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 | |
ea443657 | 36 | if ((unlink_file || new_layout) && (f->flags & FIO_FILE_EXISTS)) { |
7bb48f84 JA |
37 | if (unlink(f->file_name) < 0) { |
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 | ||
b5af8293 | 212 | void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
53cdc686 | 213 | { |
ee56ad50 | 214 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
b5af8293 JA |
215 | close(f->fd); |
216 | f->fd = -1; | |
53cdc686 JA |
217 | } |
218 | ||
b5af8293 | 219 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
53cdc686 | 220 | { |
66159828 | 221 | int is_std = 0; |
53cdc686 JA |
222 | int flags = 0; |
223 | ||
ee56ad50 JA |
224 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
225 | ||
66159828 JA |
226 | if (!strcmp(f->file_name, "-")) { |
227 | if (td_rw(td)) { | |
228 | log_err("fio: can't read/write to stdin/out\n"); | |
229 | return 1; | |
230 | } | |
231 | is_std = 1; | |
ce98fa66 JA |
232 | |
233 | /* | |
234 | * move output logging to stderr, if we are writing to stdout | |
235 | */ | |
236 | if (td_write(td)) | |
237 | f_out = stderr; | |
66159828 JA |
238 | } |
239 | ||
2dc1bbeb | 240 | if (td->o.odirect) |
2fd233b7 | 241 | flags |= OS_O_DIRECT; |
2dc1bbeb | 242 | if (td->o.sync_io) |
2fd233b7 | 243 | flags |= O_SYNC; |
ad92396c JA |
244 | if (f->filetype != FIO_TYPE_FILE) |
245 | flags |= O_NOATIME; | |
53cdc686 | 246 | |
056f3459 | 247 | open_again: |
660a1cb5 | 248 | if (td_write(td)) { |
4241ea8f JA |
249 | assert(!read_only); |
250 | ||
2fd233b7 | 251 | flags |= O_RDWR; |
53cdc686 | 252 | |
af52b345 | 253 | if (f->filetype == FIO_TYPE_FILE) |
2fd233b7 | 254 | flags |= O_CREAT; |
2fd233b7 | 255 | |
66159828 JA |
256 | if (is_std) |
257 | f->fd = dup(STDOUT_FILENO); | |
258 | else | |
259 | f->fd = open(f->file_name, flags, 0600); | |
2fd233b7 | 260 | } else { |
4241ea8f | 261 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
2fd233b7 JA |
262 | flags |= O_RDWR; |
263 | else | |
264 | flags |= O_RDONLY; | |
265 | ||
66159828 JA |
266 | if (is_std) |
267 | f->fd = dup(STDIN_FILENO); | |
268 | else | |
269 | f->fd = open(f->file_name, flags); | |
53cdc686 JA |
270 | } |
271 | ||
272 | if (f->fd == -1) { | |
e4e33258 | 273 | char buf[FIO_VERROR_SIZE]; |
e1161c32 JA |
274 | int __e = errno; |
275 | ||
056f3459 AC |
276 | if (errno == EPERM && (flags & O_NOATIME)) { |
277 | flags &= ~O_NOATIME; | |
278 | goto open_again; | |
279 | } | |
280 | ||
e4e33258 JA |
281 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
282 | ||
283 | td_verror(td, __e, buf); | |
53cdc686 JA |
284 | } |
285 | ||
b5af8293 JA |
286 | if (get_file_size(td, f)) |
287 | goto err; | |
288 | ||
53cdc686 | 289 | return 0; |
b5af8293 JA |
290 | err: |
291 | close(f->fd); | |
292 | return 1; | |
293 | } | |
294 | ||
21972cde JA |
295 | int open_files(struct thread_data *td) |
296 | { | |
297 | struct fio_file *f; | |
af52b345 JA |
298 | unsigned int i; |
299 | int err = 0; | |
21972cde | 300 | |
ee56ad50 JA |
301 | dprint(FD_FILE, "open files\n"); |
302 | ||
21972cde | 303 | for_each_file(td, f, i) { |
b5af8293 | 304 | err = td_io_open_file(td, f); |
9bf27b45 JA |
305 | if (err) { |
306 | if (td->error == EMFILE) { | |
307 | log_err("fio: limited open files to: %d\n", td->nr_open_files); | |
308 | td->o.open_files = td->nr_open_files; | |
309 | err = 0; | |
310 | clear_error(td); | |
311 | } | |
21972cde | 312 | break; |
9bf27b45 | 313 | } |
b5af8293 | 314 | |
