Commit | Line | Data |
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53cdc686 JA |
1 | #include <unistd.h> |
2 | #include <fcntl.h> | |
3 | #include <string.h> | |
4 | #include <assert.h> | |
bbf6b540 | 5 | #include <dirent.h> |
53cdc686 JA |
6 | #include <sys/stat.h> |
7 | #include <sys/mman.h> | |
bbf6b540 | 8 | #include <sys/types.h> |
53cdc686 JA |
9 | |
10 | #include "fio.h" | |
11 | #include "os.h" | |
12 | ||
25205e97 JA |
13 | /* |
14 | * Check if the file exists and it's large enough. | |
15 | */ | |
16 | static int file_ok(struct thread_data *td, struct fio_file *f) | |
53cdc686 | 17 | { |
b2a15192 | 18 | struct stat st; |
53cdc686 | 19 | |
af52b345 | 20 | if (f->filetype != FIO_TYPE_FILE || |
b5af8293 | 21 | (td->io_ops->flags & FIO_DISKLESSIO)) |
b2a15192 JA |
22 | return 0; |
23 | ||
fa01d139 | 24 | if (lstat(f->file_name, &st) == -1) |
25205e97 | 25 | return 1; |
fa01d139 JA |
26 | |
27 | /* | |
28 | * if it's a special file, size is always ok for now | |
29 | */ | |
30 | if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode)) | |
31 | return 0; | |
32 | if (st.st_size < (off_t) f->file_size) | |
25205e97 JA |
33 | return 1; |
34 | ||
35 | return 0; | |
36 | } | |
37 | ||
38 | static int create_file(struct thread_data *td, struct fio_file *f) | |
39 | { | |
40 | unsigned long long left; | |
41 | unsigned int bs; | |
42 | char *b; | |
43 | int r; | |
b2a15192 | 44 | |
53cdc686 JA |
45 | f->fd = open(f->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
46 | if (f->fd < 0) { | |
e1161c32 | 47 | td_verror(td, errno, "open"); |
53cdc686 JA |
48 | return 1; |
49 | } | |
50 | ||
51 | if (ftruncate(f->fd, f->file_size) == -1) { | |
e1161c32 | 52 | td_verror(td, errno, "ftruncate"); |
53cdc686 JA |
53 | goto err; |
54 | } | |
55 | ||
40f8298c | 56 | if (posix_fallocate(f->fd, 0, f->file_size) < 0) { |
e1161c32 | 57 | td_verror(td, errno, "posix_fallocate"); |
40f8298c JA |
58 | goto err; |
59 | } | |
60 | ||
2dc1bbeb JA |
61 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
62 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 JA |
63 | |
64 | left = f->file_size; | |
65 | while (left && !td->terminate) { | |
2dc1bbeb | 66 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
67 | if (bs > left) |
68 | bs = left; | |
69 | ||
70 | r = write(f->fd, b, bs); | |
71 | ||
72 | if (r == (int) bs) { | |
73 | left -= bs; | |
74 | continue; | |
75 | } else { | |
76 | if (r < 0) | |
e1161c32 | 77 | td_verror(td, errno, "write"); |
53cdc686 | 78 | else |
e1161c32 | 79 | td_verror(td, EIO, "write"); |
53cdc686 JA |
80 | |
81 | break; | |
82 | } | |
83 | } | |
84 | ||
85 | if (td->terminate) | |
86 | unlink(f->file_name); | |
2dc1bbeb | 87 | else if (td->o.create_fsync) |
53cdc686 JA |
88 | fsync(f->fd); |
89 | ||
90 | free(b); | |
91 | close(f->fd); | |
92 | f->fd = -1; | |
93 | return 0; | |
94 | err: | |
95 | close(f->fd); | |
96 | f->fd = -1; | |
97 | return 1; | |
98 | } | |
99 | ||
9c60ce64 JA |
100 | static unsigned long long set_rand_file_size(struct thread_data *td, |
101 | unsigned long long total_size) | |
102 | { | |
