Commit | Line | Data |
---|---|---|
53cdc686 JA |
1 | #include <unistd.h> |
2 | #include <fcntl.h> | |
3 | #include <string.h> | |
4 | #include <assert.h> | |
bbf6b540 | 5 | #include <dirent.h> |
d74ac843 | 6 | #include <libgen.h> |
53cdc686 JA |
7 | #include <sys/stat.h> |
8 | #include <sys/mman.h> | |
bbf6b540 | 9 | #include <sys/types.h> |
53cdc686 JA |
10 | |
11 | #include "fio.h" | |
f17c4392 | 12 | #include "smalloc.h" |
4906e0b5 | 13 | #include "filehash.h" |
ecc314ba | 14 | #include "os/os.h" |
53cdc686 | 15 | |
7172cfe8 JA |
16 | static int root_warn; |
17 | ||
c592b9fe JA |
18 | static inline void clear_error(struct thread_data *td) |
19 | { | |
20 | td->error = 0; | |
21 | td->verror[0] = '\0'; | |
22 | } | |
23 | ||
3baddf24 JA |
24 | /* |
25 | * Leaves f->fd open on success, caller must close | |
26 | */ | |
7bb48f84 | 27 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 28 | { |
ea443657 | 29 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
30 | unsigned long long left; |
31 | unsigned int bs; | |
32 | char *b; | |
b2a15192 | 33 | |
4241ea8f JA |
34 | if (read_only) { |
35 | log_err("fio: refusing extend of file due to read-only\n"); | |
36 | return 0; | |
37 | } | |
38 | ||
507a702f JA |
39 | /* |
40 | * check if we need to lay the file out complete again. fio | |
41 | * does that for operations involving reads, or for writes | |
42 | * where overwrite is set | |
43 | */ | |
ffdfabd4 JA |
44 | if (td_read(td) || (td_write(td) && td->o.overwrite) || |
45 | (td_write(td) && td->io_ops->flags & FIO_NOEXTEND)) | |
507a702f | 46 | new_layout = 1; |
ea443657 JA |
47 | if (td_write(td) && !td->o.overwrite) |
48 | unlink_file = 1; | |
507a702f | 49 | |
6ae1f57f | 50 | if (unlink_file || new_layout) { |
bd199f2b | 51 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
982016d6 | 52 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
7bb48f84 JA |
53 | td_verror(td, errno, "unlink"); |
54 | return 1; | |
55 | } | |
56 | } | |
57 | ||
507a702f JA |
58 | flags = O_WRONLY | O_CREAT; |
59 | if (new_layout) | |
60 | flags |= O_TRUNC; | |
61 | ||
ee56ad50 | 62 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 63 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 64 | if (f->fd < 0) { |
e1161c32 | 65 | td_verror(td, errno, "open"); |
53cdc686 JA |
66 | return 1; |
67 | } | |
68 | ||
7bc8c2cf JA |
69 | #ifdef FIO_HAVE_FALLOCATE |
70 | if (td->o.fallocate && !td->o.fill_device) { | |
71 | dprint(FD_FILE, "fallocate file %s size %llu\n", f->file_name, | |
72 | f->real_file_size); | |
73 | ||
74 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
10accd7c | 75 | if (r > 0) { |
7bc8c2cf | 76 | log_err("fio: posix_fallocate fails: %s\n", |
10accd7c | 77 | strerror(r)); |
7bc8c2cf JA |
78 | } |
79 | } | |
80 | #endif | |
9b836561 | 81 | |
fc74ac1d SL |
82 | if (!new_layout) |
83 | goto done; | |
84 | ||
5e0074c2 JA |
85 | /* |
86 | * The size will be -1ULL when fill_device is used, so don't truncate | |
87 | * or fallocate this file, just write it | |
88 | */ | |
89 | if (!td->o.fill_device) { | |
90 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
ee56ad50 | 91 | f->real_file_size); |
5e0074c2 JA |
92 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
93 | td_verror(td, errno, "ftruncate"); | |
94 | goto err; | |
95 | } | |
5e0074c2 | 96 | } |
40f8298c | 97 | |
2dc1bbeb JA |
98 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
99 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 100 | |
7bb48f84 | 101 | left = f->real_file_size; |
53cdc686 | 102 | while (left && !td->terminate) { |
2dc1bbeb | 103 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
104 | if (bs > left) |
105 | bs = left; | |
106 | ||
107 | r = write(f->fd, b, bs); | |
108 | ||
5e0074c2 JA |
109 | if (r > 0) { |
110 | left -= r; | |
53cdc686 JA |
111 | continue; |
112 | } else { | |
5e0074c2 JA |
113 | if (r < 0) { |
114 | int __e = errno; | |
115 | ||
116 | if (__e == ENOSPC) { | |
117 | if (td->o.fill_device) | |
118 | break; | |
119 | log_info("fio: ENOSPC on laying out " | |
120 | "file, stopping\n"); | |
121 | break; | |
122 | } | |
e1161c32 | 123 | td_verror(td, errno, "write"); |
5e0074c2 | 124 | } else |
e1161c32 | 125 | td_verror(td, EIO, "write"); |
53cdc686 JA |
126 | |
127 | break; | |
128 | } | |
129 | } | |
130 | ||
ffdfabd4 JA |
131 | if (td->terminate) { |
132 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
53cdc686 | 133 | unlink(f->file_name); |
ffdfabd4 | 134 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
135 | if (fsync(f->fd) < 0) { |
136 | td_verror(td, errno, "fsync"); | |
137 | goto err; | |
138 | } | |
139 | } | |
0d1cd207 | 140 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 141 | fio_file_clear_size_known(f); |
5e0074c2 JA |
142 | if (td_io_get_file_size(td, f)) |
143 | goto err; | |
144 | if (f->io_size > f->real_file_size) | |
