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" |
53cdc686 | 12 | |
7172cfe8 JA |
13 | static int root_warn; |
14 | ||
7bb48f84 | 15 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 16 | { |
ea443657 | 17 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
18 | unsigned long long left; |
19 | unsigned int bs; | |
20 | char *b; | |
b2a15192 | 21 | |
4241ea8f JA |
22 | if (read_only) { |
23 | log_err("fio: refusing extend of file due to read-only\n"); | |
24 | return 0; | |
25 | } | |
26 | ||
507a702f JA |
27 | /* |
28 | * check if we need to lay the file out complete again. fio | |
29 | * does that for operations involving reads, or for writes | |
30 | * where overwrite is set | |
31 | */ | |
32 | if (td_read(td) || (td_write(td) && td->o.overwrite)) | |
33 | new_layout = 1; | |
ea443657 JA |
34 | if (td_write(td) && !td->o.overwrite) |
35 | unlink_file = 1; | |
507a702f | 36 | |
6ae1f57f | 37 | if (unlink_file || new_layout) { |
982016d6 | 38 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
7bb48f84 JA |
39 | td_verror(td, errno, "unlink"); |
40 | return 1; | |
41 | } | |
42 | } | |
43 | ||
507a702f JA |
44 | flags = O_WRONLY | O_CREAT; |
45 | if (new_layout) | |
46 | flags |= O_TRUNC; | |
47 | ||
ee56ad50 | 48 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 49 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 50 | if (f->fd < 0) { |
e1161c32 | 51 | td_verror(td, errno, "open"); |
53cdc686 JA |
52 | return 1; |
53 | } | |
54 | ||
fc74ac1d SL |
55 | if (!new_layout) |
56 | goto done; | |
57 | ||
ee56ad50 JA |
58 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, |
59 | f->real_file_size); | |
7bb48f84 | 60 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
e1161c32 | 61 | td_verror(td, errno, "ftruncate"); |
53cdc686 JA |
62 | goto err; |
63 | } | |
64 | ||
ee56ad50 JA |
65 | dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name, |
66 | f->real_file_size); | |
7bb48f84 | 67 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
e1161c32 | 68 | td_verror(td, errno, "posix_fallocate"); |
40f8298c JA |
69 | goto err; |
70 | } | |
71 | ||
2dc1bbeb JA |
72 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
73 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 74 | |
7bb48f84 | 75 | left = f->real_file_size; |
53cdc686 | 76 | while (left && !td->terminate) { |
2dc1bbeb | 77 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
78 | if (bs > left) |
79 | bs = left; | |
80 | ||
81 | r = write(f->fd, b, bs); | |
82 | ||
83 | if (r == (int) bs) { | |
84 | left -= bs; | |
85 | continue; | |
86 | } else { | |
87 | if (r < 0) | |
e1161c32 | 88 | td_verror(td, errno, "write"); |
53cdc686 | 89 | else |
e1161c32 | 90 | td_verror(td, EIO, "write"); |
53cdc686 JA |
91 | |
92 | break; | |
93 | } | |
94 | } | |
95 | ||
96 | if (td->terminate) | |
97 | unlink(f->file_name); | |
2dc1bbeb | 98 | else if (td->o.create_fsync) |
53cdc686 JA |
99 | fsync(f->fd); |
100 | ||
101 | free(b); | |
507a702f | 102 | done: |
53cdc686 JA |
103 | close(f->fd); |
104 | f->fd = -1; | |
105 | return 0; | |
106 | err: | |
107 | close(f->fd); | |
108 | f->fd = -1; | |
109 | return 1; | |
110 | } | |
111 | ||
7bb48f84 | 112 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 113 | { |
9c60ce64 JA |
114 | unsigned long long ret; |
115 | long r; | |
116 | ||
9c60ce64 | 117 | r = os_random_long(&td->file_size_state); |
d11a531f | 118 | ret = td->o.file_size_low + (unsigned long long) ((double) (td->o.file_size_high - td->o.file_size_low) * (r / (RAND_MAX + 1.0))); |
