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" | |
53cdc686 | 11 | |
7172cfe8 JA |
12 | static int root_warn; |
13 | ||
7bb48f84 | 14 | static int extend_file(struct thread_data *td, struct fio_file *f) |
25205e97 | 15 | { |
ea443657 | 16 | int r, new_layout = 0, unlink_file = 0, flags; |
25205e97 JA |
17 | unsigned long long left; |
18 | unsigned int bs; | |
19 | char *b; | |
b2a15192 | 20 | |
4241ea8f JA |
21 | if (read_only) { |
22 | log_err("fio: refusing extend of file due to read-only\n"); | |
23 | return 0; | |
24 | } | |
25 | ||
507a702f JA |
26 | /* |
27 | * check if we need to lay the file out complete again. fio | |
28 | * does that for operations involving reads, or for writes | |
29 | * where overwrite is set | |
30 | */ | |
31 | if (td_read(td) || (td_write(td) && td->o.overwrite)) | |
32 | new_layout = 1; | |
ea443657 JA |
33 | if (td_write(td) && !td->o.overwrite) |
34 | unlink_file = 1; | |
507a702f | 35 | |
6ae1f57f | 36 | if (unlink_file || new_layout) { |
982016d6 | 37 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
7bb48f84 JA |
38 | td_verror(td, errno, "unlink"); |
39 | return 1; | |
40 | } | |
41 | } | |
42 | ||
507a702f JA |
43 | flags = O_WRONLY | O_CREAT; |
44 | if (new_layout) | |
45 | flags |= O_TRUNC; | |
46 | ||
ee56ad50 | 47 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
507a702f | 48 | f->fd = open(f->file_name, flags, 0644); |
53cdc686 | 49 | if (f->fd < 0) { |
e1161c32 | 50 | td_verror(td, errno, "open"); |
53cdc686 JA |
51 | return 1; |
52 | } | |
53 | ||
fc74ac1d SL |
54 | if (!new_layout) |
55 | goto done; | |
56 | ||
ee56ad50 JA |
57 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, |
58 | f->real_file_size); | |
7bb48f84 | 59 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
e1161c32 | 60 | td_verror(td, errno, "ftruncate"); |
53cdc686 JA |
61 | goto err; |
62 | } | |
63 | ||
ee56ad50 JA |
64 | dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name, |
65 | f->real_file_size); | |
7bb48f84 | 66 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
e1161c32 | 67 | td_verror(td, errno, "posix_fallocate"); |
40f8298c JA |
68 | goto err; |
69 | } | |
70 | ||
2dc1bbeb JA |
71 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
72 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); | |
53cdc686 | 73 | |
7bb48f84 | 74 | left = f->real_file_size; |
53cdc686 | 75 | while (left && !td->terminate) { |
2dc1bbeb | 76 | bs = td->o.max_bs[DDIR_WRITE]; |
53cdc686 JA |
77 | if (bs > left) |
78 | bs = left; | |
79 | ||
80 | r = write(f->fd, b, bs); | |
81 | ||
82 | if (r == (int) bs) { | |
83 | left -= bs; | |
84 | continue; | |
85 | } else { | |
86 | if (r < 0) | |
e1161c32 | 87 | td_verror(td, errno, "write"); |
53cdc686 | 88 | else |
e1161c32 | 89 | td_verror(td, EIO, "write"); |
53cdc686 JA |
90 | |
91 | break; | |
92 | } | |
93 | } | |
94 | ||
95 | if (td->terminate) | |
96 | unlink(f->file_name); | |
2dc1bbeb | 97 | else if (td->o.create_fsync) |
53cdc686 JA |
98 | fsync(f->fd); |
99 | ||
100 | free(b); | |
507a702f | 101 | done: |
53cdc686 JA |
102 | close(f->fd); |
103 | f->fd = -1; | |
104 | return 0; | |
105 | err: | |