103 | unsigned long long upper = total_size; | |
104 | unsigned long long ret; | |
105 | long r; | |
106 | ||
2dc1bbeb JA |
107 | if (upper > td->o.file_size_high) |
108 | upper = td->o.file_size_high; | |
109 | else if (upper < td->o.file_size_low) | |
9c60ce64 JA |
110 | return 0; |
111 | else if (!upper) | |
112 | return 0; | |
113 | ||
114 | r = os_random_long(&td->file_size_state); | |
2dc1bbeb JA |
115 | ret = td->o.file_size_low + (unsigned long long) ((double) upper * (r / (RAND_MAX + 1.0))); |
116 | ret -= (ret % td->o.rw_min_bs); | |
9c60ce64 JA |
117 | if (ret > upper) |
118 | ret = upper; | |
119 | return ret; | |
120 | } | |
121 | ||
68727076 JA |
122 | static int fill_file_size(struct thread_data *td, struct fio_file *f, |
123 | unsigned long long *file_size, int new_files) | |
124 | { | |
125 | if (!td->o.file_size_low) { | |
126 | f->file_size = *file_size / new_files; | |
127 | f->real_file_size = f->file_size; | |
128 | } else { | |
129 | /* | |
130 | * If we don't have enough space left for a file | |
131 | * of the minimum size, bail. | |
132 | */ | |
133 | if (*file_size < td->o.file_size_low) | |
134 | return 1; | |
135 | ||
136 | f->file_size = set_rand_file_size(td, *file_size); | |
137 | f->real_file_size = f->file_size; | |
138 | *file_size -= f->file_size; | |
139 | } | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
53cdc686 JA |
144 | static int create_files(struct thread_data *td) |
145 | { | |
146 | struct fio_file *f; | |
af52b345 | 147 | int err, need_create, can_extend; |
e8be395b | 148 | unsigned long long total_file_size, local_file_size, create_size; |
e407bec2 | 149 | unsigned int i, new_files; |
53cdc686 | 150 | |
e407bec2 | 151 | new_files = 0; |
2dc1bbeb | 152 | total_file_size = td->o.size; |
1549441c | 153 | for_each_file(td, f, i) { |
96d32d51 JA |
154 | unsigned long long s; |
155 | ||
2dc1bbeb | 156 | f->file_offset = td->o.start_offset; |
96d32d51 | 157 | |
ee3dcd95 JA |
158 | if (!total_file_size) |
159 | continue; | |
1549441c | 160 | |
1d56dfee JA |
161 | if (f->filetype != FIO_TYPE_FILE) { |
162 | if (!f->file_size) | |
163 | f->file_size = total_file_size / td->o.nr_files; | |
164 | continue; | |
165 | } | |
166 | ||
96d32d51 | 167 | if (f->flags & FIO_FILE_EXISTS) { |
ee3dcd95 JA |
168 | if ((f->file_size > td->o.size / td->o.nr_files) || |
169 | !f->file_size) | |
170 | f->file_size = td->o.size / td->o.nr_files; | |
171 | ||
96d32d51 JA |
172 | s = f->file_size; |
173 | if (s > total_file_size) | |
174 | s = total_file_size; | |
175 | ||
176 | total_file_size -= s; | |
e407bec2 JA |
177 | } else |
178 | new_files++; | |
1549441c | 179 | } |
f697125a | 180 | |
53cdc686 JA |
181 | /* |
182 | * unless specifically asked for overwrite, let normal io extend it | |
183 | */ | |
2dc1bbeb | 184 | can_extend = !td->o.overwrite && !(td->io_ops->flags & FIO_NOEXTEND); |
3f344202 | 185 | if (can_extend && new_files) { |
68727076 JA |
186 | for_each_file(td, f, i) { |
187 | if (fill_file_size(td, f, &total_file_size, new_files)) { | |
188 | log_info("fio: limited to %d files\n", i); | |
189 | td->o.nr_files = i; | |
190 | break; | |
191 | } | |