2dc1bbeb | 119 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
120 | return ret; |
121 | } | |
122 | ||
53cdc686 JA |
123 | static int file_size(struct thread_data *td, struct fio_file *f) |
124 | { | |
125 | struct stat st; | |
126 | ||
7bb48f84 JA |
127 | if (fstat(f->fd, &st) == -1) { |
128 | td_verror(td, errno, "fstat"); | |
129 | return 1; | |
130 | } | |
53cdc686 | 131 | |
7bb48f84 | 132 | f->real_file_size = st.st_size; |
53cdc686 JA |
133 | return 0; |
134 | } | |
135 | ||
136 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
137 | { | |
138 | unsigned long long bytes; | |
139 | int r; | |
140 | ||
141 | r = blockdev_size(f->fd, &bytes); | |
142 | if (r) { | |
e1161c32 | 143 | td_verror(td, r, "blockdev_size"); |
53cdc686 JA |
144 | return 1; |
145 | } | |
146 | ||
147 | f->real_file_size = bytes; | |
53cdc686 JA |
148 | return 0; |
149 | } | |
150 | ||
151 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
152 | { | |
153 | int ret = 0; | |
154 | ||
409b3417 JA |
155 | if (f->flags & FIO_SIZE_KNOWN) |
156 | return 0; | |
157 | ||
7bb48f84 JA |
158 | if (f->filetype == FIO_TYPE_FILE) |
159 | ret = file_size(td, f); | |
160 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
161 | ret = bdev_size(td, f); |
162 | else | |
163 | f->real_file_size = -1; | |
164 | ||
165 | if (ret) | |
166 | return ret; | |
167 | ||
168 | if (f->file_offset > f->real_file_size) { | |
2dc1bbeb | 169 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size); |
53cdc686 JA |
170 | return 1; |
171 | } | |
172 | ||
409b3417 | 173 | f->flags |= FIO_SIZE_KNOWN; |
53cdc686 JA |
174 | return 0; |
175 | } | |
176 | ||
e5b401d4 JA |
177 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
178 | { | |
179 | int ret = 0; | |
180 | ||
ee56ad50 JA |
181 | dprint(FD_IO, "invalidate cache (%d)\n", td->o.odirect); |
182 | ||
2dc1bbeb | 183 | if (td->o.odirect) |
b5af8293 JA |
184 | return 0; |
185 | ||
e5b401d4 JA |
186 | /* |
187 | * FIXME: add blockdev flushing too | |
188 | */ | |
b5af8293 | 189 | if (f->mmap) |
7bb48f84 | 190 | ret = madvise(f->mmap, f->io_size, MADV_DONTNEED); |
467d1b6b | 191 | else if (f->filetype == FIO_TYPE_FILE) |
7bb48f84 | 192 | ret = fadvise(f->fd, f->file_offset, f->io_size, POSIX_FADV_DONTNEED); |
7e0e25c9 | 193 | else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 194 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 | 195 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 JA |
196 | if (!root_warn) { |
197 | log_err("fio: only root may flush block devices. Cache flush bypassed!\n"); | |
198 | root_warn = 1; | |
199 | } | |
7e0e25c9 JA |
200 | ret = 0; |
201 | } | |
b5605e9d | 202 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
203 | ret = 0; |
204 | ||
205 | if (ret < 0) { | |
e1161c32 | 206 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 JA |
207 | return 1; |
208 | } | |
209 | ||
ad2da605 | 210 | return ret; |
e5b401d4 JA |
211 | } |
212 | ||
6977bcd0 | 213 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 214 | { |
6977bcd0 JA |
215 | int ret = 0; |
216 | ||
ee56ad50 | 217 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
6977bcd0 JA |
218 | if (close(f->fd) < 0) |
219 | ret = errno; | |
220 | ||
b5af8293 | 221 | f->fd = -1; |
6977bcd0 | 222 | return ret; |
53cdc686 JA |
223 | } |
224 | ||
b5af8293 | 225 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
53cdc686 | 226 | { |
66159828 | 227 | int is_std = 0; |
53cdc686 JA |