145 | f->io_size = f->real_file_size; | |
146 | } | |
53cdc686 JA |
147 | |
148 | free(b); | |
507a702f | 149 | done: |
53cdc686 JA |
150 | return 0; |
151 | err: | |
152 | close(f->fd); | |
153 | f->fd = -1; | |
154 | return 1; | |
155 | } | |
156 | ||
afad68f7 ZY |
157 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
158 | { | |
b0f65863 | 159 | int r, did_open = 0, old_runstate; |
afad68f7 ZY |
160 | unsigned long long left; |
161 | unsigned int bs; | |
162 | char *b; | |
163 | ||
9c0d2241 JA |
164 | if (td->io_ops->flags & FIO_PIPEIO) |
165 | return 0; | |
166 | ||
d6aed795 | 167 | if (!fio_file_open(f)) { |
b0f65863 JA |
168 | if (td->io_ops->open_file(td, f)) { |
169 | log_err("fio: cannot pre-read, failed to open file\n"); | |
170 | return 1; | |
171 | } | |
172 | did_open = 1; | |
173 | } | |
174 | ||
175 | old_runstate = td->runstate; | |
176 | td_set_runstate(td, TD_PRE_READING); | |
177 | ||
afad68f7 ZY |
178 | bs = td->o.max_bs[DDIR_READ]; |
179 | b = malloc(bs); | |
180 | memset(b, 0, bs); | |
181 | ||
182 | lseek(f->fd, f->file_offset, SEEK_SET); | |
183 | left = f->io_size; | |
184 | ||
185 | while (left && !td->terminate) { | |
186 | if (bs > left) | |
187 | bs = left; | |
188 | ||
189 | r = read(f->fd, b, bs); | |
190 | ||
191 | if (r == (int) bs) { | |
192 | left -= bs; | |
193 | continue; | |
194 | } else { | |
195 | td_verror(td, EIO, "pre_read"); | |
196 | break; | |
197 | } | |
198 | } | |
199 | ||
b0f65863 JA |
200 | td_set_runstate(td, old_runstate); |
201 | ||
202 | if (did_open) | |
203 | td->io_ops->close_file(td, f); | |
afad68f7 ZY |
204 | free(b); |
205 | return 0; | |
206 | } | |
207 | ||
7bb48f84 | 208 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 209 | { |
dc873b6f | 210 | unsigned long long ret, sized; |
9c60ce64 JA |
211 | long r; |
212 | ||
4c07ad86 JA |
213 | if (td->o.use_os_rand) { |
214 | r = os_random_long(&td->file_size_state); | |
215 | sized = td->o.file_size_high - td->o.file_size_low; | |
216 | ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0))); | |
217 | } else { | |
218 | r = __rand(&td->__file_size_state); | |
219 | sized = td->o.file_size_high - td->o.file_size_low; | |
220 | ret = (unsigned long long) ((double) sized * (r / (FRAND_MAX + 1.0))); | |
221 | } | |
222 | ||
5ec10eaa | 223 | ret += td->o.file_size_low; |
2dc1bbeb | 224 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
225 | return ret; |
226 | } | |
227 | ||
53cdc686 JA |
228 | static int file_size(struct thread_data *td, struct fio_file *f) |
229 | { | |
230 | struct stat st; | |
231 | ||
df9c26b1 | 232 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
233 | td_verror(td, errno, "fstat"); |
234 | return 1; | |
235 | } | |
53cdc686 | 236 | |
7bb48f84 | 237 | f->real_file_size = st.st_size; |
53cdc686 JA |
238 | return 0; |
239 | } | |
240 | ||
241 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
242 | { | |
9b836561 | 243 | unsigned long long bytes = 0; |
53cdc686 JA |
244 | int r; |
245 | ||
df9c26b1 JA |
246 | if (td->io_ops->open_file(td, f)) { |
247 | log_err("fio: failed opening blockdev %s for size check\n", | |
248 | f->file_name); | |
249 | return 1; | |
250 | } | |
251 | ||
ecc314ba | 252 | r = blockdev_size(f, &bytes); |
53cdc686 | 253 | if (r) { |
e1161c32 | 254 | td_verror(td, r, "blockdev_size"); |
0e238572 | 255 | printf("fd is %d\n", f->fd); |
df9c26b1 | 256 | goto err; |
53cdc686 JA |
257 | } |
258 | ||
7ab077ab JA |
259 | if (!bytes) { |
260 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 261 | goto err; |
7ab077ab JA |
262 | } |
263 | ||
53cdc686 | 264 | f->real_file_size = bytes; |
22a57ba8 | 265 | td->io_ops->close_file(td, f); |
53cdc686 | 266 | return 0; |
df9c26b1 JA |
267 | err: |
268 | td->io_ops->close_file(td, f); | |
269 | return 1; | |
53cdc686 JA |
270 | } |
271 | ||
4ccdccd1 JA |
272 | static int char_size(struct thread_data *td, struct fio_file *f) |
273 | { | |
274 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 275 | unsigned long long bytes = 0; |
4ccdccd1 JA |
276 | int r; |
277 | ||
278 | if (td->io_ops->open_file(td, f)) { | |
279 | log_err("fio: failed opening blockdev %s for size check\n", | |
280 | f->file_name); | |
281 | return 1; | |
282 | } | |
283 | ||
ecc314ba | 284 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
285 | if (r) { |
286 | td_verror(td, r, "chardev_size"); | |
287 | goto err; | |
288 | } | |
289 | ||
290 | if (!bytes) { | |
291 | log_err("%s: zero sized char device?\n", f->file_name); | |
292 | goto err; | |
293 | } | |
294 | ||
295 | f->real_file_size = bytes; | |
296 | td->io_ops->close_file(td, f); | |
297 | return 0; | |
298 | err: | |
299 | td->io_ops->close_file(td, f); | |
300 | return 1; | |
301 | #else | |
302 | f->real_file_size = -1ULL; | |
303 | return 0; | |
304 | #endif | |
305 | } | |
306 | ||
53cdc686 JA |
307 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
