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 | |
1549441c JA |
158 | if (f->filetype != FIO_TYPE_FILE) |
159 | continue; | |
160 | ||
96d32d51 JA |
161 | if (f->flags & FIO_FILE_EXISTS) { |
162 | s = f->file_size; | |
163 | if (s > total_file_size) | |
164 | s = total_file_size; | |
165 | ||
166 | total_file_size -= s; | |
e407bec2 JA |
167 | } else |
168 | new_files++; | |
1549441c | 169 | } |
f697125a | 170 | |
53cdc686 JA |
171 | /* |
172 | * unless specifically asked for overwrite, let normal io extend it | |
173 | */ | |
2dc1bbeb | 174 | can_extend = !td->o.overwrite && !(td->io_ops->flags & FIO_NOEXTEND); |
68727076 JA |
175 | if (can_extend) { |
176 | for_each_file(td, f, i) { | |
177 | if (fill_file_size(td, f, &total_file_size, new_files)) { | |
178 | log_info("fio: limited to %d files\n", i); | |
179 | td->o.nr_files = i; | |
180 | break; | |
181 | } | |
182 | } | |
183 | ||
53cdc686 | 184 | return 0; |
68727076 | 185 | } |
53cdc686 | 186 | |
9c60ce64 JA |
187 | local_file_size = total_file_size; |
188 | if (!local_file_size) | |
189 | local_file_size = -1; | |
190 | ||
f4c4f4d7 JA |
191 | total_file_size = 0; |
192 | need_create = 0; | |
e8be395b | 193 | create_size = 0; |
af52b345 JA |
194 | for_each_file(td, f, i) { |
195 | int file_there; | |
196 | ||
197 | if (f->filetype != FIO_TYPE_FILE) | |
198 | continue; | |
f4c4f4d7 JA |
199 | if (f->flags & FIO_FILE_EXISTS) { |
200 | total_file_size += f->file_size; | |
96d32d51 | 201 | continue; |
f4c4f4d7 | 202 | } |
96d32d51 | 203 | |
68727076 JA |
204 | if (fill_file_size(td, f, &local_file_size, new_files)) { |
205 | log_info("fio: limited to %d files\n", i); | |
206 | new_files -= (td->o.nr_files - i); | |
207 | td->o.nr_files = i; | |
208 | break; | |
9c60ce64 | 209 | } |
eff6861d | 210 | |
f4c4f4d7 | 211 | total_file_size += f->file_size; |
e8be395b | 212 | create_size += f->file_size; |
af52b345 | 213 | file_there = !file_ok(td, f); |
eff6861d | 214 | |
2dc1bbeb | 215 | if (file_there && td_write(td) && !td->o.overwrite) { |
af52b345 JA |
216 | unlink(f->file_name); |
217 | file_there = 0; | |
eff6861d | 218 | } |
af52b345 JA |
219 | |
220 | need_create += !file_there; | |
eff6861d | 221 | } |
25205e97 | 222 | |
25205e97 JA |
223 | if (!need_create) |
224 | return 0; | |
225 | ||
2dc1bbeb | 226 | if (!td->o.size && !total_file_size) { |
f1027063 | 227 | log_err("Need size for create\n"); |
e1161c32 | 228 | td_verror(td, EINVAL, "file_size"); |
f1027063 JA |
229 | return 1; |
230 | } | |
231 | ||
53cdc686 | 232 | temp_stall_ts = 1; |
6d86144d | 233 | log_info("%s: Laying out IO file(s) (%u files / %LuMiB)\n", |
2dc1bbeb | 234 | td->o.name, new_files, create_size >> 20); |
53cdc686 JA |
235 | |
236 | err = 0; | |
237 | for_each_file(td, f, i) { | |
9b031dc8 JA |
238 | /* |
239 | * Only unlink files that we created. | |
240 | */ | |
f11bd94d | 241 | f->flags &= ~FIO_FILE_UNLINK; |
25205e97 | 242 | if (file_ok(td, f)) { |
2dc1bbeb | 243 | if (td->o.unlink) |
f11bd94d JA |
244 | f->flags |= FIO_FILE_UNLINK; |
245 | ||
25205e97 JA |
