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" |
7ebd796f | 16 | #include "lib/axmap.h" |
53cdc686 | 17 | |
97ac992c | 18 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
19 | #include <linux/falloc.h> |
20 | #endif | |
21 | ||
7172cfe8 JA |
22 | static int root_warn; |
23 | ||
c592b9fe JA |
24 | static inline void clear_error(struct thread_data *td) |
25 | { | |
26 | td->error = 0; | |
27 | td->verror[0] = '\0'; | |
28 | } | |
29 | ||
3baddf24 JA |
30 | /* |
31 | * Leaves f->fd open on success, caller must close | |
32 | */ | |
7bb48f84 | 33 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 34 | { |
ea443657 | 35 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
36 | unsigned long long left; |
37 | unsigned int bs; | |
38 | char *b; | |
b2a15192 | 39 | |
4241ea8f JA |
40 | if (read_only) { |
41 | log_err("fio: refusing extend of file due to read-only\n"); | |
42 | return 0; | |
43 | } | |
44 | ||
507a702f JA |
45 | /* |
46 | * check if we need to lay the file out complete again. fio | |
47 | * does that for operations involving reads, or for writes | |
48 | * where overwrite is set | |
49 | */ | |
ffdfabd4 JA |
50 | if (td_read(td) || (td_write(td) && td->o.overwrite) || |
51 | (td_write(td) && td->io_ops->flags & FIO_NOEXTEND)) | |
507a702f | 52 | new_layout = 1; |
ea443657 JA |
53 | if (td_write(td) && !td->o.overwrite) |
54 | unlink_file = 1; | |
507a702f | 55 | |
6ae1f57f | 56 | if (unlink_file || new_layout) { |
bd199f2b | 57 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
982016d6 | 58 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
7bb48f84 JA |
59 | td_verror(td, errno, "unlink"); |
60 | return 1; | |
61 | } | |
62 | } | |
63 | ||
507a702f JA |
64 | flags = O_WRONLY | O_CREAT; |
65 | if (new_layout) | |
66 | flags |= O_TRUNC; | |
67 | ||
ee56ad50 | 68 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 69 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 70 | if (f->fd < 0) { |
e1161c32 | 71 | td_verror(td, errno, "open"); |
53cdc686 JA |
72 | return 1; |
73 | } | |
74 | ||
97ac992c | 75 | #ifdef CONFIG_POSIX_FALLOCATE |
a596f047 EG |
76 | if (!td->o.fill_device) { |
77 | switch (td->o.fallocate_mode) { | |
78 | case FIO_FALLOCATE_NONE: | |
79 | break; | |
80 | case FIO_FALLOCATE_POSIX: | |
81 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
4b91ee8f JA |
82 | f->file_name, |
83 | (unsigned long long) f->real_file_size); | |
a596f047 EG |
84 | |
85 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
86 | if (r > 0) { | |
87 | log_err("fio: posix_fallocate fails: %s\n", | |
88 | strerror(r)); | |
89 | } | |
90 | break; | |
97ac992c | 91 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
92 | case FIO_FALLOCATE_KEEP_SIZE: |
93 | dprint(FD_FILE, | |
94 | "fallocate(FALLOC_FL_KEEP_SIZE) " | |
4b91ee8f JA |
95 | "file %s size %llu\n", f->file_name, |
96 | (unsigned long long) f->real_file_size); | |
7bc8c2cf | 97 | |
a596f047 EG |
98 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, |
99 | f->real_file_size); | |
888677a4 | 100 | if (r != 0) |
a596f047 | 101 | td_verror(td, errno, "fallocate"); |
888677a4 | 102 | |
a596f047 | 103 | break; |
97ac992c | 104 | #endif /* CONFIG_LINUX_FALLOCATE */ |
a596f047 EG |
105 | default: |
106 | log_err("fio: unknown fallocate mode: %d\n", | |
107 | td->o.fallocate_mode); | |
108 | assert(0); | |
7bc8c2cf JA |
109 | } |
110 | } | |
97ac992c | 111 | #endif /* CONFIG_POSIX_FALLOCATE */ |
9b836561 | 112 | |
fc74ac1d SL |
113 | if (!new_layout) |
114 | goto done; | |
115 | ||
5e0074c2 JA |
116 | /* |
117 | * The size will be -1ULL when fill_device is used, so don't truncate | |
118 | * or fallocate this file, just write it | |
119 | */ | |
120 | if (!td->o.fill_device) { | |
121 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 122 | (unsigned long long) f->real_file_size); |
5e0074c2 JA |
123 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
124 | td_verror(td, errno, "ftruncate"); | |
125 | goto err; | |
126 | } | |
5e0074c2 | 127 | } |
40f8298c | 128 | |
2dc1bbeb JA |
129 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
130 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 131 | |
7bb48f84 | 132 | left = f->real_file_size; |
53cdc686 | 133 | while (left && !td->terminate) { |
2dc1bbeb | 134 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
135 | if (bs > left) |
136 | bs = left; | |
137 | ||
138 | r = write(f->fd, b, bs); | |
139 | ||
5e0074c2 JA |
140 | if (r > 0) { |
141 | left -= r; | |
53cdc686 JA |
142 | continue; |
143 | } else { | |
5e0074c2 JA |
144 | if (r < 0) { |
145 | int __e = errno; | |
146 | ||
147 | if (__e == ENOSPC) { | |
148 | if (td->o.fill_device) | |
149 | break; | |
150 | log_info("fio: ENOSPC on laying out " | |
151 | "file, stopping\n"); | |
152 | break; | |
153 | } | |
e1161c32 | 154 | td_verror(td, errno, "write"); |
5e0074c2 | 155 | } else |
e1161c32 | 156 | td_verror(td, EIO, "write"); |
53cdc686 JA |
157 | |
158 | break; | |
159 | } | |
160 | } | |
161 | ||
ffdfabd4 JA |
162 | if (td->terminate) { |
163 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
53cdc686 | 164 | unlink(f->file_name); |
ffdfabd4 | 165 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
166 | if (fsync(f->fd) < 0) { |
167 | td_verror(td, errno, "fsync"); | |
168 | goto err; | |
169 | } | |
170 | } | |
0d1cd207 | 171 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 172 | fio_file_clear_size_known(f); |
5e0074c2 JA |
173 | if (td_io_get_file_size(td, f)) |
174 | goto err; | |
175 | if (f->io_size > f->real_file_size) | |
176 | f->io_size = f->real_file_size; | |
177 | } | |
53cdc686 JA |