2dc1bbeb | 315 | if (td->o.open_files == td->nr_open_files) |
b5af8293 | 316 | break; |
21972cde JA |
317 | } |
318 | ||
7abf833d JA |
319 | if (!err) |
320 | return 0; | |
321 | ||
bdb4e2e9 | 322 | for_each_file(td, f, i) |
b5af8293 | 323 | td_io_close_file(td, f); |
7abf833d | 324 | |
21972cde JA |
325 | return err; |
326 | } | |
327 | ||
7bb48f84 JA |
328 | /* |
329 | * open/close all files, so that ->real_file_size gets set | |
330 | */ | |
bab3fd58 | 331 | static int get_file_sizes(struct thread_data *td) |
7bb48f84 JA |
332 | { |
333 | struct fio_file *f; | |
334 | unsigned int i; | |
bab3fd58 | 335 | int err = 0; |
7bb48f84 JA |
336 | |
337 | for_each_file(td, f, i) { | |
bab3fd58 | 338 | if (td->io_ops->open_file(td, f)) { |
40b44f4a JA |
339 | if (td->error != ENOENT) { |
340 | log_err("%s\n", td->verror); | |
341 | err = 1; | |
342 | } | |
541d66d7 | 343 | clear_error(td); |
07eb79df JA |
344 | } else { |
345 | if (td->io_ops->close_file) | |
346 | td->io_ops->close_file(td, f); | |
347 | } | |
409b3417 JA |
348 | |
349 | if (f->real_file_size == -1ULL && td->o.size) | |
350 | f->real_file_size = td->o.size / td->o.nr_files; | |
7bb48f84 | 351 | } |
bab3fd58 JA |
352 | |
353 | return err; | |
7bb48f84 JA |
354 | } |
355 | ||
356 | /* | |
357 | * Open the files and setup files sizes, creating files if necessary. | |
358 | */ | |
53cdc686 JA |
359 | int setup_files(struct thread_data *td) |
360 | { | |
7bb48f84 | 361 | unsigned long long total_size, extend_size; |
53cdc686 | 362 | struct fio_file *f; |
af52b345 | 363 | unsigned int i; |
000b0803 | 364 | int err = 0, need_extend; |
53cdc686 | 365 | |
ee56ad50 JA |
366 | dprint(FD_FILE, "setup files\n"); |
367 | ||
53cdc686 JA |
368 | /* |
369 | * if ioengine defines a setup() method, it's responsible for | |
7bb48f84 JA |
370 | * opening the files and setting f->real_file_size to indicate |
371 | * the valid range for that file. | |
53cdc686 JA |
372 | */ |
373 | if (td->io_ops->setup) | |
7bb48f84 JA |
374 | err = td->io_ops->setup(td); |
375 | else | |
bab3fd58 | 376 | err = get_file_sizes(td); |
53cdc686 | 377 | |
f1027063 JA |
378 | if (err) |
379 | return err; | |
380 | ||
0a7eb121 | 381 | /* |
7bb48f84 JA |
382 | * check sizes. if the files/devices do not exist and the size |
383 | * isn't passed to fio, abort. | |
0a7eb121 | 384 | */ |
7bb48f84 JA |
385 | total_size = 0; |
386 | for_each_file(td, f, i) { | |
387 | if (f->real_file_size == -1ULL) | |
388 | total_size = -1ULL; | |
389 | else | |
390 | total_size += f->real_file_size; | |
391 | } | |
0a7eb121 | 392 | |
7bb48f84 JA |
393 | /* |
394 | * device/file sizes are zero and no size given, punt | |
395 | */ | |
1f809d15 | 396 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
aa31f1f1 | 397 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
7bb48f84 | 398 | log_err("%s: you need to specify size=\n", td->o.name); |
e1161c32 | 399 | td_verror(td, EINVAL, "total_file_size"); |
53cdc686 JA |
400 | return 1; |
401 | } | |
402 | ||
7bb48f84 JA |
403 | /* |
404 | * now file sizes are known, so we can set ->io_size. if size= is | |
405 | * not given, ->io_size is just equal to ->real_file_size. if size | |
406 | * is given, ->io_size is size / nr_files. | |
407 | */ | |
408 | extend_size = total_size = 0; | |
409 | need_extend = 0; | |
410 | for_each_file(td, f, i) { | |
bcdedd0a YHJT |
411 | f->file_offset = td->o.start_offset; |
412 | ||
7bb48f84 JA |
413 | if (!td->o.file_size_low) { |
414 | /* | |
