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 | ||
7bb48f84 | 13 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 14 | { |
507a702f | 15 | int r, new_layout = 0, flags; |
25205e97 JA |
16 | unsigned long long left; |
17 | unsigned int bs; | |
18 | char *b; | |
b2a15192 | 19 | |
507a702f JA |
20 | /* |
21 | * check if we need to lay the file out complete again. fio | |
22 | * does that for operations involving reads, or for writes | |
23 | * where overwrite is set | |
24 | */ | |
25 | if (td_read(td) || (td_write(td) && td->o.overwrite)) | |
26 | new_layout = 1; | |
27 | ||
28 | if (new_layout && (f->flags & FIO_FILE_EXISTS)) { | |
7bb48f84 JA |
29 | if (unlink(f->file_name) < 0) { |
30 | td_verror(td, errno, "unlink"); | |
31 | return 1; | |
32 | } | |
33 | } | |
34 | ||
507a702f JA |
35 | flags = O_WRONLY | O_CREAT; |
36 | if (new_layout) | |
37 | flags |= O_TRUNC; | |
38 | ||
39 | f->fd = open(f->file_name, flags, 0644); | |
53cdc686 | 40 | if (f->fd < 0) { |
e1161c32 | 41 | td_verror(td, errno, "open"); |
53cdc686 JA |
42 | return 1; |
43 | } | |
44 | ||
7bb48f84 | 45 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
e1161c32 | 46 | td_verror(td, errno, "ftruncate"); |
53cdc686 JA |
47 | goto err; |
48 | } | |
49 | ||
e8be2ad7 JA |
50 | if (!new_layout) |
51 | goto done; | |
52 | ||
7bb48f84 | 53 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
e1161c32 | 54 | td_verror(td, errno, "posix_fallocate"); |
40f8298c JA |
55 | goto err; |
56 | } | |
57 | ||
2dc1bbeb JA |
58 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
59 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 60 | |
7bb48f84 | 61 | left = f->real_file_size; |
53cdc686 | 62 | while (left && !td->terminate) { |
2dc1bbeb | 63 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
64 | if (bs > left) |
65 | bs = left; | |
66 | ||
67 | r = write(f->fd, b, bs); | |
68 | ||
69 | if (r == (int) bs) { | |
70 | left -= bs; | |
71 | continue; | |
72 | } else { | |
73 | if (r < 0) | |
e1161c32 | 74 | td_verror(td, errno, "write"); |
53cdc686 | 75 | else |
e1161c32 | 76 | td_verror(td, EIO, "write"); |
53cdc686 JA |
77 | |
78 | break; | |
79 | } | |
80 | } | |
81 | ||
82 | if (td->terminate) | |
83 | unlink(f->file_name); | |
2dc1bbeb | 84 | else if (td->o.create_fsync) |
53cdc686 JA |
85 | fsync(f->fd); |
86 | ||
87 | free(b); | |
507a702f | 88 | done: |
53cdc686 JA |
89 | close(f->fd); |
90 | f->fd = -1; | |
91 | return 0; | |
92 | err: | |
93 | close(f->fd); | |
94 | f->fd = -1; | |
95 | return 1; | |
96 | } | |
97 | ||
7bb48f84 | 98 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 99 | { |
9c60ce64 JA |
100 | unsigned long long ret; |
101 | long r; | |
102 | ||
9c60ce64 | 103 | r = os_random_long(&td->file_size_state); |
7bb48f84 | 104 | ret = td->o.file_size_low + (unsigned long long) ((double) td->o.file_size_high * (r / (RAND_MAX + 1.0))); |
2dc1bbeb | 105 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
106 | return ret; |
107 | } | |
108 | ||
53cdc686 JA |
109 | static int file_size(struct thread_data *td, struct fio_file *f) |
110 | { | |
111 | struct stat st; | |
