Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 1 | #include <unistd.h> |
| 2 | #include <fcntl.h> |
| 3 | #include <string.h> |
| 4 | #include <assert.h> |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 5 | #include <dirent.h> |
YAMAMOTO Takashi | d74ac84 | 2010-06-09 09:44:53 +0200 | [diff] [blame] | 6 | #include <libgen.h> |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 7 | #include <sys/stat.h> |
| 8 | #include <sys/mman.h> |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 9 | #include <sys/types.h> |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 10 | |
| 11 | #include "fio.h" |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 12 | #include "smalloc.h" |
Jens Axboe | 4906e0b | 2008-03-01 18:59:51 +0100 | [diff] [blame] | 13 | #include "filehash.h" |
Christian Ehrhardt | bcbfeef | 2014-02-20 09:13:06 -0800 | [diff] [blame] | 14 | #include "options.h" |
Bruce Cran | ecc314b | 2011-01-04 10:59:30 +0100 | [diff] [blame] | 15 | #include "os/os.h" |
Jens Axboe | 2316296 | 2012-11-07 19:47:47 +0100 | [diff] [blame] | 16 | #include "hash.h" |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 17 | #include "lib/axmap.h" |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 18 | |
Jens Axboe | 97ac992 | 2013-01-24 15:00:25 -0700 | [diff] [blame] | 19 | #ifdef CONFIG_LINUX_FALLOCATE |
Eric Gouriou | a596f04 | 2011-06-17 09:11:45 +0200 | [diff] [blame] | 20 | #include <linux/falloc.h> |
| 21 | #endif |
| 22 | |
Jens Axboe | 7172cfe | 2007-07-23 14:36:00 +0200 | [diff] [blame] | 23 | static int root_warn; |
| 24 | |
Christian Ehrhardt | bcbfeef | 2014-02-20 09:13:06 -0800 | [diff] [blame] | 25 | static FLIST_HEAD(filename_list); |
| 26 | |
Jens Axboe | c592b9f | 2009-06-03 09:29:28 +0200 | [diff] [blame] | 27 | static inline void clear_error(struct thread_data *td) |
| 28 | { |
| 29 | td->error = 0; |
| 30 | td->verror[0] = '\0'; |
| 31 | } |
| 32 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 33 | /* |
| 34 | * Leaves f->fd open on success, caller must close |
| 35 | */ |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 36 | static int extend_file(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 25205e9 | 2006-10-19 20:50:14 +0200 | [diff] [blame] | 37 | { |
Jens Axboe | ea44365 | 2007-03-29 14:52:13 +0200 | [diff] [blame] | 38 | int r, new_layout = 0, unlink_file = 0, flags; |
Jens Axboe | 25205e9 | 2006-10-19 20:50:14 +0200 | [diff] [blame] | 39 | unsigned long long left; |
| 40 | unsigned int bs; |
| 41 | char *b; |
Jens Axboe | b2a1519 | 2006-10-18 14:10:42 +0200 | [diff] [blame] | 42 | |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 43 | if (read_only) { |
| 44 | log_err("fio: refusing extend of file due to read-only\n"); |
| 45 | return 0; |
| 46 | } |
| 47 | |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 48 | /* |
| 49 | * check if we need to lay the file out complete again. fio |
| 50 | * does that for operations involving reads, or for writes |
| 51 | * where overwrite is set |
| 52 | */ |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 53 | if (td_read(td) || (td_write(td) && td->o.overwrite) || |
| 54 | (td_write(td) && td->io_ops->flags & FIO_NOEXTEND)) |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 55 | new_layout = 1; |
Jens Axboe | ea44365 | 2007-03-29 14:52:13 +0200 | [diff] [blame] | 56 | if (td_write(td) && !td->o.overwrite) |
| 57 | unlink_file = 1; |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 58 | |
Jens Axboe | 6ae1f57 | 2008-02-21 10:20:00 +0100 | [diff] [blame] | 59 | if (unlink_file || new_layout) { |
Jens Axboe | bd199f2 | 2008-03-26 09:57:18 +0100 | [diff] [blame] | 60 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
Zhang, Yanmin | 982016d | 2008-02-26 15:35:52 +0100 | [diff] [blame] | 61 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 62 | td_verror(td, errno, "unlink"); |
| 63 | return 1; |
| 64 | } |
| 65 | } |
| 66 | |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 67 | flags = O_WRONLY | O_CREAT; |
| 68 | if (new_layout) |
| 69 | flags |= O_TRUNC; |
| 70 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 71 | dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags); |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 72 | f->fd = open(f->file_name, flags, 0644); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 73 | if (f->fd < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 74 | td_verror(td, errno, "open"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 75 | return 1; |
| 76 | } |
| 77 | |
Jens Axboe | 97ac992 | 2013-01-24 15:00:25 -0700 | [diff] [blame] | 78 | #ifdef CONFIG_POSIX_FALLOCATE |
Eric Gouriou | a596f04 | 2011-06-17 09:11:45 +0200 | [diff] [blame] | 79 | if (!td->o.fill_device) { |
| 80 | switch (td->o.fallocate_mode) { |
| 81 | case FIO_FALLOCATE_NONE: |
| 82 | break; |
| 83 | case FIO_FALLOCATE_POSIX: |
| 84 | dprint(FD_FILE, "posix_fallocate file %s size %llu\n", |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 85 | f->file_name, |
| 86 | (unsigned long long) f->real_file_size); |
Jens Axboe | 7bc8c2c | 2010-01-28 11:31:31 +0100 | [diff] [blame] | 87 | |
Eric Gouriou | a596f04 | 2011-06-17 09:11:45 +0200 | [diff] [blame] | 88 | r = posix_fallocate(f->fd, 0, f->real_file_size); |
| 89 | if (r > 0) { |
| 90 | log_err("fio: posix_fallocate fails: %s\n", |
| 91 | strerror(r)); |
| 92 | } |
| 93 | break; |
Jens Axboe | 97ac992 | 2013-01-24 15:00:25 -0700 | [diff] [blame] | 94 | #ifdef CONFIG_LINUX_FALLOCATE |
Eric Gouriou | a596f04 | 2011-06-17 09:11:45 +0200 | [diff] [blame] | 95 | case FIO_FALLOCATE_KEEP_SIZE: |
| 96 | dprint(FD_FILE, |
| 97 | "fallocate(FALLOC_FL_KEEP_SIZE) " |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 98 | "file %s size %llu\n", f->file_name, |
| 99 | (unsigned long long) f->real_file_size); |
Eric Gouriou | a596f04 | 2011-06-17 09:11:45 +0200 | [diff] [blame] | 100 | |
| 101 | r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, |
| 102 | f->real_file_size); |
Jens Axboe | 888677a | 2013-04-10 22:19:46 +0200 | [diff] [blame] | 103 | if (r != 0) |
Eric Gouriou | a596f04 | 2011-06-17 09:11:45 +0200 | [diff] [blame] | 104 | td_verror(td, errno, "fallocate"); |
Jens Axboe | 888677a | 2013-04-10 22:19:46 +0200 | [diff] [blame] | 105 | |
Eric Gouriou | a596f04 | 2011-06-17 09:11:45 +0200 | [diff] [blame] | 106 | break; |
Jens Axboe | 97ac992 | 2013-01-24 15:00:25 -0700 | [diff] [blame] | 107 | #endif /* CONFIG_LINUX_FALLOCATE */ |
Eric Gouriou | a596f04 | 2011-06-17 09:11:45 +0200 | [diff] [blame] | 108 | default: |
| 109 | log_err("fio: unknown fallocate mode: %d\n", |
| 110 | td->o.fallocate_mode); |
| 111 | assert(0); |
Jens Axboe | 7bc8c2c | 2010-01-28 11:31:31 +0100 | [diff] [blame] | 112 | } |
| 113 | } |
Jens Axboe | 97ac992 | 2013-01-24 15:00:25 -0700 | [diff] [blame] | 114 | #endif /* CONFIG_POSIX_FALLOCATE */ |
Bruce Cran | 9b83656 | 2011-01-08 19:49:54 +0100 | [diff] [blame] | 115 | |
Shawn Lewis | fc74ac1 | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 116 | if (!new_layout) |
| 117 | goto done; |
| 118 | |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 119 | /* |
| 120 | * The size will be -1ULL when fill_device is used, so don't truncate |
| 121 | * or fallocate this file, just write it |
| 122 | */ |
| 123 | if (!td->o.fill_device) { |
| 124 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 125 | (unsigned long long) f->real_file_size); |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 126 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
John | 3cd4c66 | 2013-12-29 19:20:35 -0700 | [diff] [blame] | 127 | if (errno != EFBIG) { |
| 128 | td_verror(td, errno, "ftruncate"); |
| 129 | goto err; |
| 130 | } |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 131 | } |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 132 | } |
Jens Axboe | 40f8298 | 2006-10-25 11:21:05 +0200 | [diff] [blame] | 133 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 134 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 135 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 136 | left = f->real_file_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 137 | while (left && !td->terminate) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 138 | bs = td->o.max_bs[DDIR_WRITE]; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 139 | if (bs > left) |
| 140 | bs = left; |
| 141 | |
Jens Axboe | cc86c39 | 2013-05-03 15:12:33 +0200 | [diff] [blame] | 142 | fill_io_buffer(td, b, bs, bs); |
| 143 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 144 | r = write(f->fd, b, bs); |
| 145 | |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 146 | if (r > 0) { |
| 147 | left -= r; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 148 | continue; |
| 149 | } else { |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 150 | if (r < 0) { |
| 151 | int __e = errno; |
| 152 | |
| 153 | if (__e == ENOSPC) { |
| 154 | if (td->o.fill_device) |
| 155 | break; |
| 156 | log_info("fio: ENOSPC on laying out " |
| 157 | "file, stopping\n"); |
| 158 | break; |
| 159 | } |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 160 | td_verror(td, errno, "write"); |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 161 | } else |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 162 | td_verror(td, EIO, "write"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 163 | |
| 164 | break; |
| 165 | } |
| 166 | } |
| 167 | |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 168 | if (td->terminate) { |
| 169 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 170 | unlink(f->file_name); |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 171 | } else if (td->o.create_fsync) { |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 172 | if (fsync(f->fd) < 0) { |
| 173 | td_verror(td, errno, "fsync"); |
| 174 | goto err; |
