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 { | |
b0f65863 | 157 | printf("r=%d\n", r); |
afad68f7 ZY |
158 | td_verror(td, EIO, "pre_read"); |
159 | break; | |
160 | } | |
161 | } | |
162 | ||
b0f65863 JA |
163 | td_set_runstate(td, old_runstate); |
164 | ||
165 | if (did_open) | |
166 | td->io_ops->close_file(td, f); | |
afad68f7 ZY |
167 | free(b); |
168 | return 0; | |
169 | } | |
170 | ||
7bb48f84 | 171 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 172 | { |
dc873b6f | 173 | unsigned long long ret, sized; |
9c60ce64 JA |
174 | long r; |
175 | ||
9c60ce64 | 176 | r = os_random_long(&td->file_size_state); |
dc873b6f JA |
177 | sized = td->o.file_size_high - td->o.file_size_low; |
178 | ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0))); | |
5ec10eaa | 179 | ret += td->o.file_size_low; |
2dc1bbeb | 180 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
181 | return ret; |
182 | } | |
183 | ||
53cdc686 JA |
184 | static int file_size(struct thread_data *td, struct fio_file *f) |
185 | { | |
186 | struct stat st; | |
187 | ||
df9c26b1 | 188 | if (stat(f->file_name, &st) == -1) { |
7bb48f84 JA |
189 | td_verror(td, errno, "fstat"); |
190 | return 1; | |
191 | } | |
53cdc686 | 192 | |
7bb48f84 | 193 | f->real_file_size = st.st_size; |
53cdc686 JA |
194 | return 0; |
195 | } | |
196 | ||
197 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
198 | { | |
199 | unsigned long long bytes; | |
200 | int r; | |
201 | ||
df9c26b1 JA |
202 | if (td->io_ops->open_file(td, f)) { |
203 | log_err("fio: failed opening blockdev %s for size check\n", | |
204 | f->file_name); | |
205 | return 1; | |
206 | } | |
207 | ||
53cdc686 JA |
208 | r = blockdev_size(f->fd, &bytes); |
209 | if (r) { | |
e1161c32 | 210 | td_verror(td, r, "blockdev_size"); |
df9c26b1 | 211 | goto err; |
53cdc686 JA |
212 | } |
213 | ||
7ab077ab JA |
214 | if (!bytes) { |
215 | log_err("%s: zero sized block device?\n", f->file_name); | |
df9c26b1 | 216 | goto err; |
7ab077ab JA |
217 | } |
218 | ||
53cdc686 | 219 | f->real_file_size = bytes; |
53cdc686 | 220 | return 0; |
df9c26b1 JA |
221 | err: |
222 | td->io_ops->close_file(td, f); | |
223 | return 1; | |
53cdc686 JA |
224 | } |
225 | ||
226 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
227 | { | |
228 | int ret = 0; | |
229 | ||
409b3417 JA |
230 | if (f->flags & FIO_SIZE_KNOWN) |
231 | return 0; | |
232 | ||
7bb48f84 JA |
233 | if (f->filetype == FIO_TYPE_FILE) |
234 | ret = file_size(td, f); | |
235 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
236 | ret = bdev_size(td, f); |
237 | else | |
238 | f->real_file_size = -1; | |
239 | ||
240 | if (ret) | |
241 | return ret; | |
242 | ||
243 | if (f->file_offset > f->real_file_size) { | |
5ec10eaa JA |
244 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, |
245 | f->file_offset, f->real_file_size); | |
53cdc686 JA |
246 | return 1; |
247 | } | |
248 | ||
409b3417 | 249 | f->flags |= FIO_SIZE_KNOWN; |
53cdc686 JA |
250 | return 0; |
251 | } | |
252 | ||
3baddf24 JA |
253 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
254 | unsigned long long off, | |
255 | unsigned long long len) | |
e5b401d4 JA |
256 | { |
257 | int ret = 0; | |
258 | ||
3baddf24 JA |
259 | if (len == -1ULL) |
260 | len = f->io_size; | |
261 | if (off == -1ULL) | |
262 | off = f->file_offset; | |
ee56ad50 | 263 | |
3baddf24 JA |
264 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
265 | len); | |
b5af8293 | 266 | |
e5b401d4 JA |
267 | /* |
