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> |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 6 | #include <sys/stat.h> |
| 7 | #include <sys/mman.h> |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 8 | #include <sys/types.h> |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 9 | |
| 10 | #include "fio.h" |
| 11 | #include "os.h" |
| 12 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 13 | static int extend_file(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 25205e9 | 2006-10-19 20:50:14 +0200 | [diff] [blame] | 14 | { |
| 15 | unsigned long long left; |
| 16 | unsigned int bs; |
| 17 | char *b; |
| 18 | int r; |
Jens Axboe | b2a1519 | 2006-10-18 14:10:42 +0200 | [diff] [blame] | 19 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 20 | if (f->flags & FIO_FILE_EXISTS) { |
| 21 | if (unlink(f->file_name) < 0) { |
| 22 | td_verror(td, errno, "unlink"); |
| 23 | return 1; |
| 24 | } |
| 25 | } |
| 26 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 27 | f->fd = open(f->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
| 28 | if (f->fd < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 29 | td_verror(td, errno, "open"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 30 | return 1; |
| 31 | } |
| 32 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 33 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 34 | td_verror(td, errno, "ftruncate"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 35 | goto err; |
| 36 | } |
| 37 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 38 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 39 | td_verror(td, errno, "posix_fallocate"); |
Jens Axboe | 40f8298 | 2006-10-25 11:21:05 +0200 | [diff] [blame] | 40 | goto err; |
| 41 | } |
| 42 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 43 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
| 44 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 45 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 46 | left = f->real_file_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 47 | while (left && !td->terminate) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 48 | bs = td->o.max_bs[DDIR_WRITE]; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 49 | if (bs > left) |
| 50 | bs = left; |
| 51 | |
| 52 | r = write(f->fd, b, bs); |
| 53 | |
| 54 | if (r == (int) bs) { |
| 55 | left -= bs; |
| 56 | continue; |
| 57 | } else { |
| 58 | if (r < 0) |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 59 | td_verror(td, errno, "write"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 60 | else |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 61 | td_verror(td, EIO, "write"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 62 | |
| 63 | break; |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | if (td->terminate) |
| 68 | unlink(f->file_name); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 69 | else if (td->o.create_fsync) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 70 | fsync(f->fd); |
| 71 | |
| 72 | free(b); |
| 73 | close(f->fd); |
| 74 | f->fd = -1; |
| 75 | return 0; |
| 76 | err: |
| 77 | close(f->fd); |
| 78 | f->fd = -1; |
| 79 | return 1; |
| 80 | } |
| 81 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 82 | static unsigned long long get_rand_file_size(struct thread_data *td) |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 83 | { |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 84 | unsigned long long ret; |
| 85 | long r; |
| 86 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 87 | r = os_random_long(&td->file_size_state); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 88 | ret = td->o.file_size_low + (unsigned long long) ((double) td->o.file_size_high * (r / (RAND_MAX + 1.0))); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 89 | ret -= (ret % td->o.rw_min_bs); |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 90 | return ret; |
| 91 | } |
| 92 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 93 | static int file_size(struct thread_data *td, struct fio_file *f) |
| 94 | { |
| 95 | struct stat st; |
| 96 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 97 | if (fstat(f->fd, &st) == -1) { |
| 98 | td_verror(td, errno, "fstat"); |
| 99 | return 1; |
| 100 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 101 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 102 | f->real_file_size = st.st_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 103 | return 0; |
| 104 | } |
| 105 | |
| 106 | static int bdev_size(struct thread_data *td, struct fio_file *f) |
| 107 | { |
| 108 | unsigned long long bytes; |
| 109 | int r; |
| 110 | |
| 111 | r = blockdev_size(f->fd, &bytes); |
| 112 | if (r) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 113 | td_verror(td, r, "blockdev_size"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 114 | return 1; |
| 115 | } |
| 116 | |
| 117 | f->real_file_size = bytes; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 118 | return 0; |
| 119 | } |
| 120 | |
| 121 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