106 | close(f->fd); | |
107 | f->fd = -1; | |
108 | return 1; | |
109 | } | |
110 | ||
7bb48f84 | 111 | static unsigned long long get_rand_file_size(struct thread_data *td) |
9c60ce64 | 112 | { |
9c60ce64 JA |
113 | unsigned long long ret; |
114 | long r; | |
115 | ||
9c60ce64 | 116 | r = os_random_long(&td->file_size_state); |
d11a531f | 117 | 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 | 118 | ret -= (ret % td->o.rw_min_bs); |
9c60ce64 JA |
119 | return ret; |
120 | } | |
121 | ||
53cdc686 JA |
122 | static int file_size(struct thread_data *td, struct fio_file *f) |
123 | { | |
124 | struct stat st; | |
125 | ||
7bb48f84 JA |
126 | if (fstat(f->fd, &st) == -1) { |
127 | td_verror(td, errno, "fstat"); | |
128 | return 1; | |
129 | } | |
53cdc686 | 130 | |
7bb48f84 | 131 | f->real_file_size = st.st_size; |
53cdc686 JA |
132 | return 0; |
133 | } | |
134 | ||
135 | static int bdev_size(struct thread_data *td, struct fio_file *f) | |
136 | { | |
137 | unsigned long long bytes; | |
138 | int r; | |
139 | ||
140 | r = blockdev_size(f->fd, &bytes); | |
141 | if (r) { | |
e1161c32 | 142 | td_verror(td, r, "blockdev_size"); |
53cdc686 JA |
143 | return 1; |
144 | } | |
145 | ||
146 | f->real_file_size = bytes; | |
53cdc686 JA |
147 | return 0; |
148 | } | |
149 | ||
150 | static int get_file_size(struct thread_data *td, struct fio_file *f) | |
151 | { | |
152 | int ret = 0; | |
153 | ||
409b3417 JA |
154 | if (f->flags & FIO_SIZE_KNOWN) |
155 | return 0; | |
156 | ||
7bb48f84 JA |
157 | if (f->filetype == FIO_TYPE_FILE) |
158 | ret = file_size(td, f); | |
159 | else if (f->filetype == FIO_TYPE_BD) | |
53cdc686 JA |
160 | ret = bdev_size(td, f); |
161 | else | |
162 | f->real_file_size = -1; | |
163 | ||
164 | if (ret) | |
165 | return ret; | |
166 | ||
167 | if (f->file_offset > f->real_file_size) { | |
2dc1bbeb | 168 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size); |
53cdc686 JA |
169 | return 1; |
170 | } | |
171 | ||
409b3417 | 172 | f->flags |= FIO_SIZE_KNOWN; |
53cdc686 JA |
173 | return 0; |
174 | } | |
175 | ||
e5b401d4 JA |
176 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
177 | { | |
178 | int ret = 0; | |
179 | ||
ee56ad50 JA |
180 | dprint(FD_IO, "invalidate cache (%d)\n", td->o.odirect); |
181 | ||
2dc1bbeb | 182 | if (td->o.odirect) |
b5af8293 JA |
183 | return 0; |
184 | ||
e5b401d4 JA |
185 | /* |
186 | * FIXME: add blockdev flushing too | |
187 | */ | |
b5af8293 | 188 | if (f->mmap) |
7bb48f84 | 189 | ret = madvise(f->mmap, f->io_size, MADV_DONTNEED); |
467d1b6b | 190 | else if (f->filetype == FIO_TYPE_FILE) |
7bb48f84 | 191 | ret = fadvise(f->fd, f->file_offset, f->io_size, POSIX_FADV_DONTNEED); |
7e0e25c9 | 192 | else if (f->filetype == FIO_TYPE_BD) { |
b5af8293 | 193 | ret = blockdev_invalidate_cache(f->fd); |
7e0e25c9 | 194 | if (ret < 0 && errno == EACCES && geteuid()) { |
7172cfe8 JA |
195 | if (!root_warn) { |
196 | log_err("fio: only root may flush block devices. Cache flush bypassed!\n"); | |
197 | root_warn = 1; | |
198 | } | |
7e0e25c9 JA |
199 | ret = 0; |
200 | } | |
b5605e9d | 201 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
e5b401d4 JA |
202 | ret = 0; |
