blob: 8b04560907b911f8bcc7a484f71964e36d055708 [file] [log] [blame]
Jens Axboe53cdc682006-10-18 11:50:58 +02001#include <unistd.h>
2#include <fcntl.h>
3#include <string.h>
4#include <assert.h>
Jens Axboebbf6b542007-03-13 15:28:55 +01005#include <dirent.h>
Jens Axboe53cdc682006-10-18 11:50:58 +02006#include <sys/stat.h>
7#include <sys/mman.h>
Jens Axboebbf6b542007-03-13 15:28:55 +01008#include <sys/types.h>
Jens Axboe53cdc682006-10-18 11:50:58 +02009
10#include "fio.h"
Jens Axboef17c4392008-03-01 18:40:46 +010011#include "smalloc.h"
Jens Axboe4906e0b2008-03-01 18:59:51 +010012#include "filehash.h"
Jens Axboe53cdc682006-10-18 11:50:58 +020013
Jens Axboe7172cfe2007-07-23 14:36:00 +020014static int root_warn;
15
Jens Axboe3baddf22008-04-04 11:10:30 +020016/*
17 * Leaves f->fd open on success, caller must close
18 */
Jens Axboe7bb48f82007-03-27 15:30:28 +020019static int extend_file(struct thread_data *td, struct fio_file *f)
Jens Axboe25205e92006-10-19 20:50:14 +020020{
Jens Axboeea443652007-03-29 14:52:13 +020021 int r, new_layout = 0, unlink_file = 0, flags;
Jens Axboe25205e92006-10-19 20:50:14 +020022 unsigned long long left;
23 unsigned int bs;
24 char *b;
Jens Axboeb2a15192006-10-18 14:10:42 +020025
Jens Axboe4241ea82007-09-12 08:18:36 +020026 if (read_only) {
27 log_err("fio: refusing extend of file due to read-only\n");
28 return 0;
29 }
30
Jens Axboe507a7022007-03-27 15:52:46 +020031 /*
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 */
Jens Axboeffdfabd2008-03-26 09:18:14 +010036 if (td_read(td) || (td_write(td) && td->o.overwrite) ||
37 (td_write(td) && td->io_ops->flags & FIO_NOEXTEND))
Jens Axboe507a7022007-03-27 15:52:46 +020038 new_layout = 1;
Jens Axboeea443652007-03-29 14:52:13 +020039 if (td_write(td) && !td->o.overwrite)
40 unlink_file = 1;
Jens Axboe507a7022007-03-27 15:52:46 +020041
Jens Axboe6ae1f572008-02-21 10:20:00 +010042 if (unlink_file || new_layout) {
Jens Axboebd199f22008-03-26 09:57:18 +010043 dprint(FD_FILE, "layout unlink %s\n", f->file_name);
Zhang, Yanmin982016d2008-02-26 15:35:52 +010044 if ((unlink(f->file_name) < 0) && (errno != ENOENT)) {
Jens Axboe7bb48f82007-03-27 15:30:28 +020045 td_verror(td, errno, "unlink");
46 return 1;
47 }
48 }
49
Jens Axboe507a7022007-03-27 15:52:46 +020050 flags = O_WRONLY | O_CREAT;
51 if (new_layout)
52 flags |= O_TRUNC;
53
Jens Axboeee56ad52008-02-01 10:30:20 +010054 dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags);
Jens Axboe507a7022007-03-27 15:52:46 +020055 f->fd = open(f->file_name, flags, 0644);
Jens Axboe53cdc682006-10-18 11:50:58 +020056 if (f->fd < 0) {
Jens Axboee1161c32007-02-22 19:36:48 +010057 td_verror(td, errno, "open");
Jens Axboe53cdc682006-10-18 11:50:58 +020058 return 1;
59 }
60
Shawn Lewisfc74ac12008-01-11 09:45:11 +010061 if (!new_layout)
62 goto done;
63
Jens Axboeee56ad52008-02-01 10:30:20 +010064 dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name,
65 f->real_file_size);
Jens Axboe7bb48f82007-03-27 15:30:28 +020066 if (ftruncate(f->fd, f->real_file_size) == -1) {
Jens Axboee1161c32007-02-22 19:36:48 +010067 td_verror(td, errno, "ftruncate");
Jens Axboe53cdc682006-10-18 11:50:58 +020068 goto err;
69 }
70
Jens Axboefffca022008-06-02 12:23:40 +020071#ifdef FIO_HAVE_FALLOCATE
Jens Axboeee56ad52008-02-01 10:30:20 +010072 dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name,
73 f->real_file_size);
Jens Axboe739097e2008-05-30 22:58:37 +020074 r = posix_fallocate(f->fd, 0, f->real_file_size);
75 if (r < 0)
Jens Axboe65942472008-06-02 10:37:36 +020076 log_err("fio: posix_fallocate fails: %s\n", strerror(-r));
Jens Axboefffca022008-06-02 12:23:40 +020077#endif
Jens Axboe40f82982006-10-25 11:21:05 +020078
Jens Axboe2dc1bbe2007-03-15 15:01:33 +010079 b = malloc(td->o.max_bs[DDIR_WRITE]);
80 memset(b, 0, td->o.max_bs[DDIR_WRITE]);
Jens Axboe53cdc682006-10-18 11:50:58 +020081
Jens Axboe7bb48f82007-03-27 15:30:28 +020082 left = f->real_file_size;
Jens Axboe53cdc682006-10-18 11:50:58 +020083 while (left && !td->terminate) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +010084 bs = td->o.max_bs[DDIR_WRITE];
Jens Axboe53cdc682006-10-18 11:50:58 +020085 if (bs > left)
86 bs = left;
87
88 r = write(f->fd, b, bs);
89
90 if (r == (int) bs) {
91 left -= bs;
92 continue;
93 } else {
94 if (r < 0)
Jens Axboee1161c32007-02-22 19:36:48 +010095 td_verror(td, errno, "write");
Jens Axboe53cdc682006-10-18 11:50:58 +020096 else
Jens Axboee1161c32007-02-22 19:36:48 +010097 td_verror(td, EIO, "write");
Jens Axboe53cdc682006-10-18 11:50:58 +020098
99 break;
100 }
101 }
102
Jens Axboeffdfabd2008-03-26 09:18:14 +0100103 if (td->terminate) {
104 dprint(FD_FILE, "terminate unlink %s\n", f->file_name);
Jens Axboe53cdc682006-10-18 11:50:58 +0200105 unlink(f->file_name);
Jens Axboeffdfabd2008-03-26 09:18:14 +0100106 } else if (td->o.create_fsync) {
Jens Axboe98e1ac42008-03-06 11:56:48 +0100107 if (fsync(f->fd) < 0) {
108 td_verror(td, errno, "fsync");
109 goto err;
110 }
111 }
