->io_ops->open_file(td, f)) { | |
b3ec877c | 406 | log_err("fio: failed opening chardev %s for size check\n", |
4ccdccd1 JA |
407 | f->file_name); |
408 | return 1; | |
409 | } | |
410 | ||
ecc314ba | 411 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
412 | if (r) { |
413 | td_verror(td, r, "chardev_size"); | |
414 | goto err; | |
415 | } | |
416 | ||
417 | if (!bytes) { | |
418 | log_err("%s: zero sized char device?\n", f->file_name); | |
419 | goto err; | |
420 | } | |
421 | ||
422 | f->real_file_size = bytes; | |
423 | td->io_ops->close_file(td, f); | |
424 | return 0; | |
425 | err: | |
426 | td->io_ops->close_file(td, f); | |
427 | return 1; | |
428 | #else | |
429 | f->real_file_size = -1ULL; | |
430 | return 0; | |
431 | #endif | |
432 | } | |
433 | ||
53cdc686 JA |
434 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
435 | { | |
436 | int ret = 0; | |
437 | ||
d6aed795 | 438 | if (fio_file_size_known(f)) |
409b3417 JA |
439 | return 0; |
440 | ||
7bb48f84 JA |
441 | if (f->filetype == FIO_TYPE_FILE) |
442 | ret = file_size(td, f); | |
686fbd31 | 443 | else if (f->filetype == FIO_TYPE_BLOCK) |
53cdc686 | 444 | ret = bdev_size(td, f); |
4ccdccd1 JA |
445 | else if (f->filetype == FIO_TYPE_CHAR) |
446 | ret = char_size(td, f); | |
8bd809f5 TK |
447 | else { |
448 | f->real_file_size = -1; | |
449 | log_info("%s: failed to get file size of %s\n", td->o.name, | |
450 | f->file_name); | |
451 | return 1; /* avoid offset extends end error message */ | |
452 | } | |
53cdc686 | 453 | |
79591fa9 TK |
454 | /* |
455 | * Leave ->real_file_size with 0 since it could be expectation | |
456 | * of initial setup for regular files. | |
457 | */ | |
a0cb220b | 458 | if (ret) |
53cdc686 JA |
459 | return ret; |
460 | ||
957c81b9 TK |
461 | /* |
462 | * ->file_offset normally hasn't been initialized yet, so this | |
8bd809f5 TK |
463 | * is basically always false unless ->real_file_size is -1, but |
464 | * if ->real_file_size is -1 this message doesn't make sense. | |
465 | * As a result, this message is basically useless. | |
957c81b9 | 466 | */ |
53cdc686 | 467 | if (f->file_offset > f->real_file_size) { |
0f2152c1 | 468 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
469 | (unsigned long long) f->file_offset, |
470 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
471 | return 1; |
472 | } | |
473 | ||
d6aed795 | 474 | fio_file_set_size_known(f); |
53cdc686 JA |
475 | return 0; |
476 | } | |
477 | ||
3baddf24 JA |
478 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
479 | unsigned long long off, | |
480 | unsigned long long len) | |
e5b401d4 | 481 | { |
942a851a | 482 | int errval = 0, ret = 0; |
e5b401d4 | 483 | |
c8931876 JA |
484 | #ifdef CONFIG_ESX |
485 | return 0; | |
486 | #endif | |
487 | ||
5e0074c2 | 488 | if (len == -1ULL) |
3baddf24 JA |
489 | len = f->io_size; |
490 | if (off == -1ULL) | |
491 | off = f->file_offset; | |
ee56ad50 | 492 | |
0d1cd207 JA |
493 | if (len == -1ULL || off == -1ULL) |
494 | return 0; | |
495 | ||
942a851a | 496 | if (td->io_ops->invalidate) { |
4499dbef TK |
497 | dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name, |
498 | f->file_name); | |
d9b100fc | 499 | ret = td->io_ops->invalidate(td, f); |
942a851a | 500 | if (ret < 0) |
afd118db | 501 | errval = -ret; |
4e18b4d9 SW |
502 | } else if (td_ioengine_flagged(td, FIO_DISKLESSIO)) { |
503 | dprint(FD_IO, "invalidate not supported by ioengine %s\n", | |
504 | td->io_ops->name); | |
942a851a | 505 | } else if (f->filetype == FIO_TYPE_FILE) { |
4499dbef TK |
506 | dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n", |
507 | f->file_name, off, len); | |
ecc314ba | 508 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
0b139881 | 509 | if (ret) |
942a851a | 510 | errval = ret; |
686fbd31 | 511 | } else if (f->filetype == FIO_TYPE_BLOCK) { |
2b9f9141 KR |
512 | int retry_count = 0; |
513 | ||
4499dbef | 514 | dprint(FD_IO, "drop page cache %s\n", f->file_name); |
ecc314ba | 515 | ret = blockdev_invalidate_cache(f); |
2b9f9141 KR |
516 | while (ret < 0 && errno == EAGAIN && retry_count++ < 25) { |
517 | /* | |
518 | * Linux multipath devices reject ioctl while | |
519 | * the maps are being updated. That window can | |
520 | * last tens of milliseconds; we'll try up to | |
521 | * a quarter of a second. | |
522 | */ | |
523 | usleep(10000); | |
524 | ret = blockdev_invalidate_cache(f); | |
525 | } | |
7e0e25c9 | 526 | if (ret < 0 && errno == EACCES && geteuid()) { |
5bdc4522 | 527 | if (!fio_did_warn(FIO_WARN_ROOT_FLUSH)) { |
5ec10eaa JA |
528 | log_err("fio: only root may flush block " |
529 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 | 530 | } |
7e0e25c9 | 531 | } |
942a851a JA |
532 | if (ret < 0) |
533 | errval = errno; | |
4499dbef TK |
534 | } else if (f->filetype == FIO_TYPE_CHAR || |
535 | f->filetype == FIO_TYPE_PIPE) { | |
536 | dprint(FD_IO, "invalidate not supported %s\n", f->file_name); | |
4499dbef | 537 | } |
e5b401d4 | 538 | |
dfe11fd1 JA |
539 | /* |
540 | * Cache flushing isn't a fatal condition, and we know it will | |
541 | * happen on some platforms where we don't have the proper | |
542 | * function to flush eg block device caches. So just warn and | |
543 | * continue on our way. | |
544 | */ | |
942a851a | 545 | if (errval) |
22de5d77 TK |
546 | log_info("fio: cache invalidation of %s failed: %s\n", |
547 | f->file_name, strerror(errval)); | |
e5b401d4 | 548 | |
dfe11fd1 | 549 | return 0; |
3baddf24 JA |
550 | |
551 | } | |
552 | ||
553 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
554 | { | |
d6aed795 | 555 | if (!fio_file_open(f)) |
a5fb461f JA |
556 | return 0; |
557 | ||
5e0074c2 | 558 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
559 | } |
560 | ||
6977bcd0 | 561 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 562 | { |
6977bcd0 JA |
563 | int ret = 0; |
564 | ||
ee56ad50 | 565 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
566 | |
567 | remove_file_hash(f); | |
568 | ||
6977bcd0 JA |
569 | if (close(f->fd) < 0) |
570 | ret = errno; | |
571 | ||
b5af8293 | 572 | f->fd = -1; |
e6c4d732 JA |
573 | |
574 | if (f->shadow_fd != -1) { | |
575 | close(f->shadow_fd); | |
576 | f->shadow_fd = -1; | |
577 | } | |
578 | ||
710bf9c5 | 579 | f->engine_pos = 0; |
6977bcd0 | 580 | return ret; |
53cdc686 JA |
581 | } |
582 | ||
1ccc6dc7 | 583 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 584 | { |
29c1349f | 585 | struct fio_file *__f; |
4d4e80f2 JA |
586 | int from_hash; |
587 | ||
588 | __f = lookup_file_hash(f->file_name); | |
589 | if (__f) { | |
9efef3c4 | 590 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 | 591 | f->lock = __f->lock; |
4d4e80f2 JA |
592 | from_hash = 1; |
593 | } else { | |
9efef3c4 | 594 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
595 | from_hash = 0; |
596 | } | |
597 | ||
9c0f3f32 BC |
598 | #ifdef WIN32 |
599 | flags |= _O_BINARY; | |
600 | #endif | |
601 | ||
e8670ef8 | 602 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
603 | return from_hash; |
604 | } | |
605 | ||
e6c4d732 JA |
606 | static int file_close_shadow_fds(struct thread_data *td) |