| 122 | { |
| 123 | int ret = 0; |
| 124 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 125 | if (f->filetype == FIO_TYPE_FILE) |
| 126 | ret = file_size(td, f); |
| 127 | else if (f->filetype == FIO_TYPE_BD) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 128 | ret = bdev_size(td, f); |
| 129 | else |
| 130 | f->real_file_size = -1; |
| 131 | |
| 132 | if (ret) |
| 133 | return ret; |
| 134 | |
| 135 | if (f->file_offset > f->real_file_size) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 136 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 137 | return 1; |
| 138 | } |
| 139 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 140 | return 0; |
| 141 | } |
| 142 | |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 143 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
| 144 | { |
| 145 | int ret = 0; |
| 146 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 147 | if (td->o.odirect) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 148 | return 0; |
| 149 | |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 150 | /* |
| 151 | * FIXME: add blockdev flushing too |
| 152 | */ |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 153 | if (f->mmap) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 154 | ret = madvise(f->mmap, f->io_size, MADV_DONTNEED); |
Jens Axboe | 467d1b6 | 2007-03-15 14:11:10 +0100 | [diff] [blame] | 155 | else if (f->filetype == FIO_TYPE_FILE) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 156 | ret = fadvise(f->fd, f->file_offset, f->io_size, POSIX_FADV_DONTNEED); |
Jens Axboe | 7e0e25c | 2007-03-27 12:49:56 +0200 | [diff] [blame] | 157 | else if (f->filetype == FIO_TYPE_BD) { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 158 | ret = blockdev_invalidate_cache(f->fd); |
Jens Axboe | 7e0e25c | 2007-03-27 12:49:56 +0200 | [diff] [blame] | 159 | if (ret < 0 && errno == EACCES && geteuid()) { |
| 160 | log_err("fio: only root may flush block devices. Cache flush bypassed!\n"); |
| 161 | ret = 0; |
| 162 | } |
| 163 | } else if (f->filetype == FIO_TYPE_CHAR) |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 164 | ret = 0; |
| 165 | |
| 166 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 167 | td_verror(td, errno, "invalidate_cache"); |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 168 | return 1; |
| 169 | } |
| 170 | |
Jens Axboe | ad2da60 | 2007-02-26 12:33:27 +0100 | [diff] [blame] | 171 | return ret; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 172 | } |
| 173 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 174 | void 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] | 175 | { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 176 | close(f->fd); |
| 177 | f->fd = -1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 178 | } |
| 179 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 180 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 181 | { |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 182 | int flags = 0; |
| 183 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 184 | if (td->o.odirect) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 185 | flags |= OS_O_DIRECT; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 186 | if (td->o.sync_io) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 187 | flags |= O_SYNC; |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 188 | |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 189 | if (td_write(td) || td_rw(td)) { |
| 190 | flags |= O_RDWR; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 191 | |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 192 | if (f->filetype == FIO_TYPE_FILE) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 193 | flags |= O_CREAT; |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 194 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 195 | f->fd = open(f->file_name, flags, 0600); |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 196 | } else { |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 197 | if (f->filetype == FIO_TYPE_CHAR) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 198 | flags |= O_RDWR; |
| 199 | else |
| 200 | flags |= O_RDONLY; |
| 201 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 202 | f->fd = open(f->file_name, flags); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | if (f->fd == -1) { |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 206 | char buf[FIO_VERROR_SIZE]; |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 207 | int __e = errno; |
| 208 | |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 209 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
| 210 | |
| 211 | td_verror(td, __e, buf); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 212 | } |
| 213 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 214 | if (get_file_size(td, f)) |
| 215 | goto err; |
| 216 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 217 | if (td->o.invalidate_cache && file_invalidate_cache(td, f)) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 218 | goto err; |
| 219 | |