Jens Axboe53cdc682006-10-18 11:50:58 +0200112
113 free(b);
Jens Axboe507a7022007-03-27 15:52:46 +0200114done:
Jens Axboe53cdc682006-10-18 11:50:58 +0200115 return 0;
116err:
117 close(f->fd);
118 f->fd = -1;
119 return 1;
120}
121
Jens Axboe7bb48f82007-03-27 15:30:28 +0200122static unsigned long long get_rand_file_size(struct thread_data *td)
Jens Axboe9c60ce62007-03-15 09:14:47 +0100123{
Jens Axboedc873b62008-06-04 20:13:04 +0200124 unsigned long long ret, sized;
Jens Axboe9c60ce62007-03-15 09:14:47 +0100125 long r;
126
Jens Axboe9c60ce62007-03-15 09:14:47 +0100127 r = os_random_long(&td->file_size_state);
Jens Axboedc873b62008-06-04 20:13:04 +0200128 sized = td->o.file_size_high - td->o.file_size_low;
129 ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0)));
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100130 ret += td->o.file_size_low;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100131 ret -= (ret % td->o.rw_min_bs);
Jens Axboe9c60ce62007-03-15 09:14:47 +0100132 return ret;
133}
134
Jens Axboe53cdc682006-10-18 11:50:58 +0200135static int file_size(struct thread_data *td, struct fio_file *f)
136{
137 struct stat st;
138
Jens Axboe7bb48f82007-03-27 15:30:28 +0200139 if (fstat(f->fd, &st) == -1) {
140 td_verror(td, errno, "fstat");
141 return 1;
142 }
Jens Axboe53cdc682006-10-18 11:50:58 +0200143
Jens Axboe7bb48f82007-03-27 15:30:28 +0200144 f->real_file_size = st.st_size;
Jens Axboe53cdc682006-10-18 11:50:58 +0200145 return 0;
146}
147
148static int bdev_size(struct thread_data *td, struct fio_file *f)
149{
150 unsigned long long bytes;
151 int r;
152
153 r = blockdev_size(f->fd, &bytes);
154 if (r) {
Jens Axboee1161c32007-02-22 19:36:48 +0100155 td_verror(td, r, "blockdev_size");
Jens Axboe53cdc682006-10-18 11:50:58 +0200156 return 1;
157 }
158
159 f->real_file_size = bytes;
Jens Axboe53cdc682006-10-18 11:50:58 +0200160 return 0;
161}
162
163static int get_file_size(struct thread_data *td, struct fio_file *f)
164{
165 int ret = 0;
166
Jens Axboe409b3412007-03-28 09:57:01 +0200167 if (f->flags & FIO_SIZE_KNOWN)
168 return 0;
169
Jens Axboe7bb48f82007-03-27 15:30:28 +0200170 if (f->filetype == FIO_TYPE_FILE)
171 ret = file_size(td, f);
172 else if (f->filetype == FIO_TYPE_BD)
Jens Axboe53cdc682006-10-18 11:50:58 +0200173 ret = bdev_size(td, f);
174 else
175 f->real_file_size = -1;
176
177 if (ret)
178 return ret;
179
180 if (f->file_offset > f->real_file_size) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100181 log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name,
182 f->file_offset, f->real_file_size);
Jens Axboe53cdc682006-10-18 11:50:58 +0200183 return 1;
184 }
185
Jens Axboe409b3412007-03-28 09:57:01 +0200186 f->flags |= FIO_SIZE_KNOWN;
Jens Axboe53cdc682006-10-18 11:50:58 +0200187 return 0;
188}
189
Jens Axboe3baddf22008-04-04 11:10:30 +0200190static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
191 unsigned long long off,
192 unsigned long long len)
Jens Axboee5b401d2006-10-18 16:03:40 +0200193{
194 int ret = 0;
195
Jens Axboe3baddf22008-04-04 11:10:30 +0200196 if (len == -1ULL)
197 len = f->io_size;
198 if (off == -1ULL)
199 off = f->file_offset;
Jens Axboeee56ad52008-02-01 10:30:20 +0100200
Jens Axboe3baddf22008-04-04 11:10:30 +0200201 dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off,
202 len);
Jens Axboeb5af8292007-03-08 12:43:13 +0100203
Jens Axboee5b401d2006-10-18 16:03:40 +0200204 /*
205 * FIXME: add blockdev flushing too
206 */
Jens Axboeb5af8292007-03-08 12:43:13 +0100207 if (f->mmap)
Jens Axboe3baddf22008-04-04 11:10:30 +0200208 ret = madvise(f->mmap, len, MADV_DONTNEED);
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100209 else if (f->filetype == FIO_TYPE_FILE) {
Jens Axboe3baddf22008-04-04 11:10:30 +0200210 ret = fadvise(f->fd, off, len, POSIX_FADV_DONTNEED);
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100211 } else if (f->filetype == FIO_TYPE_BD) {
Jens Axboeb5af8292007-03-08 12:43:13 +0100212 ret = blockdev_invalidate_cache(f->fd);
Jens Axboe7e0e25c2007-03-27 12:49:56 +0200213 if (ret < 0 && errno == EACCES && geteuid()) {
Jens Axboe7172cfe2007-07-23 14:36:00 +0200214 if (!root_warn) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100215 log_err("fio: only root may flush block "
216 "devices. Cache flush bypassed!\n");
Jens Axboe7172cfe2007-07-23 14:36:00 +0200217 root_warn = 1;
218 }
Jens Axboe7e0e25c2007-03-27 12:49:56 +0200219 ret = 0;
220 }
Jens Axboeb5605e92007-04-16 20:42:33 +0200221 } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE)
Jens Axboee5b401d2006-10-18 16:03:40 +0200222 ret = 0;
223
224 if (ret < 0) {
Jens Axboee1161c32007-02-22 19:36:48 +0100225 td_verror(td, errno, "invalidate_cache");
Jens Axboee5b401d2006-10-18 16:03:40 +0200226 return 1;
Jens Axboe3baddf22008-04-04 11:10:30 +0200227 } else if (ret > 0) {
228 td_verror(td, ret, "invalidate_cache");
229 return 1;
Jens Axboee5b401d2006-10-18 16:03:40 +0200230 }
231
Jens Axboead2da602007-02-26 12:33:27 +0100232 return ret;
