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 | */ | |
36 | if (td_read(td) || (td_write(td) && td->o.overwrite)) | |
37 | new_layout = 1; | |
ea443657 JA |
38 | if (td_write(td) && !td->o.overwrite) |
39 | unlink_file = 1; | |
507a702f | 40 | |
6ae1f57f | 41 | if (unlink_file || new_layout) { |
982016d6 | 42 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
7bb48f84 JA |
43 | td_verror(td, errno, "unlink"); |
44 | return 1; | |
45 | } | |
46 | } | |
47 | ||
507a702f JA |
48 | flags = O_WRONLY | O_CREAT; |
49 | if (new_layout) | |
50 | flags |= O_TRUNC; | |
51 | ||
ee56ad50 | 52 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 53 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 54 | if (f->fd < 0) { |
e1161c32 | 55 | td_verror(td, errno, "open"); |
53cdc686 JA |
56 | return 1; |
57 | } | |
58 | ||
fc74ac1d SL |
59 | if (!new_layout) |
60 | goto done; | |
61 | ||
ee56ad50 JA |
62 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, |
63 | f->real_file_size); | |
7bb48f84 | 64 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
e1161c32 | 65 | td_verror(td, errno, "ftruncate"); |
53cdc686 JA |
66 | goto err; |
67 | } | |
68 | ||
ee56ad50 JA |
69 | dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name, |
70 | f->real_file_size); | |
7bb48f84 | 71 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
e1161c32 | 72 | td_verror(td, errno, "posix_fallocate"); |
40f8298c JA |
73 | goto err; |
74 | } | |
75 | ||
2dc1bbeb JA |
76 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
77 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 78 | |
7bb48f84 | 79 | left = f->real_file_size; |
53cdc686 | 80 | while (left && !td->terminate) { |
2dc1bbeb | 81 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
82 | if (bs > left) |
83 | bs = left; | |
84 | ||
85 | r = write(f->fd, b, bs); | |
86 | ||
87 | if (r == (int) bs) { | |
88 | left -= bs; | |
89 | continue; | |
90 | } else { | |
91 | if (r < 0) | |
e1161c32 | 92 | td_verror(td, errno, "write"); |
53cdc686 | 93 | else |
e1161c32 | 94 | td_verror(td, EIO, "write"); |
53cdc686 JA |
95 | |
96 | break; | |
97 | } | |
98 | } | |
99 | ||
100 | if (td->terminate) | |
101 | unlink(f->file_name); | |
98e1ac4e JA |
102 | else if (td->o.create_fsync) { |
103 | if (fsync(f->fd) < 0) { | |
104 | td_verror(td, errno, "fsync"); | |
105 | goto err; | |
106 | } | |
107 | } | |
53cdc686 JA |
108 | |
109 | free(b); | |
507a702f | 110 | done: |
53cdc686 JA |
111 | return 0; |
112 | err: | |
113 | close(f->fd); | |
114 | f->fd = -1; | |
115 | return 1; | |
116 | } | |
117 | ||
7bb48f84 | 118 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 119 | { |
5ec10eaa | 120 | unsigned long long ret, size_d; |
9c60ce64 JA |
121 | long r; |
122 | ||
9c60ce64 | 123 | r = os_random_long(&td->file_size_state); |
5ec10eaa JA |
124 | size_d = td->o.file_size_high - td->o.file_size_low; |
125 | ret = (unsigned long long) ((double) size_d * (r / (RAND_MAX + 1.0))); | |
126 | ret += td->o.file_size_low; | |
2dc1bbeb | 127 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
128 | return ret; |
129 | } | |
130 | ||
53cdc686 JA |
131 | static int file_size(struct thread_data *td, struct fio_file *f) |
132 | { | |
133 | struct stat st; | |
134 | ||
7bb48f84 JA |
135 | if (fstat(f->fd, &st) == -1) { |
136 | td_verror(td, errno, "fstat"); | |
137 | return 1; | |
138 | } | |
53cdc686 | 139 | |
7bb48f84 | 140 | f->real_file_size = st.st_size; |
53cdc686 JA |
141 | return 0; |
142 | } | |
143 | ||
144 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
145 | { | |
146 | unsigned long long bytes; | |
147 | int r; | |
148 | ||
