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" | |
53cdc686 | 11 | |
7bb48f84 | 12 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 13 | { |
ea443657 | 14 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
15 | unsigned long long left; |
16 | unsigned int bs; | |
17 | char *b; | |
b2a15192 | 18 | |
507a702f JA |
19 | /* |
20 | * check if we need to lay the file out complete again. fio | |
21 | * does that for operations involving reads, or for writes | |
22 | * where overwrite is set | |
23 | */ | |
24 | if (td_read(td) || (td_write(td) && td->o.overwrite)) | |
25 | new_layout = 1; | |
ea443657 JA |
26 | if (td_write(td) && !td->o.overwrite) |
27 | unlink_file = 1; | |
507a702f | 28 | |
ea443657 | 29 | if ((unlink_file || new_layout) && (f->flags & FIO_FILE_EXISTS)) { |
7bb48f84 JA |
30 | if (unlink(f->file_name) < 0) { |
31 | td_verror(td, errno, "unlink"); | |
32 | return 1; | |
33 | } | |
34 | } | |
35 | ||
507a702f JA |
36 | flags = O_WRONLY | O_CREAT; |
37 | if (new_layout) | |
38 | flags |= O_TRUNC; | |
39 | ||
40 | f->fd = open(f->file_name, flags, 0644); | |
53cdc686 | 41 | if (f->fd < 0) { |
e1161c32 | 42 | td_verror(td, errno, "open"); |
53cdc686 JA |
43 | return 1; |
44 | } | |
45 | ||
7bb48f84 | 46 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
e1161c32 | 47 | td_verror(td, errno, "ftruncate"); |
53cdc686 JA |
48 | goto err; |
49 | } | |
50 | ||
e8be2ad7 JA |
51 | if (!new_layout) |
52 | goto done; | |
53 | ||
7bb48f84 | 54 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
e1161c32 | 55 | td_verror(td, errno, "posix_fallocate"); |
40f8298c JA |
56 | goto err; |
57 | } | |
58 | ||
2dc1bbeb JA |
59 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
60 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 61 | |
7bb48f84 | 62 | left = f->real_file_size; |
53cdc686 | 63 | while (left && !td->terminate) { |
2dc1bbeb | 64 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
65 | if (bs > left) |
66 | bs = left; | |
67 | ||
68 | r = write(f->fd, b, bs); | |
69 | ||
70 | if (r == (int) bs) { | |
71 | left -= bs; | |
72 | continue; | |
73 | } else { | |
74 | if (r < 0) | |
e1161c32 | 75 | td_verror(td, errno, "write"); |
53cdc686 | 76 | else |
e1161c32 | 77 | td_verror(td, EIO, "write"); |
53cdc686 JA |
78 | |
79 | break; | |
80 | } | |
81 | } | |
82 | ||
83 | if (td->terminate) | |
84 | unlink(f->file_name); | |
2dc1bbeb | 85 | else if (td->o.create_fsync) |
53cdc686 JA |
86 | fsync(f->fd); |
87 | ||
88 | free(b); | |
507a702f | 89 | done: |
53cdc686 JA |
90 | close(f->fd); |
91 | f->fd = -1; | |
92 | return 0; | |
93 | err: | |
94 | close(f->fd); | |
95 | f->fd = -1; | |
96 | return 1; | |
97 | } | |
98 | ||
7bb48f84 | 99 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 100 | { |
9c60ce64 JA |
101 | unsigned long long ret; |
102 | long r; | |
103 | ||
9c60ce64 | 104 | r = os_random_long(&td->file_size_state); |
7bb48f84 | 105 | ret = td->o.file_size_low + (unsigned long long) ((double) td->o.file_size_high * (r / (RAND_MAX + 1.0))); |
2dc1bbeb | 106 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
107 | return ret; |
108 | } | |
109 | ||
53cdc686 JA |
110 | static int file_size(struct thread_data *td, struct fio_file *f) |