Jens Axboe3baddf22008-04-04 11:10:30 +0200233
234}
235
236int file_invalidate_cache(struct thread_data *td, struct fio_file *f)
237{
Jens Axboea5fb4612008-05-28 10:54:01 +0200238 if (!(f->flags & FIO_FILE_OPEN))
239 return 0;
240
Jens Axboe3baddf22008-04-04 11:10:30 +0200241 return __file_invalidate_cache(td, f, -1, -1);
Jens Axboee5b401d2006-10-18 16:03:40 +0200242}
243
Jens Axboe6977bcd2008-03-01 15:55:36 +0100244int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f)
Jens Axboe53cdc682006-10-18 11:50:58 +0200245{
Jens Axboe6977bcd2008-03-01 15:55:36 +0100246 int ret = 0;
247
Jens Axboeee56ad52008-02-01 10:30:20 +0100248 dprint(FD_FILE, "fd close %s\n", f->file_name);
Jens Axboe4906e0b2008-03-01 18:59:51 +0100249
250 remove_file_hash(f);
251
Jens Axboe6977bcd2008-03-01 15:55:36 +0100252 if (close(f->fd) < 0)
253 ret = errno;
254
Jens Axboeb5af8292007-03-08 12:43:13 +0100255 f->fd = -1;
Jens Axboe6977bcd2008-03-01 15:55:36 +0100256 return ret;
Jens Axboe53cdc682006-10-18 11:50:58 +0200257}
258
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100259static int file_lookup_open(struct fio_file *f, int flags)
Jens Axboe53cdc682006-10-18 11:50:58 +0200260{
Jens Axboe29c13492008-03-01 19:25:20 +0100261 struct fio_file *__f;
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100262 int from_hash;
263
264 __f = lookup_file_hash(f->file_name);
265 if (__f) {
Jens Axboe9efef3c2008-03-06 10:26:25 +0100266 dprint(FD_FILE, "found file in hash %s\n", f->file_name);
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100267 /*
268 * racy, need the __f->lock locked
269 */
270 f->lock = __f->lock;
271 f->lock_owner = __f->lock_owner;
272 f->lock_batch = __f->lock_batch;
273 f->lock_ddir = __f->lock_ddir;
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100274 from_hash = 1;
275 } else {
Jens Axboe9efef3c2008-03-06 10:26:25 +0100276 dprint(FD_FILE, "file not found in hash %s\n", f->file_name);
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100277 from_hash = 0;
278 }
279
Jens Axboee8670ef2008-03-06 12:06:30 +0100280 f->fd = open(f->file_name, flags, 0600);
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100281 return from_hash;
282}
283
284int generic_open_file(struct thread_data *td, struct fio_file *f)
285{
Jens Axboe66159822007-04-16 21:54:24 +0200286 int is_std = 0;
Jens Axboe53cdc682006-10-18 11:50:58 +0200287 int flags = 0;
Jens Axboe29c13492008-03-01 19:25:20 +0100288 int from_hash = 0;
Jens Axboe53cdc682006-10-18 11:50:58 +0200289
Jens Axboeee56ad52008-02-01 10:30:20 +0100290 dprint(FD_FILE, "fd open %s\n", f->file_name);
291
Jens Axboe66159822007-04-16 21:54:24 +0200292 if (!strcmp(f->file_name, "-")) {
293 if (td_rw(td)) {
294 log_err("fio: can't read/write to stdin/out\n");
295 return 1;
296 }
297 is_std = 1;
Jens Axboece98fa62007-04-17 13:27:32 +0200298
299 /*
300 * move output logging to stderr, if we are writing to stdout
301 */
302 if (td_write(td))
303 f_out = stderr;
Jens Axboe66159822007-04-16 21:54:24 +0200304 }
305
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100306 if (td->o.odirect)
Jens Axboe2fd233b2007-03-02 08:44:25 +0100307 flags |= OS_O_DIRECT;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100308 if (td->o.sync_io)
Jens Axboe2fd233b2007-03-02 08:44:25 +0100309 flags |= O_SYNC;
Jens Axboead923962007-10-11 21:41:41 +0200310 if (f->filetype != FIO_TYPE_FILE)
Jens Axboe5921e802008-05-30 15:02:38 +0200311 flags |= FIO_O_NOATIME;
Jens Axboe7abf8332006-11-23 15:01:19 +0100312
Aaron Carroll056f3452007-11-26 09:08:53 +0100313open_again:
Jens Axboe660a1cb2007-04-17 15:37:47 +0200314 if (td_write(td)) {
Jens Axboe17308152008-03-07 13:42:31 +0100315 if (!read_only)
316 flags |= O_RDWR;
Jens Axboe53cdc682006-10-18 11:50:58 +0200317
Jens Axboeaf52b342007-03-13 10:07:47 +0100318 if (f->filetype == FIO_TYPE_FILE)
Jens Axboe2fd233b2007-03-02 08:44:25 +0100319 flags |= O_CREAT;
Jens Axboe2fd233b2007-03-02 08:44:25 +0100320
Jens Axboe66159822007-04-16 21:54:24 +0200321 if (is_std)
322 f->fd = dup(STDOUT_FILENO);
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100323 else
324 from_hash = file_lookup_open(f, flags);
Jens Axboe2fd233b2007-03-02 08:44:25 +0100325 } else {
Jens Axboe4241ea82007-09-12 08:18:36 +0200326 if (f->filetype == FIO_TYPE_CHAR && !read_only)
Jens Axboe2fd233b2007-03-02 08:44:25 +0100327 flags |= O_RDWR;
328 else
329 flags |= O_RDONLY;
330
Jens Axboe66159822007-04-16 21:54:24 +0200331 if (is_std)
332 f->fd = dup(STDIN_FILENO);
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100333 else
334 from_hash = file_lookup_open(f, flags);
Jens Axboe53cdc682006-10-18 11:50:58 +0200335 }
336
337 if (f->fd == -1) {
Jens Axboee4e33252007-03-21 13:07:54 +0100338 char buf[FIO_VERROR_SIZE];
Jens Axboee1161c32007-02-22 19:36:48 +0100339 int __e = errno;
340
Jens Axboe5921e802008-05-30 15:02:38 +0200341 if (errno == EPERM && (flags & FIO_O_NOATIME)) {
342 flags &= ~FIO_O_NOATIME;
Aaron Carroll056f3452007-11-26 09:08:53 +0100343 goto open_again;