268 | * FIXME: add blockdev flushing too | |
269 | */ | |
b5af8293 | 270 | if (f->mmap) |
3baddf24 | 271 | ret = madvise(f->mmap, len, MADV_DONTNEED); |
5ec10eaa | 272 | else if (f->filetype == FIO_TYPE_FILE) { |
3baddf24 | 273 | ret = fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
5ec10eaa | 274 | } else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 275 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 | 276 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 277 | if (!root_warn) { |
5ec10eaa JA |
278 | log_err("fio: only root may flush block " |
279 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
280 | root_warn = 1; |
281 | } | |
7e0e25c9 JA |
282 | ret = 0; |
283 | } | |
b5605e9d | 284 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
285 | ret = 0; |
286 | ||
287 | if (ret < 0) { | |
e1161c32 | 288 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 | 289 | return 1; |
3baddf24 JA |
290 | } else if (ret > 0) { |
291 | td_verror(td, ret, "invalidate_cache"); | |
292 | return 1; | |
e5b401d4 JA |
293 | } |
294 | ||
ad2da605 | 295 | return ret; |
3baddf24 JA |
296 | |
297 | } | |
298 | ||
299 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
300 | { | |
a5fb461f JA |
301 | if (!(f->flags & FIO_FILE_OPEN)) |
302 | return 0; | |
303 | ||
3baddf24 | 304 | return __file_invalidate_cache(td, f, -1, -1); |
e5b401d4 JA |
305 | } |
306 | ||
6977bcd0 | 307 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 308 | { |
6977bcd0 JA |
309 | int ret = 0; |
310 | ||
ee56ad50 | 311 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
312 | |
313 | remove_file_hash(f); | |
314 | ||
6977bcd0 JA |
315 | if (close(f->fd) < 0) |
316 | ret = errno; | |
317 | ||
b5af8293 | 318 | f->fd = -1; |
6977bcd0 | 319 | return ret; |
53cdc686 JA |
320 | } |
321 | ||
4d4e80f2 | 322 | static int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 323 | { |
29c1349f | 324 | struct fio_file *__f; |
4d4e80f2 JA |
325 | int from_hash; |
326 | ||
327 | __f = lookup_file_hash(f->file_name); | |
328 | if (__f) { | |
9efef3c4 | 329 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
330 | /* |
331 | * racy, need the __f->lock locked | |
332 | */ | |
333 | f->lock = __f->lock; | |
334 | f->lock_owner = __f->lock_owner; | |
335 | f->lock_batch = __f->lock_batch; | |
336 | f->lock_ddir = __f->lock_ddir; | |
4d4e80f2 JA |
337 | from_hash = 1; |
338 | } else { | |
9efef3c4 | 339 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
340 | from_hash = 0; |
341 | } | |
342 | ||
e8670ef8 | 343 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
344 | return from_hash; |
345 | } | |
346 | ||
347 | int generic_open_file(struct thread_data *td, struct fio_file *f) | |
348 | { | |
66159828 | 349 | int is_std = 0; |
53cdc686 | 350 | int flags = 0; |
29c1349f | 351 | int from_hash = 0; |
53cdc686 | 352 | |
ee56ad50 JA |
353 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
354 | ||
66159828 JA |
355 | if (!strcmp(f->file_name, "-")) { |
356 | if (td_rw(td)) { | |
357 | log_err("fio: can't read/write to stdin/out\n"); | |
358 | return 1; | |
359 | } | |
360 | is_std = 1; | |
ce98fa66 JA |
361 | |
362 | /* | |
363 | * move output logging to stderr, if we are writing to stdout | |
364 | */ | |
365 | if (td_write(td)) | |
366 | f_out = stderr; | |
66159828 JA |
367 | } |
368 | ||
2dc1bbeb | 369 | if (td->o.odirect) |
2fd233b7 | 370 | flags |= OS_O_DIRECT; |
2dc1bbeb | 371 | if (td->o.sync_io) |
2fd233b7 | 372 | flags |= O_SYNC; |
ad92396c | 373 | if (f->filetype != FIO_TYPE_FILE) |
