Commit | Line | Data |
---|---|---|
53cdc686 JA |
1 | #include <unistd.h> |
2 | #include <fcntl.h> | |
3 | #include <string.h> | |
4 | #include <assert.h> | |
bbf6b540 | 5 | #include <dirent.h> |
d74ac843 | 6 | #include <libgen.h> |
53cdc686 JA |
7 | #include <sys/stat.h> |
8 | #include <sys/mman.h> | |
bbf6b540 | 9 | #include <sys/types.h> |
53cdc686 JA |
10 | |
11 | #include "fio.h" | |
f17c4392 | 12 | #include "smalloc.h" |
4906e0b5 | 13 | #include "filehash.h" |
ecc314ba | 14 | #include "os/os.h" |
2316296a | 15 | #include "hash.h" |
53cdc686 | 16 | |
a596f047 EG |
17 | #ifdef FIO_HAVE_LINUX_FALLOCATE |
18 | #include <linux/falloc.h> | |
19 | #endif | |
20 | ||
7172cfe8 JA |
21 | static int root_warn; |
22 | ||
c592b9fe JA |
23 | static inline void clear_error(struct thread_data *td) |
24 | { | |
25 | td->error = 0; | |
26 | td->verror[0] = '\0'; | |
27 | } | |
28 | ||
3baddf24 JA |
29 | /* |
30 | * Leaves f->fd open on success, caller must close | |
31 | */ | |
7bb48f84 | 32 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 33 | { |
ea443657 | 34 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
35 | unsigned long long left; |
36 | unsigned int bs; | |
37 | char *b; | |
b2a15192 | 38 | |
4241ea8f JA |
39 | if (read_only) { |
40 | log_err("fio: refusing extend of file due to read-only\n"); | |
41 | return 0; | |
42 | } | |
43 | ||
507a702f JA |
44 | /* |
45 | * check if we need to lay the file out complete again. fio | |
46 | * does that for operations involving reads, or for writes | |
47 | * where overwrite is set | |
48 | */ | |
ffdfabd4 JA |
49 | if (td_read(td) || (td_write(td) && td->o.overwrite) || |
50 | (td_write(td) && td->io_ops->flags & FIO_NOEXTEND)) | |
507a702f | 51 | new_layout = 1; |
ea443657 JA |
52 | if (td_write(td) && !td->o.overwrite) |
53 | unlink_file = 1; | |
507a702f | 54 | |
6ae1f57f | 55 | if (unlink_file || new_layout) { |
bd199f2b | 56 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
982016d6 | 57 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
7bb48f84 JA |
58 | td_verror(td, errno, "unlink"); |
59 | return 1; | |
60 | } | |
61 | } | |
62 | ||
507a702f JA |
63 | flags = O_WRONLY | O_CREAT; |
64 | if (new_layout) | |
65 | flags |= O_TRUNC; | |
66 | ||
ee56ad50 | 67 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 68 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 69 | if (f->fd < 0) { |
e1161c32 | 70 | td_verror(td, errno, "open"); |
53cdc686 JA |
71 | return 1; |
72 | } | |
73 | ||
7bc8c2cf | 74 | #ifdef FIO_HAVE_FALLOCATE |
a596f047 EG |
75 | if (!td->o.fill_device) { |
76 | switch (td->o.fallocate_mode) { | |
77 | case FIO_FALLOCATE_NONE: | |
78 | break; | |
79 | case FIO_FALLOCATE_POSIX: | |
80 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
81 | f->file_name, f->real_file_size); | |
82 | ||
83 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
84 | if (r > 0) { | |
85 | log_err("fio: posix_fallocate fails: %s\n", | |
86 | strerror(r)); | |
87 | } | |
88 | break; | |
89 | #ifdef FIO_HAVE_LINUX_FALLOCATE | |
90 | case FIO_FALLOCATE_KEEP_SIZE: | |
91 | dprint(FD_FILE, | |
92 | "fallocate(FALLOC_FL_KEEP_SIZE) " | |
93 | "file %s size %llu\n", | |
94 | f->file_name, f->real_file_size); | |
7bc8c2cf | 95 | |
a596f047 EG |
96 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, |
97 | f->real_file_size); | |
98 | if (r != 0) { | |
99 | td_verror(td, errno, "fallocate"); | |
100 | } | |
101 | break; | |
102 | #endif /* FIO_HAVE_LINUX_FALLOCATE */ | |
103 | default: | |
104 | log_err("fio: unknown fallocate mode: %d\n", | |
105 | td->o.fallocate_mode); | |
106 | assert(0); | |
7bc8c2cf JA |
107 | } |
108 | } | |
a596f047 | 109 | #endif /* FIO_HAVE_FALLOCATE */ |
9b836561 | 110 | |
fc74ac1d SL |
111 | if (!new_layout) |
112 | goto done; | |
113 | ||
5e0074c2 JA |
114 | /* |
115 | * The size will be -1ULL when fill_device is used, so don't truncate | |
116 | * or fallocate this file, just write it | |
117 | */ | |
118 | if (!td->o.fill_device) { | |
119 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
ee56ad50 | 120 | f->real_file_size); |
5e0074c2 JA |
121 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
122 | td_verror(td, errno, "ftruncate"); | |
123 | goto err; | |
124 | } | |
5e0074c2 | 125 | } |
40f8298c | 126 | |
2dc1bbeb JA |
127 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
128 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 129 | |
7bb48f84 | 130 | left = f->real_file_size; |
53cdc686 | 131 | while (left && !td->terminate) { |
2dc1bbeb | 132 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
133 | if (bs > left) |
134 | bs = left; | |
135 | ||
136 | r = write(f->fd, b, bs); | |
137 | ||
5e0074c2 JA |
138 | if (r > 0) { |
139 | left -= r; | |
53cdc686 JA |
140 | continue; |
141 | } else { | |
5e0074c2 JA |
142 | if (r < 0) { |
143 | int __e = errno; | |
144 | ||
145 | if (__e == ENOSPC) { | |
146 | if (td->o.fill_device) | |
147 | break; | |
148 | log_info("fio: ENOSPC on laying out " | |
149 | "file, stopping\n"); | |
150 | break; | |
151 | } | |
e1161c32 | 152 | td_verror(td, errno, "write"); |
5e0074c2 | 153 | } else |
e1161c32 | 154 | td_verror(td, EIO, "write"); |
53cdc686 JA |
155 | |
156 | break; | |
157 | } | |
158 | } | |
159 | ||
ffdfabd4 JA |
160 | if (td->terminate) { |
161 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