344 }
345
Jens Axboee8670ef2008-03-06 12:06:30 +0100346 snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name);
Jens Axboee4e33252007-03-21 13:07:54 +0100347
348 td_verror(td, __e, buf);
Jens Axboe53cdc682006-10-18 11:50:58 +0200349 }
350
Jens Axboeb5af8292007-03-08 12:43:13 +0100351 if (get_file_size(td, f))
352 goto err;
353
Jens Axboe29c13492008-03-01 19:25:20 +0100354 if (!from_hash && f->fd != -1) {
355 if (add_file_hash(f)) {
356 int ret;
357
358 /*
359 * OK to ignore, we haven't done anything with it
360 */
361 ret = generic_close_file(td, f);
362 goto open_again;
363 }
364 }
Jens Axboe4906e0b2008-03-01 18:59:51 +0100365
Jens Axboe53cdc682006-10-18 11:50:58 +0200366 return 0;
Jens Axboeb5af8292007-03-08 12:43:13 +0100367err:
368 close(f->fd);
369 return 1;
370}
371
Jens Axboe21972cd2006-11-23 12:39:16 +0100372int open_files(struct thread_data *td)
373{
374 struct fio_file *f;
Jens Axboeaf52b342007-03-13 10:07:47 +0100375 unsigned int i;
376 int err = 0;
Jens Axboe21972cd2006-11-23 12:39:16 +0100377
Jens Axboeee56ad52008-02-01 10:30:20 +0100378 dprint(FD_FILE, "open files\n");
379
Jens Axboe21972cd2006-11-23 12:39:16 +0100380 for_each_file(td, f, i) {
Jens Axboeb5af8292007-03-08 12:43:13 +0100381 err = td_io_open_file(td, f);
Jens Axboe9bf27b42007-03-27 19:49:31 +0200382 if (err) {
383 if (td->error == EMFILE) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100384 log_err("fio: limited open files to: %d\n",
385 td->nr_open_files);
Jens Axboe9bf27b42007-03-27 19:49:31 +0200386 td->o.open_files = td->nr_open_files;
387 err = 0;
388 clear_error(td);
389 }
Jens Axboe21972cd2006-11-23 12:39:16 +0100390 break;
Jens Axboe9bf27b42007-03-27 19:49:31 +0200391 }
Jens Axboeb5af8292007-03-08 12:43:13 +0100392
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100393 if (td->o.open_files == td->nr_open_files)
Jens Axboeb5af8292007-03-08 12:43:13 +0100394 break;
Jens Axboe21972cd2006-11-23 12:39:16 +0100395 }
396
Jens Axboe7abf8332006-11-23 15:01:19 +0100397 if (!err)
398 return 0;
399
Jens Axboebdb4e2e2007-03-01 09:54:57 +0100400 for_each_file(td, f, i)
Jens Axboeb5af8292007-03-08 12:43:13 +0100401 td_io_close_file(td, f);
Jens Axboe7abf8332006-11-23 15:01:19 +0100402
Jens Axboe21972cd2006-11-23 12:39:16 +0100403 return err;
404}
405
Jens Axboe7bb48f82007-03-27 15:30:28 +0200406/*
407 * open/close all files, so that ->real_file_size gets set
408 */
Jens Axboebab3fd52007-04-02 10:34:18 +0200409static int get_file_sizes(struct thread_data *td)
Jens Axboe53cdc682006-10-18 11:50:58 +0200410{
411 struct fio_file *f;
Jens Axboeaf52b342007-03-13 10:07:47 +0100412 unsigned int i;
Jens Axboebab3fd52007-04-02 10:34:18 +0200413 int err = 0;
Jens Axboe7bb48f82007-03-27 15:30:28 +0200414
415 for_each_file(td, f, i) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100416 dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i,
417 f->file_name);
Jens Axboe9efef3c2008-03-06 10:26:25 +0100418
Jens Axboebab3fd52007-04-02 10:34:18 +0200419 if (td->io_ops->open_file(td, f)) {
Jens Axboe40b44f42007-04-11 12:43:35 +0200420 if (td->error != ENOENT) {
421 log_err("%s\n", td->verror);
422 err = 1;
423 }
Jens Axboe541d66d2007-03-27 19:50:11 +0200424 clear_error(td);
Jens Axboe07eb79d2007-04-12 13:02:38 +0200425 } else {
426 if (td->io_ops->close_file)
427 td->io_ops->close_file(td, f);
428 }
Jens Axboe409b3412007-03-28 09:57:01 +0200429
430 if (f->real_file_size == -1ULL && td->o.size)
431 f->real_file_size = td->o.size / td->o.nr_files;
Jens Axboe7bb48f82007-03-27 15:30:28 +0200432 }
Jens Axboebab3fd52007-04-02 10:34:18 +0200433
434 return err;
Jens Axboe7bb48f82007-03-27 15:30:28 +0200435}
436
437/*
438 * Open the files and setup files sizes, creating files if necessary.
439 */
440int setup_files(struct thread_data *td)
441{
442 unsigned long long total_size, extend_size;
443 struct fio_file *f;
444 unsigned int i;
Jens Axboe000b0802007-03-27 15:56:10 +0200445 int err = 0, need_extend;
Jens Axboe53cdc682006-10-18 11:50:58 +0200446
Jens Axboeee56ad52008-02-01 10:30:20 +0100447 dprint(FD_FILE, "setup files\n");
448
Jens Axboe691c8fb2008-03-07 14:26:26 +0100449 if (td->o.read_iolog_file)
450 return 0;
451
Jens Axboe53cdc682006-10-18 11:50:58 +0200452 /*
453 * if ioengine defines a setup() method, it's responsible for
Jens Axboe7bb48f82007-03-27 15:30:28 +0200454 * opening the files and setting f->real_file_size to indicate
455 * the valid range for that file.
Jens Axboe53cdc682006-10-18 11:50:58 +0200456 */
457 if (td->io_ops->setup)
Jens Axboe7bb48f82007-03-27 15:30:28 +0200458 err = td->io_ops->setup(td);
459 else
Jens Axboebab3fd52007-04-02 10:34:18 +0200460 err = get_file_sizes(td);
Jens Axboe53cdc682006-10-18 11:50:58 +0200461
Jens Axboef1027062006-10-20 10:14:01 +0200462 if (err)
463 return err;
464
Jens Axboe0a7eb122006-10-20 10:36:42 +0200465 /*
Jens Axboe7bb48f82007-03-27 15:30:28 +0200466 * check sizes. if the files/devices do not exist and the size
467 * isn't passed to fio, abort.