246 | err = create_file(td, f); |
247 | if (err) | |
248 | break; | |
249 | } | |
53cdc686 JA |
250 | } |
251 | ||
252 | temp_stall_ts = 0; | |
253 | return err; | |
254 | } | |
255 | ||
256 | static int file_size(struct thread_data *td, struct fio_file *f) | |
257 | { | |
258 | struct stat st; | |
259 | ||
2dc1bbeb | 260 | if (td->o.overwrite) { |
53cdc686 | 261 | if (fstat(f->fd, &st) == -1) { |
e1161c32 | 262 | td_verror(td, errno, "fstat"); |
53cdc686 JA |
263 | return 1; |
264 | } | |
265 | ||
266 | f->real_file_size = st.st_size; | |
267 | ||
268 | if (!f->file_size || f->file_size > f->real_file_size) | |
269 | f->file_size = f->real_file_size; | |
745508dd JA |
270 | } else |
271 | f->real_file_size = f->file_size; | |
53cdc686 | 272 | |
53cdc686 JA |
273 | return 0; |
274 | } | |
275 | ||
276 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
277 | { | |
278 | unsigned long long bytes; | |
279 | int r; | |
280 | ||
281 | r = blockdev_size(f->fd, &bytes); | |
282 | if (r) { | |
e1161c32 | 283 | td_verror(td, r, "blockdev_size"); |
53cdc686 JA |
284 | return 1; |
285 | } | |
286 | ||
287 | f->real_file_size = bytes; | |
288 | ||
289 | /* | |
290 | * no extend possibilities, so limit size to device size if too large | |
291 | */ | |
292 | if (!f->file_size || f->file_size > f->real_file_size) | |
293 | f->file_size = f->real_file_size; | |
294 | ||
295 | f->file_size -= f->file_offset; | |
296 | return 0; | |
297 | } | |
298 | ||
299 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
300 | { | |
301 | int ret = 0; | |
302 | ||
96d32d51 JA |
303 | if (f->filetype == FIO_TYPE_FILE) { |
304 | if (!(f->flags & FIO_FILE_EXISTS)) | |
305 | ret = file_size(td, f); | |
306 | } else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
307 | ret = bdev_size(td, f); |
308 | else | |
309 | f->real_file_size = -1; | |
310 | ||
311 | if (ret) | |
312 | return ret; | |
313 | ||
314 | if (f->file_offset > f->real_file_size) { | |
2dc1bbeb | 315 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size); |
53cdc686 JA |
316 | return 1; |
317 | } | |
318 | ||
53cdc686 JA |
319 | return 0; |
320 | } | |
321 | ||
e5b401d4 JA |
322 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
323 | { | |
324 | int ret = 0; | |
325 | ||
2dc1bbeb | 326 | if (td->o.odirect) |
b5af8293 JA |
327 | return 0; |
328 | ||
e5b401d4 JA |
329 | /* |
330 | * FIXME: add blockdev flushing too | |
331 | */ | |
b5af8293 | 332 | if (f->mmap) |
e5b401d4 | 333 | ret = madvise(f->mmap, f->file_size, MADV_DONTNEED); |
467d1b6b | 334 | else if (f->filetype == FIO_TYPE_FILE) |
b5af8293 | 335 | ret = fadvise(f->fd, f->file_offset, f->file_size, POSIX_FADV_DONTNEED); |
467d1b6b | 336 | else if (f->filetype == FIO_TYPE_BD) |
b5af8293 | 337 | ret = blockdev_invalidate_cache(f->fd); |
467d1b6b | 338 | else if (f->filetype == FIO_TYPE_CHAR) |
e5b401d4 JA |
339 | ret = 0; |
340 | ||
341 | if (ret < 0) { | |
e1161c32 | 342 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 JA |
343 | return 1; |
344 | } | |
345 | ||
ad2da605 | 346 | return ret; |