112 | ||
7bb48f84 JA |
113 | if (fstat(f->fd, &st) == -1) { |
114 | td_verror(td, errno, "fstat"); | |
115 | return 1; | |
116 | } | |
53cdc686 | 117 | |
7bb48f84 | 118 | f->real_file_size = st.st_size; |
53cdc686 JA |
119 | return 0; |
120 | } | |
121 | ||
122 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
123 | { | |
124 | unsigned long long bytes; | |
125 | int r; | |
126 | ||
127 | r = blockdev_size(f->fd, &bytes); | |
128 | if (r) { | |
e1161c32 | 129 | td_verror(td, r, "blockdev_size"); |
53cdc686 JA |
130 | return 1; |
131 | } | |
132 | ||
133 | f->real_file_size = bytes; | |
53cdc686 JA |
134 | return 0; |
135 | } | |
136 | ||
137 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
138 | { | |
139 | int ret = 0; | |
140 | ||
409b3417 JA |
141 | if (f->flags & FIO_SIZE_KNOWN) |
142 | return 0; | |
143 | ||
7bb48f84 JA |
144 | if (f->filetype == FIO_TYPE_FILE) |
145 | ret = file_size(td, f); | |
146 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
147 | ret = bdev_size(td, f); |
148 | else | |
149 | f->real_file_size = -1; | |
150 | ||
151 | if (ret) | |
152 | return ret; | |
153 | ||
154 | if (f->file_offset > f->real_file_size) { | |
2dc1bbeb | 155 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size); |
53cdc686 JA |
156 | return 1; |
157 | } | |
158 | ||
409b3417 | 159 | f->flags |= FIO_SIZE_KNOWN; |
53cdc686 JA |
160 | return 0; |
161 | } | |
162 | ||
e5b401d4 JA |
163 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
164 | { | |
165 | int ret = 0; | |
166 | ||
2dc1bbeb | 167 | if (td->o.odirect) |
b5af8293 JA |
168 | return 0; |
169 | ||
e5b401d4 JA |
170 | /* |
171 | * FIXME: add blockdev flushing too | |
172 | */ | |
b5af8293 | 173 | if (f->mmap) |
7bb48f84 | 174 | ret = madvise(f->mmap, f->io_size, MADV_DONTNEED); |
467d1b6b | 175 | else if (f->filetype == FIO_TYPE_FILE) |
7bb48f84 | 176 | ret = fadvise(f->fd, f->file_offset, f->io_size, POSIX_FADV_DONTNEED); |
7e0e25c9 | 177 | else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 178 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 JA |
179 | if (ret < 0 && errno == EACCES && geteuid()) { |
180 | log_err("fio: only root may flush block devices. Cache flush bypassed!\n"); | |
181 | ret = 0; | |
182 | } | |
183 | } else if (f->filetype == FIO_TYPE_CHAR) | |
e5b401d4 JA |
184 | ret = 0; |
185 | ||
186 | if (ret < 0) { | |
e1161c32 | 187 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 JA |
188 | return 1; |
189 | } | |
190 | ||
ad2da605 | 191 | return ret; |
e5b401d4 JA |
192 | } |
193 | ||
b5af8293 | 194 | void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 195 | { |
b5af8293 JA |
196 | close(f->fd); |
197 | f->fd = -1; | |
53cdc686 JA |
198 | } |
199 | ||
b5af8293 | 200 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
53cdc686 | 201 | { |
53cdc686 JA |
202 | int flags = 0; |
203 | ||
2dc1bbeb | 204 | if (td->o.odirect) |
2fd233b7 | 205 | flags |= OS_O_DIRECT; |
2dc1bbeb | 206 | if (td->o.sync_io) |
2fd233b7 | 207 | flags |= O_SYNC; |
53cdc686 | 208 | |
2fd233b7 JA |
209 | if (td_write(td) || td_rw(td)) { |
210 | flags |= O_RDWR; | |