Jens Axboe0a7eb122006-10-20 10:36:42 +0200468 */
Jens Axboe7bb48f82007-03-27 15:30:28 +0200469 total_size = 0;
470 for_each_file(td, f, i) {
471 if (f->real_file_size == -1ULL)
472 total_size = -1ULL;
473 else
474 total_size += f->real_file_size;
475 }
Jens Axboe0a7eb122006-10-20 10:36:42 +0200476
Jens Axboe7bb48f82007-03-27 15:30:28 +0200477 /*
478 * device/file sizes are zero and no size given, punt
479 */
Jens Axboe1f809d12007-10-25 18:34:02 +0200480 if ((!total_size || total_size == -1ULL) && !td->o.size &&
Shawn Lewisaa31f1f2008-01-11 09:45:11 +0100481 !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) {
Jens Axboe7bb48f82007-03-27 15:30:28 +0200482 log_err("%s: you need to specify size=\n", td->o.name);
Jens Axboee1161c32007-02-22 19:36:48 +0100483 td_verror(td, EINVAL, "total_file_size");
Jens Axboe53cdc682006-10-18 11:50:58 +0200484 return 1;
485 }
486
Jens Axboe7bb48f82007-03-27 15:30:28 +0200487 /*
488 * now file sizes are known, so we can set ->io_size. if size= is
489 * not given, ->io_size is just equal to ->real_file_size. if size
490 * is given, ->io_size is size / nr_files.
491 */
492 extend_size = total_size = 0;
493 need_extend = 0;
494 for_each_file(td, f, i) {
ljzhang,Yaxin Hu,Jianchao Tangbcdedd02007-07-27 13:28:26 +0200495 f->file_offset = td->o.start_offset;
496
Jens Axboe7bb48f82007-03-27 15:30:28 +0200497 if (!td->o.file_size_low) {
498 /*
499 * no file size range given, file size is equal to
500 * total size divided by number of files. if that is
501 * zero, set it to the real file size.
502 */
503 f->io_size = td->o.size / td->o.nr_files;
Jens Axboe65bdb102008-01-24 13:13:12 +0100504 if (!f->io_size)
Jens Axboe273f8c92008-01-25 14:02:15 +0100505 f->io_size = f->real_file_size - f->file_offset;
Jens Axboe7bb48f82007-03-27 15:30:28 +0200506 } else if (f->real_file_size < td->o.file_size_low ||
507 f->real_file_size > td->o.file_size_high) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100508 if (f->file_offset > td->o.file_size_low)
ljzhang,Yaxin Hu,Jianchao Tangbcdedd02007-07-27 13:28:26 +0200509 goto err_offset;
Jens Axboe7bb48f82007-03-27 15:30:28 +0200510 /*
511 * file size given. if it's fixed, use that. if it's a
512 * range, generate a random size in-between.
513 */
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100514 if (td->o.file_size_low == td->o.file_size_high) {
515 f->io_size = td->o.file_size_low
516 - f->file_offset;
517 } else {
518 f->io_size = get_rand_file_size(td)
519 - f->file_offset;
520 }
Jens Axboe65bdb102008-01-24 13:13:12 +0100521 } else
ljzhang,Yaxin Hu,Jianchao Tangbcdedd02007-07-27 13:28:26 +0200522 f->io_size = f->real_file_size - f->file_offset;
Jens Axboe7bb48f82007-03-27 15:30:28 +0200523
524 if (f->io_size == -1ULL)
525 total_size = -1ULL;
526 else
527 total_size += f->io_size;
528
529 if (f->filetype == FIO_TYPE_FILE &&
ljzhang,Yaxin Hu,Jianchao Tangbcdedd02007-07-27 13:28:26 +0200530 (f->io_size + f->file_offset) > f->real_file_size &&
Jens Axboe7bb48f82007-03-27 15:30:28 +0200531 !(td->io_ops->flags & FIO_DISKLESSIO)) {
532 need_extend++;
ljzhang,Yaxin Hu,Jianchao Tangbcdedd02007-07-27 13:28:26 +0200533 extend_size += (f->io_size + f->file_offset);
Jens Axboe7bb48f82007-03-27 15:30:28 +0200534 f->flags |= FIO_FILE_EXTEND;
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100535 }
Jens Axboe7bb48f82007-03-27 15:30:28 +0200536 }
537
ljzhang,Yaxin Hu,Jianchao Tang22982902007-07-27 13:21:28 +0200538 if (!td->o.size || td->o.size > total_size)
Jens Axboe7bb48f82007-03-27 15:30:28 +0200539 td->o.size = total_size;
540
541 /*
542 * See if we need to extend some files
543 */
544 if (need_extend) {
545 temp_stall_ts = 1;
Jens Axboef627d8a2007-08-24 10:24:09 +0200546 log_info("%s: Laying out IO file(s) (%u file(s) / %LuMiB)\n",
Jens Axboe7bb48f82007-03-27 15:30:28 +0200547 td->o.name, need_extend, extend_size >> 20);
548
549 for_each_file(td, f, i) {
Jens Axboe3baddf22008-04-04 11:10:30 +0200550 unsigned long long old_len, extend_len;
551
Jens Axboe7bb48f82007-03-27 15:30:28 +0200552 if (!(f->flags & FIO_FILE_EXTEND))
553 continue;
554
Jens Axboe409b3412007-03-28 09:57:01 +0200555 assert(f->filetype == FIO_TYPE_FILE);
Jens Axboe7bb48f82007-03-27 15:30:28 +0200556 f->flags &= ~FIO_FILE_EXTEND;
Jens Axboe3baddf22008-04-04 11:10:30 +0200557 old_len = f->real_file_size;
558 extend_len = f->io_size + f->file_offset - old_len;
ljzhang,Yaxin Hu,Jianchao Tangbcdedd02007-07-27 13:28:26 +0200559 f->real_file_size = (f->io_size + f->file_offset);
Jens Axboe7bb48f82007-03-27 15:30:28 +0200560 err = extend_file(td, f);
561 if (err)
562 break;
Jens Axboe3baddf22008-04-04 11:10:30 +0200563
564 err = __file_invalidate_cache(td, f, old_len,
565 extend_len);
566 close(f->fd);
567 f->fd = -1;
568 if (err)
569 break;
Jens Axboe7bb48f82007-03-27 15:30:28 +0200570 }
571 temp_stall_ts = 0;
572 }
573
574 if (err)
575 return err;
576
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100577 if (!td->o.zone_size)
Jens Axboe7bb48f82007-03-27 15:30:28 +0200578 td->o.zone_size = td->o.size;
Jens Axboe53cdc682006-10-18 11:50:58 +0200579
Jens Axboeea966f82007-09-03 10:09:37 +0200580 /*
581 * iolog already set the total io size, if we read back
582 * stored entries.