| 175 | } |
| 176 | } |
Jens Axboe | 0d1cd20 | 2009-06-05 22:11:52 +0200 | [diff] [blame] | 177 | if (td->o.fill_device && !td_write(td)) { |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 178 | fio_file_clear_size_known(f); |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 179 | if (td_io_get_file_size(td, f)) |
| 180 | goto err; |
| 181 | if (f->io_size > f->real_file_size) |
| 182 | f->io_size = f->real_file_size; |
| 183 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 184 | |
| 185 | free(b); |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 186 | done: |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 187 | return 0; |
| 188 | err: |
| 189 | close(f->fd); |
| 190 | f->fd = -1; |
| 191 | return 1; |
| 192 | } |
| 193 | |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame] | 194 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
| 195 | { |
Jens Axboe | b0f6586 | 2009-05-20 11:52:15 +0200 | [diff] [blame] | 196 | int r, did_open = 0, old_runstate; |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame] | 197 | unsigned long long left; |
| 198 | unsigned int bs; |
| 199 | char *b; |
| 200 | |
Jens Axboe | 9c0d224 | 2009-07-01 12:26:28 +0200 | [diff] [blame] | 201 | if (td->io_ops->flags & FIO_PIPEIO) |
| 202 | return 0; |
| 203 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 204 | if (!fio_file_open(f)) { |
Jens Axboe | b0f6586 | 2009-05-20 11:52:15 +0200 | [diff] [blame] | 205 | if (td->io_ops->open_file(td, f)) { |
| 206 | log_err("fio: cannot pre-read, failed to open file\n"); |
| 207 | return 1; |
| 208 | } |
| 209 | did_open = 1; |
| 210 | } |
| 211 | |
Jens Axboe | 8edd973 | 2014-03-01 08:24:03 -0700 | [diff] [blame] | 212 | old_runstate = td_bump_runstate(td, TD_PRE_READING); |
Jens Axboe | b0f6586 | 2009-05-20 11:52:15 +0200 | [diff] [blame] | 213 | |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame] | 214 | bs = td->o.max_bs[DDIR_READ]; |
| 215 | b = malloc(bs); |
| 216 | memset(b, 0, bs); |
| 217 | |
| 218 | lseek(f->fd, f->file_offset, SEEK_SET); |
| 219 | left = f->io_size; |
| 220 | |
| 221 | while (left && !td->terminate) { |
| 222 | if (bs > left) |
| 223 | bs = left; |
| 224 | |
| 225 | r = read(f->fd, b, bs); |
| 226 | |
| 227 | if (r == (int) bs) { |
| 228 | left -= bs; |
| 229 | continue; |
| 230 | } else { |
| 231 | td_verror(td, EIO, "pre_read"); |
| 232 | break; |
| 233 | } |
| 234 | } |
| 235 | |
Jens Axboe | 8edd973 | 2014-03-01 08:24:03 -0700 | [diff] [blame] | 236 | td_restore_runstate(td, old_runstate); |
Jens Axboe | b0f6586 | 2009-05-20 11:52:15 +0200 | [diff] [blame] | 237 | |
| 238 | if (did_open) |
| 239 | td->io_ops->close_file(td, f); |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame] | 240 | free(b); |
| 241 | return 0; |
| 242 | } |
| 243 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 244 | static unsigned long long get_rand_file_size(struct thread_data *td) |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 245 | { |
Jens Axboe | dc873b6 | 2008-06-04 20:13:04 +0200 | [diff] [blame] | 246 | unsigned long long ret, sized; |
Jens Axboe | 1294c3e | 2011-05-11 08:15:18 +0200 | [diff] [blame] | 247 | unsigned long r; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 248 | |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 249 | if (td->o.use_os_rand) { |
| 250 | r = os_random_long(&td->file_size_state); |
| 251 | sized = td->o.file_size_high - td->o.file_size_low; |
| 252 | ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0))); |
| 253 | } else { |
| 254 | r = __rand(&td->__file_size_state); |
| 255 | sized = td->o.file_size_high - td->o.file_size_low; |
| 256 | ret = (unsigned long long) ((double) sized * (r / (FRAND_MAX + 1.0))); |
| 257 | } |
| 258 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 259 | ret += td->o.file_size_low; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 260 | ret -= (ret % td->o.rw_min_bs); |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 261 | return ret; |
| 262 | } |
| 263 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 264 | static int file_size(struct thread_data *td, struct fio_file *f) |
| 265 | { |
| 266 | struct stat st; |
| 267 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 268 | if (stat(f->file_name, &st) == -1) { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 269 | td_verror(td, errno, "fstat"); |
| 270 | return 1; |
| 271 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 272 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 273 | f->real_file_size = st.st_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 274 | return 0; |
| 275 | } |
| 276 | |
| 277 | static int bdev_size(struct thread_data *td, struct fio_file *f) |
| 278 | { |
Bruce Cran | 9b83656 | 2011-01-08 19:49:54 +0100 | [diff] [blame] | 279 | unsigned long long bytes = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 280 | int r; |
| 281 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 282 | if (td->io_ops->open_file(td, f)) { |
| 283 | log_err("fio: failed opening blockdev %s for size check\n", |
| 284 | f->file_name); |
| 285 | return 1; |
| 286 | } |
| 287 | |
Bruce Cran | ecc314b | 2011-01-04 10:59:30 +0100 | [diff] [blame] | 288 | r = blockdev_size(f, &bytes); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 289 | if (r) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 290 | td_verror(td, r, "blockdev_size"); |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 291 | goto err; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 292 | } |
| 293 | |
Jens Axboe | 7ab077a | 2009-02-02 15:07:37 +0100 | [diff] [blame] | 294 | if (!bytes) { |
| 295 | log_err("%s: zero sized block device?\n", f->file_name); |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 296 | goto err; |
Jens Axboe | 7ab077a | 2009-02-02 15:07:37 +0100 | [diff] [blame] | 297 | } |
| 298 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 299 | f->real_file_size = bytes; |
Jens Axboe | 22a57ba | 2009-06-09 14:34:35 +0200 | [diff] [blame] | 300 | td->io_ops->close_file(td, f); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 301 | return 0; |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 302 | err: |
| 303 | td->io_ops->close_file(td, f); |
| 304 | return 1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 305 | } |
| 306 | |
Jens Axboe | 4ccdccd | 2010-06-24 10:27:22 +0200 | [diff] [blame] | 307 | static int char_size(struct thread_data *td, struct fio_file *f) |
| 308 | { |
| 309 | #ifdef FIO_HAVE_CHARDEV_SIZE |
Bruce Cran | 9b83656 | 2011-01-08 19:49:54 +0100 | [diff] [blame] | 310 | unsigned long long bytes = 0; |
Jens Axboe | 4ccdccd | 2010-06-24 10:27:22 +0200 | [diff] [blame] | 311 | int r; |
| 312 | |
| 313 | if (td->io_ops->open_file(td, f)) { |
| 314 | log_err("fio: failed opening blockdev %s for size check\n", |
| 315 | f->file_name); |
| 316 | return 1; |
| 317 | } |
| 318 | |
Bruce Cran | ecc314b | 2011-01-04 10:59:30 +0100 | [diff] [blame] | 319 | r = chardev_size(f, &bytes); |
Jens Axboe | 4ccdccd | 2010-06-24 10:27:22 +0200 | [diff] [blame] | 320 | if (r) { |
| 321 | td_verror(td, r, "chardev_size"); |
| 322 | goto err; |
| 323 | } |
| 324 | |
| 325 | if (!bytes) { |
| 326 | log_err("%s: zero sized char device?\n", f->file_name); |
| 327 | goto err; |
| 328 | } |
| 329 | |
| 330 | f->real_file_size = bytes; |
| 331 | td->io_ops->close_file(td, f); |
| 332 | return 0; |
| 333 | err: |
| 334 | td->io_ops->close_file(td, f); |
| 335 | return 1; |
| 336 | #else |
| 337 | f->real_file_size = -1ULL; |
| 338 | return 0; |
| 339 | #endif |
| 340 | } |
| 341 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 342 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
| 343 | { |
| 344 | int ret = 0; |
| 345 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 346 | if (fio_file_size_known(f)) |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 347 | return 0; |
| 348 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 349 | if (f->filetype == FIO_TYPE_FILE) |
| 350 | ret = file_size(td, f); |
| 351 | else if (f->filetype == FIO_TYPE_BD) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 352 | ret = bdev_size(td, f); |
Jens Axboe | 4ccdccd | 2010-06-24 10:27:22 +0200 | [diff] [blame] | 353 | else if (f->filetype == FIO_TYPE_CHAR) |
| 354 | ret = char_size(td, f); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 355 | else |
| 356 | f->real_file_size = -1; |
| 357 | |
| 358 | if (ret) |
| 359 | return ret; |
| 360 | |
| 361 | if (f->file_offset > f->real_file_size) { |
Bruce Cran | 0f2152c | 2010-12-15 10:33:03 +0100 | [diff] [blame] | 362 | log_err("%s: offset extends end (%llu > %llu)\n", td->o.name, |
Jens Axboe | 4e0a8fa | 2013-04-15 11:40:57 +0200 | [diff] [blame] | 363 | (unsigned long long) f->file_offset, |
| 364 | (unsigned long long) f->real_file_size); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 365 | return 1; |
| 366 | } |
| 367 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 368 | fio_file_set_size_known(f); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 369 | return 0; |
| 370 | } |
| 371 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 372 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
| 373 | unsigned long long off, |
| 374 | unsigned long long len) |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 375 | { |
| 376 | int ret = 0; |
| 377 | |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 378 | if (len == -1ULL) |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 379 | len = f->io_size; |
| 380 | if (off == -1ULL) |
| 381 | off = f->file_offset; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 382 | |
Jens Axboe | 0d1cd20 | 2009-06-05 22:11:52 +0200 | [diff] [blame] | 383 | if (len == -1ULL || off == -1ULL) |
| 384 | return 0; |
| 385 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 386 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
