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 | { |
ea443657 | 15 | int r, new_layout = 0, unlink_file = 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; | |
ea443657 JA |
27 | if (td_write(td) && !td->o.overwrite) |
28 | unlink_file = 1; | |
507a702f | 29 | |
ea443657 | 30 | if ((unlink_file || new_layout) && (f->flags & FIO_FILE_EXISTS)) { |
7bb48f84 JA |
31 | if (unlink(f->file_name) < 0) { |
32 | td_verror(td, errno, "unlink"); | |
33 | return 1; | |
34 | } | |
35 | } | |
36 | ||
507a702f JA |
37 | flags = O_WRONLY | O_CREAT; |
38 | if (new_layout) | |
39 | flags |= O_TRUNC; | |
40 | ||
41 | f->fd = open(f->file_name, flags, 0644); | |
53cdc686 | 42 | if (f->fd < 0) { |
e1161c32 | 43 | td_verror(td, errno, "open"); |
53cdc686 JA |
44 | return 1; |
45 | } | |
46 | ||
7bb48f84 | 47 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
e1161c32 | 48 | td_verror(td, errno, "ftruncate"); |
53cdc686 JA |
49 | goto err; |
50 | } | |
51 | ||
e8be2ad7 JA |
52 | if (!new_layout) |
53 | goto done; | |
54 | ||
7bb48f84 | 55 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
e1161c32 | 56 | td_verror(td, errno, "posix_fallocate"); |
40f8298c JA |
57 | goto err; |
58 | } | |
59 | ||
2dc1bbeb JA |
60 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
61 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 62 | |
7bb48f84 | 63 | left = f->real_file_size; |
53cdc686 | 64 | while (left && !td->terminate) { |
2dc1bbeb | 65 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
66 | if (bs > left) |
67 | bs = left; | |
68 | ||
69 | r = write(f->fd, b, bs); | |
70 | ||
71 | if (r == (int) bs) { | |
72 | left -= bs; | |
73 | continue; | |
74 | } else { | |
75 | if (r < 0) | |
e1161c32 | 76 | td_verror(td, errno, "write"); |
53cdc686 | 77 | else |
e1161c32 | 78 | td_verror(td, EIO, "write"); |
53cdc686 JA |
79 | |
80 | break; | |
81 | } | |
82 | } | |
83 | ||
84 | if (td->terminate) | |
85 | unlink(f->file_name); | |
2dc1bbeb | 86 | else if (td->o.create_fsync) |
53cdc686 JA |
87 | fsync(f->fd); |
88 | ||
89 | free(b); | |
507a702f | 90 | done: |
53cdc686 JA |
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 | ||
7bb48f84 | 100 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 101 | { |
9c60ce64 JA |
102 | unsigned long long ret; |
103 | long r; | |
104 | ||
9c60ce64 | 105 | r = os_random_long(&td->file_size_state); |
7bb48f84 | 106 | ret = td->o.file_size_low + (unsigned long long) ((double) td->o.file_size_high * (r / (RAND_MAX + 1.0))); |
2dc1bbeb | 107 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
108 | return ret; |
109 | } | |
110 | ||
53cdc686 JA |
111 | static int file_size(struct thread_data *td, struct fio_file *f) |
112 | { | |
113 | struct stat st; | |
114 | ||
7bb48f84 JA |
115 | if (fstat(f->fd, &st) == -1) { |
116 | td_verror(td, errno, "fstat"); | |
117 | return 1; | |
118 | } | |
53cdc686 | 119 | |
7bb48f84 | 120 | f->real_file_size = st.st_size; |
53cdc686 JA |
121 | return 0; |
122 | } | |
123 | ||
124 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
125 | { | |
126 | unsigned long long bytes; | |
127 | int r; | |
128 | ||
129 | r = blockdev_size(f->fd, &bytes); | |
130 | if (r) { | |
e1161c32 | 131 | td_verror(td, r, "blockdev_size"); |
53cdc686 JA |
132 | return 1; |
133 | } | |
134 | ||
135 | f->real_file_size = bytes; | |
53cdc686 JA |
136 | return 0; |
137 | } | |
138 | ||
139 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
140 | { | |
141 | int ret = 0; | |
142 | ||
409b3417 JA |
143 | if (f->flags & FIO_SIZE_KNOWN) |
144 | return 0; | |
145 | ||
7bb48f84 JA |
146 | if (f->filetype == FIO_TYPE_FILE) |
147 | ret = file_size(td, f); | |
