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 | ||
9c60ce64 | 213 | r = os_random_long(&td->file_size_state); |
dc873b6f JA |
214 | sized = td->o.file_size_high - td->o.file_size_low; |
215 | ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0))); | |
5ec10eaa | 216 | ret += td->o.file_size_low; |
2dc1bbeb | 217 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
218 | return ret; |
219 | } | |
220 | ||
53cdc686 JA |
221 | static int file_size(struct thread_data *td, struct fio_file *f) |
222 | { | |
223 | struct stat st; | |
224 | ||
df9c26b1 | 225 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
226 | td_verror(td, errno, "fstat"); |
227 | return 1; | |
228 | } | |
53cdc686 | 229 | |
7bb48f84 | 230 | f->real_file_size = st.st_size; |
53cdc686 JA |
231 | return 0; |
232 | } | |
233 | ||
234 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
235 | { | |
9b836561 | 236 | unsigned long long bytes = 0; |
53cdc686 JA |
237 | int r; |
238 | ||
df9c26b1 JA |
239 | if (td->io_ops->open_file(td, f)) { |
240 | log_err("fio: failed opening blockdev %s for size check\n", | |
241 | f->file_name); | |
242 | return 1; | |
243 | } | |
244 | ||
ecc314ba | 245 | r = blockdev_size(f, &bytes); |
53cdc686 | 246 | if (r) { |
e1161c32 | 247 | td_verror(td, r, "blockdev_size"); |
0e238572 | 248 | printf("fd is %d\n", f->fd); |
df9c26b1 | 249 | goto err; |
53cdc686 JA |
250 | } |
251 | ||
7ab077ab JA |
252 | if (!bytes) { |
253 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 254 | goto err; |
7ab077ab JA |
255 | } |
256 | ||
53cdc686 | 257 | f->real_file_size = bytes; |
22a57ba8 | 258 | td->io_ops->close_file(td, f); |
53cdc686 | 259 | return 0; |
df9c26b1 JA |
260 | err: |
261 | td->io_ops->close_file(td, f); | |
262 | return 1; | |
53cdc686 JA |
263 | } |
264 | ||
4ccdccd1 JA |
265 | static int char_size(struct thread_data *td, struct fio_file *f) |
266 | { | |
267 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 268 | unsigned long long bytes = 0; |
4ccdccd1 JA |
269 | int r; |
270 | ||
271 | if (td->io_ops->open_file(td, f)) { | |
272 | log_err("fio: failed opening blockdev %s for size check\n", | |
273 | f->file_name); | |
274 | return 1; | |
275 | } | |
276 | ||
ecc314ba | 277 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
278 | if (r) { |
279 | td_verror(td, r, "chardev_size"); | |
280 | goto err; | |
281 | } | |
282 | ||
283 | if (!bytes) { | |
284 | log_err("%s: zero sized char device?\n", f->file_name); | |
285 | goto err; | |
286 | } | |
287 | ||
288 | f->real_file_size = bytes; | |
289 | td->io_ops->close_file(td, f); | |
290 | return 0; | |
291 | err: | |
292 | td->io_ops->close_file(td, f); | |
293 | return 1; | |
294 | #else | |
295 | f->real_file_size = -1ULL; | |
296 | return 0; | |
297 | #endif | |
298 | } | |
299 | ||
53cdc686 JA |
300 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
301 | { | |
302 | int ret = 0; | |
303 | ||
d6aed795 | 304 | if (fio_file_size_known(f)) |
409b3417 JA |
305 | return 0; |
306 | ||
7bb48f84 JA |
307 | if (f->filetype == FIO_TYPE_FILE) |
308 | ret = file_size(td, f); | |
309 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 | 310 | ret = bdev_size(td, f); |
4ccdccd1 JA |
311 | else if (f->filetype == FIO_TYPE_CHAR) |
312 | ret = char_size(td, f); | |
53cdc686 JA |
313 | else |
314 | f->real_file_size = -1; | |
315 | ||
316 | if (ret) | |
317 | return ret; | |
318 | ||
319 | if (f->file_offset > f->real_file_size) { | |
0f2152c1 | 320 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
5ec10eaa | 321 | f->file_offset, f->real_file_size); |
53cdc686 JA |
322 | return 1; |
323 | } | |
324 | ||
d6aed795 | 325 | fio_file_set_size_known(f); |
53cdc686 JA |
326 | return 0; |
327 | } | |
328 | ||
3baddf24 JA |
329 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
330 | unsigned long long off, | |
331 | unsigned long long len) | |
e5b401d4 JA |
332 | { |
333 | int ret = 0; | |
334 | ||
5e0074c2 | 335 | if (len == -1ULL) |
3baddf24 JA |
336 | len = f->io_size; |