| 387 | len); |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 388 | |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 389 | /* |
| 390 | * FIXME: add blockdev flushing too |
| 391 | */ |
Jens Axboe | a1c5807 | 2009-08-04 23:17:02 +0200 | [diff] [blame] | 392 | if (f->mmap_ptr) { |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 393 | ret = posix_madvise(f->mmap_ptr, f->mmap_sz, POSIX_MADV_DONTNEED); |
Jens Axboe | a1c5807 | 2009-08-04 23:17:02 +0200 | [diff] [blame] | 394 | #ifdef FIO_MADV_FREE |
Jens Axboe | 3e10fb8 | 2013-08-09 14:31:06 -0600 | [diff] [blame] | 395 | if (f->filetype == FIO_TYPE_BD) |
| 396 | (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE); |
Jens Axboe | a1c5807 | 2009-08-04 23:17:02 +0200 | [diff] [blame] | 397 | #endif |
| 398 | } else if (f->filetype == FIO_TYPE_FILE) { |
Bruce Cran | ecc314b | 2011-01-04 10:59:30 +0100 | [diff] [blame] | 399 | ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 400 | } else if (f->filetype == FIO_TYPE_BD) { |
Bruce Cran | ecc314b | 2011-01-04 10:59:30 +0100 | [diff] [blame] | 401 | ret = blockdev_invalidate_cache(f); |
Jens Axboe | 7e0e25c | 2007-03-27 12:49:56 +0200 | [diff] [blame] | 402 | if (ret < 0 && errno == EACCES && geteuid()) { |
Jens Axboe | 7172cfe | 2007-07-23 14:36:00 +0200 | [diff] [blame] | 403 | if (!root_warn) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 404 | log_err("fio: only root may flush block " |
| 405 | "devices. Cache flush bypassed!\n"); |
Jens Axboe | 7172cfe | 2007-07-23 14:36:00 +0200 | [diff] [blame] | 406 | root_warn = 1; |
| 407 | } |
Jens Axboe | 7e0e25c | 2007-03-27 12:49:56 +0200 | [diff] [blame] | 408 | ret = 0; |
| 409 | } |
Jens Axboe | b5605e9 | 2007-04-16 20:42:33 +0200 | [diff] [blame] | 410 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 411 | ret = 0; |
| 412 | |
| 413 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 414 | td_verror(td, errno, "invalidate_cache"); |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 415 | return 1; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 416 | } else if (ret > 0) { |
| 417 | td_verror(td, ret, "invalidate_cache"); |
| 418 | return 1; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 419 | } |
| 420 | |
Jens Axboe | ad2da60 | 2007-02-26 12:33:27 +0100 | [diff] [blame] | 421 | return ret; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 422 | |
| 423 | } |
| 424 | |
| 425 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
| 426 | { |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 427 | if (!fio_file_open(f)) |
Jens Axboe | a5fb461 | 2008-05-28 10:54:01 +0200 | [diff] [blame] | 428 | return 0; |
| 429 | |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 430 | return __file_invalidate_cache(td, f, -1ULL, -1ULL); |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 431 | } |
| 432 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 433 | int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 434 | { |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 435 | int ret = 0; |
| 436 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 437 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
Jens Axboe | 4906e0b | 2008-03-01 18:59:51 +0100 | [diff] [blame] | 438 | |
| 439 | remove_file_hash(f); |
| 440 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 441 | if (close(f->fd) < 0) |
| 442 | ret = errno; |
| 443 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 444 | f->fd = -1; |
Jens Axboe | e6c4d73 | 2012-12-12 08:16:27 +0100 | [diff] [blame] | 445 | |
| 446 | if (f->shadow_fd != -1) { |
| 447 | close(f->shadow_fd); |
| 448 | f->shadow_fd = -1; |
| 449 | } |
| 450 | |
Juan Casse | 57e54e0 | 2013-09-20 09:20:52 -0600 | [diff] [blame] | 451 | f->engine_data = 0; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 452 | return ret; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 453 | } |
| 454 | |
Dmitry Monakhov | 1ccc6dc | 2012-09-19 23:22:53 +0400 | [diff] [blame] | 455 | int file_lookup_open(struct fio_file *f, int flags) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 456 | { |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 457 | struct fio_file *__f; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 458 | int from_hash; |
| 459 | |
| 460 | __f = lookup_file_hash(f->file_name); |
| 461 | if (__f) { |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 462 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 463 | /* |
| 464 | * racy, need the __f->lock locked |
| 465 | */ |
| 466 | f->lock = __f->lock; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 467 | from_hash = 1; |
| 468 | } else { |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 469 | dprint(FD_FILE, "file not found in hash %s\n", f->file_name); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 470 | from_hash = 0; |
| 471 | } |
| 472 | |
Jens Axboe | e8670ef | 2008-03-06 12:06:30 +0100 | [diff] [blame] | 473 | f->fd = open(f->file_name, flags, 0600); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 474 | return from_hash; |
| 475 | } |
| 476 | |
Jens Axboe | e6c4d73 | 2012-12-12 08:16:27 +0100 | [diff] [blame] | 477 | static int file_close_shadow_fds(struct thread_data *td) |
| 478 | { |
| 479 | struct fio_file *f; |
| 480 | int num_closed = 0; |
| 481 | unsigned int i; |
| 482 | |
| 483 | for_each_file(td, f, i) { |
| 484 | if (f->shadow_fd == -1) |
| 485 | continue; |
| 486 | |
| 487 | close(f->shadow_fd); |
| 488 | f->shadow_fd = -1; |
| 489 | num_closed++; |
| 490 | } |
| 491 | |
| 492 | return num_closed; |
| 493 | } |
| 494 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 495 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
| 496 | { |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 497 | int is_std = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 498 | int flags = 0; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 499 | int from_hash = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 500 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 501 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
| 502 | |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 503 | if (td_trim(td) && f->filetype != FIO_TYPE_BD) { |
| 504 | log_err("fio: trim only applies to block device\n"); |
| 505 | return 1; |
| 506 | } |
| 507 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 508 | if (!strcmp(f->file_name, "-")) { |
| 509 | if (td_rw(td)) { |
| 510 | log_err("fio: can't read/write to stdin/out\n"); |
| 511 | return 1; |
| 512 | } |
| 513 | is_std = 1; |
Jens Axboe | ce98fa6 | 2007-04-17 13:27:32 +0200 | [diff] [blame] | 514 | |
| 515 | /* |
| 516 | * move output logging to stderr, if we are writing to stdout |
| 517 | */ |
| 518 | if (td_write(td)) |
| 519 | f_out = stderr; |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 520 | } |
| 521 | |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 522 | if (td_trim(td)) |
| 523 | goto skip_flags; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 524 | if (td->o.odirect) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 525 | flags |= OS_O_DIRECT; |
Chris Mason | d01612f | 2013-11-15 15:52:58 -0700 | [diff] [blame] | 526 | if (td->o.oatomic) { |
| 527 | if (!FIO_O_ATOMIC) { |
| 528 | td_verror(td, EINVAL, "OS does not support atomic IO"); |
| 529 | return 1; |
| 530 | } |
| 531 | flags |= OS_O_DIRECT | FIO_O_ATOMIC; |
| 532 | } |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 533 | if (td->o.sync_io) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 534 | flags |= O_SYNC; |
Jens Axboe | 814452b | 2009-03-04 12:53:13 +0100 | [diff] [blame] | 535 | if (td->o.create_on_open) |
| 536 | flags |= O_CREAT; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 537 | skip_flags: |
| 538 | if (f->filetype != FIO_TYPE_FILE) |
| 539 | flags |= FIO_O_NOATIME; |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 540 | |
Aaron Carroll | 056f345 | 2007-11-26 09:08:53 +0100 | [diff] [blame] | 541 | open_again: |
Jens Axboe | 660a1cb | 2007-04-17 15:37:47 +0200 | [diff] [blame] | 542 | if (td_write(td)) { |
Jens Axboe | 1730815 | 2008-03-07 13:42:31 +0100 | [diff] [blame] | 543 | if (!read_only) |
| 544 | flags |= O_RDWR; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 545 | |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 546 | if (f->filetype == FIO_TYPE_FILE) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 547 | flags |= O_CREAT; |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 548 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 549 | if (is_std) |
| 550 | f->fd = dup(STDOUT_FILENO); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 551 | else |
| 552 | from_hash = file_lookup_open(f, flags); |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 553 | } else if (td_read(td)) { |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 554 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 555 | flags |= O_RDWR; |
| 556 | else |
| 557 | flags |= O_RDONLY; |
| 558 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 559 | if (is_std) |
| 560 | f->fd = dup(STDIN_FILENO); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 561 | else |
| 562 | from_hash = file_lookup_open(f, flags); |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 563 | } else { //td trim |
| 564 | flags |= O_RDWR; |
| 565 | from_hash = file_lookup_open(f, flags); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 566 | } |
| 567 | |
| 568 | if (f->fd == -1) { |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 569 | char buf[FIO_VERROR_SIZE]; |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 570 | int __e = errno; |
| 571 | |
Jens Axboe | 835d9b9 | 2009-06-09 15:23:38 +0200 | [diff] [blame] | 572 | if (__e == EPERM && (flags & FIO_O_NOATIME)) { |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 573 | flags &= ~FIO_O_NOATIME; |