149 | r = blockdev_size(f->fd, &bytes); | |
150 | if (r) { | |
e1161c32 | 151 | td_verror(td, r, "blockdev_size"); |
53cdc686 JA |
152 | return 1; |
153 | } | |
154 | ||
155 | f->real_file_size = bytes; | |
53cdc686 JA |
156 | return 0; |
157 | } | |
158 | ||
159 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
160 | { | |
161 | int ret = 0; | |
162 | ||
409b3417 JA |
163 | if (f->flags & FIO_SIZE_KNOWN) |
164 | return 0; | |
165 | ||
7bb48f84 JA |
166 | if (f->filetype == FIO_TYPE_FILE) |
167 | ret = file_size(td, f); | |
168 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
169 | ret = bdev_size(td, f); |
170 | else | |
171 | f->real_file_size = -1; | |
172 | ||
173 | if (ret) | |
174 | return ret; | |
175 | ||
176 | if (f->file_offset > f->real_file_size) { | |
5ec10eaa JA |
177 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, |
178 | f->file_offset, f->real_file_size); | |
53cdc686 JA |
179 | return 1; |
180 | } | |
181 | ||
409b3417 | 182 | f->flags |= FIO_SIZE_KNOWN; |
53cdc686 JA |
183 | return 0; |
184 | } | |
185 | ||
3baddf24 JA |
186 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
187 | unsigned long long off, | |
188 | unsigned long long len) | |
e5b401d4 JA |
189 | { |
190 | int ret = 0; | |
191 | ||
3baddf24 JA |
192 | if (len == -1ULL) |
193 | len = f->io_size; | |
194 | if (off == -1ULL) | |
195 | off = f->file_offset; | |
ee56ad50 | 196 | |
3baddf24 JA |
197 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
198 | len); | |
b5af8293 | 199 | |
e5b401d4 JA |
200 | /* |
201 | * FIXME: add blockdev flushing too | |
202 | */ | |
b5af8293 | 203 | if (f->mmap) |
3baddf24 | 204 | ret = madvise(f->mmap, len, MADV_DONTNEED); |
5ec10eaa | 205 | else if (f->filetype == FIO_TYPE_FILE) { |
3baddf24 | 206 | ret = fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
5ec10eaa | 207 | } else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 208 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 | 209 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 | 210 | if (!root_warn) { |
5ec10eaa JA |
211 | log_err("fio: only root may flush block " |
212 | "devices. Cache flush bypassed!\n"); | |
7172cfe8 JA |
213 | root_warn = 1; |
214 | } | |
7e0e25c9 JA |
215 | ret = 0; |
216 | } | |
b5605e9d | 217 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
218 | ret = 0; |
219 | ||
220 | if (ret < 0) { | |
e1161c32 | 221 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 | 222 | return 1; |
3baddf24 JA |
223 | } else if (ret > 0) { |
224 | td_verror(td, ret, "invalidate_cache"); | |
225 | return 1; | |
e5b401d4 JA |
226 | } |
227 | ||
ad2da605 | 228 | return ret; |
3baddf24 JA |
229 | |
230 | } | |
231 | ||
232 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) | |
233 | { | |
234 | return __file_invalidate_cache(td, f, -1, -1); | |
e5b401d4 JA |
235 | } |
236 | ||
6977bcd0 | 237 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 238 | { |
6977bcd0 JA |
239 | int ret = 0; |
240 | ||
ee56ad50 | 241 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
4906e0b5 JA |
242 | |
243 | remove_file_hash(f); | |
244 | ||
6977bcd0 JA |
245 | if (close(f->fd) < 0) |
246 | ret = errno; | |
247 | ||
b5af8293 | 248 | f->fd = -1; |
6977bcd0 | 249 | return ret; |
53cdc686 JA |
250 | } |
251 | ||
4d4e80f2 | 252 | static int file_lookup_open(struct fio_file *f, int flags) |
53cdc686 | 253 | { |
29c1349f | 254 | struct fio_file *__f; |
4d4e80f2 JA |
255 | int from_hash; |
256 | ||
257 | __f = lookup_file_hash(f->file_name); | |
258 | if (__f) { | |
9efef3c4 | 259 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
4d4e80f2 JA |
260 | /* |
261 | * racy, need the __f->lock locked | |