53cdc686 | 162 | unlink(f->file_name); |
ffdfabd4 | 163 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
164 | if (fsync(f->fd) < 0) { |
165 | td_verror(td, errno, "fsync"); | |
166 | goto err; | |
167 | } | |
168 | } | |
0d1cd207 | 169 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 170 | fio_file_clear_size_known(f); |
5e0074c2 JA |
171 | if (td_io_get_file_size(td, f)) |
172 | goto err; | |
173 | if (f->io_size > f->real_file_size) | |
174 | f->io_size = f->real_file_size; | |
175 | } | |
53cdc686 JA |
176 | |
177 | free(b); | |
507a702f | 178 | done: |
53cdc686 JA |
179 | return 0; |
180 | err: | |
181 | close(f->fd); | |
182 | f->fd = -1; | |
183 | return 1; | |
184 | } | |
185 | ||
afad68f7 ZY |
186 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
187 | { | |
b0f65863 | 188 | int r, did_open = 0, old_runstate; |
afad68f7 ZY |
189 | unsigned long long left; |
190 | unsigned int bs; | |
191 | char *b; | |
192 | ||
9c0d2241 JA |
193 | if (td->io_ops->flags & FIO_PIPEIO) |
194 | return 0; | |
195 | ||
d6aed795 | 196 | if (!fio_file_open(f)) { |
b0f65863 JA |
197 | if (td->io_ops->open_file(td, f)) { |
198 | log_err("fio: cannot pre-read, failed to open file\n"); | |
199 | return 1; | |
200 | } | |
201 | did_open = 1; | |
202 | } | |
203 | ||
204 | old_runstate = td->runstate; | |
205 | td_set_runstate(td, TD_PRE_READING); | |
206 | ||
afad68f7 ZY |
207 | bs = td->o.max_bs[DDIR_READ]; |
208 | b = malloc(bs); | |
209 | memset(b, 0, bs); | |
210 | ||
211 | lseek(f->fd, f->file_offset, SEEK_SET); | |
212 | left = f->io_size; | |
213 | ||
214 | while (left && !td->terminate) { | |
215 | if (bs > left) | |
216 | bs = left; | |
217 | ||
218 | r = read(f->fd, b, bs); | |
219 | ||
220 | if (r == (int) bs) { | |
221 | left -= bs; | |
222 | continue; | |
223 | } else { | |
224 | td_verror(td, EIO, "pre_read"); | |
225 | break; | |
226 | } | |
227 | } | |
228 | ||
b0f65863 JA |
229 | td_set_runstate(td, old_runstate); |
230 | ||
231 | if (did_open) | |
232 | td->io_ops->close_file(td, f); | |
afad68f7 ZY |
233 | free(b); |
234 | return 0; | |
235 | } | |
236 | ||
7bb48f84 | 237 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 238 | { |
dc873b6f | 239 | unsigned long long ret, sized; |
1294c3ec | 240 | unsigned long r; |
9c60ce64 | 241 | |
4c07ad86 JA |
242 | if (td->o.use_os_rand) { |
243 | r = os_random_long(&td->file_size_state); | |
244 | sized = td->o.file_size_high - td->o.file_size_low; | |
245 | ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0))); | |
246 | } else { | |
247 | r = __rand(&td->__file_size_state); | |
248 | sized = td->o.file_size_high - td->o.file_size_low; | |
249 | ret = (unsigned long long) ((double) sized * (r / (FRAND_MAX + 1.0))); | |
250 | } | |
251 | ||
5ec10eaa | 252 | ret += td->o.file_size_low; |
2dc1bbeb | 253 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
254 | return ret; |
255 | } | |
256 | ||
53cdc686 JA |
257 | static int file_size(struct thread_data *td, struct fio_file *f) |
258 | { | |
259 | struct stat st; | |
260 | ||
df9c26b1 | 261 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
262 | td_verror(td, errno, "fstat"); |
263 | return 1; | |
264 | } | |
53cdc686 | 265 | |
7bb48f84 | 266 | f->real_file_size = st.st_size; |
53cdc686 JA |
267 | return 0; |
268 | } | |
269 | ||
270 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
271 | { | |
9b836561 | 272 | unsigned long long bytes = 0; |
53cdc686 JA |
273 | int r; |
274 | ||
df9c26b1 JA |
275 | if (td->io_ops->open_file(td, f)) { |
276 | log_err("fio: failed opening blockdev %s for size check\n", | |
277 | f->file_name); | |
278 | return 1; | |
279 | } | |
280 | ||
ecc314ba | 281 | r = blockdev_size(f, &bytes); |
53cdc686 | 282 | if (r) { |
e1161c32 | 283 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 284 | goto err; |
53cdc686 JA |
285 | } |
286 | ||
7ab077ab JA |
287 | if (!bytes) { |
288 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 289 | goto err; |
7ab077ab JA |
290 | } |
291 | ||
53cdc686 | 292 | f->real_file_size = bytes; |
22a57ba8 | 293 | td->io_ops->close_file(td, f); |
53cdc686 | 294 | return 0; |
df9c26b1 JA |
295 | err: |
296 | td->io_ops->close_file(td, f); | |
297 | return 1; | |
53cdc686 JA |
298 | } |
299 | ||
4ccdccd1 JA |
300 | static int char_size(struct thread_data *td, struct fio_file *f) |
301 | { | |
302 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 303 | unsigned long long bytes = 0; |
4ccdccd1 JA |
304 | int r; |
305 | ||
306 | if (td->io_ops->open_file(td, f)) { | |
307 | log_err("fio: failed opening blockdev %s for size check\n", | |
308 | f->file_name); | |
309 | return 1; | |
310 | } | |
311 | ||
ecc314ba | 312 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
313 | if (r) { |
314 | td_verror(td, r, "chardev_size"); | |
315 | goto err; | |
316 | } | |
317 | ||
318 | if (!bytes) { | |
319 | log_err("%s: zero sized char device?\n", f->file_name); | |
320 | goto err; | |
321 | } | |
322 | ||
323 | f->real_file_size = bytes; | |
324 | td->io_ops->close_file(td, f); | |
325 | return 0; | |
326 | err: | |
327 | td->io_ops->close_file(td, f); | |
328 | return 1; | |
329 | #else | |
330 | f->real_file_size = -1ULL; | |
331 | return 0; | |
332 | #endif | |
333 | } | |
334 | ||
53cdc686 JA |
335 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
336 | { | |
337 | int ret = 0; | |
