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> |
53cdc686 JA |
6 | #include <sys/stat.h> |
7 | #include <sys/mman.h> | |
bbf6b540 | 8 | #include <sys/types.h> |
53cdc686 JA |
9 | |
10 | #include "fio.h" | |
f17c4392 | 11 | #include "smalloc.h" |
4906e0b5 | 12 | #include "filehash.h" |
53cdc686 | 13 | |
7172cfe8 JA |
14 | static int root_warn; |
15 | ||
3baddf24 JA |
16 | /* |
17 | * Leaves f->fd open on success, caller must close | |
18 | */ | |
7bb48f84 | 19 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 20 | { |
ea443657 | 21 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
22 | unsigned long long left; |
23 | unsigned int bs; | |
24 | char *b; | |
b2a15192 | 25 | |
4241ea8f JA |
26 | if (read_only) { |
27 | log_err("fio: refusing extend of file due to read-only\n"); | |
28 | return 0; | |
29 | } | |
30 | ||
507a702f JA |
31 | /* |
32 | * check if we need to lay the file out complete again. fio | |
33 | * does that for operations involving reads, or for writes | |
34 | * where overwrite is set | |
35 | */ | |
ffdfabd4 JA |
36 | if (td_read(td) || (td_write(td) && td->o.overwrite) || |
37 | (td_write(td) && td->io_ops->flags & FIO_NOEXTEND)) | |
507a702f | 38 | new_layout = 1; |
ea443657 JA |
39 | if (td_write(td) && !td->o.overwrite) |
40 | unlink_file = 1; | |
507a702f | 41 | |
6ae1f57f | 42 | if (unlink_file || new_layout) { |
bd199f2b | 43 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
982016d6 | 44 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
7bb48f84 JA |
45 | td_verror(td, errno, "unlink"); |
46 | return 1; | |
47 | } | |
48 | } | |
49 | ||
507a702f JA |
50 | flags = O_WRONLY | O_CREAT; |
51 | if (new_layout) | |
52 | flags |= O_TRUNC; | |
53 | ||
ee56ad50 | 54 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 55 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 56 | if (f->fd < 0) { |
e1161c32 | 57 | td_verror(td, errno, "open"); |
53cdc686 JA |
58 | return 1; |
59 | } | |
60 | ||
fc74ac1d SL |
61 | if (!new_layout) |
62 | goto done; | |
63 | ||
ee56ad50 JA |
64 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, |
65 | f->real_file_size); | |
7bb48f84 | 66 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
e1161c32 | 67 | td_verror(td, errno, "ftruncate"); |
53cdc686 JA |
68 | goto err; |
69 | } | |
70 | ||
fffca02d | 71 | #ifdef FIO_HAVE_FALLOCATE |
ee56ad50 JA |
72 | dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name, |
73 | f->real_file_size); | |
739097e6 JA |
74 | r = posix_fallocate(f->fd, 0, f->real_file_size); |
75 | if (r < 0) | |
65942476 | 76 | log_err("fio: posix_fallocate fails: %s\n", strerror(-r)); |
fffca02d | 77 | #endif |
40f8298c | 78 | |
2dc1bbeb JA |
79 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
80 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 81 | |
7bb48f84 | 82 | left = f->real_file_size; |
53cdc686 | 83 | while (left && !td->terminate) { |
2dc1bbeb | 84 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
85 | if (bs > left) |
86 | bs = left; | |
87 | ||
88 | r = write(f->fd, b, bs); | |
89 | ||
90 | if (r == (int) bs) { | |
91 | left -= bs; | |
92 | continue; | |
93 | } else { | |
94 | if (r < 0) | |
e1161c32 | 95 | td_verror(td, errno, "write"); |
53cdc686 | 96 | else |
e1161c32 | 97 | td_verror(td, EIO, "write"); |
53cdc686 JA |
98 | |
99 | break; | |
100 | } | |
101 | } | |
102 | ||
ffdfabd4 JA |
103 | if (td->terminate) { |
104 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); | |
53cdc686 | 105 | unlink(f->file_name); |
ffdfabd4 | 106 | } else if (td->o.create_fsync) { |
98e1ac4e JA |
107 | if (fsync(f->fd) < 0) { |
108 | td_verror(td, errno, "fsync"); | |
109 | goto err; | |
110 | } | |
111 | } | |
53cdc686 JA |
112 | |
113 | free(b); | |
507a702f | 114 | done: |
53cdc686 JA |
115 | return 0; |
116 | err: | |
117 | close(f->fd); | |
118 | f->fd = -1; | |
119 | return 1; | |
120 | } | |
121 | ||
afad68f7 ZY |
122 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
123 | { | |
b0f65863 | 124 | int r, did_open = 0, old_runstate; |
afad68f7 ZY |
125 | unsigned long long left; |
126 | unsigned int bs; | |