5921e80c | 374 | flags |= FIO_O_NOATIME; |
814452bd JA |
375 | if (td->o.create_on_open) |
376 | flags |= O_CREAT; | |
53cdc686 | 377 | |
056f3459 | 378 | open_again: |
660a1cb5 | 379 | if (td_write(td)) { |
17308158 JA |
380 | if (!read_only) |
381 | flags |= O_RDWR; | |
53cdc686 | 382 | |
af52b345 | 383 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 384 | flags |= O_CREAT; |
2fd233b7 | 385 | |
66159828 JA |
386 | if (is_std) |
387 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
388 | else |
389 | from_hash = file_lookup_open(f, flags); | |
2fd233b7 | 390 | } else { |
4241ea8f | 391 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
392 | flags |= O_RDWR; |
393 | else | |
394 | flags |= O_RDONLY; | |
395 | ||
66159828 JA |
396 | if (is_std) |
397 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
398 | else |
399 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
400 | } |
401 | ||
402 | if (f->fd == -1) { | |
e4e33258 | 403 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
404 | int __e = errno; |
405 | ||
5921e80c JA |
406 | if (errno == EPERM && (flags & FIO_O_NOATIME)) { |
407 | flags &= ~FIO_O_NOATIME; | |
056f3459 AC |
408 | goto open_again; |
409 | } | |
410 | ||
e8670ef8 | 411 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
e4e33258 JA |
412 | |
413 | td_verror(td, __e, buf); | |
53cdc686 JA |
414 | } |
415 | ||
29c1349f JA |
416 | if (!from_hash && f->fd != -1) { |
417 | if (add_file_hash(f)) { | |
418 | int ret; | |
419 | ||
420 | /* | |
421 | * OK to ignore, we haven't done anything with it | |
422 | */ | |
423 | ret = generic_close_file(td, f); | |
424 | goto open_again; | |
425 | } | |
426 | } | |
4906e0b5 | 427 | |
53cdc686 | 428 | return 0; |
b5af8293 JA |
429 | } |
430 | ||
df9c26b1 | 431 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
21972cde | 432 | { |
df9c26b1 | 433 | return get_file_size(td, f); |
21972cde JA |
434 | } |
435 | ||
7bb48f84 JA |
436 | /* |
437 | * open/close all files, so that ->real_file_size gets set | |
438 | */ | |
bab3fd58 | 439 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
440 | { |
441 | struct fio_file *f; | |
442 | unsigned int i; | |
bab3fd58 | 443 | int err = 0; |
7bb48f84 JA |
444 | |
445 | for_each_file(td, f, i) { | |
5ec10eaa JA |
446 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
447 | f->file_name); | |
9efef3c4 | 448 | |
99a47c69 | 449 | if (td_io_get_file_size(td, f)) { |
40b44f4a JA |
450 | if (td->error != ENOENT) { |
451 | log_err("%s\n", td->verror); | |
452 | err = 1; | |
453 | } | |
541d66d7 | 454 | clear_error(td); |
07eb79df | 455 | } |
409b3417 JA |
456 | |
457 | if (f->real_file_size == -1ULL && td->o.size) | |
458 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 459 | } |
bab3fd58 JA |
460 | |
461 | return err; | |
7bb48f84 JA |
462 | } |
463 | ||
464 | /* | |
465 | * Open the files and setup files sizes, creating files if necessary. | |
466 | */ | |
53cdc686 JA |
467 | int setup_files(struct thread_data *td) |
468 | { | |
7bb48f84 | 469 | unsigned long long total_size, extend_size; |
53cdc686 | 470 | struct fio_file *f; |
af52b345 | 471 | unsigned int i; |
000b0803 | 472 | int err = 0, need_extend; |
53cdc686 | 473 | |
ee56ad50 JA |
474 | dprint(FD_FILE, "setup files\n"); |
475 | ||
691c8fb0 JA |
476 | if (td->o.read_iolog_file) |
477 | return 0; | |
478 | ||
53cdc686 JA |
479 | /* |
480 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
481 | * opening the files and setting f->real_file_size to indicate |