337 | if (off == -1ULL) | |
338 | off = f->file_offset; | |
ee56ad50 | 339 | |
0d1cd207 JA |
340 | if (len == -1ULL || off == -1ULL) |
341 | return 0; | |
342 | ||
3baddf24 JA |
343 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
344 | len); | |
b5af8293 | 345 | |
e5b401d4 JA |
346 | /* |
347 | * FIXME: add blockdev flushing too | |
348 | */ | |
a1c58075 | 349 | if (f->mmap_ptr) { |
03e20d68 | 350 | ret = posix_madvise(f->mmap_ptr, f->mmap_sz, POSIX_MADV_DONTNEED); |
a1c58075 | 351 | #ifdef FIO_MADV_FREE |
03e20d68 | 352 | (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE); |
a1c58075 JA |
353 | #endif |
354 | } else if (f->filetype == FIO_TYPE_FILE) { | |
ecc314ba | 355 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
5ec10eaa | 356 | } else if (f->filetype == FIO_TYPE_BD) { |
ecc314ba | 357 | ret = blockdev_invalidate_cache(f); |
7e0e25c9 | 358 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 359 | if (!root_warn) { |
5ec10eaa JA |
360 | log_err("fio: only root may flush block " |
361 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
362 | root_warn = 1; |
363 | } | |
7e0e25c9 JA |
364 | ret = 0; |
365 | } | |
b5605e9d | 366 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
367 | ret = 0; |
368 | ||
369 | if (ret < 0) { | |
e1161c32 | 370 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 | 371 | return 1; |
3baddf24 JA |
372 | } else if (ret > 0) { |
373 | td_verror(td, ret, "invalidate_cache"); | |
374 | return 1; | |
e5b401d4 JA |
375 | } |
376 | ||
ad2da605 | 377 | return ret; |
3baddf24 JA |
378 | |
379 | } | |
380 | ||
381 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
382 | { | |
d6aed795 | 383 | if (!fio_file_open(f)) |
a5fb461f JA |
384 | return 0; |
385 | ||
5e0074c2 | 386 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
387 | } |
388 | ||
6977bcd0 | 389 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 390 | { |
6977bcd0 JA |
391 | int ret = 0; |
392 | ||
ee56ad50 | 393 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
394 | |
395 | remove_file_hash(f); | |
396 | ||
6977bcd0 JA |
397 | if (close(f->fd) < 0) |
398 | ret = errno; | |
399 | ||
b5af8293 | 400 | f->fd = -1; |
6977bcd0 | 401 | return ret; |
53cdc686 JA |
402 | } |
403 | ||
4d4e80f2 | 404 | static int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 405 | { |
29c1349f | 406 | struct fio_file *__f; |
4d4e80f2 JA |
407 | int from_hash; |
408 | ||
409 | __f = lookup_file_hash(f->file_name); | |
410 | if (__f) { | |
9efef3c4 | 411 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
412 | /* |
413 | * racy, need the __f->lock locked | |
414 | */ | |
415 | f->lock = __f->lock; | |
416 | f->lock_owner = __f->lock_owner; | |
417 | f->lock_batch = __f->lock_batch; | |
418 | f->lock_ddir = __f->lock_ddir; | |
4d4e80f2 JA |
419 | from_hash = 1; |
420 | } else { | |
9efef3c4 | 421 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
422 | from_hash = 0; |
423 | } | |
424 | ||
e8670ef8 | 425 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
426 | return from_hash; |
427 | } | |
428 | ||
429 | int generic_open_file(struct thread_data *td, struct fio_file *f) | |
430 | { | |
66159828 | 431 | int is_std = 0; |
53cdc686 | 432 | int flags = 0; |
29c1349f | 433 | int from_hash = 0; |
53cdc686 | 434 | |
ee56ad50 JA |
435 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
436 | ||
66159828 JA |
437 | if (!strcmp(f->file_name, "-")) { |
438 | if (td_rw(td)) { | |
439 | log_err("fio: can't read/write to stdin/out\n"); | |
440 | return 1; | |
441 | } | |
442 | is_std = 1; | |
ce98fa66 JA |
443 | |
444 | /* | |
445 | * move output logging to stderr, if we are writing to stdout | |
446 | */ | |
447 | if (td_write(td)) | |
448 | f_out = stderr; | |
66159828 JA |
449 | } |
450 | ||
2dc1bbeb | 451 | if (td->o.odirect) |
2fd233b7 | 452 | flags |= OS_O_DIRECT; |
2dc1bbeb | 453 | if (td->o.sync_io) |
2fd233b7 | 454 | flags |= O_SYNC; |
ad92396c | 455 | if (f->filetype != FIO_TYPE_FILE) |
5921e80c | 456 | flags |= FIO_O_NOATIME; |
814452bd JA |