111 | { | |
112 | struct stat st; | |
113 | ||
7bb48f84 JA |
114 | if (fstat(f->fd, &st) == -1) { |
115 | td_verror(td, errno, "fstat"); | |
116 | return 1; | |
117 | } | |
53cdc686 | 118 | |
7bb48f84 | 119 | f->real_file_size = st.st_size; |
53cdc686 JA |
120 | return 0; |
121 | } | |
122 | ||
123 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
124 | { | |
125 | unsigned long long bytes; | |
126 | int r; | |
127 | ||
128 | r = blockdev_size(f->fd, &bytes); | |
129 | if (r) { | |
e1161c32 | 130 | td_verror(td, r, "blockdev_size"); |
53cdc686 JA |
131 | return 1; |
132 | } | |
133 | ||
134 | f->real_file_size = bytes; | |
53cdc686 JA |
135 | return 0; |
136 | } | |
137 | ||
138 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
139 | { | |
140 | int ret = 0; | |
141 | ||
409b3417 JA |
142 | if (f->flags & FIO_SIZE_KNOWN) |
143 | return 0; | |
144 | ||
7bb48f84 JA |
145 | if (f->filetype == FIO_TYPE_FILE) |
146 | ret = file_size(td, f); | |
147 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
148 | ret = bdev_size(td, f); |
149 | else | |
150 | f->real_file_size = -1; | |
151 | ||
152 | if (ret) | |
153 | return ret; | |
154 | ||
155 | if (f->file_offset > f->real_file_size) { | |
2dc1bbeb | 156 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size); |
53cdc686 JA |
157 | return 1; |
158 | } | |
159 | ||
409b3417 | 160 | f->flags |= FIO_SIZE_KNOWN; |
53cdc686 JA |
161 | return 0; |
162 | } | |
163 | ||
e5b401d4 JA |
164 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
165 | { | |
166 | int ret = 0; | |
167 | ||
2dc1bbeb | 168 | if (td->o.odirect) |
b5af8293 JA |
169 | return 0; |
170 | ||
e5b401d4 JA |
171 | /* |
172 | * FIXME: add blockdev flushing too | |
173 | */ | |
b5af8293 | 174 | if (f->mmap) |
7bb48f84 | 175 | ret = madvise(f->mmap, f->io_size, MADV_DONTNEED); |
467d1b6b | 176 | else if (f->filetype == FIO_TYPE_FILE) |
7bb48f84 | 177 | ret = fadvise(f->fd, f->file_offset, f->io_size, POSIX_FADV_DONTNEED); |
7e0e25c9 | 178 | else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 179 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 JA |
180 | if (ret < 0 && errno == EACCES && geteuid()) { |
181 | log_err("fio: only root may flush block devices. Cache flush bypassed!\n"); | |
182 | ret = 0; | |
183 | } | |
b5605e9d | 184 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
185 | ret = 0; |
186 | ||
187 | if (ret < 0) { | |
e1161c32 | 188 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 JA |
189 | return 1; |
190 | } | |
191 | ||
ad2da605 | 192 | return ret; |
e5b401d4 JA |
193 | } |
194 | ||
b5af8293 | 195 | void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 196 | { |
b5af8293 JA |
197 | close(f->fd); |
198 | f->fd = -1; | |
53cdc686 JA |
199 | } |
200 | ||
b5af8293 | 201 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
53cdc686 | 202 | { |
53cdc686 JA |
203 | int flags = 0; |
204 | ||
2dc1bbeb | 205 | if (td->o.odirect) |
2fd233b7 | 206 | flags |= OS_O_DIRECT; |
2dc1bbeb | 207 | if (td->o.sync_io) |
2fd233b7 | 208 | flags |= O_SYNC; |
53cdc686 | 209 | |
2fd233b7 JA |
210 | if (td_write(td) || td_rw(td)) { |
211 | flags |= O_RDWR; | |
53cdc686 | 212 | |
af52b345 | 213 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 214 | flags |= O_CREAT; |