607 | { | |
608 | struct fio_file *f; | |
609 | int num_closed = 0; | |
610 | unsigned int i; | |
611 | ||
612 | for_each_file(td, f, i) { | |
613 | if (f->shadow_fd == -1) | |
614 | continue; | |
615 | ||
616 | close(f->shadow_fd); | |
617 | f->shadow_fd = -1; | |
618 | num_closed++; | |
619 | } | |
620 | ||
621 | return num_closed; | |
622 | } | |
623 | ||
4d4e80f2 JA |
624 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
625 | { | |
66159828 | 626 | int is_std = 0; |
53cdc686 | 627 | int flags = 0; |
29c1349f | 628 | int from_hash = 0; |
53cdc686 | 629 | |
ee56ad50 JA |
630 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
631 | ||
66159828 JA |
632 | if (!strcmp(f->file_name, "-")) { |
633 | if (td_rw(td)) { | |
634 | log_err("fio: can't read/write to stdin/out\n"); | |
635 | return 1; | |
636 | } | |
637 | is_std = 1; | |
ce98fa66 JA |
638 | |
639 | /* | |
640 | * move output logging to stderr, if we are writing to stdout | |
641 | */ | |
642 | if (td_write(td)) | |
643 | f_out = stderr; | |
66159828 JA |
644 | } |
645 | ||
6eaf09d6 SL |
646 | if (td_trim(td)) |
647 | goto skip_flags; | |
2dc1bbeb | 648 | if (td->o.odirect) |
2fd233b7 | 649 | flags |= OS_O_DIRECT; |
d01612f3 CM |
650 | if (td->o.oatomic) { |
651 | if (!FIO_O_ATOMIC) { | |
652 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
653 | return 1; | |
654 | } | |
655 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
656 | } | |
eb9f8d7f | 657 | flags |= td->o.sync_io; |
2378826d | 658 | if (td->o.create_on_open && td->o.allow_create) |
814452bd | 659 | flags |= O_CREAT; |
6eaf09d6 SL |
660 | skip_flags: |
661 | if (f->filetype != FIO_TYPE_FILE) | |
662 | flags |= FIO_O_NOATIME; | |
53cdc686 | 663 | |
056f3459 | 664 | open_again: |
660a1cb5 | 665 | if (td_write(td)) { |
17308158 JA |
666 | if (!read_only) |
667 | flags |= O_RDWR; | |
53cdc686 | 668 | |
2378826d | 669 | if (f->filetype == FIO_TYPE_FILE && td->o.allow_create) |
2fd233b7 | 670 | flags |= O_CREAT; |
2fd233b7 | 671 | |
66159828 JA |
672 | if (is_std) |
673 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
674 | else |
675 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 676 | } else if (td_read(td)) { |
4241ea8f | 677 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
678 | flags |= O_RDWR; |
679 | else | |
680 | flags |= O_RDONLY; | |
681 | ||
66159828 JA |
682 | if (is_std) |
683 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
684 | else |
685 | from_hash = file_lookup_open(f, flags); | |
49cff020 TK |
686 | } else if (td_trim(td)) { |
687 | assert(!td_rw(td)); /* should have matched above */ | |
11ff4c37 VF |
688 | if (!read_only) |
689 | flags |= O_RDWR; | |
6eaf09d6 | 690 | from_hash = file_lookup_open(f, flags); |
53cdc686 JA |
691 | } |
692 | ||
693 | if (f->fd == -1) { | |
e4e33258 | 694 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
695 | int __e = errno; |
696 | ||
835d9b9e | 697 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 698 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
699 | goto open_again; |
700 | } | |
e6c4d732 JA |
701 | if (__e == EMFILE && file_close_shadow_fds(td)) |
702 | goto open_again; | |
056f3459 | 703 | |
98ffb8f3 | 704 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 705 | |
a93c5f04 JA |
706 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
707 | log_err("fio: looks like your file system does not " \ | |
708 | "support direct=1/buffered=0\n"); | |
709 | } | |
710 | ||
e4e33258 | 711 | td_verror(td, __e, buf); |
3ce3ad33 | 712 | return 1; |
53cdc686 JA |
713 | } |
714 | ||
29c1349f JA |
715 | if (!from_hash && f->fd != -1) { |
716 | if (add_file_hash(f)) { | |
3f0ca9b9 | 717 | int fio_unused ret; |
29c1349f JA |
718 | |
719 | /* | |
e6c4d732 JA |
720 | * Stash away descriptor for later close. This is to |
721 | * work-around a "feature" on Linux, where a close of | |
722 | * an fd that has been opened for write will trigger | |
723 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 724 | * That pollutes the device cache, which can slow down |
e6c4d732 | 725 | * unbuffered accesses. |
29c1349f | 726 | */ |
e6c4d732 JA |
727 | if (f->shadow_fd == -1) |
728 | f->shadow_fd = f->fd; | |
729 | else { | |
730 | /* | |
731 | * OK to ignore, we haven't done anything | |
732 | * with it | |
733 | */ | |
734 | ret = generic_close_file(td, f); | |
735 | } | |
29c1349f JA |
736 | goto open_again; |
737 | } | |
738 | } | |
4906e0b5 | 739 | |
53cdc686 | 740 | return 0; |
b5af8293 JA |
741 | } |
742 | ||
79591fa9 TK |
743 | /* |
744 | * This function i.e. get_file_size() is the default .get_file_size | |
745 | * implementation of majority of I/O engines. | |
746 | */ | |
df9c26b1 | 747 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 748 | { |
df9c26b1 | 749 | return get_file_size(td, f); |
21972cde JA |
750 | } |
751 | ||
7bb48f84 JA |
752 | /* |
753 | * open/close all files, so that ->real_file_size gets set | |
754 | */ | |
bab3fd58 | 755 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
756 | { |
757 | struct fio_file *f; | |
758 | unsigned int i; | |
bab3fd58 | 759 | int err = 0; |
7bb48f84 JA |
760 | |
761 | for_each_file(td, f, i) { | |
08c44a55 | 762 | dprint(FD_FILE, "get file size for %p/%d/%s\n", f, i, |
5ec10eaa | 763 | f->file_name); |
9efef3c4 | 764 | |
99a47c69 | 765 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
766 | if (td->error != ENOENT) { |
767 | log_err("%s\n", td->verror); | |
768 | err = 1; | |
3ce3ad33 | 769 | break; |
40b44f4a | 770 | } |
541d66d7 | 771 | clear_error(td); |
07eb79df | 772 | } |
409b3417 | 773 | |
79591fa9 TK |
774 | /* |
775 | * There are corner cases where we end up with -1 for | |
776 | * ->real_file_size due to unsupported file type, etc. | |
777 | * We then just set to size option value divided by number | |
778 | * of files, similar to the way file ->io_size is set. | |
779 | * stat(2) failure doesn't set ->real_file_size to -1. | |
780 | */ | |
409b3417 JA |
781 | if (f->real_file_size == -1ULL && td->o.size) |
782 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 783 | } |
bab3fd58 JA |
784 | |
785 | return err; | |
7bb48f84 JA |
786 | } |
787 | ||
2e3bd4c2 JA |
788 | struct fio_mount { |
789 | struct flist_head list; | |
790 | const char *base; | |
791 | char __base[256]; | |
792 | unsigned int key; | |
793 | }; | |
794 | ||
795 | /* | |
796 | * Get free number of bytes for each file on each unique mount. | |
797 | */ | |
798 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
799 | { | |
800 | struct flist_head *n, *tmp; | |
68b0316f | 801 | unsigned long long ret = 0; |
2e3bd4c2 JA |
802 | struct fio_mount *fm; |
803 | FLIST_HEAD(list); | |
804 | struct fio_file *f; | |
805 | unsigned int i; | |
806 | ||
807 | for_each_file(td, f, i) { | |
808 | struct stat sb; | |
809 | char buf[256]; | |
810 | ||
686fbd31 | 811 | if (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_CHAR) { |
4ccdccd1 JA |
812 | if (f->real_file_size != -1ULL) |
813 | ret += f->real_file_size; | |
68b0316f JA |
814 | continue; |
815 | } else if (f->filetype != FIO_TYPE_FILE) | |