203 | ||
204 | if (ret < 0) { | |
e1161c32 | 205 | td_verror(td, errno, "invalidate_cache"); |
e5b401d4 JA |
206 | return 1; |
207 | } | |
208 | ||
ad2da605 | 209 | return ret; |
e5b401d4 JA |
210 | } |
211 | ||
6977bcd0 | 212 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 213 | { |
6977bcd0 JA |
214 | int ret = 0; |
215 | ||
ee56ad50 | 216 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
6977bcd0 JA |
217 | if (close(f->fd) < 0) |
218 | ret = errno; | |
219 | ||
b5af8293 | 220 | f->fd = -1; |
6977bcd0 | 221 | return ret; |
53cdc686 JA |
222 | } |
223 | ||
b5af8293 | 224 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
53cdc686 | 225 | { |
66159828 | 226 | int is_std = 0; |
53cdc686 JA |
227 | int flags = 0; |
228 | ||
ee56ad50 JA |
229 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
230 | ||
66159828 JA |
231 | if (!strcmp(f->file_name, "-")) { |
232 | if (td_rw(td)) { | |
233 | log_err("fio: can't read/write to stdin/out\n"); | |
234 | return 1; | |
235 | } | |
236 | is_std = 1; | |
ce98fa66 JA |
237 | |
238 | /* | |
239 | * move output logging to stderr, if we are writing to stdout | |
240 | */ | |
241 | if (td_write(td)) | |
242 | f_out = stderr; | |
66159828 JA |
243 | } |
244 | ||
2dc1bbeb | 245 | if (td->o.odirect) |
2fd233b7 | 246 | flags |= OS_O_DIRECT; |
2dc1bbeb | 247 | if (td->o.sync_io) |
2fd233b7 | 248 | flags |= O_SYNC; |
ad92396c JA |
249 | if (f->filetype != FIO_TYPE_FILE) |
250 | flags |= O_NOATIME; | |
53cdc686 | 251 | |
056f3459 | 252 | open_again: |
660a1cb5 | 253 | if (td_write(td)) { |
4241ea8f JA |
254 | assert(!read_only); |
255 | ||
2fd233b7 | 256 | flags |= O_RDWR; |
53cdc686 | 257 | |
af52b345 | 258 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 259 | flags |= O_CREAT; |
2fd233b7 | 260 | |
66159828 JA |
261 | if (is_std) |
262 | f->fd = dup(STDOUT_FILENO); | |
263 | else | |
264 | f->fd = open(f->file_name, flags, 0600); | |
2fd233b7 | 265 | } else { |
4241ea8f | 266 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
267 | flags |= O_RDWR; |
268 | else | |
269 | flags |= O_RDONLY; | |
270 | ||
66159828 JA |
271 | if (is_std) |
272 | f->fd = dup(STDIN_FILENO); | |
273 | else | |
274 | f->fd = open(f->file_name, flags); | |
53cdc686 JA |
275 | } |
276 | ||
277 | if (f->fd == -1) { | |
e4e33258 | 278 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
279 | int __e = errno; |
280 | ||
056f3459 AC |
281 | if (errno == EPERM && (flags & O_NOATIME)) { |
282 | flags &= ~O_NOATIME; | |
283 | goto open_again; | |
284 | } | |
285 | ||
e4e33258 JA |
286 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
287 | ||
288 | td_verror(td, __e, buf); | |
53cdc686 JA |
289 | } |
290 | ||
b5af8293 JA |
291 | if (get_file_size(td, f)) |
292 | goto err; | |
293 | ||
53cdc686 | 294 | return 0; |
b5af8293 JA |
295 | err: |
296 | close(f->fd); | |
297 | return 1; | |
298 | } | |
299 | ||
21972cde JA |
300 | int open_files(struct thread_data *td) |
301 | { | |
302 | struct fio_file *f; | |
af52b345 JA |
303 | unsigned int i; |
304 | int err = 0; | |
21972cde | 305 | |
ee56ad50 JA |
306 | dprint(FD_FILE, "open files\n"); |
307 | ||
21972cde | 308 | for_each_file(td, f, i) { |