262 | */ | |
263 | f->lock = __f->lock; | |
264 | f->lock_owner = __f->lock_owner; | |
265 | f->lock_batch = __f->lock_batch; | |
266 | f->lock_ddir = __f->lock_ddir; | |
4d4e80f2 JA |
267 | from_hash = 1; |
268 | } else { | |
9efef3c4 | 269 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
4d4e80f2 JA |
270 | from_hash = 0; |
271 | } | |
272 | ||
e8670ef8 | 273 | f->fd = open(f->file_name, flags, 0600); |
4d4e80f2 JA |
274 | return from_hash; |
275 | } | |
276 | ||
277 | int generic_open_file(struct thread_data *td, struct fio_file *f) | |
278 | { | |
66159828 | 279 | int is_std = 0; |
53cdc686 | 280 | int flags = 0; |
29c1349f | 281 | int from_hash = 0; |
53cdc686 | 282 | |
ee56ad50 JA |
283 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
284 | ||
66159828 JA |
285 | if (!strcmp(f->file_name, "-")) { |
286 | if (td_rw(td)) { | |
287 | log_err("fio: can't read/write to stdin/out\n"); | |
288 | return 1; | |
289 | } | |
290 | is_std = 1; | |
ce98fa66 JA |
291 | |
292 | /* | |
293 | * move output logging to stderr, if we are writing to stdout | |
294 | */ | |
295 | if (td_write(td)) | |
296 | f_out = stderr; | |
66159828 JA |
297 | } |
298 | ||
2dc1bbeb | 299 | if (td->o.odirect) |
2fd233b7 | 300 | flags |= OS_O_DIRECT; |
2dc1bbeb | 301 | if (td->o.sync_io) |
2fd233b7 | 302 | flags |= O_SYNC; |
ad92396c JA |
303 | if (f->filetype != FIO_TYPE_FILE) |
304 | flags |= O_NOATIME; | |
53cdc686 | 305 | |
056f3459 | 306 | open_again: |
660a1cb5 | 307 | if (td_write(td)) { |
17308158 JA |
308 | if (!read_only) |
309 | flags |= O_RDWR; | |
53cdc686 | 310 | |
af52b345 | 311 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 312 | flags |= O_CREAT; |
2fd233b7 | 313 | |
66159828 JA |
314 | if (is_std) |
315 | f->fd = dup(STDOUT_FILENO); | |
4d4e80f2 JA |
316 | else |
317 | from_hash = file_lookup_open(f, flags); | |
2fd233b7 | 318 | } else { |
4241ea8f | 319 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
320 | flags |= O_RDWR; |
321 | else | |
322 | flags |= O_RDONLY; | |
323 | ||
66159828 JA |
324 | if (is_std) |
325 | f->fd = dup(STDIN_FILENO); | |
4d4e80f2 JA |
326 | else |
327 | from_hash = file_lookup_open(f, flags); | |
53cdc686 JA |
328 | } |
329 | ||
330 | if (f->fd == -1) { | |
e4e33258 | 331 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
332 | int __e = errno; |
333 | ||
056f3459 AC |
334 | if (errno == EPERM && (flags & O_NOATIME)) { |
335 | flags &= ~O_NOATIME; | |
336 | goto open_again; | |
337 | } | |
338 | ||
e8670ef8 | 339 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
e4e33258 JA |
340 | |
341 | td_verror(td, __e, buf); | |
53cdc686 JA |
342 | } |
343 | ||
b5af8293 JA |
344 | if (get_file_size(td, f)) |
345 | goto err; | |
346 | ||
29c1349f JA |
347 | if (!from_hash && f->fd != -1) { |
348 | if (add_file_hash(f)) { | |
349 | int ret; | |
350 | ||
351 | /* | |
352 | * OK to ignore, we haven't done anything with it | |
353 | */ | |
354 | ret = generic_close_file(td, f); | |
355 | goto open_again; | |
356 | } | |
357 | } | |
4906e0b5 | 358 | |
53cdc686 | 359 | return 0; |
b5af8293 JA |
360 | err: |
361 | close(f->fd); | |
362 | return 1; | |
363 | } | |
364 | ||
21972cde JA |
365 | int open_files(struct thread_data *td) |
366 | { | |
367 | struct fio_file *f; | |
af52b345 JA |
368 | unsigned int i; |
369 | int err = 0; | |
21972cde | 370 | |
ee56ad50 JA |
371 | dprint(FD_FILE, "open files\n"); |
372 | ||
21972cde | 373 | for_each_file(td, f, i) { |
b5af8293 | 374 | err = td_io_open_file(td, f); |
9bf27b45 JA |
375 | if (err) { |
376 | if (td->error == EMFILE) { | |
5ec10eaa JA |
377 | log_err("fio: limited open files to: %d\n", |
