Remove dead FIO_FILE_EXISTS flag
[fio.git] / filesetup.c
CommitLineData
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
7172cfe8
JA
12static int root_warn;
13
7bb48f84 14static int extend_file(struct thread_data *td, struct fio_file *f)
25205e97 15{
ea443657 16 int r, new_layout = 0, unlink_file = 0, flags;
25205e97
JA
17 unsigned long long left;
18 unsigned int bs;
19 char *b;
b2a15192 20
4241ea8f
JA
21 if (read_only) {
22 log_err("fio: refusing extend of file due to read-only\n");
23 return 0;
24 }
25
507a702f
JA
26 /*
27 * check if we need to lay the file out complete again. fio
28 * does that for operations involving reads, or for writes
29 * where overwrite is set
30 */
31 if (td_read(td) || (td_write(td) && td->o.overwrite))
32 new_layout = 1;
ea443657
JA
33 if (td_write(td) && !td->o.overwrite)
34 unlink_file = 1;
507a702f 35
6ae1f57f 36 if (unlink_file || new_layout) {
7bb48f84
JA
37 if (unlink(f->file_name) < 0) {
38 td_verror(td, errno, "unlink");
39 return 1;
40 }
41 }
42
507a702f
JA
43 flags = O_WRONLY | O_CREAT;
44 if (new_layout)
45 flags |= O_TRUNC;
46
ee56ad50 47 dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags);
507a702f 48 f->fd = open(f->file_name, flags, 0644);
53cdc686 49 if (f->fd < 0) {
e1161c32 50 td_verror(td, errno, "open");
53cdc686
JA
51 return 1;
52 }
53
fc74ac1d
SL
54 if (!new_layout)
55 goto done;
56
ee56ad50
JA
57 dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name,
58 f->real_file_size);
7bb48f84 59 if (ftruncate(f->fd, f->real_file_size) == -1) {
e1161c32 60 td_verror(td, errno, "ftruncate");
53cdc686
JA
61 goto err;
62 }
63
ee56ad50
JA
64 dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name,
65 f->real_file_size);
7bb48f84 66 if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) {
e1161c32 67 td_verror(td, errno, "posix_fallocate");
40f8298c
JA
68 goto err;
69 }
70
2dc1bbeb
JA
71 b = malloc(td->o.max_bs[DDIR_WRITE]);
72 memset(b, 0, td->o.max_bs[DDIR_WRITE]);
53cdc686 73
7bb48f84 74 left = f->real_file_size;
53cdc686 75 while (left && !td->terminate) {
2dc1bbeb 76 bs = td->o.max_bs[DDIR_WRITE];
53cdc686
JA
77 if (bs > left)
78 bs = left;
79
80 r = write(f->fd, b, bs);
81
82 if (r == (int) bs) {
83 left -= bs;
84 continue;
85 } else {
86 if (r < 0)
e1161c32 87 td_verror(td, errno, "write");
53cdc686 88 else
e1161c32 89 td_verror(td, EIO, "write");
53cdc686
JA
90
91 break;
92 }
93 }
94
95 if (td->terminate)
96 unlink(f->file_name);
2dc1bbeb 97 else if (td->o.create_fsync)
53cdc686
JA
98 fsync(f->fd);
99
100 free(b);
507a702f 101done:
53cdc686
JA
102 close(f->fd);
103 f->fd = -1;
104 return 0;
105err:
106 close(f->fd);
107 f->fd = -1;
108 return 1;
109}
110
7bb48f84 111static unsigned long long get_rand_file_size(struct thread_data *td)
9c60ce64 112{
9c60ce64
JA
113 unsigned long long ret;
114 long r;
115
9c60ce64 116 r = os_random_long(&td->file_size_state);
d11a531f 117 ret = td->o.file_size_low + (unsigned long long) ((double) (td->o.file_size_high - td->o.file_size_low) * (r / (RAND_MAX + 1.0)));
2dc1bbeb 118 ret -= (ret % td->o.rw_min_bs);
9c60ce64
JA
119 return ret;
120}
121
53cdc686
JA
122static int file_size(struct thread_data *td, struct fio_file *f)
123{
124 struct stat st;
125
7bb48f84
JA