178 | |
179 | free(b); | |
507a702f | 180 | done: |
53cdc686 JA |
181 | return 0; |
182 | err: | |
183 | close(f->fd); | |
184 | f->fd = -1; | |
185 | return 1; | |
186 | } | |
187 | ||
afad68f7 ZY |
188 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
189 | { | |
b0f65863 | 190 | int r, did_open = 0, old_runstate; |
afad68f7 ZY |
191 | unsigned long long left; |
192 | unsigned int bs; | |
193 | char *b; | |
194 | ||
9c0d2241 JA |
195 | if (td->io_ops->flags & FIO_PIPEIO) |
196 | return 0; | |
197 | ||
d6aed795 | 198 | if (!fio_file_open(f)) { |
b0f65863 JA |
199 | if (td->io_ops->open_file(td, f)) { |
200 | log_err("fio: cannot pre-read, failed to open file\n"); | |
201 | return 1; | |
202 | } | |
203 | did_open = 1; | |
204 | } | |
205 | ||
206 | old_runstate = td->runstate; | |
207 | td_set_runstate(td, TD_PRE_READING); | |
208 | ||
afad68f7 ZY |
209 | bs = td->o.max_bs[DDIR_READ]; |
210 | b = malloc(bs); | |
211 | memset(b, 0, bs); | |
212 | ||
213 | lseek(f->fd, f->file_offset, SEEK_SET); | |
214 | left = f->io_size; | |
215 | ||
216 | while (left && !td->terminate) { | |
217 | if (bs > left) | |
218 | bs = left; | |
219 | ||
220 | r = read(f->fd, b, bs); | |
221 | ||
222 | if (r == (int) bs) { | |
223 | left -= bs; | |
224 | continue; | |
225 | } else { | |
226 | td_verror(td, EIO, "pre_read"); | |
227 | break; | |
228 | } | |
229 | } | |
230 | ||
b0f65863 JA |
231 | td_set_runstate(td, old_runstate); |
232 | ||
233 | if (did_open) | |
234 | td->io_ops->close_file(td, f); | |
afad68f7 ZY |
235 | free(b); |
236 | return 0; | |
237 | } | |
238 | ||
7bb48f84 | 239 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 240 | { |
dc873b6f | 241 | unsigned long long ret, sized; |
1294c3ec | 242 | unsigned long r; |
9c60ce64 | 243 | |
4c07ad86 JA |
244 | if (td->o.use_os_rand) { |
245 | r = os_random_long(&td->file_size_state); | |
246 | sized = td->o.file_size_high - td->o.file_size_low; | |
247 | ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0))); | |
248 | } else { | |
249 | r = __rand(&td->__file_size_state); | |
250 | sized = td->o.file_size_high - td->o.file_size_low; | |
251 | ret = (unsigned long long) ((double) sized * (r / (FRAND_MAX + 1.0))); | |
252 | } | |
253 | ||
5ec10eaa | 254 | ret += td->o.file_size_low; |
2dc1bbeb | 255 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
256 | return ret; |
257 | } | |
258 | ||
53cdc686 JA |
259 | static int file_size(struct thread_data *td, struct fio_file *f) |
260 | { | |
261 | struct stat st; | |
262 | ||
df9c26b1 | 263 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
264 | td_verror(td, errno, "fstat"); |
265 | return 1; | |
266 | } | |
53cdc686 | 267 | |
7bb48f84 | 268 | f->real_file_size = st.st_size; |
53cdc686 JA |
269 | return 0; |
270 | } | |
271 | ||
272 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
273 | { | |
9b836561 | 274 | unsigned long long bytes = 0; |
53cdc686 JA |
275 | int r; |
276 | ||
df9c26b1 JA |
277 | if (td->io_ops->open_file(td, f)) { |
278 | log_err("fio: failed opening blockdev %s for size check\n", | |
279 | f->file_name); | |
280 | return 1; | |
281 | } | |
282 | ||
ecc314ba | 283 | r = blockdev_size(f, &bytes); |
53cdc686 | 284 | if (r) { |
e1161c32 | 285 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 286 | goto err; |
53cdc686 JA |
287 | } |
288 | ||
7ab077ab JA |
289 | if (!bytes) { |
290 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 291 | goto err; |
7ab077ab JA |
292 | } |
293 | ||
53cdc686 | 294 | f->real_file_size = bytes; |
22a57ba8 | 295 | td->io_ops->close_file(td, f); |
53cdc686 | 296 | return 0; |
df9c26b1 JA |
297 | err: |
298 | td->io_ops->close_file(td, f); | |
299 | return 1; | |
53cdc686 JA |
300 | } |
301 | ||
4ccdccd1 JA |
302 | static int char_size(struct thread_data *td, struct fio_file *f) |
303 | { | |
304 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 305 | unsigned long long bytes = 0; |
4ccdccd1 JA |
306 | int r; |
307 | ||
308 | if (td->io_ops->open_file(td, f)) { | |
309 | log_err("fio: failed opening blockdev %s for size check\n", | |
310 | f->file_name); | |
311 | return 1; | |
312 | } | |
313 | ||
ecc314ba | 314 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
315 | if (r) { |
316 | td_verror(td, r, "chardev_size"); | |
317 | goto err; | |
318 | } | |
319 | ||
320 | if (!bytes) { | |
321 | log_err("%s: zero sized char device?\n", f->file_name); | |
322 | goto err; | |
323 | } | |
324 | ||
325 | f->real_file_size = bytes; | |
326 | td->io_ops->close_file(td, f); | |
327 | return 0; | |
328 | err: | |
329 | td->io_ops->close_file(td, f); | |
330 | return 1; | |
331 | #else | |
332 | f->real_file_size = -1ULL; | |
333 | return 0; | |
334 | #endif | |
335 | } | |
336 | ||
53cdc686 JA |
337 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
338 | { | |
339 | int ret = 0; | |
340 | ||
d6aed795 | 341 | if (fio_file_size_known(f)) |
409b3417 JA |
342 | return 0; |
343 | ||
7bb48f84 JA |
344 | if (f->filetype == FIO_TYPE_FILE) |
345 | ret = file_size(td, f); | |
346 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 | 347 | ret = bdev_size(td, f); |
4ccdccd1 JA |
348 | else if (f->filetype == FIO_TYPE_CHAR) |
349 | ret = char_size(td, f); | |
53cdc686 JA |
350 | else |
351 | f->real_file_size = -1; | |
352 | ||
353 | if (ret) | |
354 | return ret; | |
355 | ||
356 | if (f->file_offset > f->real_file_size) { | |
0f2152c1 | 357 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
358 | (unsigned long long) f->file_offset, |
359 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
360 | return 1; |
361 | } | |
362 | ||
