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