482 | * the valid range for that file. | |
53cdc686 JA |
483 | */ |
484 | if (td->io_ops->setup) | |
7bb48f84 JA |
485 | err = td->io_ops->setup(td); |
486 | else | |
bab3fd58 | 487 | err = get_file_sizes(td); |
53cdc686 | 488 | |
f1027063 JA |
489 | if (err) |
490 | return err; | |
491 | ||
0a7eb121 | 492 | /* |
7bb48f84 JA |
493 | * check sizes. if the files/devices do not exist and the size |
494 | * isn't passed to fio, abort. | |
0a7eb121 | 495 | */ |
7bb48f84 JA |
496 | total_size = 0; |
497 | for_each_file(td, f, i) { | |
498 | if (f->real_file_size == -1ULL) | |
499 | total_size = -1ULL; | |
500 | else | |
501 | total_size += f->real_file_size; | |
502 | } | |
0a7eb121 | 503 | |
7bb48f84 JA |
504 | /* |
505 | * device/file sizes are zero and no size given, punt | |
506 | */ | |
1f809d15 | 507 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
aa31f1f1 | 508 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
7bb48f84 | 509 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 510 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
511 | return 1; |
512 | } | |
513 | ||
7bb48f84 JA |
514 | /* |
515 | * now file sizes are known, so we can set ->io_size. if size= is | |
516 | * not given, ->io_size is just equal to ->real_file_size. if size | |
517 | * is given, ->io_size is size / nr_files. | |
518 | */ | |
519 | extend_size = total_size = 0; | |
520 | need_extend = 0; | |
521 | for_each_file(td, f, i) { | |
bcdedd0a YHJT |
522 | f->file_offset = td->o.start_offset; |
523 | ||
7bb48f84 JA |
524 | if (!td->o.file_size_low) { |
525 | /* | |
526 | * no file size range given, file size is equal to | |
527 | * total size divided by number of files. if that is | |
528 | * zero, set it to the real file size. | |
529 | */ | |
530 | f->io_size = td->o.size / td->o.nr_files; | |
65bdb10a | 531 | if (!f->io_size) |
273f8c91 | 532 | f->io_size = f->real_file_size - f->file_offset; |
7bb48f84 JA |
533 | } else if (f->real_file_size < td->o.file_size_low || |
534 | f->real_file_size > td->o.file_size_high) { | |
5ec10eaa | 535 | if (f->file_offset > td->o.file_size_low) |
bcdedd0a | 536 | goto err_offset; |
7bb48f84 JA |
537 | /* |
538 | * file size given. if it's fixed, use that. if it's a | |
539 | * range, generate a random size in-between. | |
540 | */ | |
5ec10eaa JA |
541 | if (td->o.file_size_low == td->o.file_size_high) { |
542 | f->io_size = td->o.file_size_low | |
543 | - f->file_offset; | |
544 | } else { | |
545 | f->io_size = get_rand_file_size(td) | |
546 | - f->file_offset; | |
547 | } | |
65bdb10a | 548 | } else |
bcdedd0a | 549 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 550 | |
7bb48f84 JA |
551 | if (f->io_size == -1ULL) |
552 | total_size = -1ULL; | |
553 | else | |
554 | total_size += f->io_size; | |
555 | ||
556 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 557 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 | 558 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
814452bd JA |
559 | if (!td->o.create_on_open) { |
560 | need_extend++; | |
561 | extend_size += (f->io_size + f->file_offset); | |
562 | } else | |
563 | f->real_file_size = f->io_size + f->file_offset; | |
7bb48f84 | 564 | f->flags |= FIO_FILE_EXTEND; |
5ec10eaa | 565 | } |
7bb48f84 | 566 | } |
53cdc686 | 567 | |
2298290e | 568 | if (!td->o.size || td->o.size > total_size) |
7bb48f84 | 569 | td->o.size = total_size; |
21972cde | 570 | |
7bb48f84 JA |
571 | /* |
572 | * See if we need to extend some files | |
