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" |
bcbfeefa | 14 | #include "options.h" |
ecc314ba | 15 | #include "os/os.h" |
2316296a | 16 | #include "hash.h" |
7ebd796f | 17 | #include "lib/axmap.h" |
53cdc686 | 18 | |
97ac992c | 19 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
20 | #include <linux/falloc.h> |
21 | #endif | |
22 | ||
7172cfe8 JA |
23 | static int root_warn; |
24 | ||
bcbfeefa CE |
25 | static FLIST_HEAD(filename_list); |
26 | ||
c592b9fe JA |
27 | static inline void clear_error(struct thread_data *td) |
28 | { | |
29 | td->error = 0; | |
30 | td->verror[0] = '\0'; | |
31 | } | |
32 | ||
3baddf24 JA |
33 | /* |
34 | * Leaves f->fd open on success, caller must close | |
35 | */ | |
7bb48f84 | 36 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 37 | { |
ea443657 | 38 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
39 | unsigned long long left; |
40 | unsigned int bs; | |
f3e1eb23 | 41 | char *b = NULL; |
b2a15192 | 42 | |
4241ea8f JA |
43 | if (read_only) { |
44 | log_err("fio: refusing extend of file due to read-only\n"); | |
45 | return 0; | |
46 | } | |
47 | ||
507a702f JA |
48 | /* |
49 | * check if we need to lay the file out complete again. fio | |
50 | * does that for operations involving reads, or for writes | |
51 | * where overwrite is set | |
52 | */ | |
1417daeb JA |
53 | if (td_read(td) || |
54 | (td_write(td) && td->o.overwrite && !td->o.file_append) || | |
ffdfabd4 | 55 | (td_write(td) && td->io_ops->flags & FIO_NOEXTEND)) |
507a702f | 56 | new_layout = 1; |
1417daeb | 57 | if (td_write(td) && !td->o.overwrite && !td->o.file_append) |
ea443657 | 58 | unlink_file = 1; |
507a702f | 59 | |
6ae1f57f | 60 | if (unlink_file || new_layout) { |
bd199f2b | 61 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
982016d6 | 62 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
7bb48f84 JA |
63 | td_verror(td, errno, "unlink"); |
64 | return 1; | |
65 | } | |
66 | } | |
67 | ||
507a702f JA |
68 | flags = O_WRONLY | O_CREAT; |
69 | if (new_layout) | |
70 | flags |= O_TRUNC; | |
71 | ||
9c0f3f32 BC |
72 | #ifdef WIN32 |
73 | flags |= _O_BINARY; | |
74 | #endif | |
75 | ||
ee56ad50 | 76 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 77 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 78 | if (f->fd < 0) { |
e1161c32 | 79 | td_verror(td, errno, "open"); |
53cdc686 JA |
80 | return 1; |
81 | } | |
82 | ||
97ac992c | 83 | #ifdef CONFIG_POSIX_FALLOCATE |
a596f047 EG |
84 | if (!td->o.fill_device) { |
85 | switch (td->o.fallocate_mode) { | |
86 | case FIO_FALLOCATE_NONE: | |
87 | break; | |
88 | case FIO_FALLOCATE_POSIX: | |
89 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", | |
4b91ee8f JA |
90 | f->file_name, |
91 | (unsigned long long) f->real_file_size); | |
a596f047 EG |
92 | |
93 | r = posix_fallocate(f->fd, 0, f->real_file_size); | |
94 | if (r > 0) { | |
95 | log_err("fio: posix_fallocate fails: %s\n", | |
96 | strerror(r)); | |
97 | } | |
98 | break; | |
97ac992c | 99 | #ifdef CONFIG_LINUX_FALLOCATE |
a596f047 EG |
100 | case FIO_FALLOCATE_KEEP_SIZE: |
101 | dprint(FD_FILE, | |
102 | "fallocate(FALLOC_FL_KEEP_SIZE) " | |
4b91ee8f JA |
103 | "file %s size %llu\n", f->file_name, |
104 | (unsigned long long) f->real_file_size); | |
7bc8c2cf | 105 | |
a596f047 EG |
106 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, |
107 | f->real_file_size); | |
888677a4 | 108 | if (r != 0) |
a596f047 | 109 | td_verror(td, errno, "fallocate"); |
888677a4 | 110 | |
a596f047 | 111 | break; |
97ac992c | 112 | #endif /* CONFIG_LINUX_FALLOCATE */ |
a596f047 EG |
113 | default: |
114 | log_err("fio: unknown fallocate mode: %d\n", | |
115 | td->o.fallocate_mode); | |
116 | assert(0); | |
7bc8c2cf JA |
117 | } |
118 | } | |
97ac992c | 119 | #endif /* CONFIG_POSIX_FALLOCATE */ |
9b836561 | 120 | |
fc74ac1d SL |
121 | if (!new_layout) |
122 | goto done; | |
123 | ||
5e0074c2 JA |
124 | /* |
125 | * The size will be -1ULL when fill_device is used, so don't truncate | |
126 | * or fallocate this file, just write it | |
127 | */ | |
128 | if (!td->o.fill_device) { | |
129 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, | |
4b91ee8f | 130 | (unsigned long long) f->real_file_size); |
5e0074c2 | 131 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
3cd4c66f J |
132 | if (errno != EFBIG) { |
133 | td_verror(td, errno, "ftruncate"); | |
134 | goto err; | |
135 | } | |
5e0074c2 | 136 | } |
5e0074c2 | 137 | } |
40f8298c | 138 | |
2dc1bbeb | 139 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
53cdc686 | 140 | |
7bb48f84 | 141 | left = f->real_file_size; |
53cdc686 | 142 | while (left && !td->terminate) { |
2dc1bbeb | 143 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
144 | if (bs > left) |
145 | bs = left; | |
146 | ||
cc86c395 JA |
147 | fill_io_buffer(td, b, bs, bs); |
148 | ||
53cdc686 JA |
149 | r = write(f->fd, b, bs); |
150 | ||
5e0074c2 JA |
151 | if (r > 0) { |
152 | left -= r; | |
53cdc686 JA |
153 | continue; |
154 | } else { | |
5e0074c2 JA |
155 | if (r < 0) { |
156 | int __e = errno; | |
157 | ||
158 | if (__e == ENOSPC) { | |
159 | if (td->o.fill_device) | |
160 | break; | |
161 | log_info("fio: ENOSPC on laying out " | |
162 | "file, stopping\n"); | |
163 | break; | |
164 | } | |
e1161c32 | 165 | td_verror(td, errno, "write"); |
5e0074c2 | 166 | } else |
e1161c32 | 167 | td_verror(td, EIO, "write"); |
53cdc686 JA |
168 | |
169 | break; | |
170 | } | |
171 | } | |
172 | ||
ffdfabd4 JA |
173 | if (td->terminate) { |
174 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
53cdc686 | 175 | unlink(f->file_name); |
ffdfabd4 | 176 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
177 | if (fsync(f->fd) < 0) { |
178 | td_verror(td, errno, "fsync"); | |
179 | goto err; | |
180 | } | |
181 | } | |
0d1cd207 | 182 | if (td->o.fill_device && !td_write(td)) { |
d6aed795 | 183 | fio_file_clear_size_known(f); |
5e0074c2 JA |
184 | if (td_io_get_file_size(td, f)) |
185 | goto err; | |
186 | if (f->io_size > f->real_file_size) | |
187 | f->io_size = f->real_file_size; | |
188 | } | |
53cdc686 JA |
189 | |
190 | free(b); | |
507a702f | 191 | done: |
53cdc686 JA |
192 | return 0; |
193 | err: | |
194 | close(f->fd); | |
195 | f->fd = -1; | |
f3e1eb23 JA |
196 | if (b) |
197 | free(b); | |
53cdc686 JA |
198 | return 1; |
199 | } | |
200 | ||
afad68f7 ZY |
201 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
202 | { | |
ef799a64 | 203 | int ret = 0, r, did_open = 0, old_runstate; |