d6aed795 | 363 | fio_file_set_size_known(f); |
53cdc686 JA |
364 | return 0; |
365 | } | |
366 | ||
3baddf24 JA |
367 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
368 | unsigned long long off, | |
369 | unsigned long long len) | |
e5b401d4 JA |
370 | { |
371 | int ret = 0; | |
372 | ||
5e0074c2 | 373 | if (len == -1ULL) |
3baddf24 JA |
374 | len = f->io_size; |
375 | if (off == -1ULL) | |
376 | off = f->file_offset; | |
ee56ad50 | 377 | |
0d1cd207 JA |
378 | if (len == -1ULL || off == -1ULL) |
379 | return 0; | |
380 | ||
3baddf24 JA |
381 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
382 | len); | |
b5af8293 | 383 | |
e5b401d4 JA |
384 | /* |
385 | * FIXME: add blockdev flushing too | |
386 | */ | |
a1c58075 | 387 | if (f->mmap_ptr) { |
03e20d68 | 388 | ret = posix_madvise(f->mmap_ptr, f->mmap_sz, POSIX_MADV_DONTNEED); |
a1c58075 | 389 | #ifdef FIO_MADV_FREE |
03e20d68 | 390 | (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE); |
a1c58075 JA |
391 | #endif |
392 | } else if (f->filetype == FIO_TYPE_FILE) { | |
ecc314ba | 393 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
5ec10eaa | 394 | } else if (f->filetype == FIO_TYPE_BD) { |
ecc314ba | 395 | ret = blockdev_invalidate_cache(f); |
7e0e25c9 | 396 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 397 | if (!root_warn) { |
5ec10eaa JA |
398 | log_err("fio: only root may flush block " |
399 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
400 | root_warn = 1; |
401 | } | |
7e0e25c9 JA |
402 | ret = 0; |
403 | } | |
b5605e9d | 404 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
405 | ret = 0; |
406 | ||
407 | if (ret < 0) { | |
e1161c32 | 408 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 | 409 | return 1; |
3baddf24 JA |
410 | } else if (ret > 0) { |
411 | td_verror(td, ret, "invalidate_cache"); | |
412 | return 1; | |
e5b401d4 JA |
413 | } |
414 | ||
ad2da605 | 415 | return ret; |
3baddf24 JA |
416 | |
417 | } | |
418 | ||
419 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
420 | { | |
d6aed795 | 421 | if (!fio_file_open(f)) |
a5fb461f JA |
422 | return 0; |
423 | ||
5e0074c2 | 424 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
425 | } |
426 | ||
6977bcd0 | 427 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 428 | { |
6977bcd0 JA |
429 | int ret = 0; |
430 | ||
ee56ad50 | 431 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
432 | |
433 | remove_file_hash(f); | |
434 | ||
6977bcd0 JA |
435 | if (close(f->fd) < 0) |
436 | ret = errno; | |
437 | ||
b5af8293 | 438 | f->fd = -1; |
e6c4d732 JA |
439 | |
440 | if (f->shadow_fd != -1) { | |
441 | close(f->shadow_fd); | |
442 | f->shadow_fd = -1; | |
443 | } | |
444 | ||
6977bcd0 | 445 | return ret; |
53cdc686 JA |
446 | } |
447 | ||
1ccc6dc7 | 448 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 449 | { |
29c1349f | 450 | struct fio_file *__f; |
4d4e80f2 JA |
451 | int from_hash; |
452 | ||
453 | __f = lookup_file_hash(f->file_name); | |
454 | if (__f) { | |
9efef3c4 | 455 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
456 | /* |
457 | * racy, need the __f->lock locked | |
458 | */ | |
459 | f->lock = __f->lock; | |
4d4e80f2 JA |
460 | from_hash = 1; |
461 | } else { | |
9efef3c4 | 462 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
463 | from_hash = 0; |
464 | } | |
465 | ||
e8670ef8 | 466 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
467 | return from_hash; |
468 | } | |
469 | ||
e6c4d732 JA |
470 | static int file_close_shadow_fds(struct thread_data *td) |
471 | { | |
472 | struct fio_file *f; | |
473 | int num_closed = 0; | |
474 | unsigned int i; | |
475 | ||
476 | for_each_file(td, f, i) { | |
477 | if (f->shadow_fd == -1) | |
478 | continue; | |
479 | ||
480 | close(f->shadow_fd); | |
481 | f->shadow_fd = -1; | |
482 | num_closed++; | |
483 | } | |
484 | ||
485 | return num_closed; | |
486 | } | |
487 | ||
4d4e80f2 JA |
488 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
489 | { | |
66159828 | 490 | int is_std = 0; |
53cdc686 | 491 | int flags = 0; |
29c1349f | 492 | int from_hash = 0; |
53cdc686 | 493 | |
ee56ad50 JA |
494 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
495 | ||
6eaf09d6 SL |
496 | if (td_trim(td) && f->filetype != FIO_TYPE_BD) { |
497 | log_err("fio: trim only applies to block device\n"); | |
498 | return 1; | |
499 | } | |
500 | ||
66159828 JA |
501 | if (!strcmp(f->file_name, "-")) { |
502 | if (td_rw(td)) { | |
503 | log_err("fio: can't read/write to stdin/out\n"); | |
504 | return 1; | |
505 | } | |
506 | is_std = 1; | |
ce98fa66 JA |
507 | |
508 | /* | |
509 | * move output logging to stderr, if we are writing to stdout | |
510 | */ | |
511 | if (td_write(td)) | |
512 | f_out = stderr; | |
66159828 JA |
513 | } |
514 | ||
6eaf09d6 SL |
515 | if (td_trim(td)) |
516 | goto skip_flags; | |
2dc1bbeb | 517 | if (td->o.odirect) |
2fd233b7 | 518 | flags |= OS_O_DIRECT; |
2dc1bbeb | 519 | if (td->o.sync_io) |
2fd233b7 | 520 | flags |= O_SYNC; |
814452bd JA |
521 | if (td->o.create_on_open) |
522 | flags |= O_CREAT; | |
6eaf09d6 SL |
523 | skip_flags: |
524 | if (f->filetype != FIO_TYPE_FILE) | |
525 | flags |= FIO_O_NOATIME; | |
53cdc686 | 526 | |
056f3459 | 527 | open_again: |
660a1cb5 | 528 | if (td_write(td)) { |
17308158 JA |
529 | if (!read_only) |
530 | flags |= O_RDWR; | |
53cdc686 | 531 | |
af52b345 | 532 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 533 | flags |= O_CREAT; |
2fd233b7 | 534 | |
66159828 JA |
535 | if (is_std) |
536 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
537 | else |
538 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 539 | } else if (td_read(td)) { |