573 | */ | |
574 | if (need_extend) { | |
575 | temp_stall_ts = 1; | |
a7ba8c5f SSY |
576 | if (!terse_output) |
577 | log_info("%s: Laying out IO file(s) (%u file(s) /" | |
578 | " %LuMiB)\n", td->o.name, need_extend, | |
579 | extend_size >> 20); | |
7bb48f84 JA |
580 | |
581 | for_each_file(td, f, i) { | |
3baddf24 JA |
582 | unsigned long long old_len, extend_len; |
583 | ||
7bb48f84 JA |
584 | if (!(f->flags & FIO_FILE_EXTEND)) |
585 | continue; | |
586 | ||
409b3417 | 587 | assert(f->filetype == FIO_TYPE_FILE); |
7bb48f84 | 588 | f->flags &= ~FIO_FILE_EXTEND; |
3baddf24 JA |
589 | old_len = f->real_file_size; |
590 | extend_len = f->io_size + f->file_offset - old_len; | |
bcdedd0a | 591 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
592 | err = extend_file(td, f); |
593 | if (err) | |
3baddf24 JA |
594 | break; |
595 | ||
596 | err = __file_invalidate_cache(td, f, old_len, | |
597 | extend_len); | |
598 | close(f->fd); | |
599 | f->fd = -1; | |
600 | if (err) | |
7bb48f84 JA |
601 | break; |
602 | } | |
603 | temp_stall_ts = 0; | |
604 | } | |
605 | ||
606 | if (err) | |
607 | return err; | |
608 | ||
609 | if (!td->o.zone_size) | |
610 | td->o.zone_size = td->o.size; | |
611 | ||
ea966f81 JA |
612 | /* |
613 | * iolog already set the total io size, if we read back | |
614 | * stored entries. | |
615 | */ | |
616 | if (!td->o.read_iolog_file) | |
617 | td->total_io_size = td->o.size * td->o.loops; | |
7bb48f84 | 618 | return 0; |
bcdedd0a YHJT |
619 | err_offset: |
620 | log_err("%s: you need to specify valid offset=\n", td->o.name); | |
621 | return 1; | |
53cdc686 JA |
622 | } |
623 | ||
afad68f7 ZY |
624 | int pre_read_files(struct thread_data *td) |
625 | { | |
626 | struct fio_file *f; | |
627 | unsigned int i; | |
628 | ||
629 | dprint(FD_FILE, "pre_read files\n"); | |
630 | ||
631 | for_each_file(td, f, i) { | |
632 | pre_read_file(td, f); | |
633 | } | |
634 | ||
635 | return 1; | |
636 | } | |
637 | ||
68727076 JA |
638 | int init_random_map(struct thread_data *td) |
639 | { | |
509eab12 | 640 | unsigned long long blocks, num_maps; |
68727076 JA |
641 | struct fio_file *f; |
642 | unsigned int i; | |
643 | ||
de8dd119 | 644 | if (td->o.norandommap || !td_random(td)) |
68727076 JA |
645 | return 0; |
646 | ||
647 | for_each_file(td, f, i) { | |
5ec10eaa JA |
648 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / |
649 | (unsigned long long) td->o.rw_min_bs; | |
650 | num_maps = (blocks + BLOCKS_PER_MAP - 1) / | |
651 | (unsigned long long) BLOCKS_PER_MAP; | |
de605666 | 652 | f->file_map = smalloc(num_maps * sizeof(int)); |
303032ae JA |
653 | if (f->file_map) { |
654 | f->num_maps = num_maps; | |
655 | continue; | |
68727076 | 656 | } |
2b386d25 | 657 | if (!td->o.softrandommap) { |
5ec10eaa JA |
658 | log_err("fio: failed allocating random map. If running" |
659 | " a large number of jobs, try the 'norandommap'" | |
2b386d25 JA |
660 | " option or set 'softrandommap'. Or give" |
661 | " a larger --alloc-size to fio.\n"); | |
68727076 JA |
662 | return 1; |
663 | } | |
303032ae JA |
664 | |
665 | log_info("fio: file %s failed allocating random map. Running " | |
666 | "job without.\n", f->file_name); | |
667 | f->num_maps = 0; | |
68727076 JA |
668 | } |
669 | ||
670 | return 0; | |
671 | } | |
672 | ||
53cdc686 JA |
673 | void close_files(struct thread_data *td) |
674 | { | |
0ab8db89 | 675 | struct fio_file *f; |
af52b345 | 676 | unsigned int i; |
53cdc686 | 677 | |
24ffd2c2 JA |
678 | for_each_file(td, f, i) |