816 | continue; | |
817 | ||
59f94d26 | 818 | snprintf(buf, FIO_ARRAY_SIZE(buf), "%s", f->file_name); |
2e3bd4c2 JA |
819 | |
820 | if (stat(buf, &sb) < 0) { | |
821 | if (errno != ENOENT) | |
822 | break; | |
823 | strcpy(buf, "."); | |
824 | if (stat(buf, &sb) < 0) | |
825 | break; | |
826 | } | |
827 | ||
828 | fm = NULL; | |
829 | flist_for_each(n, &list) { | |
830 | fm = flist_entry(n, struct fio_mount, list); | |
831 | if (fm->key == sb.st_dev) | |
832 | break; | |
833 | ||
834 | fm = NULL; | |
835 | } | |
836 | ||
837 | if (fm) | |
838 | continue; | |
839 | ||
3660ceae | 840 | fm = calloc(1, sizeof(*fm)); |
59f94d26 | 841 | snprintf(fm->__base, FIO_ARRAY_SIZE(fm->__base), "%s", buf); |
2e3bd4c2 JA |
842 | fm->base = basename(fm->__base); |
843 | fm->key = sb.st_dev; | |
844 | flist_add(&fm->list, &list); | |
845 | } | |
846 | ||
2e3bd4c2 JA |
847 | flist_for_each_safe(n, tmp, &list) { |
848 | unsigned long long sz; | |
849 | ||
850 | fm = flist_entry(n, struct fio_mount, list); | |
851 | flist_del(&fm->list); | |
852 | ||
c08ad04c | 853 | sz = get_fs_free_size(fm->base); |
2e3bd4c2 JA |
854 | if (sz && sz != -1ULL) |
855 | ret += sz; | |
856 | ||
857 | free(fm); | |
858 | } | |
859 | ||
860 | return ret; | |
861 | } | |
862 | ||
bedc9dc2 | 863 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 864 | { |
0b288ba1 | 865 | bool align = false; |
bedc9dc2 | 866 | struct thread_options *o = &td->o; |
872e0415 JA |
867 | unsigned long long align_bs; |
868 | unsigned long long offset; | |
0b288ba1 | 869 | unsigned long long increment; |
bedc9dc2 JA |
870 | |
871 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
872 | return f->real_file_size; | |
873 | ||
0b288ba1 VF |
874 | if (o->offset_increment_percent) { |
875 | assert(!o->offset_increment); | |
876 | increment = o->offset_increment_percent * f->real_file_size / 100; | |
877 | align = true; | |
878 | } else | |
879 | increment = o->offset_increment; | |
880 | ||
89978a6b | 881 | if (o->start_offset_percent > 0) { |
0b288ba1 VF |
882 | /* calculate the raw offset */ |
883 | offset = (f->real_file_size * o->start_offset_percent / 100) + | |
884 | (td->subjob_number * increment); | |
885 | ||
886 | align = true; | |
887 | } else { | |
888 | /* start_offset_percent not set */ | |
889 | offset = o->start_offset + | |
890 | td->subjob_number * increment; | |
891 | } | |
892 | ||
893 | if (align) { | |
872e0415 | 894 | /* |
0b288ba1 | 895 | * if offset_align is provided, use it |
872e0415 | 896 | */ |
83c8b093 JF |
897 | if (fio_option_is_set(o, start_offset_align)) { |
898 | align_bs = o->start_offset_align; | |
872e0415 JA |
899 | } else { |
900 | /* else take the minimum block size */ | |
89978a6b BW |
901 | align_bs = td_min_bs(td); |
902 | } | |
903 | ||
872e0415 JA |
904 | /* |
905 | * block align the offset at the next available boundary at | |
906 | * ceiling(offset / align_bs) * align_bs | |
907 | */ | |
89978a6b | 908 | offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs; |
89978a6b | 909 | } |
872e0415 | 910 | |
89978a6b | 911 | return offset; |
ce95d651 DE |
912 | } |
913 | ||
7273058c SW |
914 | /* |
915 | * Find longest path component that exists and return its length | |
916 | */ | |
917 | int longest_existing_path(char *path) { | |
918 | char buf[PATH_MAX]; | |
919 | bool done; | |
920 | char *buf_pos; | |
921 | int offset; | |
922 | #ifdef WIN32 | |
923 | DWORD dwAttr; | |
924 | #else | |
925 | struct stat sb; | |
926 | #endif | |
927 | ||
928 | sprintf(buf, "%s", path); | |
929 | done = false; | |
930 | while (!done) { | |
931 | buf_pos = strrchr(buf, FIO_OS_PATH_SEPARATOR); | |
932 | if (!buf_pos) { | |
933 | done = true; | |
934 | offset = 0; | |
935 | break; | |
936 | } | |
937 | ||
938 | *(buf_pos + 1) = '\0'; | |
939 | ||
940 | #ifdef WIN32 | |
941 | dwAttr = GetFileAttributesA(buf); | |
942 | if (dwAttr != INVALID_FILE_ATTRIBUTES) { | |
943 | done = true; | |
944 | } | |
945 | #else | |
946 | if (stat(buf, &sb) == 0) | |
947 | done = true; | |
948 | #endif | |
949 | if (done) | |
950 | offset = buf_pos - buf; | |
951 | else | |
952 | *buf_pos = '\0'; | |
953 | } | |
954 | ||
955 | return offset; | |
956 | } | |
957 | ||
95af8dd5 KZ |
958 | static bool create_work_dirs(struct thread_data *td, const char *fname) |
959 | { | |
960 | char path[PATH_MAX]; | |
961 | char *start, *end; | |
7273058c | 962 | int offset; |
95af8dd5 | 963 | |
df18600f SW |
964 | snprintf(path, PATH_MAX, "%s", fname); |
965 | start = path; | |
95af8dd5 | 966 | |
7273058c SW |
967 | offset = longest_existing_path(path); |
968 | end = start + offset; | |
95af8dd5 | 969 | while ((end = strchr(end, FIO_OS_PATH_SEPARATOR)) != NULL) { |
df18600f SW |
970 | if (end == start) { |
971 | end++; | |
972 | continue; | |
973 | } | |
95af8dd5 KZ |
974 | *end = '\0'; |
975 | errno = 0; | |
df18600f | 976 | if (fio_mkdir(path, 0700) && errno != EEXIST) { |
7273058c SW |
977 | log_err("fio: failed to create dir (%s): %s\n", |
978 | start, strerror(errno)); | |
95af8dd5 KZ |
979 | return false; |
980 | } | |
981 | *end = FIO_OS_PATH_SEPARATOR; | |
982 | end++; | |
983 | } | |
984 | td->flags |= TD_F_DIRS_CREATED; | |
985 | return true; | |
986 | } | |
987 | ||
7bb48f84 JA |
988 | /* |
989 | * Open the files and setup files sizes, creating files if necessary. | |
990 | */ | |
53cdc686 JA |
991 | int setup_files(struct thread_data *td) |
992 | { | |
7bb48f84 | 993 | unsigned long long total_size, extend_size; |
de98bd30 | 994 | struct thread_options *o = &td->o; |
53cdc686 | 995 | struct fio_file *f; |
002fe734 | 996 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 997 | int err = 0, need_extend; |
e90391eb | 998 | int old_state; |
5fff9543 | 999 | const unsigned long long bs = td_min_bs(td); |
002fe734 | 1000 | uint64_t fs = 0; |
53cdc686 | 1001 | |
ee56ad50 JA |
1002 | dprint(FD_FILE, "setup files\n"); |
1003 | ||
8edd973d | 1004 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 1005 | |
95af8dd5 KZ |
1006 | for_each_file(td, f, i) { |
1007 | if (!td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1008 | strchr(f->file_name, FIO_OS_PATH_SEPARATOR) && | |
1009 | !(td->flags & TD_F_DIRS_CREATED) && | |
1010 | !create_work_dirs(td, f->file_name)) | |
1011 | goto err_out; | |
1012 | } | |
1013 | ||
53cdc686 | 1014 | /* |
79591fa9 TK |
1015 | * Find out physical size of files or devices for this thread, |
1016 | * before we determine I/O size and range of our targets. | |
1017 | * If ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
1018 | * opening the files and setting f->real_file_size to indicate |
1019 | * the valid range for that file. | |
53cdc686 JA |
1020 | */ |
1021 | if (td->io_ops->setup) | |
7bb48f84 JA |
1022 | err = td->io_ops->setup(td); |
1023 | else | |
bab3fd58 | 1024 | err = get_file_sizes(td); |
53cdc686 | 1025 | |
f1027063 | 1026 | if (err) |
e90391eb | 1027 | goto err_out; |
f1027063 | 1028 | |
934c3085 AK |
1029 | if (o->read_iolog_file) |
1030 | goto done; | |
1df4ee29 | 1031 | |
0a7eb121 | 1032 | /* |
7bb48f84 JA |
1033 | * check sizes. if the files/devices do not exist and the size |