126 if (fstat(f->fd, &st) == -1) {
127 td_verror(td, errno, "fstat");
128 return 1;
129 }
53cdc686 130
7bb48f84 131 f->real_file_size = st.st_size;
53cdc686
JA
132 return 0;
133}
134
135static int bdev_size(struct thread_data *td, struct fio_file *f)
136{
137 unsigned long long bytes;
138 int r;
139
140 r = blockdev_size(f->fd, &bytes);
141 if (r) {
e1161c32 142 td_verror(td, r, "blockdev_size");
53cdc686
JA
143 return 1;
144 }
145
146 f->real_file_size = bytes;
53cdc686
JA
147 return 0;
148}
149
150static int get_file_size(struct thread_data *td, struct fio_file *f)
151{
152 int ret = 0;
153
409b3417
JA
154 if (f->flags & FIO_SIZE_KNOWN)
155 return 0;
156
7bb48f84
JA
157 if (f->filetype == FIO_TYPE_FILE)
158 ret = file_size(td, f);
159 else if (f->filetype == FIO_TYPE_BD)
53cdc686
JA
160 ret = bdev_size(td, f);
161 else
162 f->real_file_size = -1;
163
164 if (ret)
165 return ret;
166
167 if (f->file_offset > f->real_file_size) {
2dc1bbeb 168 log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size);
53cdc686
JA
169 return 1;
170 }
171
409b3417 172 f->flags |= FIO_SIZE_KNOWN;
53cdc686
JA
173 return 0;
174}
175
e5b401d4
JA
176int file_invalidate_cache(struct thread_data *td, struct fio_file *f)
177{
178 int ret = 0;
179
ee56ad50
JA
180 dprint(FD_IO, "invalidate cache (%d)\n", td->o.odirect);
181
2dc1bbeb 182 if (td->o.odirect)
b5af8293
JA
183 return 0;
184
e5b401d4
JA
185 /*
186 * FIXME: add blockdev flushing too
187 */
b5af8293 188 if (f->mmap)
7bb48f84 189 ret = madvise(f->mmap, f->io_size, MADV_DONTNEED);
467d1b6b 190 else if (f->filetype == FIO_TYPE_FILE)
7bb48f84 191 ret = fadvise(f->fd, f->file_offset, f->io_size, POSIX_FADV_DONTNEED);
7e0e25c9 192 else if (f->filetype == FIO_TYPE_BD) {
b5af8293 193 ret = blockdev_invalidate_cache(f->fd);
7e0e25c9 194 if (ret < 0 && errno == EACCES && geteuid()) {
7172cfe8
JA
195 if (!root_warn) {
196 log_err("fio: only root may flush block devices. Cache flush bypassed!\n");
197 root_warn = 1;
198 }
7e0e25c9
JA
199 ret = 0;
200 }
b5605e9d 201 } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE)
e5b401d4
JA
202 ret = 0;
203
204 if (ret < 0) {
e1161c32 205 td_verror(td, errno, "invalidate_cache");
e5b401d4
JA
206 return 1;
207 }
208
ad2da605 209 return ret;
e5b401d4
JA
210}
211
b5af8293 212void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f)
53cdc686 213{
ee56ad50 214 dprint(FD_FILE, "fd close %s\n", f->file_name);
b5af8293
JA
215 close(f->fd);
216 f->fd = -1;
53cdc686
JA
217}
218
b5af8293 219int generic_open_file(struct thread_data *td, struct fio_file *f)
53cdc686 220{
66159828 221 int is_std = 0;
53cdc686
JA
222 int flags = 0;
223
ee56ad50
JA
224 dprint(FD_FILE, "fd open %s\n", f->file_name);
225
66159828
JA
226 if (!strcmp(f->file_name, "-")) {
227 if (td_rw(td)) {
228 log_err("fio: can't read/write to stdin/out\n");
229 return 1;
230 }
231 is_std = 1;
ce98fa66
JA
232
233 /*
234 * move output logging to stderr, if we are writing to stdout
235 */
236 if (td_write(td))
237 f_out = stderr;
66159828
JA
238 }
239
2dc1bbeb 240 if (td->o.odirect)
2fd233b7 241 flags |= OS_O_DIRECT;
2dc1bbeb 242 if (td->o.sync_io)
2fd233b7 243 flags |= O_SYNC;
ad92396c
JA
244 if (f->filetype != FIO_TYPE_FILE)
245 flags |= O_NOATIME;
53cdc686 246