583 */
584 if (!td->o.read_iolog_file)
585 td->total_io_size = td->o.size * td->o.loops;
Jens Axboe7bb48f82007-03-27 15:30:28 +0200586 return 0;
ljzhang,Yaxin Hu,Jianchao Tangbcdedd02007-07-27 13:28:26 +0200587err_offset:
588 log_err("%s: you need to specify valid offset=\n", td->o.name);
589 return 1;
Jens Axboe53cdc682006-10-18 11:50:58 +0200590}
591
Jens Axboe68727072007-03-15 20:49:25 +0100592int init_random_map(struct thread_data *td)
593{
Jens Axboe509eab12007-12-14 12:42:53 +0100594 unsigned long long blocks, num_maps;
Jens Axboe68727072007-03-15 20:49:25 +0100595 struct fio_file *f;
596 unsigned int i;
597
Jens Axboede8dd112008-03-01 15:34:44 +0100598 if (td->o.norandommap || !td_random(td))
Jens Axboe68727072007-03-15 20:49:25 +0100599 return 0;
600
601 for_each_file(td, f, i) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100602 blocks = (f->real_file_size + td->o.rw_min_bs - 1) /
603 (unsigned long long) td->o.rw_min_bs;
604 num_maps = (blocks + BLOCKS_PER_MAP - 1) /
605 (unsigned long long) BLOCKS_PER_MAP;
Jens Axboede605662008-05-31 00:21:12 +0200606 f->file_map = smalloc(num_maps * sizeof(int));
Jens Axboe303032a2008-03-26 10:11:10 +0100607 if (f->file_map) {
608 f->num_maps = num_maps;
609 continue;
Jens Axboe68727072007-03-15 20:49:25 +0100610 }
Jens Axboe2b386d22008-03-26 10:32:57 +0100611 if (!td->o.softrandommap) {
Jens Axboe68727072007-03-15 20:49:25 +0100612 log_err("fio: failed allocating random map. If running"
613 " a large number of jobs, try the 'norandommap'"
Jens Axboe2b386d22008-03-26 10:32:57 +0100614 " option or set 'softrandommap'. Or give"
615 " a larger --alloc-size to fio.\n");
Jens Axboe68727072007-03-15 20:49:25 +0100616 return 1;
617 }
Jens Axboe303032a2008-03-26 10:11:10 +0100618
619 log_info("fio: file %s failed allocating random map. Running "
620 "job without.\n", f->file_name);
621 f->num_maps = 0;
Jens Axboe68727072007-03-15 20:49:25 +0100622 }
623
624 return 0;
625}
626
Jens Axboe53cdc682006-10-18 11:50:58 +0200627void close_files(struct thread_data *td)
628{
Jens Axboe0ab8db82006-10-18 17:16:23 +0200629 struct fio_file *f;
Jens Axboeaf52b342007-03-13 10:07:47 +0100630 unsigned int i;
Jens Axboe53cdc682006-10-18 11:50:58 +0200631
Jens Axboe24ffd2c2008-03-01 15:47:08 +0100632 for_each_file(td, f, i)
633 td_io_close_file(td, f);
634}
635
636void close_and_free_files(struct thread_data *td)
637{
638 struct fio_file *f;
639 unsigned int i;
640
Jens Axboeee56ad52008-02-01 10:30:20 +0100641 dprint(FD_FILE, "close files\n");
642
Jens Axboe0ab8db82006-10-18 17:16:23 +0200643 for_each_file(td, f, i) {
Jens Axboeffdfabd2008-03-26 09:18:14 +0100644 if (td->o.unlink && f->filetype == FIO_TYPE_FILE) {
645 dprint(FD_FILE, "free unlink %s\n", f->file_name);
Jens Axboe132ad462006-11-23 12:23:12 +0100646 unlink(f->file_name);
Jens Axboeffdfabd2008-03-26 09:18:14 +0100647 }
Jens Axboebdb4e2e2007-03-01 09:54:57 +0100648
Jens Axboeb5af8292007-03-08 12:43:13 +0100649 td_io_close_file(td, f);
Jens Axboeb3dc7f02007-03-09 12:52:15 +0100650
Jens Axboef17c4392008-03-01 18:40:46 +0100651 sfree(f->file_name);
Jens Axboefa1da862007-03-23 15:20:54 +0100652 f->file_name = NULL;
653
Jens Axboec3439812007-03-20 13:54:53 +0100654 if (f->file_map) {
Jens Axboef17c4392008-03-01 18:40:46 +0100655 sfree(f->file_map);
Jens Axboec3439812007-03-20 13:54:53 +0100656 f->file_map = NULL;
657 }
Jens Axboe78d99e62008-03-01 18:41:50 +0100658 sfree(f);
Jens Axboe53cdc682006-10-18 11:50:58 +0200659 }
Jens Axboeb4a6a592006-10-20 13:54:47 +0200660
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100661 td->o.filename = NULL;
Jens Axboecade3ef2007-03-23 15:29:45 +0100662 free(td->files);
Jens Axboe9efef3c2008-03-06 10:26:25 +0100663 td->files_index = 0;
Jens Axboeb4a6a592006-10-20 13:54:47 +0200664 td->files = NULL;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100665 td->o.nr_files = 0;
Jens Axboe53cdc682006-10-18 11:50:58 +0200666}
Jens Axboeaf52b342007-03-13 10:07:47 +0100667
Jens Axboee3bab462007-03-13 11:22:09 +0100668static void get_file_type(struct fio_file *f)
Jens Axboeaf52b342007-03-13 10:07:47 +0100669{
670 struct stat sb;
671
Jens Axboe66159822007-04-16 21:54:24 +0200672 if (!strcmp(f->file_name, "-"))
673 f->filetype = FIO_TYPE_PIPE;
674 else
675 f->filetype = FIO_TYPE_FILE;
Jens Axboeaf52b342007-03-13 10:07:47 +0100676
Jens Axboee3bab462007-03-13 11:22:09 +0100677 if (!lstat(f->file_name, &sb)) {
Jens Axboeaf52b342007-03-13 10:07:47 +0100678 if (S_ISBLK(sb.st_mode))
679 f->filetype = FIO_TYPE_BD;
680 else if (S_ISCHR(sb.st_mode))
681 f->filetype = FIO_TYPE_CHAR;
Jens Axboeb5605e92007-04-16 20:42:33 +0200682 else if (S_ISFIFO(sb.st_mode))
683 f->filetype = FIO_TYPE_PIPE;
Jens Axboeaf52b342007-03-13 10:07:47 +0100684 }
685}
686
Jens Axboef29b25a2007-07-23 08:56:43 +0200687int add_file(struct thread_data *td, const char *fname)
Jens Axboeaf52b342007-03-13 10:07:47 +0100688{
Jens Axboe7b4e4fe2007-03-13 12:51:40 +0100689 int cur_files = td->files_index;