b5af8293 | 309 | err = td_io_open_file(td, f); |
9bf27b45 JA |
310 | if (err) { |
311 | if (td->error == EMFILE) { | |
312 | log_err("fio: limited open files to: %d\n", td->nr_open_files); | |
313 | td->o.open_files = td->nr_open_files; | |
314 | err = 0; | |
315 | clear_error(td); | |
316 | } | |
21972cde | 317 | break; |
9bf27b45 | 318 | } |
b5af8293 | 319 | |
2dc1bbeb | 320 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 321 | break; |
21972cde JA |
322 | } |
323 | ||
7abf833d JA |
324 | if (!err) |
325 | return 0; | |
326 | ||
bdb4e2e9 | 327 | for_each_file(td, f, i) |
b5af8293 | 328 | td_io_close_file(td, f); |
7abf833d | 329 | |
21972cde JA |
330 | return err; |
331 | } | |
332 | ||
7bb48f84 JA |
333 | /* |
334 | * open/close all files, so that ->real_file_size gets set | |
335 | */ | |
bab3fd58 | 336 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
337 | { |
338 | struct fio_file *f; | |
339 | unsigned int i; | |
bab3fd58 | 340 | int err = 0; |
7bb48f84 JA |
341 | |
342 | for_each_file(td, f, i) { | |
bab3fd58 | 343 | if (td->io_ops->open_file(td, f)) { |
40b44f4a JA |
344 | if (td->error != ENOENT) { |
345 | log_err("%s\n", td->verror); | |
346 | err = 1; | |
347 | } | |
541d66d7 | 348 | clear_error(td); |
07eb79df JA |
349 | } else { |
350 | if (td->io_ops->close_file) | |
351 | td->io_ops->close_file(td, f); | |
352 | } | |
409b3417 JA |
353 | |
354 | if (f->real_file_size == -1ULL && td->o.size) | |
355 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 356 | } |
bab3fd58 JA |
357 | |
358 | return err; | |
7bb48f84 JA |
359 | } |
360 | ||
361 | /* | |
362 | * Open the files and setup files sizes, creating files if necessary. | |
363 | */ | |
53cdc686 JA |
364 | int setup_files(struct thread_data *td) |
365 | { | |
7bb48f84 | 366 | unsigned long long total_size, extend_size; |
53cdc686 | 367 | struct fio_file *f; |
af52b345 | 368 | unsigned int i; |
000b0803 | 369 | int err = 0, need_extend; |
53cdc686 | 370 | |
ee56ad50 JA |
371 | dprint(FD_FILE, "setup files\n"); |
372 | ||
53cdc686 JA |
373 | /* |
374 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
375 | * opening the files and setting f->real_file_size to indicate |
376 | * the valid range for that file. | |
53cdc686 JA |
377 | */ |
378 | if (td->io_ops->setup) | |
7bb48f84 JA |
379 | err = td->io_ops->setup(td); |
380 | else | |
bab3fd58 | 381 | err = get_file_sizes(td); |
53cdc686 | 382 | |
f1027063 JA |
383 | if (err) |
384 | return err; | |
385 | ||
0a7eb121 | 386 | /* |
7bb48f84 JA |
387 | * check sizes. if the files/devices do not exist and the size |
388 | * isn't passed to fio, abort. | |
0a7eb121 | 389 | */ |
7bb48f84 JA |
390 | total_size = 0; |
391 | for_each_file(td, f, i) { | |
392 | if (f->real_file_size == -1ULL) | |
393 | total_size = -1ULL; | |
394 | else | |
395 | total_size += f->real_file_size; | |
396 | } | |
0a7eb121 | 397 | |
7bb48f84 JA |
398 | /* |
399 | * device/file sizes are zero and no size given, punt | |
400 | */ | |
1f809d15 | 401 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
aa31f1f1 | 402 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
