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" |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 11 | #include "smalloc.h" |
Jens Axboe | 4906e0b | 2008-03-01 18:59:51 +0100 | [diff] [blame] | 12 | #include "filehash.h" |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 13 | |
Jens Axboe | 7172cfe | 2007-07-23 14:36:00 +0200 | [diff] [blame] | 14 | static int root_warn; |
| 15 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 16 | /* |
| 17 | * Leaves f->fd open on success, caller must close |
| 18 | */ |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 19 | static int extend_file(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 25205e9 | 2006-10-19 20:50:14 +0200 | [diff] [blame] | 20 | { |
Jens Axboe | ea44365 | 2007-03-29 14:52:13 +0200 | [diff] [blame] | 21 | int r, new_layout = 0, unlink_file = 0, flags; |
Jens Axboe | 25205e9 | 2006-10-19 20:50:14 +0200 | [diff] [blame] | 22 | unsigned long long left; |
| 23 | unsigned int bs; |
| 24 | char *b; |
Jens Axboe | b2a1519 | 2006-10-18 14:10:42 +0200 | [diff] [blame] | 25 | |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 26 | if (read_only) { |
| 27 | log_err("fio: refusing extend of file due to read-only\n"); |
| 28 | return 0; |
| 29 | } |
| 30 | |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 31 | /* |
| 32 | * check if we need to lay the file out complete again. fio |
| 33 | * does that for operations involving reads, or for writes |
| 34 | * where overwrite is set |
| 35 | */ |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 36 | if (td_read(td) || (td_write(td) && td->o.overwrite) || |
| 37 | (td_write(td) && td->io_ops->flags & FIO_NOEXTEND)) |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 38 | new_layout = 1; |
Jens Axboe | ea44365 | 2007-03-29 14:52:13 +0200 | [diff] [blame] | 39 | if (td_write(td) && !td->o.overwrite) |
| 40 | unlink_file = 1; |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 41 | |
Jens Axboe | 6ae1f57 | 2008-02-21 10:20:00 +0100 | [diff] [blame] | 42 | if (unlink_file || new_layout) { |
Jens Axboe | bd199f2 | 2008-03-26 09:57:18 +0100 | [diff] [blame] | 43 | dprint(FD_FILE, "layout unlink %s\n", f->file_name); |
Zhang, Yanmin | 982016d | 2008-02-26 15:35:52 +0100 | [diff] [blame] | 44 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 45 | td_verror(td, errno, "unlink"); |
| 46 | return 1; |
| 47 | } |
| 48 | } |
| 49 | |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 50 | flags = O_WRONLY | O_CREAT; |
| 51 | if (new_layout) |
| 52 | flags |= O_TRUNC; |
| 53 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 54 | 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] | 55 | f->fd = open(f->file_name, flags, 0644); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 56 | if (f->fd < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 57 | td_verror(td, errno, "open"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 58 | return 1; |
| 59 | } |
| 60 | |
Shawn Lewis | fc74ac1 | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 61 | if (!new_layout) |
| 62 | goto done; |
| 63 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 64 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, |
| 65 | f->real_file_size); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 66 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 67 | td_verror(td, errno, "ftruncate"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 68 | goto err; |
| 69 | } |
| 70 | |
Jens Axboe | fffca02 | 2008-06-02 12:23:40 +0200 | [diff] [blame] | 71 | #ifdef FIO_HAVE_FALLOCATE |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 72 | dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name, |
| 73 | f->real_file_size); |
Jens Axboe | 739097e | 2008-05-30 22:58:37 +0200 | [diff] [blame] | 74 | r = posix_fallocate(f->fd, 0, f->real_file_size); |
| 75 | if (r < 0) |
Jens Axboe | 6594247 | 2008-06-02 10:37:36 +0200 | [diff] [blame] | 76 | log_err("fio: posix_fallocate fails: %s\n", strerror(-r)); |
Jens Axboe | fffca02 | 2008-06-02 12:23:40 +0200 | [diff] [blame] | 77 | #endif |
Jens Axboe | 40f8298 | 2006-10-25 11:21:05 +0200 | [diff] [blame] | 78 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 79 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
| 80 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 81 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 82 | left = f->real_file_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 83 | while (left && !td->terminate) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 84 | bs = td->o.max_bs[DDIR_WRITE]; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 85 | if (bs > left) |
| 86 | bs = left; |
| 87 | |
| 88 | r = write(f->fd, b, bs); |
| 89 | |
| 90 | if (r == (int) bs) { |
| 91 | left -= bs; |
| 92 | continue; |
| 93 | } else { |
| 94 | if (r < 0) |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 95 | td_verror(td, errno, "write"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 96 | else |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 97 | td_verror(td, EIO, "write"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 98 | |
| 99 | break; |
| 100 | } |
| 101 | } |
| 102 | |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 103 | if (td->terminate) { |
| 104 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 105 | unlink(f->file_name); |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 106 | } else if (td->o.create_fsync) { |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 107 | if (fsync(f->fd) < 0) { |
| 108 | td_verror(td, errno, "fsync"); |
| 109 | goto err; |
| 110 | } |
| 111 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 112 | |