679 | td_io_close_file(td, f); | |
680 | } | |
681 | ||
682 | void close_and_free_files(struct thread_data *td) | |
683 | { | |
684 | struct fio_file *f; | |
685 | unsigned int i; | |
686 | ||
ee56ad50 JA |
687 | dprint(FD_FILE, "close files\n"); |
688 | ||
0ab8db89 | 689 | for_each_file(td, f, i) { |
ffdfabd4 JA |
690 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
691 | dprint(FD_FILE, "free unlink %s\n", f->file_name); | |
132ad46d | 692 | unlink(f->file_name); |
ffdfabd4 | 693 | } |
bdb4e2e9 | 694 | |
b5af8293 | 695 | td_io_close_file(td, f); |
b9fbcf21 | 696 | remove_file_hash(f); |
b3dc7f07 | 697 | |
f17c4392 | 698 | sfree(f->file_name); |
fa1da865 JA |
699 | f->file_name = NULL; |
700 | ||
c343981b | 701 | if (f->file_map) { |
f17c4392 | 702 | sfree(f->file_map); |
c343981b JA |
703 | f->file_map = NULL; |
704 | } | |
78d99e6a | 705 | sfree(f); |
53cdc686 | 706 | } |
b4a6a59a | 707 | |
2dc1bbeb | 708 | td->o.filename = NULL; |
cade3ef4 | 709 | free(td->files); |
9efef3c4 | 710 | td->files_index = 0; |
b4a6a59a | 711 | td->files = NULL; |
2dc1bbeb | 712 | td->o.nr_files = 0; |
53cdc686 | 713 | } |
af52b345 | 714 | |
e3bab463 | 715 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
716 | { |
717 | struct stat sb; | |
718 | ||
66159828 JA |
719 | if (!strcmp(f->file_name, "-")) |
720 | f->filetype = FIO_TYPE_PIPE; | |
721 | else | |
722 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 723 | |
e3bab463 | 724 | if (!lstat(f->file_name, &sb)) { |
af52b345 JA |
725 | if (S_ISBLK(sb.st_mode)) |
726 | f->filetype = FIO_TYPE_BD; | |
727 | else if (S_ISCHR(sb.st_mode)) | |
728 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
729 | else if (S_ISFIFO(sb.st_mode)) |
730 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
731 | } |
732 | } | |
733 | ||
f29b25a3 | 734 | int add_file(struct thread_data *td, const char *fname) |
af52b345 | 735 | { |
7b4e4fe5 | 736 | int cur_files = td->files_index; |
bd0ee748 | 737 | char file_name[PATH_MAX]; |
af52b345 | 738 | struct fio_file *f; |
bd0ee748 | 739 | int len = 0; |
af52b345 | 740 | |
ee56ad50 JA |
741 | dprint(FD_FILE, "add file %s\n", fname); |
742 | ||
f17c4392 | 743 | f = smalloc(sizeof(*f)); |
c48c0be7 JA |
744 | if (!f) { |
745 | log_err("fio: smalloc OOM\n"); | |
746 | assert(0); | |
747 | } | |
748 | ||
af52b345 | 749 | f->fd = -1; |
bd0ee748 | 750 | |
fc99bc0d | 751 | if (td->files_size <= td->files_index) { |
4b341fca | 752 | int new_size = td->o.nr_files + 1; |
126d65c6 | 753 | |
fc99bc0d JA |
754 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
755 | ||
756 | td->files = realloc(td->files, new_size * sizeof(f)); | |
fc99bc0d JA |
757 | td->files_size = new_size; |
758 | } | |
8bb7679e | 759 | td->files[cur_files] = f; |
126d65c6 | 760 | |
07eb79df JA |
761 | /* |
762 | * init function, io engine may not be loaded yet | |
763 | */ | |
764 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
765 | f->real_file_size = -1ULL; | |
766 | ||
bd0ee748 JA |
767 | if (td->o.directory) |
768 | len = sprintf(file_name, "%s/", td->o.directory); | |
769 | ||
770 | sprintf(file_name + len, "%s", fname); | |
f17c4392 | 771 | f->file_name = smalloc_strdup(file_name); |
c48c0be7 JA |
772 | if (!f->file_name) { |
773 | log_err("fio: smalloc OOM\n"); | |
774 | assert(0); | |
775 | } | |
776 | ||
e3bab463 | 777 | get_file_type(f); |
af52b345 | 778 | |
4d4e80f2 JA |
779 | switch (td->o.file_lock_mode) { |
780 | case FILE_LOCK_NONE: | |
781 | break; | |
782 | case FILE_LOCK_READWRITE: | |