338 | ||
d6aed795 | 339 | if (fio_file_size_known(f)) |
409b3417 JA |
340 | return 0; |
341 | ||
7bb48f84 JA |
342 | if (f->filetype == FIO_TYPE_FILE) |
343 | ret = file_size(td, f); | |
344 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 | 345 | ret = bdev_size(td, f); |
4ccdccd1 JA |
346 | else if (f->filetype == FIO_TYPE_CHAR) |
347 | ret = char_size(td, f); | |
53cdc686 JA |
348 | else |
349 | f->real_file_size = -1; | |
350 | ||
351 | if (ret) | |
352 | return ret; | |
353 | ||
354 | if (f->file_offset > f->real_file_size) { | |
0f2152c1 | 355 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
5ec10eaa | 356 | f->file_offset, f->real_file_size); |
53cdc686 JA |
357 | return 1; |
358 | } | |
359 | ||
d6aed795 | 360 | fio_file_set_size_known(f); |
53cdc686 JA |
361 | return 0; |
362 | } | |
363 | ||
3baddf24 JA |
364 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
365 | unsigned long long off, | |
366 | unsigned long long len) | |
e5b401d4 JA |
367 | { |
368 | int ret = 0; | |
369 | ||
5e0074c2 | 370 | if (len == -1ULL) |
3baddf24 JA |
371 | len = f->io_size; |
372 | if (off == -1ULL) | |
373 | off = f->file_offset; | |
ee56ad50 | 374 | |
0d1cd207 JA |
375 | if (len == -1ULL || off == -1ULL) |
376 | return 0; | |
377 | ||
3baddf24 JA |
378 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
379 | len); | |
b5af8293 | 380 | |
e5b401d4 JA |
381 | /* |
382 | * FIXME: add blockdev flushing too | |
383 | */ | |
a1c58075 | 384 | if (f->mmap_ptr) { |
03e20d68 | 385 | ret = posix_madvise(f->mmap_ptr, f->mmap_sz, POSIX_MADV_DONTNEED); |
a1c58075 | 386 | #ifdef FIO_MADV_FREE |
03e20d68 | 387 | (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE); |
a1c58075 JA |
388 | #endif |
389 | } else if (f->filetype == FIO_TYPE_FILE) { | |
ecc314ba | 390 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
5ec10eaa | 391 | } else if (f->filetype == FIO_TYPE_BD) { |
ecc314ba | 392 | ret = blockdev_invalidate_cache(f); |
7e0e25c9 | 393 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 394 | if (!root_warn) { |
5ec10eaa JA |
395 | log_err("fio: only root may flush block " |
396 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
397 | root_warn = 1; |
398 | } | |
7e0e25c9 JA |
399 | ret = 0; |
400 | } | |
b5605e9d | 401 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
402 | ret = 0; |
403 | ||
404 | if (ret < 0) { | |
e1161c32 | 405 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 | 406 | return 1; |
3baddf24 JA |
407 | } else if (ret > 0) { |
408 | td_verror(td, ret, "invalidate_cache"); | |
409 | return 1; | |
e5b401d4 JA |
410 | } |
411 | ||
ad2da605 | 412 | return ret; |
3baddf24 JA |
413 | |
414 | } | |
415 | ||
416 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
417 | { | |
d6aed795 | 418 | if (!fio_file_open(f)) |
a5fb461f JA |
419 | return 0; |
420 | ||
5e0074c2 | 421 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
422 | } |
423 | ||
6977bcd0 | 424 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 425 | { |
6977bcd0 JA |
426 | int ret = 0; |
427 | ||
ee56ad50 | 428 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
429 | |
430 | remove_file_hash(f); | |
431 | ||
6977bcd0 JA |
432 | if (close(f->fd) < 0) |
433 | ret = errno; | |
434 | ||
b5af8293 | 435 | f->fd = -1; |
6977bcd0 | 436 | return ret; |
53cdc686 JA |
437 | } |
438 | ||
1ccc6dc7 | 439 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 440 | { |
29c1349f | 441 | struct fio_file *__f; |
4d4e80f2 JA |
442 | int from_hash; |
443 | ||
444 | __f = lookup_file_hash(f->file_name); | |
445 | if (__f) { | |
9efef3c4 | 446 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
447 | /* |
448 | * racy, need the __f->lock locked | |
449 | */ | |
450 | f->lock = __f->lock; | |
451 | f->lock_owner = __f->lock_owner; | |
452 | f->lock_batch = __f->lock_batch; | |
453 | f->lock_ddir = __f->lock_ddir; | |
4d4e80f2 JA |
454 | from_hash = 1; |
455 | } else { | |
9efef3c4 | 456 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
457 | from_hash = 0; |
458 | } | |
459 | ||
e8670ef8 | 460 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
461 | return from_hash; |
462 | } | |
463 | ||
464 | int generic_open_file(struct thread_data *td, struct fio_file *f) | |
465 | { | |
66159828 | 466 | int is_std = 0; |
53cdc686 | 467 | int flags = 0; |
29c1349f | 468 | int from_hash = 0; |
53cdc686 | 469 | |
ee56ad50 JA |
470 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
471 | ||
6eaf09d6 SL |
472 | if (td_trim(td) && f->filetype != FIO_TYPE_BD) { |
473 | log_err("fio: trim only applies to block device\n"); | |
474 | return 1; | |
475 | } | |
476 | ||
66159828 JA |
477 | if (!strcmp(f->file_name, "-")) { |
478 | if (td_rw(td)) { | |
479 | log_err("fio: can't read/write to stdin/out\n"); | |
480 | return 1; | |
481 | } | |
482 | is_std = 1; | |
ce98fa66 JA |
483 | |
484 | /* | |
485 | * move output logging to stderr, if we are writing to stdout | |
486 | */ | |
487 | if (td_write(td)) | |
488 | f_out = stderr; | |
66159828 JA |
489 | } |
490 | ||
6eaf09d6 SL |
491 | if (td_trim(td)) |
492 | goto skip_flags; | |
2dc1bbeb | 493 | if (td->o.odirect) |
2fd233b7 | 494 | flags |= OS_O_DIRECT; |
2dc1bbeb | 495 | if (td->o.sync_io) |
2fd233b7 | 496 | flags |= O_SYNC; |
814452bd JA |
497 | if (td->o.create_on_open) |
498 | flags |= O_CREAT; | |
6eaf09d6 SL |