192 | } | |
193 | ||
53cdc686 | 194 | return 0; |
68727076 | 195 | } |
53cdc686 | 196 | |
9c60ce64 JA |
197 | local_file_size = total_file_size; |
198 | if (!local_file_size) | |
199 | local_file_size = -1; | |
200 | ||
f4c4f4d7 JA |
201 | total_file_size = 0; |
202 | need_create = 0; | |
e8be395b | 203 | create_size = 0; |
af52b345 JA |
204 | for_each_file(td, f, i) { |
205 | int file_there; | |
206 | ||
207 | if (f->filetype != FIO_TYPE_FILE) | |
208 | continue; | |
f4c4f4d7 JA |
209 | if (f->flags & FIO_FILE_EXISTS) { |
210 | total_file_size += f->file_size; | |
96d32d51 | 211 | continue; |
f4c4f4d7 | 212 | } |
96d32d51 | 213 | |
68727076 JA |
214 | if (fill_file_size(td, f, &local_file_size, new_files)) { |
215 | log_info("fio: limited to %d files\n", i); | |
216 | new_files -= (td->o.nr_files - i); | |
217 | td->o.nr_files = i; | |
218 | break; | |
9c60ce64 | 219 | } |
eff6861d | 220 | |
f4c4f4d7 | 221 | total_file_size += f->file_size; |
e8be395b | 222 | create_size += f->file_size; |
af52b345 | 223 | file_there = !file_ok(td, f); |
eff6861d | 224 | |
2dc1bbeb | 225 | if (file_there && td_write(td) && !td->o.overwrite) { |
af52b345 JA |
226 | unlink(f->file_name); |
227 | file_there = 0; | |
eff6861d | 228 | } |
af52b345 JA |
229 | |
230 | need_create += !file_there; | |
eff6861d | 231 | } |
25205e97 | 232 | |
25205e97 JA |
233 | if (!need_create) |
234 | return 0; | |
235 | ||
2dc1bbeb | 236 | if (!td->o.size && !total_file_size) { |
f1027063 | 237 | log_err("Need size for create\n"); |
e1161c32 | 238 | td_verror(td, EINVAL, "file_size"); |
f1027063 JA |
239 | return 1; |
240 | } | |
241 | ||
53cdc686 | 242 | temp_stall_ts = 1; |
6d86144d | 243 | log_info("%s: Laying out IO file(s) (%u files / %LuMiB)\n", |
2dc1bbeb | 244 | td->o.name, new_files, create_size >> 20); |
53cdc686 JA |
245 | |
246 | err = 0; | |
247 | for_each_file(td, f, i) { | |
9b031dc8 JA |
248 | /* |
249 | * Only unlink files that we created. | |
250 | */ | |
f11bd94d | 251 | f->flags &= ~FIO_FILE_UNLINK; |
25205e97 | 252 | if (file_ok(td, f)) { |
2dc1bbeb | 253 | if (td->o.unlink) |
f11bd94d JA |
254 | f->flags |= FIO_FILE_UNLINK; |
255 | ||
160b966d | 256 | f->flags |= FIO_FILE_NOSORT; |
25205e97 JA |
257 | err = create_file(td, f); |
258 | if (err) | |
259 | break; | |
260 | } | |
53cdc686 JA |
261 | } |
262 | ||
263 | temp_stall_ts = 0; | |
264 | return err; | |
265 | } | |
266 | ||
267 | static int file_size(struct thread_data *td, struct fio_file *f) | |
268 | { | |
269 | struct stat st; | |
270 | ||
2dc1bbeb | 271 | if (td->o.overwrite) { |
53cdc686 | 272 | if (fstat(f->fd, &st) == -1) { |
e1161c32 | 273 | td_verror(td, errno, "fstat"); |
53cdc686 JA |
274 | return 1; |
275 | } | |
276 | ||
277 | f->real_file_size = st.st_size; | |
278 | ||
279 | if (!f->file_size || f->file_size > f->real_file_size) | |
280 | f->file_size = f->real_file_size; | |
745508dd JA |
281 | } else |
282 | f->real_file_size = f->file_size; | |
53cdc686 | 283 | |
53cdc686 JA |
284 | return 0; |
285 | } | |
286 | ||
287 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
288 | { | |
289 | unsigned long long bytes; | |