53cdc686 | 211 | |
af52b345 | 212 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 213 | flags |= O_CREAT; |
2fd233b7 | 214 | |
b5af8293 | 215 | f->fd = open(f->file_name, flags, 0600); |
2fd233b7 | 216 | } else { |
af52b345 | 217 | if (f->filetype == FIO_TYPE_CHAR) |
2fd233b7 JA |
218 | flags |= O_RDWR; |
219 | else | |
220 | flags |= O_RDONLY; | |
221 | ||
b5af8293 | 222 | f->fd = open(f->file_name, flags); |
53cdc686 JA |
223 | } |
224 | ||
225 | if (f->fd == -1) { | |
e4e33258 | 226 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
227 | int __e = errno; |
228 | ||
e4e33258 JA |
229 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
230 | ||
231 | td_verror(td, __e, buf); | |
53cdc686 JA |
232 | } |
233 | ||
b5af8293 JA |
234 | if (get_file_size(td, f)) |
235 | goto err; | |
236 | ||
53cdc686 | 237 | return 0; |
b5af8293 JA |
238 | err: |
239 | close(f->fd); | |
240 | return 1; | |
241 | } | |
242 | ||
21972cde JA |
243 | int open_files(struct thread_data *td) |
244 | { | |
245 | struct fio_file *f; | |
af52b345 JA |
246 | unsigned int i; |
247 | int err = 0; | |
21972cde JA |
248 | |
249 | for_each_file(td, f, i) { | |
b5af8293 | 250 | err = td_io_open_file(td, f); |
9bf27b45 JA |
251 | if (err) { |
252 | if (td->error == EMFILE) { | |
253 | log_err("fio: limited open files to: %d\n", td->nr_open_files); | |
254 | td->o.open_files = td->nr_open_files; | |
255 | err = 0; | |
256 | clear_error(td); | |
257 | } | |
21972cde | 258 | break; |
9bf27b45 | 259 | } |
b5af8293 | 260 | |
2dc1bbeb | 261 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 262 | break; |
21972cde JA |
263 | } |
264 | ||
7abf833d JA |
265 | if (!err) |
266 | return 0; | |
267 | ||
bdb4e2e9 | 268 | for_each_file(td, f, i) |
b5af8293 | 269 | td_io_close_file(td, f); |
7abf833d | 270 | |
21972cde JA |
271 | return err; |
272 | } | |
273 | ||
7bb48f84 JA |
274 | /* |
275 | * open/close all files, so that ->real_file_size gets set | |
276 | */ | |
000b0803 | 277 | static void get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
278 | { |
279 | struct fio_file *f; | |
280 | unsigned int i; | |
7bb48f84 JA |
281 | |
282 | for_each_file(td, f, i) { | |
541d66d7 JA |
283 | if (td->io_ops->open_file(td, f)) |
284 | clear_error(td); | |
285 | else | |
000b0803 | 286 | td->io_ops->close_file(td, f); |
409b3417 JA |
287 | |
288 | if (f->real_file_size == -1ULL && td->o.size) | |
289 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 290 | } |
7bb48f84 JA |
291 | } |
292 | ||
293 | /* | |
294 | * Open the files and setup files sizes, creating files if necessary. | |
295 | */ | |
53cdc686 JA |
296 | int setup_files(struct thread_data *td) |
297 | { | |
7bb48f84 | 298 | unsigned long long total_size, extend_size; |
53cdc686 | 299 | struct fio_file *f; |
af52b345 | 300 | unsigned int i; |
000b0803 | 301 | int err = 0, need_extend; |
53cdc686 JA |
302 | |
303 | /* | |
304 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
305 | * opening the files and setting f->real_file_size to indicate |
306 | * the valid range for that file. | |
53cdc686 JA |
307 | */ |