499 | skip_flags: |
500 | if (f->filetype != FIO_TYPE_FILE) | |
501 | flags |= FIO_O_NOATIME; | |
53cdc686 | 502 | |
056f3459 | 503 | open_again: |
660a1cb5 | 504 | if (td_write(td)) { |
17308158 JA |
505 | if (!read_only) |
506 | flags |= O_RDWR; | |
53cdc686 | 507 | |
af52b345 | 508 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 509 | flags |= O_CREAT; |
2fd233b7 | 510 | |
66159828 JA |
511 | if (is_std) |
512 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
513 | else |
514 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 515 | } else if (td_read(td)) { |
4241ea8f | 516 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
517 | flags |= O_RDWR; |
518 | else | |
519 | flags |= O_RDONLY; | |
520 | ||
66159828 JA |
521 | if (is_std) |
522 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
523 | else |
524 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 SL |
525 | } else { //td trim |
526 | flags |= O_RDWR; | |
527 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
528 | } |
529 | ||
530 | if (f->fd == -1) { | |
e4e33258 | 531 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
532 | int __e = errno; |
533 | ||
835d9b9e | 534 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 535 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
536 | goto open_again; |
537 | } | |
538 | ||
e8670ef8 | 539 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
e4e33258 | 540 | |
a93c5f04 JA |
541 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
542 | log_err("fio: looks like your file system does not " \ | |
543 | "support direct=1/buffered=0\n"); | |
544 | } | |
545 | ||
e4e33258 | 546 | td_verror(td, __e, buf); |
53cdc686 JA |
547 | } |
548 | ||
29c1349f JA |
549 | if (!from_hash && f->fd != -1) { |
550 | if (add_file_hash(f)) { | |
3f0ca9b9 | 551 | int fio_unused ret; |
29c1349f JA |
552 | |
553 | /* | |
554 | * OK to ignore, we haven't done anything with it | |
555 | */ | |
556 | ret = generic_close_file(td, f); | |
557 | goto open_again; | |
558 | } | |
559 | } | |
4906e0b5 | 560 | |
53cdc686 | 561 | return 0; |
b5af8293 JA |
562 | } |
563 | ||
df9c26b1 | 564 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 565 | { |
df9c26b1 | 566 | return get_file_size(td, f); |
21972cde JA |
567 | } |
568 | ||
7bb48f84 JA |
569 | /* |
570 | * open/close all files, so that ->real_file_size gets set | |
571 | */ | |
bab3fd58 | 572 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
573 | { |
574 | struct fio_file *f; | |
575 | unsigned int i; | |
bab3fd58 | 576 | int err = 0; |
7bb48f84 JA |
577 | |
578 | for_each_file(td, f, i) { | |
5ec10eaa JA |
579 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
580 | f->file_name); | |
9efef3c4 | 581 | |
99a47c69 | 582 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
583 | if (td->error != ENOENT) { |
584 | log_err("%s\n", td->verror); | |
585 | err = 1; | |
586 | } | |
541d66d7 | 587 | clear_error(td); |
07eb79df | 588 | } |
409b3417 JA |
589 | |
590 | if (f->real_file_size == -1ULL && td->o.size) | |
591 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 592 | } |
bab3fd58 JA |
593 | |
594 | return err; | |
7bb48f84 JA |
595 | } |
596 | ||
2e3bd4c2 JA |
597 | struct fio_mount { |
598 | struct flist_head list; | |
599 | const char *base; | |
600 | char __base[256]; | |
601 | unsigned int key; | |
602 | }; | |
603 | ||
604 | /* | |
605 | * Get free number of bytes for each file on each unique mount. | |
606 | */ | |
607 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
608 | { | |
609 | struct flist_head *n, *tmp; | |
68b0316f | 610 | unsigned long long ret = 0; |
2e3bd4c2 JA |
611 | struct fio_mount *fm; |
612 | FLIST_HEAD(list); | |
613 | struct fio_file *f; | |
614 | unsigned int i; | |
615 | ||
616 | for_each_file(td, f, i) { | |
617 | struct stat sb; | |
618 | char buf[256]; | |
619 | ||
4ccdccd1 JA |
620 | if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) { |
621 | if (f->real_file_size != -1ULL) | |
622 | ret += f->real_file_size; | |
68b0316f JA |
623 | continue; |
624 | } else if (f->filetype != FIO_TYPE_FILE) | |
625 | continue; | |
626 | ||
2e3bd4c2 JA |
627 | strcpy(buf, f->file_name); |
628 | ||
629 | if (stat(buf, &sb) < 0) { | |
630 | if (errno != ENOENT) | |
631 | break; | |
632 | strcpy(buf, "."); | |
633 | if (stat(buf, &sb) < 0) | |
634 | break; | |
635 | } | |
636 | ||
637 | fm = NULL; | |
638 | flist_for_each(n, &list) { | |
639 | fm = flist_entry(n, struct fio_mount, list); | |
640 | if (fm->key == sb.st_dev) | |
641 | break; | |
642 | ||
643 | fm = NULL; | |
644 | } | |
645 | ||
646 | if (fm) | |
647 | continue; | |
648 | ||
649 | fm = malloc(sizeof(*fm)); | |
650 | strcpy(fm->__base, buf); | |
651 | fm->base = basename(fm->__base); | |
652 | fm->key = sb.st_dev; | |
653 | flist_add(&fm->list, &list); | |
654 | } | |
655 | ||
2e3bd4c2 JA |
656 | flist_for_each_safe(n, tmp, &list) { |
657 | unsigned long long sz; | |
658 | ||
659 | fm = flist_entry(n, struct fio_mount, list); | |
660 | flist_del(&fm->list); | |
661 | ||
662 | sz = get_fs_size(fm->base); | |
663 | if (sz && sz != -1ULL) | |
664 | ret += sz; | |
665 | ||
666 | free(fm); | |
667 | } | |
668 | ||
669 | return ret; | |
670 | } | |
671 | ||
ce95d651 DE |
672 | unsigned long long get_start_offset(struct thread_data *td) |
673 | { | |
674 | return td->o.start_offset + | |