378 | td->nr_open_files); | |
9bf27b45 JA |
379 | td->o.open_files = td->nr_open_files; |
380 | err = 0; | |
381 | clear_error(td); | |
382 | } | |
21972cde | 383 | break; |
9bf27b45 | 384 | } |
b5af8293 | 385 | |
2dc1bbeb | 386 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 387 | break; |
21972cde JA |
388 | } |
389 | ||
7abf833d JA |
390 | if (!err) |
391 | return 0; | |
392 | ||
bdb4e2e9 | 393 | for_each_file(td, f, i) |
b5af8293 | 394 | td_io_close_file(td, f); |
7abf833d | 395 | |
21972cde JA |
396 | return err; |
397 | } | |
398 | ||
7bb48f84 JA |
399 | /* |
400 | * open/close all files, so that ->real_file_size gets set | |
401 | */ | |
bab3fd58 | 402 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
403 | { |
404 | struct fio_file *f; | |
405 | unsigned int i; | |
bab3fd58 | 406 | int err = 0; |
7bb48f84 JA |
407 | |
408 | for_each_file(td, f, i) { | |
5ec10eaa JA |
409 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
410 | f->file_name); | |
9efef3c4 | 411 | |
bab3fd58 | 412 | if (td->io_ops->open_file(td, f)) { |
40b44f4a JA |
413 | if (td->error != ENOENT) { |
414 | log_err("%s\n", td->verror); | |
415 | err = 1; | |
416 | } | |
541d66d7 | 417 | clear_error(td); |
07eb79df JA |
418 | } else { |
419 | if (td->io_ops->close_file) | |
420 | td->io_ops->close_file(td, f); | |
421 | } | |
409b3417 JA |
422 | |
423 | if (f->real_file_size == -1ULL && td->o.size) | |
424 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 425 | } |
bab3fd58 JA |
426 | |
427 | return err; | |
7bb48f84 JA |
428 | } |
429 | ||
430 | /* | |
431 | * Open the files and setup files sizes, creating files if necessary. | |
432 | */ | |
53cdc686 JA |
433 | int setup_files(struct thread_data *td) |
434 | { | |
7bb48f84 | 435 | unsigned long long total_size, extend_size; |
53cdc686 | 436 | struct fio_file *f; |
af52b345 | 437 | unsigned int i; |
000b0803 | 438 | int err = 0, need_extend; |
53cdc686 | 439 | |
ee56ad50 JA |
440 | dprint(FD_FILE, "setup files\n"); |
441 | ||
691c8fb0 JA |
442 | if (td->o.read_iolog_file) |
443 | return 0; | |
444 | ||
53cdc686 JA |
445 | /* |
446 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
447 | * opening the files and setting f->real_file_size to indicate |
448 | * the valid range for that file. | |
53cdc686 JA |
449 | */ |
450 | if (td->io_ops->setup) | |
7bb48f84 JA |
451 | err = td->io_ops->setup(td); |
452 | else | |
bab3fd58 | 453 | err = get_file_sizes(td); |
53cdc686 | 454 | |
f1027063 JA |
455 | if (err) |
456 | return err; | |
457 | ||
0a7eb121 | 458 | /* |
7bb48f84 JA |
459 | * check sizes. if the files/devices do not exist and the size |
460 | * isn't passed to fio, abort. | |
0a7eb121 | 461 | */ |
7bb48f84 JA |
462 | total_size = 0; |
463 | for_each_file(td, f, i) { | |
464 | if (f->real_file_size == -1ULL) | |
465 | total_size = -1ULL; | |
466 | else | |
467 | total_size += f->real_file_size; | |
468 | } | |
0a7eb121 | 469 | |
7bb48f84 JA |
470 | /* |
471 | * device/file sizes are zero and no size given, punt | |
472 | */ | |
1f809d15 | 473 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
aa31f1f1 | 474 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
7bb48f84 | 475 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 476 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
477 | return 1; |
478 | } | |
479 | ||
7bb48f84 JA |
480 | /* |
481 | * now file sizes are known, so we can set ->io_size. if size= is | |
482 | * not given, ->io_size is just equal to ->real_file_size. if size | |
483 | * is given, ->io_size is size / nr_files. | |
484 | */ | |
485 | extend_size = total_size = 0; | |