127 | char *b; | |
128 | ||
b0f65863 JA |
129 | if (!(f->flags & FIO_FILE_OPEN)) { |
130 | if (td->io_ops->open_file(td, f)) { | |
131 | log_err("fio: cannot pre-read, failed to open file\n"); | |
132 | return 1; | |
133 | } | |
134 | did_open = 1; | |
135 | } | |
136 | ||
137 | old_runstate = td->runstate; | |
138 | td_set_runstate(td, TD_PRE_READING); | |
139 | ||
afad68f7 ZY |
140 | bs = td->o.max_bs[DDIR_READ]; |
141 | b = malloc(bs); | |
142 | memset(b, 0, bs); | |
143 | ||
144 | lseek(f->fd, f->file_offset, SEEK_SET); | |
145 | left = f->io_size; | |
146 | ||
147 | while (left && !td->terminate) { | |
148 | if (bs > left) | |
149 | bs = left; | |
150 | ||
151 | r = read(f->fd, b, bs); | |
152 | ||
153 | if (r == (int) bs) { | |
154 | left -= bs; | |
155 | continue; | |
156 | } else { | |
157 | td_verror(td, EIO, "pre_read"); | |
158 | break; | |
159 | } | |
160 | } | |
161 | ||
b0f65863 JA |
162 | td_set_runstate(td, old_runstate); |
163 | ||
164 | if (did_open) | |
165 | td->io_ops->close_file(td, f); | |
afad68f7 ZY |
166 | free(b); |
167 | return 0; | |
168 | } | |
169 | ||
7bb48f84 | 170 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 171 | { |
dc873b6f | 172 | unsigned long long ret, sized; |
9c60ce64 JA |
173 | long r; |
174 | ||
9c60ce64 | 175 | r = os_random_long(&td->file_size_state); |
dc873b6f JA |
176 | sized = td->o.file_size_high - td->o.file_size_low; |
177 | ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0))); | |
5ec10eaa | 178 | ret += td->o.file_size_low; |
2dc1bbeb | 179 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
180 | return ret; |
181 | } | |
182 | ||
53cdc686 JA |
183 | static int file_size(struct thread_data *td, struct fio_file *f) |
184 | { | |
185 | struct stat st; | |
186 | ||
df9c26b1 | 187 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
188 | td_verror(td, errno, "fstat"); |
189 | return 1; | |
190 | } | |
53cdc686 | 191 | |
7bb48f84 | 192 | f->real_file_size = st.st_size; |
53cdc686 JA |
193 | return 0; |
194 | } | |
195 | ||
196 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
197 | { | |
198 | unsigned long long bytes; | |
199 | int r; | |
200 | ||
df9c26b1 JA |
201 | if (td->io_ops->open_file(td, f)) { |
202 | log_err("fio: failed opening blockdev %s for size check\n", | |
203 | f->file_name); | |
204 | return 1; | |
205 | } | |
206 | ||
53cdc686 JA |
207 | r = blockdev_size(f->fd, &bytes); |
208 | if (r) { | |
e1161c32 | 209 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 210 | goto err; |
53cdc686 JA |
211 | } |
212 | ||
7ab077ab JA |
213 | if (!bytes) { |
214 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 215 | goto err; |
7ab077ab JA |
216 | } |
217 | ||
53cdc686 | 218 | f->real_file_size = bytes; |
53cdc686 | 219 | return 0; |
df9c26b1 JA |
220 | err: |
221 | td->io_ops->close_file(td, f); | |
222 | return 1; | |
53cdc686 JA |
223 | } |
224 | ||
225 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
226 | { | |
227 | int ret = 0; | |
228 | ||
409b3417 JA |
229 | if (f->flags & FIO_SIZE_KNOWN) |
230 | return 0; | |
231 | ||
7bb48f84 JA |
232 | if (f->filetype == FIO_TYPE_FILE) |
233 | ret = file_size(td, f); | |
234 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
235 | ret = bdev_size(td, f); |
236 | else | |
237 | f->real_file_size = -1; | |
238 | ||
239 | if (ret) | |
240 | return ret; | |
241 | ||
242 | if (f->file_offset > f->real_file_size) { | |
5ec10eaa JA |
243 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, |
244 | f->file_offset, f->real_file_size); | |
53cdc686 JA |
245 | return 1; |
246 | } | |
247 | ||
409b3417 | 248 | f->flags |= FIO_SIZE_KNOWN; |
53cdc686 JA |
249 | return 0; |
250 | } | |
251 | ||
3baddf24 JA |
252 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
253 | unsigned long long off, | |
254 | unsigned long long len) | |
e5b401d4 JA |
255 | { |
256 | int ret = 0; | |
257 | ||
3baddf24 JA |
258 | if (len == -1ULL) |
259 | len = f->io_size; | |
260 | if (off == -1ULL) | |
261 | off = f->file_offset; | |
ee56ad50 | 262 | |
3baddf24 JA |
263 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