1034 | * isn't passed to fio, abort. | |
0a7eb121 | 1035 | */ |
7bb48f84 JA |
1036 | total_size = 0; |
1037 | for_each_file(td, f, i) { | |
49a416bd | 1038 | f->fileno = i; |
7bb48f84 JA |
1039 | if (f->real_file_size == -1ULL) |
1040 | total_size = -1ULL; | |
1041 | else | |
1042 | total_size += f->real_file_size; | |
1043 | } | |
0a7eb121 | 1044 | |
de98bd30 | 1045 | if (o->fill_device) |
2e3bd4c2 JA |
1046 | td->fill_device_size = get_fs_free_counts(td); |
1047 | ||
7bb48f84 JA |
1048 | /* |
1049 | * device/file sizes are zero and no size given, punt | |
1050 | */ | |
de98bd30 | 1051 | if ((!total_size || total_size == -1ULL) && !o->size && |
9b87f09b | 1052 | !td_ioengine_flagged(td, FIO_NOIO) && !o->fill_device && |
de98bd30 JA |
1053 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
1054 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 1055 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 1056 | goto err_out; |
53cdc686 JA |
1057 | } |
1058 | ||
002fe734 JA |
1059 | /* |
1060 | * Calculate per-file size and potential extra size for the | |
79591fa9 | 1061 | * first files, if needed (i.e. if we don't have a fixed size). |
002fe734 | 1062 | */ |
d1e78e6b | 1063 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
1064 | uint64_t all_fs; |
1065 | ||
1066 | fs = o->size / o->nr_files; | |
1067 | all_fs = fs * o->nr_files; | |
1068 | ||
1069 | if (all_fs < o->size) | |
1070 | nr_fs_extra = (o->size - all_fs) / bs; | |
1071 | } | |
1072 | ||
7bb48f84 JA |
1073 | /* |
1074 | * now file sizes are known, so we can set ->io_size. if size= is | |
1075 | * not given, ->io_size is just equal to ->real_file_size. if size | |
1076 | * is given, ->io_size is size / nr_files. | |
1077 | */ | |
1078 | extend_size = total_size = 0; | |
1079 | need_extend = 0; | |
1080 | for_each_file(td, f, i) { | |
bedc9dc2 | 1081 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 1082 | |
79591fa9 TK |
1083 | /* |
1084 | * Update ->io_size depending on options specified. | |
1085 | * ->file_size_low being 0 means filesize option isn't set. | |
1086 | * Non zero ->file_size_low equals ->file_size_high means | |
1087 | * filesize option is set in a fixed size format. | |
1088 | * Non zero ->file_size_low not equals ->file_size_high means | |
1089 | * filesize option is set in a range format. | |
1090 | */ | |
de98bd30 | 1091 | if (!o->file_size_low) { |
7bb48f84 | 1092 | /* |
79591fa9 | 1093 | * no file size or range given, file size is equal to |
c4aa2d08 | 1094 | * total size divided by number of files. If the size |
002fe734 JA |
1095 | * doesn't divide nicely with the min blocksize, |
1096 | * make the first files bigger. | |
7bb48f84 | 1097 | */ |
0d060147 | 1098 | f->io_size = fs; |
002fe734 JA |
1099 | if (nr_fs_extra) { |
1100 | nr_fs_extra--; | |
1101 | f->io_size += bs; | |
1102 | } | |
1103 | ||
c4aa2d08 | 1104 | /* |
c6dfd837 TK |
1105 | * We normally don't come here for regular files, but |
1106 | * if the result is 0 for a regular file, set it to the | |
1107 | * real file size. This could be size of the existing | |
1108 | * one if it already exists, but otherwise will be set | |
1109 | * to 0. A new file won't be created because | |
c4aa2d08 TK |
1110 | * ->io_size + ->file_offset equals ->real_file_size. |
1111 | */ | |
1112 | if (!f->io_size) { | |
1113 | if (f->file_offset > f->real_file_size) | |
1114 | goto err_offset; | |
273f8c91 | 1115 | f->io_size = f->real_file_size - f->file_offset; |
c4aa2d08 TK |
1116 | if (!f->io_size) |
1117 | log_info("fio: file %s may be ignored\n", | |
1118 | f->file_name); | |
1119 | } | |
de98bd30 JA |
1120 | } else if (f->real_file_size < o->file_size_low || |
1121 | f->real_file_size > o->file_size_high) { | |
1122 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 1123 | goto err_offset; |
7bb48f84 JA |
1124 | /* |
1125 | * file size given. if it's fixed, use that. if it's a | |
1126 | * range, generate a random size in-between. | |
1127 | */ | |
de98bd30 JA |
1128 | if (o->file_size_low == o->file_size_high) |
1129 | f->io_size = o->file_size_low - f->file_offset; | |
1130 | else { | |
5ec10eaa JA |
1131 | f->io_size = get_rand_file_size(td) |
1132 | - f->file_offset; | |
1133 | } | |
65bdb10a | 1134 | } else |
bcdedd0a | 1135 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 1136 | |
7bb48f84 JA |
1137 | if (f->io_size == -1ULL) |
1138 | total_size = -1ULL; | |
4d002569 | 1139 | else { |
8b38f401 AD |
1140 | uint64_t io_size; |
1141 | ||
408874da | 1142 | if (o->size_percent && o->size_percent != 100) { |
76e4bb4f SW |
1143 | uint64_t file_size; |
1144 | ||
1145 | file_size = f->io_size + f->file_offset; | |
1146 | f->io_size = (file_size * | |
1147 | o->size_percent) / 100; | |
1148 | if (f->io_size > (file_size - f->file_offset)) | |
1149 | f->io_size = file_size - f->file_offset; | |
1150 | ||
e391c704 JA |
1151 | f->io_size -= (f->io_size % td_min_bs(td)); |
1152 | } | |
8b38f401 AD |
1153 | |
1154 | io_size = f->io_size; | |
1155 | if (o->io_size_percent && o->io_size_percent != 100) { | |
1156 | io_size *= o->io_size_percent; | |
1157 | io_size /= 100; | |
1158 | } | |
1159 | ||
1160 | total_size += io_size; | |
4d002569 | 1161 | } |
7bb48f84 JA |
1162 | |
1163 | if (f->filetype == FIO_TYPE_FILE && | |
3c029ac4 SK |
1164 | (f->io_size + f->file_offset) > f->real_file_size) { |
1165 | if (!td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1166 | !o->create_on_open) { | |
5fd31680 | 1167 | need_extend++; |
814452bd | 1168 | extend_size += (f->io_size + f->file_offset); |
43558406 | 1169 | fio_file_set_extend(f); |
3c029ac4 SK |
1170 | } else if (!td_ioengine_flagged(td, FIO_DISKLESSIO) || |
1171 | (td_ioengine_flagged(td, FIO_DISKLESSIO) && | |
1172 | td_ioengine_flagged(td, FIO_FAKEIO))) | |
814452bd | 1173 | f->real_file_size = f->io_size + f->file_offset; |
5ec10eaa | 1174 | } |
7bb48f84 | 1175 | } |
53cdc686 | 1176 | |
66347cfa DE |
1177 | if (td->o.block_error_hist) { |
1178 | int len; | |
1179 | ||
1180 | assert(td->o.nr_files == 1); /* checked in fixup_options */ | |
1181 | f = td->files[0]; | |
1182 | len = f->io_size / td->o.bs[DDIR_TRIM]; | |
1183 | if (len > MAX_NR_BLOCK_INFOS || len <= 0) { | |
1184 | log_err("fio: cannot calculate block histogram with " | |
1185 | "%d trim blocks, maximum %d\n", | |
1186 | len, MAX_NR_BLOCK_INFOS); | |
1187 | td_verror(td, EINVAL, "block_error_hist"); | |
1188 | goto err_out; | |
1189 | } | |
1190 | ||
1191 | td->ts.nr_block_infos = len; | |
8a68c41c | 1192 | for (i = 0; i < len; i++) |
66347cfa DE |
1193 | td->ts.block_infos[i] = |
1194 | BLOCK_INFO(0, BLOCK_STATE_UNINIT); | |
1195 | } else | |
1196 | td->ts.nr_block_infos = 0; | |
1197 | ||
0bc27b0b | 1198 | if (!o->size || (total_size && o->size > total_size)) |
de98bd30 | 1199 | o->size = total_size; |
21972cde | 1200 | |
d1faa06d | 1201 | if (o->size < td_min_bs(td)) { |
6c3c11e5 | 1202 | log_err("fio: blocksize is larger than data set range\n"); |
d1faa06d JA |
1203 | goto err_out; |
1204 | } | |
1205 | ||
7bb48f84 | 1206 | /* |
79591fa9 TK |