4241ea8f | 540 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
541 | flags |= O_RDWR; |
542 | else | |
543 | flags |= O_RDONLY; | |
544 | ||
66159828 JA |
545 | if (is_std) |
546 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
547 | else |
548 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 SL |
549 | } else { //td trim |
550 | flags |= O_RDWR; | |
551 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
552 | } |
553 | ||
554 | if (f->fd == -1) { | |
e4e33258 | 555 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
556 | int __e = errno; |
557 | ||
835d9b9e | 558 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 559 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
560 | goto open_again; |
561 | } | |
e6c4d732 JA |
562 | if (__e == EMFILE && file_close_shadow_fds(td)) |
563 | goto open_again; | |
056f3459 | 564 | |
98ffb8f3 | 565 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 566 | |
a93c5f04 JA |
567 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
568 | log_err("fio: looks like your file system does not " \ | |
569 | "support direct=1/buffered=0\n"); | |
570 | } | |
571 | ||
e4e33258 | 572 | td_verror(td, __e, buf); |
53cdc686 JA |
573 | } |
574 | ||
29c1349f JA |
575 | if (!from_hash && f->fd != -1) { |
576 | if (add_file_hash(f)) { | |
3f0ca9b9 | 577 | int fio_unused ret; |
29c1349f JA |
578 | |
579 | /* | |
e6c4d732 JA |
580 | * Stash away descriptor for later close. This is to |
581 | * work-around a "feature" on Linux, where a close of | |
582 | * an fd that has been opened for write will trigger | |
583 | * udev to call blkid to check partitions, fs id, etc. | |
584 | * That polutes the device cache, which can slow down | |
585 | * unbuffered accesses. | |
29c1349f | 586 | */ |
e6c4d732 JA |
587 | if (f->shadow_fd == -1) |
588 | f->shadow_fd = f->fd; | |
589 | else { | |
590 | /* | |
591 | * OK to ignore, we haven't done anything | |
592 | * with it | |
593 | */ | |
594 | ret = generic_close_file(td, f); | |
595 | } | |
29c1349f JA |
596 | goto open_again; |
597 | } | |
598 | } | |
4906e0b5 | 599 | |
53cdc686 | 600 | return 0; |
b5af8293 JA |
601 | } |
602 | ||
df9c26b1 | 603 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 604 | { |
df9c26b1 | 605 | return get_file_size(td, f); |
21972cde JA |
606 | } |
607 | ||
7bb48f84 JA |
608 | /* |
609 | * open/close all files, so that ->real_file_size gets set | |
610 | */ | |
bab3fd58 | 611 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
612 | { |
613 | struct fio_file *f; | |
614 | unsigned int i; | |
bab3fd58 | 615 | int err = 0; |
7bb48f84 JA |
616 | |
617 | for_each_file(td, f, i) { | |
5ec10eaa JA |
618 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
619 | f->file_name); | |
9efef3c4 | 620 | |
99a47c69 | 621 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
622 | if (td->error != ENOENT) { |
623 | log_err("%s\n", td->verror); | |
624 | err = 1; | |
625 | } | |
541d66d7 | 626 | clear_error(td); |
07eb79df | 627 | } |
409b3417 JA |
628 | |
629 | if (f->real_file_size == -1ULL && td->o.size) | |
630 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 631 | } |
bab3fd58 JA |
632 | |
633 | return err; | |
7bb48f84 JA |
634 | } |
635 | ||
2e3bd4c2 JA |
636 | struct fio_mount { |
637 | struct flist_head list; | |
638 | const char *base; | |
639 | char __base[256]; | |
640 | unsigned int key; | |
641 | }; | |
642 | ||
643 | /* | |
644 | * Get free number of bytes for each file on each unique mount. | |
645 | */ | |
646 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
647 | { | |
648 | struct flist_head *n, *tmp; | |
68b0316f | 649 | unsigned long long ret = 0; |
2e3bd4c2 JA |
650 | struct fio_mount *fm; |
651 | FLIST_HEAD(list); | |
652 | struct fio_file *f; | |
653 | unsigned int i; | |
654 | ||
655 | for_each_file(td, f, i) { | |
656 | struct stat sb; | |
657 | char buf[256]; | |
658 | ||
4ccdccd1 JA |
659 | if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) { |
660 | if (f->real_file_size != -1ULL) | |
661 | ret += f->real_file_size; | |
68b0316f JA |
662 | continue; |
663 | } else if (f->filetype != FIO_TYPE_FILE) | |
664 | continue; | |
665 | ||
2e3bd4c2 JA |
666 | strcpy(buf, f->file_name); |
667 | ||
668 | if (stat(buf, &sb) < 0) { | |
669 | if (errno != ENOENT) | |
670 | break; | |
671 | strcpy(buf, "."); | |
672 | if (stat(buf, &sb) < 0) | |
673 | break; | |
674 | } | |
675 | ||
676 | fm = NULL; | |
677 | flist_for_each(n, &list) { | |
678 | fm = flist_entry(n, struct fio_mount, list); | |
679 | if (fm->key == sb.st_dev) | |
680 | break; | |
681 | ||
682 | fm = NULL; | |
683 | } | |
684 | ||
685 | if (fm) | |
686 | continue; | |
687 | ||
688 | fm = malloc(sizeof(*fm)); | |
689 | strcpy(fm->__base, buf); | |
690 | fm->base = basename(fm->__base); | |
691 | fm->key = sb.st_dev; | |
692 | flist_add(&fm->list, &list); | |
693 | } | |
694 | ||
2e3bd4c2 JA |
695 | flist_for_each_safe(n, tmp, &list) { |
696 | unsigned long long sz; | |
697 | ||
698 | fm = flist_entry(n, struct fio_mount, list); | |
699 | flist_del(&fm->list); | |
700 | ||
701 | sz = get_fs_size(fm->base); | |
702 | if (sz && sz != -1ULL) | |
703 | ret += sz; | |
704 | ||
705 | free(fm); | |
706 | } | |
707 | ||
708 | return ret; | |
709 | } | |
710 | ||
293b8c1f | 711 | uint64_t get_start_offset(struct thread_data *td) |
ce95d651 DE |
712 | { |
713 | return td->o.start_offset + | |
714 | (td->thread_number - 1) * td->o.offset_increment; | |
715 | } | |
716 | ||
7bb48f84 JA |
717 | /* |
718 | * Open the files and setup files sizes, creating files if necessary. | |
719 | */ | |
53cdc686 JA |