056f3459 247open_again:
660a1cb5 248 if (td_write(td)) {
4241ea8f
JA
249 assert(!read_only);
250
2fd233b7 251 flags |= O_RDWR;
53cdc686 252
af52b345 253 if (f->filetype == FIO_TYPE_FILE)
2fd233b7 254 flags |= O_CREAT;
2fd233b7 255
66159828
JA
256 if (is_std)
257 f->fd = dup(STDOUT_FILENO);
258 else
259 f->fd = open(f->file_name, flags, 0600);
2fd233b7 260 } else {
4241ea8f 261 if (f->filetype == FIO_TYPE_CHAR && !read_only)
2fd233b7
JA
262 flags |= O_RDWR;
263 else
264 flags |= O_RDONLY;
265
66159828
JA
266 if (is_std)
267 f->fd = dup(STDIN_FILENO);
268 else
269 f->fd = open(f->file_name, flags);
53cdc686
JA
270 }
271
272 if (f->fd == -1) {
e4e33258 273 char buf[FIO_VERROR_SIZE];
e1161c32
JA
274 int __e = errno;
275
056f3459
AC
276 if (errno == EPERM && (flags & O_NOATIME)) {
277 flags &= ~O_NOATIME;
278 goto open_again;
279 }
280
e4e33258
JA
281 snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name);
282
283 td_verror(td, __e, buf);
53cdc686
JA
284 }
285
b5af8293
JA
286 if (get_file_size(td, f))
287 goto err;
288
53cdc686 289 return 0;
b5af8293
JA
290err:
291 close(f->fd);
292 return 1;
293}
294
21972cde
JA
295int open_files(struct thread_data *td)
296{
297 struct fio_file *f;
af52b345
JA
298 unsigned int i;
299 int err = 0;
21972cde 300
ee56ad50
JA
301 dprint(FD_FILE, "open files\n");
302
21972cde 303 for_each_file(td, f, i) {
b5af8293 304 err = td_io_open_file(td, f);
9bf27b45
JA
305 if (err) {
306 if (td->error == EMFILE) {
307 log_err("fio: limited open files to: %d\n", td->nr_open_files);
308 td->o.open_files = td->nr_open_files;
309 err = 0;
310 clear_error(td);
311 }
21972cde 312 break;
9bf27b45 313 }
b5af8293 314
2dc1bbeb 315 if (td->o.open_files == td->nr_open_files)
b5af8293 316 break;
21972cde
JA
317 }
318
7abf833d
JA
319 if (!err)
320 return 0;
321
bdb4e2e9 322 for_each_file(td, f, i)
b5af8293 323 td_io_close_file(td, f);
7abf833d 324
21972cde
JA
325 return err;
326}
327
7bb48f84
JA
328/*
329 * open/close all files, so that ->real_file_size gets set
330 */
bab3fd58 331static int get_file_sizes(struct thread_data *td)
7bb48f84
JA
332{
333 struct fio_file *f;
334 unsigned int i;
bab3fd58 335 int err = 0;
7bb48f84
JA
336
337 for_each_file(td, f, i) {
bab3fd58 338 if (td->io_ops->open_file(td, f)) {
40b44f4a
JA
339 if (td->error != ENOENT) {
340 log_err("%s\n", td->verror);
341 err = 1;
342 }
541d66d7 343 clear_error(td);
07eb79df
JA
344 } else {
345 if (td->io_ops->close_file)
346 td->io_ops->close_file(td, f);
347 }
409b3417
JA
348
349 if (f->real_file_size == -1ULL && td->o.size)
350 f->real_file_size = td->o.size / td->o.nr_files;
7bb48f84 351 }
bab3fd58
JA
352
353 return err;
7bb48f84
JA
354}
355
356/*
357 * Open the files and setup files sizes, creating files if necessary.
358 */
53cdc686
JA
359int setup_files(struct thread_data *td)
360{
7bb48f84 361 unsigned long long total_size, extend_size;
53cdc686 362 struct fio_file *f;
af52b345 363 unsigned int i;
000b0803 364 int err = 0, need_extend;
53cdc686 365
ee56ad50
JA
366 dprint(FD_FILE, "setup files\n");
367
53cdc686
JA
368 /*
369 * if ioengine defines a setup() method, it's responsible for
7bb48f84
JA
370 * opening the files and setting f->real_file_size to indicate
371 * the valid range for that file.