486 | need_extend = 0; | |
487 | for_each_file(td, f, i) { | |
bcdedd0a YHJT |
488 | f->file_offset = td->o.start_offset; |
489 | ||
7bb48f84 JA |
490 | if (!td->o.file_size_low) { |
491 | /* | |
492 | * no file size range given, file size is equal to | |
493 | * total size divided by number of files. if that is | |
494 | * zero, set it to the real file size. | |
495 | */ | |
496 | f->io_size = td->o.size / td->o.nr_files; | |
65bdb10a | 497 | if (!f->io_size) |
273f8c91 | 498 | f->io_size = f->real_file_size - f->file_offset; |
7bb48f84 JA |
499 | } else if (f->real_file_size < td->o.file_size_low || |
500 | f->real_file_size > td->o.file_size_high) { | |
5ec10eaa | 501 | if (f->file_offset > td->o.file_size_low) |
bcdedd0a | 502 | goto err_offset; |
7bb48f84 JA |
503 | /* |
504 | * file size given. if it's fixed, use that. if it's a | |
505 | * range, generate a random size in-between. | |
506 | */ | |
5ec10eaa JA |
507 | if (td->o.file_size_low == td->o.file_size_high) { |
508 | f->io_size = td->o.file_size_low | |
509 | - f->file_offset; | |
510 | } else { | |
511 | f->io_size = get_rand_file_size(td) | |
512 | - f->file_offset; | |
513 | } | |
65bdb10a | 514 | } else |
bcdedd0a | 515 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 516 | |
7bb48f84 JA |
517 | if (f->io_size == -1ULL) |
518 | total_size = -1ULL; | |
519 | else | |
520 | total_size += f->io_size; | |
521 | ||
522 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 523 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 JA |
524 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
525 | need_extend++; | |
bcdedd0a | 526 | extend_size += (f->io_size + f->file_offset); |
7bb48f84 | 527 | f->flags |= FIO_FILE_EXTEND; |
5ec10eaa | 528 | } |
7bb48f84 | 529 | } |
53cdc686 | 530 | |
2298290e | 531 | if (!td->o.size || td->o.size > total_size) |
7bb48f84 | 532 | td->o.size = total_size; |
21972cde | 533 | |
7bb48f84 JA |
534 | /* |
535 | * See if we need to extend some files | |
536 | */ | |
537 | if (need_extend) { | |
538 | temp_stall_ts = 1; | |
f627d8ae | 539 | log_info("%s: Laying out IO file(s) (%u file(s) / %LuMiB)\n", |
7bb48f84 JA |
540 | td->o.name, need_extend, extend_size >> 20); |
541 | ||
542 | for_each_file(td, f, i) { | |
3baddf24 JA |
543 | unsigned long long old_len, extend_len; |
544 | ||
7bb48f84 JA |
545 | if (!(f->flags & FIO_FILE_EXTEND)) |
546 | continue; | |
547 | ||
409b3417 | 548 | assert(f->filetype == FIO_TYPE_FILE); |
7bb48f84 | 549 | f->flags &= ~FIO_FILE_EXTEND; |
3baddf24 JA |
550 | old_len = f->real_file_size; |
551 | extend_len = f->io_size + f->file_offset - old_len; | |
bcdedd0a | 552 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
553 | err = extend_file(td, f); |
554 | if (err) | |
3baddf24 JA |
555 | break; |
556 | ||
557 | err = __file_invalidate_cache(td, f, old_len, | |
558 | extend_len); | |
559 | close(f->fd); | |
560 | f->fd = -1; | |
561 | if (err) | |
7bb48f84 JA |
562 | break; |
563 | } | |
564 | temp_stall_ts = 0; | |
565 | } | |
566 | ||
567 | if (err) | |
568 | return err; | |
569 | ||
570 | if (!td->o.zone_size) | |
571 | td->o.zone_size = td->o.size; | |
572 | ||
ea966f81 JA |
573 | /* |
574 | * iolog already set the total io size, if we read back | |
575 | * stored entries. | |
576 | */ | |
577 | if (!td->o.read_iolog_file) | |
578 | td->total_io_size = td->o.size * td->o.loops; | |
7bb48f84 | 579 | return 0; |
bcdedd0a YHJT |
580 | err_offset: |
581 | log_err("%s: you need to specify valid offset=\n", td->o.name); | |
582 | return 1; | |
53cdc686 JA |
583 | } |
584 | ||
68727076 JA |
585 | int init_random_map(struct thread_data *td) |