264 | len); | |
b5af8293 | 265 | |
e5b401d4 JA |
266 | /* |
267 | * FIXME: add blockdev flushing too | |
268 | */ | |
b5af8293 | 269 | if (f->mmap) |
3baddf24 | 270 | ret = madvise(f->mmap, len, MADV_DONTNEED); |
5ec10eaa | 271 | else if (f->filetype == FIO_TYPE_FILE) { |
3baddf24 | 272 | ret = fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
5ec10eaa | 273 | } else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 274 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 | 275 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 276 | if (!root_warn) { |
5ec10eaa JA |
277 | log_err("fio: only root may flush block " |
278 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
279 | root_warn = 1; |
280 | } | |
7e0e25c9 JA |
281 | ret = 0; |
282 | } | |
b5605e9d | 283 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
284 | ret = 0; |
285 | ||
286 | if (ret < 0) { | |
e1161c32 | 287 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 | 288 | return 1; |
3baddf24 JA |
289 | } else if (ret > 0) { |
290 | td_verror(td, ret, "invalidate_cache"); | |
291 | return 1; | |
e5b401d4 JA |
292 | } |
293 | ||
ad2da605 | 294 | return ret; |
3baddf24 JA |
295 | |
296 | } | |
297 | ||
298 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
299 | { | |
a5fb461f JA |
300 | if (!(f->flags & FIO_FILE_OPEN)) |
301 | return 0; | |
302 | ||
3baddf24 | 303 | return __file_invalidate_cache(td, f, -1, -1); |
e5b401d4 JA |
304 | } |
305 | ||
6977bcd0 | 306 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 307 | { |
6977bcd0 JA |
308 | int ret = 0; |
309 | ||
ee56ad50 | 310 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
311 | |
312 | remove_file_hash(f); | |
313 | ||
6977bcd0 JA |
314 | if (close(f->fd) < 0) |
315 | ret = errno; | |
316 | ||
b5af8293 | 317 | f->fd = -1; |
6977bcd0 | 318 | return ret; |
53cdc686 JA |
319 | } |
320 | ||
4d4e80f2 | 321 | static int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 322 | { |
29c1349f | 323 | struct fio_file *__f; |
4d4e80f2 JA |
324 | int from_hash; |
325 | ||
326 | __f = lookup_file_hash(f->file_name); | |
327 | if (__f) { | |
9efef3c4 | 328 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
329 | /* |
330 | * racy, need the __f->lock locked | |
331 | */ | |
332 | f->lock = __f->lock; | |
333 | f->lock_owner = __f->lock_owner; | |
334 | f->lock_batch = __f->lock_batch; | |
335 | f->lock_ddir = __f->lock_ddir; | |
4d4e80f2 JA |
336 | from_hash = 1; |
337 | } else { | |
9efef3c4 | 338 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
339 | from_hash = 0; |
340 | } | |
341 | ||
e8670ef8 | 342 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
343 | return from_hash; |
344 | } | |
345 | ||
346 | int generic_open_file(struct thread_data *td, struct fio_file *f) | |
347 | { | |
66159828 | 348 | int is_std = 0; |
53cdc686 | 349 | int flags = 0; |
29c1349f | 350 | int from_hash = 0; |
53cdc686 | 351 | |
ee56ad50 JA |
352 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
353 | ||
66159828 JA |
354 | if (!strcmp(f->file_name, "-")) { |
355 | if (td_rw(td)) { | |
356 | log_err("fio: can't read/write to stdin/out\n"); | |
357 | return 1; | |
358 | } | |
359 | is_std = 1; | |
ce98fa66 JA |
360 | |
361 | /* | |
362 | * move output logging to stderr, if we are writing to stdout | |
363 | */ | |
364 | if (td_write(td)) | |
365 | f_out = stderr; | |
66159828 JA |
366 | } |
367 | ||
2dc1bbeb | 368 | if (td->o.odirect) |
2fd233b7 | 369 | flags |= OS_O_DIRECT; |
2dc1bbeb | 370 | if (td->o.sync_io) |
2fd233b7 | 371 | flags |= O_SYNC; |
ad92396c | 372 | if (f->filetype != FIO_TYPE_FILE) |
5921e80c | 373 | flags |= FIO_O_NOATIME; |
814452bd JA |
374 | if (td->o.create_on_open) |
375 | flags |= O_CREAT; | |
53cdc686 | 376 | |
056f3459 | 377 | open_again: |
660a1cb5 | 378 | if (td_write(td)) { |
17308158 JA |
379 | if (!read_only) |
380 | flags |= O_RDWR; | |
53cdc686 | 381 | |
af52b345 | 382 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 383 | flags |= O_CREAT; |
2fd233b7 | 384 | |
66159828 JA |
385 | if (is_std) |
386 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