675 | (td->thread_number - 1) * td->o.offset_increment; | |
676 | } | |
677 | ||
7bb48f84 JA |
678 | /* |
679 | * Open the files and setup files sizes, creating files if necessary. | |
680 | */ | |
53cdc686 JA |
681 | int setup_files(struct thread_data *td) |
682 | { | |
7bb48f84 | 683 | unsigned long long total_size, extend_size; |
53cdc686 | 684 | struct fio_file *f; |
af52b345 | 685 | unsigned int i; |
000b0803 | 686 | int err = 0, need_extend; |
53cdc686 | 687 | |
ee56ad50 JA |
688 | dprint(FD_FILE, "setup files\n"); |
689 | ||
691c8fb0 | 690 | if (td->o.read_iolog_file) |
25460cf6 | 691 | goto done; |
691c8fb0 | 692 | |
53cdc686 JA |
693 | /* |
694 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
695 | * opening the files and setting f->real_file_size to indicate |
696 | * the valid range for that file. | |
53cdc686 JA |
697 | */ |
698 | if (td->io_ops->setup) | |
7bb48f84 JA |
699 | err = td->io_ops->setup(td); |
700 | else | |
bab3fd58 | 701 | err = get_file_sizes(td); |
53cdc686 | 702 | |
f1027063 JA |
703 | if (err) |
704 | return err; | |
705 | ||
0a7eb121 | 706 | /* |
7bb48f84 JA |
707 | * check sizes. if the files/devices do not exist and the size |
708 | * isn't passed to fio, abort. | |
0a7eb121 | 709 | */ |
7bb48f84 JA |
710 | total_size = 0; |
711 | for_each_file(td, f, i) { | |
712 | if (f->real_file_size == -1ULL) | |
713 | total_size = -1ULL; | |
714 | else | |
715 | total_size += f->real_file_size; | |
716 | } | |
0a7eb121 | 717 | |
2e3bd4c2 JA |
718 | if (td->o.fill_device) |
719 | td->fill_device_size = get_fs_free_counts(td); | |
720 | ||
7bb48f84 JA |
721 | /* |
722 | * device/file sizes are zero and no size given, punt | |
723 | */ | |
1f809d15 | 724 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
aa31f1f1 | 725 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
7bb48f84 | 726 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 727 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
728 | return 1; |
729 | } | |
730 | ||
7bb48f84 JA |
731 | /* |
732 | * now file sizes are known, so we can set ->io_size. if size= is | |
733 | * not given, ->io_size is just equal to ->real_file_size. if size | |
734 | * is given, ->io_size is size / nr_files. | |
735 | */ | |
736 | extend_size = total_size = 0; | |
737 | need_extend = 0; | |
738 | for_each_file(td, f, i) { | |
ce95d651 | 739 | f->file_offset = get_start_offset(td); |
bcdedd0a | 740 | |
7bb48f84 JA |
741 | if (!td->o.file_size_low) { |
742 | /* | |
743 | * no file size range given, file size is equal to | |
744 | * total size divided by number of files. if that is | |
745 | * zero, set it to the real file size. | |
746 | */ | |
747 | f->io_size = td->o.size / td->o.nr_files; | |
65bdb10a | 748 | if (!f->io_size) |
273f8c91 | 749 | f->io_size = f->real_file_size - f->file_offset; |
7bb48f84 JA |
750 | } else if (f->real_file_size < td->o.file_size_low || |
751 | f->real_file_size > td->o.file_size_high) { | |
5ec10eaa | 752 | if (f->file_offset > td->o.file_size_low) |
bcdedd0a | 753 | goto err_offset; |
7bb48f84 JA |
754 | /* |
755 | * file size given. if it's fixed, use that. if it's a | |
756 | * range, generate a random size in-between. | |
757 | */ | |
5ec10eaa JA |
758 | if (td->o.file_size_low == td->o.file_size_high) { |
759 | f->io_size = td->o.file_size_low | |
760 | - f->file_offset; | |
761 | } else { | |
762 | f->io_size = get_rand_file_size(td) | |
763 | - f->file_offset; | |
764 | } | |
65bdb10a | 765 | } else |
bcdedd0a | 766 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 767 | |
7bb48f84 JA |
768 | if (f->io_size == -1ULL) |
769 | total_size = -1ULL; | |
4d002569 SL |
770 | else { |
771 | if (td->o.size_percent) | |
772 | f->io_size = (f->io_size * td->o.size_percent) / 100; | |
7bb48f84 | 773 | total_size += f->io_size; |
4d002569 | 774 | } |
7bb48f84 JA |
775 | |
776 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 777 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 | 778 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
814452bd JA |
779 | if (!td->o.create_on_open) { |
780 | need_extend++; | |
781 | extend_size += (f->io_size + f->file_offset); | |
782 | } else | |
783 | f->real_file_size = f->io_size + f->file_offset; | |
d6aed795 | 784 | fio_file_set_extend(f); |
5ec10eaa | 785 | } |
7bb48f84 | 786 | } |
53cdc686 | 787 | |
2298290e | 788 | if (!td->o.size || td->o.size > total_size) |
7bb48f84 | 789 | td->o.size = total_size; |
21972cde | 790 | |
7bb48f84 JA |
791 | /* |
792 | * See if we need to extend some files | |
793 | */ | |
794 | if (need_extend) { | |
795 | temp_stall_ts = 1; | |
f3afa57e | 796 | if (output_format == FIO_OUTPUT_NORMAL) |
a7ba8c5f | 797 | log_info("%s: Laying out IO file(s) (%u file(s) /" |
0f2152c1 | 798 | " %lluMB)\n", td->o.name, need_extend, |
a7ba8c5f | 799 | extend_size >> 20); |
7bb48f84 JA |
800 | |
801 | for_each_file(td, f, i) { | |
5e0074c2 | 802 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 803 | |
d6aed795 | 804 | if (!fio_file_extend(f)) |
7bb48f84 JA |
805 | continue; |
806 | ||
409b3417 | 807 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 808 | fio_file_clear_extend(f); |
5e0074c2 JA |
809 | if (!td->o.fill_device) { |
810 | old_len = f->real_file_size; | |
0b9d69ec JA |
811 | extend_len = f->io_size + f->file_offset - |
812 | old_len; | |
5e0074c2 | 813 | } |