e5b401d4 JA |
347 | } |
348 | ||
b5af8293 | 349 | void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 350 | { |
b5af8293 JA |
351 | close(f->fd); |
352 | f->fd = -1; | |
53cdc686 JA |
353 | } |
354 | ||
b5af8293 | 355 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
53cdc686 | 356 | { |
53cdc686 JA |
357 | int flags = 0; |
358 | ||
2dc1bbeb | 359 | if (td->o.odirect) |
2fd233b7 | 360 | flags |= OS_O_DIRECT; |
2dc1bbeb | 361 | if (td->o.sync_io) |
2fd233b7 | 362 | flags |= O_SYNC; |
53cdc686 | 363 | |
2fd233b7 JA |
364 | if (td_write(td) || td_rw(td)) { |
365 | flags |= O_RDWR; | |
53cdc686 | 366 | |
af52b345 | 367 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 368 | flags |= O_CREAT; |
2fd233b7 | 369 | |
b5af8293 | 370 | f->fd = open(f->file_name, flags, 0600); |
2fd233b7 | 371 | } else { |
af52b345 | 372 | if (f->filetype == FIO_TYPE_CHAR) |
2fd233b7 JA |
373 | flags |= O_RDWR; |
374 | else | |
375 | flags |= O_RDONLY; | |
376 | ||
b5af8293 | 377 | f->fd = open(f->file_name, flags); |
53cdc686 JA |
378 | } |
379 | ||
380 | if (f->fd == -1) { | |
e1161c32 JA |
381 | int __e = errno; |
382 | ||
383 | td_verror(td, __e, "open"); | |
2dc1bbeb | 384 | if (__e == EINVAL && td->o.odirect) |
9d80e114 | 385 | log_err("fio: destination does not support O_DIRECT\n"); |
8ab53873 | 386 | if (__e == EMFILE) |
2dc1bbeb | 387 | log_err("fio: try reducing/setting openfiles (failed at %u of %u)\n", td->nr_open_files, td->o.nr_files); |
53cdc686 JA |
388 | return 1; |
389 | } | |
390 | ||
b5af8293 JA |
391 | if (get_file_size(td, f)) |
392 | goto err; | |
393 | ||
2dc1bbeb | 394 | if (td->o.invalidate_cache && file_invalidate_cache(td, f)) |
b5af8293 JA |
395 | goto err; |
396 | ||
397 | if (!td_random(td)) { | |
398 | if (fadvise(f->fd, f->file_offset, f->file_size, POSIX_FADV_SEQUENTIAL) < 0) { | |
399 | td_verror(td, errno, "fadvise"); | |
400 | goto err; | |
401 | } | |
402 | } else { | |
403 | if (fadvise(f->fd, f->file_offset, f->file_size, POSIX_FADV_RANDOM) < 0) { | |
404 | td_verror(td, errno, "fadvise"); | |
405 | goto err; | |
406 | } | |
bdb4e2e9 | 407 | } |
53cdc686 JA |
408 | |
409 | return 0; | |
b5af8293 JA |
410 | err: |
411 | close(f->fd); | |
412 | return 1; | |
413 | } | |
414 | ||
21972cde JA |
415 | int open_files(struct thread_data *td) |
416 | { | |
417 | struct fio_file *f; | |
af52b345 JA |
418 | unsigned int i; |
419 | int err = 0; | |
21972cde JA |
420 | |
421 | for_each_file(td, f, i) { | |
b5af8293 | 422 | err = td_io_open_file(td, f); |
21972cde JA |
423 | if (err) |
424 | break; | |
b5af8293 | 425 | |
2dc1bbeb | 426 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 427 | break; |
21972cde JA |
428 | } |
429 | ||
7abf833d JA |
430 | if (!err) |
431 | return 0; | |
432 | ||
bdb4e2e9 | 433 | for_each_file(td, f, i) |
b5af8293 | 434 | td_io_close_file(td, f); |
7abf833d | 435 | |
21972cde JA |
436 | return err; |
437 | } | |
438 | ||
53cdc686 JA |
439 | int setup_files(struct thread_data *td) |
440 | { | |
441 | struct fio_file *f; | |
af52b345 JA |
442 | unsigned int i; |