290 | int r; | |
291 | ||
292 | r = blockdev_size(f->fd, &bytes); | |
293 | if (r) { | |
e1161c32 | 294 | td_verror(td, r, "blockdev_size"); |
53cdc686 JA |
295 | return 1; |
296 | } | |
297 | ||
298 | f->real_file_size = bytes; | |
299 | ||
300 | /* | |
301 | * no extend possibilities, so limit size to device size if too large | |
302 | */ | |
303 | if (!f->file_size || f->file_size > f->real_file_size) | |
304 | f->file_size = f->real_file_size; | |
305 | ||
306 | f->file_size -= f->file_offset; | |
307 | return 0; | |
308 | } | |
309 | ||
310 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
311 | { | |
312 | int ret = 0; | |
313 | ||
96d32d51 JA |
314 | if (f->filetype == FIO_TYPE_FILE) { |
315 | if (!(f->flags & FIO_FILE_EXISTS)) | |
316 | ret = file_size(td, f); | |
317 | } else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
318 | ret = bdev_size(td, f); |
319 | else | |
320 | f->real_file_size = -1; | |
321 | ||
322 | if (ret) | |
323 | return ret; | |
324 | ||
325 | if (f->file_offset > f->real_file_size) { | |
2dc1bbeb | 326 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size); |
53cdc686 JA |
327 | return 1; |
328 | } | |
329 | ||
53cdc686 JA |
330 | return 0; |
331 | } | |
332 | ||
e5b401d4 JA |
333 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
334 | { | |
335 | int ret = 0; | |
336 | ||
2dc1bbeb | 337 | if (td->o.odirect) |
b5af8293 JA |
338 | return 0; |
339 | ||
e5b401d4 JA |
340 | /* |
341 | * FIXME: add blockdev flushing too | |
342 | */ | |
b5af8293 | 343 | if (f->mmap) |
e5b401d4 | 344 | ret = madvise(f->mmap, f->file_size, MADV_DONTNEED); |
467d1b6b | 345 | else if (f->filetype == FIO_TYPE_FILE) |
b5af8293 | 346 | ret = fadvise(f->fd, f->file_offset, f->file_size, POSIX_FADV_DONTNEED); |
7e0e25c9 | 347 | else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 348 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 JA |
349 | if (ret < 0 && errno == EACCES && geteuid()) { |
350 | log_err("fio: only root may flush block devices. Cache flush bypassed!\n"); | |
351 | ret = 0; | |
352 | } | |
353 | } else if (f->filetype == FIO_TYPE_CHAR) | |
e5b401d4 JA |
354 | ret = 0; |
355 | ||
356 | if (ret < 0) { | |
e1161c32 | 357 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 JA |
358 | return 1; |
359 | } | |
360 | ||
ad2da605 | 361 | return ret; |
e5b401d4 JA |
362 | } |
363 | ||
b5af8293 | 364 | void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 365 | { |
b5af8293 JA |
366 | close(f->fd); |
367 | f->fd = -1; | |
53cdc686 JA |
368 | } |
369 | ||
b5af8293 | 370 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
53cdc686 | 371 | { |
53cdc686 JA |
372 | int flags = 0; |
373 | ||
2dc1bbeb | 374 | if (td->o.odirect) |
2fd233b7 | 375 | flags |= OS_O_DIRECT; |
2dc1bbeb | 376 | if (td->o.sync_io) |
2fd233b7 | 377 | flags |= O_SYNC; |
53cdc686 | 378 | |
2fd233b7 JA |
379 | if (td_write(td) || td_rw(td)) { |
380 | flags |= O_RDWR; | |
53cdc686 | 381 | |
af52b345 | 382 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 383 | flags |= O_CREAT; |
2fd233b7 | 384 | |
b5af8293 | 385 | f->fd = open(f->file_name, flags, 0600); |