228 | int flags = 0; |
229 | ||
ee56ad50 JA |
230 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
231 | ||
66159828 JA |
232 | if (!strcmp(f->file_name, "-")) { |
233 | if (td_rw(td)) { | |
234 | log_err("fio: can't read/write to stdin/out\n"); | |
235 | return 1; | |
236 | } | |
237 | is_std = 1; | |
ce98fa66 JA |
238 | |
239 | /* | |
240 | * move output logging to stderr, if we are writing to stdout | |
241 | */ | |
242 | if (td_write(td)) | |
243 | f_out = stderr; | |
66159828 JA |
244 | } |
245 | ||
2dc1bbeb | 246 | if (td->o.odirect) |
2fd233b7 | 247 | flags |= OS_O_DIRECT; |
2dc1bbeb | 248 | if (td->o.sync_io) |
2fd233b7 | 249 | flags |= O_SYNC; |
ad92396c JA |
250 | if (f->filetype != FIO_TYPE_FILE) |
251 | flags |= O_NOATIME; | |
53cdc686 | 252 | |
056f3459 | 253 | open_again: |
660a1cb5 | 254 | if (td_write(td)) { |
4241ea8f JA |
255 | assert(!read_only); |
256 | ||
2fd233b7 | 257 | flags |= O_RDWR; |
53cdc686 | 258 | |
af52b345 | 259 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 260 | flags |= O_CREAT; |
2fd233b7 | 261 | |
66159828 JA |
262 | if (is_std) |
263 | f->fd = dup(STDOUT_FILENO); | |
264 | else | |
265 | f->fd = open(f->file_name, flags, 0600); | |
2fd233b7 | 266 | } else { |
4241ea8f | 267 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
268 | flags |= O_RDWR; |
269 | else | |
270 | flags |= O_RDONLY; | |
271 | ||
66159828 JA |
272 | if (is_std) |
273 | f->fd = dup(STDIN_FILENO); | |
274 | else | |
275 | f->fd = open(f->file_name, flags); | |
53cdc686 JA |
276 | } |
277 | ||
278 | if (f->fd == -1) { | |
e4e33258 | 279 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
280 | int __e = errno; |
281 | ||
056f3459 AC |
282 | if (errno == EPERM && (flags & O_NOATIME)) { |
283 | flags &= ~O_NOATIME; | |
284 | goto open_again; | |
285 | } | |
286 | ||
e4e33258 JA |
287 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
288 | ||
289 | td_verror(td, __e, buf); | |
53cdc686 JA |
290 | } |
291 | ||
b5af8293 JA |
292 | if (get_file_size(td, f)) |
293 | goto err; | |
294 | ||
53cdc686 | 295 | return 0; |
b5af8293 JA |
296 | err: |
297 | close(f->fd); | |
298 | return 1; | |
299 | } | |
300 | ||
21972cde JA |
301 | int open_files(struct thread_data *td) |
302 | { | |
303 | struct fio_file *f; | |
af52b345 JA |
304 | unsigned int i; |
305 | int err = 0; | |
21972cde | 306 | |
ee56ad50 JA |
307 | dprint(FD_FILE, "open files\n"); |
308 | ||
21972cde | 309 | for_each_file(td, f, i) { |
b5af8293 | 310 | err = td_io_open_file(td, f); |
9bf27b45 JA |
311 | if (err) { |
312 | if (td->error == EMFILE) { | |
313 | log_err("fio: limited open files to: %d\n", td->nr_open_files); | |
314 | td->o.open_files = td->nr_open_files; | |
315 | err = 0; | |
316 | clear_error(td); | |
317 | } | |
21972cde | 318 | break; |
9bf27b45 | 319 | } |
b5af8293 | 320 | |
2dc1bbeb | 321 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 322 | break; |
21972cde JA |
323 | } |
324 | ||
7abf833d JA |
325 | if (!err) |
326 | return 0; | |
327 | ||
bdb4e2e9 | 328 | for_each_file(td, f, i) |
b5af8293 | 329 | td_io_close_file(td, f); |
7abf833d | 330 | |
21972cde JA |
331 | return err; |
332 | } | |
333 | ||
7bb48f84 JA |
334 | /* |
335 | * open/close all files, so that ->real_file_size gets set | |
336 | */ | |
bab3fd58 | 337 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
338 | { |
339 | struct fio_file *f; | |
340 | unsigned int i; | |
bab3fd58 | 341 | int err = 0; |
7bb48f84 JA |
342 | |
343 | for_each_file(td, f, i) { | |