2fd233b7 | 215 | |
b5af8293 | 216 | f->fd = open(f->file_name, flags, 0600); |
2fd233b7 | 217 | } else { |
af52b345 | 218 | if (f->filetype == FIO_TYPE_CHAR) |
2fd233b7 JA |
219 | flags |= O_RDWR; |
220 | else | |
221 | flags |= O_RDONLY; | |
222 | ||
b5af8293 | 223 | f->fd = open(f->file_name, flags); |
53cdc686 JA |
224 | } |
225 | ||
226 | if (f->fd == -1) { | |
e4e33258 | 227 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
228 | int __e = errno; |
229 | ||
e4e33258 JA |
230 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
231 | ||
232 | td_verror(td, __e, buf); | |
53cdc686 JA |
233 | } |
234 | ||
b5af8293 JA |
235 | if (get_file_size(td, f)) |
236 | goto err; | |
237 | ||
53cdc686 | 238 | return 0; |
b5af8293 JA |
239 | err: |
240 | close(f->fd); | |
241 | return 1; | |
242 | } | |
243 | ||
21972cde JA |
244 | int open_files(struct thread_data *td) |
245 | { | |
246 | struct fio_file *f; | |
af52b345 JA |
247 | unsigned int i; |
248 | int err = 0; | |
21972cde JA |
249 | |
250 | for_each_file(td, f, i) { | |
b5af8293 | 251 | err = td_io_open_file(td, f); |
9bf27b45 JA |
252 | if (err) { |
253 | if (td->error == EMFILE) { | |
254 | log_err("fio: limited open files to: %d\n", td->nr_open_files); | |
255 | td->o.open_files = td->nr_open_files; | |
256 | err = 0; | |
257 | clear_error(td); | |
258 | } | |
21972cde | 259 | break; |
9bf27b45 | 260 | } |
b5af8293 | 261 | |
2dc1bbeb | 262 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 263 | break; |
21972cde JA |
264 | } |
265 | ||
7abf833d JA |
266 | if (!err) |
267 | return 0; | |
268 | ||
bdb4e2e9 | 269 | for_each_file(td, f, i) |
b5af8293 | 270 | td_io_close_file(td, f); |
7abf833d | 271 | |
21972cde JA |
272 | return err; |
273 | } | |
274 | ||
7bb48f84 JA |
275 | /* |
276 | * open/close all files, so that ->real_file_size gets set | |
277 | */ | |
bab3fd58 | 278 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
279 | { |
280 | struct fio_file *f; | |
281 | unsigned int i; | |
bab3fd58 | 282 | int err = 0; |
7bb48f84 JA |
283 | |
284 | for_each_file(td, f, i) { | |
bab3fd58 | 285 | if (td->io_ops->open_file(td, f)) { |
40b44f4a JA |
286 | if (td->error != ENOENT) { |
287 | log_err("%s\n", td->verror); | |
288 | err = 1; | |
289 | } | |
541d66d7 | 290 | clear_error(td); |
07eb79df JA |
291 | } else { |
292 | if (td->io_ops->close_file) | |
293 | td->io_ops->close_file(td, f); | |
294 | } | |
409b3417 JA |
295 | |
296 | if (f->real_file_size == -1ULL && td->o.size) | |
297 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 298 | } |
bab3fd58 JA |
299 | |
300 | return err; | |
7bb48f84 JA |
301 | } |
302 | ||
303 | /* | |
304 | * Open the files and setup files sizes, creating files if necessary. | |
305 | */ | |
53cdc686 JA |
306 | int setup_files(struct thread_data *td) |
307 | { | |
7bb48f84 | 308 | unsigned long long total_size, extend_size; |
53cdc686 | 309 | struct fio_file *f; |
af52b345 | 310 | unsigned int i; |
000b0803 | 311 | int err = 0, need_extend; |
53cdc686 JA |
312 | |
313 | /* | |
314 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
315 | * opening the files and setting f->real_file_size to indicate |
316 | * the valid range for that file. | |
53cdc686 JA |