Aaron Carroll | 056f345 | 2007-11-26 09:08:53 +0100 | [diff] [blame] | 574 | goto open_again; |
| 575 | } |
Jens Axboe | e6c4d73 | 2012-12-12 08:16:27 +0100 | [diff] [blame] | 576 | if (__e == EMFILE && file_close_shadow_fds(td)) |
| 577 | goto open_again; |
Aaron Carroll | 056f345 | 2007-11-26 09:08:53 +0100 | [diff] [blame] | 578 | |
Ken Raeburn | 98ffb8f | 2013-01-30 22:31:09 +0100 | [diff] [blame] | 579 | snprintf(buf, sizeof(buf), "open(%s)", f->file_name); |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 580 | |
Jens Axboe | a93c5f0 | 2012-06-11 08:53:53 +0200 | [diff] [blame] | 581 | if (__e == EINVAL && (flags & OS_O_DIRECT)) { |
| 582 | log_err("fio: looks like your file system does not " \ |
| 583 | "support direct=1/buffered=0\n"); |
| 584 | } |
| 585 | |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 586 | td_verror(td, __e, buf); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 587 | } |
| 588 | |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 589 | if (!from_hash && f->fd != -1) { |
| 590 | if (add_file_hash(f)) { |
Jens Axboe | 3f0ca9b | 2011-05-24 21:36:24 +0200 | [diff] [blame] | 591 | int fio_unused ret; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 592 | |
| 593 | /* |
Jens Axboe | e6c4d73 | 2012-12-12 08:16:27 +0100 | [diff] [blame] | 594 | * Stash away descriptor for later close. This is to |
| 595 | * work-around a "feature" on Linux, where a close of |
| 596 | * an fd that has been opened for write will trigger |
| 597 | * udev to call blkid to check partitions, fs id, etc. |
Anatol Pomozov | de8f6de | 2013-09-26 16:31:34 -0700 | [diff] [blame] | 598 | * That pollutes the device cache, which can slow down |
Jens Axboe | e6c4d73 | 2012-12-12 08:16:27 +0100 | [diff] [blame] | 599 | * unbuffered accesses. |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 600 | */ |
Jens Axboe | e6c4d73 | 2012-12-12 08:16:27 +0100 | [diff] [blame] | 601 | if (f->shadow_fd == -1) |
| 602 | f->shadow_fd = f->fd; |
| 603 | else { |
| 604 | /* |
| 605 | * OK to ignore, we haven't done anything |
| 606 | * with it |
| 607 | */ |
| 608 | ret = generic_close_file(td, f); |
| 609 | } |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 610 | goto open_again; |
| 611 | } |
| 612 | } |
Jens Axboe | 4906e0b | 2008-03-01 18:59:51 +0100 | [diff] [blame] | 613 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 614 | return 0; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 615 | } |
| 616 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 617 | int generic_get_file_size(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 618 | { |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 619 | return get_file_size(td, f); |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 620 | } |
| 621 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 622 | /* |
| 623 | * open/close all files, so that ->real_file_size gets set |
| 624 | */ |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 625 | static int get_file_sizes(struct thread_data *td) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 626 | { |
| 627 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 628 | unsigned int i; |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 629 | int err = 0; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 630 | |
| 631 | for_each_file(td, f, i) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 632 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
| 633 | f->file_name); |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 634 | |
Jens Axboe | 99a47c6 | 2009-04-07 22:20:56 +0200 | [diff] [blame] | 635 | if (td_io_get_file_size(td, f)) { |
Jens Axboe | 40b44f4 | 2007-04-11 12:43:35 +0200 | [diff] [blame] | 636 | if (td->error != ENOENT) { |
| 637 | log_err("%s\n", td->verror); |
| 638 | err = 1; |
| 639 | } |
Jens Axboe | 541d66d | 2007-03-27 19:50:11 +0200 | [diff] [blame] | 640 | clear_error(td); |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 641 | } |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 642 | |
| 643 | if (f->real_file_size == -1ULL && td->o.size) |
| 644 | f->real_file_size = td->o.size / td->o.nr_files; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 645 | } |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 646 | |
| 647 | return err; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 648 | } |
| 649 | |
Jens Axboe | 2e3bd4c | 2010-05-17 12:29:57 +0200 | [diff] [blame] | 650 | struct fio_mount { |
| 651 | struct flist_head list; |
| 652 | const char *base; |
| 653 | char __base[256]; |
| 654 | unsigned int key; |
| 655 | }; |
| 656 | |
| 657 | /* |
| 658 | * Get free number of bytes for each file on each unique mount. |
| 659 | */ |
| 660 | static unsigned long long get_fs_free_counts(struct thread_data *td) |
| 661 | { |
| 662 | struct flist_head *n, *tmp; |
Jens Axboe | 68b0316 | 2010-06-24 09:22:41 +0200 | [diff] [blame] | 663 | unsigned long long ret = 0; |
Jens Axboe | 2e3bd4c | 2010-05-17 12:29:57 +0200 | [diff] [blame] | 664 | struct fio_mount *fm; |
| 665 | FLIST_HEAD(list); |
| 666 | struct fio_file *f; |
| 667 | unsigned int i; |
| 668 | |
| 669 | for_each_file(td, f, i) { |
| 670 | struct stat sb; |
| 671 | char buf[256]; |
| 672 | |
Jens Axboe | 4ccdccd | 2010-06-24 10:27:22 +0200 | [diff] [blame] | 673 | if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) { |
| 674 | if (f->real_file_size != -1ULL) |
| 675 | ret += f->real_file_size; |
Jens Axboe | 68b0316 | 2010-06-24 09:22:41 +0200 | [diff] [blame] | 676 | continue; |
| 677 | } else if (f->filetype != FIO_TYPE_FILE) |
| 678 | continue; |
| 679 | |
Jens Axboe | 2e3bd4c | 2010-05-17 12:29:57 +0200 | [diff] [blame] | 680 | strcpy(buf, f->file_name); |
| 681 | |
| 682 | if (stat(buf, &sb) < 0) { |
| 683 | if (errno != ENOENT) |
| 684 | break; |
| 685 | strcpy(buf, "."); |
| 686 | if (stat(buf, &sb) < 0) |
| 687 | break; |
| 688 | } |
| 689 | |
| 690 | fm = NULL; |
| 691 | flist_for_each(n, &list) { |
| 692 | fm = flist_entry(n, struct fio_mount, list); |
| 693 | if (fm->key == sb.st_dev) |
| 694 | break; |
| 695 | |
| 696 | fm = NULL; |
| 697 | } |
| 698 | |
| 699 | if (fm) |
| 700 | continue; |
| 701 | |
| 702 | fm = malloc(sizeof(*fm)); |
| 703 | strcpy(fm->__base, buf); |
| 704 | fm->base = basename(fm->__base); |
| 705 | fm->key = sb.st_dev; |
| 706 | flist_add(&fm->list, &list); |
| 707 | } |
| 708 | |
Jens Axboe | 2e3bd4c | 2010-05-17 12:29:57 +0200 | [diff] [blame] | 709 | flist_for_each_safe(n, tmp, &list) { |
| 710 | unsigned long long sz; |
| 711 | |
| 712 | fm = flist_entry(n, struct fio_mount, list); |
| 713 | flist_del(&fm->list); |
| 714 | |
| 715 | sz = get_fs_size(fm->base); |
| 716 | if (sz && sz != -1ULL) |
| 717 | ret += sz; |
| 718 | |
| 719 | free(fm); |
| 720 | } |
| 721 | |
| 722 | return ret; |
| 723 | } |
| 724 | |
Jens Axboe | bedc9dc | 2014-03-17 12:51:09 -0600 | [diff] [blame] | 725 | uint64_t get_start_offset(struct thread_data *td, struct fio_file *f) |
Dan Ehrenberg | ce95d65 | 2012-08-16 08:58:21 +0200 | [diff] [blame] | 726 | { |
Jens Axboe | bedc9dc | 2014-03-17 12:51:09 -0600 | [diff] [blame] | 727 | struct thread_options *o = &td->o; |
| 728 | |
| 729 | if (o->file_append && f->filetype == FIO_TYPE_FILE) |
| 730 | return f->real_file_size; |
| 731 | |
Dan Ehrenberg | ce95d65 | 2012-08-16 08:58:21 +0200 | [diff] [blame] | 732 | return td->o.start_offset + |
| 733 | (td->thread_number - 1) * td->o.offset_increment; |
| 734 | } |
| 735 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 736 | /* |
| 737 | * Open the files and setup files sizes, creating files if necessary. |
| 738 | */ |
| 739 | int setup_files(struct thread_data *td) |
| 740 | { |
| 741 | unsigned long long total_size, extend_size; |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 742 | struct thread_options *o = &td->o; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 743 | struct fio_file *f; |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 744 | unsigned int i, nr_fs_extra = 0; |
Jens Axboe | 000b080 | 2007-03-27 15:56:10 +0200 | [diff] [blame] | 745 | int err = 0, need_extend; |
Jens Axboe | e90391e | 2013-04-13 20:40:53 +0200 | [diff] [blame] | 746 | int old_state; |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 747 | const unsigned int bs = td_min_bs(td); |
| 748 | uint64_t fs = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 749 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 750 | dprint(FD_FILE, "setup files\n"); |
| 751 | |
Jens Axboe | 8edd973 | 2014-03-01 08:24:03 -0700 | [diff] [blame] | 752 | old_state = td_bump_runstate(td, TD_SETTING_UP); |
Jens Axboe | e90391e | 2013-04-13 20:40:53 +0200 | [diff] [blame] | 753 | |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 754 | if (o->read_iolog_file) |
Jens Axboe | 25460cf | 2012-05-02 13:58:02 +0200 | [diff] [blame] | 755 | goto done; |
Jens Axboe | 691c8fb | 2008-03-07 14:26:26 +0100 | [diff] [blame] | 756 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 757 | /* |
| 758 | * if ioengine defines a setup() method, it's responsible for |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 759 | * opening the files and setting f->real_file_size to indicate |
| 760 | * the valid range for that file. |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 761 | */ |
| 762 | if (td->io_ops->setup) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 763 | err = td->io_ops->setup(td); |
| 764 | else |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 765 | err = get_file_sizes(td); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 766 | |
Jens Axboe | f102706 | 2006-10-20 10:14:01 +0200 | [diff] [blame] | 767 | if (err) |
Jens Axboe | e90391e | 2013-04-13 20:40:53 +0200 | [diff] [blame] | 768 | goto err_out; |