586 | { | |
509eab12 | 587 | unsigned long long blocks, num_maps; |
68727076 JA |
588 | struct fio_file *f; |
589 | unsigned int i; | |
590 | ||
de8dd119 | 591 | if (td->o.norandommap || !td_random(td)) |
68727076 JA |
592 | return 0; |
593 | ||
594 | for_each_file(td, f, i) { | |
5ec10eaa JA |
595 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / |
596 | (unsigned long long) td->o.rw_min_bs; | |
597 | num_maps = (blocks + BLOCKS_PER_MAP - 1) / | |
598 | (unsigned long long) BLOCKS_PER_MAP; | |
f17c4392 | 599 | f->file_map = smalloc(num_maps * sizeof(long)); |
68727076 | 600 | if (!f->file_map) { |
5ec10eaa JA |
601 | log_err("fio: failed allocating random map. If running" |
602 | " a large number of jobs, try the 'norandommap'" | |
603 | " option\n"); | |
68727076 JA |
604 | return 1; |
605 | } | |
606 | f->num_maps = num_maps; | |
68727076 JA |
607 | } |
608 | ||
609 | return 0; | |
610 | } | |
611 | ||
53cdc686 JA |
612 | void close_files(struct thread_data *td) |
613 | { | |
0ab8db89 | 614 | struct fio_file *f; |
af52b345 | 615 | unsigned int i; |
53cdc686 | 616 | |
24ffd2c2 JA |
617 | for_each_file(td, f, i) |
618 | td_io_close_file(td, f); | |
619 | } | |
620 | ||
621 | void close_and_free_files(struct thread_data *td) | |
622 | { | |
623 | struct fio_file *f; | |
624 | unsigned int i; | |
625 | ||
ee56ad50 JA |
626 | dprint(FD_FILE, "close files\n"); |
627 | ||
0ab8db89 | 628 | for_each_file(td, f, i) { |
a9b7b305 | 629 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) |
132ad46d | 630 | unlink(f->file_name); |
bdb4e2e9 | 631 | |
b5af8293 | 632 | td_io_close_file(td, f); |
b3dc7f07 | 633 | |
f17c4392 | 634 | sfree(f->file_name); |
fa1da865 JA |
635 | f->file_name = NULL; |
636 | ||
c343981b | 637 | if (f->file_map) { |
f17c4392 | 638 | sfree(f->file_map); |
c343981b JA |
639 | f->file_map = NULL; |
640 | } | |
78d99e6a | 641 | sfree(f); |
53cdc686 | 642 | } |
b4a6a59a | 643 | |
2dc1bbeb | 644 | td->o.filename = NULL; |
cade3ef4 | 645 | free(td->files); |
9efef3c4 | 646 | td->files_index = 0; |
b4a6a59a | 647 | td->files = NULL; |
2dc1bbeb | 648 | td->o.nr_files = 0; |
53cdc686 | 649 | } |
af52b345 | 650 | |
e3bab463 | 651 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
652 | { |
653 | struct stat sb; | |
654 | ||
66159828 JA |
655 | if (!strcmp(f->file_name, "-")) |
656 | f->filetype = FIO_TYPE_PIPE; | |
657 | else | |
658 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 659 | |
e3bab463 | 660 | if (!lstat(f->file_name, &sb)) { |
af52b345 JA |
661 | if (S_ISBLK(sb.st_mode)) |
662 | f->filetype = FIO_TYPE_BD; | |
663 | else if (S_ISCHR(sb.st_mode)) | |
664 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
665 | else if (S_ISFIFO(sb.st_mode)) |
666 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
667 | } |
668 | } | |
669 | ||
f29b25a3 | 670 | int add_file(struct thread_data *td, const char *fname) |
af52b345 | 671 | { |
7b4e4fe5 | 672 | int cur_files = td->files_index; |
bd0ee748 | 673 | char file_name[PATH_MAX]; |
af52b345 | 674 | struct fio_file *f; |
bd0ee748 | 675 | int len = 0; |
af52b345 | 676 | |
ee56ad50 JA |
677 | dprint(FD_FILE, "add file %s\n", fname); |
678 | ||
f17c4392 | 679 | f = smalloc(sizeof(*f)); |
af52b345 | 680 | f->fd = -1; |
bd0ee748 | 681 | |
9efef3c4 | 682 | dprint(FD_FILE, "resize file array to %d files\n", cur_files + 1); |
126d65c6 | 683 | |
9efef3c4 | 684 | td->files = realloc(td->files, (cur_files + 1) * sizeof(f)); |
126d65c6 JA |
685 | td->files[cur_files] = f; |
686 | ||
07eb79df JA |
687 | /* |
688 | * init function, io engine may not be loaded yet | |
689 | */ | |
690 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