1207 | * See if we need to extend some files, typically needed when our |
1208 | * target regular files don't exist yet, but our jobs require them | |
1209 | * initially due to read I/Os. | |
7bb48f84 JA |
1210 | */ |
1211 | if (need_extend) { | |
1212 | temp_stall_ts = 1; | |
7c5f4cdb TK |
1213 | if (output_format & FIO_OUTPUT_NORMAL) { |
1214 | log_info("%s: Laying out IO file%s (%u file%s / %s%lluMiB)\n", | |
1215 | o->name, | |
1216 | need_extend > 1 ? "s" : "", | |
1217 | need_extend, | |
1218 | need_extend > 1 ? "s" : "", | |
1219 | need_extend > 1 ? "total " : "", | |
1220 | extend_size >> 20); | |
1221 | } | |
7bb48f84 JA |
1222 | |
1223 | for_each_file(td, f, i) { | |
5e0074c2 | 1224 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 1225 | |
d6aed795 | 1226 | if (!fio_file_extend(f)) |
7bb48f84 JA |
1227 | continue; |
1228 | ||
409b3417 | 1229 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 1230 | fio_file_clear_extend(f); |
de98bd30 | 1231 | if (!o->fill_device) { |
5e0074c2 | 1232 | old_len = f->real_file_size; |
0b9d69ec JA |
1233 | extend_len = f->io_size + f->file_offset - |
1234 | old_len; | |
5e0074c2 | 1235 | } |
bcdedd0a | 1236 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
1237 | err = extend_file(td, f); |
1238 | if (err) | |
3baddf24 | 1239 | break; |
5e0074c2 | 1240 | |
3baddf24 JA |
1241 | err = __file_invalidate_cache(td, f, old_len, |
1242 | extend_len); | |
9824f73b JA |
1243 | |
1244 | /* | |
1245 | * Shut up static checker | |
1246 | */ | |
1247 | if (f->fd != -1) | |
1248 | close(f->fd); | |
1249 | ||
3baddf24 JA |
1250 | f->fd = -1; |
1251 | if (err) | |
7bb48f84 JA |
1252 | break; |
1253 | } | |
1254 | temp_stall_ts = 0; | |
1255 | } | |
1256 | ||
1257 | if (err) | |
e90391eb | 1258 | goto err_out; |
7bb48f84 | 1259 | |
ea966f81 JA |
1260 | /* |
1261 | * iolog already set the total io size, if we read back | |
1262 | * stored entries. | |
1263 | */ | |
77731b29 | 1264 | if (!o->read_iolog_file) { |
5be9bf09 TK |
1265 | if (o->io_size) |
1266 | td->total_io_size = o->io_size * o->loops; | |
77731b29 JA |
1267 | else |
1268 | td->total_io_size = o->size * o->loops; | |
1269 | } | |
25460cf6 JA |
1270 | |
1271 | done: | |
de98bd30 | 1272 | if (o->create_only) |
25460cf6 JA |
1273 | td->done = 1; |
1274 | ||
8edd973d | 1275 | td_restore_runstate(td, old_state); |
bfbdd35b BVA |
1276 | |
1277 | if (td->o.zone_mode == ZONE_MODE_ZBD) { | |
3c1dc34c | 1278 | err = zbd_setup_files(td); |
bfbdd35b BVA |
1279 | if (err) |
1280 | goto err_out; | |
1281 | } | |
7bb48f84 | 1282 | return 0; |
bfbdd35b | 1283 | |
bcdedd0a | 1284 | err_offset: |
de98bd30 | 1285 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 1286 | err_out: |
8edd973d | 1287 | td_restore_runstate(td, old_state); |
bcdedd0a | 1288 | return 1; |
53cdc686 JA |
1289 | } |
1290 | ||
c139f3b4 | 1291 | bool pre_read_files(struct thread_data *td) |
afad68f7 ZY |
1292 | { |
1293 | struct fio_file *f; | |
1294 | unsigned int i; | |
1295 | ||
1296 | dprint(FD_FILE, "pre_read files\n"); | |
1297 | ||
1298 | for_each_file(td, f, i) { | |
c139f3b4 JA |
1299 | if (!pre_read_file(td, f)) |
1300 | return false; | |
afad68f7 ZY |
1301 | } |
1302 | ||
c139f3b4 | 1303 | return true; |
afad68f7 ZY |
1304 | } |
1305 | ||
3a03f0cf | 1306 | static void __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
9c6f6316 | 1307 | { |
2316296a | 1308 | unsigned int range_size, seed; |
abb60c32 | 1309 | uint64_t nranges; |
42da5c8b | 1310 | uint64_t fsize; |
9c6f6316 JA |
1311 | |
1312 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
42da5c8b | 1313 | fsize = min(f->real_file_size, f->io_size); |
9c6f6316 | 1314 | |
abb60c32 | 1315 | nranges = (fsize + range_size - 1ULL) / range_size; |
9c6f6316 | 1316 | |
2316296a | 1317 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1318 | if (!td->o.rand_repeatable) |
1319 | seed = td->rand_seeds[4]; | |
1320 | ||
9c6f6316 | 1321 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
a87c90fd | 1322 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, td->o.random_center.u.f, seed); |
56d9fa4b | 1323 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
a87c90fd | 1324 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, td->o.random_center.u.f, seed); |
56d9fa4b | 1325 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
a87c90fd | 1326 | gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, td->o.random_center.u.f, seed); |
9c6f6316 JA |
1327 | } |
1328 | ||
4d832322 | 1329 | static bool init_rand_distribution(struct thread_data *td) |
9c6f6316 JA |
1330 | { |
1331 | struct fio_file *f; | |
1332 | unsigned int i; | |
1333 | int state; | |
1334 | ||
fd9882fa JA |
1335 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM || |
1336 | td->o.random_distribution == FIO_RAND_DIST_ZONED || | |
1337 | td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS) | |
4d832322 | 1338 | return false; |
9c6f6316 | 1339 | |
8edd973d JA |
1340 | state = td_bump_runstate(td, TD_SETTING_UP); |
1341 | ||
9c6f6316 JA |
1342 | for_each_file(td, f, i) |
1343 | __init_rand_distribution(td, f); | |
8edd973d JA |
1344 | |
1345 | td_restore_runstate(td, state); | |
4d832322 | 1346 | return true; |
9c6f6316 JA |
1347 | } |
1348 | ||
75f90d5f JA |
1349 | /* |
1350 | * Check if the number of blocks exceeds the randomness capability of | |
1351 | * the selected generator. Tausworthe is 32-bit, the others are fullly | |
1352 | * 64-bit capable. | |
1353 | */ | |
1354 | static int check_rand_gen_limits(struct thread_data *td, struct fio_file *f, | |
1355 | uint64_t blocks) | |
1356 | { | |
1357 | if (blocks <= FRAND32_MAX) | |
1358 | return 0; | |
1359 | if (td->o.random_generator != FIO_RAND_GEN_TAUSWORTHE) | |
1360 | return 0; | |
1361 | ||
1362 | /* | |
1363 | * If the user hasn't specified a random generator, switch | |
1364 | * to tausworthe64 with informational warning. If the user did | |
1365 | * specify one, just warn. | |
1366 | */ | |
1367 | log_info("fio: file %s exceeds 32-bit tausworthe random generator.\n", | |
1368 | f->file_name); | |
1369 | ||
1370 | if (!fio_option_is_set(&td->o, random_generator)) { | |
1371 | log_info("fio: Switching to tausworthe64. Use the " | |
1372 | "random_generator= option to get rid of this " | |
4e795a3e | 1373 | "warning.\n"); |
75f90d5f JA |
1374 | td->o.random_generator = FIO_RAND_GEN_TAUSWORTHE64; |
1375 | return 0; | |
1376 | } | |
1377 | ||
1378 | /* | |
1379 | * Just make this information to avoid breaking scripts. | |
1380 | */ | |
1381 | log_info("fio: Use the random_generator= option to switch to lfsr or " | |
1382 | "tausworthe64.\n"); | |
1383 | return 0; | |
1384 | } | |
1385 | ||
4d832322 | 1386 | bool init_random_map(struct thread_data *td) |
68727076 | 1387 | { |
51ede0b1 | 1388 | unsigned long long blocks; |
68727076 JA |
1389 | struct fio_file *f; |
1390 | unsigned int i; | |
1391 | ||
9c6f6316 | 1392 | if (init_rand_distribution(td)) |
4d832322 | 1393 | return true; |
3831a843 | 1394 | if (!td_random(td)) |
4d832322 | 1395 | return true; |
68727076 JA |
1396 | |
1397 | for_each_file(td, f, i) { | |