Jens Axboe | f102706 | 2006-10-20 10:14:01 +0200 | [diff] [blame] | 769 | |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 770 | /* |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 771 | * check sizes. if the files/devices do not exist and the size |
| 772 | * isn't passed to fio, abort. |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 773 | */ |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 774 | total_size = 0; |
| 775 | for_each_file(td, f, i) { |
| 776 | if (f->real_file_size == -1ULL) |
| 777 | total_size = -1ULL; |
| 778 | else |
| 779 | total_size += f->real_file_size; |
| 780 | } |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 781 | |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 782 | if (o->fill_device) |
Jens Axboe | 2e3bd4c | 2010-05-17 12:29:57 +0200 | [diff] [blame] | 783 | td->fill_device_size = get_fs_free_counts(td); |
| 784 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 785 | /* |
| 786 | * device/file sizes are zero and no size given, punt |
| 787 | */ |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 788 | if ((!total_size || total_size == -1ULL) && !o->size && |
| 789 | !(td->io_ops->flags & FIO_NOIO) && !o->fill_device && |
| 790 | !(o->nr_files && (o->file_size_low || o->file_size_high))) { |
| 791 | log_err("%s: you need to specify size=\n", o->name); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 792 | td_verror(td, EINVAL, "total_file_size"); |
Jens Axboe | e90391e | 2013-04-13 20:40:53 +0200 | [diff] [blame] | 793 | goto err_out; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 794 | } |
| 795 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 796 | /* |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 797 | * Calculate per-file size and potential extra size for the |
| 798 | * first files, if needed. |
| 799 | */ |
| 800 | if (!o->file_size_low) { |
| 801 | uint64_t all_fs; |
| 802 | |
| 803 | fs = o->size / o->nr_files; |
| 804 | all_fs = fs * o->nr_files; |
| 805 | |
| 806 | if (all_fs < o->size) |
| 807 | nr_fs_extra = (o->size - all_fs) / bs; |
| 808 | } |
| 809 | |
| 810 | /* |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 811 | * now file sizes are known, so we can set ->io_size. if size= is |
| 812 | * not given, ->io_size is just equal to ->real_file_size. if size |
| 813 | * is given, ->io_size is size / nr_files. |
| 814 | */ |
| 815 | extend_size = total_size = 0; |
| 816 | need_extend = 0; |
| 817 | for_each_file(td, f, i) { |
Jens Axboe | bedc9dc | 2014-03-17 12:51:09 -0600 | [diff] [blame] | 818 | f->file_offset = get_start_offset(td, f); |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 819 | |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 820 | if (!o->file_size_low) { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 821 | /* |
| 822 | * no file size range given, file size is equal to |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 823 | * total size divided by number of files. If that is |
| 824 | * zero, set it to the real file size. If the size |
| 825 | * doesn't divide nicely with the min blocksize, |
| 826 | * make the first files bigger. |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 827 | */ |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 828 | f->io_size = fs; |
| 829 | if (nr_fs_extra) { |
| 830 | nr_fs_extra--; |
| 831 | f->io_size += bs; |
| 832 | } |
| 833 | |
Jens Axboe | 65bdb10 | 2008-01-24 13:13:12 +0100 | [diff] [blame] | 834 | if (!f->io_size) |
Jens Axboe | 273f8c9 | 2008-01-25 14:02:15 +0100 | [diff] [blame] | 835 | f->io_size = f->real_file_size - f->file_offset; |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 836 | } else if (f->real_file_size < o->file_size_low || |
| 837 | f->real_file_size > o->file_size_high) { |
| 838 | if (f->file_offset > o->file_size_low) |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 839 | goto err_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 840 | /* |
| 841 | * file size given. if it's fixed, use that. if it's a |
| 842 | * range, generate a random size in-between. |
| 843 | */ |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 844 | if (o->file_size_low == o->file_size_high) |
| 845 | f->io_size = o->file_size_low - f->file_offset; |
| 846 | else { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 847 | f->io_size = get_rand_file_size(td) |
| 848 | - f->file_offset; |
| 849 | } |
Jens Axboe | 65bdb10 | 2008-01-24 13:13:12 +0100 | [diff] [blame] | 850 | } else |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 851 | f->io_size = f->real_file_size - f->file_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 852 | |
| 853 | if (f->io_size == -1ULL) |
| 854 | total_size = -1ULL; |
Shaohua Li | 4d00256 | 2012-09-21 08:32:32 +0200 | [diff] [blame] | 855 | else { |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 856 | if (o->size_percent) |
| 857 | f->io_size = (f->io_size * o->size_percent) / 100; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 858 | total_size += f->io_size; |
Shaohua Li | 4d00256 | 2012-09-21 08:32:32 +0200 | [diff] [blame] | 859 | } |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 860 | |
| 861 | if (f->filetype == FIO_TYPE_FILE && |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 862 | (f->io_size + f->file_offset) > f->real_file_size && |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 863 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 864 | if (!o->create_on_open) { |
Jens Axboe | 814452b | 2009-03-04 12:53:13 +0100 | [diff] [blame] | 865 | need_extend++; |
| 866 | extend_size += (f->io_size + f->file_offset); |
| 867 | } else |
| 868 | f->real_file_size = f->io_size + f->file_offset; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 869 | fio_file_set_extend(f); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 870 | } |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 871 | } |
| 872 | |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 873 | if (!o->size || o->size > total_size) |
| 874 | o->size = total_size; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 875 | |
| 876 | /* |
| 877 | * See if we need to extend some files |
| 878 | */ |
| 879 | if (need_extend) { |
| 880 | temp_stall_ts = 1; |
Jens Axboe | f3afa57 | 2012-09-17 13:34:16 +0200 | [diff] [blame] | 881 | if (output_format == FIO_OUTPUT_NORMAL) |
Shaozhi Shawn Ye | a7ba8c5 | 2008-09-10 09:04:18 +0200 | [diff] [blame] | 882 | log_info("%s: Laying out IO file(s) (%u file(s) /" |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 883 | " %lluMB)\n", o->name, need_extend, |
Shaozhi Shawn Ye | a7ba8c5 | 2008-09-10 09:04:18 +0200 | [diff] [blame] | 884 | extend_size >> 20); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 885 | |
| 886 | for_each_file(td, f, i) { |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 887 | unsigned long long old_len = -1ULL, extend_len = -1ULL; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 888 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 889 | if (!fio_file_extend(f)) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 890 | continue; |
| 891 | |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 892 | assert(f->filetype == FIO_TYPE_FILE); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 893 | fio_file_clear_extend(f); |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 894 | if (!o->fill_device) { |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 895 | old_len = f->real_file_size; |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 896 | extend_len = f->io_size + f->file_offset - |
| 897 | old_len; |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 898 | } |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 899 | f->real_file_size = (f->io_size + f->file_offset); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 900 | err = extend_file(td, f); |
| 901 | if (err) |
| 902 | break; |
Jens Axboe | 5e0074c | 2009-06-02 21:40:09 +0200 | [diff] [blame] | 903 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 904 | err = __file_invalidate_cache(td, f, old_len, |
| 905 | extend_len); |
| 906 | close(f->fd); |
| 907 | f->fd = -1; |
| 908 | if (err) |
| 909 | break; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 910 | } |
| 911 | temp_stall_ts = 0; |
| 912 | } |
| 913 | |
| 914 | if (err) |
Jens Axboe | e90391e | 2013-04-13 20:40:53 +0200 | [diff] [blame] | 915 | goto err_out; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 916 | |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 917 | if (!o->zone_size) |
| 918 | o->zone_size = o->size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 919 | |
Jens Axboe | ea966f8 | 2007-09-03 10:09:37 +0200 | [diff] [blame] | 920 | /* |
| 921 | * iolog already set the total io size, if we read back |
| 922 | * stored entries. |
| 923 | */ |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 924 | if (!o->read_iolog_file) |
| 925 | td->total_io_size = o->size * o->loops; |
Jens Axboe | 25460cf | 2012-05-02 13:58:02 +0200 | [diff] [blame] | 926 | |
| 927 | done: |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 928 | if (o->create_only) |
Jens Axboe | 25460cf | 2012-05-02 13:58:02 +0200 | [diff] [blame] | 929 | td->done = 1; |
| 930 | |
Jens Axboe | 8edd973 | 2014-03-01 08:24:03 -0700 | [diff] [blame] | 931 | td_restore_runstate(td, old_state); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 932 | return 0; |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 933 | err_offset: |
Jens Axboe | de98bd3 | 2013-04-05 11:09:20 +0200 | [diff] [blame] | 934 | log_err("%s: you need to specify valid offset=\n", o->name); |
Jens Axboe | e90391e | 2013-04-13 20:40:53 +0200 | [diff] [blame] | 935 | err_out: |
Jens Axboe | 8edd973 | 2014-03-01 08:24:03 -0700 | [diff] [blame] | 936 | td_restore_runstate(td, old_state); |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 937 | return 1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 938 | } |