afad68f7 ZY |
204 | unsigned long long left; |
205 | unsigned int bs; | |
206 | char *b; | |
207 | ||
9c0d2241 JA |
208 | if (td->io_ops->flags & FIO_PIPEIO) |
209 | return 0; | |
210 | ||
d6aed795 | 211 | if (!fio_file_open(f)) { |
b0f65863 JA |
212 | if (td->io_ops->open_file(td, f)) { |
213 | log_err("fio: cannot pre-read, failed to open file\n"); | |
214 | return 1; | |
215 | } | |
216 | did_open = 1; | |
217 | } | |
218 | ||
8edd973d | 219 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
b0f65863 | 220 | |
afad68f7 ZY |
221 | bs = td->o.max_bs[DDIR_READ]; |
222 | b = malloc(bs); | |
223 | memset(b, 0, bs); | |
224 | ||
ef799a64 JA |
225 | if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) { |
226 | td_verror(td, errno, "lseek"); | |
227 | log_err("fio: failed to lseek pre-read file\n"); | |
228 | ret = 1; | |
229 | goto error; | |
230 | } | |
231 | ||
afad68f7 ZY |
232 | left = f->io_size; |
233 | ||
234 | while (left && !td->terminate) { | |
235 | if (bs > left) | |
236 | bs = left; | |
237 | ||
238 | r = read(f->fd, b, bs); | |
239 | ||
240 | if (r == (int) bs) { | |
241 | left -= bs; | |
242 | continue; | |
243 | } else { | |
244 | td_verror(td, EIO, "pre_read"); | |
245 | break; | |
246 | } | |
247 | } | |
248 | ||
ef799a64 | 249 | error: |
8edd973d | 250 | td_restore_runstate(td, old_runstate); |
b0f65863 JA |
251 | |
252 | if (did_open) | |
253 | td->io_ops->close_file(td, f); | |
ef799a64 | 254 | |
afad68f7 | 255 | free(b); |
ef799a64 | 256 | return ret; |
afad68f7 ZY |
257 | } |
258 | ||
7bb48f84 | 259 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 260 | { |
dc873b6f | 261 | unsigned long long ret, sized; |
1294c3ec | 262 | unsigned long r; |
9c60ce64 | 263 | |
4c07ad86 JA |
264 | if (td->o.use_os_rand) { |
265 | r = os_random_long(&td->file_size_state); | |
266 | sized = td->o.file_size_high - td->o.file_size_low; | |
267 | ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0))); | |
268 | } else { | |
269 | r = __rand(&td->__file_size_state); | |
270 | sized = td->o.file_size_high - td->o.file_size_low; | |
271 | ret = (unsigned long long) ((double) sized * (r / (FRAND_MAX + 1.0))); | |
272 | } | |
273 | ||
5ec10eaa | 274 | ret += td->o.file_size_low; |
2dc1bbeb | 275 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
276 | return ret; |
277 | } | |
278 | ||
53cdc686 JA |
279 | static int file_size(struct thread_data *td, struct fio_file *f) |
280 | { | |
281 | struct stat st; | |
282 | ||
df9c26b1 | 283 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
284 | td_verror(td, errno, "fstat"); |
285 | return 1; | |
286 | } | |
53cdc686 | 287 | |
7bb48f84 | 288 | f->real_file_size = st.st_size; |
53cdc686 JA |
289 | return 0; |
290 | } | |
291 | ||
292 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
293 | { | |
9b836561 | 294 | unsigned long long bytes = 0; |
53cdc686 JA |
295 | int r; |
296 | ||
df9c26b1 JA |
297 | if (td->io_ops->open_file(td, f)) { |
298 | log_err("fio: failed opening blockdev %s for size check\n", | |
299 | f->file_name); | |
300 | return 1; | |
301 | } | |
302 | ||
ecc314ba | 303 | r = blockdev_size(f, &bytes); |
53cdc686 | 304 | if (r) { |
e1161c32 | 305 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 306 | goto err; |
53cdc686 JA |
307 | } |
308 | ||
7ab077ab JA |
309 | if (!bytes) { |
310 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 311 | goto err; |
7ab077ab JA |
312 | } |
313 | ||
53cdc686 | 314 | f->real_file_size = bytes; |
22a57ba8 | 315 | td->io_ops->close_file(td, f); |
53cdc686 | 316 | return 0; |
df9c26b1 JA |
317 | err: |
318 | td->io_ops->close_file(td, f); | |
319 | return 1; | |
53cdc686 JA |
320 | } |
321 | ||
4ccdccd1 JA |
322 | static int char_size(struct thread_data *td, struct fio_file *f) |
323 | { | |
324 | #ifdef FIO_HAVE_CHARDEV_SIZE | |
9b836561 | 325 | unsigned long long bytes = 0; |
4ccdccd1 JA |
326 | int r; |
327 | ||
328 | if (td->io_ops->open_file(td, f)) { | |
329 | log_err("fio: failed opening blockdev %s for size check\n", | |
330 | f->file_name); | |
331 | return 1; | |
332 | } | |
333 | ||
ecc314ba | 334 | r = chardev_size(f, &bytes); |
4ccdccd1 JA |
335 | if (r) { |
336 | td_verror(td, r, "chardev_size"); | |
337 | goto err; | |
338 | } | |
339 | ||
340 | if (!bytes) { | |
341 | log_err("%s: zero sized char device?\n", f->file_name); | |
342 | goto err; | |
343 | } | |
344 | ||
345 | f->real_file_size = bytes; | |
346 | td->io_ops->close_file(td, f); | |
347 | return 0; | |
348 | err: | |
349 | td->io_ops->close_file(td, f); | |
350 | return 1; | |
351 | #else | |
352 | f->real_file_size = -1ULL; | |
353 | return 0; | |
354 | #endif | |
355 | } | |
356 | ||
53cdc686 JA |
357 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
358 | { | |
359 | int ret = 0; | |
360 | ||
d6aed795 | 361 | if (fio_file_size_known(f)) |
409b3417 JA |
362 | return 0; |
363 | ||
7bb48f84 JA |
364 | if (f->filetype == FIO_TYPE_FILE) |
365 | ret = file_size(td, f); | |
366 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 | 367 | ret = bdev_size(td, f); |
4ccdccd1 JA |
368 | else if (f->filetype == FIO_TYPE_CHAR) |
369 | ret = char_size(td, f); | |
53cdc686 JA |
370 | else |
371 | f->real_file_size = -1; | |
372 | ||
373 | if (ret) | |
374 | return ret; | |
375 | ||
376 | if (f->file_offset > f->real_file_size) { | |
0f2152c1 | 377 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
4e0a8fa2 JA |
378 | (unsigned long long) f->file_offset, |
379 | (unsigned long long) f->real_file_size); | |
53cdc686 JA |
380 | return 1; |
381 | } | |
382 | ||
d6aed795 | 383 | fio_file_set_size_known(f); |
53cdc686 JA |
384 | return 0; |
385 | } | |
386 | ||
3baddf24 JA |
387 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
388 | unsigned long long off, | |
389 | unsigned long long len) | |
e5b401d4 JA |
390 | { |
391 | int ret = 0; | |
392 | ||
5e0074c2 | 393 | if (len == -1ULL) |
3baddf24 JA |
394 | len = f->io_size; |
395 | if (off == -1ULL) | |
396 | off = f->file_offset; | |
ee56ad50 | 397 | |
0d1cd207 JA |
398 | if (len == -1ULL || off == -1ULL) |
399 | return 0; | |
400 | ||
3baddf24 JA |
401 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
402 | len); | |
b5af8293 | 403 | |
d9b100fc JA |
404 | if (td->io_ops->invalidate) |
405 | ret = td->io_ops->invalidate(td, f); | |
406 | else if (f->mmap_ptr) { | |
03e20d68 | 407 | ret = posix_madvise(f->mmap_ptr, f->mmap_sz, POSIX_MADV_DONTNEED); |
a1c58075 | 408 | #ifdef FIO_MADV_FREE |