308 | { | |
309 | int ret = 0; | |
310 | ||
d6aed795 | 311 | if (fio_file_size_known(f)) |
409b3417 JA |
312 | return 0; |
313 | ||
7bb48f84 JA |
314 | if (f->filetype == FIO_TYPE_FILE) |
315 | ret = file_size(td, f); | |
316 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 | 317 | ret = bdev_size(td, f); |
4ccdccd1 JA |
318 | else if (f->filetype == FIO_TYPE_CHAR) |
319 | ret = char_size(td, f); | |
53cdc686 JA |
320 | else |
321 | f->real_file_size = -1; | |
322 | ||
323 | if (ret) | |
324 | return ret; | |
325 | ||
326 | if (f->file_offset > f->real_file_size) { | |
0f2152c1 | 327 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
5ec10eaa | 328 | f->file_offset, f->real_file_size); |
53cdc686 JA |
329 | return 1; |
330 | } | |
331 | ||
d6aed795 | 332 | fio_file_set_size_known(f); |
53cdc686 JA |
333 | return 0; |
334 | } | |
335 | ||
3baddf24 JA |
336 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
337 | unsigned long long off, | |
338 | unsigned long long len) | |
e5b401d4 JA |
339 | { |
340 | int ret = 0; | |
341 | ||
5e0074c2 | 342 | if (len == -1ULL) |
3baddf24 JA |
343 | len = f->io_size; |
344 | if (off == -1ULL) | |
345 | off = f->file_offset; | |
ee56ad50 | 346 | |
0d1cd207 JA |
347 | if (len == -1ULL || off == -1ULL) |
348 | return 0; | |
349 | ||
3baddf24 JA |
350 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
351 | len); | |
b5af8293 | 352 | |
e5b401d4 JA |
353 | /* |
354 | * FIXME: add blockdev flushing too | |
355 | */ | |
a1c58075 | 356 | if (f->mmap_ptr) { |
03e20d68 | 357 | ret = posix_madvise(f->mmap_ptr, f->mmap_sz, POSIX_MADV_DONTNEED); |
a1c58075 | 358 | #ifdef FIO_MADV_FREE |
03e20d68 | 359 | (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE); |
a1c58075 JA |
360 | #endif |
361 | } else if (f->filetype == FIO_TYPE_FILE) { | |
ecc314ba | 362 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
5ec10eaa | 363 | } else if (f->filetype == FIO_TYPE_BD) { |
ecc314ba | 364 | ret = blockdev_invalidate_cache(f); |
7e0e25c9 | 365 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 366 | if (!root_warn) { |
5ec10eaa JA |
367 | log_err("fio: only root may flush block " |
368 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
369 | root_warn = 1; |
370 | } | |
7e0e25c9 JA |
371 | ret = 0; |
372 | } | |
b5605e9d | 373 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
374 | ret = 0; |
375 | ||
376 | if (ret < 0) { | |
e1161c32 | 377 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 | 378 | return 1; |
3baddf24 JA |
379 | } else if (ret > 0) { |
380 | td_verror(td, ret, "invalidate_cache"); | |
381 | return 1; | |
e5b401d4 JA |
382 | } |
383 | ||
ad2da605 | 384 | return ret; |
3baddf24 JA |
385 | |
386 | } | |
387 | ||
388 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
389 | { | |
d6aed795 | 390 | if (!fio_file_open(f)) |
a5fb461f JA |
391 | return 0; |
392 | ||
5e0074c2 | 393 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
394 | } |
395 | ||
6977bcd0 | 396 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 397 | { |
6977bcd0 JA |
398 | int ret = 0; |
399 | ||
ee56ad50 | 400 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
401 | |
402 | remove_file_hash(f); | |
403 | ||
6977bcd0 JA |
404 | if (close(f->fd) < 0) |
405 | ret = errno; | |
406 | ||
b5af8293 | 407 | f->fd = -1; |
6977bcd0 | 408 | return ret; |
53cdc686 JA |
409 | } |
410 | ||
4d4e80f2 | 411 | static int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 412 | { |
29c1349f | 413 | struct fio_file *__f; |
4d4e80f2 JA |
414 | int from_hash; |
415 | ||
416 | __f = lookup_file_hash(f->file_name); | |
417 | if (__f) { | |
9efef3c4 | 418 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
419 | /* |
420 | * racy, need the __f->lock locked | |
421 | */ | |
422 | f->lock = __f->lock; | |
423 | f->lock_owner = __f->lock_owner; | |
424 | f->lock_batch = __f->lock_batch; | |
425 | f->lock_ddir = __f->lock_ddir; | |
4d4e80f2 JA |
426 | from_hash = 1; |
427 | } else { | |
9efef3c4 | 428 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
429 | from_hash = 0; |
430 | } | |
431 | ||
e8670ef8 | 432 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
433 | return from_hash; |
434 | } | |
435 | ||
436 | int generic_open_file(struct thread_data *td, struct fio_file *f) | |
437 | { | |
66159828 | 438 | int is_std = 0; |
53cdc686 | 439 | int flags = 0; |
29c1349f | 440 | int from_hash = 0; |
53cdc686 | 441 | |
ee56ad50 JA |
442 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
443 | ||
66159828 JA |
444 | if (!strcmp(f->file_name, "-")) { |
445 | if (td_rw(td)) { | |
446 | log_err("fio: can't read/write to stdin/out\n"); | |
447 | return 1; | |
448 | } | |
449 | is_std = 1; | |
ce98fa66 JA |
450 | |
451 | /* | |
452 | * move output logging to stderr, if we are writing to stdout | |
453 | */ | |
454 | if (td_write(td)) | |
455 | f_out = stderr; | |
66159828 JA |