2fd233b7 | 386 | } else { |
af52b345 | 387 | if (f->filetype == FIO_TYPE_CHAR) |
2fd233b7 JA |
388 | flags |= O_RDWR; |
389 | else | |
390 | flags |= O_RDONLY; | |
391 | ||
b5af8293 | 392 | f->fd = open(f->file_name, flags); |
53cdc686 JA |
393 | } |
394 | ||
395 | if (f->fd == -1) { | |
e4e33258 | 396 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
397 | int __e = errno; |
398 | ||
e4e33258 JA |
399 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
400 | ||
401 | td_verror(td, __e, buf); | |
2dc1bbeb | 402 | if (__e == EINVAL && td->o.odirect) |
9d80e114 | 403 | log_err("fio: destination does not support O_DIRECT\n"); |
8ab53873 | 404 | if (__e == EMFILE) |
2dc1bbeb | 405 | log_err("fio: try reducing/setting openfiles (failed at %u of %u)\n", td->nr_open_files, td->o.nr_files); |
53cdc686 JA |
406 | return 1; |
407 | } | |
408 | ||
b5af8293 JA |
409 | if (get_file_size(td, f)) |
410 | goto err; | |
411 | ||
2dc1bbeb | 412 | if (td->o.invalidate_cache && file_invalidate_cache(td, f)) |
b5af8293 JA |
413 | goto err; |
414 | ||
148cf6a9 JA |
415 | if (td->o.fadvise_hint) { |
416 | if (td_random(td)) | |
417 | flags = POSIX_FADV_RANDOM; | |
418 | else | |
419 | flags = POSIX_FADV_SEQUENTIAL; | |
d2f3ac35 | 420 | |
148cf6a9 | 421 | if (fadvise(f->fd, f->file_offset, f->file_size, flags) < 0) { |
b5af8293 JA |
422 | td_verror(td, errno, "fadvise"); |
423 | goto err; | |
424 | } | |
bdb4e2e9 | 425 | } |
53cdc686 JA |
426 | |
427 | return 0; | |
b5af8293 JA |
428 | err: |
429 | close(f->fd); | |
430 | return 1; | |
431 | } | |
432 | ||
21972cde JA |
433 | int open_files(struct thread_data *td) |
434 | { | |
435 | struct fio_file *f; | |
af52b345 JA |
436 | unsigned int i; |
437 | int err = 0; | |
21972cde JA |
438 | |
439 | for_each_file(td, f, i) { | |
b5af8293 | 440 | err = td_io_open_file(td, f); |
21972cde JA |
441 | if (err) |
442 | break; | |
b5af8293 | 443 | |
2dc1bbeb | 444 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 445 | break; |
21972cde JA |
446 | } |
447 | ||
7abf833d JA |
448 | if (!err) |
449 | return 0; | |
450 | ||
bdb4e2e9 | 451 | for_each_file(td, f, i) |
b5af8293 | 452 | td_io_close_file(td, f); |
7abf833d | 453 | |
21972cde JA |
454 | return err; |
455 | } | |
456 | ||
53cdc686 JA |
457 | int setup_files(struct thread_data *td) |
458 | { | |
459 | struct fio_file *f; | |
af52b345 JA |
460 | unsigned int i; |
461 | int err; | |
53cdc686 JA |
462 | |
463 | /* | |
464 | * if ioengine defines a setup() method, it's responsible for | |
465 | * setting up everything in the td->files[] area. | |
466 | */ | |
467 | if (td->io_ops->setup) | |
468 | return td->io_ops->setup(td); | |
469 | ||
470 | if (create_files(td)) | |
471 | return 1; | |
472 | ||
21972cde | 473 | err = open_files(td); |
f1027063 JA |
474 | if (err) |
475 | return err; | |
476 | ||
0a7eb121 JA |
477 | /* |
478 | * Recalculate the total file size now that files are set up. | |
479 | */ | |
2dc1bbeb | 480 | td->o.size = 0; |
0a7eb121 | 481 | for_each_file(td, f, i) |
2dc1bbeb | 482 | td->o.size += f->file_size; |
0a7eb121 | 483 | |
2dc1bbeb | 484 | td->io_size = td->o.size; |