bcdedd0a | 814 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
815 | err = extend_file(td, f); |
816 | if (err) | |
3baddf24 | 817 | break; |
5e0074c2 | 818 | |
3baddf24 JA |
819 | err = __file_invalidate_cache(td, f, old_len, |
820 | extend_len); | |
821 | close(f->fd); | |
822 | f->fd = -1; | |
823 | if (err) | |
7bb48f84 JA |
824 | break; |
825 | } | |
826 | temp_stall_ts = 0; | |
827 | } | |
828 | ||
829 | if (err) | |
830 | return err; | |
831 | ||
832 | if (!td->o.zone_size) | |
833 | td->o.zone_size = td->o.size; | |
834 | ||
ea966f81 JA |
835 | /* |
836 | * iolog already set the total io size, if we read back | |
837 | * stored entries. | |
838 | */ | |
839 | if (!td->o.read_iolog_file) | |
840 | td->total_io_size = td->o.size * td->o.loops; | |
25460cf6 JA |
841 | |
842 | done: | |
843 | if (td->o.create_only) | |
844 | td->done = 1; | |
845 | ||
7bb48f84 | 846 | return 0; |
bcdedd0a YHJT |
847 | err_offset: |
848 | log_err("%s: you need to specify valid offset=\n", td->o.name); | |
849 | return 1; | |
53cdc686 JA |
850 | } |
851 | ||
afad68f7 ZY |
852 | int pre_read_files(struct thread_data *td) |
853 | { | |
854 | struct fio_file *f; | |
855 | unsigned int i; | |
856 | ||
857 | dprint(FD_FILE, "pre_read files\n"); | |
858 | ||
859 | for_each_file(td, f, i) { | |
860 | pre_read_file(td, f); | |
861 | } | |
862 | ||
863 | return 1; | |
864 | } | |
865 | ||
9c6f6316 JA |
866 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
867 | { | |
2316296a | 868 | unsigned int range_size, seed; |
9c6f6316 JA |
869 | unsigned long nranges; |
870 | ||
871 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
872 | ||
873 | nranges = (f->real_file_size + range_size - 1) / range_size; | |
874 | ||
2316296a | 875 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
876 | if (!td->o.rand_repeatable) |
877 | seed = td->rand_seeds[4]; | |
878 | ||
9c6f6316 | 879 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
2316296a | 880 | zipf_init(&f->zipf, nranges, td->o.zipf_theta, seed); |
9c6f6316 | 881 | else |
2316296a | 882 | pareto_init(&f->zipf, nranges, td->o.pareto_h, seed); |
9c6f6316 JA |
883 | |
884 | return 1; | |
885 | } | |
886 | ||
887 | static int init_rand_distribution(struct thread_data *td) | |
888 | { | |
889 | struct fio_file *f; | |
890 | unsigned int i; | |
891 | int state; | |
892 | ||
893 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
894 | return 0; | |
895 | ||
896 | state = td->runstate; | |
897 | td_set_runstate(td, TD_SETTING_UP); | |
898 | for_each_file(td, f, i) | |
899 | __init_rand_distribution(td, f); | |
900 | td_set_runstate(td, state); | |
901 | ||
902 | return 1; | |
903 | } | |
904 | ||
68727076 JA |
905 | int init_random_map(struct thread_data *td) |
906 | { | |
509eab12 | 907 | unsigned long long blocks, num_maps; |
68727076 JA |
908 | struct fio_file *f; |
909 | unsigned int i; | |
910 | ||
9c6f6316 JA |
911 | if (init_rand_distribution(td)) |
912 | return 0; | |
de8dd119 | 913 | if (td->o.norandommap || !td_random(td)) |
68727076 JA |
914 | return 0; |
915 | ||
916 | for_each_file(td, f, i) { | |
5ec10eaa JA |
917 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / |
918 | (unsigned long long) td->o.rw_min_bs; | |
919 | num_maps = (blocks + BLOCKS_PER_MAP - 1) / | |
920 | (unsigned long long) BLOCKS_PER_MAP; | |
ceadd59e JA |
921 | if (num_maps == (unsigned long) num_maps) { |
922 | f->file_map = smalloc(num_maps * sizeof(unsigned long)); | |
923 | if (f->file_map) { | |
924 | f->num_maps = num_maps; | |
925 | continue; | |
926 | } | |
927 | } else | |
928 | f->file_map = NULL; | |
929 | ||
2b386d25 | 930 | if (!td->o.softrandommap) { |
5ec10eaa JA |
931 | log_err("fio: failed allocating random map. If running" |
932 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
933 | " option or set 'softrandommap'. Or give" |
934 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
935 | return 1; |
936 | } | |
303032ae JA |
937 | |
938 | log_info("fio: file %s failed allocating random map. Running " | |
939 | "job without.\n", f->file_name); | |
940 | f->num_maps = 0; | |
68727076 JA |
941 | } |
942 | ||
943 | return 0; | |
944 | } | |
945 | ||
53cdc686 JA |
946 | void close_files(struct thread_data *td) |
947 | { | |
0ab8db89 | 948 | struct fio_file *f; |
af52b345 | 949 | unsigned int i; |
53cdc686 | 950 | |
2be3eec3 JA |
951 | for_each_file(td, f, i) { |
952 | if (fio_file_open(f)) | |
953 | td_io_close_file(td, f); | |
954 | } | |
24ffd2c2 JA |
955 | } |
956 | ||
957 | void close_and_free_files(struct thread_data *td) | |
958 | { | |
959 | struct fio_file *f; | |
960 | unsigned int i; | |
961 | ||
ee56ad50 JA |
962 | dprint(FD_FILE, "close files\n"); |
963 | ||
0ab8db89 | 964 | for_each_file(td, f, i) { |
ffdfabd4 JA |
965 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
966 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
132ad46d | 967 | unlink(f->file_name); |
ffdfabd4 | 968 | } |
bdb4e2e9 | 969 | |
22a57ba8 JA |
970 | if (fio_file_open(f)) |
971 | td_io_close_file(td, f); | |
972 | ||
b9fbcf21 | 973 | remove_file_hash(f); |
b3dc7f07 | 974 | |
f17c4392 | 975 | sfree(f->file_name); |
fa1da865 | 976 | f->file_name = NULL; |
61eb313e JA |
977 | sfree(f->file_map); |
978 | f->file_map = NULL; | |
78d99e6a | 979 | sfree(f); |
53cdc686 | 980 | } |
b4a6a59a | 981 | |
2dc1bbeb | 982 | td->o.filename = NULL; |