42da5c8b | 1398 | uint64_t fsize = min(f->real_file_size, f->io_size); |
38f30c81 | 1399 | |
3ed8c570 VF |
1400 | if (td->o.zone_mode == ZONE_MODE_STRIDED) |
1401 | fsize = td->o.zone_range; | |
1402 | ||
42da5c8b | 1403 | blocks = fsize / (unsigned long long) td->o.rw_min_bs; |
53737ae0 | 1404 | |
75f90d5f | 1405 | if (check_rand_gen_limits(td, f, blocks)) |
4d832322 | 1406 | return false; |
37fbd7e9 | 1407 | |
8055e41d | 1408 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
9781c080 | 1409 | uint64_t seed; |
82af46be JA |
1410 | |
1411 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1412 | |
967d1b63 JA |
1413 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) { |
1414 | fio_file_set_lfsr(f); | |
8055e41d | 1415 | continue; |
78f59d40 VF |
1416 | } else { |
1417 | log_err("fio: failed initializing LFSR\n"); | |
1418 | return false; | |
967d1b63 | 1419 | } |
3831a843 | 1420 | } else if (!td->o.norandommap) { |
7ebd796f | 1421 | f->io_axmap = axmap_new(blocks); |
967d1b63 JA |
1422 | if (f->io_axmap) { |
1423 | fio_file_set_axmap(f); | |
8055e41d | 1424 | continue; |
967d1b63 | 1425 | } |
1cad7121 JA |
1426 | } else if (td->o.norandommap) |
1427 | continue; | |
ceadd59e | 1428 | |
2b386d25 | 1429 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1430 | log_err("fio: failed allocating random map. If running" |
1431 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1432 | " option or set 'softrandommap'. Or give" |
1433 | " a larger --alloc-size to fio.\n"); | |
4d832322 | 1434 | return false; |
68727076 | 1435 | } |
303032ae JA |
1436 | |
1437 | log_info("fio: file %s failed allocating random map. Running " | |
1438 | "job without.\n", f->file_name); | |
68727076 JA |
1439 | } |
1440 | ||
4d832322 | 1441 | return true; |
68727076 JA |
1442 | } |
1443 | ||
53cdc686 JA |
1444 | void close_files(struct thread_data *td) |
1445 | { | |
0ab8db89 | 1446 | struct fio_file *f; |
af52b345 | 1447 | unsigned int i; |
53cdc686 | 1448 | |
2be3eec3 JA |
1449 | for_each_file(td, f, i) { |
1450 | if (fio_file_open(f)) | |
1451 | td_io_close_file(td, f); | |
1452 | } | |
24ffd2c2 JA |
1453 | } |
1454 | ||
e711df54 JA |
1455 | void fio_file_free(struct fio_file *f) |
1456 | { | |
1457 | if (fio_file_axmap(f)) | |
1458 | axmap_free(f->io_axmap); | |
1459 | if (!fio_file_smalloc(f)) { | |
1460 | free(f->file_name); | |
1461 | free(f); | |
1462 | } else { | |
1463 | sfree(f->file_name); | |
1464 | sfree(f); | |
1465 | } | |
1466 | } | |
1467 | ||
24ffd2c2 JA |
1468 | void close_and_free_files(struct thread_data *td) |
1469 | { | |
1470 | struct fio_file *f; | |
1471 | unsigned int i; | |
1472 | ||
ee56ad50 JA |
1473 | dprint(FD_FILE, "close files\n"); |
1474 | ||
0ab8db89 | 1475 | for_each_file(td, f, i) { |
38ef9c90 CF |
1476 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1477 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1478 | td_io_unlink_file(td, f); | |
1479 | } | |
1480 | ||
22a57ba8 JA |
1481 | if (fio_file_open(f)) |
1482 | td_io_close_file(td, f); | |
1483 | ||
b9fbcf21 | 1484 | remove_file_hash(f); |
b3dc7f07 | 1485 | |
b5f4d8ba JA |
1486 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1487 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
38ef9c90 | 1488 | td_io_unlink_file(td, f); |
b5f4d8ba JA |
1489 | } |
1490 | ||
3c1dc34c | 1491 | zbd_close_file(f); |
e711df54 | 1492 | fio_file_free(f); |
53cdc686 | 1493 | } |
b4a6a59a | 1494 | |
2dc1bbeb | 1495 | td->o.filename = NULL; |
cade3ef4 | 1496 | free(td->files); |
d7df1d13 | 1497 | free(td->file_locks); |
9efef3c4 | 1498 | td->files_index = 0; |
b4a6a59a | 1499 | td->files = NULL; |
d7df1d13 | 1500 | td->file_locks = NULL; |
27ddbfa0 | 1501 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1502 | td->o.nr_files = 0; |
53cdc686 | 1503 | } |
af52b345 | 1504 | |
e3bab463 | 1505 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1506 | { |
1507 | struct stat sb; | |
1508 | ||
66159828 JA |
1509 | if (!strcmp(f->file_name, "-")) |
1510 | f->filetype = FIO_TYPE_PIPE; | |
1511 | else | |
1512 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1513 | |
d5b78f5a | 1514 | #ifdef WIN32 |
3892182a BC |
1515 | /* \\.\ is the device namespace in Windows, where every file is |
1516 | * a block device */ | |
1517 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
686fbd31 | 1518 | f->filetype = FIO_TYPE_BLOCK; |
d5b78f5a | 1519 | #endif |
3892182a | 1520 | |
b30d395e | 1521 | if (!stat(f->file_name, &sb)) { |
3892182a | 1522 | if (S_ISBLK(sb.st_mode)) |
686fbd31 | 1523 | f->filetype = FIO_TYPE_BLOCK; |
af52b345 JA |
1524 | else if (S_ISCHR(sb.st_mode)) |
1525 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1526 | else if (S_ISFIFO(sb.st_mode)) |
1527 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1528 | } |
1529 | } | |
1530 | ||
1b2a83dc | 1531 | static bool __is_already_allocated(const char *fname, bool set) |
190b8f0c | 1532 | { |
90426237 | 1533 | struct flist_head *entry; |
1b2a83dc | 1534 | bool ret; |
bcbfeefa | 1535 | |
1b2a83dc JA |
1536 | ret = file_bloom_exists(fname, set); |
1537 | if (!ret) | |
1538 | return ret; | |
90426237 JA |
1539 | |
1540 | flist_for_each(entry, &filename_list) { | |
04d6530f | 1541 | struct file_name *fn; |
90426237 | 1542 | |
04d6530f JA |
1543 | fn = flist_entry(entry, struct file_name, list); |
1544 | ||
1545 | if (!strcmp(fn->filename, fname)) | |
1546 | return true; | |
90426237 JA |
1547 | } |
1548 | ||
04d6530f | 1549 | return false; |
bcbfeefa CE |
1550 | } |
1551 | ||
04d6530f | 1552 | static bool is_already_allocated(const char *fname) |
bcbfeefa | 1553 | { |
04d6530f | 1554 | bool ret; |
bcbfeefa | 1555 | |
90426237 | 1556 | fio_file_hash_lock(); |
1b2a83dc | 1557 | ret = __is_already_allocated(fname, false); |
90426237 | 1558 | fio_file_hash_unlock(); |
04d6530f | 1559 | |
90426237 JA |
1560 | return ret; |
1561 | } | |
bcbfeefa | 1562 | |
90426237 JA |
1563 | static void set_already_allocated(const char *fname) |
1564 | { | |
1565 | struct file_name *fn; | |
1566 | ||
1567 | fn = malloc(sizeof(struct file_name)); | |
1568 | fn->filename = strdup(fname); | |
1569 | ||
1570 | fio_file_hash_lock(); | |
1b2a83dc | 1571 | if (!__is_already_allocated(fname, true)) { |
90426237 JA |
1572 | flist_add_tail(&fn->list, &filename_list); |
1573 | fn = NULL; | |
bcbfeefa | 1574 | } |
90426237 | 1575 | fio_file_hash_unlock(); |
bcbfeefa | 1576 | |
90426237 JA |
1577 | if (fn) { |
1578 | free(fn->filename); | |
1579 | free(fn); | |
1580 | } | |
bcbfeefa CE |
1581 | } |
1582 | ||
190b8f0c CF |
1583 | static void free_already_allocated(void) |
1584 | { | |
bcbfeefa CE |
1585 | struct flist_head *entry, *tmp; |
1586 | struct file_name *fn; | |
1587 | ||
90426237 JA |
1588 | if (flist_empty(&filename_list)) |
1589 | return; | |
1590 | ||
1591 | fio_file_hash_lock(); | |
1592 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1593 | fn = flist_entry(entry, struct file_name, list); | |
1594 | free(fn->filename); | |
1595 | flist_del(&fn->list); | |
1596 | free(fn); | |
bcbfeefa | 1597 | } |
90426237 JA |
1598 | |