387 | else |
388 | from_hash = file_lookup_open(f, flags); | |
2fd233b7 | 389 | } else { |
4241ea8f | 390 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
391 | flags |= O_RDWR; |
392 | else | |
393 | flags |= O_RDONLY; | |
394 | ||
66159828 JA |
395 | if (is_std) |
396 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
397 | else |
398 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
399 | } |
400 | ||
401 | if (f->fd == -1) { | |
e4e33258 | 402 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
403 | int __e = errno; |
404 | ||
5921e80c JA |
405 | if (errno == EPERM && (flags & FIO_O_NOATIME)) { |
406 | flags &= ~FIO_O_NOATIME; | |
056f3459 AC |
407 | goto open_again; |
408 | } | |
409 | ||
e8670ef8 | 410 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
e4e33258 JA |
411 | |
412 | td_verror(td, __e, buf); | |
53cdc686 JA |
413 | } |
414 | ||
29c1349f JA |
415 | if (!from_hash && f->fd != -1) { |
416 | if (add_file_hash(f)) { | |
417 | int ret; | |
418 | ||
419 | /* | |
420 | * OK to ignore, we haven't done anything with it | |
421 | */ | |
422 | ret = generic_close_file(td, f); | |
423 | goto open_again; | |
424 | } | |
425 | } | |
4906e0b5 | 426 | |
53cdc686 | 427 | return 0; |
b5af8293 JA |
428 | } |
429 | ||
df9c26b1 | 430 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 431 | { |
df9c26b1 | 432 | return get_file_size(td, f); |
21972cde JA |
433 | } |
434 | ||
7bb48f84 JA |
435 | /* |
436 | * open/close all files, so that ->real_file_size gets set | |
437 | */ | |
bab3fd58 | 438 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
439 | { |
440 | struct fio_file *f; | |
441 | unsigned int i; | |
bab3fd58 | 442 | int err = 0; |
7bb48f84 JA |
443 | |
444 | for_each_file(td, f, i) { | |
5ec10eaa JA |
445 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
446 | f->file_name); | |
9efef3c4 | 447 | |
99a47c69 | 448 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
449 | if (td->error != ENOENT) { |
450 | log_err("%s\n", td->verror); | |
451 | err = 1; | |
452 | } | |
541d66d7 | 453 | clear_error(td); |
07eb79df | 454 | } |
409b3417 JA |
455 | |
456 | if (f->real_file_size == -1ULL && td->o.size) | |
457 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 458 | } |
bab3fd58 JA |
459 | |
460 | return err; | |
7bb48f84 JA |
461 | } |
462 | ||
463 | /* | |
464 | * Open the files and setup files sizes, creating files if necessary. | |
465 | */ | |
53cdc686 JA |
466 | int setup_files(struct thread_data *td) |
467 | { | |
7bb48f84 | 468 | unsigned long long total_size, extend_size; |
53cdc686 | 469 | struct fio_file *f; |
af52b345 | 470 | unsigned int i; |
000b0803 | 471 | int err = 0, need_extend; |
53cdc686 | 472 | |
ee56ad50 JA |
473 | dprint(FD_FILE, "setup files\n"); |
474 | ||
691c8fb0 JA |
475 | if (td->o.read_iolog_file) |
476 | return 0; | |
477 | ||
53cdc686 JA |
478 | /* |
479 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
480 | * opening the files and setting f->real_file_size to indicate |
481 | * the valid range for that file. | |
53cdc686 JA |
482 | */ |
483 | if (td->io_ops->setup) | |
7bb48f84 JA |
484 | err = td->io_ops->setup(td); |
485 | else | |
bab3fd58 | 486 | err = get_file_sizes(td); |
53cdc686 | 487 | |
f1027063 JA |
488 | if (err) |
489 | return err; | |
490 | ||
0a7eb121 | 491 | /* |
7bb48f84 JA |
492 | * check sizes. if the files/devices do not exist and the size |
493 | * isn't passed to fio, abort. | |
0a7eb121 | 494 | */ |
7bb48f84 JA |
495 | total_size = 0; |
496 | for_each_file(td, f, i) { | |
497 | if (f->real_file_size == -1ULL) | |
498 | total_size = -1ULL; | |
499 | else | |
500 | total_size += f->real_file_size; | |
501 | } | |
0a7eb121 | 502 | |
7bb48f84 JA |
503 | /* |
504 | * device/file sizes are zero and no size given, punt | |
505 | */ | |
1f809d15 | 506 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
aa31f1f1 | 507 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
7bb48f84 | 508 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 509 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
510 | return 1; |
511 | } | |