cade3ef4 | 983 | free(td->files); |
9efef3c4 | 984 | td->files_index = 0; |
b4a6a59a | 985 | td->files = NULL; |
2dc1bbeb | 986 | td->o.nr_files = 0; |
53cdc686 | 987 | } |
af52b345 | 988 | |
e3bab463 | 989 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
990 | { |
991 | struct stat sb; | |
992 | ||
66159828 JA |
993 | if (!strcmp(f->file_name, "-")) |
994 | f->filetype = FIO_TYPE_PIPE; | |
995 | else | |
996 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 997 | |
3892182a BC |
998 | /* \\.\ is the device namespace in Windows, where every file is |
999 | * a block device */ | |
1000 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
1001 | f->filetype = FIO_TYPE_BD; | |
1002 | ||
b30d395e | 1003 | if (!stat(f->file_name, &sb)) { |
3892182a | 1004 | if (S_ISBLK(sb.st_mode)) |
af52b345 JA |
1005 | f->filetype = FIO_TYPE_BD; |
1006 | else if (S_ISCHR(sb.st_mode)) | |
1007 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1008 | else if (S_ISFIFO(sb.st_mode)) |
1009 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1010 | } |
1011 | } | |
1012 | ||
f29b25a3 | 1013 | int add_file(struct thread_data *td, const char *fname) |
af52b345 | 1014 | { |
7b4e4fe5 | 1015 | int cur_files = td->files_index; |
bd0ee748 | 1016 | char file_name[PATH_MAX]; |
af52b345 | 1017 | struct fio_file *f; |
bd0ee748 | 1018 | int len = 0; |
af52b345 | 1019 | |
ee56ad50 JA |
1020 | dprint(FD_FILE, "add file %s\n", fname); |
1021 | ||
f17c4392 | 1022 | f = smalloc(sizeof(*f)); |
c48c0be7 JA |
1023 | if (!f) { |
1024 | log_err("fio: smalloc OOM\n"); | |
1025 | assert(0); | |
1026 | } | |
0b9d69ec | 1027 | |
af52b345 | 1028 | f->fd = -1; |
38dad62d | 1029 | fio_file_reset(f); |
bd0ee748 | 1030 | |
fc99bc0d | 1031 | if (td->files_size <= td->files_index) { |
4b341fca | 1032 | int new_size = td->o.nr_files + 1; |
126d65c6 | 1033 | |
fc99bc0d JA |
1034 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1035 | ||
1036 | td->files = realloc(td->files, new_size * sizeof(f)); | |
fc99bc0d JA |
1037 | td->files_size = new_size; |
1038 | } | |
8bb7679e | 1039 | td->files[cur_files] = f; |
89ac1d48 | 1040 | f->fileno = cur_files; |
126d65c6 | 1041 | |
07eb79df JA |
1042 | /* |
1043 | * init function, io engine may not be loaded yet | |
1044 | */ | |
1045 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
1046 | f->real_file_size = -1ULL; | |
1047 | ||
bd0ee748 JA |
1048 | if (td->o.directory) |
1049 | len = sprintf(file_name, "%s/", td->o.directory); | |
1050 | ||
1051 | sprintf(file_name + len, "%s", fname); | |
f17c4392 | 1052 | f->file_name = smalloc_strdup(file_name); |
c48c0be7 JA |
1053 | if (!f->file_name) { |
1054 | log_err("fio: smalloc OOM\n"); | |
1055 | assert(0); | |
1056 | } | |
0b9d69ec | 1057 | |
e3bab463 | 1058 | get_file_type(f); |
af52b345 | 1059 | |
4d4e80f2 JA |
1060 | switch (td->o.file_lock_mode) { |
1061 | case FILE_LOCK_NONE: | |
1062 | break; | |
1063 | case FILE_LOCK_READWRITE: | |
1064 | f->lock = fio_mutex_rw_init(); | |
1065 | break; | |
1066 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1067 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1068 | break; |
1069 | default: | |
1070 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1071 | assert(0); | |
1072 | } | |
29c1349f | 1073 | |
7b4e4fe5 | 1074 | td->files_index++; |
1549441c JA |
1075 | if (f->filetype == FIO_TYPE_FILE) |
1076 | td->nr_normal_files++; | |
f29b25a3 | 1077 | |
5ec10eaa JA |
1078 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1079 | cur_files); | |
9efef3c4 | 1080 | |
f29b25a3 | 1081 | return cur_files; |
af52b345 | 1082 | } |
0ad920e7 | 1083 | |
49ffb4a2 JA |
1084 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1085 | { | |
1086 | struct fio_file *f; | |
1087 | unsigned int i; | |
1088 | ||
1089 | for_each_file(td, f, i) { | |
1090 | if (!strcmp(f->file_name, fname)) | |
1091 | return i; | |
1092 | } | |
1093 | ||
1094 | return add_file(td, fname); | |
1095 | } | |
1096 | ||
0ad920e7 JA |
1097 | void get_file(struct fio_file *f) |
1098 | { | |
8172fe97 | 1099 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1100 | assert(fio_file_open(f)); |
0ad920e7 JA |
1101 | f->references++; |
1102 | } | |
1103 | ||
6977bcd0 | 1104 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1105 | { |
98e1ac4e | 1106 | int f_ret = 0, ret = 0; |
6977bcd0 | 1107 | |
8172fe97 | 1108 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1109 | |
22a57ba8 JA |
1110 | if (!fio_file_open(f)) { |
1111 | assert(f->fd == -1); | |
6977bcd0 | 1112 | return 0; |
22a57ba8 | 1113 | } |
0ad920e7 JA |
1114 | |
1115 | assert(f->references); | |
1116 | if (--f->references) | |
6977bcd0 | 1117 | return 0; |
0ad920e7 | 1118 | |
d424d4dd | 1119 | if (should_fsync(td) && td->o.fsync_on_close) |
98e1ac4e | 1120 | f_ret = fsync(f->fd); |
ebb1415f | 1121 | |
0ad920e7 | 1122 | if (td->io_ops->close_file) |
6977bcd0 | 1123 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1124 | |
98e1ac4e | 1125 | if (!ret) |
a5fb461f | 1126 | ret = f_ret; |
98e1ac4e | 1127 | |
0ad920e7 | 1128 | td->nr_open_files--; |
d6aed795 | 1129 | fio_file_clear_open(f); |
22a57ba8 | 1130 | assert(f->fd == -1); |
6977bcd0 | 1131 | return ret; |
0ad920e7 | 1132 | } |
bbf6b540 | 1133 | |
4d4e80f2 | 1134 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1135 | { |
4d4e80f2 JA |