317 | */ |
318 | if (td->io_ops->setup) | |
7bb48f84 JA |
319 | err = td->io_ops->setup(td); |
320 | else | |
bab3fd58 | 321 | err = get_file_sizes(td); |
53cdc686 | 322 | |
f1027063 JA |
323 | if (err) |
324 | return err; | |
325 | ||
0a7eb121 | 326 | /* |
7bb48f84 JA |
327 | * check sizes. if the files/devices do not exist and the size |
328 | * isn't passed to fio, abort. | |
0a7eb121 | 329 | */ |
7bb48f84 JA |
330 | total_size = 0; |
331 | for_each_file(td, f, i) { | |
332 | if (f->real_file_size == -1ULL) | |
333 | total_size = -1ULL; | |
334 | else | |
335 | total_size += f->real_file_size; | |
336 | } | |
0a7eb121 | 337 | |
7bb48f84 JA |
338 | /* |
339 | * device/file sizes are zero and no size given, punt | |
340 | */ | |
409b3417 | 341 | if ((!total_size || total_size == -1ULL) && !td->o.size) { |
7bb48f84 | 342 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 343 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
344 | return 1; |
345 | } | |
346 | ||
7bb48f84 JA |
347 | /* |
348 | * now file sizes are known, so we can set ->io_size. if size= is | |
349 | * not given, ->io_size is just equal to ->real_file_size. if size | |
350 | * is given, ->io_size is size / nr_files. | |
351 | */ | |
352 | extend_size = total_size = 0; | |
353 | need_extend = 0; | |
354 | for_each_file(td, f, i) { | |
355 | if (!td->o.file_size_low) { | |
356 | /* | |
357 | * no file size range given, file size is equal to | |
358 | * total size divided by number of files. if that is | |
359 | * zero, set it to the real file size. | |
360 | */ | |
361 | f->io_size = td->o.size / td->o.nr_files; | |
362 | if (!f->io_size) | |
363 | f->io_size = f->real_file_size; | |
364 | } else if (f->real_file_size < td->o.file_size_low || | |
365 | f->real_file_size > td->o.file_size_high) { | |
366 | /* | |
367 | * file size given. if it's fixed, use that. if it's a | |
368 | * range, generate a random size in-between. | |
369 | */ | |
370 | if (td->o.file_size_low == td->o.file_size_high) | |
371 | f->io_size = td->o.file_size_low; | |
372 | else | |
373 | f->io_size = get_rand_file_size(td); | |
374 | } else | |
375 | f->io_size = f->real_file_size; | |
53cdc686 | 376 | |
7bb48f84 JA |
377 | if (f->io_size == -1ULL) |
378 | total_size = -1ULL; | |
379 | else | |
380 | total_size += f->io_size; | |
381 | ||
382 | if (f->filetype == FIO_TYPE_FILE && | |
383 | f->io_size > f->real_file_size && | |
384 | !(td->io_ops->flags & FIO_DISKLESSIO)) { | |
385 | need_extend++; | |
386 | extend_size += f->io_size; | |
387 | f->flags |= FIO_FILE_EXTEND; | |
388 | } | |
389 | } | |
53cdc686 | 390 | |
7bb48f84 JA |
391 | if (!td->o.size) |
392 | td->o.size = total_size; | |
21972cde | 393 | |
7bb48f84 JA |
394 | /* |
395 | * See if we need to extend some files | |
396 | */ | |
397 | if (need_extend) { | |
398 | temp_stall_ts = 1; | |
399 | log_info("%s: Laying out IO file(s) (%u files / %LuMiB)\n", | |
400 | td->o.name, need_extend, extend_size >> 20); | |
401 | ||
402 | for_each_file(td, f, i) { | |
403 | if (!(f->flags & FIO_FILE_EXTEND)) | |
404 | continue; | |
405 | ||
409b3417 | 406 | assert(f->filetype == FIO_TYPE_FILE); |
7bb48f84 JA |
407 | f->flags &= ~FIO_FILE_EXTEND; |
408 | f->real_file_size = f->io_size; | |