7bb48f84 | 403 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 404 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
405 | return 1; |
406 | } | |
407 | ||
7bb48f84 JA |
408 | /* |
409 | * now file sizes are known, so we can set ->io_size. if size= is | |
410 | * not given, ->io_size is just equal to ->real_file_size. if size | |
411 | * is given, ->io_size is size / nr_files. | |
412 | */ | |
413 | extend_size = total_size = 0; | |
414 | need_extend = 0; | |
415 | for_each_file(td, f, i) { | |
bcdedd0a YHJT |
416 | f->file_offset = td->o.start_offset; |
417 | ||
7bb48f84 JA |
418 | if (!td->o.file_size_low) { |
419 | /* | |
420 | * no file size range given, file size is equal to | |
421 | * total size divided by number of files. if that is | |
422 | * zero, set it to the real file size. | |
423 | */ | |
424 | f->io_size = td->o.size / td->o.nr_files; | |
65bdb10a | 425 | if (!f->io_size) |
273f8c91 | 426 | f->io_size = f->real_file_size - f->file_offset; |
7bb48f84 JA |
427 | } else if (f->real_file_size < td->o.file_size_low || |
428 | f->real_file_size > td->o.file_size_high) { | |
bcdedd0a YHJT |
429 | if (f->file_offset > td->o.file_size_low) |
430 | goto err_offset; | |
7bb48f84 JA |
431 | /* |
432 | * file size given. if it's fixed, use that. if it's a | |
433 | * range, generate a random size in-between. | |
434 | */ | |
435 | if (td->o.file_size_low == td->o.file_size_high) | |
bcdedd0a | 436 | f->io_size = td->o.file_size_low - f->file_offset; |
7bb48f84 | 437 | else |
bcdedd0a | 438 | f->io_size = get_rand_file_size(td) - f->file_offset; |
65bdb10a | 439 | } else |
bcdedd0a | 440 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 441 | |
7bb48f84 JA |
442 | if (f->io_size == -1ULL) |
443 | total_size = -1ULL; | |
444 | else | |
445 | total_size += f->io_size; | |
446 | ||
447 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 448 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 JA |
449 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
450 | need_extend++; | |
bcdedd0a | 451 | extend_size += (f->io_size + f->file_offset); |
7bb48f84 | 452 | f->flags |= FIO_FILE_EXTEND; |
bcdedd0a | 453 | } |
7bb48f84 | 454 | } |
53cdc686 | 455 | |
2298290e | 456 | if (!td->o.size || td->o.size > total_size) |
7bb48f84 | 457 | td->o.size = total_size; |
21972cde | 458 | |
7bb48f84 JA |
459 | /* |
460 | * See if we need to extend some files | |
461 | */ | |
462 | if (need_extend) { | |
463 | temp_stall_ts = 1; | |
f627d8ae | 464 | log_info("%s: Laying out IO file(s) (%u file(s) / %LuMiB)\n", |
7bb48f84 JA |
465 | td->o.name, need_extend, extend_size >> 20); |
466 | ||
467 | for_each_file(td, f, i) { | |
468 | if (!(f->flags & FIO_FILE_EXTEND)) | |
469 | continue; | |
470 | ||
409b3417 | 471 | assert(f->filetype == FIO_TYPE_FILE); |
7bb48f84 | 472 | f->flags &= ~FIO_FILE_EXTEND; |
bcdedd0a | 473 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
474 | err = extend_file(td, f); |
475 | if (err) | |
476 | break; | |
477 | } | |
478 | temp_stall_ts = 0; | |
479 | } | |
480 | ||
481 | if (err) | |
482 | return err; | |
483 | ||
484 | if (!td->o.zone_size) | |
485 | td->o.zone_size = td->o.size; | |