3e10fb83 JA |
409 | if (f->filetype == FIO_TYPE_BD) |
410 | (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE); | |
a1c58075 JA |
411 | #endif |
412 | } else if (f->filetype == FIO_TYPE_FILE) { | |
ecc314ba | 413 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
5ec10eaa | 414 | } else if (f->filetype == FIO_TYPE_BD) { |
ecc314ba | 415 | ret = blockdev_invalidate_cache(f); |
7e0e25c9 | 416 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 417 | if (!root_warn) { |
5ec10eaa JA |
418 | log_err("fio: only root may flush block " |
419 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
420 | root_warn = 1; |
421 | } | |
7e0e25c9 JA |
422 | ret = 0; |
423 | } | |
b5605e9d | 424 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
425 | ret = 0; |
426 | ||
dfe11fd1 JA |
427 | /* |
428 | * Cache flushing isn't a fatal condition, and we know it will | |
429 | * happen on some platforms where we don't have the proper | |
430 | * function to flush eg block device caches. So just warn and | |
431 | * continue on our way. | |
432 | */ | |
433 | if (ret) { | |
434 | log_info("fio: cache invalidation of %s failed: %s\n", f->file_name, strerror(errno)); | |
435 | ret = 0; | |
e5b401d4 JA |
436 | } |
437 | ||
dfe11fd1 | 438 | return 0; |
3baddf24 JA |
439 | |
440 | } | |
441 | ||
442 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
443 | { | |
d6aed795 | 444 | if (!fio_file_open(f)) |
a5fb461f JA |
445 | return 0; |
446 | ||
5e0074c2 | 447 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
e5b401d4 JA |
448 | } |
449 | ||
6977bcd0 | 450 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 451 | { |
6977bcd0 JA |
452 | int ret = 0; |
453 | ||
ee56ad50 | 454 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
455 | |
456 | remove_file_hash(f); | |
457 | ||
6977bcd0 JA |
458 | if (close(f->fd) < 0) |
459 | ret = errno; | |
460 | ||
b5af8293 | 461 | f->fd = -1; |
e6c4d732 JA |
462 | |
463 | if (f->shadow_fd != -1) { | |
464 | close(f->shadow_fd); | |
465 | f->shadow_fd = -1; | |
466 | } | |
467 | ||
57e54e08 | 468 | f->engine_data = 0; |
6977bcd0 | 469 | return ret; |
53cdc686 JA |
470 | } |
471 | ||
1ccc6dc7 | 472 | int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 473 | { |
29c1349f | 474 | struct fio_file *__f; |
4d4e80f2 JA |
475 | int from_hash; |
476 | ||
477 | __f = lookup_file_hash(f->file_name); | |
478 | if (__f) { | |
9efef3c4 | 479 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
480 | /* |
481 | * racy, need the __f->lock locked | |
482 | */ | |
483 | f->lock = __f->lock; | |
4d4e80f2 JA |
484 | from_hash = 1; |
485 | } else { | |
9efef3c4 | 486 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
487 | from_hash = 0; |
488 | } | |
489 | ||
9c0f3f32 BC |
490 | #ifdef WIN32 |
491 | flags |= _O_BINARY; | |
492 | #endif | |
493 | ||
e8670ef8 | 494 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
495 | return from_hash; |
496 | } | |
497 | ||
e6c4d732 JA |
498 | static int file_close_shadow_fds(struct thread_data *td) |
499 | { | |
500 | struct fio_file *f; | |
501 | int num_closed = 0; | |
502 | unsigned int i; | |
503 | ||
504 | for_each_file(td, f, i) { | |
505 | if (f->shadow_fd == -1) | |
506 | continue; | |
507 | ||
508 | close(f->shadow_fd); | |
509 | f->shadow_fd = -1; | |
510 | num_closed++; | |
511 | } | |
512 | ||
513 | return num_closed; | |
514 | } | |
515 | ||
4d4e80f2 JA |
516 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
517 | { | |
66159828 | 518 | int is_std = 0; |
53cdc686 | 519 | int flags = 0; |
29c1349f | 520 | int from_hash = 0; |
53cdc686 | 521 | |
ee56ad50 JA |
522 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
523 | ||
6eaf09d6 SL |
524 | if (td_trim(td) && f->filetype != FIO_TYPE_BD) { |
525 | log_err("fio: trim only applies to block device\n"); | |
526 | return 1; | |
527 | } | |
528 | ||
66159828 JA |
529 | if (!strcmp(f->file_name, "-")) { |
530 | if (td_rw(td)) { | |
531 | log_err("fio: can't read/write to stdin/out\n"); | |
532 | return 1; | |
533 | } | |
534 | is_std = 1; | |
ce98fa66 JA |
535 | |
536 | /* | |
537 | * move output logging to stderr, if we are writing to stdout | |
538 | */ | |
539 | if (td_write(td)) | |
540 | f_out = stderr; | |
66159828 JA |
541 | } |
542 | ||
6eaf09d6 SL |
543 | if (td_trim(td)) |
544 | goto skip_flags; | |
2dc1bbeb | 545 | if (td->o.odirect) |
2fd233b7 | 546 | flags |= OS_O_DIRECT; |
d01612f3 CM |
547 | if (td->o.oatomic) { |
548 | if (!FIO_O_ATOMIC) { | |
549 | td_verror(td, EINVAL, "OS does not support atomic IO"); | |
550 | return 1; | |
551 | } | |
552 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; | |
553 | } | |
2dc1bbeb | 554 | if (td->o.sync_io) |
2fd233b7 | 555 | flags |= O_SYNC; |
814452bd JA |
556 | if (td->o.create_on_open) |
557 | flags |= O_CREAT; | |
6eaf09d6 SL |
558 | skip_flags: |
559 | if (f->filetype != FIO_TYPE_FILE) | |
560 | flags |= FIO_O_NOATIME; | |
53cdc686 | 561 | |
056f3459 | 562 | open_again: |
660a1cb5 | 563 | if (td_write(td)) { |
17308158 JA |
564 | if (!read_only) |
565 | flags |= O_RDWR; | |
53cdc686 | 566 | |
af52b345 | 567 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 568 | flags |= O_CREAT; |
2fd233b7 | 569 | |
66159828 JA |
570 | if (is_std) |
571 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
572 | else |
573 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 | 574 | } else if (td_read(td)) { |
4241ea8f | 575 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
576 | flags |= O_RDWR; |
577 | else | |
578 | flags |= O_RDONLY; | |
579 | ||
66159828 JA |
580 | if (is_std) |
581 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
582 | else |
583 | from_hash = file_lookup_open(f, flags); | |
6eaf09d6 SL |
584 | } else { //td trim |
585 | flags |= O_RDWR; | |
586 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
587 | } |
588 | ||
589 | if (f->fd == -1) { | |
e4e33258 | 590 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
591 | int __e = errno; |
592 | ||
835d9b9e | 593 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
5921e80c | 594 | flags &= ~FIO_O_NOATIME; |
056f3459 AC |
595 | goto open_again; |
596 | } | |
e6c4d732 JA |
597 | if (__e == EMFILE && file_close_shadow_fds(td)) |
598 | goto open_again; | |
056f3459 | 599 | |
98ffb8f3 | 600 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
e4e33258 | 601 | |
a93c5f04 JA |
602 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
603 | log_err("fio: looks like your file system does not " \ | |