bab3fd58 | 344 | if (td->io_ops->open_file(td, f)) { |
40b44f4a JA |
345 | if (td->error != ENOENT) { |
346 | log_err("%s\n", td->verror); | |
347 | err = 1; | |
348 | } | |
541d66d7 | 349 | clear_error(td); |
07eb79df JA |
350 | } else { |
351 | if (td->io_ops->close_file) | |
352 | td->io_ops->close_file(td, f); | |
353 | } | |
409b3417 JA |
354 | |
355 | if (f->real_file_size == -1ULL && td->o.size) | |
356 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 357 | } |
bab3fd58 JA |
358 | |
359 | return err; | |
7bb48f84 JA |
360 | } |
361 | ||
362 | /* | |
363 | * Open the files and setup files sizes, creating files if necessary. | |
364 | */ | |
53cdc686 JA |
365 | int setup_files(struct thread_data *td) |
366 | { | |
7bb48f84 | 367 | unsigned long long total_size, extend_size; |
53cdc686 | 368 | struct fio_file *f; |
af52b345 | 369 | unsigned int i; |
000b0803 | 370 | int err = 0, need_extend; |
53cdc686 | 371 | |
ee56ad50 JA |
372 | dprint(FD_FILE, "setup files\n"); |
373 | ||
53cdc686 JA |
374 | /* |
375 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
376 | * opening the files and setting f->real_file_size to indicate |
377 | * the valid range for that file. | |
53cdc686 JA |
378 | */ |
379 | if (td->io_ops->setup) | |
7bb48f84 JA |
380 | err = td->io_ops->setup(td); |
381 | else | |
bab3fd58 | 382 | err = get_file_sizes(td); |
53cdc686 | 383 | |
f1027063 JA |
384 | if (err) |
385 | return err; | |
386 | ||
0a7eb121 | 387 | /* |
7bb48f84 JA |
388 | * check sizes. if the files/devices do not exist and the size |
389 | * isn't passed to fio, abort. | |
0a7eb121 | 390 | */ |
7bb48f84 JA |
391 | total_size = 0; |
392 | for_each_file(td, f, i) { | |
393 | if (f->real_file_size == -1ULL) | |
394 | total_size = -1ULL; | |
395 | else | |
396 | total_size += f->real_file_size; | |
397 | } | |
0a7eb121 | 398 | |
7bb48f84 JA |
399 | /* |
400 | * device/file sizes are zero and no size given, punt | |
401 | */ | |
1f809d15 | 402 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
aa31f1f1 | 403 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
7bb48f84 | 404 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 405 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
406 | return 1; |
407 | } | |
408 | ||
7bb48f84 JA |
409 | /* |
410 | * now file sizes are known, so we can set ->io_size. if size= is | |
411 | * not given, ->io_size is just equal to ->real_file_size. if size | |
412 | * is given, ->io_size is size / nr_files. | |
413 | */ | |
414 | extend_size = total_size = 0; | |
415 | need_extend = 0; | |
416 | for_each_file(td, f, i) { | |
bcdedd0a YHJT |
417 | f->file_offset = td->o.start_offset; |
418 | ||
7bb48f84 JA |
419 | if (!td->o.file_size_low) { |
420 | /* | |
421 | * no file size range given, file size is equal to | |
422 | * total size divided by number of files. if that is | |
423 | * zero, set it to the real file size. | |
424 | */ | |
425 | f->io_size = td->o.size / td->o.nr_files; | |
65bdb10a | 426 | if (!f->io_size) |
273f8c91 | 427 | f->io_size = f->real_file_size - f->file_offset; |
7bb48f84 JA |
428 | } else if (f->real_file_size < td->o.file_size_low || |
429 | f->real_file_size > td->o.file_size_high) { | |
bcdedd0a YHJT |
430 | if (f->file_offset > td->o.file_size_low) |
431 | goto err_offset; | |
7bb48f84 JA |
432 | /* |
433 | * file size given. if it's fixed, use that. if it's a | |
434 | * range, generate a random size in-between. | |
435 | */ | |
436 | if (td->o.file_size_low == td->o.file_size_high) | |