148 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
149 | ret = bdev_size(td, f); |
150 | else | |
151 | f->real_file_size = -1; | |
152 | ||
153 | if (ret) | |
154 | return ret; | |
155 | ||
156 | if (f->file_offset > f->real_file_size) { | |
2dc1bbeb | 157 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size); |
53cdc686 JA |
158 | return 1; |
159 | } | |
160 | ||
409b3417 | 161 | f->flags |= FIO_SIZE_KNOWN; |
53cdc686 JA |
162 | return 0; |
163 | } | |
164 | ||
e5b401d4 JA |
165 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
166 | { | |
167 | int ret = 0; | |
168 | ||
2dc1bbeb | 169 | if (td->o.odirect) |
b5af8293 JA |
170 | return 0; |
171 | ||
e5b401d4 JA |
172 | /* |
173 | * FIXME: add blockdev flushing too | |
174 | */ | |
b5af8293 | 175 | if (f->mmap) |
7bb48f84 | 176 | ret = madvise(f->mmap, f->io_size, MADV_DONTNEED); |
467d1b6b | 177 | else if (f->filetype == FIO_TYPE_FILE) |
7bb48f84 | 178 | ret = fadvise(f->fd, f->file_offset, f->io_size, POSIX_FADV_DONTNEED); |
7e0e25c9 | 179 | else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 180 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 JA |
181 | if (ret < 0 && errno == EACCES && geteuid()) { |
182 | log_err("fio: only root may flush block devices. Cache flush bypassed!\n"); | |
183 | ret = 0; | |
184 | } | |
185 | } else if (f->filetype == FIO_TYPE_CHAR) | |
e5b401d4 JA |
186 | ret = 0; |
187 | ||
188 | if (ret < 0) { | |
e1161c32 | 189 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 JA |
190 | return 1; |
191 | } | |
192 | ||
ad2da605 | 193 | return ret; |
e5b401d4 JA |
194 | } |
195 | ||
b5af8293 | 196 | void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 197 | { |
b5af8293 JA |
198 | close(f->fd); |
199 | f->fd = -1; | |
53cdc686 JA |
200 | } |
201 | ||
b5af8293 | 202 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
53cdc686 | 203 | { |
53cdc686 JA |
204 | int flags = 0; |
205 | ||
2dc1bbeb | 206 | if (td->o.odirect) |
2fd233b7 | 207 | flags |= OS_O_DIRECT; |
2dc1bbeb | 208 | if (td->o.sync_io) |
2fd233b7 | 209 | flags |= O_SYNC; |
53cdc686 | 210 | |
2fd233b7 JA |
211 | if (td_write(td) || td_rw(td)) { |
212 | flags |= O_RDWR; | |
53cdc686 | 213 | |
af52b345 | 214 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 215 | flags |= O_CREAT; |
2fd233b7 | 216 | |
b5af8293 | 217 | f->fd = open(f->file_name, flags, 0600); |
2fd233b7 | 218 | } else { |
af52b345 | 219 | if (f->filetype == FIO_TYPE_CHAR) |
2fd233b7 JA |
220 | flags |= O_RDWR; |
221 | else | |
222 | flags |= O_RDONLY; | |
223 | ||
b5af8293 | 224 | f->fd = open(f->file_name, flags); |
53cdc686 JA |
225 | } |
226 | ||
227 | if (f->fd == -1) { | |
e4e33258 | 228 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
229 | int __e = errno; |
230 | ||
e4e33258 JA |
231 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
232 | ||
233 | td_verror(td, __e, buf); | |
53cdc686 JA |
234 | } |
235 | ||
b5af8293 JA |
236 | if (get_file_size(td, f)) |
237 | goto err; | |
238 | ||
53cdc686 | 239 | return 0; |
b5af8293 JA |
240 | err: |
241 | close(f->fd); | |
242 | return 1; | |
243 | } | |
244 | ||
21972cde JA |
245 | int open_files(struct thread_data *td) |
246 | { | |
247 | struct fio_file *f; | |
af52b345 JA |
248 | unsigned int i; |
249 | int err = 0; | |
21972cde JA |
250 | |
251 | for_each_file(td, f, i) { | |
b5af8293 | 252 | err = td_io_open_file(td, f); |
9bf27b45 JA |
253 | if (err) { |
254 | if (td->error == EMFILE) { | |
255 | log_err("fio: limited open files to: %d\n", td->nr_open_files); | |
256 | td->o.open_files = td->nr_open_files; | |
257 | err = 0; | |
258 | clear_error(td); | |
259 | } | |
21972cde | 260 | break; |
9bf27b45 | 261 | } |
b5af8293 | 262 | |