415 | * no file size range given, file size is equal to | |
416 | * total size divided by number of files. if that is | |
417 | * zero, set it to the real file size. | |
418 | */ | |
419 | f->io_size = td->o.size / td->o.nr_files; | |
65bdb10a | 420 | if (!f->io_size) |
273f8c91 | 421 | f->io_size = f->real_file_size - f->file_offset; |
7bb48f84 JA |
422 | } else if (f->real_file_size < td->o.file_size_low || |
423 | f->real_file_size > td->o.file_size_high) { | |
bcdedd0a YHJT |
424 | if (f->file_offset > td->o.file_size_low) |
425 | goto err_offset; | |
7bb48f84 JA |
426 | /* |
427 | * file size given. if it's fixed, use that. if it's a | |
428 | * range, generate a random size in-between. | |
429 | */ | |
430 | if (td->o.file_size_low == td->o.file_size_high) | |
bcdedd0a | 431 | f->io_size = td->o.file_size_low - f->file_offset; |
7bb48f84 | 432 | else |
bcdedd0a | 433 | f->io_size = get_rand_file_size(td) - f->file_offset; |
65bdb10a | 434 | } else |
bcdedd0a | 435 | f->io_size = f->real_file_size - f->file_offset; |
53cdc686 | 436 | |
7bb48f84 JA |
437 | if (f->io_size == -1ULL) |
438 | total_size = -1ULL; | |
439 | else | |
440 | total_size += f->io_size; | |
441 | ||
442 | if (f->filetype == FIO_TYPE_FILE && | |
bcdedd0a | 443 | (f->io_size + f->file_offset) > f->real_file_size && |
7bb48f84 JA |
444 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
445 | need_extend++; | |
bcdedd0a | 446 | extend_size += (f->io_size + f->file_offset); |
7bb48f84 | 447 | f->flags |= FIO_FILE_EXTEND; |
bcdedd0a | 448 | } |
7bb48f84 | 449 | } |
53cdc686 | 450 | |
2298290e | 451 | if (!td->o.size || td->o.size > total_size) |
7bb48f84 | 452 | td->o.size = total_size; |
21972cde | 453 | |
7bb48f84 JA |
454 | /* |
455 | * See if we need to extend some files | |
456 | */ | |
457 | if (need_extend) { | |
458 | temp_stall_ts = 1; | |
f627d8ae | 459 | log_info("%s: Laying out IO file(s) (%u file(s) / %LuMiB)\n", |
7bb48f84 JA |
460 | td->o.name, need_extend, extend_size >> 20); |
461 | ||
462 | for_each_file(td, f, i) { | |
463 | if (!(f->flags & FIO_FILE_EXTEND)) | |
464 | continue; | |
465 | ||
409b3417 | 466 | assert(f->filetype == FIO_TYPE_FILE); |
7bb48f84 | 467 | f->flags &= ~FIO_FILE_EXTEND; |
bcdedd0a | 468 | f->real_file_size = (f->io_size + f->file_offset); |
7bb48f84 JA |
469 | err = extend_file(td, f); |
470 | if (err) | |
471 | break; | |
472 | } | |
473 | temp_stall_ts = 0; | |
474 | } | |
475 | ||
476 | if (err) | |
477 | return err; | |
478 | ||
479 | if (!td->o.zone_size) | |
480 | td->o.zone_size = td->o.size; | |
481 | ||
ea966f81 JA |
482 | /* |
483 | * iolog already set the total io size, if we read back | |
484 | * stored entries. | |
485 | */ | |
486 | if (!td->o.read_iolog_file) | |
487 | td->total_io_size = td->o.size * td->o.loops; | |
7bb48f84 | 488 | return 0; |
bcdedd0a YHJT |
489 | err_offset: |
490 | log_err("%s: you need to specify valid offset=\n", td->o.name); | |
491 | return 1; | |
53cdc686 JA |
492 | } |
493 | ||
68727076 JA |
494 | int init_random_map(struct thread_data *td) |
495 | { | |
509eab12 | 496 | unsigned long long blocks, num_maps; |
68727076 JA |
497 | struct fio_file *f; |
498 | unsigned int i; | |
499 | ||
500 | if (td->o.norandommap) | |
501 | return 0; | |
502 | ||
503 | for_each_file(td, f, i) { | |
509eab12 JA |
504 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / (unsigned long long) td->o.rw_min_bs; |
505 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ (unsigned long long) BLOCKS_PER_MAP; | |