691 | f->real_file_size = -1ULL; | |
692 | ||
bd0ee748 JA |
693 | if (td->o.directory) |
694 | len = sprintf(file_name, "%s/", td->o.directory); | |
695 | ||
696 | sprintf(file_name + len, "%s", fname); | |
f17c4392 | 697 | f->file_name = smalloc_strdup(file_name); |
af52b345 | 698 | |
e3bab463 | 699 | get_file_type(f); |
af52b345 | 700 | |
4d4e80f2 JA |
701 | switch (td->o.file_lock_mode) { |
702 | case FILE_LOCK_NONE: | |
703 | break; | |
704 | case FILE_LOCK_READWRITE: | |
705 | f->lock = fio_mutex_rw_init(); | |
706 | break; | |
707 | case FILE_LOCK_EXCLUSIVE: | |
708 | f->lock = fio_mutex_init(1); | |
709 | break; | |
710 | default: | |
711 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); | |
712 | assert(0); | |
713 | } | |
29c1349f | 714 | |
7b4e4fe5 | 715 | td->files_index++; |
1549441c JA |
716 | if (f->filetype == FIO_TYPE_FILE) |
717 | td->nr_normal_files++; | |
f29b25a3 | 718 | |
5ec10eaa JA |
719 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
720 | cur_files); | |
9efef3c4 | 721 | |
f29b25a3 | 722 | return cur_files; |
af52b345 | 723 | } |
0ad920e7 JA |
724 | |
725 | void get_file(struct fio_file *f) | |
726 | { | |
8172fe97 | 727 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
97af62ce | 728 | assert(f->flags & FIO_FILE_OPEN); |
0ad920e7 JA |
729 | f->references++; |
730 | } | |
731 | ||
6977bcd0 | 732 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 733 | { |
98e1ac4e | 734 | int f_ret = 0, ret = 0; |
6977bcd0 | 735 | |
8172fe97 | 736 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 737 | |
0ad920e7 | 738 | if (!(f->flags & FIO_FILE_OPEN)) |
6977bcd0 | 739 | return 0; |
0ad920e7 JA |
740 | |
741 | assert(f->references); | |
742 | if (--f->references) | |
6977bcd0 | 743 | return 0; |
0ad920e7 | 744 | |
d424d4dd | 745 | if (should_fsync(td) && td->o.fsync_on_close) |
98e1ac4e | 746 | f_ret = fsync(f->fd); |
ebb1415f | 747 | |
0ad920e7 | 748 | if (td->io_ops->close_file) |
6977bcd0 | 749 | ret = td->io_ops->close_file(td, f); |
1020a139 | 750 | |
98e1ac4e JA |
751 | if (!ret) |
752 | ret = !f_ret; | |
753 | ||
0ad920e7 JA |
754 | td->nr_open_files--; |
755 | f->flags &= ~FIO_FILE_OPEN; | |
6977bcd0 | 756 | return ret; |
0ad920e7 | 757 | } |
bbf6b540 | 758 | |
4d4e80f2 | 759 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
b2bd2bd9 | 760 | { |
4d4e80f2 JA |
761 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
762 | return; | |
29c1349f | 763 | |
4d4e80f2 JA |
764 | if (f->lock_owner == td && f->lock_batch--) |
765 | return; | |
766 | ||
767 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
768 | if (ddir == DDIR_READ) | |
769 | fio_mutex_down_read(f->lock); | |
770 | else | |
771 | fio_mutex_down_write(f->lock); | |
772 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) | |
773 | fio_mutex_down(f->lock); | |
774 | ||
775 | f->lock_owner = td; | |
776 | f->lock_batch = td->o.lockfile_batch; | |
777 | f->lock_ddir = ddir; | |
b2bd2bd9 JA |
778 | } |
779 | ||
4d4e80f2 | 780 | void unlock_file(struct thread_data *td, struct fio_file *f) |
b2bd2bd9 | 781 | { |
4d4e80f2 JA |
782 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
783 | return; | |
784 | if (f->lock_batch) | |
785 | return; | |
786 | ||
787 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { | |
788 | const int is_read = f->lock_ddir == DDIR_READ; | |
789 | int val = fio_mutex_getval(f->lock); | |
29c1349f | 790 | |
4d4e80f2 JA |
791 | if ((is_read && val == 1) || (!is_read && val == -1)) |
792 | f->lock_owner = NULL; | |
29c1349f | 793 | |
4d4e80f2 JA |
794 | if (is_read) |
795 | fio_mutex_up_read(f->lock); | |