456 | } |
457 | ||
2dc1bbeb | 458 | if (td->o.odirect) |
2fd233b7 | 459 | flags |= OS_O_DIRECT; |
2dc1bbeb | 460 | if (td->o.sync_io) |
2fd233b7 | 461 | flags |= O_SYNC; |
ad92396c | 462 | if (f->filetype != FIO_TYPE_FILE) |
5921e80c | 463 | flags |= FIO_O_NOATIME; |
814452bd JA |
464 | if (td->o.create_on_open) |
465 | flags |= O_CREAT; | |
53cdc686 | 466 | |
056f3459 | 467 | open_again: |
660a1cb5 | 468 | if (td_write(td)) { |
17308158 JA |
469 | if (!read_only) |
470 | flags |= O_RDWR; | |
53cdc686 | 471 | |
af52b345 | 472 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 473 | flags |= O_CREAT; |
2fd233b7 | 474 | |
66159828 JA |
475 | if (is_std) |
476 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
477 | else |
478 | from_hash = file_lookup_open(f, flags); | |
2fd233b7 | 479 | } else { |
4241ea8f | 480 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
481 | flags |= O_RDWR; |
482 | else | |
483 | flags |= O_RDONLY; | |
484 | ||
66159828 JA |
485 | if (is_std) |
486 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
487 | else |
488 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
489 | } |
490 | ||
491 | if (f->fd == -1) { | |
e4e33258 | 492 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
493 | int __e = errno; |
494 | ||
835d9b9e | 495 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 496 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
497 | goto open_again; |
498 | } | |
499 | ||
e8670ef8 | 500 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
e4e33258 JA |
501 | |
502 | td_verror(td, __e, buf); | |
53cdc686 JA |
503 | } |
504 | ||
29c1349f JA |
505 | if (!from_hash && f->fd != -1) { |
506 | if (add_file_hash(f)) { | |
507 | int ret; | |
508 | ||
509 | /* | |
510 | * OK to ignore, we haven't done anything with it | |
511 | */ | |
512 | ret = generic_close_file(td, f); | |
513 | goto open_again; | |
514 | } | |
515 | } | |
4906e0b5 | 516 | |
53cdc686 | 517 | return 0; |
b5af8293 JA |
518 | } |
519 | ||
df9c26b1 | 520 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 521 | { |
df9c26b1 | 522 | return get_file_size(td, f); |
21972cde JA |
523 | } |
524 | ||
7bb48f84 JA |
525 | /* |
526 | * open/close all files, so that ->real_file_size gets set | |
527 | */ | |
bab3fd58 | 528 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
529 | { |
530 | struct fio_file *f; | |
531 | unsigned int i; | |
bab3fd58 | 532 | int err = 0; |
7bb48f84 JA |
533 | |
534 | for_each_file(td, f, i) { | |
5ec10eaa JA |
535 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
536 | f->file_name); | |
9efef3c4 | 537 | |
99a47c69 | 538 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
539 | if (td->error != ENOENT) { |
540 | log_err("%s\n", td->verror); | |
541 | err = 1; | |
542 | } | |
541d66d7 | 543 | clear_error(td); |
07eb79df | 544 | } |
409b3417 JA |
545 | |
546 | if (f->real_file_size == -1ULL && td->o.size) | |
547 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 548 | } |
bab3fd58 JA |
549 | |
550 | return err; | |
7bb48f84 JA |
551 | } |
552 | ||
2e3bd4c2 JA |
553 | struct fio_mount { |
554 | struct flist_head list; | |
555 | const char *base; | |
556 | char __base[256]; | |
557 | unsigned int key; | |
558 | }; | |
559 | ||
560 | /* | |
561 | * Get free number of bytes for each file on each unique mount. | |
562 | */ | |
563 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
564 | { | |
565 | struct flist_head *n, *tmp; | |
68b0316f | 566 | unsigned long long ret = 0; |
2e3bd4c2 JA |
567 | struct fio_mount *fm; |
568 | FLIST_HEAD(list); | |
569 | struct fio_file *f; | |
570 | unsigned int i; | |
571 | ||
572 | for_each_file(td, f, i) { | |
573 | struct stat sb; | |
574 | char buf[256]; | |
575 | ||
4ccdccd1 JA |
576 | if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) { |
577 | if (f->real_file_size != -1ULL) | |
578 | ret += f->real_file_size; | |
68b0316f JA |
579 | continue; |
580 | } else if (f->filetype != FIO_TYPE_FILE) | |
581 | continue; | |
582 | ||
2e3bd4c2 JA |
583 | strcpy(buf, f->file_name); |
584 | ||
585 | if (stat(buf, &sb) < 0) { | |
586 | if (errno != ENOENT) | |
587 | break; | |
588 | strcpy(buf, "."); | |
589 | if (stat(buf, &sb) < 0) | |
590 | break; | |
591 | } | |
592 | ||
593 | fm = NULL; | |
594 | flist_for_each(n, &list) { | |
595 | fm = flist_entry(n, struct fio_mount, list); | |
596 | if (fm->key == sb.st_dev) | |
597 | break; | |
598 | ||
599 | fm = NULL; | |
600 | } | |
601 | ||
602 | if (fm) | |
603 | continue; | |
604 | ||
605 | fm = malloc(sizeof(*fm)); | |
606 | strcpy(fm->__base, buf); | |
607 | fm->base = basename(fm->__base); | |
608 | fm->key = sb.st_dev; | |
609 | flist_add(&fm->list, &list); | |
610 | } | |
611 | ||
2e3bd4c2 JA |
612 | flist_for_each_safe(n, tmp, &list) { |
613 | unsigned long long sz; | |
614 | ||
615 | fm = flist_entry(n, struct fio_mount, list); | |
616 | flist_del(&fm->list); | |