Jens Axboebd0ee742007-03-23 14:26:23 +0100690 char file_name[PATH_MAX];
Jens Axboeaf52b342007-03-13 10:07:47 +0100691 struct fio_file *f;
Jens Axboebd0ee742007-03-23 14:26:23 +0100692 int len = 0;
Jens Axboeaf52b342007-03-13 10:07:47 +0100693
Jens Axboeee56ad52008-02-01 10:30:20 +0100694 dprint(FD_FILE, "add file %s\n", fname);
695
Jens Axboef17c4392008-03-01 18:40:46 +0100696 f = smalloc(sizeof(*f));
Jens Axboeaf52b342007-03-13 10:07:47 +0100697 f->fd = -1;
Jens Axboebd0ee742007-03-23 14:26:23 +0100698
Jens Axboe9efef3c2008-03-06 10:26:25 +0100699 dprint(FD_FILE, "resize file array to %d files\n", cur_files + 1);
Jens Axboe126d65c2008-03-01 18:04:31 +0100700
Jens Axboe9efef3c2008-03-06 10:26:25 +0100701 td->files = realloc(td->files, (cur_files + 1) * sizeof(f));
Jens Axboe126d65c2008-03-01 18:04:31 +0100702 td->files[cur_files] = f;
703
Jens Axboe07eb79d2007-04-12 13:02:38 +0200704 /*
705 * init function, io engine may not be loaded yet
706 */
707 if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO))
708 f->real_file_size = -1ULL;
709
Jens Axboebd0ee742007-03-23 14:26:23 +0100710 if (td->o.directory)
711 len = sprintf(file_name, "%s/", td->o.directory);
712
713 sprintf(file_name + len, "%s", fname);
Jens Axboef17c4392008-03-01 18:40:46 +0100714 f->file_name = smalloc_strdup(file_name);
Jens Axboeaf52b342007-03-13 10:07:47 +0100715
Jens Axboee3bab462007-03-13 11:22:09 +0100716 get_file_type(f);
Jens Axboeaf52b342007-03-13 10:07:47 +0100717
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100718 switch (td->o.file_lock_mode) {
719 case FILE_LOCK_NONE:
720 break;
721 case FILE_LOCK_READWRITE:
722 f->lock = fio_mutex_rw_init();
723 break;
724 case FILE_LOCK_EXCLUSIVE:
725 f->lock = fio_mutex_init(1);
726 break;
727 default:
728 log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode);
729 assert(0);
730 }
Jens Axboe29c13492008-03-01 19:25:20 +0100731
Jens Axboe7b4e4fe2007-03-13 12:51:40 +0100732 td->files_index++;
Jens Axboe15494412007-03-13 11:52:47 +0100733 if (f->filetype == FIO_TYPE_FILE)
734 td->nr_normal_files++;
Jens Axboef29b25a2007-07-23 08:56:43 +0200735
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100736 dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name,
737 cur_files);
Jens Axboe9efef3c2008-03-06 10:26:25 +0100738
Jens Axboef29b25a2007-07-23 08:56:43 +0200739 return cur_files;
Jens Axboeaf52b342007-03-13 10:07:47 +0100740}
Jens Axboe0ad920e2007-03-13 11:06:45 +0100741
742void get_file(struct fio_file *f)
743{
Jens Axboe8172fe92008-02-01 21:51:02 +0100744 dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references);
Jens Axboe97af62c2007-05-22 11:12:13 +0200745 assert(f->flags & FIO_FILE_OPEN);
Jens Axboe0ad920e2007-03-13 11:06:45 +0100746 f->references++;
747}
748
Jens Axboe6977bcd2008-03-01 15:55:36 +0100749int put_file(struct thread_data *td, struct fio_file *f)
Jens Axboe0ad920e2007-03-13 11:06:45 +0100750{
Jens Axboe98e1ac42008-03-06 11:56:48 +0100751 int f_ret = 0, ret = 0;
Jens Axboe6977bcd2008-03-01 15:55:36 +0100752
Jens Axboe8172fe92008-02-01 21:51:02 +0100753 dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references);
Jens Axboeee56ad52008-02-01 10:30:20 +0100754
Jens Axboe0ad920e2007-03-13 11:06:45 +0100755 if (!(f->flags & FIO_FILE_OPEN))
Jens Axboe6977bcd2008-03-01 15:55:36 +0100756 return 0;
Jens Axboe0ad920e2007-03-13 11:06:45 +0100757
758 assert(f->references);
759 if (--f->references)
Jens Axboe6977bcd2008-03-01 15:55:36 +0100760 return 0;
Jens Axboe0ad920e2007-03-13 11:06:45 +0100761
Jens Axboed424d4d2007-04-17 09:05:10 +0200762 if (should_fsync(td) && td->o.fsync_on_close)
Jens Axboe98e1ac42008-03-06 11:56:48 +0100763 f_ret = fsync(f->fd);
Jens Axboeebb14152007-03-13 14:42:15 +0100764
Jens Axboe0ad920e2007-03-13 11:06:45 +0100765 if (td->io_ops->close_file)
Jens Axboe6977bcd2008-03-01 15:55:36 +0100766 ret = td->io_ops->close_file(td, f);
Jens Axboe1020a132007-03-29 11:15:06 +0200767
Jens Axboe98e1ac42008-03-06 11:56:48 +0100768 if (!ret)
Jens Axboea5fb4612008-05-28 10:54:01 +0200769 ret = f_ret;
Jens Axboe98e1ac42008-03-06 11:56:48 +0100770
Jens Axboe0ad920e2007-03-13 11:06:45 +0100771 td->nr_open_files--;
772 f->flags &= ~FIO_FILE_OPEN;
Jens Axboe6977bcd2008-03-01 15:55:36 +0100773 return ret;
Jens Axboe0ad920e2007-03-13 11:06:45 +0100774}
Jens Axboebbf6b542007-03-13 15:28:55 +0100775
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100776void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir)
Jens Axboeb2bd2bd2008-03-01 18:19:52 +0100777{
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100778 if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE)
779 return;
Jens Axboe29c13492008-03-01 19:25:20 +0100780
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100781 if (f->lock_owner == td && f->lock_batch--)
782 return;
783
784 if (td->o.file_lock_mode == FILE_LOCK_READWRITE) {
785 if (ddir == DDIR_READ)
786 fio_mutex_down_read(f->lock);
787 else