2dc1bbeb | 263 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 264 | break; |
21972cde JA |
265 | } |
266 | ||
7abf833d JA |
267 | if (!err) |
268 | return 0; | |
269 | ||
bdb4e2e9 | 270 | for_each_file(td, f, i) |
b5af8293 | 271 | td_io_close_file(td, f); |
7abf833d | 272 | |
21972cde JA |
273 | return err; |
274 | } | |
275 | ||
7bb48f84 JA |
276 | /* |
277 | * open/close all files, so that ->real_file_size gets set | |
278 | */ | |
bab3fd58 | 279 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
280 | { |
281 | struct fio_file *f; | |
282 | unsigned int i; | |
bab3fd58 | 283 | int err = 0; |
7bb48f84 JA |
284 | |
285 | for_each_file(td, f, i) { | |
bab3fd58 JA |
286 | if (td->io_ops->open_file(td, f)) { |
287 | log_err("%s\n", td->verror); | |
288 | err = 1; | |
541d66d7 | 289 | clear_error(td); |
bab3fd58 | 290 | } else |
000b0803 | 291 | td->io_ops->close_file(td, f); |
409b3417 JA |
292 | |
293 | if (f->real_file_size == -1ULL && td->o.size) | |
294 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 295 | } |
bab3fd58 JA |
296 | |
297 | return err; | |
7bb48f84 JA |
298 | } |
299 | ||
300 | /* | |
301 | * Open the files and setup files sizes, creating files if necessary. | |
302 | */ | |
53cdc686 JA |
303 | int setup_files(struct thread_data *td) |
304 | { | |
7bb48f84 | 305 | unsigned long long total_size, extend_size; |
53cdc686 | 306 | struct fio_file *f; |
af52b345 | 307 | unsigned int i; |
000b0803 | 308 | int err = 0, need_extend; |
53cdc686 JA |
309 | |
310 | /* | |
311 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
312 | * opening the files and setting f->real_file_size to indicate |
313 | * the valid range for that file. | |
53cdc686 JA |
314 | */ |
315 | if (td->io_ops->setup) | |
7bb48f84 JA |
316 | err = td->io_ops->setup(td); |
317 | else | |
bab3fd58 | 318 | err = get_file_sizes(td); |
53cdc686 | 319 | |
f1027063 JA |
320 | if (err) |
321 | return err; | |
322 | ||
0a7eb121 | 323 | /* |
7bb48f84 JA |
324 | * check sizes. if the files/devices do not exist and the size |
325 | * isn't passed to fio, abort. | |
0a7eb121 | 326 | */ |
7bb48f84 JA |
327 | total_size = 0; |
328 | for_each_file(td, f, i) { | |
329 | if (f->real_file_size == -1ULL) | |
330 | total_size = -1ULL; | |
331 | else | |
332 | total_size += f->real_file_size; | |
333 | } | |
0a7eb121 | 334 | |
7bb48f84 JA |
335 | /* |
336 | * device/file sizes are zero and no size given, punt | |
337 | */ | |
409b3417 | 338 | if ((!total_size || total_size == -1ULL) && !td->o.size) { |
7bb48f84 | 339 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 340 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
341 | return 1; |
342 | } | |
343 | ||
7bb48f84 JA |
344 | /* |
345 | * now file sizes are known, so we can set ->io_size. if size= is | |
346 | * not given, ->io_size is just equal to ->real_file_size. if size | |
347 | * is given, ->io_size is size / nr_files. | |
348 | */ | |
349 | extend_size = total_size = 0; | |
350 | need_extend = 0; | |
351 | for_each_file(td, f, i) { | |
352 | if (!td->o.file_size_low) { | |
353 | /* | |
354 | * no file size range given, file size is equal to | |
355 | * total size divided by number of files. if that is | |
356 | * zero, set it to the real file size. | |
357 | */ | |
358 | f->io_size = td->o.size / td->o.nr_files; | |
359 | if (!f->io_size) | |
360 | f->io_size = f->real_file_size; | |
361 | } else if (f->real_file_size < td->o.file_size_low || | |
362 | f->real_file_size > td->o.file_size_high) { | |
363 | /* | |
364 | * file size given. if it's fixed, use that. if it's a | |
365 | * range, generate a random size in-between. | |
366 | */ | |
367 | if (td->o.file_size_low == td->o.file_size_high) | |