796 | else | |
797 | fio_mutex_up_write(f->lock); | |
798 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) { | |
799 | int val = fio_mutex_getval(f->lock); | |
800 | ||
801 | if (val == 0) | |
802 | f->lock_owner = NULL; | |
803 | ||
804 | fio_mutex_up(f->lock); | |
29c1349f | 805 | } |
b2bd2bd9 JA |
806 | } |
807 | ||
4d4e80f2 JA |
808 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
809 | { | |
810 | if (f->lock_owner != td) | |
811 | return; | |
812 | ||
813 | f->lock_batch = 0; | |
814 | unlock_file(td, f); | |
815 | } | |
816 | ||
bbf6b540 JA |
817 | static int recurse_dir(struct thread_data *td, const char *dirname) |
818 | { | |
819 | struct dirent *dir; | |
820 | int ret = 0; | |
821 | DIR *D; | |
822 | ||
823 | D = opendir(dirname); | |
824 | if (!D) { | |
0ddb270c JA |
825 | char buf[FIO_VERROR_SIZE]; |
826 | ||
827 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
828 | td_verror(td, errno, buf); | |
bbf6b540 JA |
829 | return 1; |
830 | } | |
831 | ||
832 | while ((dir = readdir(D)) != NULL) { | |
833 | char full_path[PATH_MAX]; | |
834 | struct stat sb; | |
835 | ||
e85b2b83 JA |
836 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
837 | continue; | |
96d32d51 | 838 | |
bbf6b540 JA |
839 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
840 | ||
841 | if (lstat(full_path, &sb) == -1) { | |
842 | if (errno != ENOENT) { | |
843 | td_verror(td, errno, "stat"); | |
844 | return 1; | |
845 | } | |
846 | } | |
847 | ||
848 | if (S_ISREG(sb.st_mode)) { | |
849 | add_file(td, full_path); | |
2dc1bbeb | 850 | td->o.nr_files++; |
bbf6b540 JA |
851 | continue; |
852 | } | |
0ddb270c JA |
853 | if (!S_ISDIR(sb.st_mode)) |
854 | continue; | |
bbf6b540 | 855 | |
5ec10eaa JA |
856 | ret = recurse_dir(td, full_path); |
857 | if (ret) | |
bbf6b540 JA |
858 | break; |
859 | } | |
860 | ||
861 | closedir(D); | |
862 | return ret; | |
863 | } | |
864 | ||
865 | int add_dir_files(struct thread_data *td, const char *path) | |
866 | { | |
0ddb270c JA |
867 | int ret = recurse_dir(td, path); |
868 | ||
869 | if (!ret) | |
870 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
871 | ||
872 | return ret; | |
bbf6b540 | 873 | } |
cade3ef4 JA |
874 | |
875 | void dup_files(struct thread_data *td, struct thread_data *org) | |
876 | { | |
877 | struct fio_file *f; | |
878 | unsigned int i; | |
9efef3c4 JA |
879 | |
880 | dprint(FD_FILE, "dup files: %d\n", org->files_index); | |
cade3ef4 JA |
881 | |
882 | if (!org->files) | |
883 | return; | |
884 | ||
9efef3c4 | 885 | td->files = malloc(org->files_index * sizeof(f)); |
cade3ef4 | 886 | |
9efef3c4 | 887 | for_each_file(org, f, i) { |
b0fe421a JA |
888 | struct fio_file *__f; |
889 | ||
f17c4392 | 890 | __f = smalloc(sizeof(*__f)); |
b0fe421a | 891 | |
cade3ef4 | 892 | if (f->file_name) |
f17c4392 | 893 | __f->file_name = smalloc_strdup(f->file_name); |
b0fe421a JA |
894 | |
895 | td->files[i] = __f; | |
cade3ef4 JA |
896 | } |
897 | } | |
f29b25a3 JA |
898 | |
899 | /* | |
900 | * Returns the index that matches the filename, or -1 if not there | |
901 | */ | |
902 | int get_fileno(struct thread_data *td, const char *fname) | |
903 | { | |
904 | struct fio_file *f; | |
905 | unsigned int i; | |
906 | ||
907 | for_each_file(td, f, i) | |
908 | if (!strcmp(f->file_name, fname)) | |
909 | return i; | |
910 | ||
911 | return -1; | |
912 | } | |
913 | ||
914 | /* | |
915 | * For log usage, where we add/open/close files automatically | |
916 | */ | |
917 | void free_release_files(struct thread_data *td) | |
918 | { | |
919 | close_files(td); | |
920 | td->files_index = 0; | |
921 | td->nr_normal_files = 0; | |
922 | } |