604 | "support direct=1/buffered=0\n"); | |
605 | } | |
606 | ||
e4e33258 | 607 | td_verror(td, __e, buf); |
53cdc686 JA |
608 | } |
609 | ||
29c1349f JA |
610 | if (!from_hash && f->fd != -1) { |
611 | if (add_file_hash(f)) { | |
3f0ca9b9 | 612 | int fio_unused ret; |
29c1349f JA |
613 | |
614 | /* | |
e6c4d732 JA |
615 | * Stash away descriptor for later close. This is to |
616 | * work-around a "feature" on Linux, where a close of | |
617 | * an fd that has been opened for write will trigger | |
618 | * udev to call blkid to check partitions, fs id, etc. | |
de8f6de9 | 619 | * That pollutes the device cache, which can slow down |
e6c4d732 | 620 | * unbuffered accesses. |
29c1349f | 621 | */ |
e6c4d732 JA |
622 | if (f->shadow_fd == -1) |
623 | f->shadow_fd = f->fd; | |
624 | else { | |
625 | /* | |
626 | * OK to ignore, we haven't done anything | |
627 | * with it | |
628 | */ | |
629 | ret = generic_close_file(td, f); | |
630 | } | |
29c1349f JA |
631 | goto open_again; |
632 | } | |
633 | } | |
4906e0b5 | 634 | |
53cdc686 | 635 | return 0; |
b5af8293 JA |
636 | } |
637 | ||
df9c26b1 | 638 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 639 | { |
df9c26b1 | 640 | return get_file_size(td, f); |
21972cde JA |
641 | } |
642 | ||
7bb48f84 JA |
643 | /* |
644 | * open/close all files, so that ->real_file_size gets set | |
645 | */ | |
bab3fd58 | 646 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
647 | { |
648 | struct fio_file *f; | |
649 | unsigned int i; | |
bab3fd58 | 650 | int err = 0; |
7bb48f84 JA |
651 | |
652 | for_each_file(td, f, i) { | |
5ec10eaa JA |
653 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
654 | f->file_name); | |
9efef3c4 | 655 | |
99a47c69 | 656 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
657 | if (td->error != ENOENT) { |
658 | log_err("%s\n", td->verror); | |
659 | err = 1; | |
660 | } | |
541d66d7 | 661 | clear_error(td); |
07eb79df | 662 | } |
409b3417 JA |
663 | |
664 | if (f->real_file_size == -1ULL && td->o.size) | |
665 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 666 | } |
bab3fd58 JA |
667 | |
668 | return err; | |
7bb48f84 JA |
669 | } |
670 | ||
2e3bd4c2 JA |
671 | struct fio_mount { |
672 | struct flist_head list; | |
673 | const char *base; | |
674 | char __base[256]; | |
675 | unsigned int key; | |
676 | }; | |
677 | ||
678 | /* | |
679 | * Get free number of bytes for each file on each unique mount. | |
680 | */ | |
681 | static unsigned long long get_fs_free_counts(struct thread_data *td) | |
682 | { | |
683 | struct flist_head *n, *tmp; | |
68b0316f | 684 | unsigned long long ret = 0; |
2e3bd4c2 JA |
685 | struct fio_mount *fm; |
686 | FLIST_HEAD(list); | |
687 | struct fio_file *f; | |
688 | unsigned int i; | |
689 | ||
690 | for_each_file(td, f, i) { | |
691 | struct stat sb; | |
692 | char buf[256]; | |
693 | ||
4ccdccd1 JA |
694 | if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) { |
695 | if (f->real_file_size != -1ULL) | |
696 | ret += f->real_file_size; | |
68b0316f JA |
697 | continue; |
698 | } else if (f->filetype != FIO_TYPE_FILE) | |
699 | continue; | |
700 | ||
da27a4bf JA |
701 | buf[255] = '\0'; |
702 | strncpy(buf, f->file_name, 255); | |
2e3bd4c2 JA |
703 | |
704 | if (stat(buf, &sb) < 0) { | |
705 | if (errno != ENOENT) | |
706 | break; | |
707 | strcpy(buf, "."); | |
708 | if (stat(buf, &sb) < 0) | |
709 | break; | |
710 | } | |
711 | ||
712 | fm = NULL; | |
713 | flist_for_each(n, &list) { | |
714 | fm = flist_entry(n, struct fio_mount, list); | |
715 | if (fm->key == sb.st_dev) | |
716 | break; | |
717 | ||
718 | fm = NULL; | |
719 | } | |
720 | ||
721 | if (fm) | |
722 | continue; | |
723 | ||
3660ceae JA |
724 | fm = calloc(1, sizeof(*fm)); |
725 | strncpy(fm->__base, buf, sizeof(fm->__base) - 1); | |
2e3bd4c2 JA |
726 | fm->base = basename(fm->__base); |
727 | fm->key = sb.st_dev; | |
728 | flist_add(&fm->list, &list); | |
729 | } | |
730 | ||
2e3bd4c2 JA |
731 | flist_for_each_safe(n, tmp, &list) { |
732 | unsigned long long sz; | |
733 | ||
734 | fm = flist_entry(n, struct fio_mount, list); | |
735 | flist_del(&fm->list); | |
736 | ||
737 | sz = get_fs_size(fm->base); | |
738 | if (sz && sz != -1ULL) | |
739 | ret += sz; | |
740 | ||
741 | free(fm); | |
742 | } | |
743 | ||
744 | return ret; | |
745 | } | |
746 | ||
bedc9dc2 | 747 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
ce95d651 | 748 | { |
bedc9dc2 JA |
749 | struct thread_options *o = &td->o; |
750 | ||
751 | if (o->file_append && f->filetype == FIO_TYPE_FILE) | |
752 | return f->real_file_size; | |
753 | ||
ce95d651 DE |
754 | return td->o.start_offset + |
755 | (td->thread_number - 1) * td->o.offset_increment; | |
756 | } | |
757 | ||
7bb48f84 JA |
758 | /* |
759 | * Open the files and setup files sizes, creating files if necessary. | |
760 | */ | |
53cdc686 JA |
761 | int setup_files(struct thread_data *td) |
762 | { | |
7bb48f84 | 763 | unsigned long long total_size, extend_size; |
de98bd30 | 764 | struct thread_options *o = &td->o; |
53cdc686 | 765 | struct fio_file *f; |
002fe734 | 766 | unsigned int i, nr_fs_extra = 0; |
000b0803 | 767 | int err = 0, need_extend; |
e90391eb | 768 | int old_state; |
002fe734 JA |
769 | const unsigned int bs = td_min_bs(td); |
770 | uint64_t fs = 0; | |
53cdc686 | 771 | |
ee56ad50 JA |
772 | dprint(FD_FILE, "setup files\n"); |
773 | ||
8edd973d | 774 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
e90391eb | 775 | |
de98bd30 | 776 | if (o->read_iolog_file) |
25460cf6 | 777 | goto done; |
691c8fb0 | 778 | |
53cdc686 JA |
779 | /* |
780 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
781 | * opening the files and setting f->real_file_size to indicate |
782 | * the valid range for that file. | |
53cdc686 JA |
783 | */ |
784 | if (td->io_ops->setup) | |
7bb48f84 JA |
785 | err = td->io_ops->setup(td); |
786 | else | |
bab3fd58 | 787 | err = get_file_sizes(td); |
53cdc686 | 788 | |
f1027063 | 789 | if (err) |
e90391eb | 790 | goto err_out; |
f1027063 | 791 | |
0a7eb121 | 792 | /* |
7bb48f84 JA |
793 | * check sizes. if the files/devices do not exist and the size |
794 | * isn't passed to fio, abort. | |
0a7eb121 | 795 | */ |
7bb48f84 JA |
796 | total_size = 0; |
797 | for_each_file(td, f, i) { | |
798 | if (f->real_file_size == -1ULL) | |
799 | total_size = -1ULL; | |
800 | else | |
801 | total_size += f->real_file_size; | |
802 | } | |
0a7eb121 | 803 | |
de98bd30 | 804 | if (o->fill_device) |