512 | ||
7bb48f84 JA |
513 | /* |
514 | * now file sizes are known, so we can set ->io_size. if size= is | |
515 | * not given, ->io_size is just equal to ->real_file_size. if size | |
516 | * is given, ->io_size is size / nr_files. | |
517 | */ | |
518 | extend_size = total_size = 0; | |
519 | need_extend = 0; | |
520 | for_each_file(td, f, i) { | |
bcdedd0a YHJT |
521 | f->file_offset = td->o.start_offset; |
522 | ||
7bb48f84 JA |
523 | if (!td->o.file_size_low) { |
524 | /* | |
525 | * no file size range given, file size is equal to | |
526 | * total size divided by number of files. if that is | |
527 | * zero, set it to the real file size. | |
528 | */ | |
529 | f->io_size = td->o.size / td->o.nr_files; | |
65bdb10a | 530 | if (!f->io_size) |
273f8c91 | 531 | f->io_size = f->real_file_size - f->file_offset; |
7bb48f84 JA |
532 | } else if (f->real_file_size < td->o.file_size_low || |
533 | f->real_file_size > td->o.file_size_high) { | |
5ec10eaa | 534 | if (f->file_offset > td->o.file_size_low) |
bcdedd0a | 535 | goto err_offset; |
7bb48f84 JA |
536 | /* |
537 | * file size given. if it's fixed, use that. if it's a | |
538 | * range, generate a random size in-between. | |
539 | */ | |
5ec10eaa JA |
540 | if (td->o.file_size_low == td->o.file_size_high) { |
541 | f->io_size = td->o.file_size_low | |
542 | - f->file_offset; | |
543 | } else { | |
544 | f->io_size = get_rand_file_size(td) | |
545 | - f->file_offset; | |
546 | } | |
65bdb10a | 547 | } else |
bcdedd0a | 548 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 549 | |
7bb48f84 JA |
550 | if (f->io_size == -1ULL) |
551 | total_size = -1ULL; | |
552 | else | |
553 | total_size += f->io_size; | |
554 | ||
555 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 556 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 | 557 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
814452bd JA |
558 | if (!td->o.create_on_open) { |
559 | need_extend++; | |
560 | extend_size += (f->io_size + f->file_offset); | |
561 | } else | |
562 | f->real_file_size = f->io_size + f->file_offset; | |
7bb48f84 | 563 | f->flags |= FIO_FILE_EXTEND; |
5ec10eaa | 564 | } |
7bb48f84 | 565 | } |
53cdc686 | 566 | |
2298290e | 567 | if (!td->o.size || td->o.size > total_size) |
7bb48f84 | 568 | td->o.size = total_size; |
21972cde | 569 | |
7bb48f84 JA |
570 | /* |
571 | * See if we need to extend some files | |
572 | */ | |
573 | if (need_extend) { | |
574 | temp_stall_ts = 1; | |
a7ba8c5f SSY |
575 | if (!terse_output) |
576 | log_info("%s: Laying out IO file(s) (%u file(s) /" | |
577 | " %LuMiB)\n", td->o.name, need_extend, | |
578 | extend_size >> 20); | |
7bb48f84 JA |
579 | |
580 | for_each_file(td, f, i) { | |
3baddf24 JA |
581 | unsigned long long old_len, extend_len; |
582 | ||
7bb48f84 JA |
583 | if (!(f->flags & FIO_FILE_EXTEND)) |
584 | continue; | |
585 | ||
409b3417 | 586 | assert(f->filetype == FIO_TYPE_FILE); |
7bb48f84 | 587 | f->flags &= ~FIO_FILE_EXTEND; |
3baddf24 JA |
588 | old_len = f->real_file_size; |
589 | extend_len = f->io_size + f->file_offset - old_len; | |
bcdedd0a | 590 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
591 | err = extend_file(td, f); |
592 | if (err) | |
3baddf24 JA |
593 | break; |
594 | ||
595 | err = __file_invalidate_cache(td, f, old_len, | |
596 | extend_len); | |
597 | close(f->fd); | |
598 | f->fd = -1; | |
599 | if (err) | |
7bb48f84 JA |
600 | break; |
601 | } | |
602 | temp_stall_ts = 0; | |
603 | } | |
604 | ||
605 | if (err) | |
606 | return err; | |
607 | ||
608 | if (!td->o.zone_size) | |
609 | td->o.zone_size = td->o.size; | |
610 | ||
ea966f81 JA |
611 | /* |
612 | * iolog already set the total io size, if we read back | |
613 | * stored entries. | |
614 | */ | |
615 | if (!td->o.read_iolog_file) | |
616 | td->total_io_size = td->o.size * td->o.loops; | |
7bb48f84 | 617 | return 0; |
bcdedd0a YHJT |
618 | err_offset: |
619 | log_err("%s: you need to specify valid offset=\n", td->o.name); | |
620 | return 1; | |
53cdc686 JA |
621 | } |
622 | ||
afad68f7 ZY |
623 | int pre_read_files(struct thread_data *td) |
624 | { | |