68727076 JA |
506 | f->file_map = malloc(num_maps * sizeof(long)); |
507 | if (!f->file_map) { | |
508 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
509 | return 1; | |
510 | } | |
511 | f->num_maps = num_maps; | |
512 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
513 | } | |
514 | ||
515 | return 0; | |
516 | } | |
517 | ||
53cdc686 JA |
518 | void close_files(struct thread_data *td) |
519 | { | |
0ab8db89 | 520 | struct fio_file *f; |
af52b345 | 521 | unsigned int i; |
53cdc686 | 522 | |
ee56ad50 JA |
523 | dprint(FD_FILE, "close files\n"); |
524 | ||
0ab8db89 | 525 | for_each_file(td, f, i) { |
a9b7b305 | 526 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) |
132ad46d | 527 | unlink(f->file_name); |
bdb4e2e9 | 528 | |
b5af8293 | 529 | td_io_close_file(td, f); |
b3dc7f07 | 530 | |
fa1da865 JA |
531 | free(f->file_name); |
532 | f->file_name = NULL; | |
533 | ||
c343981b | 534 | if (f->file_map) { |
b3dc7f07 | 535 | free(f->file_map); |
c343981b JA |
536 | f->file_map = NULL; |
537 | } | |
53cdc686 | 538 | } |
b4a6a59a | 539 | |
2dc1bbeb | 540 | td->o.filename = NULL; |
cade3ef4 | 541 | free(td->files); |
b4a6a59a | 542 | td->files = NULL; |
2dc1bbeb | 543 | td->o.nr_files = 0; |
53cdc686 | 544 | } |
af52b345 | 545 | |
e3bab463 | 546 | static void get_file_type(struct fio_file *f) |
af52b345 JA |
547 | { |
548 | struct stat sb; | |
549 | ||
66159828 JA |
550 | if (!strcmp(f->file_name, "-")) |
551 | f->filetype = FIO_TYPE_PIPE; | |
552 | else | |
553 | f->filetype = FIO_TYPE_FILE; | |
af52b345 | 554 | |
e3bab463 | 555 | if (!lstat(f->file_name, &sb)) { |
af52b345 JA |
556 | if (S_ISBLK(sb.st_mode)) |
557 | f->filetype = FIO_TYPE_BD; | |
558 | else if (S_ISCHR(sb.st_mode)) | |
559 | f->filetype = FIO_TYPE_CHAR; | |
b5605e9d JA |
560 | else if (S_ISFIFO(sb.st_mode)) |
561 | f->filetype = FIO_TYPE_PIPE; | |
af52b345 JA |
562 | } |
563 | } | |
564 | ||
f29b25a3 | 565 | int add_file(struct thread_data *td, const char *fname) |
af52b345 | 566 | { |
7b4e4fe5 | 567 | int cur_files = td->files_index; |
bd0ee748 | 568 | char file_name[PATH_MAX]; |
af52b345 | 569 | struct fio_file *f; |
bd0ee748 | 570 | int len = 0; |
af52b345 | 571 | |
ee56ad50 JA |
572 | dprint(FD_FILE, "add file %s\n", fname); |
573 | ||
af52b345 JA |
574 | td->files = realloc(td->files, (cur_files + 1) * sizeof(*f)); |
575 | ||
576 | f = &td->files[cur_files]; | |
577 | memset(f, 0, sizeof(*f)); | |
578 | f->fd = -1; | |
bd0ee748 | 579 | |
07eb79df JA |
580 | /* |
581 | * init function, io engine may not be loaded yet | |
582 | */ | |
583 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) | |
584 | f->real_file_size = -1ULL; | |
585 | ||
bd0ee748 JA |
586 | if (td->o.directory) |
587 | len = sprintf(file_name, "%s/", td->o.directory); | |
588 | ||
589 | sprintf(file_name + len, "%s", fname); | |
590 | f->file_name = strdup(file_name); | |
af52b345 | 591 | |
e3bab463 | 592 | get_file_type(f); |
af52b345 | 593 | |
7b4e4fe5 | 594 | td->files_index++; |
1549441c JA |
595 | if (f->filetype == FIO_TYPE_FILE) |
596 | td->nr_normal_files++; | |
f29b25a3 JA |
597 | |
598 | return cur_files; | |
af52b345 | 599 | } |
0ad920e7 JA |
600 | |
601 | void get_file(struct fio_file *f) | |
602 | { | |
ee56ad50 | 603 | dprint(FD_FILE, "get file %s/%d\n", f->file_name, f->references); |
97af62ce | 604 | assert(f->flags & FIO_FILE_OPEN); |
0ad920e7 JA |
605 | f->references++; |
606 | } | |
607 | ||