bcdedd0a | 437 | f->io_size = td->o.file_size_low - f->file_offset; |
7bb48f84 | 438 | else |
bcdedd0a | 439 | f->io_size = get_rand_file_size(td) - f->file_offset; |
65bdb10a | 440 | } else |
bcdedd0a | 441 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 442 | |
7bb48f84 JA |
443 | if (f->io_size == -1ULL) |
444 | total_size = -1ULL; | |
445 | else | |
446 | total_size += f->io_size; | |
447 | ||
448 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 449 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 JA |
450 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
451 | need_extend++; | |
bcdedd0a | 452 | extend_size += (f->io_size + f->file_offset); |
7bb48f84 | 453 | f->flags |= FIO_FILE_EXTEND; |
bcdedd0a | 454 | } |
7bb48f84 | 455 | } |
53cdc686 | 456 | |
2298290e | 457 | if (!td->o.size || td->o.size > total_size) |
7bb48f84 | 458 | td->o.size = total_size; |
21972cde | 459 | |
7bb48f84 JA |
460 | /* |
461 | * See if we need to extend some files | |
462 | */ | |
463 | if (need_extend) { | |
464 | temp_stall_ts = 1; | |
f627d8ae | 465 | log_info("%s: Laying out IO file(s) (%u file(s) / %LuMiB)\n", |
7bb48f84 JA |
466 | td->o.name, need_extend, extend_size >> 20); |
467 | ||
468 | for_each_file(td, f, i) { | |
469 | if (!(f->flags & FIO_FILE_EXTEND)) | |
470 | continue; | |
471 | ||
409b3417 | 472 | assert(f->filetype == FIO_TYPE_FILE); |
7bb48f84 | 473 | f->flags &= ~FIO_FILE_EXTEND; |
bcdedd0a | 474 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
475 | err = extend_file(td, f); |
476 | if (err) | |
477 | break; | |
478 | } | |
479 | temp_stall_ts = 0; | |
480 | } | |
481 | ||
482 | if (err) | |
483 | return err; | |
484 | ||
485 | if (!td->o.zone_size) | |
486 | td->o.zone_size = td->o.size; | |
487 | ||
ea966f81 JA |
488 | /* |
489 | * iolog already set the total io size, if we read back | |
490 | * stored entries. | |
491 | */ | |
492 | if (!td->o.read_iolog_file) | |
493 | td->total_io_size = td->o.size * td->o.loops; | |
7bb48f84 | 494 | return 0; |
bcdedd0a YHJT |
495 | err_offset: |
496 | log_err("%s: you need to specify valid offset=\n", td->o.name); | |
497 | return 1; | |
53cdc686 JA |
498 | } |
499 | ||
68727076 JA |
500 | int init_random_map(struct thread_data *td) |
501 | { | |
509eab12 | 502 | unsigned long long blocks, num_maps; |
68727076 JA |
503 | struct fio_file *f; |
504 | unsigned int i; | |
505 | ||
de8dd119 | 506 | if (td->o.norandommap || !td_random(td)) |
68727076 JA |
507 | return 0; |
508 | ||
509 | for_each_file(td, f, i) { | |
509eab12 JA |
510 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / (unsigned long long) td->o.rw_min_bs; |
511 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ (unsigned long long) BLOCKS_PER_MAP; | |
f17c4392 | 512 | f->file_map = smalloc(num_maps * sizeof(long)); |
68727076 JA |
513 | if (!f->file_map) { |
514 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
515 | return 1; | |
516 | } | |
517 | f->num_maps = num_maps; | |
68727076 JA |
518 | } |
519 | ||
520 | return 0; | |
521 | } | |
522 | ||
53cdc686 JA |
523 | void close_files(struct thread_data *td) |
524 | { | |
0ab8db89 | 525 | struct fio_file *f; |
af52b345 | 526 | unsigned int i; |
53cdc686 | 527 | |
24ffd2c2 JA |
528 | for_each_file(td, f, i) |
529 | td_io_close_file(td, f); | |
530 | } | |
531 | ||
532 | void close_and_free_files(struct thread_data *td) | |
533 | { | |
534 | struct fio_file *f; | |
535 | unsigned int i; | |
536 | ||
ee56ad50 JA |