443 | int err; | |
53cdc686 JA |
444 | |
445 | /* | |
446 | * if ioengine defines a setup() method, it's responsible for | |
447 | * setting up everything in the td->files[] area. | |
448 | */ | |
449 | if (td->io_ops->setup) | |
450 | return td->io_ops->setup(td); | |
451 | ||
452 | if (create_files(td)) | |
453 | return 1; | |
454 | ||
21972cde | 455 | err = open_files(td); |
f1027063 JA |
456 | if (err) |
457 | return err; | |
458 | ||
0a7eb121 JA |
459 | /* |
460 | * Recalculate the total file size now that files are set up. | |
461 | */ | |
2dc1bbeb | 462 | td->o.size = 0; |
0a7eb121 | 463 | for_each_file(td, f, i) |
2dc1bbeb | 464 | td->o.size += f->file_size; |
0a7eb121 | 465 | |
2dc1bbeb | 466 | td->io_size = td->o.size; |
53cdc686 | 467 | if (td->io_size == 0) { |
2dc1bbeb | 468 | log_err("%s: no io blocks\n", td->o.name); |
e1161c32 | 469 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
470 | return 1; |
471 | } | |
472 | ||
2dc1bbeb JA |
473 | if (!td->o.zone_size) |
474 | td->o.zone_size = td->io_size; | |
53cdc686 | 475 | |
2dc1bbeb | 476 | td->total_io_size = td->io_size * td->o.loops; |
53cdc686 | 477 | |
bdb4e2e9 | 478 | for_each_file(td, f, i) |
b5af8293 | 479 | td_io_close_file(td, f); |
21972cde JA |
480 | |
481 | return err; | |
53cdc686 JA |
482 | } |
483 | ||
68727076 JA |
484 | int init_random_map(struct thread_data *td) |
485 | { | |
486 | int num_maps, blocks; | |
487 | struct fio_file *f; | |
488 | unsigned int i; | |
489 | ||
490 | if (td->o.norandommap) | |
491 | return 0; | |
492 | ||
493 | for_each_file(td, f, i) { | |
494 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / td->o.rw_min_bs; | |
495 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; | |
496 | f->file_map = malloc(num_maps * sizeof(long)); | |
497 | if (!f->file_map) { | |
498 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
499 | return 1; | |
500 | } | |
501 | f->num_maps = num_maps; | |
502 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
503 | } | |
504 | ||
505 | return 0; | |
506 | } | |
507 | ||
53cdc686 JA |
508 | void close_files(struct thread_data *td) |
509 | { | |
0ab8db89 | 510 | struct fio_file *f; |
af52b345 | 511 | unsigned int i; |
53cdc686 | 512 | |
0ab8db89 | 513 | for_each_file(td, f, i) { |
1315a68a | 514 | if (!f->file_name && (f->flags & FIO_FILE_UNLINK) && |
af52b345 | 515 | f->filetype == FIO_TYPE_FILE) { |
132ad46d | 516 | unlink(f->file_name); |
1315a68a | 517 | free(f->file_name); |
132ad46d JA |
518 | f->file_name = NULL; |
519 | } | |
bdb4e2e9 | 520 | |
b5af8293 | 521 | td_io_close_file(td, f); |
b3dc7f07 JA |
522 | |
523 | if (f->file_map) | |
524 | free(f->file_map); | |
53cdc686 | 525 | } |
b4a6a59a | 526 | |
2dc1bbeb | 527 | td->o.filename = NULL; |
b4a6a59a | 528 | td->files = NULL; |
2dc1bbeb | 529 | td->o.nr_files = 0; |
53cdc686 | 530 | } |
af52b345 | 531 | |
e3bab463 | 532 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
533 | { |
534 | struct stat sb; | |
535 | ||
536 | f->filetype = FIO_TYPE_FILE; | |
537 | ||
e3bab463 | 538 | if (!lstat(f->file_name, &sb)) { |