457 | if (td->o.create_on_open) |
458 | flags |= O_CREAT; | |
53cdc686 | 459 | |
056f3459 | 460 | open_again: |
660a1cb5 | 461 | if (td_write(td)) { |
17308158 JA |
462 | if (!read_only) |
463 | flags |= O_RDWR; | |
53cdc686 | 464 | |
af52b345 | 465 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 466 | flags |= O_CREAT; |
2fd233b7 | 467 | |
66159828 JA |
468 | if (is_std) |
469 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
470 | else |
471 | from_hash = file_lookup_open(f, flags); | |
2fd233b7 | 472 | } else { |
4241ea8f | 473 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
474 | flags |= O_RDWR; |
475 | else | |
476 | flags |= O_RDONLY; | |
477 | ||
66159828 JA |
478 | if (is_std) |
479 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
480 | else |
481 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
482 | } |
483 | ||
484 | if (f->fd == -1) { | |
e4e33258 | 485 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
486 | int __e = errno; |
487 | ||
835d9b9e | 488 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 489 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
490 | goto open_again; |
491 | } | |
492 | ||
e8670ef8 | 493 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
e4e33258 JA |
494 | |
495 | td_verror(td, __e, buf); | |
53cdc686 JA |
496 | } |
497 | ||
29c1349f JA |
498 | if (!from_hash && f->fd != -1) { |
499 | if (add_file_hash(f)) { | |
500 | int ret; | |
501 | ||
502 | /* | |
503 | * OK to ignore, we haven't done anything with it | |
504 | */ | |
505 | ret = generic_close_file(td, f); | |
506 | goto open_again; | |
507 | } | |
508 | } | |
4906e0b5 | 509 | |
53cdc686 | 510 | return 0; |
b5af8293 JA |
511 | } |
512 | ||
df9c26b1 | 513 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 514 | { |
df9c26b1 | 515 | return get_file_size(td, f); |
21972cde JA |
516 | } |
517 | ||
7bb48f84 JA |
518 | /* |
519 | * open/close all files, so that ->real_file_size gets set | |
520 | */ | |
bab3fd58 | 521 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
522 | { |
523 | struct fio_file *f; | |
524 | unsigned int i; | |
bab3fd58 | 525 | int err = 0; |
7bb48f84 JA |
526 | |
527 | for_each_file(td, f, i) { | |
5ec10eaa JA |
528 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
529 | f->file_name); | |
9efef3c4 | 530 | |
99a47c69 | 531 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
532 | if (td->error != ENOENT) { |
533 | log_err("%s\n", td->verror); | |
534 | err = 1; | |
535 | } | |
541d66d7 | 536 | clear_error(td); |
07eb79df | 537 | } |
409b3417 JA |
538 | |
539 | if (f->real_file_size == -1ULL && td->o.size) | |
540 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 541 | } |
bab3fd58 JA |
542 | |
543 | return err; | |
7bb48f84 JA |
544 | } |
545 | ||
2e3bd4c2 JA |
546 | struct fio_mount { |
547 | struct flist_head list; | |
548 | const char *base; | |
549 | char __base[256]; | |
550 | unsigned int key; | |
551 | }; | |
552 | ||
553 | /* | |
554 | * Get free number of bytes for each file on each unique mount. | |
555 | */ | |
556 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
557 | { | |
558 | struct flist_head *n, *tmp; | |
68b0316f | 559 | unsigned long long ret = 0; |
2e3bd4c2 JA |
560 | struct fio_mount *fm; |
561 | FLIST_HEAD(list); | |
562 | struct fio_file *f; | |
563 | unsigned int i; | |
564 | ||
565 | for_each_file(td, f, i) { | |
566 | struct stat sb; | |
567 | char buf[256]; | |
568 | ||
4ccdccd1 JA |
569 | if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) { |
570 | if (f->real_file_size != -1ULL) | |
571 | ret += f->real_file_size; | |
68b0316f JA |
572 | continue; |
573 | } else if (f->filetype != FIO_TYPE_FILE) | |
574 | continue; | |
575 | ||
2e3bd4c2 JA |
576 | strcpy(buf, f->file_name); |
577 | ||
578 | if (stat(buf, &sb) < 0) { | |
579 | if (errno != ENOENT) | |
580 | break; | |
581 | strcpy(buf, "."); | |
582 | if (stat(buf, &sb) < 0) | |
583 | break; | |
584 | } | |
585 | ||
586 | fm = NULL; | |
587 | flist_for_each(n, &list) { | |