53cdc686
JA
372 */
373 if (td->io_ops->setup)
7bb48f84
JA
374 err = td->io_ops->setup(td);
375 else
bab3fd58 376 err = get_file_sizes(td);
53cdc686 377
f1027063
JA
378 if (err)
379 return err;
380
0a7eb121 381 /*
7bb48f84
JA
382 * check sizes. if the files/devices do not exist and the size
383 * isn't passed to fio, abort.
0a7eb121 384 */
7bb48f84
JA
385 total_size = 0;
386 for_each_file(td, f, i) {
387 if (f->real_file_size == -1ULL)
388 total_size = -1ULL;
389 else
390 total_size += f->real_file_size;
391 }
0a7eb121 392
7bb48f84
JA
393 /*
394 * device/file sizes are zero and no size given, punt
395 */
1f809d15 396 if ((!total_size || total_size == -1ULL) && !td->o.size &&
aa31f1f1 397 !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) {
7bb48f84 398 log_err("%s: you need to specify size=\n", td->o.name);
e1161c32 399 td_verror(td, EINVAL, "total_file_size");
53cdc686
JA
400 return 1;
401 }
402
7bb48f84
JA
403 /*
404 * now file sizes are known, so we can set ->io_size. if size= is
405 * not given, ->io_size is just equal to ->real_file_size. if size
406 * is given, ->io_size is size / nr_files.
407 */
408 extend_size = total_size = 0;
409 need_extend = 0;
410 for_each_file(td, f, i) {
bcdedd0a
YHJT
411 f->file_offset = td->o.start_offset;
412
7bb48f84
JA
413 if (!td->o.file_size_low) {
414 /*
415 * no file size range given, file size is equal to
416 * total size divided by number of files. if that is
417 * zero, set it to the real file size.
418 */
419 f->io_size = td->o.size / td->o.nr_files;
65bdb10a 420 if (!f->io_size)
273f8c91 421 f->io_size = f->real_file_size - f->file_offset;
7bb48f84
JA
422 } else if (f->real_file_size < td->o.file_size_low ||
423 f->real_file_size > td->o.file_size_high) {
bcdedd0a
YHJT
424 if (f->file_offset > td->o.file_size_low)
425 goto err_offset;
7bb48f84
JA
426 /*
427 * file size given. if it's fixed, use that. if it's a
428 * range, generate a random size in-between.
429 */
430 if (td->o.file_size_low == td->o.file_size_high)
bcdedd0a 431 f->io_size = td->o.file_size_low - f->file_offset;
7bb48f84 432 else
bcdedd0a 433 f->io_size = get_rand_file_size(td) - f->file_offset;
65bdb10a 434 } else
bcdedd0a 435 f->io_size = f->real_file_size - f->file_offset;
53cdc686 436
7bb48f84
JA
437 if (f->io_size == -1ULL)
438 total_size = -1ULL;
439 else
440 total_size += f->io_size;
441
442 if (f->filetype == FIO_TYPE_FILE &&
bcdedd0a 443 (f->io_size + f->file_offset) > f->real_file_size &&
7bb48f84
JA
444 !(td->io_ops->flags & FIO_DISKLESSIO)) {
445 need_extend++;
bcdedd0a 446 extend_size += (f->io_size + f->file_offset);
7bb48f84 447 f->flags |= FIO_FILE_EXTEND;
bcdedd0a 448 }
7bb48f84 449 }
53cdc686 450
2298290e 451 if (!td->o.size || td->o.size > total_size)
7bb48f84 452 td->o.size = total_size;
21972cde 453
7bb48f84
JA
454 /*
455 * See if we need to extend some files
456 */
457 if (need_extend) {
458 temp_stall_ts = 1;
f627d8ae 459 log_info("%s: Laying out IO file(s) (%u file(s) / %LuMiB)\n",
7bb48f84
JA
460 td->o.name, need_extend, extend_size >> 20);
461
462 for_each_file(td, f, i) {
463 if (!(f->flags & FIO_FILE_EXTEND))
464 continue;
465
409b3417 466 assert(f->filetype == FIO_TYPE_FILE);
7bb48f84 467 f->flags &= ~FIO_FILE_EXTEND;
bcdedd0a 468 f->real_file_size = (f->io_size + f->file_offset);
7bb48f84
JA
469 err = extend_file(td, f);
470 if (err)
471 break;
472 }
473 temp_stall_ts = 0;
474 }
475
476 if (err)
477 return err;
478
479 if (!td->o.zone_size)
480 td->o.zone_size = td->o.size;
481
ea966f81
JA
482 /*
483 * iolog already set the total io size, if we read back
484 * stored entries.