368 | f->io_size = td->o.file_size_low; | |
369 | else | |
370 | f->io_size = get_rand_file_size(td); | |
371 | } else | |
372 | f->io_size = f->real_file_size; | |
53cdc686 | 373 | |
7bb48f84 JA |
374 | if (f->io_size == -1ULL) |
375 | total_size = -1ULL; | |
376 | else | |
377 | total_size += f->io_size; | |
378 | ||
379 | if (f->filetype == FIO_TYPE_FILE && | |
380 | f->io_size > f->real_file_size && | |
381 | !(td->io_ops->flags & FIO_DISKLESSIO)) { | |
382 | need_extend++; | |
383 | extend_size += f->io_size; | |
384 | f->flags |= FIO_FILE_EXTEND; | |
385 | } | |
386 | } | |
53cdc686 | 387 | |
7bb48f84 JA |
388 | if (!td->o.size) |
389 | td->o.size = total_size; | |
21972cde | 390 | |
7bb48f84 JA |
391 | /* |
392 | * See if we need to extend some files | |
393 | */ | |
394 | if (need_extend) { | |
395 | temp_stall_ts = 1; | |
396 | log_info("%s: Laying out IO file(s) (%u files / %LuMiB)\n", | |
397 | td->o.name, need_extend, extend_size >> 20); | |
398 | ||
399 | for_each_file(td, f, i) { | |
400 | if (!(f->flags & FIO_FILE_EXTEND)) | |
401 | continue; | |
402 | ||
409b3417 | 403 | assert(f->filetype == FIO_TYPE_FILE); |
7bb48f84 JA |
404 | f->flags &= ~FIO_FILE_EXTEND; |
405 | f->real_file_size = f->io_size; | |
406 | err = extend_file(td, f); | |
407 | if (err) | |
408 | break; | |
409 | } | |
410 | temp_stall_ts = 0; | |
411 | } | |
412 | ||
413 | if (err) | |
414 | return err; | |
415 | ||
416 | if (!td->o.zone_size) | |
417 | td->o.zone_size = td->o.size; | |
418 | ||
419 | td->total_io_size = td->o.size * td->o.loops; | |
420 | return 0; | |
53cdc686 JA |
421 | } |
422 | ||
68727076 JA |
423 | int init_random_map(struct thread_data *td) |
424 | { | |
425 | int num_maps, blocks; | |
426 | struct fio_file *f; | |
427 | unsigned int i; | |
428 | ||
429 | if (td->o.norandommap) | |
430 | return 0; | |
431 | ||
432 | for_each_file(td, f, i) { | |
433 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / td->o.rw_min_bs; | |
434 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; | |
435 | f->file_map = malloc(num_maps * sizeof(long)); | |
436 | if (!f->file_map) { | |
437 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
438 | return 1; | |
439 | } | |
440 | f->num_maps = num_maps; | |
441 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
442 | } | |
443 | ||
444 | return 0; | |
445 | } | |
446 | ||
53cdc686 JA |
447 | void close_files(struct thread_data *td) |
448 | { | |
0ab8db89 | 449 | struct fio_file *f; |
af52b345 | 450 | unsigned int i; |
53cdc686 | 451 | |
0ab8db89 | 452 | for_each_file(td, f, i) { |
fa1da865 JA |
453 | if ((f->flags & FIO_FILE_UNLINK) && |
454 | f->filetype == FIO_TYPE_FILE) | |
132ad46d | 455 | unlink(f->file_name); |
bdb4e2e9 | 456 | |
b5af8293 | 457 | td_io_close_file(td, f); |
b3dc7f07 | 458 | |
fa1da865 JA |
459 | free(f->file_name); |
460 | f->file_name = NULL; | |
461 | ||
c343981b | 462 | if (f->file_map) { |
b3dc7f07 | 463 | free(f->file_map); |
c343981b JA |
464 | f->file_map = NULL; |
465 | } | |
53cdc686 | 466 | } |
b4a6a59a | 467 | |
2dc1bbeb | 468 | td->o.filename = NULL; |
cade3ef4 | 469 | free(td->files); |
b4a6a59a | 470 | td->files = NULL; |
2dc1bbeb | 471 | td->o.nr_files = 0; |
53cdc686 | 472 | } |
af52b345 | 473 | |
e3bab463 | 474 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
475 | { |
476 | struct stat sb; | |
477 | ||
478 | f->filetype = FIO_TYPE_FILE; | |
479 | ||
e3bab463 | 480 | if (!lstat(f->file_name, &sb)) { |
af52b345 JA |
481 | if (S_ISBLK(sb.st_mode)) |
482 | f->filetype = FIO_TYPE_BD; | |
483 | else if (S_ISCHR(sb.st_mode)) | |
484 | f->filetype = FIO_TYPE_CHAR; | |
485 | } | |
486 | } | |
487 | ||