720 | int setup_files(struct thread_data *td) |
721 | { | |
7bb48f84 | 722 | unsigned long long total_size, extend_size; |
de98bd30 | 723 | struct thread_options *o = &td->o; |
53cdc686 | 724 | struct fio_file *f; |
af52b345 | 725 | unsigned int i; |
000b0803 | 726 | int err = 0, need_extend; |
e90391eb | 727 | int old_state; |
53cdc686 | 728 | |
ee56ad50 JA |
729 | dprint(FD_FILE, "setup files\n"); |
730 | ||
e90391eb JA |
731 | old_state = td->runstate; |
732 | td_set_runstate(td, TD_SETTING_UP); | |
733 | ||
de98bd30 | 734 | if (o->read_iolog_file) |
25460cf6 | 735 | goto done; |
691c8fb0 | 736 | |
53cdc686 JA |
737 | /* |
738 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
739 | * opening the files and setting f->real_file_size to indicate |
740 | * the valid range for that file. | |
53cdc686 JA |
741 | */ |
742 | if (td->io_ops->setup) | |
7bb48f84 JA |
743 | err = td->io_ops->setup(td); |
744 | else | |
bab3fd58 | 745 | err = get_file_sizes(td); |
53cdc686 | 746 | |
f1027063 | 747 | if (err) |
e90391eb | 748 | goto err_out; |
f1027063 | 749 | |
0a7eb121 | 750 | /* |
7bb48f84 JA |
751 | * check sizes. if the files/devices do not exist and the size |
752 | * isn't passed to fio, abort. | |
0a7eb121 | 753 | */ |
7bb48f84 JA |
754 | total_size = 0; |
755 | for_each_file(td, f, i) { | |
756 | if (f->real_file_size == -1ULL) | |
757 | total_size = -1ULL; | |
758 | else | |
759 | total_size += f->real_file_size; | |
760 | } | |
0a7eb121 | 761 | |
de98bd30 | 762 | if (o->fill_device) |
2e3bd4c2 JA |
763 | td->fill_device_size = get_fs_free_counts(td); |
764 | ||
7bb48f84 JA |
765 | /* |
766 | * device/file sizes are zero and no size given, punt | |
767 | */ | |
de98bd30 JA |
768 | if ((!total_size || total_size == -1ULL) && !o->size && |
769 | !(td->io_ops->flags & FIO_NOIO) && !o->fill_device && | |
770 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { | |
771 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 772 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 773 | goto err_out; |
53cdc686 JA |
774 | } |
775 | ||
7bb48f84 JA |
776 | /* |
777 | * now file sizes are known, so we can set ->io_size. if size= is | |
778 | * not given, ->io_size is just equal to ->real_file_size. if size | |
779 | * is given, ->io_size is size / nr_files. | |
780 | */ | |
781 | extend_size = total_size = 0; | |
782 | need_extend = 0; | |
783 | for_each_file(td, f, i) { | |
ce95d651 | 784 | f->file_offset = get_start_offset(td); |
bcdedd0a | 785 | |
de98bd30 | 786 | if (!o->file_size_low) { |
7bb48f84 JA |
787 | /* |
788 | * no file size range given, file size is equal to | |
789 | * total size divided by number of files. if that is | |
790 | * zero, set it to the real file size. | |
791 | */ | |
de98bd30 | 792 | f->io_size = o->size / o->nr_files; |
65bdb10a | 793 | if (!f->io_size) |
273f8c91 | 794 | f->io_size = f->real_file_size - f->file_offset; |
de98bd30 JA |
795 | } else if (f->real_file_size < o->file_size_low || |
796 | f->real_file_size > o->file_size_high) { | |
797 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 798 | goto err_offset; |
7bb48f84 JA |
799 | /* |
800 | * file size given. if it's fixed, use that. if it's a | |
801 | * range, generate a random size in-between. | |
802 | */ | |
de98bd30 JA |
803 | if (o->file_size_low == o->file_size_high) |
804 | f->io_size = o->file_size_low - f->file_offset; | |
805 | else { | |
5ec10eaa JA |
806 | f->io_size = get_rand_file_size(td) |
807 | - f->file_offset; | |
808 | } | |
65bdb10a | 809 | } else |
bcdedd0a | 810 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 811 | |
7bb48f84 JA |
812 | if (f->io_size == -1ULL) |
813 | total_size = -1ULL; | |
4d002569 | 814 | else { |
de98bd30 JA |
815 | if (o->size_percent) |
816 | f->io_size = (f->io_size * o->size_percent) / 100; | |
7bb48f84 | 817 | total_size += f->io_size; |
4d002569 | 818 | } |
7bb48f84 JA |
819 | |
820 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 821 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 | 822 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
de98bd30 | 823 | if (!o->create_on_open) { |
814452bd JA |
824 | need_extend++; |
825 | extend_size += (f->io_size + f->file_offset); | |
826 | } else | |
827 | f->real_file_size = f->io_size + f->file_offset; | |
d6aed795 | 828 | fio_file_set_extend(f); |
5ec10eaa | 829 | } |
7bb48f84 | 830 | } |
53cdc686 | 831 | |
de98bd30 JA |
832 | if (!o->size || o->size > total_size) |
833 | o->size = total_size; | |
21972cde | 834 | |
7bb48f84 JA |
835 | /* |
836 | * See if we need to extend some files | |
837 | */ | |
838 | if (need_extend) { | |
839 | temp_stall_ts = 1; | |
f3afa57e | 840 | if (output_format == FIO_OUTPUT_NORMAL) |
a7ba8c5f | 841 | log_info("%s: Laying out IO file(s) (%u file(s) /" |
de98bd30 | 842 | " %lluMB)\n", o->name, need_extend, |
a7ba8c5f | 843 | extend_size >> 20); |
7bb48f84 JA |
844 | |
845 | for_each_file(td, f, i) { | |
5e0074c2 | 846 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 847 | |
d6aed795 | 848 | if (!fio_file_extend(f)) |
7bb48f84 JA |
849 | continue; |
850 | ||
409b3417 | 851 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 852 | fio_file_clear_extend(f); |
de98bd30 | 853 | if (!o->fill_device) { |
5e0074c2 | 854 | old_len = f->real_file_size; |
0b9d69ec JA |
855 | extend_len = f->io_size + f->file_offset - |
856 | old_len; | |
5e0074c2 | 857 | } |
bcdedd0a | 858 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
859 | err = extend_file(td, f); |
860 | if (err) | |
3baddf24 | 861 | break; |
5e0074c2 | 862 | |
3baddf24 JA |
863 | err = __file_invalidate_cache(td, f, old_len, |