485 */
486 if (!td->o.read_iolog_file)
487 td->total_io_size = td->o.size * td->o.loops;
7bb48f84 488 return 0;
bcdedd0a
YHJT
489err_offset:
490 log_err("%s: you need to specify valid offset=\n", td->o.name);
491 return 1;
53cdc686
JA
492}
493
68727076
JA
494int init_random_map(struct thread_data *td)
495{
509eab12 496 unsigned long long blocks, num_maps;
68727076
JA
497 struct fio_file *f;
498 unsigned int i;
499
500 if (td->o.norandommap)
501 return 0;
502
503 for_each_file(td, f, i) {
509eab12
JA
504 blocks = (f->real_file_size + td->o.rw_min_bs - 1) / (unsigned long long) td->o.rw_min_bs;
505 num_maps = (blocks + BLOCKS_PER_MAP-1)/ (unsigned long long) BLOCKS_PER_MAP;
68727076
JA
506 f->file_map = malloc(num_maps * sizeof(long));
507 if (!f->file_map) {
508 log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n");
509 return 1;
510 }
511 f->num_maps = num_maps;
512 memset(f->file_map, 0, num_maps * sizeof(long));
513 }
514
515 return 0;
516}
517
53cdc686
JA
518void close_files(struct thread_data *td)
519{
0ab8db89 520 struct fio_file *f;
af52b345 521 unsigned int i;
53cdc686 522
ee56ad50
JA
523 dprint(FD_FILE, "close files\n");
524
0ab8db89 525 for_each_file(td, f, i) {
a9b7b305 526 if (td->o.unlink && f->filetype == FIO_TYPE_FILE)
132ad46d 527 unlink(f->file_name);
bdb4e2e9 528
b5af8293 529 td_io_close_file(td, f);
b3dc7f07 530
fa1da865
JA
531 free(f->file_name);
532 f->file_name = NULL;
533
c343981b 534 if (f->file_map) {
b3dc7f07 535 free(f->file_map);
c343981b
JA
536 f->file_map = NULL;
537 }
53cdc686 538 }
b4a6a59a 539
2dc1bbeb 540 td->o.filename = NULL;
cade3ef4 541 free(td->files);
b4a6a59a 542 td->files = NULL;
2dc1bbeb 543 td->o.nr_files = 0;
53cdc686 544}
af52b345 545
e3bab463 546static void get_file_type(struct fio_file *f)
af52b345
JA
547{
548 struct stat sb;
549
66159828
JA
550 if (!strcmp(f->file_name, "-"))
551 f->filetype = FIO_TYPE_PIPE;
552 else
553 f->filetype = FIO_TYPE_FILE;
af52b345 554
e3bab463 555 if (!lstat(f->file_name, &sb)) {
af52b345
JA
556 if (S_ISBLK(sb.st_mode))
557 f->filetype = FIO_TYPE_BD;
558 else if (S_ISCHR(sb.st_mode))
559 f->filetype = FIO_TYPE_CHAR;
b5605e9d
JA
560 else if (S_ISFIFO(sb.st_mode))
561 f->filetype = FIO_TYPE_PIPE;
af52b345
JA
562 }
563}
564
f29b25a3 565int add_file(struct thread_data *td, const char *fname)
af52b345 566{
7b4e4fe5 567 int cur_files = td->files_index;
bd0ee748 568 char file_name[PATH_MAX];
af52b345 569 struct fio_file *f;
bd0ee748 570 int len = 0;
af52b345 571
ee56ad50
JA
572 dprint(FD_FILE, "add file %s\n", fname);
573
af52b345
JA
574 td->files = realloc(td->files, (cur_files + 1) * sizeof(*f));
575
576 f = &td->files[cur_files];
577 memset(f, 0, sizeof(*f));
578 f->fd = -1;
bd0ee748 579
07eb79df
JA
580 /*
581 * init function, io engine may not be loaded yet
582 */
583 if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO))
584 f->real_file_size = -1ULL;
585
bd0ee748
JA
586 if (td->o.directory)
587 len = sprintf(file_name, "%s/", td->o.directory);
588
589 sprintf(file_name + len, "%s", fname);
590 f->file_name = strdup(file_name);
af52b345 591
e3bab463 592 get_file_type(f);
af52b345 593
7b4e4fe5 594 td->files_index++;
1549441c