308 | if (td->io_ops->setup) | |
7bb48f84 JA |
309 | err = td->io_ops->setup(td); |
310 | else | |
000b0803 | 311 | get_file_sizes(td); |
53cdc686 | 312 | |
f1027063 JA |
313 | if (err) |
314 | return err; | |
315 | ||
0a7eb121 | 316 | /* |
7bb48f84 JA |
317 | * check sizes. if the files/devices do not exist and the size |
318 | * isn't passed to fio, abort. | |
0a7eb121 | 319 | */ |
7bb48f84 JA |
320 | total_size = 0; |
321 | for_each_file(td, f, i) { | |
322 | if (f->real_file_size == -1ULL) | |
323 | total_size = -1ULL; | |
324 | else | |
325 | total_size += f->real_file_size; | |
326 | } | |
0a7eb121 | 327 | |
7bb48f84 JA |
328 | /* |
329 | * device/file sizes are zero and no size given, punt | |
330 | */ | |
409b3417 | 331 | if ((!total_size || total_size == -1ULL) && !td->o.size) { |
7bb48f84 | 332 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 333 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
334 | return 1; |
335 | } | |
336 | ||
7bb48f84 JA |
337 | /* |
338 | * now file sizes are known, so we can set ->io_size. if size= is | |
339 | * not given, ->io_size is just equal to ->real_file_size. if size | |
340 | * is given, ->io_size is size / nr_files. | |
341 | */ | |
342 | extend_size = total_size = 0; | |
343 | need_extend = 0; | |
344 | for_each_file(td, f, i) { | |
345 | if (!td->o.file_size_low) { | |
346 | /* | |
347 | * no file size range given, file size is equal to | |
348 | * total size divided by number of files. if that is | |
349 | * zero, set it to the real file size. | |
350 | */ | |
351 | f->io_size = td->o.size / td->o.nr_files; | |
352 | if (!f->io_size) | |
353 | f->io_size = f->real_file_size; | |
354 | } else if (f->real_file_size < td->o.file_size_low || | |
355 | f->real_file_size > td->o.file_size_high) { | |
356 | /* | |
357 | * file size given. if it's fixed, use that. if it's a | |
358 | * range, generate a random size in-between. | |
359 | */ | |
360 | if (td->o.file_size_low == td->o.file_size_high) | |
361 | f->io_size = td->o.file_size_low; | |
362 | else | |
363 | f->io_size = get_rand_file_size(td); | |
364 | } else | |
365 | f->io_size = f->real_file_size; | |
53cdc686 | 366 | |
7bb48f84 JA |
367 | if (f->io_size == -1ULL) |
368 | total_size = -1ULL; | |
369 | else | |
370 | total_size += f->io_size; | |
371 | ||
372 | if (f->filetype == FIO_TYPE_FILE && | |
373 | f->io_size > f->real_file_size && | |
374 | !(td->io_ops->flags & FIO_DISKLESSIO)) { | |
375 | need_extend++; | |
376 | extend_size += f->io_size; | |
377 | f->flags |= FIO_FILE_EXTEND; | |
378 | } | |
379 | } | |
53cdc686 | 380 | |
7bb48f84 JA |
381 | if (!td->o.size) |
382 | td->o.size = total_size; | |
21972cde | 383 | |
7bb48f84 JA |
384 | /* |
385 | * See if we need to extend some files | |
386 | */ | |
387 | if (need_extend) { | |
388 | temp_stall_ts = 1; | |
389 | log_info("%s: Laying out IO file(s) (%u files / %LuMiB)\n", | |
390 | td->o.name, need_extend, extend_size >> 20); | |
391 | ||
392 | for_each_file(td, f, i) { | |
393 | if (!(f->flags & FIO_FILE_EXTEND)) | |
394 | continue; | |
395 | ||
409b3417 | 396 | assert(f->filetype == FIO_TYPE_FILE); |