783 | f->lock = fio_mutex_rw_init(); | |
784 | break; | |
785 | case FILE_LOCK_EXCLUSIVE: | |
786 | f->lock = fio_mutex_init(1); | |
787 | break; | |
788 | default: | |
789 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
790 | assert(0); | |
791 | } | |
29c1349f | 792 | |
7b4e4fe5 | 793 | td->files_index++; |
1549441c JA |
794 | if (f->filetype == FIO_TYPE_FILE) |
795 | td->nr_normal_files++; | |
f29b25a3 | 796 | |
5ec10eaa JA |
797 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
798 | cur_files); | |
9efef3c4 | 799 | |
f29b25a3 | 800 | return cur_files; |
af52b345 | 801 | } |
0ad920e7 JA |
802 | |
803 | void get_file(struct fio_file *f) | |
804 | { | |
8172fe97 | 805 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
97af62ce | 806 | assert(f->flags & FIO_FILE_OPEN); |
0ad920e7 JA |
807 | f->references++; |
808 | } | |
809 | ||
6977bcd0 | 810 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 811 | { |
98e1ac4e | 812 | int f_ret = 0, ret = 0; |
6977bcd0 | 813 | |
8172fe97 | 814 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 815 | |
0ad920e7 | 816 | if (!(f->flags & FIO_FILE_OPEN)) |
6977bcd0 | 817 | return 0; |
0ad920e7 JA |
818 | |
819 | assert(f->references); | |
820 | if (--f->references) | |
6977bcd0 | 821 | return 0; |
0ad920e7 | 822 | |
d424d4dd | 823 | if (should_fsync(td) && td->o.fsync_on_close) |
98e1ac4e | 824 | f_ret = fsync(f->fd); |
ebb1415f | 825 | |
0ad920e7 | 826 | if (td->io_ops->close_file) |
6977bcd0 | 827 | ret = td->io_ops->close_file(td, f); |
1020a139 | 828 | |
98e1ac4e | 829 | if (!ret) |
a5fb461f | 830 | ret = f_ret; |
98e1ac4e | 831 | |
0ad920e7 JA |
832 | td->nr_open_files--; |
833 | f->flags &= ~FIO_FILE_OPEN; | |
6977bcd0 | 834 | return ret; |
0ad920e7 | 835 | } |
bbf6b540 | 836 | |
4d4e80f2 | 837 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 838 | { |
4d4e80f2 JA |
839 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
840 | return; | |
29c1349f | 841 | |
4d4e80f2 JA |
842 | if (f->lock_owner == td && f->lock_batch--) |
843 | return; | |
844 | ||
845 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
846 | if (ddir == DDIR_READ) | |
847 | fio_mutex_down_read(f->lock); | |
848 | else | |
849 | fio_mutex_down_write(f->lock); | |
850 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
851 | fio_mutex_down(f->lock); | |
852 | ||
853 | f->lock_owner = td; | |
854 | f->lock_batch = td->o.lockfile_batch; | |
855 | f->lock_ddir = ddir; | |
b2bd2bd9 JA |
856 | } |
857 | ||
4d4e80f2 | 858 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 859 | { |
4d4e80f2 JA |
860 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
861 | return; | |
862 | if (f->lock_batch) | |
863 | return; | |
864 | ||
865 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
866 | const int is_read = f->lock_ddir == DDIR_READ; | |
867 | int val = fio_mutex_getval(f->lock); | |
29c1349f | 868 | |
4d4e80f2 JA |
869 | if ((is_read && val == 1) || (!is_read && val == -1)) |
870 | f->lock_owner = NULL; | |
29c1349f | 871 | |
4d4e80f2 JA |
872 | if (is_read) |
873 | fio_mutex_up_read(f->lock); | |
874 | else | |
875 | fio_mutex_up_write(f->lock); | |
876 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) { | |
877 | int val = fio_mutex_getval(f->lock); | |
878 | ||
879 | if (val == 0) | |
880 | f->lock_owner = NULL; | |
881 | ||
882 | fio_mutex_up(f->lock); | |
29c1349f | 883 | } |
b2bd2bd9 JA |
884 | } |
885 | ||
4d4e80f2 JA |
886 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
887 | { | |