617 | ||
618 | sz = get_fs_size(fm->base); | |
619 | if (sz && sz != -1ULL) | |
620 | ret += sz; | |
621 | ||
622 | free(fm); | |
623 | } | |
624 | ||
625 | return ret; | |
626 | } | |
627 | ||
7bb48f84 JA |
628 | /* |
629 | * Open the files and setup files sizes, creating files if necessary. | |
630 | */ | |
53cdc686 JA |
631 | int setup_files(struct thread_data *td) |
632 | { | |
7bb48f84 | 633 | unsigned long long total_size, extend_size; |
53cdc686 | 634 | struct fio_file *f; |
af52b345 | 635 | unsigned int i; |
000b0803 | 636 | int err = 0, need_extend; |
53cdc686 | 637 | |
ee56ad50 JA |
638 | dprint(FD_FILE, "setup files\n"); |
639 | ||
691c8fb0 JA |
640 | if (td->o.read_iolog_file) |
641 | return 0; | |
642 | ||
53cdc686 JA |
643 | /* |
644 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
645 | * opening the files and setting f->real_file_size to indicate |
646 | * the valid range for that file. | |
53cdc686 JA |
647 | */ |
648 | if (td->io_ops->setup) | |
7bb48f84 JA |
649 | err = td->io_ops->setup(td); |
650 | else | |
bab3fd58 | 651 | err = get_file_sizes(td); |
53cdc686 | 652 | |
f1027063 JA |
653 | if (err) |
654 | return err; | |
655 | ||
0a7eb121 | 656 | /* |
7bb48f84 JA |
657 | * check sizes. if the files/devices do not exist and the size |
658 | * isn't passed to fio, abort. | |
0a7eb121 | 659 | */ |
7bb48f84 JA |
660 | total_size = 0; |
661 | for_each_file(td, f, i) { | |
662 | if (f->real_file_size == -1ULL) | |
663 | total_size = -1ULL; | |
664 | else | |
665 | total_size += f->real_file_size; | |
666 | } | |
0a7eb121 | 667 | |
2e3bd4c2 JA |
668 | if (td->o.fill_device) |
669 | td->fill_device_size = get_fs_free_counts(td); | |
670 | ||
7bb48f84 JA |
671 | /* |
672 | * device/file sizes are zero and no size given, punt | |
673 | */ | |
1f809d15 | 674 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
aa31f1f1 | 675 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
7bb48f84 | 676 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 677 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
678 | return 1; |
679 | } | |
680 | ||
7bb48f84 JA |
681 | /* |
682 | * now file sizes are known, so we can set ->io_size. if size= is | |
683 | * not given, ->io_size is just equal to ->real_file_size. if size | |
684 | * is given, ->io_size is size / nr_files. | |
685 | */ | |
686 | extend_size = total_size = 0; | |
687 | need_extend = 0; | |
688 | for_each_file(td, f, i) { | |
bcdedd0a YHJT |
689 | f->file_offset = td->o.start_offset; |
690 | ||
7bb48f84 JA |
691 | if (!td->o.file_size_low) { |
692 | /* | |
693 | * no file size range given, file size is equal to | |
694 | * total size divided by number of files. if that is | |
695 | * zero, set it to the real file size. | |
696 | */ | |
697 | f->io_size = td->o.size / td->o.nr_files; | |
65bdb10a | 698 | if (!f->io_size) |
273f8c91 | 699 | f->io_size = f->real_file_size - f->file_offset; |
7bb48f84 JA |
700 | } else if (f->real_file_size < td->o.file_size_low || |
701 | f->real_file_size > td->o.file_size_high) { | |
5ec10eaa | 702 | if (f->file_offset > td->o.file_size_low) |
bcdedd0a | 703 | goto err_offset; |
7bb48f84 JA |
704 | /* |
705 | * file size given. if it's fixed, use that. if it's a | |
706 | * range, generate a random size in-between. | |
707 | */ | |
5ec10eaa JA |
708 | if (td->o.file_size_low == td->o.file_size_high) { |
709 | f->io_size = td->o.file_size_low | |
710 | - f->file_offset; | |
711 | } else { | |
712 | f->io_size = get_rand_file_size(td) | |
713 | - f->file_offset; | |
714 | } | |
65bdb10a | 715 | } else |
bcdedd0a | 716 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 717 | |
7bb48f84 JA |
718 | if (f->io_size == -1ULL) |
719 | total_size = -1ULL; | |
720 | else | |
721 | total_size += f->io_size; | |
722 | ||
723 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 724 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 | 725 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
814452bd JA |
726 | if (!td->o.create_on_open) { |
727 | need_extend++; | |
728 | extend_size += (f->io_size + f->file_offset); | |
729 | } else | |
730 | f->real_file_size = f->io_size + f->file_offset; | |
d6aed795 | 731 | fio_file_set_extend(f); |
5ec10eaa | 732 | } |
7bb48f84 | 733 | } |
53cdc686 | 734 | |
2298290e | 735 | if (!td->o.size || td->o.size > total_size) |
7bb48f84 | 736 | td->o.size = total_size; |
21972cde | 737 | |
7bb48f84 JA |
738 | /* |
739 | * See if we need to extend some files | |
740 | */ | |
741 | if (need_extend) { | |
742 | temp_stall_ts = 1; | |
a7ba8c5f SSY |
743 | if (!terse_output) |
744 | log_info("%s: Laying out IO file(s) (%u file(s) /" | |
0f2152c1 | 745 | " %lluMB)\n", td->o.name, need_extend, |
a7ba8c5f | 746 | extend_size >> 20); |
7bb48f84 JA |
747 | |
748 | for_each_file(td, f, i) { | |
5e0074c2 | 749 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 750 | |