864 | extend_len); | |
865 | close(f->fd); | |
866 | f->fd = -1; | |
867 | if (err) | |
7bb48f84 JA |
868 | break; |
869 | } | |
870 | temp_stall_ts = 0; | |
871 | } | |
872 | ||
873 | if (err) | |
e90391eb | 874 | goto err_out; |
7bb48f84 | 875 | |
de98bd30 JA |
876 | if (!o->zone_size) |
877 | o->zone_size = o->size; | |
7bb48f84 | 878 | |
ea966f81 JA |
879 | /* |
880 | * iolog already set the total io size, if we read back | |
881 | * stored entries. | |
882 | */ | |
de98bd30 JA |
883 | if (!o->read_iolog_file) |
884 | td->total_io_size = o->size * o->loops; | |
25460cf6 JA |
885 | |
886 | done: | |
de98bd30 | 887 | if (o->create_only) |
25460cf6 JA |
888 | td->done = 1; |
889 | ||
e90391eb | 890 | td_set_runstate(td, old_state); |
7bb48f84 | 891 | return 0; |
bcdedd0a | 892 | err_offset: |
de98bd30 | 893 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb JA |
894 | err_out: |
895 | td_set_runstate(td, old_state); | |
bcdedd0a | 896 | return 1; |
53cdc686 JA |
897 | } |
898 | ||
afad68f7 ZY |
899 | int pre_read_files(struct thread_data *td) |
900 | { | |
901 | struct fio_file *f; | |
902 | unsigned int i; | |
903 | ||
904 | dprint(FD_FILE, "pre_read files\n"); | |
905 | ||
906 | for_each_file(td, f, i) { | |
907 | pre_read_file(td, f); | |
908 | } | |
909 | ||
910 | return 1; | |
911 | } | |
912 | ||
9c6f6316 JA |
913 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
914 | { | |
2316296a | 915 | unsigned int range_size, seed; |
9c6f6316 | 916 | unsigned long nranges; |
21415db9 | 917 | uint64_t file_size; |
9c6f6316 JA |
918 | |
919 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
21415db9 | 920 | file_size = min(f->real_file_size, f->io_size); |
9c6f6316 | 921 | |
21415db9 | 922 | nranges = (file_size + range_size - 1) / range_size; |
9c6f6316 | 923 | |
2316296a | 924 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
925 | if (!td->o.rand_repeatable) |
926 | seed = td->rand_seeds[4]; | |
927 | ||
9c6f6316 | 928 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 929 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
9c6f6316 | 930 | else |
888677a4 | 931 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
9c6f6316 JA |
932 | |
933 | return 1; | |
934 | } | |
935 | ||
936 | static int init_rand_distribution(struct thread_data *td) | |
937 | { | |
938 | struct fio_file *f; | |
939 | unsigned int i; | |
940 | int state; | |
941 | ||
942 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
943 | return 0; | |
944 | ||
945 | state = td->runstate; | |
946 | td_set_runstate(td, TD_SETTING_UP); | |
947 | for_each_file(td, f, i) | |
948 | __init_rand_distribution(td, f); | |
949 | td_set_runstate(td, state); | |
950 | ||
951 | return 1; | |
952 | } | |
953 | ||
68727076 JA |
954 | int init_random_map(struct thread_data *td) |
955 | { | |
51ede0b1 | 956 | unsigned long long blocks; |
68727076 JA |
957 | struct fio_file *f; |
958 | unsigned int i; | |
959 | ||
9c6f6316 JA |
960 | if (init_rand_distribution(td)) |
961 | return 0; | |
3831a843 | 962 | if (!td_random(td)) |
68727076 JA |
963 | return 0; |
964 | ||
965 | for_each_file(td, f, i) { | |
38f30c81 JA |
966 | uint64_t file_size = min(f->real_file_size, f->io_size); |
967 | ||
53737ae0 JA |
968 | blocks = file_size / (unsigned long long) td->o.rw_min_bs; |
969 | ||
8055e41d | 970 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
971 | unsigned long seed; |
972 | ||
973 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
974 | ||
d474cbc9 | 975 | if (!lfsr_init(&f->lfsr, blocks, seed, seed & 0xF)) |
8055e41d | 976 | continue; |
3831a843 | 977 | } else if (!td->o.norandommap) { |
7ebd796f JA |
978 | f->io_axmap = axmap_new(blocks); |
979 | if (f->io_axmap) | |
8055e41d | 980 | continue; |
1cad7121 JA |
981 | } else if (td->o.norandommap) |
982 | continue; | |
ceadd59e | 983 | |
2b386d25 | 984 | if (!td->o.softrandommap) { |
5ec10eaa JA |
985 | log_err("fio: failed allocating random map. If running" |
986 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
987 | " option or set 'softrandommap'. Or give" |
988 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
989 | return 1; |
990 | } | |
303032ae JA |
991 | |
992 | log_info("fio: file %s failed allocating random map. Running " | |
993 | "job without.\n", f->file_name); | |
68727076 JA |
994 | } |
995 | ||
996 | return 0; | |
997 | } | |
998 | ||
53cdc686 JA |
999 | void close_files(struct thread_data *td) |
1000 | { | |
0ab8db89 | 1001 | struct fio_file *f; |
af52b345 | 1002 | unsigned int i; |
53cdc686 | 1003 | |
2be3eec3 JA |
1004 | for_each_file(td, f, i) { |
1005 | if (fio_file_open(f)) | |
1006 | td_io_close_file(td, f); | |
1007 | } | |
24ffd2c2 JA |
1008 | } |
1009 | ||
1010 | void close_and_free_files(struct thread_data *td) | |
1011 | { | |
1012 | struct fio_file *f; | |
1013 | unsigned int i; | |
1014 | ||
ee56ad50 JA |
1015 | dprint(FD_FILE, "close files\n"); |
1016 | ||
0ab8db89 | 1017 | for_each_file(td, f, i) { |
ffdfabd4 JA |
1018 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1019 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
132ad46d | 1020 | unlink(f->file_name); |
ffdfabd4 | 1021 | } |
bdb4e2e9 | 1022 | |
22a57ba8 JA |
1023 | if (fio_file_open(f)) |
1024 | td_io_close_file(td, f); | |
1025 | ||
b9fbcf21 | 1026 | remove_file_hash(f); |
b3dc7f07 | 1027 | |
f17c4392 | 1028 | sfree(f->file_name); |
fa1da865 | 1029 | f->file_name = NULL; |
7ebd796f JA |
1030 | axmap_free(f->io_axmap); |
1031 | f->io_axmap = NULL; | |
78d99e6a | 1032 | sfree(f); |
53cdc686 | 1033 | } |
b4a6a59a | 1034 | |
2dc1bbeb | 1035 | td->o.filename = NULL; |