7bb48f84 JA |
397 | f->flags &= ~FIO_FILE_EXTEND; |
398 | f->real_file_size = f->io_size; | |
399 | err = extend_file(td, f); | |
400 | if (err) | |
401 | break; | |
402 | } | |
403 | temp_stall_ts = 0; | |
404 | } | |
405 | ||
406 | if (err) | |
407 | return err; | |
408 | ||
409 | if (!td->o.zone_size) | |
410 | td->o.zone_size = td->o.size; | |
411 | ||
412 | td->total_io_size = td->o.size * td->o.loops; | |
413 | return 0; | |
53cdc686 JA |
414 | } |
415 | ||
68727076 JA |
416 | int init_random_map(struct thread_data *td) |
417 | { | |
418 | int num_maps, blocks; | |
419 | struct fio_file *f; | |
420 | unsigned int i; | |
421 | ||
422 | if (td->o.norandommap) | |
423 | return 0; | |
424 | ||
425 | for_each_file(td, f, i) { | |
426 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / td->o.rw_min_bs; | |
427 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; | |
428 | f->file_map = malloc(num_maps * sizeof(long)); | |
429 | if (!f->file_map) { | |
430 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
431 | return 1; | |
432 | } | |
433 | f->num_maps = num_maps; | |
434 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
435 | } | |
436 | ||
437 | return 0; | |
438 | } | |
439 | ||
53cdc686 JA |
440 | void close_files(struct thread_data *td) |
441 | { | |
0ab8db89 | 442 | struct fio_file *f; |
af52b345 | 443 | unsigned int i; |
53cdc686 | 444 | |
0ab8db89 | 445 | for_each_file(td, f, i) { |
fa1da865 JA |
446 | if ((f->flags & FIO_FILE_UNLINK) && |
447 | f->filetype == FIO_TYPE_FILE) | |
132ad46d | 448 | unlink(f->file_name); |
bdb4e2e9 | 449 | |
b5af8293 | 450 | td_io_close_file(td, f); |
b3dc7f07 | 451 | |
fa1da865 JA |
452 | free(f->file_name); |
453 | f->file_name = NULL; | |
454 | ||
c343981b | 455 | if (f->file_map) { |
b3dc7f07 | 456 | free(f->file_map); |
c343981b JA |
457 | f->file_map = NULL; |
458 | } | |
53cdc686 | 459 | } |
b4a6a59a | 460 | |
2dc1bbeb | 461 | td->o.filename = NULL; |
cade3ef4 | 462 | free(td->files); |
b4a6a59a | 463 | td->files = NULL; |
2dc1bbeb | 464 | td->o.nr_files = 0; |
53cdc686 | 465 | } |
af52b345 | 466 | |
e3bab463 | 467 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
468 | { |
469 | struct stat sb; | |
470 | ||
471 | f->filetype = FIO_TYPE_FILE; | |
472 | ||
e3bab463 | 473 | if (!lstat(f->file_name, &sb)) { |
af52b345 JA |
474 | if (S_ISBLK(sb.st_mode)) |
475 | f->filetype = FIO_TYPE_BD; | |
476 | else if (S_ISCHR(sb.st_mode)) | |
477 | f->filetype = FIO_TYPE_CHAR; | |
478 | } | |
479 | } | |
480 | ||
481 | void add_file(struct thread_data *td, const char *fname) | |
482 | { | |
7b4e4fe5 | 483 | int cur_files = td->files_index; |
bd0ee748 | 484 | char file_name[PATH_MAX]; |
af52b345 | 485 | struct fio_file *f; |
bd0ee748 | 486 | int len = 0; |
af52b345 JA |
487 | |
488 | td->files = realloc(td->files, (cur_files + 1) * sizeof(*f)); | |
489 | ||
490 | f = &td->files[cur_files]; | |
491 | memset(f, 0, sizeof(*f)); | |
492 | f->fd = -1; | |
bd0ee748 JA |
493 | |
494 | if (td->o.directory) | |
495 | len = sprintf(file_name, "%s/", td->o.directory); | |
496 | ||
497 | sprintf(file_name + len, "%s", fname); | |