888 | if (f->lock_owner != td) | |
889 | return; | |
890 | ||
891 | f->lock_batch = 0; | |
892 | unlock_file(td, f); | |
893 | } | |
894 | ||
bbf6b540 JA |
895 | static int recurse_dir(struct thread_data *td, const char *dirname) |
896 | { | |
897 | struct dirent *dir; | |
898 | int ret = 0; | |
899 | DIR *D; | |
900 | ||
901 | D = opendir(dirname); | |
902 | if (!D) { | |
0ddb270c JA |
903 | char buf[FIO_VERROR_SIZE]; |
904 | ||
905 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
906 | td_verror(td, errno, buf); | |
bbf6b540 JA |
907 | return 1; |
908 | } | |
909 | ||
910 | while ((dir = readdir(D)) != NULL) { | |
911 | char full_path[PATH_MAX]; | |
912 | struct stat sb; | |
913 | ||
e85b2b83 JA |
914 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
915 | continue; | |
96d32d51 | 916 | |
bbf6b540 JA |
917 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
918 | ||
919 | if (lstat(full_path, &sb) == -1) { | |
920 | if (errno != ENOENT) { | |
921 | td_verror(td, errno, "stat"); | |
922 | return 1; | |
923 | } | |
924 | } | |
925 | ||
926 | if (S_ISREG(sb.st_mode)) { | |
927 | add_file(td, full_path); | |
2dc1bbeb | 928 | td->o.nr_files++; |
bbf6b540 JA |
929 | continue; |
930 | } | |
0ddb270c JA |
931 | if (!S_ISDIR(sb.st_mode)) |
932 | continue; | |
bbf6b540 | 933 | |
5ec10eaa JA |
934 | ret = recurse_dir(td, full_path); |
935 | if (ret) | |
bbf6b540 JA |
936 | break; |
937 | } | |
938 | ||
939 | closedir(D); | |
940 | return ret; | |
941 | } | |
942 | ||
943 | int add_dir_files(struct thread_data *td, const char *path) | |
944 | { | |
0ddb270c JA |
945 | int ret = recurse_dir(td, path); |
946 | ||
947 | if (!ret) | |
948 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
949 | ||
950 | return ret; | |
bbf6b540 | 951 | } |
cade3ef4 JA |
952 | |
953 | void dup_files(struct thread_data *td, struct thread_data *org) | |
954 | { | |
955 | struct fio_file *f; | |
956 | unsigned int i; | |
9efef3c4 JA |
957 | |
958 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
959 | |
960 | if (!org->files) | |
961 | return; | |
962 | ||
9efef3c4 | 963 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 964 | |
9efef3c4 | 965 | for_each_file(org, f, i) { |
b0fe421a JA |
966 | struct fio_file *__f; |
967 | ||
f17c4392 | 968 | __f = smalloc(sizeof(*__f)); |
c48c0be7 JA |
969 | if (!__f) { |
970 | log_err("fio: smalloc OOM\n"); | |
971 | assert(0); | |
972 | } | |
973 | ||
bc3456fa | 974 | if (f->file_name) { |
f17c4392 | 975 | __f->file_name = smalloc_strdup(f->file_name); |
c48c0be7 JA |
976 | if (!__f->file_name) { |
977 | log_err("fio: smalloc OOM\n"); | |
978 | assert(0); | |
979 | } | |
980 | ||
bc3456fa AC |
981 | __f->filetype = f->filetype; |
982 | } | |
b0fe421a JA |
983 | |
984 | td->files[i] = __f; | |
cade3ef4 JA |
985 | } |
986 | } | |
f29b25a3 JA |
987 | |
988 | /* | |
989 | * Returns the index that matches the filename, or -1 if not there | |
990 | */ | |
991 | int get_fileno(struct thread_data *td, const char *fname) | |
992 | { | |
993 | struct fio_file *f; | |
994 | unsigned int i; | |
995 | ||
996 | for_each_file(td, f, i) | |
997 | if (!strcmp(f->file_name, fname)) | |
998 | return i; | |
999 | ||
1000 | return -1; | |
1001 | } | |
1002 | ||
1003 | /* | |
1004 | * For log usage, where we add/open/close files automatically | |
1005 | */ | |
1006 | void free_release_files(struct thread_data *td) | |
1007 | { | |
1008 | close_files(td); | |
1009 | td->files_index = 0; | |
1010 | td->nr_normal_files = 0; | |
1011 | } |