96d32d51 JA |
539 | f->flags |= FIO_FILE_EXISTS; |
540 | ||
af52b345 JA |
541 | if (S_ISBLK(sb.st_mode)) |
542 | f->filetype = FIO_TYPE_BD; | |
543 | else if (S_ISCHR(sb.st_mode)) | |
544 | f->filetype = FIO_TYPE_CHAR; | |
96d32d51 JA |
545 | else { |
546 | /* | |
547 | * might as well do this here, and save a stat later on | |
548 | */ | |
549 | f->real_file_size = sb.st_size; | |
550 | f->file_size = f->real_file_size; | |
551 | } | |
af52b345 JA |
552 | } |
553 | } | |
554 | ||
555 | void add_file(struct thread_data *td, const char *fname) | |
556 | { | |
7b4e4fe5 | 557 | int cur_files = td->files_index; |
af52b345 JA |
558 | struct fio_file *f; |
559 | ||
560 | td->files = realloc(td->files, (cur_files + 1) * sizeof(*f)); | |
561 | ||
562 | f = &td->files[cur_files]; | |
563 | memset(f, 0, sizeof(*f)); | |
564 | f->fd = -1; | |
cae61953 | 565 | f->file_name = strdup(fname); |
af52b345 | 566 | |
e3bab463 | 567 | get_file_type(f); |
af52b345 | 568 | |
7b4e4fe5 | 569 | td->files_index++; |
1549441c JA |
570 | if (f->filetype == FIO_TYPE_FILE) |
571 | td->nr_normal_files++; | |
af52b345 | 572 | } |
0ad920e7 JA |
573 | |
574 | void get_file(struct fio_file *f) | |
575 | { | |
576 | f->references++; | |
577 | } | |
578 | ||
579 | void put_file(struct thread_data *td, struct fio_file *f) | |
580 | { | |
581 | if (!(f->flags & FIO_FILE_OPEN)) | |
582 | return; | |
583 | ||
584 | assert(f->references); | |
585 | if (--f->references) | |
586 | return; | |
587 | ||
2dc1bbeb | 588 | if (should_fsync(td) && td->o.fsync_on_close) |
ebb1415f JA |
589 | fsync(f->fd); |
590 | ||
0ad920e7 JA |
591 | if (td->io_ops->close_file) |
592 | td->io_ops->close_file(td, f); | |
593 | td->nr_open_files--; | |
594 | f->flags &= ~FIO_FILE_OPEN; | |
595 | } | |
bbf6b540 JA |
596 | |
597 | static int recurse_dir(struct thread_data *td, const char *dirname) | |
598 | { | |
599 | struct dirent *dir; | |
600 | int ret = 0; | |
601 | DIR *D; | |
602 | ||
603 | D = opendir(dirname); | |
604 | if (!D) { | |
605 | td_verror(td, errno, "opendir"); | |
606 | return 1; | |
607 | } | |
608 | ||
609 | while ((dir = readdir(D)) != NULL) { | |
610 | char full_path[PATH_MAX]; | |
611 | struct stat sb; | |
612 | ||
e85b2b83 JA |
613 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
614 | continue; | |
96d32d51 | 615 | |
bbf6b540 JA |
616 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
617 | ||
618 | if (lstat(full_path, &sb) == -1) { | |
619 | if (errno != ENOENT) { | |
620 | td_verror(td, errno, "stat"); | |
621 | return 1; | |
622 | } | |
623 | } | |
624 | ||
625 | if (S_ISREG(sb.st_mode)) { | |
626 | add_file(td, full_path); | |
2dc1bbeb | 627 | td->o.nr_files++; |
bbf6b540 JA |
628 | continue; |
629 | } | |
630 | ||
bbf6b540 JA |
631 | if ((ret = recurse_dir(td, full_path)) != 0) |
632 | break; | |
633 | } | |
634 | ||
635 | closedir(D); | |
636 | return ret; | |
637 | } | |
638 | ||
639 | int add_dir_files(struct thread_data *td, const char *path) | |
640 | { | |
641 | return recurse_dir(td, path); | |
642 | } |