1599 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1600 | } |
1601 | ||
7b5cb700 JA |
1602 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1603 | { | |
1604 | struct fio_file *f; | |
1605 | ||
cb9bf647 JB |
1606 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1607 | f = calloc(1, sizeof(*f)); | |
1608 | else | |
e0b3258b | 1609 | f = scalloc(1, sizeof(*f)); |
7b5cb700 | 1610 | if (!f) { |
7b5cb700 JA |
1611 | assert(0); |
1612 | return NULL; | |
1613 | } | |
1614 | ||
1615 | f->fd = -1; | |
1616 | f->shadow_fd = -1; | |
1617 | fio_file_reset(td, f); | |
6081231a JA |
1618 | if (!td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1619 | fio_file_set_smalloc(f); | |
7b5cb700 JA |
1620 | return f; |
1621 | } | |
1622 | ||
04d6530f JA |
1623 | bool exists_and_not_regfile(const char *filename) |
1624 | { | |
1625 | struct stat sb; | |
1626 | ||
1627 | if (lstat(filename, &sb) == -1) | |
1628 | return false; | |
1629 | ||
1630 | #ifndef WIN32 /* NOT Windows */ | |
1631 | if (S_ISREG(sb.st_mode)) | |
1632 | return false; | |
1633 | #else | |
1634 | /* \\.\ is the device namespace in Windows, where every file | |
1635 | * is a device node */ | |
1636 | if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0) | |
1637 | return false; | |
1638 | #endif | |
1639 | ||
1640 | return true; | |
1641 | } | |
1642 | ||
5903e7b7 | 1643 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1644 | { |
7b4e4fe5 | 1645 | int cur_files = td->files_index; |
bd0ee748 | 1646 | char file_name[PATH_MAX]; |
af52b345 | 1647 | struct fio_file *f; |
bd0ee748 | 1648 | int len = 0; |
af52b345 | 1649 | |
ee56ad50 JA |
1650 | dprint(FD_FILE, "add file %s\n", fname); |
1651 | ||
bcbfeefa | 1652 | if (td->o.directory) |
922a5be8 JA |
1653 | len = set_name_idx(file_name, PATH_MAX, td->o.directory, numjob, |
1654 | td->o.unique_filename); | |
bcbfeefa CE |
1655 | |
1656 | sprintf(file_name + len, "%s", fname); | |
1657 | ||
1658 | /* clean cloned siblings using existing files */ | |
04d6530f JA |
1659 | if (numjob && is_already_allocated(file_name) && |
1660 | !exists_and_not_regfile(fname)) | |
bcbfeefa CE |
1661 | return 0; |
1662 | ||
7b5cb700 | 1663 | f = alloc_new_file(td); |
bd0ee748 | 1664 | |
fc99bc0d | 1665 | if (td->files_size <= td->files_index) { |
1983e327 | 1666 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1667 | |
fc99bc0d JA |
1668 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1669 | ||
1670 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1671 | if (td->files == NULL) { |
1672 | log_err("fio: realloc OOM\n"); | |
1673 | assert(0); | |
1674 | } | |
d7df1d13 JA |
1675 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1676 | td->file_locks = realloc(td->file_locks, new_size); | |
1677 | if (!td->file_locks) { | |
1678 | log_err("fio: realloc OOM\n"); | |
1679 | assert(0); | |
1680 | } | |
1681 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1682 | } | |
fc99bc0d JA |
1683 | td->files_size = new_size; |
1684 | } | |
8bb7679e | 1685 | td->files[cur_files] = f; |
89ac1d48 | 1686 | f->fileno = cur_files; |
126d65c6 | 1687 | |
07eb79df JA |
1688 | /* |
1689 | * init function, io engine may not be loaded yet | |
1690 | */ | |
9b87f09b | 1691 | if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO)) |
07eb79df JA |
1692 | f->real_file_size = -1ULL; |
1693 | ||
cb9bf647 JB |
1694 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1695 | f->file_name = strdup(file_name); | |
1696 | else | |
1697 | f->file_name = smalloc_strdup(file_name); | |
b2e6494c JA |
1698 | |
1699 | /* can't handle smalloc failure from here */ | |
1700 | assert(f->file_name); | |
0b9d69ec | 1701 | |
e3bab463 | 1702 | get_file_type(f); |
af52b345 | 1703 | |
4d4e80f2 JA |
1704 | switch (td->o.file_lock_mode) { |
1705 | case FILE_LOCK_NONE: | |
1706 | break; | |
1707 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1708 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1709 | break; |
1710 | case FILE_LOCK_EXCLUSIVE: | |
971caeb1 | 1711 | f->lock = fio_sem_init(FIO_SEM_UNLOCKED); |
4d4e80f2 JA |
1712 | break; |
1713 | default: | |
1714 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1715 | assert(0); | |
1716 | } | |
29c1349f | 1717 | |
7b4e4fe5 | 1718 | td->files_index++; |
f29b25a3 | 1719 | |
084a5475 JA |
1720 | if (td->o.numjobs > 1) |
1721 | set_already_allocated(file_name); | |
bcbfeefa | 1722 | |
5903e7b7 JA |
1723 | if (inc) |
1724 | td->o.nr_files++; | |
1725 | ||
5ec10eaa JA |
1726 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1727 | cur_files); | |
9efef3c4 | 1728 | |
f29b25a3 | 1729 | return cur_files; |
af52b345 | 1730 | } |
0ad920e7 | 1731 | |
49ffb4a2 JA |
1732 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1733 | { | |
1734 | struct fio_file *f; | |
1735 | unsigned int i; | |
1736 | ||
1737 | for_each_file(td, f, i) { | |
1738 | if (!strcmp(f->file_name, fname)) | |
1739 | return i; | |
1740 | } | |
1741 | ||
5903e7b7 | 1742 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1743 | } |
1744 | ||
0ad920e7 JA |
1745 | void get_file(struct fio_file *f) |
1746 | { | |
8172fe97 | 1747 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1748 | assert(fio_file_open(f)); |
0ad920e7 JA |
1749 | f->references++; |
1750 | } | |
1751 | ||
6977bcd0 | 1752 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1753 | { |
98e1ac4e | 1754 | int f_ret = 0, ret = 0; |
6977bcd0 | 1755 | |
8172fe97 | 1756 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1757 | |
22a57ba8 JA |
1758 | if (!fio_file_open(f)) { |
1759 | assert(f->fd == -1); | |
6977bcd0 | 1760 | return 0; |
22a57ba8 | 1761 | } |
0ad920e7 JA |
1762 | |
1763 | assert(f->references); | |
1764 | if (--f->references) | |
6977bcd0 | 1765 | return 0; |
0ad920e7 | 1766 | |
230f33fb AK |
1767 | disk_util_dec(f->du); |
1768 | ||
1769 | if (td->o.file_lock_mode != FILE_LOCK_NONE) | |
1770 | unlock_file_all(td, f); | |
1771 | ||
71b84caa | 1772 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1773 | f_ret = fsync(f->fd); |
71b84caa JA |
1774 | if (f_ret < 0) |
1775 | f_ret = errno; | |
1776 | } | |
ebb1415f | 1777 | |
0ad920e7 | 1778 | if (td->io_ops->close_file) |
6977bcd0 | 1779 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1780 | |
98e1ac4e | 1781 | if (!ret) |
a5fb461f | 1782 | ret = f_ret; |
98e1ac4e | 1783 | |
0ad920e7 | 1784 | td->nr_open_files--; |
230f33fb | 1785 | fio_file_clear_closing(f); |
d6aed795 | 1786 | fio_file_clear_open(f); |
22a57ba8 | 1787 | assert(f->fd == -1); |
6977bcd0 | 1788 | return ret; |
0ad920e7 | 1789 | } |
bbf6b540 | 1790 | |
4d4e80f2 | 1791 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1792 | { |
4d4e80f2 JA |
1793 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1794 | return; | |
29c1349f | 1795 | |
4d4e80f2 JA |
1796 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1797 | if (ddir == DDIR_READ) | |
d7df1d13 | 1798 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1799 | else |
d7df1d13 | 1800 | fio_rwlock_write(f->rwlock); |
4d4e80f2 | 1801 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
971caeb1 | 1802 | fio_sem_down(f->lock); |
4d4e80f2 | 1803 | |