625 | struct fio_file *f; | |
626 | unsigned int i; | |
627 | ||
628 | dprint(FD_FILE, "pre_read files\n"); | |
629 | ||
630 | for_each_file(td, f, i) { | |
631 | pre_read_file(td, f); | |
632 | } | |
633 | ||
634 | return 1; | |
635 | } | |
636 | ||
68727076 JA |
637 | int init_random_map(struct thread_data *td) |
638 | { | |
509eab12 | 639 | unsigned long long blocks, num_maps; |
68727076 JA |
640 | struct fio_file *f; |
641 | unsigned int i; | |
642 | ||
de8dd119 | 643 | if (td->o.norandommap || !td_random(td)) |
68727076 JA |
644 | return 0; |
645 | ||
646 | for_each_file(td, f, i) { | |
5ec10eaa JA |
647 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / |
648 | (unsigned long long) td->o.rw_min_bs; | |
649 | num_maps = (blocks + BLOCKS_PER_MAP - 1) / | |
650 | (unsigned long long) BLOCKS_PER_MAP; | |
de605666 | 651 | f->file_map = smalloc(num_maps * sizeof(int)); |
303032ae JA |
652 | if (f->file_map) { |
653 | f->num_maps = num_maps; | |
654 | continue; | |
68727076 | 655 | } |
2b386d25 | 656 | if (!td->o.softrandommap) { |
5ec10eaa JA |
657 | log_err("fio: failed allocating random map. If running" |
658 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
659 | " option or set 'softrandommap'. Or give" |
660 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
661 | return 1; |
662 | } | |
303032ae JA |
663 | |
664 | log_info("fio: file %s failed allocating random map. Running " | |
665 | "job without.\n", f->file_name); | |
666 | f->num_maps = 0; | |
68727076 JA |
667 | } |
668 | ||
669 | return 0; | |
670 | } | |
671 | ||
53cdc686 JA |
672 | void close_files(struct thread_data *td) |
673 | { | |
0ab8db89 | 674 | struct fio_file *f; |
af52b345 | 675 | unsigned int i; |
53cdc686 | 676 | |
24ffd2c2 JA |
677 | for_each_file(td, f, i) |
678 | td_io_close_file(td, f); | |
679 | } | |
680 | ||
681 | void close_and_free_files(struct thread_data *td) | |
682 | { | |
683 | struct fio_file *f; | |
684 | unsigned int i; | |
685 | ||
ee56ad50 JA |
686 | dprint(FD_FILE, "close files\n"); |
687 | ||
0ab8db89 | 688 | for_each_file(td, f, i) { |
ffdfabd4 JA |
689 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
690 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
132ad46d | 691 | unlink(f->file_name); |
ffdfabd4 | 692 | } |
bdb4e2e9 | 693 | |
b5af8293 | 694 | td_io_close_file(td, f); |
b9fbcf21 | 695 | remove_file_hash(f); |
b3dc7f07 | 696 | |
f17c4392 | 697 | sfree(f->file_name); |
fa1da865 JA |
698 | f->file_name = NULL; |
699 | ||
c343981b | 700 | if (f->file_map) { |
f17c4392 | 701 | sfree(f->file_map); |
c343981b JA |
702 | f->file_map = NULL; |
703 | } | |
78d99e6a | 704 | sfree(f); |
53cdc686 | 705 | } |
b4a6a59a | 706 | |
2dc1bbeb | 707 | td->o.filename = NULL; |
cade3ef4 | 708 | free(td->files); |
9efef3c4 | 709 | td->files_index = 0; |
b4a6a59a | 710 | td->files = NULL; |
2dc1bbeb | 711 | td->o.nr_files = 0; |
53cdc686 | 712 | } |
af52b345 | 713 | |
e3bab463 | 714 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
715 | { |
716 | struct stat sb; | |
717 | ||
66159828 JA |
718 | if (!strcmp(f->file_name, "-")) |
719 | f->filetype = FIO_TYPE_PIPE; | |
720 | else | |
721 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 722 | |
e3bab463 | 723 | if (!lstat(f->file_name, &sb)) { |
af52b345 JA |
724 | if (S_ISBLK(sb.st_mode)) |
725 | f->filetype = FIO_TYPE_BD; | |
726 | else if (S_ISCHR(sb.st_mode)) | |
727 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
728 | else if (S_ISFIFO(sb.st_mode)) |
729 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
730 | } |
731 | } | |
732 | ||
f29b25a3 | 733 | int add_file(struct thread_data *td, const char *fname) |
af52b345 | 734 | { |
7b4e4fe5 | 735 | int cur_files = td->files_index; |
bd0ee748 | 736 | char file_name[PATH_MAX]; |
af52b345 | 737 | struct fio_file *f; |
bd0ee748 | 738 | int len = 0; |
af52b345 | 739 | |
ee56ad50 JA |
740 | dprint(FD_FILE, "add file %s\n", fname); |
741 | ||
f17c4392 | 742 | f = smalloc(sizeof(*f)); |
c48c0be7 JA |
743 | if (!f) { |
744 | log_err("fio: smalloc OOM\n"); | |
745 | assert(0); | |
746 | } | |
747 | ||