cade3ef4 | 1036 | free(td->files); |
d7df1d13 | 1037 | free(td->file_locks); |
9efef3c4 | 1038 | td->files_index = 0; |
b4a6a59a | 1039 | td->files = NULL; |
d7df1d13 | 1040 | td->file_locks = NULL; |
2dc1bbeb | 1041 | td->o.nr_files = 0; |
53cdc686 | 1042 | } |
af52b345 | 1043 | |
e3bab463 | 1044 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1045 | { |
1046 | struct stat sb; | |
1047 | ||
66159828 JA |
1048 | if (!strcmp(f->file_name, "-")) |
1049 | f->filetype = FIO_TYPE_PIPE; | |
1050 | else | |
1051 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1052 | |
3892182a BC |
1053 | /* \\.\ is the device namespace in Windows, where every file is |
1054 | * a block device */ | |
1055 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
1056 | f->filetype = FIO_TYPE_BD; | |
1057 | ||
b30d395e | 1058 | if (!stat(f->file_name, &sb)) { |
3892182a | 1059 | if (S_ISBLK(sb.st_mode)) |
af52b345 JA |
1060 | f->filetype = FIO_TYPE_BD; |
1061 | else if (S_ISCHR(sb.st_mode)) | |
1062 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1063 | else if (S_ISFIFO(sb.st_mode)) |
1064 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1065 | } |
1066 | } | |
1067 | ||
f29b25a3 | 1068 | int add_file(struct thread_data *td, const char *fname) |
af52b345 | 1069 | { |
7b4e4fe5 | 1070 | int cur_files = td->files_index; |
bd0ee748 | 1071 | char file_name[PATH_MAX]; |
af52b345 | 1072 | struct fio_file *f; |
bd0ee748 | 1073 | int len = 0; |
af52b345 | 1074 | |
ee56ad50 JA |
1075 | dprint(FD_FILE, "add file %s\n", fname); |
1076 | ||
f17c4392 | 1077 | f = smalloc(sizeof(*f)); |
c48c0be7 JA |
1078 | if (!f) { |
1079 | log_err("fio: smalloc OOM\n"); | |
1080 | assert(0); | |
1081 | } | |
0b9d69ec | 1082 | |
af52b345 | 1083 | f->fd = -1; |
e6c4d732 | 1084 | f->shadow_fd = -1; |
33c48814 | 1085 | fio_file_reset(td, f); |
bd0ee748 | 1086 | |
fc99bc0d | 1087 | if (td->files_size <= td->files_index) { |
1983e327 | 1088 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1089 | |
fc99bc0d JA |
1090 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1091 | ||
1092 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1093 | if (td->files == NULL) { |
1094 | log_err("fio: realloc OOM\n"); | |
1095 | assert(0); | |
1096 | } | |
d7df1d13 JA |
1097 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1098 | td->file_locks = realloc(td->file_locks, new_size); | |
1099 | if (!td->file_locks) { | |
1100 | log_err("fio: realloc OOM\n"); | |
1101 | assert(0); | |
1102 | } | |
1103 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1104 | } | |
fc99bc0d JA |
1105 | td->files_size = new_size; |
1106 | } | |
8bb7679e | 1107 | td->files[cur_files] = f; |
89ac1d48 | 1108 | f->fileno = cur_files; |
126d65c6 | 1109 | |
07eb79df JA |
1110 | /* |
1111 | * init function, io engine may not be loaded yet | |
1112 | */ | |
1113 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
1114 | f->real_file_size = -1ULL; | |
1115 | ||
bd0ee748 JA |
1116 | if (td->o.directory) |
1117 | len = sprintf(file_name, "%s/", td->o.directory); | |
1118 | ||
1119 | sprintf(file_name + len, "%s", fname); | |
f17c4392 | 1120 | f->file_name = smalloc_strdup(file_name); |
c48c0be7 JA |
1121 | if (!f->file_name) { |
1122 | log_err("fio: smalloc OOM\n"); | |
1123 | assert(0); | |
1124 | } | |
0b9d69ec | 1125 | |
e3bab463 | 1126 | get_file_type(f); |
af52b345 | 1127 | |
4d4e80f2 JA |
1128 | switch (td->o.file_lock_mode) { |
1129 | case FILE_LOCK_NONE: | |
1130 | break; | |
1131 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1132 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1133 | break; |
1134 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1135 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1136 | break; |
1137 | default: | |
1138 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1139 | assert(0); | |
1140 | } | |
29c1349f | 1141 | |
7b4e4fe5 | 1142 | td->files_index++; |
1549441c JA |
1143 | if (f->filetype == FIO_TYPE_FILE) |
1144 | td->nr_normal_files++; | |
f29b25a3 | 1145 | |
5ec10eaa JA |
1146 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1147 | cur_files); | |
9efef3c4 | 1148 | |
f29b25a3 | 1149 | return cur_files; |
af52b345 | 1150 | } |
0ad920e7 | 1151 | |
49ffb4a2 JA |
1152 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1153 | { | |
1154 | struct fio_file *f; | |
1155 | unsigned int i; | |
1156 | ||
1157 | for_each_file(td, f, i) { | |
1158 | if (!strcmp(f->file_name, fname)) | |
1159 | return i; | |
1160 | } | |
1161 | ||
1162 | return add_file(td, fname); | |
1163 | } | |
1164 | ||
0ad920e7 JA |
1165 | void get_file(struct fio_file *f) |
1166 | { | |
8172fe97 | 1167 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1168 | assert(fio_file_open(f)); |
0ad920e7 JA |
1169 | f->references++; |
1170 | } | |
1171 | ||
6977bcd0 | 1172 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1173 | { |
98e1ac4e | 1174 | int f_ret = 0, ret = 0; |
6977bcd0 | 1175 | |
8172fe97 | 1176 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1177 | |
22a57ba8 JA |
1178 | if (!fio_file_open(f)) { |
1179 | assert(f->fd == -1); | |
6977bcd0 | 1180 | return 0; |
22a57ba8 | 1181 | } |
0ad920e7 JA |
1182 | |
1183 | assert(f->references); | |
1184 | if (--f->references) | |
6977bcd0 | 1185 | return 0; |
0ad920e7 | 1186 | |
d424d4dd | 1187 | if (should_fsync(td) && td->o.fsync_on_close) |
98e1ac4e | 1188 | f_ret = fsync(f->fd); |
ebb1415f | 1189 | |
0ad920e7 | 1190 | if (td->io_ops->close_file) |
6977bcd0 | 1191 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1192 | |
98e1ac4e | 1193 | if (!ret) |
a5fb461f | 1194 | ret = f_ret; |
98e1ac4e | 1195 | |