Jens Axboe | 148cf6a | 2007-03-27 13:10:00 +0200 | [diff] [blame] | 220 | if (td->o.fadvise_hint) { |
| 221 | if (td_random(td)) |
| 222 | flags = POSIX_FADV_RANDOM; |
| 223 | else |
| 224 | flags = POSIX_FADV_SEQUENTIAL; |
Jens Axboe | d2f3ac3 | 2007-03-22 19:24:09 +0100 | [diff] [blame] | 225 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 226 | if (fadvise(f->fd, f->file_offset, f->io_size, flags) < 0) { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 227 | td_verror(td, errno, "fadvise"); |
| 228 | goto err; |
| 229 | } |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 230 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 231 | |
| 232 | return 0; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 233 | err: |
| 234 | close(f->fd); |
| 235 | return 1; |
| 236 | } |
| 237 | |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 238 | int open_files(struct thread_data *td) |
| 239 | { |
| 240 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 241 | unsigned int i; |
| 242 | int err = 0; |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 243 | |
| 244 | for_each_file(td, f, i) { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 245 | err = td_io_open_file(td, f); |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 246 | if (err) |
| 247 | break; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 248 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 249 | if (td->o.open_files == td->nr_open_files) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 250 | break; |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 251 | } |
| 252 | |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 253 | if (!err) |
| 254 | return 0; |
| 255 | |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 256 | for_each_file(td, f, i) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 257 | td_io_close_file(td, f); |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 258 | |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 259 | return err; |
| 260 | } |
| 261 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 262 | /* |
| 263 | * open/close all files, so that ->real_file_size gets set |
| 264 | */ |
| 265 | static int get_file_sizes(struct thread_data *td) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 266 | { |
| 267 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 268 | unsigned int i; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 269 | int err = 0; |
| 270 | |
| 271 | for_each_file(td, f, i) { |
| 272 | err = td->io_ops->open_file(td, f); |
| 273 | if (err) { |
| 274 | td->error = 0; |
| 275 | memset(td->verror, 0, sizeof(td->verror)); |
| 276 | err = 0; |
| 277 | continue; |
| 278 | } |
| 279 | |
| 280 | td->io_ops->close_file(td, f); |
| 281 | } |
| 282 | |
| 283 | return err; |
| 284 | } |
| 285 | |
| 286 | /* |
| 287 | * Open the files and setup files sizes, creating files if necessary. |
| 288 | */ |
| 289 | int setup_files(struct thread_data *td) |
| 290 | { |
| 291 | unsigned long long total_size, extend_size; |
| 292 | struct fio_file *f; |
| 293 | unsigned int i; |
| 294 | int err, need_extend; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 295 | |
| 296 | /* |
| 297 | * if ioengine defines a setup() method, it's responsible for |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 298 | * opening the files and setting f->real_file_size to indicate |
| 299 | * the valid range for that file. |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 300 | */ |
| 301 | if (td->io_ops->setup) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 302 | err = td->io_ops->setup(td); |
| 303 | else |
| 304 | err = get_file_sizes(td); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 305 | |
Jens Axboe | f102706 | 2006-10-20 10:14:01 +0200 | [diff] [blame] | 306 | if (err) |
| 307 | return err; |
| 308 | |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 309 | /* |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 310 | * check sizes. if the files/devices do not exist and the size |
| 311 | * isn't passed to fio, abort. |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 312 | */ |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 313 | total_size = 0; |
| 314 | for_each_file(td, f, i) { |
| 315 | if (f->real_file_size == -1ULL) |
| 316 | total_size = -1ULL; |
| 317 | else |
| 318 | total_size += f->real_file_size; |
| 319 | } |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 320 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 321 | /* |
| 322 | * device/file sizes are zero and no size given, punt |
| 323 | */ |
| 324 | if (!total_size && !td->o.size) { |
| 325 | log_err("%s: you need to specify size=\n", td->o.name); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 326 | td_verror(td, EINVAL, "total_file_size"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 327 | return 1; |
| 328 | } |
| 329 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 330 | /* |
| 331 | * now file sizes are known, so we can set ->io_size. if size= is |
| 332 | * not given, ->io_size is just equal to ->real_file_size. if size |
| 333 | * is given, ->io_size is size / nr_files. |
| 334 | */ |