d7df1d13 | 1804 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1805 | } |
1806 | ||
4d4e80f2 | 1807 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1808 | { |
4d4e80f2 JA |
1809 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1810 | return; | |
4d4e80f2 | 1811 | |
d7df1d13 JA |
1812 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1813 | fio_rwlock_unlock(f->rwlock); | |
1814 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
971caeb1 | 1815 | fio_sem_up(f->lock); |
d7df1d13 JA |
1816 | |
1817 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1818 | } |
1819 | ||
4d4e80f2 JA |
1820 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1821 | { | |
f2a2803a | 1822 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1823 | return; |
d7df1d13 JA |
1824 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1825 | unlock_file(td, f); | |
4d4e80f2 JA |
1826 | } |
1827 | ||
13bddad9 | 1828 | static bool recurse_dir(struct thread_data *td, const char *dirname) |
bbf6b540 JA |
1829 | { |
1830 | struct dirent *dir; | |
13bddad9 | 1831 | bool ret = false; |
bbf6b540 JA |
1832 | DIR *D; |
1833 | ||
1834 | D = opendir(dirname); | |
1835 | if (!D) { | |
0ddb270c JA |
1836 | char buf[FIO_VERROR_SIZE]; |
1837 | ||
98ffb8f3 | 1838 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1839 | td_verror(td, errno, buf); |
13bddad9 | 1840 | return true; |
bbf6b540 JA |
1841 | } |
1842 | ||
1843 | while ((dir = readdir(D)) != NULL) { | |
1844 | char full_path[PATH_MAX]; | |
1845 | struct stat sb; | |
1846 | ||
e85b2b83 JA |
1847 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1848 | continue; | |
96d32d51 | 1849 | |
53a7af85 | 1850 | sprintf(full_path, "%s%c%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1851 | |
1852 | if (lstat(full_path, &sb) == -1) { | |
1853 | if (errno != ENOENT) { | |
1854 | td_verror(td, errno, "stat"); | |
13bddad9 | 1855 | ret = true; |
68ace9e0 | 1856 | break; |
bbf6b540 JA |
1857 | } |
1858 | } | |
1859 | ||
1860 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1861 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1862 | continue; |
1863 | } | |
0ddb270c JA |
1864 | if (!S_ISDIR(sb.st_mode)) |
1865 | continue; | |
bbf6b540 | 1866 | |
5ec10eaa JA |
1867 | ret = recurse_dir(td, full_path); |
1868 | if (ret) | |
bbf6b540 JA |
1869 | break; |
1870 | } | |
1871 | ||
1872 | closedir(D); | |
1873 | return ret; | |
1874 | } | |
1875 | ||
1876 | int add_dir_files(struct thread_data *td, const char *path) | |
1877 | { | |
0ddb270c JA |
1878 | int ret = recurse_dir(td, path); |
1879 | ||
1880 | if (!ret) | |
1881 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1882 | ||
1883 | return ret; | |
bbf6b540 | 1884 | } |
cade3ef4 JA |
1885 | |
1886 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1887 | { | |
1888 | struct fio_file *f; | |
1889 | unsigned int i; | |
9efef3c4 JA |
1890 | |
1891 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1892 | |
1893 | if (!org->files) | |
1894 | return; | |
1895 | ||
9efef3c4 | 1896 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1897 | |
d7df1d13 JA |
1898 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1899 | td->file_locks = malloc(org->files_index); | |
1900 | ||
9efef3c4 | 1901 | for_each_file(org, f, i) { |
b0fe421a JA |
1902 | struct fio_file *__f; |
1903 | ||
7b5cb700 | 1904 | __f = alloc_new_file(td); |
0b9d69ec | 1905 | |
bc3456fa | 1906 | if (f->file_name) { |
cb9bf647 JB |
1907 | if (td_ioengine_flagged(td, FIO_NOFILEHASH)) |
1908 | __f->file_name = strdup(f->file_name); | |
1909 | else | |
1910 | __f->file_name = smalloc_strdup(f->file_name); | |
0b9d69ec | 1911 | |
b2e6494c JA |
1912 | /* can't handle smalloc failure from here */ |
1913 | assert(__f->file_name); | |
bc3456fa AC |
1914 | __f->filetype = f->filetype; |
1915 | } | |
b0fe421a | 1916 | |
67ad9242 JA |
1917 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1918 | __f->lock = f->lock; | |
1919 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1920 | __f->rwlock = f->rwlock; | |
1921 | ||
b0fe421a | 1922 | td->files[i] = __f; |
cade3ef4 JA |
1923 | } |
1924 | } | |
f29b25a3 JA |
1925 | |
1926 | /* | |
1927 | * Returns the index that matches the filename, or -1 if not there | |
1928 | */ | |
1929 | int get_fileno(struct thread_data *td, const char *fname) | |
1930 | { | |
1931 | struct fio_file *f; | |
1932 | unsigned int i; | |
1933 | ||
1934 | for_each_file(td, f, i) | |
1935 | if (!strcmp(f->file_name, fname)) | |
1936 | return i; | |
1937 | ||
1938 | return -1; | |
1939 | } | |
1940 | ||
1941 | /* | |
1942 | * For log usage, where we add/open/close files automatically | |
1943 | */ | |
1944 | void free_release_files(struct thread_data *td) | |
1945 | { | |
1946 | close_files(td); | |
66ee4002 JA |
1947 | td->o.nr_files = 0; |
1948 | td->o.open_files = 0; | |
f29b25a3 | 1949 | td->files_index = 0; |
f29b25a3 | 1950 | } |
33c48814 JA |
1951 | |
1952 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1953 | { | |
f1dfb668 JA |
1954 | int i; |
1955 | ||
1956 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
1957 | f->last_pos[i] = f->file_offset; | |
1958 | f->last_start[i] = -1ULL; | |
1959 | } | |
1960 | ||
967d1b63 | 1961 | if (fio_file_axmap(f)) |
33c48814 | 1962 | axmap_reset(f->io_axmap); |
967d1b63 | 1963 | else if (fio_file_lfsr(f)) |
33c48814 | 1964 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
bfbdd35b BVA |
1965 | |
1966 | zbd_file_reset(td, f); | |
33c48814 | 1967 | } |
002fe734 | 1968 | |
747b3105 | 1969 | bool fio_files_done(struct thread_data *td) |
002fe734 JA |
1970 | { |
1971 | struct fio_file *f; | |
1972 | unsigned int i; | |
1973 | ||
1974 | for_each_file(td, f, i) | |
1975 | if (!fio_file_done(f)) | |
747b3105 | 1976 | return false; |
002fe734 | 1977 | |
747b3105 | 1978 | return true; |
002fe734 | 1979 | } |
bcbfeefa CE |
1980 | |
1981 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1982 | void filesetup_mem_free(void) |
1983 | { | |
bcbfeefa CE |
1984 | free_already_allocated(); |
1985 | } | |
47534cda TK |
1986 | |
1987 | /* | |
1988 | * This function is for platforms which support direct I/O but not O_DIRECT. | |
1989 | */ | |
1990 | int fio_set_directio(struct thread_data *td, struct fio_file *f) | |
1991 | { | |
1992 | #ifdef FIO_OS_DIRECTIO | |
2905de74 | 1993 | int ret = fio_set_odirect(f); |
47534cda TK |
1994 | |
1995 | if (ret) { | |
1996 | td_verror(td, ret, "fio_set_directio"); | |
1997 | #if defined(__sun__) | |
1998 | if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */ | |
1999 | log_err("fio: doing directIO to RAW devices or ZFS not supported\n"); | |
2000 | } else { | |
2001 | log_err("fio: the file system does not seem to support direct IO\n"); | |
2002 | } | |
2003 | #else | |
2004 | log_err("fio: the file system does not seem to support direct IO\n"); | |
2005 | #endif | |
2006 | return -1; | |
2007 | } | |
2008 | ||
2009 | return 0; | |
2010 | #else | |
51102e0d | 2011 | log_err("fio: direct IO is not supported on this host operating system\n"); |
47534cda TK |
2012 | return -1; |
2013 | #endif | |
2014 | } |