d6aed795 | 751 | if (!fio_file_extend(f)) |
7bb48f84 JA |
752 | continue; |
753 | ||
409b3417 | 754 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 755 | fio_file_clear_extend(f); |
5e0074c2 JA |
756 | if (!td->o.fill_device) { |
757 | old_len = f->real_file_size; | |
0b9d69ec JA |
758 | extend_len = f->io_size + f->file_offset - |
759 | old_len; | |
5e0074c2 | 760 | } |
bcdedd0a | 761 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
762 | err = extend_file(td, f); |
763 | if (err) | |
3baddf24 | 764 | break; |
5e0074c2 | 765 | |
3baddf24 JA |
766 | err = __file_invalidate_cache(td, f, old_len, |
767 | extend_len); | |
768 | close(f->fd); | |
769 | f->fd = -1; | |
770 | if (err) | |
7bb48f84 JA |
771 | break; |
772 | } | |
773 | temp_stall_ts = 0; | |
774 | } | |
775 | ||
776 | if (err) | |
777 | return err; | |
778 | ||
779 | if (!td->o.zone_size) | |
780 | td->o.zone_size = td->o.size; | |
781 | ||
ea966f81 JA |
782 | /* |
783 | * iolog already set the total io size, if we read back | |
784 | * stored entries. | |
785 | */ | |
786 | if (!td->o.read_iolog_file) | |
787 | td->total_io_size = td->o.size * td->o.loops; | |
7bb48f84 | 788 | return 0; |
bcdedd0a YHJT |
789 | err_offset: |
790 | log_err("%s: you need to specify valid offset=\n", td->o.name); | |
791 | return 1; | |
53cdc686 JA |
792 | } |
793 | ||
afad68f7 ZY |
794 | int pre_read_files(struct thread_data *td) |
795 | { | |
796 | struct fio_file *f; | |
797 | unsigned int i; | |
798 | ||
799 | dprint(FD_FILE, "pre_read files\n"); | |
800 | ||
801 | for_each_file(td, f, i) { | |
802 | pre_read_file(td, f); | |
803 | } | |
804 | ||
805 | return 1; | |
806 | } | |
807 | ||
68727076 JA |
808 | int init_random_map(struct thread_data *td) |
809 | { | |
509eab12 | 810 | unsigned long long blocks, num_maps; |
68727076 JA |
811 | struct fio_file *f; |
812 | unsigned int i; | |
813 | ||
de8dd119 | 814 | if (td->o.norandommap || !td_random(td)) |
68727076 JA |
815 | return 0; |
816 | ||
817 | for_each_file(td, f, i) { | |
5ec10eaa JA |
818 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / |
819 | (unsigned long long) td->o.rw_min_bs; | |
820 | num_maps = (blocks + BLOCKS_PER_MAP - 1) / | |
821 | (unsigned long long) BLOCKS_PER_MAP; | |
0ce8b119 | 822 | f->file_map = smalloc(num_maps * sizeof(unsigned long)); |
303032ae JA |
823 | if (f->file_map) { |
824 | f->num_maps = num_maps; | |
825 | continue; | |
68727076 | 826 | } |
2b386d25 | 827 | if (!td->o.softrandommap) { |
5ec10eaa JA |
828 | log_err("fio: failed allocating random map. If running" |
829 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
830 | " option or set 'softrandommap'. Or give" |
831 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
832 | return 1; |
833 | } | |
303032ae JA |
834 | |
835 | log_info("fio: file %s failed allocating random map. Running " | |
836 | "job without.\n", f->file_name); | |
837 | f->num_maps = 0; | |
68727076 JA |
838 | } |
839 | ||
840 | return 0; | |
841 | } | |
842 | ||
53cdc686 JA |
843 | void close_files(struct thread_data *td) |
844 | { | |
0ab8db89 | 845 | struct fio_file *f; |
af52b345 | 846 | unsigned int i; |
53cdc686 | 847 | |
2be3eec3 JA |
848 | for_each_file(td, f, i) { |
849 | if (fio_file_open(f)) | |
850 | td_io_close_file(td, f); | |
851 | } | |
24ffd2c2 JA |
852 | } |
853 | ||
854 | void close_and_free_files(struct thread_data *td) | |
855 | { | |
856 | struct fio_file *f; | |
857 | unsigned int i; | |
858 | ||
ee56ad50 JA |
859 | dprint(FD_FILE, "close files\n"); |
860 | ||
0ab8db89 | 861 | for_each_file(td, f, i) { |
ffdfabd4 JA |
862 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
863 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
132ad46d | 864 | unlink(f->file_name); |
ffdfabd4 | 865 | } |
bdb4e2e9 | 866 | |
22a57ba8 JA |
867 | if (fio_file_open(f)) |
868 | td_io_close_file(td, f); | |
869 | ||
b9fbcf21 | 870 | remove_file_hash(f); |
b3dc7f07 | 871 | |
f17c4392 | 872 | sfree(f->file_name); |
fa1da865 | 873 | f->file_name = NULL; |
61eb313e JA |
874 | sfree(f->file_map); |
875 | f->file_map = NULL; | |
78d99e6a | 876 | sfree(f); |
53cdc686 | 877 | } |
b4a6a59a | 878 | |
2dc1bbeb | 879 | td->o.filename = NULL; |
cade3ef4 | 880 | free(td->files); |
9efef3c4 | 881 | td->files_index = 0; |
b4a6a59a | 882 | td->files = NULL; |
2dc1bbeb | 883 | td->o.nr_files = 0; |
53cdc686 | 884 | } |
af52b345 | 885 | |
e3bab463 | 886 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
887 | { |
888 | struct stat sb; | |
889 | ||
66159828 JA |
890 | if (!strcmp(f->file_name, "-")) |
891 | f->filetype = FIO_TYPE_PIPE; | |
892 | else | |
893 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 894 | |
b30d395e | 895 | if (!stat(f->file_name, &sb)) { |
ecc314ba BC |
896 | /* \\.\ is the device namespace in Windows, where every file is |
897 | * a block device */ | |