537 | dprint(FD_FILE, "close files\n"); |
538 | ||
0ab8db89 | 539 | for_each_file(td, f, i) { |
a9b7b305 | 540 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) |
132ad46d | 541 | unlink(f->file_name); |
bdb4e2e9 | 542 | |
b5af8293 | 543 | td_io_close_file(td, f); |
b3dc7f07 | 544 | |
f17c4392 | 545 | sfree(f->file_name); |
fa1da865 JA |
546 | f->file_name = NULL; |
547 | ||
c343981b | 548 | if (f->file_map) { |
f17c4392 | 549 | sfree(f->file_map); |
c343981b JA |
550 | f->file_map = NULL; |
551 | } | |
53cdc686 | 552 | } |
b4a6a59a | 553 | |
2dc1bbeb | 554 | td->o.filename = NULL; |
cade3ef4 | 555 | free(td->files); |
b4a6a59a | 556 | td->files = NULL; |
2dc1bbeb | 557 | td->o.nr_files = 0; |
53cdc686 | 558 | } |
af52b345 | 559 | |
e3bab463 | 560 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
561 | { |
562 | struct stat sb; | |
563 | ||
66159828 JA |
564 | if (!strcmp(f->file_name, "-")) |
565 | f->filetype = FIO_TYPE_PIPE; | |
566 | else | |
567 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 568 | |
e3bab463 | 569 | if (!lstat(f->file_name, &sb)) { |
af52b345 JA |
570 | if (S_ISBLK(sb.st_mode)) |
571 | f->filetype = FIO_TYPE_BD; | |
572 | else if (S_ISCHR(sb.st_mode)) | |
573 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
574 | else if (S_ISFIFO(sb.st_mode)) |
575 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
576 | } |
577 | } | |
578 | ||
f29b25a3 | 579 | int add_file(struct thread_data *td, const char *fname) |
af52b345 | 580 | { |
7b4e4fe5 | 581 | int cur_files = td->files_index; |
bd0ee748 | 582 | char file_name[PATH_MAX]; |
af52b345 | 583 | struct fio_file *f; |
bd0ee748 | 584 | int len = 0; |
af52b345 | 585 | |
ee56ad50 JA |
586 | dprint(FD_FILE, "add file %s\n", fname); |
587 | ||
f17c4392 | 588 | f = smalloc(sizeof(*f)); |
af52b345 | 589 | f->fd = -1; |
bd0ee748 | 590 | |
126d65c6 JA |
591 | td->files = realloc(td->files, (cur_files + 1) * sizeof(f)); |
592 | ||
593 | td->files[cur_files] = f; | |
594 | ||
07eb79df JA |
595 | /* |
596 | * init function, io engine may not be loaded yet | |
597 | */ | |
598 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
599 | f->real_file_size = -1ULL; | |
600 | ||
bd0ee748 JA |
601 | if (td->o.directory) |
602 | len = sprintf(file_name, "%s/", td->o.directory); | |
603 | ||
604 | sprintf(file_name + len, "%s", fname); | |
f17c4392 | 605 | f->file_name = smalloc_strdup(file_name); |
af52b345 | 606 | |
e3bab463 | 607 | get_file_type(f); |
af52b345 | 608 | |
7b4e4fe5 | 609 | td->files_index++; |
1549441c JA |
610 | if (f->filetype == FIO_TYPE_FILE) |
611 | td->nr_normal_files++; | |
f29b25a3 JA |
612 | |
613 | return cur_files; | |
af52b345 | 614 | } |
0ad920e7 JA |
615 | |
616 | void get_file(struct fio_file *f) | |
617 | { | |
8172fe97 | 618 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
97af62ce | 619 | assert(f->flags & FIO_FILE_OPEN); |
0ad920e7 JA |
620 | f->references++; |
621 | } | |
622 | ||
6977bcd0 | 623 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 624 | { |
6977bcd0 JA |
625 | int ret = 0; |
626 | ||
8172fe97 | 627 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 628 | |
0ad920e7 | 629 | if (!(f->flags & FIO_FILE_OPEN)) |
6977bcd0 | 630 | return 0; |
0ad920e7 JA |
631 | |
632 | assert(f->references); | |
633 | if (--f->references) | |
6977bcd0 | 634 | return 0; |
0ad920e7 | 635 | |
d424d4dd | 636 | if (should_fsync(td) && td->o.fsync_on_close) |
ebb1415f JA |
637 | fsync(f->fd); |
638 | ||
0ad920e7 | 639 | if (td->io_ops->close_file) |