| 939 | |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame] | 940 | int pre_read_files(struct thread_data *td) |
| 941 | { |
| 942 | struct fio_file *f; |
| 943 | unsigned int i; |
| 944 | |
| 945 | dprint(FD_FILE, "pre_read files\n"); |
| 946 | |
| 947 | for_each_file(td, f, i) { |
| 948 | pre_read_file(td, f); |
| 949 | } |
| 950 | |
| 951 | return 1; |
| 952 | } |
| 953 | |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 954 | static int __init_rand_distribution(struct thread_data *td, struct fio_file *f) |
| 955 | { |
Jens Axboe | 2316296 | 2012-11-07 19:47:47 +0100 | [diff] [blame] | 956 | unsigned int range_size, seed; |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 957 | unsigned long nranges; |
Jens Axboe | 21415db | 2013-01-04 13:09:29 +0100 | [diff] [blame] | 958 | uint64_t file_size; |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 959 | |
| 960 | range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]); |
Jens Axboe | 21415db | 2013-01-04 13:09:29 +0100 | [diff] [blame] | 961 | file_size = min(f->real_file_size, f->io_size); |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 962 | |
Jens Axboe | 21415db | 2013-01-04 13:09:29 +0100 | [diff] [blame] | 963 | nranges = (file_size + range_size - 1) / range_size; |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 964 | |
Jens Axboe | 2316296 | 2012-11-07 19:47:47 +0100 | [diff] [blame] | 965 | seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number; |
Jens Axboe | 8425687 | 2012-11-17 10:06:36 -0700 | [diff] [blame] | 966 | if (!td->o.rand_repeatable) |
| 967 | seed = td->rand_seeds[4]; |
| 968 | |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 969 | if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
Jens Axboe | 888677a | 2013-04-10 22:19:46 +0200 | [diff] [blame] | 970 | zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed); |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 971 | else |
Jens Axboe | 888677a | 2013-04-10 22:19:46 +0200 | [diff] [blame] | 972 | pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed); |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 973 | |
| 974 | return 1; |
| 975 | } |
| 976 | |
| 977 | static int init_rand_distribution(struct thread_data *td) |
| 978 | { |
| 979 | struct fio_file *f; |
| 980 | unsigned int i; |
| 981 | int state; |
| 982 | |
| 983 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) |
| 984 | return 0; |
| 985 | |
Jens Axboe | 8edd973 | 2014-03-01 08:24:03 -0700 | [diff] [blame] | 986 | state = td_bump_runstate(td, TD_SETTING_UP); |
| 987 | |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 988 | for_each_file(td, f, i) |
| 989 | __init_rand_distribution(td, f); |
Jens Axboe | 8edd973 | 2014-03-01 08:24:03 -0700 | [diff] [blame] | 990 | |
| 991 | td_restore_runstate(td, state); |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 992 | |
| 993 | return 1; |
| 994 | } |
| 995 | |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 996 | int init_random_map(struct thread_data *td) |
| 997 | { |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 998 | unsigned long long blocks; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 999 | struct fio_file *f; |
| 1000 | unsigned int i; |
| 1001 | |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 1002 | if (init_rand_distribution(td)) |
| 1003 | return 0; |
Jens Axboe | 3831a84 | 2012-11-26 19:59:14 +0100 | [diff] [blame] | 1004 | if (!td_random(td)) |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 1005 | return 0; |
| 1006 | |
| 1007 | for_each_file(td, f, i) { |
Jens Axboe | 38f30c8 | 2013-01-11 14:03:05 +0100 | [diff] [blame] | 1008 | uint64_t file_size = min(f->real_file_size, f->io_size); |
| 1009 | |
Jens Axboe | 53737ae | 2013-02-21 15:18:17 +0100 | [diff] [blame] | 1010 | blocks = file_size / (unsigned long long) td->o.rw_min_bs; |
| 1011 | |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 1012 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) { |
Jens Axboe | 82af46b | 2012-12-04 13:12:25 +0100 | [diff] [blame] | 1013 | unsigned long seed; |
| 1014 | |
| 1015 | seed = td->rand_seeds[FIO_RAND_BLOCK_OFF]; |
| 1016 | |
Jens Axboe | 225ba9e | 2014-02-26 14:31:15 -0800 | [diff] [blame] | 1017 | if (!lfsr_init(&f->lfsr, blocks, seed, 0)) |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 1018 | continue; |
Jens Axboe | 3831a84 | 2012-11-26 19:59:14 +0100 | [diff] [blame] | 1019 | } else if (!td->o.norandommap) { |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 1020 | f->io_axmap = axmap_new(blocks); |
| 1021 | if (f->io_axmap) |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 1022 | continue; |
Jens Axboe | 1cad712 | 2012-11-29 21:37:11 +0100 | [diff] [blame] | 1023 | } else if (td->o.norandommap) |
| 1024 | continue; |
Jens Axboe | ceadd59 | 2012-02-02 08:41:28 +0100 | [diff] [blame] | 1025 | |
Jens Axboe | 2b386d2 | 2008-03-26 10:32:57 +0100 | [diff] [blame] | 1026 | if (!td->o.softrandommap) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1027 | log_err("fio: failed allocating random map. If running" |
| 1028 | " a large number of jobs, try the 'norandommap'" |
Jens Axboe | 2b386d2 | 2008-03-26 10:32:57 +0100 | [diff] [blame] | 1029 | " option or set 'softrandommap'. Or give" |
| 1030 | " a larger --alloc-size to fio.\n"); |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 1031 | return 1; |
| 1032 | } |
Jens Axboe | 303032a | 2008-03-26 10:11:10 +0100 | [diff] [blame] | 1033 | |
| 1034 | log_info("fio: file %s failed allocating random map. Running " |
| 1035 | "job without.\n", f->file_name); |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 1036 | } |
| 1037 | |
| 1038 | return 0; |
| 1039 | } |
| 1040 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 1041 | void close_files(struct thread_data *td) |
| 1042 | { |
Jens Axboe | 0ab8db8 | 2006-10-18 17:16:23 +0200 | [diff] [blame] | 1043 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1044 | unsigned int i; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 1045 | |
Jens Axboe | 2be3eec | 2009-06-10 09:05:13 +0200 | [diff] [blame] | 1046 | for_each_file(td, f, i) { |
| 1047 | if (fio_file_open(f)) |
| 1048 | td_io_close_file(td, f); |
| 1049 | } |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 1050 | } |
| 1051 | |
| 1052 | void close_and_free_files(struct thread_data *td) |
| 1053 | { |
| 1054 | struct fio_file *f; |
| 1055 | unsigned int i; |
| 1056 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1057 | dprint(FD_FILE, "close files\n"); |
| 1058 | |
Jens Axboe | 0ab8db8 | 2006-10-18 17:16:23 +0200 | [diff] [blame] | 1059 | for_each_file(td, f, i) { |
Jens Axboe | 22a57ba | 2009-06-09 14:34:35 +0200 | [diff] [blame] | 1060 | if (fio_file_open(f)) |
| 1061 | td_io_close_file(td, f); |
| 1062 | |
Shaozhi Shawn Ye | b9fbcf2 | 2008-09-10 09:05:17 +0200 | [diff] [blame] | 1063 | remove_file_hash(f); |
Jens Axboe | b3dc7f0 | 2007-03-09 12:52:15 +0100 | [diff] [blame] | 1064 | |
Jens Axboe | b5f4d8b | 2014-03-20 08:28:11 -0600 | [diff] [blame^] | 1065 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
| 1066 | dprint(FD_FILE, "free unlink %s\n", f->file_name); |
| 1067 | unlink(f->file_name); |
| 1068 | } |
| 1069 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 1070 | sfree(f->file_name); |
Jens Axboe | fa1da86 | 2007-03-23 15:20:54 +0100 | [diff] [blame] | 1071 | f->file_name = NULL; |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 1072 | axmap_free(f->io_axmap); |
| 1073 | f->io_axmap = NULL; |
Jens Axboe | 78d99e6 | 2008-03-01 18:41:50 +0100 | [diff] [blame] | 1074 | sfree(f); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 1075 | } |
Jens Axboe | b4a6a59 | 2006-10-20 13:54:47 +0200 | [diff] [blame] | 1076 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1077 | td->o.filename = NULL; |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 1078 | free(td->files); |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1079 | free(td->file_locks); |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 1080 | td->files_index = 0; |
Jens Axboe | b4a6a59 | 2006-10-20 13:54:47 +0200 | [diff] [blame] | 1081 | td->files = NULL; |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1082 | td->file_locks = NULL; |
Jens Axboe | 27ddbfa | 2014-01-22 16:27:32 -0800 | [diff] [blame] | 1083 | td->o.file_lock_mode = FILE_LOCK_NONE; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1084 | td->o.nr_files = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 1085 | } |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1086 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 1087 | static void get_file_type(struct fio_file *f) |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1088 | { |
| 1089 | struct stat sb; |
| 1090 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 1091 | if (!strcmp(f->file_name, "-")) |
| 1092 | f->filetype = FIO_TYPE_PIPE; |
| 1093 | else |
| 1094 | f->filetype = FIO_TYPE_FILE; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1095 | |
Bruce Cran | 3892182 | 2012-02-22 17:55:16 +0000 | [diff] [blame] | 1096 | /* \\.\ is the device namespace in Windows, where every file is |
| 1097 | * a block device */ |
| 1098 | if (strncmp(f->file_name, "\\\\.\\", 4) == 0) |
| 1099 | f->filetype = FIO_TYPE_BD; |
| 1100 | |
Jens Axboe | b30d395 | 2010-02-06 23:36:26 +0100 | [diff] [blame] | 1101 | if (!stat(f->file_name, &sb)) { |
Bruce Cran | 3892182 | 2012-02-22 17:55:16 +0000 | [diff] [blame] | 1102 | if (S_ISBLK(sb.st_mode)) |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1103 | f->filetype = FIO_TYPE_BD; |
| 1104 | else if (S_ISCHR(sb.st_mode)) |
| 1105 | f->filetype = FIO_TYPE_CHAR; |
Jens Axboe | b5605e9 | 2007-04-16 20:42:33 +0200 | [diff] [blame] | 1106 | else if (S_ISFIFO(sb.st_mode)) |