53cdc686 | 485 | if (td->io_size == 0) { |
2dc1bbeb | 486 | log_err("%s: no io blocks\n", td->o.name); |
e1161c32 | 487 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
488 | return 1; |
489 | } | |
490 | ||
2dc1bbeb JA |
491 | if (!td->o.zone_size) |
492 | td->o.zone_size = td->io_size; | |
53cdc686 | 493 | |
2dc1bbeb | 494 | td->total_io_size = td->io_size * td->o.loops; |
53cdc686 | 495 | |
bdb4e2e9 | 496 | for_each_file(td, f, i) |
b5af8293 | 497 | td_io_close_file(td, f); |
21972cde JA |
498 | |
499 | return err; | |
53cdc686 JA |
500 | } |
501 | ||
68727076 JA |
502 | int init_random_map(struct thread_data *td) |
503 | { | |
504 | int num_maps, blocks; | |
505 | struct fio_file *f; | |
506 | unsigned int i; | |
507 | ||
508 | if (td->o.norandommap) | |
509 | return 0; | |
510 | ||
511 | for_each_file(td, f, i) { | |
512 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / td->o.rw_min_bs; | |
513 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; | |
514 | f->file_map = malloc(num_maps * sizeof(long)); | |
515 | if (!f->file_map) { | |
516 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
517 | return 1; | |
518 | } | |
519 | f->num_maps = num_maps; | |
520 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
521 | } | |
522 | ||
523 | return 0; | |
524 | } | |
525 | ||
53cdc686 JA |
526 | void close_files(struct thread_data *td) |
527 | { | |
0ab8db89 | 528 | struct fio_file *f; |
af52b345 | 529 | unsigned int i; |
53cdc686 | 530 | |
0ab8db89 | 531 | for_each_file(td, f, i) { |
fa1da865 JA |
532 | if ((f->flags & FIO_FILE_UNLINK) && |
533 | f->filetype == FIO_TYPE_FILE) | |
132ad46d | 534 | unlink(f->file_name); |
bdb4e2e9 | 535 | |
b5af8293 | 536 | td_io_close_file(td, f); |
b3dc7f07 | 537 | |
fa1da865 JA |
538 | free(f->file_name); |
539 | f->file_name = NULL; | |
540 | ||
c343981b | 541 | if (f->file_map) { |
b3dc7f07 | 542 | free(f->file_map); |
c343981b JA |
543 | f->file_map = NULL; |
544 | } | |
53cdc686 | 545 | } |
b4a6a59a | 546 | |
2dc1bbeb | 547 | td->o.filename = NULL; |
cade3ef4 | 548 | free(td->files); |
b4a6a59a | 549 | td->files = NULL; |
2dc1bbeb | 550 | td->o.nr_files = 0; |
53cdc686 | 551 | } |
af52b345 | 552 | |
e3bab463 | 553 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
554 | { |
555 | struct stat sb; | |
556 | ||
557 | f->filetype = FIO_TYPE_FILE; | |
558 | ||
e3bab463 | 559 | if (!lstat(f->file_name, &sb)) { |
96d32d51 JA |
560 | f->flags |= FIO_FILE_EXISTS; |
561 | ||
af52b345 JA |
562 | if (S_ISBLK(sb.st_mode)) |
563 | f->filetype = FIO_TYPE_BD; | |
564 | else if (S_ISCHR(sb.st_mode)) | |
565 | f->filetype = FIO_TYPE_CHAR; | |
96d32d51 JA |
566 | else { |
567 | /* | |
568 | * might as well do this here, and save a stat later on | |
569 | */ | |
570 | f->real_file_size = sb.st_size; | |
571 | f->file_size = f->real_file_size; | |
572 | } | |
af52b345 JA |
573 | } |
574 | } | |
575 | ||
576 | void add_file(struct thread_data *td, const char *fname) | |
577 | { | |
7b4e4fe5 | 578 | int cur_files = td->files_index; |
bd0ee748 | 579 | char file_name[PATH_MAX]; |
af52b345 | 580 | struct fio_file *f; |