486 | ||
ea966f81 JA |
487 | /* |
488 | * iolog already set the total io size, if we read back | |
489 | * stored entries. | |
490 | */ | |
491 | if (!td->o.read_iolog_file) | |
492 | td->total_io_size = td->o.size * td->o.loops; | |
7bb48f84 | 493 | return 0; |
bcdedd0a YHJT |
494 | err_offset: |
495 | log_err("%s: you need to specify valid offset=\n", td->o.name); | |
496 | return 1; | |
53cdc686 JA |
497 | } |
498 | ||
68727076 JA |
499 | int init_random_map(struct thread_data *td) |
500 | { | |
509eab12 | 501 | unsigned long long blocks, num_maps; |
68727076 JA |
502 | struct fio_file *f; |
503 | unsigned int i; | |
504 | ||
de8dd119 | 505 | if (td->o.norandommap || !td_random(td)) |
68727076 JA |
506 | return 0; |
507 | ||
508 | for_each_file(td, f, i) { | |
509eab12 JA |
509 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / (unsigned long long) td->o.rw_min_bs; |
510 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ (unsigned long long) BLOCKS_PER_MAP; | |
68727076 JA |
511 | f->file_map = malloc(num_maps * sizeof(long)); |
512 | if (!f->file_map) { | |
513 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
514 | return 1; | |
515 | } | |
516 | f->num_maps = num_maps; | |
517 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
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 | |
fa1da865 JA |
545 | free(f->file_name); |
546 | f->file_name = NULL; | |
547 | ||
c343981b | 548 | if (f->file_map) { |
b3dc7f07 | 549 | free(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 | ||
af52b345 JA |
588 | td->files = realloc(td->files, (cur_files + 1) * sizeof(*f)); |
589 | ||
590 | f = &td->files[cur_files]; | |
591 | memset(f, 0, sizeof(*f)); | |
592 | f->fd = -1; | |
bd0ee748 | 593 | |
07eb79df JA |
594 | /* |
595 | * init function, io engine may not be loaded yet | |
596 | */ | |
597 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
598 | f->real_file_size = -1ULL; | |
599 | ||
bd0ee748 JA |
600 | if (td->o.directory) |
601 | len = sprintf(file_name, "%s/", td->o.directory); | |
602 | ||
603 | sprintf(file_name + len, "%s", fname); | |
604 | f->file_name = strdup(file_name); | |
af52b345 | 605 | |
e3bab463 | 606 | get_file_type(f); |
af52b345 | 607 | |
7b4e4fe5 | 608 | td->files_index++; |
1549441c JA |
609 | if (f->filetype == FIO_TYPE_FILE) |
610 | td->nr_normal_files++; | |
f29b25a3 JA |
611 | |
612 | return cur_files; | |
af52b345 | 613 | } |
0ad920e7 JA |
614 | |
615 | void get_file(struct fio_file *f) | |
616 | { | |
8172fe97 | 617 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
97af62ce | 618 | assert(f->flags & FIO_FILE_OPEN); |
0ad920e7 JA |
619 | f->references++; |
620 | } | |
621 | ||
6977bcd0 | 622 | int put_file(struct thread_data *td, struct fio_file *f) |
0ad920e7 | 623 | { |
6977bcd0 JA |
624 | int ret = 0; |
625 | ||
8172fe97 | 626 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
ee56ad50 | 627 | |
0ad920e7 | 628 | if (!(f->flags & FIO_FILE_OPEN)) |
6977bcd0 | 629 | return 0; |
0ad920e7 JA |
630 | |
631 | assert(f->references); | |
632 | if (--f->references) | |
6977bcd0 | 633 | return 0; |
0ad920e7 | 634 | |
d424d4dd | 635 | if (should_fsync(td) && td->o.fsync_on_close) |