588 | fm = flist_entry(n, struct fio_mount, list); | |
589 | if (fm->key == sb.st_dev) | |
590 | break; | |
591 | ||
592 | fm = NULL; | |
593 | } | |
594 | ||
595 | if (fm) | |
596 | continue; | |
597 | ||
598 | fm = malloc(sizeof(*fm)); | |
599 | strcpy(fm->__base, buf); | |
600 | fm->base = basename(fm->__base); | |
601 | fm->key = sb.st_dev; | |
602 | flist_add(&fm->list, &list); | |
603 | } | |
604 | ||
2e3bd4c2 JA |
605 | flist_for_each_safe(n, tmp, &list) { |
606 | unsigned long long sz; | |
607 | ||
608 | fm = flist_entry(n, struct fio_mount, list); | |
609 | flist_del(&fm->list); | |
610 | ||
611 | sz = get_fs_size(fm->base); | |
612 | if (sz && sz != -1ULL) | |
613 | ret += sz; | |
614 | ||
615 | free(fm); | |
616 | } | |
617 | ||
618 | return ret; | |
619 | } | |
620 | ||
7bb48f84 JA |
621 | /* |
622 | * Open the files and setup files sizes, creating files if necessary. | |
623 | */ | |
53cdc686 JA |
624 | int setup_files(struct thread_data *td) |
625 | { | |
7bb48f84 | 626 | unsigned long long total_size, extend_size; |
53cdc686 | 627 | struct fio_file *f; |
af52b345 | 628 | unsigned int i; |
000b0803 | 629 | int err = 0, need_extend; |
53cdc686 | 630 | |
ee56ad50 JA |
631 | dprint(FD_FILE, "setup files\n"); |
632 | ||
691c8fb0 JA |
633 | if (td->o.read_iolog_file) |
634 | return 0; | |
635 | ||
53cdc686 JA |
636 | /* |
637 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
638 | * opening the files and setting f->real_file_size to indicate |
639 | * the valid range for that file. | |
53cdc686 JA |
640 | */ |
641 | if (td->io_ops->setup) | |
7bb48f84 JA |
642 | err = td->io_ops->setup(td); |
643 | else | |
bab3fd58 | 644 | err = get_file_sizes(td); |
53cdc686 | 645 | |
f1027063 JA |
646 | if (err) |
647 | return err; | |
648 | ||
0a7eb121 | 649 | /* |
7bb48f84 JA |
650 | * check sizes. if the files/devices do not exist and the size |
651 | * isn't passed to fio, abort. | |
0a7eb121 | 652 | */ |
7bb48f84 JA |
653 | total_size = 0; |
654 | for_each_file(td, f, i) { | |
655 | if (f->real_file_size == -1ULL) | |
656 | total_size = -1ULL; | |
657 | else | |
658 | total_size += f->real_file_size; | |
659 | } | |
0a7eb121 | 660 | |
2e3bd4c2 JA |
661 | if (td->o.fill_device) |
662 | td->fill_device_size = get_fs_free_counts(td); | |
663 | ||
7bb48f84 JA |
664 | /* |
665 | * device/file sizes are zero and no size given, punt | |
666 | */ | |
1f809d15 | 667 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
aa31f1f1 | 668 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
7bb48f84 | 669 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 670 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
671 | return 1; |
672 | } | |
673 | ||
7bb48f84 JA |
674 | /* |
675 | * now file sizes are known, so we can set ->io_size. if size= is | |
676 | * not given, ->io_size is just equal to ->real_file_size. if size | |
677 | * is given, ->io_size is size / nr_files. | |
678 | */ | |
679 | extend_size = total_size = 0; | |
680 | need_extend = 0; | |
681 | for_each_file(td, f, i) { | |
bcdedd0a YHJT |
682 | f->file_offset = td->o.start_offset; |
683 | ||
7bb48f84 JA |
684 | if (!td->o.file_size_low) { |
685 | /* | |
686 | * no file size range given, file size is equal to | |
687 | * total size divided by number of files. if that is | |
688 | * zero, set it to the real file size. | |
689 | */ | |
690 | f->io_size = td->o.size / td->o.nr_files; | |
65bdb10a | 691 | if (!f->io_size) |
273f8c91 | 692 | f->io_size = f->real_file_size - f->file_offset; |
7bb48f84 JA |
693 | } else if (f->real_file_size < td->o.file_size_low || |
694 | f->real_file_size > td->o.file_size_high) { | |
5ec10eaa | 695 | if (f->file_offset > td->o.file_size_low) |
bcdedd0a | 696 | goto err_offset; |
7bb48f84 JA |
697 | /* |
698 | * file size given. if it's fixed, use that. if it's a | |
699 | * range, generate a random size in-between. | |
700 | */ | |
5ec10eaa JA |
701 | if (td->o.file_size_low == td->o.file_size_high) { |
702 | f->io_size = td->o.file_size_low | |
703 | - f->file_offset; | |