0ad920e7 | 1196 | td->nr_open_files--; |
d6aed795 | 1197 | fio_file_clear_open(f); |
22a57ba8 | 1198 | assert(f->fd == -1); |
6977bcd0 | 1199 | return ret; |
0ad920e7 | 1200 | } |
bbf6b540 | 1201 | |
4d4e80f2 | 1202 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1203 | { |
4d4e80f2 JA |
1204 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1205 | return; | |
29c1349f | 1206 | |
4d4e80f2 JA |
1207 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1208 | if (ddir == DDIR_READ) | |
d7df1d13 | 1209 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1210 | else |
d7df1d13 | 1211 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1212 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1213 | fio_mutex_down(f->lock); | |
1214 | ||
d7df1d13 | 1215 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1216 | } |
1217 | ||
4d4e80f2 | 1218 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1219 | { |
4d4e80f2 JA |
1220 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1221 | return; | |
4d4e80f2 | 1222 | |
d7df1d13 JA |
1223 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1224 | fio_rwlock_unlock(f->rwlock); | |
1225 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1226 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1227 | |
1228 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1229 | } |
1230 | ||
4d4e80f2 JA |
1231 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1232 | { | |
d7df1d13 JA |
1233 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1234 | unlock_file(td, f); | |
4d4e80f2 JA |
1235 | } |
1236 | ||
bbf6b540 JA |
1237 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1238 | { | |
1239 | struct dirent *dir; | |
1240 | int ret = 0; | |
1241 | DIR *D; | |
1242 | ||
1243 | D = opendir(dirname); | |
1244 | if (!D) { | |
0ddb270c JA |
1245 | char buf[FIO_VERROR_SIZE]; |
1246 | ||
98ffb8f3 | 1247 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1248 | td_verror(td, errno, buf); |
bbf6b540 JA |
1249 | return 1; |
1250 | } | |
1251 | ||
1252 | while ((dir = readdir(D)) != NULL) { | |
1253 | char full_path[PATH_MAX]; | |
1254 | struct stat sb; | |
1255 | ||
e85b2b83 JA |
1256 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1257 | continue; | |
96d32d51 | 1258 | |
b9fd788f | 1259 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1260 | |
1261 | if (lstat(full_path, &sb) == -1) { | |
1262 | if (errno != ENOENT) { | |
1263 | td_verror(td, errno, "stat"); | |
1264 | return 1; | |
1265 | } | |
1266 | } | |
1267 | ||
1268 | if (S_ISREG(sb.st_mode)) { | |
1269 | add_file(td, full_path); | |
2dc1bbeb | 1270 | td->o.nr_files++; |
bbf6b540 JA |
1271 | continue; |
1272 | } | |
0ddb270c JA |
1273 | if (!S_ISDIR(sb.st_mode)) |
1274 | continue; | |
bbf6b540 | 1275 | |
5ec10eaa JA |
1276 | ret = recurse_dir(td, full_path); |
1277 | if (ret) | |
bbf6b540 JA |
1278 | break; |
1279 | } | |
1280 | ||
1281 | closedir(D); | |
1282 | return ret; | |
1283 | } | |
1284 | ||
1285 | int add_dir_files(struct thread_data *td, const char *path) | |
1286 | { | |
0ddb270c JA |
1287 | int ret = recurse_dir(td, path); |
1288 | ||
1289 | if (!ret) | |
1290 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1291 | ||
1292 | return ret; | |
bbf6b540 | 1293 | } |
cade3ef4 JA |
1294 | |
1295 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1296 | { | |
1297 | struct fio_file *f; | |
1298 | unsigned int i; | |
9efef3c4 JA |
1299 | |
1300 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1301 | |
1302 | if (!org->files) | |
1303 | return; | |
1304 | ||
9efef3c4 | 1305 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1306 | |
d7df1d13 JA |
1307 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1308 | td->file_locks = malloc(org->files_index); | |
1309 | ||
9efef3c4 | 1310 | for_each_file(org, f, i) { |
b0fe421a JA |
1311 | struct fio_file *__f; |
1312 | ||
f17c4392 | 1313 | __f = smalloc(sizeof(*__f)); |
c48c0be7 JA |
1314 | if (!__f) { |
1315 | log_err("fio: smalloc OOM\n"); | |
1316 | assert(0); | |
1317 | } | |
22a57ba8 | 1318 | __f->fd = -1; |
33c48814 | 1319 | fio_file_reset(td, __f); |
0b9d69ec | 1320 | |
bc3456fa | 1321 | if (f->file_name) { |
f17c4392 | 1322 | __f->file_name = smalloc_strdup(f->file_name); |
c48c0be7 JA |
1323 | if (!__f->file_name) { |
1324 | log_err("fio: smalloc OOM\n"); | |
1325 | assert(0); | |
1326 | } | |
0b9d69ec | 1327 | |
bc3456fa AC |
1328 | __f->filetype = f->filetype; |
1329 | } | |
b0fe421a JA |
1330 | |
1331 | td->files[i] = __f; | |
cade3ef4 JA |
1332 | } |
1333 | } | |
f29b25a3 JA |
1334 | |
1335 | /* | |
1336 | * Returns the index that matches the filename, or -1 if not there | |
1337 | */ | |
1338 | int get_fileno(struct thread_data *td, const char *fname) | |
1339 | { | |
1340 | struct fio_file *f; | |
1341 | unsigned int i; | |
1342 | ||
1343 | for_each_file(td, f, i) | |
1344 | if (!strcmp(f->file_name, fname)) | |
1345 | return i; | |
1346 | ||
1347 | return -1; | |
1348 | } | |
1349 | ||
1350 | /* | |
1351 | * For log usage, where we add/open/close files automatically | |
1352 | */ | |
1353 | void free_release_files(struct thread_data *td) | |
1354 | { | |
1355 | close_files(td); | |
1356 | td->files_index = 0; | |
1357 | td->nr_normal_files = 0; | |
1358 | } | |
33c48814 JA |
1359 | |
1360 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1361 | { | |
1362 | f->last_pos = f->file_offset; | |
1363 | f->last_start = -1ULL; | |
1364 | if (f->io_axmap) | |
1365 | axmap_reset(f->io_axmap); | |
1366 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) | |
1367 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); | |
1368 | } |