| 335 | extend_size = total_size = 0; |
| 336 | need_extend = 0; |
| 337 | for_each_file(td, f, i) { |
| 338 | if (!td->o.file_size_low) { |
| 339 | /* |
| 340 | * no file size range given, file size is equal to |
| 341 | * total size divided by number of files. if that is |
| 342 | * zero, set it to the real file size. |
| 343 | */ |
| 344 | f->io_size = td->o.size / td->o.nr_files; |
| 345 | if (!f->io_size) |
| 346 | f->io_size = f->real_file_size; |
| 347 | } else if (f->real_file_size < td->o.file_size_low || |
| 348 | f->real_file_size > td->o.file_size_high) { |
| 349 | /* |
| 350 | * file size given. if it's fixed, use that. if it's a |
| 351 | * range, generate a random size in-between. |
| 352 | */ |
| 353 | if (td->o.file_size_low == td->o.file_size_high) |
| 354 | f->io_size = td->o.file_size_low; |
| 355 | else |
| 356 | f->io_size = get_rand_file_size(td); |
| 357 | } else |
| 358 | f->io_size = f->real_file_size; |
| 359 | |
| 360 | if (f->io_size == -1ULL) |
| 361 | total_size = -1ULL; |
| 362 | else |
| 363 | total_size += f->io_size; |
| 364 | |
| 365 | if (f->filetype == FIO_TYPE_FILE && |
| 366 | f->io_size > f->real_file_size && |
| 367 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
| 368 | need_extend++; |
| 369 | extend_size += f->io_size; |
| 370 | f->flags |= FIO_FILE_EXTEND; |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | if (!td->o.size) |
| 375 | td->o.size = total_size; |
| 376 | |
| 377 | /* |
| 378 | * See if we need to extend some files |
| 379 | */ |
| 380 | if (need_extend) { |
| 381 | temp_stall_ts = 1; |
| 382 | log_info("%s: Laying out IO file(s) (%u files / %LuMiB)\n", |
| 383 | td->o.name, need_extend, extend_size >> 20); |
| 384 | |
| 385 | for_each_file(td, f, i) { |
| 386 | if (!(f->flags & FIO_FILE_EXTEND)) |
| 387 | continue; |
| 388 | |
| 389 | f->flags &= ~FIO_FILE_EXTEND; |
| 390 | f->real_file_size = f->io_size; |
| 391 | err = extend_file(td, f); |
| 392 | if (err) |
| 393 | break; |
| 394 | } |
| 395 | temp_stall_ts = 0; |
| 396 | } |
| 397 | |
| 398 | if (err) |
| 399 | return err; |
| 400 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 401 | if (!td->o.zone_size) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 402 | td->o.zone_size = td->o.size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 403 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame^] | 404 | td->total_io_size = td->o.size * td->o.loops; |
| 405 | return 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 406 | } |
| 407 | |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 408 | int init_random_map(struct thread_data *td) |
| 409 | { |
| 410 | int num_maps, blocks; |
| 411 | struct fio_file *f; |
| 412 | unsigned int i; |
| 413 | |
| 414 | if (td->o.norandommap) |
| 415 | return 0; |
| 416 | |
| 417 | for_each_file(td, f, i) { |
| 418 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / td->o.rw_min_bs; |
| 419 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
| 420 | f->file_map = malloc(num_maps * sizeof(long)); |
| 421 | if (!f->file_map) { |
| 422 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); |
| 423 | return 1; |
| 424 | } |
| 425 | f->num_maps = num_maps; |
| 426 | memset(f->file_map, 0, num_maps * sizeof(long)); |
| 427 | } |
| 428 | |
| 429 | return 0; |
| 430 | } |
| 431 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 432 | void close_files(struct thread_data *td) |
| 433 | { |
Jens Axboe | 0ab8db8 | 2006-10-18 17:16:23 +0200 | [diff] [blame] | 434 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 435 | unsigned int i; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 436 | |
Jens Axboe | 0ab8db8 | 2006-10-18 17:16:23 +0200 | [diff] [blame] | 437 | for_each_file(td, f, i) { |
Jens Axboe | fa1da86 | 2007-03-23 15:20:54 +0100 | [diff] [blame] | 438 | if ((f->flags & FIO_FILE_UNLINK) && |
| 439 | f->filetype == FIO_TYPE_FILE) |
Jens Axboe | 132ad46 | 2006-11-23 12:23:12 +0100 | [diff] [blame] | 440 | unlink(f->file_name); |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 441 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 442 | td_io_close_file(td, f); |
Jens Axboe | b3dc7f0 | 2007-03-09 12:52:15 +0100 | [diff] [blame] | 443 | |
Jens Axboe | fa1da86 | 2007-03-23 15:20:54 +0100 | [diff] [blame] | 444 | free(f->file_name); |
| 445 | f->file_name = NULL; |
| 446 | |
Jens Axboe | c343981 | 2007-03-20 13:54:53 +0100 | [diff] [blame] | 447 | if (f->file_map) { |
Jens Axboe | b3dc7f0 | 2007-03-09 12:52:15 +0100 | [diff] [blame] | 448 | free(f->file_map); |
Jens Axboe | c343981 | 2007-03-20 13:54:53 +0100 | [diff] [blame] | 449 | f->file_map = NULL; |
| 450 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 451 | } |
Jens Axboe | b4a6a59 | 2006-10-20 13:54:47 +0200 | [diff] [blame] | 452 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 453 | td->o.filename = NULL; |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 454 | free(td->files); |