608 | void put_file(struct thread_data *td, struct fio_file *f) | |
609 | { | |
ee56ad50 JA |
610 | dprint(FD_FILE, "get put %s/%d\n", f->file_name, f->references); |
611 | ||
0ad920e7 JA |
612 | if (!(f->flags & FIO_FILE_OPEN)) |
613 | return; | |
614 | ||
615 | assert(f->references); | |
616 | if (--f->references) | |
617 | return; | |
618 | ||
d424d4dd | 619 | if (should_fsync(td) && td->o.fsync_on_close) |
ebb1415f JA |
620 | fsync(f->fd); |
621 | ||
0ad920e7 JA |
622 | if (td->io_ops->close_file) |
623 | td->io_ops->close_file(td, f); | |
1020a139 | 624 | |
0ad920e7 JA |
625 | td->nr_open_files--; |
626 | f->flags &= ~FIO_FILE_OPEN; | |
627 | } | |
bbf6b540 JA |
628 | |
629 | static int recurse_dir(struct thread_data *td, const char *dirname) | |
630 | { | |
631 | struct dirent *dir; | |
632 | int ret = 0; | |
633 | DIR *D; | |
634 | ||
635 | D = opendir(dirname); | |
636 | if (!D) { | |
0ddb270c JA |
637 | char buf[FIO_VERROR_SIZE]; |
638 | ||
639 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); | |
640 | td_verror(td, errno, buf); | |
bbf6b540 JA |
641 | return 1; |
642 | } | |
643 | ||
644 | while ((dir = readdir(D)) != NULL) { | |
645 | char full_path[PATH_MAX]; | |
646 | struct stat sb; | |
647 | ||
e85b2b83 JA |
648 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
649 | continue; | |
96d32d51 | 650 | |
bbf6b540 JA |
651 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
652 | ||
653 | if (lstat(full_path, &sb) == -1) { | |
654 | if (errno != ENOENT) { | |
655 | td_verror(td, errno, "stat"); | |
656 | return 1; | |
657 | } | |
658 | } | |
659 | ||
660 | if (S_ISREG(sb.st_mode)) { | |
661 | add_file(td, full_path); | |
2dc1bbeb | 662 | td->o.nr_files++; |
bbf6b540 JA |
663 | continue; |
664 | } | |
0ddb270c JA |
665 | if (!S_ISDIR(sb.st_mode)) |
666 | continue; | |
bbf6b540 | 667 | |
bbf6b540 JA |
668 | if ((ret = recurse_dir(td, full_path)) != 0) |
669 | break; | |
670 | } | |
671 | ||
672 | closedir(D); | |
673 | return ret; | |
674 | } | |
675 | ||
676 | int add_dir_files(struct thread_data *td, const char *path) | |
677 | { | |
0ddb270c JA |
678 | int ret = recurse_dir(td, path); |
679 | ||
680 | if (!ret) | |
681 | log_info("fio: opendir added %d files\n", td->o.nr_files); | |
682 | ||
683 | return ret; | |
bbf6b540 | 684 | } |
cade3ef4 JA |
685 | |
686 | void dup_files(struct thread_data *td, struct thread_data *org) | |
687 | { | |
688 | struct fio_file *f; | |
689 | unsigned int i; | |
690 | size_t bytes; | |
691 | ||
692 | if (!org->files) | |
693 | return; | |
694 | ||
695 | bytes = org->files_index * sizeof(*f); | |
696 | td->files = malloc(bytes); | |
697 | memcpy(td->files, org->files, bytes); | |
698 | ||
699 | for_each_file(td, f, i) { | |
700 | if (f->file_name) | |
701 | f->file_name = strdup(f->file_name); | |
702 | } | |
703 | } | |
f29b25a3 JA |
704 | |
705 | /* | |
706 | * Returns the index that matches the filename, or -1 if not there | |
707 | */ | |
708 | int get_fileno(struct thread_data *td, const char *fname) | |
709 | { | |
710 | struct fio_file *f; | |
711 | unsigned int i; | |
712 | ||
713 | for_each_file(td, f, i) | |
714 | if (!strcmp(f->file_name, fname)) | |
715 | return i; | |
716 | ||
717 | return -1; | |
718 | } | |
719 | ||
720 | /* | |
721 | * For log usage, where we add/open/close files automatically | |
722 | */ | |
723 | void free_release_files(struct thread_data *td) | |
724 | { | |
725 | close_files(td); | |
726 | td->files_index = 0; | |
727 | td->nr_normal_files = 0; | |
728 | } |