898 | if (S_ISBLK(sb.st_mode) || strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
af52b345 JA |
899 | f->filetype = FIO_TYPE_BD; |
900 | else if (S_ISCHR(sb.st_mode)) | |
901 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
902 | else if (S_ISFIFO(sb.st_mode)) |
903 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
904 | } |
905 | } | |
906 | ||
f29b25a3 | 907 | int add_file(struct thread_data *td, const char *fname) |
af52b345 | 908 | { |
7b4e4fe5 | 909 | int cur_files = td->files_index; |
bd0ee748 | 910 | char file_name[PATH_MAX]; |
af52b345 | 911 | struct fio_file *f; |
bd0ee748 | 912 | int len = 0; |
af52b345 | 913 | |
ee56ad50 JA |
914 | dprint(FD_FILE, "add file %s\n", fname); |
915 | ||
f17c4392 | 916 | f = smalloc(sizeof(*f)); |
c48c0be7 JA |
917 | if (!f) { |
918 | log_err("fio: smalloc OOM\n"); | |
919 | assert(0); | |
920 | } | |
0b9d69ec | 921 | |
af52b345 | 922 | f->fd = -1; |
38dad62d | 923 | fio_file_reset(f); |
bd0ee748 | 924 | |
fc99bc0d | 925 | if (td->files_size <= td->files_index) { |
4b341fca | 926 | int new_size = td->o.nr_files + 1; |
126d65c6 | 927 | |
fc99bc0d JA |
928 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
929 | ||
930 | td->files = realloc(td->files, new_size * sizeof(f)); | |
fc99bc0d JA |
931 | td->files_size = new_size; |
932 | } | |
8bb7679e | 933 | td->files[cur_files] = f; |
126d65c6 | 934 | |
07eb79df JA |
935 | /* |
936 | * init function, io engine may not be loaded yet | |
937 | */ | |
938 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
939 | f->real_file_size = -1ULL; | |
940 | ||
bd0ee748 JA |
941 | if (td->o.directory) |
942 | len = sprintf(file_name, "%s/", td->o.directory); | |
943 | ||
944 | sprintf(file_name + len, "%s", fname); | |
f17c4392 | 945 | f->file_name = smalloc_strdup(file_name); |
c48c0be7 JA |
946 | if (!f->file_name) { |
947 | log_err("fio: smalloc OOM\n"); | |
948 | assert(0); | |
949 | } | |
0b9d69ec | 950 | |
e3bab463 | 951 | get_file_type(f); |
af52b345 | 952 | |
4d4e80f2 JA |
953 | switch (td->o.file_lock_mode) { |
954 | case FILE_LOCK_NONE: | |
955 | break; | |
956 | case FILE_LOCK_READWRITE: | |
957 | f->lock = fio_mutex_rw_init(); | |
958 | break; | |
959 | case FILE_LOCK_EXCLUSIVE: | |
960 | f->lock = fio_mutex_init(1); | |
961 | break; | |
962 | default: | |
963 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
964 | assert(0); | |
965 | } | |
29c1349f | 966 | |
7b4e4fe5 | 967 | td->files_index++; |
1549441c JA |
968 | if (f->filetype == FIO_TYPE_FILE) |
969 | td->nr_normal_files++; | |
f29b25a3 | 970 | |
5ec10eaa JA |
971 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
972 | cur_files); | |
9efef3c4 | 973 | |
f29b25a3 | 974 | return cur_files; |
af52b345 | 975 | } |
0ad920e7 | 976 | |
49ffb4a2 JA |
977 | int add_file_exclusive(struct thread_data *td, const char *fname) |
978 | { | |
979 | struct fio_file *f; | |
980 | unsigned int i; | |
981 | ||
982 | for_each_file(td, f, i) { | |
983 | if (!strcmp(f->file_name, fname)) | |
984 | return i; | |
985 | } | |
986 | ||
987 | return add_file(td, fname); | |
988 | } | |
989 | ||
0ad920e7 JA |
990 | void get_file(struct fio_file *f) |
991 | { | |
8172fe97 | 992 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 993 | assert(fio_file_open(f)); |
0ad920e7 JA |
994 | f->references++; |
995 | } | |
996 | ||
6977bcd0 | 997 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 998 | { |
98e1ac4e | 999 | int f_ret = 0, ret = 0; |
6977bcd0 | 1000 | |
8172fe97 | 1001 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1002 | |
22a57ba8 JA |
1003 | if (!fio_file_open(f)) { |
1004 | assert(f->fd == -1); | |
6977bcd0 | 1005 | return 0; |
22a57ba8 | 1006 | } |
0ad920e7 JA |
1007 | |
1008 | assert(f->references); | |
1009 | if (--f->references) | |
6977bcd0 | 1010 | return 0; |
0ad920e7 | 1011 | |
d424d4dd | 1012 | if (should_fsync(td) && td->o.fsync_on_close) |
98e1ac4e | 1013 | f_ret = fsync(f->fd); |
ebb1415f | 1014 | |
0ad920e7 | 1015 | if (td->io_ops->close_file) |
6977bcd0 | 1016 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1017 | |
98e1ac4e | 1018 | if (!ret) |
a5fb461f | 1019 | ret = f_ret; |
98e1ac4e | 1020 | |
0ad920e7 | 1021 | td->nr_open_files--; |
d6aed795 | 1022 | fio_file_clear_open(f); |
22a57ba8 | 1023 | assert(f->fd == -1); |
6977bcd0 | 1024 | return ret; |
0ad920e7 | 1025 | } |
bbf6b540 | 1026 | |
4d4e80f2 | 1027 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1028 | { |
4d4e80f2 JA |
1029 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1030 | return; | |
29c1349f | 1031 | |
4d4e80f2 JA |
1032 | if (f->lock_owner == td && f->lock_batch--) |
1033 | return; | |
1034 | ||
1035 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
1036 | if (ddir == DDIR_READ) | |
1037 | fio_mutex_down_read(f->lock); | |
1038 | else | |
1039 | fio_mutex_down_write(f->lock); | |
1040 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
1041 | fio_mutex_down(f->lock); | |