704 | } else { | |
705 | f->io_size = get_rand_file_size(td) | |
706 | - f->file_offset; | |
707 | } | |
65bdb10a | 708 | } else |
bcdedd0a | 709 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 710 | |
7bb48f84 JA |
711 | if (f->io_size == -1ULL) |
712 | total_size = -1ULL; | |
713 | else | |
714 | total_size += f->io_size; | |
715 | ||
716 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 717 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 | 718 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
814452bd JA |
719 | if (!td->o.create_on_open) { |
720 | need_extend++; | |
721 | extend_size += (f->io_size + f->file_offset); | |
722 | } else | |
723 | f->real_file_size = f->io_size + f->file_offset; | |
d6aed795 | 724 | fio_file_set_extend(f); |
5ec10eaa | 725 | } |
7bb48f84 | 726 | } |
53cdc686 | 727 | |
2298290e | 728 | if (!td->o.size || td->o.size > total_size) |
7bb48f84 | 729 | td->o.size = total_size; |
21972cde | 730 | |
7bb48f84 JA |
731 | /* |
732 | * See if we need to extend some files | |
733 | */ | |
734 | if (need_extend) { | |
735 | temp_stall_ts = 1; | |
a7ba8c5f SSY |
736 | if (!terse_output) |
737 | log_info("%s: Laying out IO file(s) (%u file(s) /" | |
0f2152c1 | 738 | " %lluMB)\n", td->o.name, need_extend, |
a7ba8c5f | 739 | extend_size >> 20); |
7bb48f84 JA |
740 | |
741 | for_each_file(td, f, i) { | |
5e0074c2 | 742 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 743 | |
d6aed795 | 744 | if (!fio_file_extend(f)) |
7bb48f84 JA |
745 | continue; |
746 | ||
409b3417 | 747 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 748 | fio_file_clear_extend(f); |
5e0074c2 JA |
749 | if (!td->o.fill_device) { |
750 | old_len = f->real_file_size; | |
0b9d69ec JA |
751 | extend_len = f->io_size + f->file_offset - |
752 | old_len; | |
5e0074c2 | 753 | } |
bcdedd0a | 754 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
755 | err = extend_file(td, f); |
756 | if (err) | |
3baddf24 | 757 | break; |
5e0074c2 | 758 | |
3baddf24 JA |
759 | err = __file_invalidate_cache(td, f, old_len, |
760 | extend_len); | |
761 | close(f->fd); | |
762 | f->fd = -1; | |
763 | if (err) | |
7bb48f84 JA |
764 | break; |
765 | } | |
766 | temp_stall_ts = 0; | |
767 | } | |
768 | ||
769 | if (err) | |
770 | return err; | |
771 | ||
772 | if (!td->o.zone_size) | |
773 | td->o.zone_size = td->o.size; | |
774 | ||
ea966f81 JA |
775 | /* |
776 | * iolog already set the total io size, if we read back | |
777 | * stored entries. | |
778 | */ | |
779 | if (!td->o.read_iolog_file) | |
780 | td->total_io_size = td->o.size * td->o.loops; | |
7bb48f84 | 781 | return 0; |
bcdedd0a YHJT |
782 | err_offset: |
783 | log_err("%s: you need to specify valid offset=\n", td->o.name); | |
784 | return 1; | |
53cdc686 JA |
785 | } |
786 | ||
afad68f7 ZY |
787 | int pre_read_files(struct thread_data *td) |
788 | { | |
789 | struct fio_file *f; | |
790 | unsigned int i; | |
791 | ||
792 | dprint(FD_FILE, "pre_read files\n"); | |
793 | ||
794 | for_each_file(td, f, i) { | |
795 | pre_read_file(td, f); | |
796 | } | |
797 | ||
798 | return 1; | |
799 | } | |
800 | ||
68727076 JA |
801 | int init_random_map(struct thread_data *td) |
802 | { | |
509eab12 | 803 | unsigned long long blocks, num_maps; |
68727076 JA |
804 | struct fio_file *f; |
805 | unsigned int i; | |
806 | ||
de8dd119 | 807 | if (td->o.norandommap || !td_random(td)) |
68727076 JA |
808 | return 0; |
809 | ||
810 | for_each_file(td, f, i) { | |
5ec10eaa JA |
811 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / |
812 | (unsigned long long) td->o.rw_min_bs; | |
813 | num_maps = (blocks + BLOCKS_PER_MAP - 1) / | |
814 | (unsigned long long) BLOCKS_PER_MAP; | |
de605666 | 815 | f->file_map = smalloc(num_maps * sizeof(int)); |
303032ae JA |
816 | if (f->file_map) { |
817 | f->num_maps = num_maps; | |
818 | continue; | |
68727076 | 819 | } |
2b386d25 | 820 | if (!td->o.softrandommap) { |
5ec10eaa JA |
821 | log_err("fio: failed allocating random map. If running" |