409 | err = extend_file(td, f); | |
410 | if (err) | |
411 | break; | |
412 | } | |
413 | temp_stall_ts = 0; | |
414 | } | |
415 | ||
416 | if (err) | |
417 | return err; | |
418 | ||
419 | if (!td->o.zone_size) | |
420 | td->o.zone_size = td->o.size; | |
421 | ||
422 | td->total_io_size = td->o.size * td->o.loops; | |
423 | return 0; | |
53cdc686 JA |
424 | } |
425 | ||
68727076 JA |
426 | int init_random_map(struct thread_data *td) |
427 | { | |
428 | int num_maps, blocks; | |
429 | struct fio_file *f; | |
430 | unsigned int i; | |
431 | ||
432 | if (td->o.norandommap) | |
433 | return 0; | |
434 | ||
435 | for_each_file(td, f, i) { | |
436 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / td->o.rw_min_bs; | |
437 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; | |
438 | f->file_map = malloc(num_maps * sizeof(long)); | |
439 | if (!f->file_map) { | |
440 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
441 | return 1; | |
442 | } | |
443 | f->num_maps = num_maps; | |
444 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
445 | } | |
446 | ||
447 | return 0; | |
448 | } | |
449 | ||
53cdc686 JA |
450 | void close_files(struct thread_data *td) |
451 | { | |
0ab8db89 | 452 | struct fio_file *f; |
af52b345 | 453 | unsigned int i; |
53cdc686 | 454 | |
0ab8db89 | 455 | for_each_file(td, f, i) { |
fa1da865 JA |
456 | if ((f->flags & FIO_FILE_UNLINK) && |
457 | f->filetype == FIO_TYPE_FILE) | |
132ad46d | 458 | unlink(f->file_name); |
bdb4e2e9 | 459 | |
b5af8293 | 460 | td_io_close_file(td, f); |
b3dc7f07 | 461 | |
fa1da865 JA |
462 | free(f->file_name); |
463 | f->file_name = NULL; | |
464 | ||
c343981b | 465 | if (f->file_map) { |
b3dc7f07 | 466 | free(f->file_map); |
c343981b JA |
467 | f->file_map = NULL; |
468 | } | |
53cdc686 | 469 | } |
b4a6a59a | 470 | |
2dc1bbeb | 471 | td->o.filename = NULL; |
cade3ef4 | 472 | free(td->files); |
b4a6a59a | 473 | td->files = NULL; |
2dc1bbeb | 474 | td->o.nr_files = 0; |
53cdc686 | 475 | } |
af52b345 | 476 | |
e3bab463 | 477 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
478 | { |
479 | struct stat sb; | |
480 | ||
481 | f->filetype = FIO_TYPE_FILE; | |
482 | ||
e3bab463 | 483 | if (!lstat(f->file_name, &sb)) { |
af52b345 JA |
484 | if (S_ISBLK(sb.st_mode)) |
485 | f->filetype = FIO_TYPE_BD; | |
486 | else if (S_ISCHR(sb.st_mode)) | |
487 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
488 | else if (S_ISFIFO(sb.st_mode)) |
489 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
490 | } |
491 | } | |
492 | ||
493 | void add_file(struct thread_data *td, const char *fname) | |
494 | { | |
7b4e4fe5 | 495 | int cur_files = td->files_index; |
bd0ee748 | 496 | char file_name[PATH_MAX]; |
af52b345 | 497 | struct fio_file *f; |
bd0ee748 | 498 | int len = 0; |
af52b345 JA |
499 | |
500 | td->files = realloc(td->files, (cur_files + 1) * sizeof(*f)); | |
501 | ||
502 | f = &td->files[cur_files]; | |
503 | memset(f, 0, sizeof(*f)); | |
504 | f->fd = -1; | |
bd0ee748 | 505 | |
07eb79df JA |
506 | /* |
507 | * init function, io engine may not be loaded yet | |
508 | */ | |
509 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
510 | f->real_file_size = -1ULL; | |
511 | ||
bd0ee748 JA |