2e3bd4c2 JA |
805 | td->fill_device_size = get_fs_free_counts(td); |
806 | ||
7bb48f84 JA |
807 | /* |
808 | * device/file sizes are zero and no size given, punt | |
809 | */ | |
de98bd30 JA |
810 | if ((!total_size || total_size == -1ULL) && !o->size && |
811 | !(td->io_ops->flags & FIO_NOIO) && !o->fill_device && | |
812 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { | |
813 | log_err("%s: you need to specify size=\n", o->name); | |
e1161c32 | 814 | td_verror(td, EINVAL, "total_file_size"); |
e90391eb | 815 | goto err_out; |
53cdc686 JA |
816 | } |
817 | ||
002fe734 JA |
818 | /* |
819 | * Calculate per-file size and potential extra size for the | |
820 | * first files, if needed. | |
821 | */ | |
d1e78e6b | 822 | if (!o->file_size_low && o->nr_files) { |
002fe734 JA |
823 | uint64_t all_fs; |
824 | ||
825 | fs = o->size / o->nr_files; | |
826 | all_fs = fs * o->nr_files; | |
827 | ||
828 | if (all_fs < o->size) | |
829 | nr_fs_extra = (o->size - all_fs) / bs; | |
830 | } | |
831 | ||
7bb48f84 JA |
832 | /* |
833 | * now file sizes are known, so we can set ->io_size. if size= is | |
834 | * not given, ->io_size is just equal to ->real_file_size. if size | |
835 | * is given, ->io_size is size / nr_files. | |
836 | */ | |
837 | extend_size = total_size = 0; | |
838 | need_extend = 0; | |
839 | for_each_file(td, f, i) { | |
bedc9dc2 | 840 | f->file_offset = get_start_offset(td, f); |
bcdedd0a | 841 | |
de98bd30 | 842 | if (!o->file_size_low) { |
7bb48f84 JA |
843 | /* |
844 | * no file size range given, file size is equal to | |
002fe734 JA |
845 | * total size divided by number of files. If that is |
846 | * zero, set it to the real file size. If the size | |
847 | * doesn't divide nicely with the min blocksize, | |
848 | * make the first files bigger. | |
7bb48f84 | 849 | */ |
002fe734 JA |
850 | f->io_size = fs; |
851 | if (nr_fs_extra) { | |
852 | nr_fs_extra--; | |
853 | f->io_size += bs; | |
854 | } | |
855 | ||
65bdb10a | 856 | if (!f->io_size) |
273f8c91 | 857 | f->io_size = f->real_file_size - f->file_offset; |
de98bd30 JA |
858 | } else if (f->real_file_size < o->file_size_low || |
859 | f->real_file_size > o->file_size_high) { | |
860 | if (f->file_offset > o->file_size_low) | |
bcdedd0a | 861 | goto err_offset; |
7bb48f84 JA |
862 | /* |
863 | * file size given. if it's fixed, use that. if it's a | |
864 | * range, generate a random size in-between. | |
865 | */ | |
de98bd30 JA |
866 | if (o->file_size_low == o->file_size_high) |
867 | f->io_size = o->file_size_low - f->file_offset; | |
868 | else { | |
5ec10eaa JA |
869 | f->io_size = get_rand_file_size(td) |
870 | - f->file_offset; | |
871 | } | |
65bdb10a | 872 | } else |
bcdedd0a | 873 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 874 | |
7bb48f84 JA |
875 | if (f->io_size == -1ULL) |
876 | total_size = -1ULL; | |
4d002569 | 877 | else { |
de98bd30 JA |
878 | if (o->size_percent) |
879 | f->io_size = (f->io_size * o->size_percent) / 100; | |
7bb48f84 | 880 | total_size += f->io_size; |
4d002569 | 881 | } |
7bb48f84 JA |
882 | |
883 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 884 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 | 885 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
de98bd30 | 886 | if (!o->create_on_open) { |
814452bd JA |
887 | need_extend++; |
888 | extend_size += (f->io_size + f->file_offset); | |
889 | } else | |
890 | f->real_file_size = f->io_size + f->file_offset; | |
d6aed795 | 891 | fio_file_set_extend(f); |
5ec10eaa | 892 | } |
7bb48f84 | 893 | } |
53cdc686 | 894 | |
de98bd30 JA |
895 | if (!o->size || o->size > total_size) |
896 | o->size = total_size; | |
21972cde | 897 | |
d1faa06d JA |
898 | if (o->size < td_min_bs(td)) { |
899 | log_err("fio: blocksize too large for data set\n"); | |
900 | goto err_out; | |
901 | } | |
902 | ||
7bb48f84 JA |
903 | /* |
904 | * See if we need to extend some files | |
905 | */ | |
906 | if (need_extend) { | |
907 | temp_stall_ts = 1; | |
f3afa57e | 908 | if (output_format == FIO_OUTPUT_NORMAL) |
a7ba8c5f | 909 | log_info("%s: Laying out IO file(s) (%u file(s) /" |
de98bd30 | 910 | " %lluMB)\n", o->name, need_extend, |
a7ba8c5f | 911 | extend_size >> 20); |
7bb48f84 JA |
912 | |
913 | for_each_file(td, f, i) { | |
5e0074c2 | 914 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
3baddf24 | 915 | |
d6aed795 | 916 | if (!fio_file_extend(f)) |
7bb48f84 JA |
917 | continue; |
918 | ||
409b3417 | 919 | assert(f->filetype == FIO_TYPE_FILE); |
d6aed795 | 920 | fio_file_clear_extend(f); |
de98bd30 | 921 | if (!o->fill_device) { |
5e0074c2 | 922 | old_len = f->real_file_size; |
0b9d69ec JA |
923 | extend_len = f->io_size + f->file_offset - |
924 | old_len; | |
5e0074c2 | 925 | } |
bcdedd0a | 926 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
927 | err = extend_file(td, f); |
928 | if (err) | |
3baddf24 | 929 | break; |
5e0074c2 | 930 | |
3baddf24 JA |
931 | err = __file_invalidate_cache(td, f, old_len, |
932 | extend_len); | |
9824f73b JA |
933 | |
934 | /* | |
935 | * Shut up static checker | |
936 | */ | |
937 | if (f->fd != -1) | |
938 | close(f->fd); | |
939 | ||
3baddf24 JA |
940 | f->fd = -1; |
941 | if (err) | |
7bb48f84 JA |
942 | break; |
943 | } | |
944 | temp_stall_ts = 0; | |
945 | } | |
946 | ||
947 | if (err) | |
e90391eb | 948 | goto err_out; |
7bb48f84 | 949 | |
de98bd30 JA |
950 | if (!o->zone_size) |
951 | o->zone_size = o->size; | |
7bb48f84 | 952 | |
ea966f81 JA |
953 | /* |
954 | * iolog already set the total io size, if we read back | |
955 | * stored entries. | |
956 | */ | |
77731b29 JA |
957 | if (!o->read_iolog_file) { |
958 | if (o->io_limit) | |
959 | td->total_io_size = o->io_limit * o->loops; | |
960 | else | |
961 | td->total_io_size = o->size * o->loops; | |
962 | } | |
25460cf6 JA |
963 | |
964 | done: | |
de98bd30 | 965 | if (o->create_only) |
25460cf6 JA |
966 | td->done = 1; |
967 | ||
8edd973d | 968 | td_restore_runstate(td, old_state); |
7bb48f84 | 969 | return 0; |
bcdedd0a | 970 | err_offset: |
de98bd30 | 971 | log_err("%s: you need to specify valid offset=\n", o->name); |
e90391eb | 972 | err_out: |
8edd973d | 973 | td_restore_runstate(td, old_state); |
bcdedd0a | 974 | return 1; |
53cdc686 JA |
975 | } |
976 | ||
afad68f7 ZY |
977 | int pre_read_files(struct thread_data *td) |
978 | { | |
979 | struct fio_file *f; | |
980 | unsigned int i; | |
981 | ||
982 | dprint(FD_FILE, "pre_read files\n"); | |
983 | ||