822 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
823 | " option or set 'softrandommap'. Or give" |
824 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
825 | return 1; |
826 | } | |
303032ae JA |
827 | |
828 | log_info("fio: file %s failed allocating random map. Running " | |
829 | "job without.\n", f->file_name); | |
830 | f->num_maps = 0; | |
68727076 JA |
831 | } |
832 | ||
833 | return 0; | |
834 | } | |
835 | ||
53cdc686 JA |
836 | void close_files(struct thread_data *td) |
837 | { | |
0ab8db89 | 838 | struct fio_file *f; |
af52b345 | 839 | unsigned int i; |
53cdc686 | 840 | |
2be3eec3 JA |
841 | for_each_file(td, f, i) { |
842 | if (fio_file_open(f)) | |
843 | td_io_close_file(td, f); | |
844 | } | |
24ffd2c2 JA |
845 | } |
846 | ||
847 | void close_and_free_files(struct thread_data *td) | |
848 | { | |
849 | struct fio_file *f; | |
850 | unsigned int i; | |
851 | ||
ee56ad50 JA |
852 | dprint(FD_FILE, "close files\n"); |
853 | ||
0ab8db89 | 854 | for_each_file(td, f, i) { |
ffdfabd4 JA |
855 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
856 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
132ad46d | 857 | unlink(f->file_name); |
ffdfabd4 | 858 | } |
bdb4e2e9 | 859 | |
22a57ba8 JA |
860 | if (fio_file_open(f)) |
861 | td_io_close_file(td, f); | |
862 | ||
b9fbcf21 | 863 | remove_file_hash(f); |
b3dc7f07 | 864 | |
f17c4392 | 865 | sfree(f->file_name); |
fa1da865 | 866 | f->file_name = NULL; |
61eb313e JA |
867 | sfree(f->file_map); |
868 | f->file_map = NULL; | |
78d99e6a | 869 | sfree(f); |
53cdc686 | 870 | } |
b4a6a59a | 871 | |
2dc1bbeb | 872 | td->o.filename = NULL; |
cade3ef4 | 873 | free(td->files); |
9efef3c4 | 874 | td->files_index = 0; |
b4a6a59a | 875 | td->files = NULL; |
2dc1bbeb | 876 | td->o.nr_files = 0; |
53cdc686 | 877 | } |
af52b345 | 878 | |
e3bab463 | 879 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
880 | { |
881 | struct stat sb; | |
882 | ||
66159828 JA |
883 | if (!strcmp(f->file_name, "-")) |
884 | f->filetype = FIO_TYPE_PIPE; | |
885 | else | |
886 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 887 | |
b30d395e | 888 | if (!stat(f->file_name, &sb)) { |
ecc314ba BC |
889 | /* \\.\ is the device namespace in Windows, where every file is |
890 | * a block device */ | |
891 | if (S_ISBLK(sb.st_mode) || strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
af52b345 JA |
892 | f->filetype = FIO_TYPE_BD; |
893 | else if (S_ISCHR(sb.st_mode)) | |
894 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
895 | else if (S_ISFIFO(sb.st_mode)) |
896 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
897 | } |
898 | } | |
899 | ||
f29b25a3 | 900 | int add_file(struct thread_data *td, const char *fname) |
af52b345 | 901 | { |
7b4e4fe5 | 902 | int cur_files = td->files_index; |
bd0ee748 | 903 | char file_name[PATH_MAX]; |
af52b345 | 904 | struct fio_file *f; |
bd0ee748 | 905 | int len = 0; |
af52b345 | 906 | |
ee56ad50 JA |
907 | dprint(FD_FILE, "add file %s\n", fname); |
908 | ||
f17c4392 | 909 | f = smalloc(sizeof(*f)); |
c48c0be7 JA |
910 | if (!f) { |
911 | log_err("fio: smalloc OOM\n"); | |
912 | assert(0); | |
913 | } | |
0b9d69ec | 914 | |
af52b345 | 915 | f->fd = -1; |
38dad62d | 916 | fio_file_reset(f); |
bd0ee748 | 917 | |
fc99bc0d | 918 | if (td->files_size <= td->files_index) { |
4b341fca | 919 | int new_size = td->o.nr_files + 1; |
126d65c6 | 920 | |
fc99bc0d JA |
921 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
922 | ||
923 | td->files = realloc(td->files, new_size * sizeof(f)); | |
fc99bc0d JA |
924 | td->files_size = new_size; |
925 | } | |
8bb7679e | 926 | td->files[cur_files] = f; |
126d65c6 | 927 | |
07eb79df JA |
928 | /* |
929 | * init function, io engine may not be loaded yet | |
930 | */ | |
931 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
932 | f->real_file_size = -1ULL; | |
933 | ||
bd0ee748 JA |
934 | if (td->o.directory) |
935 | len = sprintf(file_name, "%s/", td->o.directory); | |
936 | ||
937 | sprintf(file_name + len, "%s", fname); | |