Jens Axboe | b4a6a59 | 2006-10-20 13:54:47 +0200 | [diff] [blame] | 455 | td->files = NULL; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 456 | td->o.nr_files = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 457 | } |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 458 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 459 | static void get_file_type(struct fio_file *f) |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 460 | { |
| 461 | struct stat sb; |
| 462 | |
| 463 | f->filetype = FIO_TYPE_FILE; |
| 464 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 465 | if (!lstat(f->file_name, &sb)) { |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 466 | if (S_ISBLK(sb.st_mode)) |
| 467 | f->filetype = FIO_TYPE_BD; |
| 468 | else if (S_ISCHR(sb.st_mode)) |
| 469 | f->filetype = FIO_TYPE_CHAR; |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | void add_file(struct thread_data *td, const char *fname) |
| 474 | { |
Jens Axboe | 7b4e4fe | 2007-03-13 12:51:40 +0100 | [diff] [blame] | 475 | int cur_files = td->files_index; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 476 | char file_name[PATH_MAX]; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 477 | struct fio_file *f; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 478 | int len = 0; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 479 | |
| 480 | td->files = realloc(td->files, (cur_files + 1) * sizeof(*f)); |
| 481 | |
| 482 | f = &td->files[cur_files]; |
| 483 | memset(f, 0, sizeof(*f)); |
| 484 | f->fd = -1; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 485 | |
| 486 | if (td->o.directory) |
| 487 | len = sprintf(file_name, "%s/", td->o.directory); |
| 488 | |
| 489 | sprintf(file_name + len, "%s", fname); |
| 490 | f->file_name = strdup(file_name); |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 491 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 492 | get_file_type(f); |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 493 | |
Jens Axboe | 7b4e4fe | 2007-03-13 12:51:40 +0100 | [diff] [blame] | 494 | td->files_index++; |
Jens Axboe | 1549441 | 2007-03-13 11:52:47 +0100 | [diff] [blame] | 495 | if (f->filetype == FIO_TYPE_FILE) |
| 496 | td->nr_normal_files++; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 497 | } |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 498 | |
| 499 | void get_file(struct fio_file *f) |
| 500 | { |
| 501 | f->references++; |
| 502 | } |
| 503 | |
| 504 | void put_file(struct thread_data *td, struct fio_file *f) |
| 505 | { |
| 506 | if (!(f->flags & FIO_FILE_OPEN)) |
| 507 | return; |
| 508 | |
| 509 | assert(f->references); |
| 510 | if (--f->references) |
| 511 | return; |
| 512 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 513 | if (should_fsync(td) && td->o.fsync_on_close) |
Jens Axboe | ebb1415 | 2007-03-13 14:42:15 +0100 | [diff] [blame] | 514 | fsync(f->fd); |
| 515 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 516 | if (td->io_ops->close_file) |
| 517 | td->io_ops->close_file(td, f); |
| 518 | td->nr_open_files--; |
| 519 | f->flags &= ~FIO_FILE_OPEN; |
| 520 | } |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 521 | |
| 522 | static int recurse_dir(struct thread_data *td, const char *dirname) |
| 523 | { |
| 524 | struct dirent *dir; |
| 525 | int ret = 0; |
| 526 | DIR *D; |
| 527 | |
| 528 | D = opendir(dirname); |
| 529 | if (!D) { |
| 530 | td_verror(td, errno, "opendir"); |
| 531 | return 1; |
| 532 | } |
| 533 | |
| 534 | while ((dir = readdir(D)) != NULL) { |
| 535 | char full_path[PATH_MAX]; |
| 536 | struct stat sb; |
| 537 | |
Jens Axboe | e85b2b8 | 2007-03-14 09:39:06 +0100 | [diff] [blame] | 538 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
| 539 | continue; |
Jens Axboe | 96d32d5 | 2007-03-14 09:16:09 +0100 | [diff] [blame] | 540 | |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 541 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
| 542 | |
| 543 | if (lstat(full_path, &sb) == -1) { |
| 544 | if (errno != ENOENT) { |
| 545 | td_verror(td, errno, "stat"); |
| 546 | return 1; |
| 547 | } |
| 548 | } |
| 549 | |
| 550 | if (S_ISREG(sb.st_mode)) { |
| 551 | add_file(td, full_path); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 552 | td->o.nr_files++; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 553 | continue; |
| 554 | } |
| 555 | |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 556 | if ((ret = recurse_dir(td, full_path)) != 0) |
| 557 | break; |
| 558 | } |
| 559 | |
| 560 | closedir(D); |
| 561 | return ret; |
| 562 | } |
| 563 | |
| 564 | int add_dir_files(struct thread_data *td, const char *path) |
| 565 | { |
| 566 | return recurse_dir(td, path); |
| 567 | } |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 568 | |
| 569 | void dup_files(struct thread_data *td, struct thread_data *org) |
| 570 | { |
| 571 | struct fio_file *f; |
| 572 | unsigned int i; |
| 573 | size_t bytes; |
| 574 | |
| 575 | if (!org->files) |
| 576 | return; |
| 577 | |
| 578 | bytes = org->files_index * sizeof(*f); |
| 579 | td->files = malloc(bytes); |
| 580 | memcpy(td->files, org->files, bytes); |
| 581 | |
| 582 | for_each_file(td, f, i) { |
| 583 | if (f->file_name) |
| 584 | f->file_name = strdup(f->file_name); |
| 585 | } |
| 586 | } |