984 | for_each_file(td, f, i) { | |
985 | pre_read_file(td, f); | |
986 | } | |
987 | ||
988 | return 1; | |
989 | } | |
990 | ||
9c6f6316 JA |
991 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
992 | { | |
2316296a | 993 | unsigned int range_size, seed; |
9c6f6316 | 994 | unsigned long nranges; |
21415db9 | 995 | uint64_t file_size; |
9c6f6316 JA |
996 | |
997 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); | |
21415db9 | 998 | file_size = min(f->real_file_size, f->io_size); |
9c6f6316 | 999 | |
21415db9 | 1000 | nranges = (file_size + range_size - 1) / range_size; |
9c6f6316 | 1001 | |
2316296a | 1002 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
8425687e JA |
1003 | if (!td->o.rand_repeatable) |
1004 | seed = td->rand_seeds[4]; | |
1005 | ||
9c6f6316 | 1006 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
888677a4 | 1007 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
9c6f6316 | 1008 | else |
888677a4 | 1009 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
9c6f6316 JA |
1010 | |
1011 | return 1; | |
1012 | } | |
1013 | ||
1014 | static int init_rand_distribution(struct thread_data *td) | |
1015 | { | |
1016 | struct fio_file *f; | |
1017 | unsigned int i; | |
1018 | int state; | |
1019 | ||
1020 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) | |
1021 | return 0; | |
1022 | ||
8edd973d JA |
1023 | state = td_bump_runstate(td, TD_SETTING_UP); |
1024 | ||
9c6f6316 JA |
1025 | for_each_file(td, f, i) |
1026 | __init_rand_distribution(td, f); | |
8edd973d JA |
1027 | |
1028 | td_restore_runstate(td, state); | |
9c6f6316 JA |
1029 | |
1030 | return 1; | |
1031 | } | |
1032 | ||
68727076 JA |
1033 | int init_random_map(struct thread_data *td) |
1034 | { | |
51ede0b1 | 1035 | unsigned long long blocks; |
68727076 JA |
1036 | struct fio_file *f; |
1037 | unsigned int i; | |
1038 | ||
9c6f6316 JA |
1039 | if (init_rand_distribution(td)) |
1040 | return 0; | |
3831a843 | 1041 | if (!td_random(td)) |
68727076 JA |
1042 | return 0; |
1043 | ||
1044 | for_each_file(td, f, i) { | |
38f30c81 JA |
1045 | uint64_t file_size = min(f->real_file_size, f->io_size); |
1046 | ||
53737ae0 JA |
1047 | blocks = file_size / (unsigned long long) td->o.rw_min_bs; |
1048 | ||
8055e41d | 1049 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
82af46be JA |
1050 | unsigned long seed; |
1051 | ||
1052 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; | |
9c0f3f32 | 1053 | |
225ba9e3 | 1054 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) |
8055e41d | 1055 | continue; |
3831a843 | 1056 | } else if (!td->o.norandommap) { |
7ebd796f JA |
1057 | f->io_axmap = axmap_new(blocks); |
1058 | if (f->io_axmap) | |
8055e41d | 1059 | continue; |
1cad7121 JA |
1060 | } else if (td->o.norandommap) |
1061 | continue; | |
ceadd59e | 1062 | |
2b386d25 | 1063 | if (!td->o.softrandommap) { |
5ec10eaa JA |
1064 | log_err("fio: failed allocating random map. If running" |
1065 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
1066 | " option or set 'softrandommap'. Or give" |
1067 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
1068 | return 1; |
1069 | } | |
303032ae JA |
1070 | |
1071 | log_info("fio: file %s failed allocating random map. Running " | |
1072 | "job without.\n", f->file_name); | |
68727076 JA |
1073 | } |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
53cdc686 JA |
1078 | void close_files(struct thread_data *td) |
1079 | { | |
0ab8db89 | 1080 | struct fio_file *f; |
af52b345 | 1081 | unsigned int i; |
53cdc686 | 1082 | |
2be3eec3 JA |
1083 | for_each_file(td, f, i) { |
1084 | if (fio_file_open(f)) | |
1085 | td_io_close_file(td, f); | |
1086 | } | |
24ffd2c2 JA |
1087 | } |
1088 | ||
1089 | void close_and_free_files(struct thread_data *td) | |
1090 | { | |
1091 | struct fio_file *f; | |
1092 | unsigned int i; | |
1093 | ||
ee56ad50 JA |
1094 | dprint(FD_FILE, "close files\n"); |
1095 | ||
0ab8db89 | 1096 | for_each_file(td, f, i) { |
22a57ba8 JA |
1097 | if (fio_file_open(f)) |
1098 | td_io_close_file(td, f); | |
1099 | ||
b9fbcf21 | 1100 | remove_file_hash(f); |
b3dc7f07 | 1101 | |
b5f4d8ba JA |
1102 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
1103 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
1104 | unlink(f->file_name); | |
1105 | } | |
1106 | ||
f17c4392 | 1107 | sfree(f->file_name); |
fa1da865 | 1108 | f->file_name = NULL; |
7ebd796f JA |
1109 | axmap_free(f->io_axmap); |
1110 | f->io_axmap = NULL; | |
78d99e6a | 1111 | sfree(f); |
53cdc686 | 1112 | } |
b4a6a59a | 1113 | |
2dc1bbeb | 1114 | td->o.filename = NULL; |
cade3ef4 | 1115 | free(td->files); |
d7df1d13 | 1116 | free(td->file_locks); |
9efef3c4 | 1117 | td->files_index = 0; |
b4a6a59a | 1118 | td->files = NULL; |
d7df1d13 | 1119 | td->file_locks = NULL; |
27ddbfa0 | 1120 | td->o.file_lock_mode = FILE_LOCK_NONE; |
2dc1bbeb | 1121 | td->o.nr_files = 0; |
53cdc686 | 1122 | } |
af52b345 | 1123 | |
e3bab463 | 1124 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
1125 | { |
1126 | struct stat sb; | |
1127 | ||
66159828 JA |
1128 | if (!strcmp(f->file_name, "-")) |
1129 | f->filetype = FIO_TYPE_PIPE; | |
1130 | else | |
1131 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 1132 | |
3892182a BC |
1133 | /* \\.\ is the device namespace in Windows, where every file is |
1134 | * a block device */ | |
1135 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) | |
1136 | f->filetype = FIO_TYPE_BD; | |
1137 | ||
b30d395e | 1138 | if (!stat(f->file_name, &sb)) { |
3892182a | 1139 | if (S_ISBLK(sb.st_mode)) |
af52b345 JA |
1140 | f->filetype = FIO_TYPE_BD; |
1141 | else if (S_ISCHR(sb.st_mode)) | |
1142 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
1143 | else if (S_ISFIFO(sb.st_mode)) |
1144 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
1145 | } |
1146 | } | |
1147 | ||
90426237 | 1148 | static int __is_already_allocated(const char *fname) |
190b8f0c | 1149 | { |
90426237 JA |
1150 | struct flist_head *entry; |
1151 | char *filename; | |
bcbfeefa | 1152 | |
90426237 JA |
1153 | if (flist_empty(&filename_list)) |
1154 | return 0; | |
1155 | ||
1156 | flist_for_each(entry, &filename_list) { | |
1157 | filename = flist_entry(entry, struct file_name, list)->filename; | |
1158 | ||
1159 | if (strcmp(filename, fname) == 0) | |
1160 | return 1; | |
1161 | } | |
1162 | ||
1163 | return 0; | |
bcbfeefa CE |
1164 | } |
1165 | ||
1166 | static int is_already_allocated(const char *fname) | |
1167 | { | |
90426237 | 1168 | int ret; |