bd0ee748 | 581 | int len = 0; |
af52b345 JA |
582 | |
583 | td->files = realloc(td->files, (cur_files + 1) * sizeof(*f)); | |
584 | ||
585 | f = &td->files[cur_files]; | |
586 | memset(f, 0, sizeof(*f)); | |
587 | f->fd = -1; | |
bd0ee748 JA |
588 | |
589 | if (td->o.directory) | |
590 | len = sprintf(file_name, "%s/", td->o.directory); | |
591 | ||
592 | sprintf(file_name + len, "%s", fname); | |
593 | f->file_name = strdup(file_name); | |
af52b345 | 594 | |
e3bab463 | 595 | get_file_type(f); |
af52b345 | 596 | |
7b4e4fe5 | 597 | td->files_index++; |
1549441c JA |
598 | if (f->filetype == FIO_TYPE_FILE) |
599 | td->nr_normal_files++; | |
af52b345 | 600 | } |
0ad920e7 JA |
601 | |
602 | void get_file(struct fio_file *f) | |
603 | { | |
604 | f->references++; | |
605 | } | |
606 | ||
607 | void put_file(struct thread_data *td, struct fio_file *f) | |
608 | { | |
609 | if (!(f->flags & FIO_FILE_OPEN)) | |
610 | return; | |
611 | ||
612 | assert(f->references); | |
613 | if (--f->references) | |
614 | return; | |
615 | ||
2dc1bbeb | 616 | if (should_fsync(td) && td->o.fsync_on_close) |
ebb1415f JA |
617 | fsync(f->fd); |
618 | ||
0ad920e7 JA |
619 | if (td->io_ops->close_file) |
620 | td->io_ops->close_file(td, f); | |
621 | td->nr_open_files--; | |
622 | f->flags &= ~FIO_FILE_OPEN; | |
623 | } | |
bbf6b540 JA |
624 | |
625 | static int recurse_dir(struct thread_data *td, const char *dirname) | |
626 | { | |
627 | struct dirent *dir; | |
628 | int ret = 0; | |
629 | DIR *D; | |
630 | ||
631 | D = opendir(dirname); | |
632 | if (!D) { | |
633 | td_verror(td, errno, "opendir"); | |
634 | return 1; | |
635 | } | |
636 | ||
637 | while ((dir = readdir(D)) != NULL) { | |
638 | char full_path[PATH_MAX]; | |
639 | struct stat sb; | |
640 | ||
e85b2b83 JA |
641 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
642 | continue; | |
96d32d51 | 643 | |
bbf6b540 JA |
644 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
645 | ||
646 | if (lstat(full_path, &sb) == -1) { | |
647 | if (errno != ENOENT) { | |
648 | td_verror(td, errno, "stat"); | |
649 | return 1; | |
650 | } | |
651 | } | |
652 | ||
653 | if (S_ISREG(sb.st_mode)) { | |
654 | add_file(td, full_path); | |
2dc1bbeb | 655 | td->o.nr_files++; |
bbf6b540 JA |
656 | continue; |
657 | } | |
658 | ||
bbf6b540 JA |
659 | if ((ret = recurse_dir(td, full_path)) != 0) |
660 | break; | |
661 | } | |
662 | ||
663 | closedir(D); | |
664 | return ret; | |
665 | } | |
666 | ||
667 | int add_dir_files(struct thread_data *td, const char *path) | |
668 | { | |
669 | return recurse_dir(td, path); | |
670 | } | |
cade3ef4 JA |
671 | |
672 | void dup_files(struct thread_data *td, struct thread_data *org) | |
673 | { | |
674 | struct fio_file *f; | |
675 | unsigned int i; | |
676 | size_t bytes; | |
677 | ||
678 | if (!org->files) | |
679 | return; | |
680 | ||
681 | bytes = org->files_index * sizeof(*f); | |
682 | td->files = malloc(bytes); | |
683 | memcpy(td->files, org->files, bytes); | |
684 | ||
685 | for_each_file(td, f, i) { | |
686 | if (f->file_name) | |
687 | f->file_name = strdup(f->file_name); | |
688 | } | |
689 | } |