f17c4392 | 938 | f->file_name = smalloc_strdup(file_name); |
c48c0be7 JA |
939 | if (!f->file_name) { |
940 | log_err("fio: smalloc OOM\n"); | |
941 | assert(0); | |
942 | } | |
0b9d69ec | 943 | |
e3bab463 | 944 | get_file_type(f); |
af52b345 | 945 | |
4d4e80f2 JA |
946 | switch (td->o.file_lock_mode) { |
947 | case FILE_LOCK_NONE: | |
948 | break; | |
949 | case FILE_LOCK_READWRITE: | |
950 | f->lock = fio_mutex_rw_init(); | |
951 | break; | |
952 | case FILE_LOCK_EXCLUSIVE: | |
953 | f->lock = fio_mutex_init(1); | |
954 | break; | |
955 | default: | |
956 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
957 | assert(0); | |
958 | } | |
29c1349f | 959 | |
7b4e4fe5 | 960 | td->files_index++; |
1549441c JA |
961 | if (f->filetype == FIO_TYPE_FILE) |
962 | td->nr_normal_files++; | |
f29b25a3 | 963 | |
5ec10eaa JA |
964 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
965 | cur_files); | |
9efef3c4 | 966 | |
f29b25a3 | 967 | return cur_files; |
af52b345 | 968 | } |
0ad920e7 | 969 | |
49ffb4a2 JA |
970 | int add_file_exclusive(struct thread_data *td, const char *fname) |
971 | { | |
972 | struct fio_file *f; | |
973 | unsigned int i; | |
974 | ||
975 | for_each_file(td, f, i) { | |
976 | if (!strcmp(f->file_name, fname)) | |
977 | return i; | |
978 | } | |
979 | ||
980 | return add_file(td, fname); | |
981 | } | |
982 | ||
0ad920e7 JA |
983 | void get_file(struct fio_file *f) |
984 | { | |
8172fe97 | 985 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 986 | assert(fio_file_open(f)); |
0ad920e7 JA |
987 | f->references++; |
988 | } | |
989 | ||
6977bcd0 | 990 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 991 | { |
98e1ac4e | 992 | int f_ret = 0, ret = 0; |
6977bcd0 | 993 | |
8172fe97 | 994 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 995 | |
22a57ba8 JA |
996 | if (!fio_file_open(f)) { |
997 | assert(f->fd == -1); | |
6977bcd0 | 998 | return 0; |
22a57ba8 | 999 | } |
0ad920e7 JA |
1000 | |
1001 | assert(f->references); | |
1002 | if (--f->references) | |
6977bcd0 | 1003 | return 0; |
0ad920e7 | 1004 | |
d424d4dd | 1005 | if (should_fsync(td) && td->o.fsync_on_close) |
98e1ac4e | 1006 | f_ret = fsync(f->fd); |
ebb1415f | 1007 | |
0ad920e7 | 1008 | if (td->io_ops->close_file) |
6977bcd0 | 1009 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1010 | |
98e1ac4e | 1011 | if (!ret) |
a5fb461f | 1012 | ret = f_ret; |
98e1ac4e | 1013 | |
0ad920e7 | 1014 | td->nr_open_files--; |
d6aed795 | 1015 | fio_file_clear_open(f); |
22a57ba8 | 1016 | assert(f->fd == -1); |
6977bcd0 | 1017 | return ret; |
0ad920e7 | 1018 | } |
bbf6b540 | 1019 | |
4d4e80f2 | 1020 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1021 | { |
4d4e80f2 JA |
1022 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1023 | return; | |
29c1349f | 1024 | |
4d4e80f2 JA |
1025 | if (f->lock_owner == td && f->lock_batch--) |
1026 | return; | |
1027 | ||
1028 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
1029 | if (ddir == DDIR_READ) | |
1030 | fio_mutex_down_read(f->lock); | |
1031 | else | |
1032 | fio_mutex_down_write(f->lock); | |
1033 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
1034 | fio_mutex_down(f->lock); | |
1035 | ||
1036 | f->lock_owner = td; | |
1037 | f->lock_batch = td->o.lockfile_batch; | |
1038 | f->lock_ddir = ddir; | |
b2bd2bd9 JA |
1039 | } |
1040 | ||
4d4e80f2 | 1041 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1042 | { |
4d4e80f2 JA |
1043 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1044 | return; | |
1045 | if (f->lock_batch) | |
1046 | return; | |
1047 | ||
1048 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
1049 | const int is_read = f->lock_ddir == DDIR_READ; | |
1050 | int val = fio_mutex_getval(f->lock); | |
29c1349f | 1051 | |
4d4e80f2 JA |
1052 | if ((is_read && val == 1) || (!is_read && val == -1)) |
1053 | f->lock_owner = NULL; | |
29c1349f | 1054 | |
4d4e80f2 JA |
1055 | if (is_read) |
1056 | fio_mutex_up_read(f->lock); | |
1057 | else | |
1058 | fio_mutex_up_write(f->lock); | |