| 1107 | f->filetype = FIO_TYPE_PIPE; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1108 | } |
| 1109 | } |
| 1110 | |
Christian Ehrhardt | bcbfeef | 2014-02-20 09:13:06 -0800 | [diff] [blame] | 1111 | static void set_already_allocated(const char *fname) { |
| 1112 | struct file_name *fn; |
| 1113 | |
| 1114 | fn = malloc(sizeof(struct file_name)); |
| 1115 | fn->filename = strdup(fname); |
| 1116 | flist_add_tail(&fn->list, &filename_list); |
| 1117 | } |
| 1118 | |
| 1119 | static int is_already_allocated(const char *fname) |
| 1120 | { |
| 1121 | struct flist_head *entry; |
| 1122 | char *filename; |
| 1123 | |
| 1124 | if (!flist_empty(&filename_list)) |
| 1125 | { |
| 1126 | flist_for_each(entry, &filename_list) { |
| 1127 | filename = flist_entry(entry, struct file_name, list)->filename; |
| 1128 | |
| 1129 | if (strcmp(filename, fname) == 0) |
| 1130 | return 1; |
| 1131 | } |
| 1132 | } |
| 1133 | |
| 1134 | return 0; |
| 1135 | } |
| 1136 | |
| 1137 | static void free_already_allocated() { |
| 1138 | struct flist_head *entry, *tmp; |
| 1139 | struct file_name *fn; |
| 1140 | |
| 1141 | if (!flist_empty(&filename_list)) |
| 1142 | { |
| 1143 | flist_for_each_safe(entry, tmp, &filename_list) { |
| 1144 | fn = flist_entry(entry, struct file_name, list); |
| 1145 | free(fn->filename); |
| 1146 | flist_del(&fn->list); |
| 1147 | free(fn); |
| 1148 | } |
| 1149 | } |
| 1150 | } |
| 1151 | |
Jens Axboe | 5903e7b | 2014-02-26 13:42:13 -0800 | [diff] [blame] | 1152 | int add_file(struct thread_data *td, const char *fname, int numjob, int inc) |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1153 | { |
Jens Axboe | 7b4e4fe | 2007-03-13 12:51:40 +0100 | [diff] [blame] | 1154 | int cur_files = td->files_index; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 1155 | char file_name[PATH_MAX]; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1156 | struct fio_file *f; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 1157 | int len = 0; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1158 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1159 | dprint(FD_FILE, "add file %s\n", fname); |
| 1160 | |
Christian Ehrhardt | bcbfeef | 2014-02-20 09:13:06 -0800 | [diff] [blame] | 1161 | if (td->o.directory) |
| 1162 | len = set_name_idx(file_name, td->o.directory, numjob); |
| 1163 | |
| 1164 | sprintf(file_name + len, "%s", fname); |
| 1165 | |
| 1166 | /* clean cloned siblings using existing files */ |
| 1167 | if (numjob && is_already_allocated(file_name)) |
| 1168 | return 0; |
| 1169 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 1170 | f = smalloc(sizeof(*f)); |
Jens Axboe | c48c0be | 2008-07-31 19:55:02 +0200 | [diff] [blame] | 1171 | if (!f) { |
| 1172 | log_err("fio: smalloc OOM\n"); |
| 1173 | assert(0); |
| 1174 | } |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 1175 | |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1176 | f->fd = -1; |
Jens Axboe | e6c4d73 | 2012-12-12 08:16:27 +0100 | [diff] [blame] | 1177 | f->shadow_fd = -1; |
Jens Axboe | 33c4881 | 2013-01-21 09:46:06 -0700 | [diff] [blame] | 1178 | fio_file_reset(td, f); |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 1179 | |
Jens Axboe | fc99bc0 | 2009-03-04 15:27:42 +0100 | [diff] [blame] | 1180 | if (td->files_size <= td->files_index) { |
Jianpeng Ma | 1983e32 | 2013-01-10 13:19:27 +0100 | [diff] [blame] | 1181 | unsigned int new_size = td->o.nr_files + 1; |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 1182 | |
Jens Axboe | fc99bc0 | 2009-03-04 15:27:42 +0100 | [diff] [blame] | 1183 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
| 1184 | |
| 1185 | td->files = realloc(td->files, new_size * sizeof(f)); |
Jianpeng Ma | d537c08 | 2013-01-11 08:52:55 +0100 | [diff] [blame] | 1186 | if (td->files == NULL) { |
| 1187 | log_err("fio: realloc OOM\n"); |
| 1188 | assert(0); |
| 1189 | } |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1190 | if (td->o.file_lock_mode != FILE_LOCK_NONE) { |
| 1191 | td->file_locks = realloc(td->file_locks, new_size); |
| 1192 | if (!td->file_locks) { |
| 1193 | log_err("fio: realloc OOM\n"); |
| 1194 | assert(0); |
| 1195 | } |
| 1196 | td->file_locks[cur_files] = FILE_LOCK_NONE; |
| 1197 | } |
Jens Axboe | fc99bc0 | 2009-03-04 15:27:42 +0100 | [diff] [blame] | 1198 | td->files_size = new_size; |
| 1199 | } |
Jens Axboe | 8bb7679 | 2009-03-04 15:37:52 +0100 | [diff] [blame] | 1200 | td->files[cur_files] = f; |
Shaohua Li | 89ac1d4 | 2012-06-11 08:56:32 +0200 | [diff] [blame] | 1201 | f->fileno = cur_files; |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 1202 | |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 1203 | /* |
| 1204 | * init function, io engine may not be loaded yet |
| 1205 | */ |
| 1206 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) |
| 1207 | f->real_file_size = -1ULL; |
| 1208 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 1209 | f->file_name = smalloc_strdup(file_name); |
Jens Axboe | c48c0be | 2008-07-31 19:55:02 +0200 | [diff] [blame] | 1210 | if (!f->file_name) { |
| 1211 | log_err("fio: smalloc OOM\n"); |
| 1212 | assert(0); |
| 1213 | } |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 1214 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 1215 | get_file_type(f); |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1216 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1217 | switch (td->o.file_lock_mode) { |
| 1218 | case FILE_LOCK_NONE: |
| 1219 | break; |
| 1220 | case FILE_LOCK_READWRITE: |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1221 | f->rwlock = fio_rwlock_init(); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1222 | break; |
| 1223 | case FILE_LOCK_EXCLUSIVE: |
Jens Axboe | 521da52 | 2012-08-02 11:21:36 +0200 | [diff] [blame] | 1224 | f->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1225 | break; |
| 1226 | default: |
| 1227 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); |
| 1228 | assert(0); |
| 1229 | } |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 1230 | |
Jens Axboe | 7b4e4fe | 2007-03-13 12:51:40 +0100 | [diff] [blame] | 1231 | td->files_index++; |
Jens Axboe | 1549441 | 2007-03-13 11:52:47 +0100 | [diff] [blame] | 1232 | if (f->filetype == FIO_TYPE_FILE) |
| 1233 | td->nr_normal_files++; |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 1234 | |
Christian Ehrhardt | bcbfeef | 2014-02-20 09:13:06 -0800 | [diff] [blame] | 1235 | set_already_allocated(file_name); |
| 1236 | |
Jens Axboe | bcd27f7 | 2014-02-25 14:01:26 -0800 | [diff] [blame] | 1237 | /* |
| 1238 | * For adding files after the fact - if openfiles= isn't |
| 1239 | * given as an option, ensure we allow at least one file open |
| 1240 | */ |
| 1241 | if (!td->o.open_files) |
| 1242 | td->o.open_files = 1; |
| 1243 | |
Jens Axboe | 5903e7b | 2014-02-26 13:42:13 -0800 | [diff] [blame] | 1244 | if (inc) |
| 1245 | td->o.nr_files++; |
| 1246 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1247 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
| 1248 | cur_files); |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 1249 | |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 1250 | return cur_files; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 1251 | } |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 1252 | |
Jens Axboe | 49ffb4a | 2010-08-24 15:01:37 +0200 | [diff] [blame] | 1253 | int add_file_exclusive(struct thread_data *td, const char *fname) |
| 1254 | { |
| 1255 | struct fio_file *f; |
| 1256 | unsigned int i; |
| 1257 | |
| 1258 | for_each_file(td, f, i) { |
| 1259 | if (!strcmp(f->file_name, fname)) |
| 1260 | return i; |
| 1261 | } |
| 1262 | |
Jens Axboe | 5903e7b | 2014-02-26 13:42:13 -0800 | [diff] [blame] | 1263 | return add_file(td, fname, 0, 1); |
Jens Axboe | 49ffb4a | 2010-08-24 15:01:37 +0200 | [diff] [blame] | 1264 | } |
| 1265 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 1266 | void get_file(struct fio_file *f) |
| 1267 | { |
Jens Axboe | 8172fe9 | 2008-02-01 21:51:02 +0100 | [diff] [blame] | 1268 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1269 | assert(fio_file_open(f)); |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 1270 | f->references++; |
| 1271 | } |
| 1272 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 1273 | int put_file(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 1274 | { |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 1275 | int f_ret = 0, ret = 0; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 1276 | |
Jens Axboe | 8172fe9 | 2008-02-01 21:51:02 +0100 | [diff] [blame] | 1277 | dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references); |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1278 | |
Jens Axboe | 22a57ba | 2009-06-09 14:34:35 +0200 | [diff] [blame] | 1279 | if (!fio_file_open(f)) { |
| 1280 | assert(f->fd == -1); |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 1281 | return 0; |
Jens Axboe | 22a57ba | 2009-06-09 14:34:35 +0200 | [diff] [blame] | 1282 | } |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 1283 | |
| 1284 | assert(f->references); |
| 1285 | if (--f->references) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 1286 | return 0; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 1287 | |
Jens Axboe | d424d4d | 2007-04-17 09:05:10 +0200 | [diff] [blame] | 1288 | if (should_fsync(td) && td->o.fsync_on_close) |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 1289 | f_ret = fsync(f->fd); |
Jens Axboe | ebb1415 | 2007-03-13 14:42:15 +0100 | [diff] [blame] | 1290 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 1291 | if (td->io_ops->close_file) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 1292 | ret = td->io_ops->close_file(td, f); |
Jens Axboe | 1020a13 | 2007-03-29 11:15:06 +0200 | [diff] [blame] | 1293 | |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 1294 | if (!ret) |