JA
595 if (f->filetype == FIO_TYPE_FILE)
596 td->nr_normal_files++;
f29b25a3
JA
597
598 return cur_files;
af52b345 599}
0ad920e7
JA
600
601void get_file(struct fio_file *f)
602{
8172fe97 603 dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references);
97af62ce 604 assert(f->flags & FIO_FILE_OPEN);
0ad920e7
JA
605 f->references++;
606}
607
608void put_file(struct thread_data *td, struct fio_file *f)
609{
8172fe97 610 dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references);
ee56ad50 611
0ad920e7
JA
612 if (!(f->flags & FIO_FILE_OPEN))
613 return;
614
615 assert(f->references);
616 if (--f->references)
617 return;
618
d424d4dd 619 if (should_fsync(td) && td->o.fsync_on_close)
ebb1415f
JA
620 fsync(f->fd);
621
0ad920e7
JA
622 if (td->io_ops->close_file)
623 td->io_ops->close_file(td, f);
1020a139 624
0ad920e7
JA
625 td->nr_open_files--;
626 f->flags &= ~FIO_FILE_OPEN;
627}
bbf6b540
JA
628
629static int recurse_dir(struct thread_data *td, const char *dirname)
630{
631 struct dirent *dir;
632 int ret = 0;
633 DIR *D;
634
635 D = opendir(dirname);
636 if (!D) {
0ddb270c
JA
637 char buf[FIO_VERROR_SIZE];
638
639 snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname);
640 td_verror(td, errno, buf);
bbf6b540
JA
641 return 1;
642 }
643
644 while ((dir = readdir(D)) != NULL) {
645 char full_path[PATH_MAX];
646 struct stat sb;
647
e85b2b83
JA
648 if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
649 continue;
96d32d51 650
bbf6b540
JA
651 sprintf(full_path, "%s/%s", dirname, dir->d_name);
652
653 if (lstat(full_path, &sb) == -1) {
654 if (errno != ENOENT) {
655 td_verror(td, errno, "stat");
656 return 1;
657 }
658 }
659
660 if (S_ISREG(sb.st_mode)) {
661 add_file(td, full_path);
2dc1bbeb 662 td->o.nr_files++;
bbf6b540
JA
663 continue;
664 }
0ddb270c
JA
665 if (!S_ISDIR(sb.st_mode))
666 continue;
bbf6b540 667
bbf6b540
JA
668 if ((ret = recurse_dir(td, full_path)) != 0)
669 break;
670 }
671
672 closedir(D);
673 return ret;
674}
675
676int add_dir_files(struct thread_data *td, const char *path)
677{
0ddb270c
JA
678 int ret = recurse_dir(td, path);
679
680 if (!ret)
681 log_info("fio: opendir added %d files\n", td->o.nr_files);
682
683 return ret;
bbf6b540 684}
cade3ef4
JA
685
686void dup_files(struct thread_data *td, struct thread_data *org)
687{
688 struct fio_file *f;
689 unsigned int i;
690 size_t bytes;
691
692 if (!org->files)
693 return;
694
695 bytes = org->files_index * sizeof(*f);
696 td->files = malloc(bytes);
697 memcpy(td->files, org->files, bytes);
698
699 for_each_file(td, f, i) {
700 if (f->file_name)
701 f->file_name = strdup(f->file_name);
702 }
703}
f29b25a3
JA
704
705/*
706 * Returns the index that matches the filename, or -1 if not there
707 */
708int get_fileno(struct thread_data *td, const char *fname)
709{
710 struct fio_file *f;
711 unsigned int i;
712
713 for_each_file(td, f, i)
714 if (!strcmp(f->file_name, fname))
715 return i;
716
717 return -1;
718}
719
720/*
721 * For log usage, where we add/open/close files automatically
722 */
723void free_release_files(struct thread_data *td)
724{
725 close_files(td);
726 td->files_index = 0;
727 td->nr_normal_files = 0;
728}