498 | f->file_name = strdup(file_name); | |
af52b345 | 499 | |
e3bab463 | 500 | get_file_type(f); |
af52b345 | 501 | |
7b4e4fe5 | 502 | td->files_index++; |
1549441c JA |
503 | if (f->filetype == FIO_TYPE_FILE) |
504 | td->nr_normal_files++; | |
af52b345 | 505 | } |
0ad920e7 JA |
506 | |
507 | void get_file(struct fio_file *f) | |
508 | { | |
509 | f->references++; | |
510 | } | |
511 | ||
512 | void put_file(struct thread_data *td, struct fio_file *f) | |
513 | { | |
514 | if (!(f->flags & FIO_FILE_OPEN)) | |
515 | return; | |
516 | ||
517 | assert(f->references); | |
518 | if (--f->references) | |
519 | return; | |
520 | ||
2dc1bbeb | 521 | if (should_fsync(td) && td->o.fsync_on_close) |
ebb1415f JA |
522 | fsync(f->fd); |
523 | ||
0ad920e7 JA |
524 | if (td->io_ops->close_file) |
525 | td->io_ops->close_file(td, f); | |
1020a139 | 526 | |
0ad920e7 JA |
527 | td->nr_open_files--; |
528 | f->flags &= ~FIO_FILE_OPEN; | |
529 | } | |
bbf6b540 JA |
530 | |
531 | static int recurse_dir(struct thread_data *td, const char *dirname) | |
532 | { | |
533 | struct dirent *dir; | |
534 | int ret = 0; | |
535 | DIR *D; | |
536 | ||
537 | D = opendir(dirname); | |
538 | if (!D) { | |
0ddb270c JA |
539 | char buf[FIO_VERROR_SIZE]; |
540 | ||
541 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
542 | td_verror(td, errno, buf); | |
bbf6b540 JA |
543 | return 1; |
544 | } | |
545 | ||
546 | while ((dir = readdir(D)) != NULL) { | |
547 | char full_path[PATH_MAX]; | |
548 | struct stat sb; | |
549 | ||
e85b2b83 JA |
550 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
551 | continue; | |
96d32d51 | 552 | |
bbf6b540 JA |
553 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
554 | ||
555 | if (lstat(full_path, &sb) == -1) { | |
556 | if (errno != ENOENT) { | |
557 | td_verror(td, errno, "stat"); | |
558 | return 1; | |
559 | } | |
560 | } | |
561 | ||
562 | if (S_ISREG(sb.st_mode)) { | |
563 | add_file(td, full_path); | |
2dc1bbeb | 564 | td->o.nr_files++; |
bbf6b540 JA |
565 | continue; |
566 | } | |
0ddb270c JA |
567 | if (!S_ISDIR(sb.st_mode)) |
568 | continue; | |
bbf6b540 | 569 | |
bbf6b540 JA |
570 | if ((ret = recurse_dir(td, full_path)) != 0) |
571 | break; | |
572 | } | |
573 | ||
574 | closedir(D); | |
575 | return ret; | |
576 | } | |
577 | ||
578 | int add_dir_files(struct thread_data *td, const char *path) | |
579 | { | |
0ddb270c JA |
580 | int ret = recurse_dir(td, path); |
581 | ||
582 | if (!ret) | |
583 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
584 | ||
585 | return ret; | |
bbf6b540 | 586 | } |
cade3ef4 JA |
587 | |
588 | void dup_files(struct thread_data *td, struct thread_data *org) | |
589 | { | |
590 | struct fio_file *f; | |
591 | unsigned int i; | |
592 | size_t bytes; | |
593 | ||
594 | if (!org->files) | |
595 | return; | |
596 | ||
597 | bytes = org->files_index * sizeof(*f); | |
598 | td->files = malloc(bytes); | |
599 | memcpy(td->files, org->files, bytes); | |
600 | ||
601 | for_each_file(td, f, i) { | |
602 | if (f->file_name) | |
603 | f->file_name = strdup(f->file_name); | |
604 | } | |
605 | } |