ebb1415f JA |
636 | fsync(f->fd); |
637 | ||
0ad920e7 | 638 | if (td->io_ops->close_file) |
6977bcd0 | 639 | ret = td->io_ops->close_file(td, f); |
1020a139 | 640 | |
0ad920e7 JA |
641 | td->nr_open_files--; |
642 | f->flags &= ~FIO_FILE_OPEN; | |
6977bcd0 | 643 | return ret; |
0ad920e7 | 644 | } |
bbf6b540 JA |
645 | |
646 | static int recurse_dir(struct thread_data *td, const char *dirname) | |
647 | { | |
648 | struct dirent *dir; | |
649 | int ret = 0; | |
650 | DIR *D; | |
651 | ||
652 | D = opendir(dirname); | |
653 | if (!D) { | |
0ddb270c JA |
654 | char buf[FIO_VERROR_SIZE]; |
655 | ||
656 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
657 | td_verror(td, errno, buf); | |
bbf6b540 JA |
658 | return 1; |
659 | } | |
660 | ||
661 | while ((dir = readdir(D)) != NULL) { | |
662 | char full_path[PATH_MAX]; | |
663 | struct stat sb; | |
664 | ||
e85b2b83 JA |
665 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
666 | continue; | |
96d32d51 | 667 | |
bbf6b540 JA |
668 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
669 | ||
670 | if (lstat(full_path, &sb) == -1) { | |
671 | if (errno != ENOENT) { | |
672 | td_verror(td, errno, "stat"); | |
673 | return 1; | |
674 | } | |
675 | } | |
676 | ||
677 | if (S_ISREG(sb.st_mode)) { | |
678 | add_file(td, full_path); | |
2dc1bbeb | 679 | td->o.nr_files++; |
bbf6b540 JA |
680 | continue; |
681 | } | |
0ddb270c JA |
682 | if (!S_ISDIR(sb.st_mode)) |
683 | continue; | |
bbf6b540 | 684 | |
bbf6b540 JA |
685 | if ((ret = recurse_dir(td, full_path)) != 0) |
686 | break; | |
687 | } | |
688 | ||
689 | closedir(D); | |
690 | return ret; | |
691 | } | |
692 | ||
693 | int add_dir_files(struct thread_data *td, const char *path) | |
694 | { | |
0ddb270c JA |
695 | int ret = recurse_dir(td, path); |
696 | ||
697 | if (!ret) | |
698 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
699 | ||
700 | return ret; | |
bbf6b540 | 701 | } |
cade3ef4 JA |
702 | |
703 | void dup_files(struct thread_data *td, struct thread_data *org) | |
704 | { | |
705 | struct fio_file *f; | |
706 | unsigned int i; | |
707 | size_t bytes; | |
708 | ||
709 | if (!org->files) | |
710 | return; | |
711 | ||
712 | bytes = org->files_index * sizeof(*f); | |
713 | td->files = malloc(bytes); | |
714 | memcpy(td->files, org->files, bytes); | |
715 | ||
716 | for_each_file(td, f, i) { | |
717 | if (f->file_name) | |
718 | f->file_name = strdup(f->file_name); | |
719 | } | |
720 | } | |
f29b25a3 JA |
721 | |
722 | /* | |
723 | * Returns the index that matches the filename, or -1 if not there | |
724 | */ | |
725 | int get_fileno(struct thread_data *td, const char *fname) | |
726 | { | |
727 | struct fio_file *f; | |
728 | unsigned int i; | |
729 | ||
730 | for_each_file(td, f, i) | |
731 | if (!strcmp(f->file_name, fname)) | |
732 | return i; | |
733 | ||
734 | return -1; | |
735 | } | |
736 | ||
737 | /* | |
738 | * For log usage, where we add/open/close files automatically | |
739 | */ | |
740 | void free_release_files(struct thread_data *td) | |
741 | { | |
742 | close_files(td); | |
743 | td->files_index = 0; | |
744 | td->nr_normal_files = 0; | |
745 | } |