1042 | ||
1043 | f->lock_owner = td; | |
1044 | f->lock_batch = td->o.lockfile_batch; | |
1045 | f->lock_ddir = ddir; | |
b2bd2bd9 JA |
1046 | } |
1047 | ||
4d4e80f2 | 1048 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1049 | { |
4d4e80f2 JA |
1050 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1051 | return; | |
1052 | if (f->lock_batch) | |
1053 | return; | |
1054 | ||
1055 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
1056 | const int is_read = f->lock_ddir == DDIR_READ; | |
1057 | int val = fio_mutex_getval(f->lock); | |
29c1349f | 1058 | |
4d4e80f2 JA |
1059 | if ((is_read && val == 1) || (!is_read && val == -1)) |
1060 | f->lock_owner = NULL; | |
29c1349f | 1061 | |
4d4e80f2 JA |
1062 | if (is_read) |
1063 | fio_mutex_up_read(f->lock); | |
1064 | else | |
1065 | fio_mutex_up_write(f->lock); | |
1066 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) { | |
1067 | int val = fio_mutex_getval(f->lock); | |
1068 | ||
1069 | if (val == 0) | |
1070 | f->lock_owner = NULL; | |
1071 | ||
1072 | fio_mutex_up(f->lock); | |
29c1349f | 1073 | } |
b2bd2bd9 JA |
1074 | } |
1075 | ||
4d4e80f2 JA |
1076 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1077 | { | |
1078 | if (f->lock_owner != td) | |
1079 | return; | |
1080 | ||
1081 | f->lock_batch = 0; | |
1082 | unlock_file(td, f); | |
1083 | } | |
1084 | ||
bbf6b540 JA |
1085 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1086 | { | |
1087 | struct dirent *dir; | |
1088 | int ret = 0; | |
1089 | DIR *D; | |
1090 | ||
1091 | D = opendir(dirname); | |
1092 | if (!D) { | |
0ddb270c JA |
1093 | char buf[FIO_VERROR_SIZE]; |
1094 | ||
1095 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
1096 | td_verror(td, errno, buf); | |
bbf6b540 JA |
1097 | return 1; |
1098 | } | |
1099 | ||
1100 | while ((dir = readdir(D)) != NULL) { | |
1101 | char full_path[PATH_MAX]; | |
1102 | struct stat sb; | |
1103 | ||
e85b2b83 JA |
1104 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1105 | continue; | |
96d32d51 | 1106 | |
bbf6b540 JA |
1107 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
1108 | ||
1109 | if (lstat(full_path, &sb) == -1) { | |
1110 | if (errno != ENOENT) { | |
1111 | td_verror(td, errno, "stat"); | |
1112 | return 1; | |
1113 | } | |
1114 | } | |
1115 | ||
1116 | if (S_ISREG(sb.st_mode)) { | |
1117 | add_file(td, full_path); | |
2dc1bbeb | 1118 | td->o.nr_files++; |
bbf6b540 JA |
1119 | continue; |
1120 | } | |
0ddb270c JA |
1121 | if (!S_ISDIR(sb.st_mode)) |
1122 | continue; | |
bbf6b540 | 1123 | |
5ec10eaa JA |
1124 | ret = recurse_dir(td, full_path); |
1125 | if (ret) | |
bbf6b540 JA |
1126 | break; |
1127 | } | |
1128 | ||
1129 | closedir(D); | |
1130 | return ret; | |
1131 | } | |
1132 | ||
1133 | int add_dir_files(struct thread_data *td, const char *path) | |
1134 | { | |
0ddb270c JA |
1135 | int ret = recurse_dir(td, path); |
1136 | ||
1137 | if (!ret) | |
1138 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1139 | ||
1140 | return ret; | |
bbf6b540 | 1141 | } |
cade3ef4 JA |
1142 | |
1143 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1144 | { | |
1145 | struct fio_file *f; | |
1146 | unsigned int i; | |
9efef3c4 JA |
1147 | |
1148 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1149 | |
1150 | if (!org->files) | |
1151 | return; | |
1152 | ||
9efef3c4 | 1153 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1154 | |
9efef3c4 | 1155 | for_each_file(org, f, i) { |
b0fe421a JA |
1156 | struct fio_file *__f; |
1157 | ||
f17c4392 | 1158 | __f = smalloc(sizeof(*__f)); |
c48c0be7 JA |
1159 | if (!__f) { |
1160 | log_err("fio: smalloc OOM\n"); | |
1161 | assert(0); | |
1162 | } | |
22a57ba8 | 1163 | __f->fd = -1; |
38dad62d | 1164 | fio_file_reset(__f); |
0b9d69ec | 1165 | |
bc3456fa | 1166 | if (f->file_name) { |
f17c4392 | 1167 | __f->file_name = smalloc_strdup(f->file_name); |
c48c0be7 JA |
1168 | if (!__f->file_name) { |
1169 | log_err("fio: smalloc OOM\n"); | |
1170 | assert(0); | |
1171 | } | |
0b9d69ec | 1172 | |
bc3456fa AC |
1173 | __f->filetype = f->filetype; |
1174 | } | |
b0fe421a JA |
1175 | |
1176 | td->files[i] = __f; | |
cade3ef4 JA |
1177 | } |
1178 | } | |
f29b25a3 JA |
1179 | |
1180 | /* | |
1181 | * Returns the index that matches the filename, or -1 if not there | |
1182 | */ | |
1183 | int get_fileno(struct thread_data *td, const char *fname) | |
1184 | { | |
1185 | struct fio_file *f; | |
1186 | unsigned int i; | |
1187 | ||
1188 | for_each_file(td, f, i) | |
1189 | if (!strcmp(f->file_name, fname)) | |
1190 | return i; | |
1191 | ||
1192 | return -1; | |
1193 | } | |
1194 | ||
1195 | /* | |
1196 | * For log usage, where we add/open/close files automatically | |
1197 | */ | |
1198 | void free_release_files(struct thread_data *td) | |
1199 | { | |
1200 | close_files(td); | |
1201 | td->files_index = 0; | |
1202 | td->nr_normal_files = 0; | |
1203 | } |