1059 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) { | |
1060 | int val = fio_mutex_getval(f->lock); | |
1061 | ||
1062 | if (val == 0) | |
1063 | f->lock_owner = NULL; | |
1064 | ||
1065 | fio_mutex_up(f->lock); | |
29c1349f | 1066 | } |
b2bd2bd9 JA |
1067 | } |
1068 | ||
4d4e80f2 JA |
1069 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1070 | { | |
1071 | if (f->lock_owner != td) | |
1072 | return; | |
1073 | ||
1074 | f->lock_batch = 0; | |
1075 | unlock_file(td, f); | |
1076 | } | |
1077 | ||
bbf6b540 JA |
1078 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1079 | { | |
1080 | struct dirent *dir; | |
1081 | int ret = 0; | |
1082 | DIR *D; | |
1083 | ||
1084 | D = opendir(dirname); | |
1085 | if (!D) { | |
0ddb270c JA |
1086 | char buf[FIO_VERROR_SIZE]; |
1087 | ||
1088 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
1089 | td_verror(td, errno, buf); | |
bbf6b540 JA |
1090 | return 1; |
1091 | } | |
1092 | ||
1093 | while ((dir = readdir(D)) != NULL) { | |
1094 | char full_path[PATH_MAX]; | |
1095 | struct stat sb; | |
1096 | ||
e85b2b83 JA |
1097 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1098 | continue; | |
96d32d51 | 1099 | |
bbf6b540 JA |
1100 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
1101 | ||
1102 | if (lstat(full_path, &sb) == -1) { | |
1103 | if (errno != ENOENT) { | |
1104 | td_verror(td, errno, "stat"); | |
1105 | return 1; | |
1106 | } | |
1107 | } | |
1108 | ||
1109 | if (S_ISREG(sb.st_mode)) { | |
1110 | add_file(td, full_path); | |
2dc1bbeb | 1111 | td->o.nr_files++; |
bbf6b540 JA |
1112 | continue; |
1113 | } | |
0ddb270c JA |
1114 | if (!S_ISDIR(sb.st_mode)) |
1115 | continue; | |
bbf6b540 | 1116 | |
5ec10eaa JA |
1117 | ret = recurse_dir(td, full_path); |
1118 | if (ret) | |
bbf6b540 JA |
1119 | break; |
1120 | } | |
1121 | ||
1122 | closedir(D); | |
1123 | return ret; | |
1124 | } | |
1125 | ||
1126 | int add_dir_files(struct thread_data *td, const char *path) | |
1127 | { | |
0ddb270c JA |
1128 | int ret = recurse_dir(td, path); |
1129 | ||
1130 | if (!ret) | |
1131 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1132 | ||
1133 | return ret; | |
bbf6b540 | 1134 | } |
cade3ef4 JA |
1135 | |
1136 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1137 | { | |
1138 | struct fio_file *f; | |
1139 | unsigned int i; | |
9efef3c4 JA |
1140 | |
1141 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1142 | |
1143 | if (!org->files) | |
1144 | return; | |
1145 | ||
9efef3c4 | 1146 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1147 | |
9efef3c4 | 1148 | for_each_file(org, f, i) { |
b0fe421a JA |
1149 | struct fio_file *__f; |
1150 | ||
f17c4392 | 1151 | __f = smalloc(sizeof(*__f)); |
c48c0be7 JA |
1152 | if (!__f) { |
1153 | log_err("fio: smalloc OOM\n"); | |
1154 | assert(0); | |
1155 | } | |
22a57ba8 | 1156 | __f->fd = -1; |
38dad62d | 1157 | fio_file_reset(__f); |
0b9d69ec | 1158 | |
bc3456fa | 1159 | if (f->file_name) { |
f17c4392 | 1160 | __f->file_name = smalloc_strdup(f->file_name); |
c48c0be7 JA |
1161 | if (!__f->file_name) { |
1162 | log_err("fio: smalloc OOM\n"); | |
1163 | assert(0); | |
1164 | } | |
0b9d69ec | 1165 | |
bc3456fa AC |
1166 | __f->filetype = f->filetype; |
1167 | } | |
b0fe421a JA |
1168 | |
1169 | td->files[i] = __f; | |
cade3ef4 JA |
1170 | } |
1171 | } | |
f29b25a3 JA |
1172 | |
1173 | /* | |
1174 | * Returns the index that matches the filename, or -1 if not there | |
1175 | */ | |
1176 | int get_fileno(struct thread_data *td, const char *fname) | |
1177 | { | |
1178 | struct fio_file *f; | |
1179 | unsigned int i; | |
1180 | ||
1181 | for_each_file(td, f, i) | |
1182 | if (!strcmp(f->file_name, fname)) | |
1183 | return i; | |
1184 | ||
1185 | return -1; | |
1186 | } | |
1187 | ||
1188 | /* | |
1189 | * For log usage, where we add/open/close files automatically | |
1190 | */ | |
1191 | void free_release_files(struct thread_data *td) | |
1192 | { | |
1193 | close_files(td); | |
1194 | td->files_index = 0; | |
1195 | td->nr_normal_files = 0; | |
1196 | } |