Jens Axboe | a5fb461 | 2008-05-28 10:54:01 +0200 | [diff] [blame] | 1295 | ret = f_ret; |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 1296 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 1297 | td->nr_open_files--; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1298 | fio_file_clear_open(f); |
Jens Axboe | 22a57ba | 2009-06-09 14:34:35 +0200 | [diff] [blame] | 1299 | assert(f->fd == -1); |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 1300 | return ret; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 1301 | } |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 1302 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1303 | void lock_file(struct thread_data *td, struct fio_file *f, enum fio_ddir ddir) |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 1304 | { |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1305 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
| 1306 | return; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 1307 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1308 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
| 1309 | if (ddir == DDIR_READ) |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1310 | fio_rwlock_read(f->rwlock); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1311 | else |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1312 | fio_rwlock_write(f->rwlock); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1313 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
| 1314 | fio_mutex_down(f->lock); |
| 1315 | |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1316 | td->file_locks[f->fileno] = td->o.file_lock_mode; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1317 | } |
| 1318 | |
| 1319 | void unlock_file(struct thread_data *td, struct fio_file *f) |
| 1320 | { |
| 1321 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
| 1322 | return; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1323 | |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1324 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
| 1325 | fio_rwlock_unlock(f->rwlock); |
| 1326 | else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1327 | fio_mutex_up(f->lock); |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1328 | |
| 1329 | td->file_locks[f->fileno] = FILE_LOCK_NONE; |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 1330 | } |
| 1331 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 1332 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 1333 | { |
Jens Axboe | f2a2803 | 2014-02-11 09:12:06 -0700 | [diff] [blame] | 1334 | if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks) |
Jens Axboe | 27ddbfa | 2014-01-22 16:27:32 -0800 | [diff] [blame] | 1335 | return; |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1336 | if (td->file_locks[f->fileno] != FILE_LOCK_NONE) |
| 1337 | unlock_file(td, f); |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 1338 | } |
| 1339 | |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 1340 | static int recurse_dir(struct thread_data *td, const char *dirname) |
| 1341 | { |
| 1342 | struct dirent *dir; |
| 1343 | int ret = 0; |
| 1344 | DIR *D; |
| 1345 | |
| 1346 | D = opendir(dirname); |
| 1347 | if (!D) { |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 1348 | char buf[FIO_VERROR_SIZE]; |
| 1349 | |
Ken Raeburn | 98ffb8f | 2013-01-30 22:31:09 +0100 | [diff] [blame] | 1350 | snprintf(buf, FIO_VERROR_SIZE, "opendir(%s)", dirname); |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 1351 | td_verror(td, errno, buf); |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 1352 | return 1; |
| 1353 | } |
| 1354 | |
| 1355 | while ((dir = readdir(D)) != NULL) { |
| 1356 | char full_path[PATH_MAX]; |
| 1357 | struct stat sb; |
| 1358 | |
Jens Axboe | e85b2b8 | 2007-03-14 09:39:06 +0100 | [diff] [blame] | 1359 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
| 1360 | continue; |
Jens Axboe | 96d32d5 | 2007-03-14 09:16:09 +0100 | [diff] [blame] | 1361 | |
Bruce Cran | b9fd788 | 2012-02-20 17:01:46 +0000 | [diff] [blame] | 1362 | sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name); |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 1363 | |
| 1364 | if (lstat(full_path, &sb) == -1) { |
| 1365 | if (errno != ENOENT) { |
| 1366 | td_verror(td, errno, "stat"); |
| 1367 | return 1; |
| 1368 | } |
| 1369 | } |
| 1370 | |
| 1371 | if (S_ISREG(sb.st_mode)) { |
Jens Axboe | 5903e7b | 2014-02-26 13:42:13 -0800 | [diff] [blame] | 1372 | add_file(td, full_path, 0, 1); |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 1373 | continue; |
| 1374 | } |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 1375 | if (!S_ISDIR(sb.st_mode)) |
| 1376 | continue; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 1377 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1378 | ret = recurse_dir(td, full_path); |
| 1379 | if (ret) |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 1380 | break; |
| 1381 | } |
| 1382 | |
| 1383 | closedir(D); |
| 1384 | return ret; |
| 1385 | } |
| 1386 | |
| 1387 | int add_dir_files(struct thread_data *td, const char *path) |
| 1388 | { |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 1389 | int ret = recurse_dir(td, path); |
| 1390 | |
| 1391 | if (!ret) |
| 1392 | log_info("fio: opendir added %d files\n", td->o.nr_files); |
| 1393 | |
| 1394 | return ret; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 1395 | } |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 1396 | |
| 1397 | void dup_files(struct thread_data *td, struct thread_data *org) |
| 1398 | { |
| 1399 | struct fio_file *f; |
| 1400 | unsigned int i; |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 1401 | |
| 1402 | dprint(FD_FILE, "dup files: %d\n", org->files_index); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 1403 | |
| 1404 | if (!org->files) |
| 1405 | return; |
| 1406 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 1407 | td->files = malloc(org->files_index * sizeof(f)); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 1408 | |
Jens Axboe | d7df1d1 | 2013-03-20 19:57:01 -0600 | [diff] [blame] | 1409 | if (td->o.file_lock_mode != FILE_LOCK_NONE) |
| 1410 | td->file_locks = malloc(org->files_index); |
| 1411 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 1412 | for_each_file(org, f, i) { |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 1413 | struct fio_file *__f; |
| 1414 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 1415 | __f = smalloc(sizeof(*__f)); |
Jens Axboe | c48c0be | 2008-07-31 19:55:02 +0200 | [diff] [blame] | 1416 | if (!__f) { |
| 1417 | log_err("fio: smalloc OOM\n"); |
| 1418 | assert(0); |
| 1419 | } |
Jens Axboe | 22a57ba | 2009-06-09 14:34:35 +0200 | [diff] [blame] | 1420 | __f->fd = -1; |
Jens Axboe | 33c4881 | 2013-01-21 09:46:06 -0700 | [diff] [blame] | 1421 | fio_file_reset(td, __f); |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 1422 | |
Aaron Carroll | bc3456f | 2008-06-25 09:20:37 +0200 | [diff] [blame] | 1423 | if (f->file_name) { |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 1424 | __f->file_name = smalloc_strdup(f->file_name); |
Jens Axboe | c48c0be | 2008-07-31 19:55:02 +0200 | [diff] [blame] | 1425 | if (!__f->file_name) { |
| 1426 | log_err("fio: smalloc OOM\n"); |
| 1427 | assert(0); |
| 1428 | } |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 1429 | |
Aaron Carroll | bc3456f | 2008-06-25 09:20:37 +0200 | [diff] [blame] | 1430 | __f->filetype = f->filetype; |
| 1431 | } |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 1432 | |
Jens Axboe | 67ad924 | 2014-02-07 10:56:15 -0700 | [diff] [blame] | 1433 | if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
| 1434 | __f->lock = f->lock; |
| 1435 | else if (td->o.file_lock_mode == FILE_LOCK_READWRITE) |
| 1436 | __f->rwlock = f->rwlock; |
| 1437 | |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 1438 | td->files[i] = __f; |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 1439 | } |
| 1440 | } |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 1441 | |
| 1442 | /* |
| 1443 | * Returns the index that matches the filename, or -1 if not there |
| 1444 | */ |
| 1445 | int get_fileno(struct thread_data *td, const char *fname) |
| 1446 | { |
| 1447 | struct fio_file *f; |
| 1448 | unsigned int i; |
| 1449 | |
| 1450 | for_each_file(td, f, i) |
| 1451 | if (!strcmp(f->file_name, fname)) |
| 1452 | return i; |
| 1453 | |
| 1454 | return -1; |
| 1455 | } |
| 1456 | |
| 1457 | /* |
| 1458 | * For log usage, where we add/open/close files automatically |
| 1459 | */ |
| 1460 | void free_release_files(struct thread_data *td) |
| 1461 | { |
| 1462 | close_files(td); |
| 1463 | td->files_index = 0; |
| 1464 | td->nr_normal_files = 0; |
| 1465 | } |
Jens Axboe | 33c4881 | 2013-01-21 09:46:06 -0700 | [diff] [blame] | 1466 | |
| 1467 | void fio_file_reset(struct thread_data *td, struct fio_file *f) |
| 1468 | { |
| 1469 | f->last_pos = f->file_offset; |
| 1470 | f->last_start = -1ULL; |
| 1471 | if (f->io_axmap) |
| 1472 | axmap_reset(f->io_axmap); |
| 1473 | if (td->o.random_generator == FIO_RAND_GEN_LFSR) |
| 1474 | lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]); |
| 1475 | } |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1476 | |
| 1477 | int fio_files_done(struct thread_data *td) |
| 1478 | { |
| 1479 | struct fio_file *f; |
| 1480 | unsigned int i; |
| 1481 | |
| 1482 | for_each_file(td, f, i) |
| 1483 | if (!fio_file_done(f)) |
| 1484 | return 0; |
| 1485 | |
| 1486 | return 1; |
| 1487 | } |
Christian Ehrhardt | bcbfeef | 2014-02-20 09:13:06 -0800 | [diff] [blame] | 1488 | |
| 1489 | /* free memory used in initialization phase only */ |
| 1490 | void filesetup_mem_free() { |
| 1491 | free_already_allocated(); |
| 1492 | } |