af52b345 | 748 | f->fd = -1; |
bd0ee748 | 749 | |
fc99bc0d | 750 | if (td->files_size <= td->files_index) { |
4b341fca | 751 | int new_size = td->o.nr_files + 1; |
126d65c6 | 752 | |
fc99bc0d JA |
753 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
754 | ||
755 | td->files = realloc(td->files, new_size * sizeof(f)); | |
fc99bc0d JA |
756 | td->files_size = new_size; |
757 | } | |
8bb7679e | 758 | td->files[cur_files] = f; |
126d65c6 | 759 | |
07eb79df JA |
760 | /* |
761 | * init function, io engine may not be loaded yet | |
762 | */ | |
763 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
764 | f->real_file_size = -1ULL; | |
765 | ||
bd0ee748 JA |
766 | if (td->o.directory) |
767 | len = sprintf(file_name, "%s/", td->o.directory); | |
768 | ||
769 | sprintf(file_name + len, "%s", fname); | |
f17c4392 | 770 | f->file_name = smalloc_strdup(file_name); |
c48c0be7 JA |
771 | if (!f->file_name) { |
772 | log_err("fio: smalloc OOM\n"); | |
773 | assert(0); | |
774 | } | |
775 | ||
e3bab463 | 776 | get_file_type(f); |
af52b345 | 777 | |
4d4e80f2 JA |
778 | switch (td->o.file_lock_mode) { |
779 | case FILE_LOCK_NONE: | |
780 | break; | |
781 | case FILE_LOCK_READWRITE: | |
782 | f->lock = fio_mutex_rw_init(); | |
783 | break; | |
784 | case FILE_LOCK_EXCLUSIVE: | |
785 | f->lock = fio_mutex_init(1); | |
786 | break; | |
787 | default: | |
788 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
789 | assert(0); | |
790 | } | |
29c1349f | 791 | |
7b4e4fe5 | 792 | td->files_index++; |
1549441c JA |
793 | if (f->filetype == FIO_TYPE_FILE) |
794 | td->nr_normal_files++; | |
f29b25a3 | 795 | |
5ec10eaa JA |
796 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
797 | cur_files); | |
9efef3c4 | 798 | |
f29b25a3 | 799 | return cur_files; |
af52b345 | 800 | } |
0ad920e7 JA |
801 | |
802 | void get_file(struct fio_file *f) | |
803 | { | |
8172fe97 | 804 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
97af62ce | 805 | assert(f->flags & FIO_FILE_OPEN); |
0ad920e7 JA |
806 | f->references++; |
807 | } | |
808 | ||
6977bcd0 | 809 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 810 | { |
98e1ac4e | 811 | int f_ret = 0, ret = 0; |
6977bcd0 | 812 | |
8172fe97 | 813 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 814 | |
0ad920e7 | 815 | if (!(f->flags & FIO_FILE_OPEN)) |
6977bcd0 | 816 | return 0; |
0ad920e7 JA |
817 | |
818 | assert(f->references); | |
819 | if (--f->references) | |
6977bcd0 | 820 | return 0; |
0ad920e7 | 821 | |
d424d4dd | 822 | if (should_fsync(td) && td->o.fsync_on_close) |
98e1ac4e | 823 | f_ret = fsync(f->fd); |
ebb1415f | 824 | |
0ad920e7 | 825 | if (td->io_ops->close_file) |
6977bcd0 | 826 | ret = td->io_ops->close_file(td, f); |
1020a139 | 827 | |
98e1ac4e | 828 | if (!ret) |
a5fb461f | 829 | ret = f_ret; |
98e1ac4e | 830 | |
0ad920e7 JA |
831 | td->nr_open_files--; |
832 | f->flags &= ~FIO_FILE_OPEN; | |
6977bcd0 | 833 | return ret; |
0ad920e7 | 834 | } |
bbf6b540 | 835 | |
4d4e80f2 | 836 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 837 | { |
4d4e80f2 JA |
838 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
839 | return; | |
29c1349f | 840 | |
4d4e80f2 JA |
841 | if (f->lock_owner == td && f->lock_batch--) |
842 | return; | |
843 | ||
844 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
845 | if (ddir == DDIR_READ) | |
846 | fio_mutex_down_read(f->lock); | |
847 | else | |
848 | fio_mutex_down_write(f->lock); | |
849 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
850 | fio_mutex_down(f->lock); | |
851 | ||
852 | f->lock_owner = td; | |
853 | f->lock_batch = td->o.lockfile_batch; | |
854 | f->lock_ddir = ddir; | |
b2bd2bd9 JA |
855 | } |
856 | ||
4d4e80f2 | 857 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 858 | { |
4d4e80f2 JA |
859 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
860 | return; | |
861 | if (f->lock_batch) | |
862 | return; | |
863 | ||
864 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
865 | const int is_read = f->lock_ddir == DDIR_READ; | |
866 | int val = fio_mutex_getval(f->lock); | |
29c1349f | 867 | |
4d4e80f2 JA |