1136 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1137 | return; | |
29c1349f | 1138 | |
4d4e80f2 JA |
1139 | if (f->lock_owner == td && f->lock_batch--) |
1140 | return; | |
1141 | ||
1142 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
1143 | if (ddir == DDIR_READ) | |
1144 | fio_mutex_down_read(f->lock); | |
1145 | else | |
1146 | fio_mutex_down_write(f->lock); | |
1147 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
1148 | fio_mutex_down(f->lock); | |
1149 | ||
1150 | f->lock_owner = td; | |
1151 | f->lock_batch = td->o.lockfile_batch; | |
1152 | f->lock_ddir = ddir; | |
b2bd2bd9 JA |
1153 | } |
1154 | ||
4d4e80f2 | 1155 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1156 | { |
4d4e80f2 JA |
1157 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1158 | return; | |
1159 | if (f->lock_batch) | |
1160 | return; | |
1161 | ||
1162 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
1163 | const int is_read = f->lock_ddir == DDIR_READ; | |
1164 | int val = fio_mutex_getval(f->lock); | |
29c1349f | 1165 | |
4d4e80f2 JA |
1166 | if ((is_read && val == 1) || (!is_read && val == -1)) |
1167 | f->lock_owner = NULL; | |
29c1349f | 1168 | |
4d4e80f2 JA |
1169 | if (is_read) |
1170 | fio_mutex_up_read(f->lock); | |
1171 | else | |
1172 | fio_mutex_up_write(f->lock); | |
1173 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) { | |
1174 | int val = fio_mutex_getval(f->lock); | |
1175 | ||
1176 | if (val == 0) | |
1177 | f->lock_owner = NULL; | |
1178 | ||
1179 | fio_mutex_up(f->lock); | |
29c1349f | 1180 | } |
b2bd2bd9 JA |
1181 | } |
1182 | ||
4d4e80f2 JA |
1183 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1184 | { | |
1185 | if (f->lock_owner != td) | |
1186 | return; | |
1187 | ||
1188 | f->lock_batch = 0; | |
1189 | unlock_file(td, f); | |
1190 | } | |
1191 | ||
bbf6b540 JA |
1192 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1193 | { | |
1194 | struct dirent *dir; | |
1195 | int ret = 0; | |
1196 | DIR *D; | |
1197 | ||
1198 | D = opendir(dirname); | |
1199 | if (!D) { | |
0ddb270c JA |
1200 | char buf[FIO_VERROR_SIZE]; |
1201 | ||
1202 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
1203 | td_verror(td, errno, buf); | |
bbf6b540 JA |
1204 | return 1; |
1205 | } | |
1206 | ||
1207 | while ((dir = readdir(D)) != NULL) { | |
1208 | char full_path[PATH_MAX]; | |
1209 | struct stat sb; | |
1210 | ||
e85b2b83 JA |
1211 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1212 | continue; | |
96d32d51 | 1213 | |
b9fd788f | 1214 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1215 | |
1216 | if (lstat(full_path, &sb) == -1) { | |
1217 | if (errno != ENOENT) { | |
1218 | td_verror(td, errno, "stat"); | |
1219 | return 1; | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | if (S_ISREG(sb.st_mode)) { | |
1224 | add_file(td, full_path); | |
2dc1bbeb | 1225 | td->o.nr_files++; |
bbf6b540 JA |
1226 | continue; |
1227 | } | |
0ddb270c JA |
1228 | if (!S_ISDIR(sb.st_mode)) |
1229 | continue; | |
bbf6b540 | 1230 | |
5ec10eaa JA |
1231 | ret = recurse_dir(td, full_path); |
1232 | if (ret) | |
bbf6b540 JA |
1233 | break; |
1234 | } | |
1235 | ||
1236 | closedir(D); | |
1237 | return ret; | |
1238 | } | |
1239 | ||
1240 | int add_dir_files(struct thread_data *td, const char *path) | |
1241 | { | |
0ddb270c JA |
1242 | int ret = recurse_dir(td, path); |
1243 | ||
1244 | if (!ret) | |
1245 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1246 | ||
1247 | return ret; | |
bbf6b540 | 1248 | } |
cade3ef4 JA |
1249 | |
1250 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1251 | { | |
1252 | struct fio_file *f; | |
1253 | unsigned int i; | |
9efef3c4 JA |
1254 | |
1255 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1256 | |
1257 | if (!org->files) | |
1258 | return; | |
1259 | ||
9efef3c4 | 1260 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1261 | |
9efef3c4 | 1262 | for_each_file(org, f, i) { |
b0fe421a JA |
1263 | struct fio_file *__f; |
1264 | ||
f17c4392 | 1265 | __f = smalloc(sizeof(*__f)); |
c48c0be7 JA |
1266 | if (!__f) { |
1267 | log_err("fio: smalloc OOM\n"); | |
1268 | assert(0); | |
1269 | } | |
22a57ba8 | 1270 | __f->fd = -1; |
38dad62d | 1271 | fio_file_reset(__f); |
0b9d69ec | 1272 | |
bc3456fa | 1273 | if (f->file_name) { |
f17c4392 | 1274 | __f->file_name = smalloc_strdup(f->file_name); |
c48c0be7 JA |
1275 | if (!__f->file_name) { |
1276 | log_err("fio: smalloc OOM\n"); | |
1277 | assert(0); | |
1278 | } | |
0b9d69ec | 1279 | |
bc3456fa AC |
1280 | __f->filetype = f->filetype; |
1281 | } | |
b0fe421a JA |
1282 | |
1283 | td->files[i] = __f; | |
cade3ef4 JA |
1284 | } |
1285 | } | |
f29b25a3 JA |
1286 | |
1287 | /* | |
1288 | * Returns the index that matches the filename, or -1 if not there | |
1289 | */ | |
1290 | int get_fileno(struct thread_data *td, const char *fname) | |
1291 | { | |
1292 | struct fio_file *f; | |
1293 | unsigned int i; | |
1294 | ||
1295 | for_each_file(td, f, i) | |
1296 | if (!strcmp(f->file_name, fname)) | |
1297 | return i; | |
1298 | ||
1299 | return -1; | |
1300 | } | |
1301 | ||
1302 | /* | |
1303 | * For log usage, where we add/open/close files automatically | |
1304 | */ | |
1305 | void free_release_files(struct thread_data *td) | |
1306 | { | |
1307 | close_files(td); | |
1308 | td->files_index = 0; | |
1309 | td->nr_normal_files = 0; | |
1310 | } |