bcbfeefa | 1169 | |
90426237 JA |
1170 | fio_file_hash_lock(); |
1171 | ret = __is_already_allocated(fname); | |
1172 | fio_file_hash_unlock(); | |
1173 | return ret; | |
1174 | } | |
bcbfeefa | 1175 | |
90426237 JA |
1176 | static void set_already_allocated(const char *fname) |
1177 | { | |
1178 | struct file_name *fn; | |
1179 | ||
1180 | fn = malloc(sizeof(struct file_name)); | |
1181 | fn->filename = strdup(fname); | |
1182 | ||
1183 | fio_file_hash_lock(); | |
1184 | if (!__is_already_allocated(fname)) { | |
1185 | flist_add_tail(&fn->list, &filename_list); | |
1186 | fn = NULL; | |
bcbfeefa | 1187 | } |
90426237 | 1188 | fio_file_hash_unlock(); |
bcbfeefa | 1189 | |
90426237 JA |
1190 | if (fn) { |
1191 | free(fn->filename); | |
1192 | free(fn); | |
1193 | } | |
bcbfeefa CE |
1194 | } |
1195 | ||
90426237 | 1196 | |
190b8f0c CF |
1197 | static void free_already_allocated(void) |
1198 | { | |
bcbfeefa CE |
1199 | struct flist_head *entry, *tmp; |
1200 | struct file_name *fn; | |
1201 | ||
90426237 JA |
1202 | if (flist_empty(&filename_list)) |
1203 | return; | |
1204 | ||
1205 | fio_file_hash_lock(); | |
1206 | flist_for_each_safe(entry, tmp, &filename_list) { | |
1207 | fn = flist_entry(entry, struct file_name, list); | |
1208 | free(fn->filename); | |
1209 | flist_del(&fn->list); | |
1210 | free(fn); | |
bcbfeefa | 1211 | } |
90426237 JA |
1212 | |
1213 | fio_file_hash_unlock(); | |
bcbfeefa CE |
1214 | } |
1215 | ||
7b5cb700 JA |
1216 | static struct fio_file *alloc_new_file(struct thread_data *td) |
1217 | { | |
1218 | struct fio_file *f; | |
1219 | ||
1220 | f = smalloc(sizeof(*f)); | |
1221 | if (!f) { | |
1222 | log_err("fio: smalloc OOM\n"); | |
1223 | assert(0); | |
1224 | return NULL; | |
1225 | } | |
1226 | ||
1227 | f->fd = -1; | |
1228 | f->shadow_fd = -1; | |
1229 | fio_file_reset(td, f); | |
1230 | return f; | |
1231 | } | |
1232 | ||
5903e7b7 | 1233 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
af52b345 | 1234 | { |
7b4e4fe5 | 1235 | int cur_files = td->files_index; |
bd0ee748 | 1236 | char file_name[PATH_MAX]; |
af52b345 | 1237 | struct fio_file *f; |
bd0ee748 | 1238 | int len = 0; |
af52b345 | 1239 | |
ee56ad50 JA |
1240 | dprint(FD_FILE, "add file %s\n", fname); |
1241 | ||
bcbfeefa CE |
1242 | if (td->o.directory) |
1243 | len = set_name_idx(file_name, td->o.directory, numjob); | |
1244 | ||
1245 | sprintf(file_name + len, "%s", fname); | |
1246 | ||
1247 | /* clean cloned siblings using existing files */ | |
1248 | if (numjob && is_already_allocated(file_name)) | |
1249 | return 0; | |
1250 | ||
7b5cb700 | 1251 | f = alloc_new_file(td); |
bd0ee748 | 1252 | |
fc99bc0d | 1253 | if (td->files_size <= td->files_index) { |
1983e327 | 1254 | unsigned int new_size = td->o.nr_files + 1; |
126d65c6 | 1255 | |
fc99bc0d JA |
1256 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
1257 | ||
1258 | td->files = realloc(td->files, new_size * sizeof(f)); | |
d537c08b JM |
1259 | if (td->files == NULL) { |
1260 | log_err("fio: realloc OOM\n"); | |
1261 | assert(0); | |
1262 | } | |
d7df1d13 JA |
1263 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
1264 | td->file_locks = realloc(td->file_locks, new_size); | |
1265 | if (!td->file_locks) { | |
1266 | log_err("fio: realloc OOM\n"); | |
1267 | assert(0); | |
1268 | } | |
1269 | td->file_locks[cur_files] = FILE_LOCK_NONE; | |
1270 | } | |
fc99bc0d JA |
1271 | td->files_size = new_size; |
1272 | } | |
8bb7679e | 1273 | td->files[cur_files] = f; |
89ac1d48 | 1274 | f->fileno = cur_files; |
126d65c6 | 1275 | |
07eb79df JA |
1276 | /* |
1277 | * init function, io engine may not be loaded yet | |
1278 | */ | |
1279 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
1280 | f->real_file_size = -1ULL; | |
1281 | ||
f17c4392 | 1282 | f->file_name = smalloc_strdup(file_name); |
c48c0be7 JA |
1283 | if (!f->file_name) { |
1284 | log_err("fio: smalloc OOM\n"); | |
1285 | assert(0); | |
1286 | } | |
0b9d69ec | 1287 | |
e3bab463 | 1288 | get_file_type(f); |
af52b345 | 1289 | |
4d4e80f2 JA |
1290 | switch (td->o.file_lock_mode) { |
1291 | case FILE_LOCK_NONE: | |
1292 | break; | |
1293 | case FILE_LOCK_READWRITE: | |
d7df1d13 | 1294 | f->rwlock = fio_rwlock_init(); |
4d4e80f2 JA |
1295 | break; |
1296 | case FILE_LOCK_EXCLUSIVE: | |
521da527 | 1297 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
4d4e80f2 JA |
1298 | break; |
1299 | default: | |
1300 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
1301 | assert(0); | |
1302 | } | |
29c1349f | 1303 | |
7b4e4fe5 | 1304 | td->files_index++; |
1549441c JA |
1305 | if (f->filetype == FIO_TYPE_FILE) |
1306 | td->nr_normal_files++; | |
f29b25a3 | 1307 | |
bcbfeefa CE |
1308 | set_already_allocated(file_name); |
1309 | ||
5903e7b7 JA |
1310 | if (inc) |
1311 | td->o.nr_files++; | |
1312 | ||
5ec10eaa JA |
1313 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
1314 | cur_files); | |
9efef3c4 | 1315 | |
f29b25a3 | 1316 | return cur_files; |
af52b345 | 1317 | } |
0ad920e7 | 1318 | |
49ffb4a2 JA |
1319 | int add_file_exclusive(struct thread_data *td, const char *fname) |
1320 | { | |
1321 | struct fio_file *f; | |
1322 | unsigned int i; | |
1323 | ||
1324 | for_each_file(td, f, i) { | |
1325 | if (!strcmp(f->file_name, fname)) | |
1326 | return i; | |
1327 | } | |
1328 | ||
5903e7b7 | 1329 | return add_file(td, fname, 0, 1); |
49ffb4a2 JA |
1330 | } |
1331 | ||
0ad920e7 JA |
1332 | void get_file(struct fio_file *f) |
1333 | { | |
8172fe97 | 1334 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
d6aed795 | 1335 | assert(fio_file_open(f)); |
0ad920e7 JA |
1336 | f->references++; |
1337 | } | |
1338 | ||
6977bcd0 | 1339 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 1340 | { |
98e1ac4e | 1341 | int f_ret = 0, ret = 0; |
6977bcd0 | 1342 | |
8172fe97 | 1343 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 1344 | |
22a57ba8 JA |
1345 | if (!fio_file_open(f)) { |
1346 | assert(f->fd == -1); | |
6977bcd0 | 1347 | return 0; |
22a57ba8 | 1348 | } |
0ad920e7 JA |
1349 | |
1350 | assert(f->references); | |
1351 | if (--f->references) | |
6977bcd0 | 1352 | return 0; |
0ad920e7 | 1353 | |
71b84caa | 1354 | if (should_fsync(td) && td->o.fsync_on_close) { |
98e1ac4e | 1355 | f_ret = fsync(f->fd); |
71b84caa JA |
1356 | if (f_ret < 0) |
1357 | f_ret = errno; | |
1358 | } | |
ebb1415f | 1359 | |
0ad920e7 | 1360 | if (td->io_ops->close_file) |
6977bcd0 | 1361 | ret = td->io_ops->close_file(td, f); |
1020a139 | 1362 | |