6977bcd0 | 640 | ret = td->io_ops->close_file(td, f); |
1020a139 | 641 | |
0ad920e7 JA |
642 | td->nr_open_files--; |
643 | f->flags &= ~FIO_FILE_OPEN; | |
6977bcd0 | 644 | return ret; |
0ad920e7 | 645 | } |
bbf6b540 | 646 | |
b2bd2bd9 JA |
647 | void lock_file(struct thread_data *td, struct fio_file *f) |
648 | { | |
649 | } | |
650 | ||
651 | void unlock_file(struct fio_file *f) | |
652 | { | |
653 | } | |
654 | ||
bbf6b540 JA |
655 | static int recurse_dir(struct thread_data *td, const char *dirname) |
656 | { | |
657 | struct dirent *dir; | |
658 | int ret = 0; | |
659 | DIR *D; | |
660 | ||
661 | D = opendir(dirname); | |
662 | if (!D) { | |
0ddb270c JA |
663 | char buf[FIO_VERROR_SIZE]; |
664 | ||
665 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
666 | td_verror(td, errno, buf); | |
bbf6b540 JA |
667 | return 1; |
668 | } | |
669 | ||
670 | while ((dir = readdir(D)) != NULL) { | |
671 | char full_path[PATH_MAX]; | |
672 | struct stat sb; | |
673 | ||
e85b2b83 JA |
674 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
675 | continue; | |
96d32d51 | 676 | |
bbf6b540 JA |
677 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
678 | ||
679 | if (lstat(full_path, &sb) == -1) { | |
680 | if (errno != ENOENT) { | |
681 | td_verror(td, errno, "stat"); | |
682 | return 1; | |
683 | } | |
684 | } | |
685 | ||
686 | if (S_ISREG(sb.st_mode)) { | |
687 | add_file(td, full_path); | |
2dc1bbeb | 688 | td->o.nr_files++; |
bbf6b540 JA |
689 | continue; |
690 | } | |
0ddb270c JA |
691 | if (!S_ISDIR(sb.st_mode)) |
692 | continue; | |
bbf6b540 | 693 | |
bbf6b540 JA |
694 | if ((ret = recurse_dir(td, full_path)) != 0) |
695 | break; | |
696 | } | |
697 | ||
698 | closedir(D); | |
699 | return ret; | |
700 | } | |
701 | ||
702 | int add_dir_files(struct thread_data *td, const char *path) | |
703 | { | |
0ddb270c JA |
704 | int ret = recurse_dir(td, path); |
705 | ||
706 | if (!ret) | |
707 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
708 | ||
709 | return ret; | |
bbf6b540 | 710 | } |
cade3ef4 JA |
711 | |
712 | void dup_files(struct thread_data *td, struct thread_data *org) | |
713 | { | |
714 | struct fio_file *f; | |
715 | unsigned int i; | |
716 | size_t bytes; | |
717 | ||
718 | if (!org->files) | |
719 | return; | |
720 | ||
b0fe421a | 721 | bytes = org->files_index * sizeof(f); |
cade3ef4 JA |
722 | td->files = malloc(bytes); |
723 | memcpy(td->files, org->files, bytes); | |
724 | ||
725 | for_each_file(td, f, i) { | |
b0fe421a JA |
726 | struct fio_file *__f; |
727 | ||
f17c4392 | 728 | __f = smalloc(sizeof(*__f)); |
b0fe421a | 729 | |
cade3ef4 | 730 | if (f->file_name) |
f17c4392 | 731 | __f->file_name = smalloc_strdup(f->file_name); |
b0fe421a JA |
732 | |
733 | td->files[i] = __f; | |
cade3ef4 JA |
734 | } |
735 | } | |
f29b25a3 JA |
736 | |
737 | /* | |
738 | * Returns the index that matches the filename, or -1 if not there | |
739 | */ | |
740 | int get_fileno(struct thread_data *td, const char *fname) | |
741 | { | |
742 | struct fio_file *f; | |
743 | unsigned int i; | |
744 | ||
745 | for_each_file(td, f, i) | |
746 | if (!strcmp(f->file_name, fname)) | |
747 | return i; | |
748 | ||
749 | return -1; | |
750 | } | |
751 | ||
752 | /* | |
753 | * For log usage, where we add/open/close files automatically | |
754 | */ | |
755 | void free_release_files(struct thread_data *td) | |
756 | { | |
757 | close_files(td); | |
758 | td->files_index = 0; | |
759 | td->nr_normal_files = 0; | |
760 | } |