868 | if ((is_read && val == 1) || (!is_read && val == -1)) |
869 | f->lock_owner = NULL; | |
29c1349f | 870 | |
4d4e80f2 JA |
871 | if (is_read) |
872 | fio_mutex_up_read(f->lock); | |
873 | else | |
874 | fio_mutex_up_write(f->lock); | |
875 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) { | |
876 | int val = fio_mutex_getval(f->lock); | |
877 | ||
878 | if (val == 0) | |
879 | f->lock_owner = NULL; | |
880 | ||
881 | fio_mutex_up(f->lock); | |
29c1349f | 882 | } |
b2bd2bd9 JA |
883 | } |
884 | ||
4d4e80f2 JA |
885 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
886 | { | |
887 | if (f->lock_owner != td) | |
888 | return; | |
889 | ||
890 | f->lock_batch = 0; | |
891 | unlock_file(td, f); | |
892 | } | |
893 | ||
bbf6b540 JA |
894 | static int recurse_dir(struct thread_data *td, const char *dirname) |
895 | { | |
896 | struct dirent *dir; | |
897 | int ret = 0; | |
898 | DIR *D; | |
899 | ||
900 | D = opendir(dirname); | |
901 | if (!D) { | |
0ddb270c JA |
902 | char buf[FIO_VERROR_SIZE]; |
903 | ||
904 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
905 | td_verror(td, errno, buf); | |
bbf6b540 JA |
906 | return 1; |
907 | } | |
908 | ||
909 | while ((dir = readdir(D)) != NULL) { | |
910 | char full_path[PATH_MAX]; | |
911 | struct stat sb; | |
912 | ||
e85b2b83 JA |
913 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
914 | continue; | |
96d32d51 | 915 | |
bbf6b540 JA |
916 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
917 | ||
918 | if (lstat(full_path, &sb) == -1) { | |
919 | if (errno != ENOENT) { | |
920 | td_verror(td, errno, "stat"); | |
921 | return 1; | |
922 | } | |
923 | } | |
924 | ||
925 | if (S_ISREG(sb.st_mode)) { | |
926 | add_file(td, full_path); | |
2dc1bbeb | 927 | td->o.nr_files++; |
bbf6b540 JA |
928 | continue; |
929 | } | |
0ddb270c JA |
930 | if (!S_ISDIR(sb.st_mode)) |
931 | continue; | |
bbf6b540 | 932 | |
5ec10eaa JA |
933 | ret = recurse_dir(td, full_path); |
934 | if (ret) | |
bbf6b540 JA |
935 | break; |
936 | } | |
937 | ||
938 | closedir(D); | |
939 | return ret; | |
940 | } | |
941 | ||
942 | int add_dir_files(struct thread_data *td, const char *path) | |
943 | { | |
0ddb270c JA |
944 | int ret = recurse_dir(td, path); |
945 | ||
946 | if (!ret) | |
947 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
948 | ||
949 | return ret; | |
bbf6b540 | 950 | } |
cade3ef4 JA |
951 | |
952 | void dup_files(struct thread_data *td, struct thread_data *org) | |
953 | { | |
954 | struct fio_file *f; | |
955 | unsigned int i; | |
9efef3c4 JA |
956 | |
957 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
958 | |
959 | if (!org->files) | |
960 | return; | |
961 | ||
9efef3c4 | 962 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 963 | |
9efef3c4 | 964 | for_each_file(org, f, i) { |
b0fe421a JA |
965 | struct fio_file *__f; |
966 | ||
f17c4392 | 967 | __f = smalloc(sizeof(*__f)); |
c48c0be7 JA |
968 | if (!__f) { |
969 | log_err("fio: smalloc OOM\n"); | |
970 | assert(0); | |
971 | } | |
972 | ||
bc3456fa | 973 | if (f->file_name) { |
f17c4392 | 974 | __f->file_name = smalloc_strdup(f->file_name); |
c48c0be7 JA |
975 | if (!__f->file_name) { |
976 | log_err("fio: smalloc OOM\n"); | |
977 | assert(0); | |
978 | } | |
979 | ||
bc3456fa AC |
980 | __f->filetype = f->filetype; |
981 | } | |
b0fe421a JA |
982 | |
983 | td->files[i] = __f; | |
cade3ef4 JA |
984 | } |
985 | } | |
f29b25a3 JA |
986 | |
987 | /* | |
988 | * Returns the index that matches the filename, or -1 if not there | |
989 | */ | |
990 | int get_fileno(struct thread_data *td, const char *fname) | |
991 | { | |
992 | struct fio_file *f; | |
993 | unsigned int i; | |
994 | ||
995 | for_each_file(td, f, i) | |
996 | if (!strcmp(f->file_name, fname)) | |
997 | return i; | |
998 | ||
999 | return -1; | |
1000 | } | |
1001 | ||
1002 | /* | |
1003 | * For log usage, where we add/open/close files automatically | |
1004 | */ | |
1005 | void free_release_files(struct thread_data *td) | |
1006 | { | |
1007 | close_files(td); | |
1008 | td->files_index = 0; | |
1009 | td->nr_normal_files = 0; | |
1010 | } |