488 | void add_file(struct thread_data *td, const char *fname) | |
489 | { | |
7b4e4fe5 | 490 | int cur_files = td->files_index; |
bd0ee748 | 491 | char file_name[PATH_MAX]; |
af52b345 | 492 | struct fio_file *f; |
bd0ee748 | 493 | int len = 0; |
af52b345 JA |
494 | |
495 | td->files = realloc(td->files, (cur_files + 1) * sizeof(*f)); | |
496 | ||
497 | f = &td->files[cur_files]; | |
498 | memset(f, 0, sizeof(*f)); | |
499 | f->fd = -1; | |
bd0ee748 JA |
500 | |
501 | if (td->o.directory) | |
502 | len = sprintf(file_name, "%s/", td->o.directory); | |
503 | ||
504 | sprintf(file_name + len, "%s", fname); | |
505 | f->file_name = strdup(file_name); | |
af52b345 | 506 | |
e3bab463 | 507 | get_file_type(f); |
af52b345 | 508 | |
7b4e4fe5 | 509 | td->files_index++; |
1549441c JA |
510 | if (f->filetype == FIO_TYPE_FILE) |
511 | td->nr_normal_files++; | |
af52b345 | 512 | } |
0ad920e7 JA |
513 | |
514 | void get_file(struct fio_file *f) | |
515 | { | |
516 | f->references++; | |
517 | } | |
518 | ||
519 | void put_file(struct thread_data *td, struct fio_file *f) | |
520 | { | |
521 | if (!(f->flags & FIO_FILE_OPEN)) | |
522 | return; | |
523 | ||
524 | assert(f->references); | |
525 | if (--f->references) | |
526 | return; | |
527 | ||
2dc1bbeb | 528 | if (should_fsync(td) && td->o.fsync_on_close) |
ebb1415f JA |
529 | fsync(f->fd); |
530 | ||
0ad920e7 JA |
531 | if (td->io_ops->close_file) |
532 | td->io_ops->close_file(td, f); | |
1020a139 | 533 | |
0ad920e7 JA |
534 | td->nr_open_files--; |
535 | f->flags &= ~FIO_FILE_OPEN; | |
536 | } | |
bbf6b540 JA |
537 | |
538 | static int recurse_dir(struct thread_data *td, const char *dirname) | |
539 | { | |
540 | struct dirent *dir; | |
541 | int ret = 0; | |
542 | DIR *D; | |
543 | ||
544 | D = opendir(dirname); | |
545 | if (!D) { | |
0ddb270c JA |
546 | char buf[FIO_VERROR_SIZE]; |
547 | ||
548 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
549 | td_verror(td, errno, buf); | |
bbf6b540 JA |
550 | return 1; |
551 | } | |
552 | ||
553 | while ((dir = readdir(D)) != NULL) { | |
554 | char full_path[PATH_MAX]; | |
555 | struct stat sb; | |
556 | ||
e85b2b83 JA |
557 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
558 | continue; | |
96d32d51 | 559 | |
bbf6b540 JA |
560 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
561 | ||
562 | if (lstat(full_path, &sb) == -1) { | |
563 | if (errno != ENOENT) { | |
564 | td_verror(td, errno, "stat"); | |
565 | return 1; | |
566 | } | |
567 | } | |
568 | ||
569 | if (S_ISREG(sb.st_mode)) { | |
570 | add_file(td, full_path); | |
2dc1bbeb | 571 | td->o.nr_files++; |
bbf6b540 JA |
572 | continue; |
573 | } | |
0ddb270c JA |
574 | if (!S_ISDIR(sb.st_mode)) |
575 | continue; | |
bbf6b540 | 576 | |
bbf6b540 JA |
577 | if ((ret = recurse_dir(td, full_path)) != 0) |
578 | break; | |
579 | } | |
580 | ||
581 | closedir(D); | |
582 | return ret; | |
583 | } | |
584 | ||
585 | int add_dir_files(struct thread_data *td, const char *path) | |
586 | { | |
0ddb270c JA |
587 | int ret = recurse_dir(td, path); |
588 | ||
589 | if (!ret) | |
590 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
591 | ||
592 | return ret; | |
bbf6b540 | 593 | } |
cade3ef4 JA |
594 | |
595 | void dup_files(struct thread_data *td, struct thread_data *org) | |
596 | { | |
597 | struct fio_file *f; | |
598 | unsigned int i; | |
599 | size_t bytes; | |
600 | ||
601 | if (!org->files) | |
602 | return; | |
603 | ||
604 | bytes = org->files_index * sizeof(*f); | |
605 | td->files = malloc(bytes); | |
606 | memcpy(td->files, org->files, bytes); | |
607 | ||
608 | for_each_file(td, f, i) { | |
609 | if (f->file_name) | |
610 | f->file_name = strdup(f->file_name); | |
611 | } | |
612 | } |