512 | if (td->o.directory) |
513 | len = sprintf(file_name, "%s/", td->o.directory); | |
514 | ||
515 | sprintf(file_name + len, "%s", fname); | |
516 | f->file_name = strdup(file_name); | |
af52b345 | 517 | |
e3bab463 | 518 | get_file_type(f); |
af52b345 | 519 | |
7b4e4fe5 | 520 | td->files_index++; |
1549441c JA |
521 | if (f->filetype == FIO_TYPE_FILE) |
522 | td->nr_normal_files++; | |
af52b345 | 523 | } |
0ad920e7 JA |
524 | |
525 | void get_file(struct fio_file *f) | |
526 | { | |
527 | f->references++; | |
528 | } | |
529 | ||
530 | void put_file(struct thread_data *td, struct fio_file *f) | |
531 | { | |
532 | if (!(f->flags & FIO_FILE_OPEN)) | |
533 | return; | |
534 | ||
535 | assert(f->references); | |
536 | if (--f->references) | |
537 | return; | |
538 | ||
2dc1bbeb | 539 | if (should_fsync(td) && td->o.fsync_on_close) |
ebb1415f JA |
540 | fsync(f->fd); |
541 | ||
0ad920e7 JA |
542 | if (td->io_ops->close_file) |
543 | td->io_ops->close_file(td, f); | |
1020a139 | 544 | |
0ad920e7 JA |
545 | td->nr_open_files--; |
546 | f->flags &= ~FIO_FILE_OPEN; | |
547 | } | |
bbf6b540 JA |
548 | |
549 | static int recurse_dir(struct thread_data *td, const char *dirname) | |
550 | { | |
551 | struct dirent *dir; | |
552 | int ret = 0; | |
553 | DIR *D; | |
554 | ||
555 | D = opendir(dirname); | |
556 | if (!D) { | |
0ddb270c JA |
557 | char buf[FIO_VERROR_SIZE]; |
558 | ||
559 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
560 | td_verror(td, errno, buf); | |
bbf6b540 JA |
561 | return 1; |
562 | } | |
563 | ||
564 | while ((dir = readdir(D)) != NULL) { | |
565 | char full_path[PATH_MAX]; | |
566 | struct stat sb; | |
567 | ||
e85b2b83 JA |
568 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
569 | continue; | |
96d32d51 | 570 | |
bbf6b540 JA |
571 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
572 | ||
573 | if (lstat(full_path, &sb) == -1) { | |
574 | if (errno != ENOENT) { | |
575 | td_verror(td, errno, "stat"); | |
576 | return 1; | |
577 | } | |
578 | } | |
579 | ||
580 | if (S_ISREG(sb.st_mode)) { | |
581 | add_file(td, full_path); | |
2dc1bbeb | 582 | td->o.nr_files++; |
bbf6b540 JA |
583 | continue; |
584 | } | |
0ddb270c JA |
585 | if (!S_ISDIR(sb.st_mode)) |
586 | continue; | |
bbf6b540 | 587 | |
bbf6b540 JA |
588 | if ((ret = recurse_dir(td, full_path)) != 0) |
589 | break; | |
590 | } | |
591 | ||
592 | closedir(D); | |
593 | return ret; | |
594 | } | |
595 | ||
596 | int add_dir_files(struct thread_data *td, const char *path) | |
597 | { | |
0ddb270c JA |
598 | int ret = recurse_dir(td, path); |
599 | ||
600 | if (!ret) | |
601 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
602 | ||
603 | return ret; | |
bbf6b540 | 604 | } |
cade3ef4 JA |
605 | |
606 | void dup_files(struct thread_data *td, struct thread_data *org) | |
607 | { | |
608 | struct fio_file *f; | |
609 | unsigned int i; | |
610 | size_t bytes; | |
611 | ||
612 | if (!org->files) | |
613 | return; | |
614 | ||
615 | bytes = org->files_index * sizeof(*f); | |
616 | td->files = malloc(bytes); | |
617 | memcpy(td->files, org->files, bytes); | |
618 | ||
619 | for_each_file(td, f, i) { | |
620 | if (f->file_name) | |
621 | f->file_name = strdup(f->file_name); | |
622 | } | |
623 | } |