98e1ac4e | 1363 | if (!ret) |
a5fb461f | 1364 | ret = f_ret; |
98e1ac4e | 1365 | |
0ad920e7 | 1366 | td->nr_open_files--; |
d6aed795 | 1367 | fio_file_clear_open(f); |
22a57ba8 | 1368 | assert(f->fd == -1); |
6977bcd0 | 1369 | return ret; |
0ad920e7 | 1370 | } |
bbf6b540 | 1371 | |
4d4e80f2 | 1372 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 1373 | { |
4d4e80f2 JA |
1374 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1375 | return; | |
29c1349f | 1376 | |
4d4e80f2 JA |
1377 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
1378 | if (ddir == DDIR_READ) | |
d7df1d13 | 1379 | fio_rwlock_read(f->rwlock); |
4d4e80f2 | 1380 | else |
d7df1d13 | 1381 | fio_rwlock_write(f->rwlock); |
4d4e80f2 JA |
1382 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1383 | fio_mutex_down(f->lock); | |
1384 | ||
d7df1d13 | 1385 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
b2bd2bd9 JA |
1386 | } |
1387 | ||
4d4e80f2 | 1388 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 1389 | { |
4d4e80f2 JA |
1390 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
1391 | return; | |
4d4e80f2 | 1392 | |
d7df1d13 JA |
1393 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
1394 | fio_rwlock_unlock(f->rwlock); | |
1395 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
4d4e80f2 | 1396 | fio_mutex_up(f->lock); |
d7df1d13 JA |
1397 | |
1398 | td->file_locks[f->fileno] = FILE_LOCK_NONE; | |
b2bd2bd9 JA |
1399 | } |
1400 | ||
4d4e80f2 JA |
1401 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
1402 | { | |
f2a2803a | 1403 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
27ddbfa0 | 1404 | return; |
d7df1d13 JA |
1405 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
1406 | unlock_file(td, f); | |
4d4e80f2 JA |
1407 | } |
1408 | ||
bbf6b540 JA |
1409 | static int recurse_dir(struct thread_data *td, const char *dirname) |
1410 | { | |
1411 | struct dirent *dir; | |
1412 | int ret = 0; | |
1413 | DIR *D; | |
1414 | ||
1415 | D = opendir(dirname); | |
1416 | if (!D) { | |
0ddb270c JA |
1417 | char buf[FIO_VERROR_SIZE]; |
1418 | ||
98ffb8f3 | 1419 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
0ddb270c | 1420 | td_verror(td, errno, buf); |
bbf6b540 JA |
1421 | return 1; |
1422 | } | |
1423 | ||
1424 | while ((dir = readdir(D)) != NULL) { | |
1425 | char full_path[PATH_MAX]; | |
1426 | struct stat sb; | |
1427 | ||
e85b2b83 JA |
1428 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
1429 | continue; | |
96d32d51 | 1430 | |
b9fd788f | 1431 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
bbf6b540 JA |
1432 | |
1433 | if (lstat(full_path, &sb) == -1) { | |
1434 | if (errno != ENOENT) { | |
1435 | td_verror(td, errno, "stat"); | |
68ace9e0 JA |
1436 | ret = 1; |
1437 | break; | |
bbf6b540 JA |
1438 | } |
1439 | } | |
1440 | ||
1441 | if (S_ISREG(sb.st_mode)) { | |
5903e7b7 | 1442 | add_file(td, full_path, 0, 1); |
bbf6b540 JA |
1443 | continue; |
1444 | } | |
0ddb270c JA |
1445 | if (!S_ISDIR(sb.st_mode)) |
1446 | continue; | |
bbf6b540 | 1447 | |
5ec10eaa JA |
1448 | ret = recurse_dir(td, full_path); |
1449 | if (ret) | |
bbf6b540 JA |
1450 | break; |
1451 | } | |
1452 | ||
1453 | closedir(D); | |
1454 | return ret; | |
1455 | } | |
1456 | ||
1457 | int add_dir_files(struct thread_data *td, const char *path) | |
1458 | { | |
0ddb270c JA |
1459 | int ret = recurse_dir(td, path); |
1460 | ||
1461 | if (!ret) | |
1462 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
1463 | ||
1464 | return ret; | |
bbf6b540 | 1465 | } |
cade3ef4 JA |
1466 | |
1467 | void dup_files(struct thread_data *td, struct thread_data *org) | |
1468 | { | |
1469 | struct fio_file *f; | |
1470 | unsigned int i; | |
9efef3c4 JA |
1471 | |
1472 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
1473 | |
1474 | if (!org->files) | |
1475 | return; | |
1476 | ||
9efef3c4 | 1477 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 1478 | |
d7df1d13 JA |
1479 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
1480 | td->file_locks = malloc(org->files_index); | |
1481 | ||
9efef3c4 | 1482 | for_each_file(org, f, i) { |
b0fe421a JA |
1483 | struct fio_file *__f; |
1484 | ||
7b5cb700 | 1485 | __f = alloc_new_file(td); |
0b9d69ec | 1486 | |
bc3456fa | 1487 | if (f->file_name) { |
f17c4392 | 1488 | __f->file_name = smalloc_strdup(f->file_name); |
c48c0be7 JA |
1489 | if (!__f->file_name) { |
1490 | log_err("fio: smalloc OOM\n"); | |
1491 | assert(0); | |
1492 | } | |
0b9d69ec | 1493 | |
bc3456fa AC |
1494 | __f->filetype = f->filetype; |
1495 | } | |
b0fe421a | 1496 | |
67ad9242 JA |
1497 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
1498 | __f->lock = f->lock; | |
1499 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) | |
1500 | __f->rwlock = f->rwlock; | |
1501 | ||
b0fe421a | 1502 | td->files[i] = __f; |
cade3ef4 JA |
1503 | } |
1504 | } | |
f29b25a3 JA |
1505 | |
1506 | /* | |
1507 | * Returns the index that matches the filename, or -1 if not there | |
1508 | */ | |
1509 | int get_fileno(struct thread_data *td, const char *fname) | |
1510 | { | |
1511 | struct fio_file *f; | |
1512 | unsigned int i; | |
1513 | ||
1514 | for_each_file(td, f, i) | |
1515 | if (!strcmp(f->file_name, fname)) | |
1516 | return i; | |
1517 | ||
1518 | return -1; | |
1519 | } | |
1520 | ||
1521 | /* | |
1522 | * For log usage, where we add/open/close files automatically | |
1523 | */ | |
1524 | void free_release_files(struct thread_data *td) | |
1525 | { | |
1526 | close_files(td); | |
1527 | td->files_index = 0; | |
1528 | td->nr_normal_files = 0; | |
1529 | } | |
33c48814 JA |
1530 | |
1531 | void fio_file_reset(struct thread_data *td, struct fio_file *f) | |
1532 | { | |
1533 | f->last_pos = f->file_offset; | |
1534 | f->last_start = -1ULL; | |
1535 | if (f->io_axmap) | |
1536 | axmap_reset(f->io_axmap); | |
1537 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) | |
1538 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); | |
1539 | } | |
002fe734 JA |
1540 | |
1541 | int fio_files_done(struct thread_data *td) | |
1542 | { | |
1543 | struct fio_file *f; | |
1544 | unsigned int i; | |
1545 | ||
1546 | for_each_file(td, f, i) | |
1547 | if (!fio_file_done(f)) | |
1548 | return 0; | |
1549 | ||
1550 | return 1; | |
1551 | } | |
bcbfeefa CE |
1552 | |
1553 | /* free memory used in initialization phase only */ | |
190b8f0c CF |
1554 | void filesetup_mem_free(void) |
1555 | { | |
bcbfeefa CE |
1556 | free_already_allocated(); |
1557 | } |