788 fio_mutex_down_write(f->lock);
789 } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE)
790 fio_mutex_down(f->lock);
791
792 f->lock_owner = td;
793 f->lock_batch = td->o.lockfile_batch;
794 f->lock_ddir = ddir;
795}
796
797void unlock_file(struct thread_data *td, struct fio_file *f)
798{
799 if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE)
800 return;
801 if (f->lock_batch)
802 return;
803
804 if (td->o.file_lock_mode == FILE_LOCK_READWRITE) {
805 const int is_read = f->lock_ddir == DDIR_READ;
806 int val = fio_mutex_getval(f->lock);
807
808 if ((is_read && val == 1) || (!is_read && val == -1))
809 f->lock_owner = NULL;
810
811 if (is_read)
812 fio_mutex_up_read(f->lock);
813 else
814 fio_mutex_up_write(f->lock);
815 } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) {
816 int val = fio_mutex_getval(f->lock);
817
818 if (val == 0)
819 f->lock_owner = NULL;
820
821 fio_mutex_up(f->lock);
Jens Axboe29c13492008-03-01 19:25:20 +0100822 }
Jens Axboeb2bd2bd2008-03-01 18:19:52 +0100823}
824
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100825void unlock_file_all(struct thread_data *td, struct fio_file *f)
Jens Axboeb2bd2bd2008-03-01 18:19:52 +0100826{
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100827 if (f->lock_owner != td)
828 return;
Jens Axboe29c13492008-03-01 19:25:20 +0100829
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100830 f->lock_batch = 0;
831 unlock_file(td, f);
Jens Axboeb2bd2bd2008-03-01 18:19:52 +0100832}
833
Jens Axboebbf6b542007-03-13 15:28:55 +0100834static int recurse_dir(struct thread_data *td, const char *dirname)
835{
836 struct dirent *dir;
837 int ret = 0;
838 DIR *D;
839
840 D = opendir(dirname);
841 if (!D) {
Jens Axboe0ddb2702007-03-27 19:43:53 +0200842 char buf[FIO_VERROR_SIZE];
843
844 snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname);
845 td_verror(td, errno, buf);
Jens Axboebbf6b542007-03-13 15:28:55 +0100846 return 1;
847 }
848
849 while ((dir = readdir(D)) != NULL) {
850 char full_path[PATH_MAX];
851 struct stat sb;
852
Jens Axboee85b2b82007-03-14 09:39:06 +0100853 if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
854 continue;
Jens Axboe96d32d52007-03-14 09:16:09 +0100855
Jens Axboebbf6b542007-03-13 15:28:55 +0100856 sprintf(full_path, "%s/%s", dirname, dir->d_name);
857
858 if (lstat(full_path, &sb) == -1) {
859 if (errno != ENOENT) {
860 td_verror(td, errno, "stat");
861 return 1;
862 }
863 }
864
865 if (S_ISREG(sb.st_mode)) {
866 add_file(td, full_path);
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100867 td->o.nr_files++;
Jens Axboebbf6b542007-03-13 15:28:55 +0100868 continue;
869 }
Jens Axboe0ddb2702007-03-27 19:43:53 +0200870 if (!S_ISDIR(sb.st_mode))
871 continue;
Jens Axboebbf6b542007-03-13 15:28:55 +0100872
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100873 ret = recurse_dir(td, full_path);
874 if (ret)
Jens Axboebbf6b542007-03-13 15:28:55 +0100875 break;
876 }
877
878 closedir(D);
879 return ret;
880}
881
882int add_dir_files(struct thread_data *td, const char *path)
883{
Jens Axboe0ddb2702007-03-27 19:43:53 +0200884 int ret = recurse_dir(td, path);
885
886 if (!ret)
887 log_info("fio: opendir added %d files\n", td->o.nr_files);
888
889 return ret;
Jens Axboebbf6b542007-03-13 15:28:55 +0100890}
Jens Axboecade3ef2007-03-23 15:29:45 +0100891
892void dup_files(struct thread_data *td, struct thread_data *org)
893{
894 struct fio_file *f;
895 unsigned int i;
Jens Axboe9efef3c2008-03-06 10:26:25 +0100896
897 dprint(FD_FILE, "dup files: %d\n", org->files_index);
Jens Axboecade3ef2007-03-23 15:29:45 +0100898
899 if (!org->files)
900 return;
901
Jens Axboe9efef3c2008-03-06 10:26:25 +0100902 td->files = malloc(org->files_index * sizeof(f));
Jens Axboecade3ef2007-03-23 15:29:45 +0100903
Jens Axboe9efef3c2008-03-06 10:26:25 +0100904 for_each_file(org, f, i) {
Jens Axboeb0fe4212008-03-01 18:22:27 +0100905 struct fio_file *__f;
906
Jens Axboef17c4392008-03-01 18:40:46 +0100907 __f = smalloc(sizeof(*__f));
Jens Axboeb0fe4212008-03-01 18:22:27 +0100908
Aaron Carrollbc3456f2008-06-25 09:20:37 +0200909 if (f->file_name) {
Jens Axboef17c4392008-03-01 18:40:46 +0100910 __f->file_name = smalloc_strdup(f->file_name);
Aaron Carrollbc3456f2008-06-25 09:20:37 +0200911 __f->filetype = f->filetype;
912 }
Jens Axboeb0fe4212008-03-01 18:22:27 +0100913
914 td->files[i] = __f;
Jens Axboecade3ef2007-03-23 15:29:45 +0100915 }
916}
Jens Axboef29b25a2007-07-23 08:56:43 +0200917
918/*
919 * Returns the index that matches the filename, or -1 if not there
920 */
921int get_fileno(struct thread_data *td, const char *fname)
922{
923 struct fio_file *f;
924 unsigned int i;
925
926 for_each_file(td, f, i)
927 if (!strcmp(f->file_name, fname))
928 return i;
929
930 return -1;
931}
932
933/*
934 * For log usage, where we add/open/close files automatically
935 */
936void free_release_files(struct thread_data *td)
937{
938 close_files(td);
939 td->files_index = 0;
940 td->nr_normal_files = 0;
941}