| 113 | free(b); |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 114 | done: |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 115 | return 0; |
| 116 | err: |
| 117 | close(f->fd); |
| 118 | f->fd = -1; |
| 119 | return 1; |
| 120 | } |
| 121 | |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame^] | 122 | static int pre_read_file(struct thread_data *td, struct fio_file *f) |
| 123 | { |
| 124 | int r; |
| 125 | unsigned long long left; |
| 126 | unsigned int bs; |
| 127 | char *b; |
| 128 | |
| 129 | bs = td->o.max_bs[DDIR_READ]; |
| 130 | b = malloc(bs); |
| 131 | memset(b, 0, bs); |
| 132 | |
| 133 | lseek(f->fd, f->file_offset, SEEK_SET); |
| 134 | left = f->io_size; |
| 135 | |
| 136 | while (left && !td->terminate) { |
| 137 | if (bs > left) |
| 138 | bs = left; |
| 139 | |
| 140 | r = read(f->fd, b, bs); |
| 141 | |
| 142 | if (r == (int) bs) { |
| 143 | left -= bs; |
| 144 | continue; |
| 145 | } else { |
| 146 | td_verror(td, EIO, "pre_read"); |
| 147 | break; |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | free(b); |
| 152 | return 0; |
| 153 | } |
| 154 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 155 | static unsigned long long get_rand_file_size(struct thread_data *td) |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 156 | { |
Jens Axboe | dc873b6 | 2008-06-04 20:13:04 +0200 | [diff] [blame] | 157 | unsigned long long ret, sized; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 158 | long r; |
| 159 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 160 | r = os_random_long(&td->file_size_state); |
Jens Axboe | dc873b6 | 2008-06-04 20:13:04 +0200 | [diff] [blame] | 161 | sized = td->o.file_size_high - td->o.file_size_low; |
| 162 | ret = (unsigned long long) ((double) sized * (r / (OS_RAND_MAX + 1.0))); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 163 | ret += td->o.file_size_low; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 164 | ret -= (ret % td->o.rw_min_bs); |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 165 | return ret; |
| 166 | } |
| 167 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 168 | static int file_size(struct thread_data *td, struct fio_file *f) |
| 169 | { |
| 170 | struct stat st; |
| 171 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 172 | if (stat(f->file_name, &st) == -1) { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 173 | td_verror(td, errno, "fstat"); |
| 174 | return 1; |
| 175 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 176 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 177 | f->real_file_size = st.st_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | static int bdev_size(struct thread_data *td, struct fio_file *f) |
| 182 | { |
| 183 | unsigned long long bytes; |
| 184 | int r; |
| 185 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 186 | if (td->io_ops->open_file(td, f)) { |
| 187 | log_err("fio: failed opening blockdev %s for size check\n", |
| 188 | f->file_name); |
| 189 | return 1; |
| 190 | } |
| 191 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 192 | r = blockdev_size(f->fd, &bytes); |
| 193 | if (r) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 194 | td_verror(td, r, "blockdev_size"); |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 195 | goto err; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 196 | } |
| 197 | |
Jens Axboe | 7ab077a | 2009-02-02 15:07:37 +0100 | [diff] [blame] | 198 | if (!bytes) { |
| 199 | log_err("%s: zero sized block device?\n", f->file_name); |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 200 | goto err; |
Jens Axboe | 7ab077a | 2009-02-02 15:07:37 +0100 | [diff] [blame] | 201 | } |
| 202 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 203 | f->real_file_size = bytes; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 204 | return 0; |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 205 | err: |
| 206 | td->io_ops->close_file(td, f); |
| 207 | return 1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
| 211 | { |
| 212 | int ret = 0; |
| 213 | |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 214 | if (f->flags & FIO_SIZE_KNOWN) |
| 215 | return 0; |
| 216 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 217 | if (f->filetype == FIO_TYPE_FILE) |
| 218 | ret = file_size(td, f); |
| 219 | else if (f->filetype == FIO_TYPE_BD) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 220 | ret = bdev_size(td, f); |
| 221 | else |
| 222 | f->real_file_size = -1; |
| 223 | |
| 224 | if (ret) |
| 225 | return ret; |
| 226 | |
| 227 | if (f->file_offset > f->real_file_size) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 228 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, |
| 229 | f->file_offset, f->real_file_size); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 230 | return 1; |
| 231 | } |
| 232 | |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 233 | f->flags |= FIO_SIZE_KNOWN; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 234 | return 0; |
| 235 | } |
| 236 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 237 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
| 238 | unsigned long long off, |
| 239 | unsigned long long len) |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 240 | { |
| 241 | int ret = 0; |
| 242 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 243 | if (len == -1ULL) |
| 244 | len = f->io_size; |
| 245 | if (off == -1ULL) |
| 246 | off = f->file_offset; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 247 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 248 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
| 249 | len); |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 250 | |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 251 | /* |
| 252 | * FIXME: add blockdev flushing too |
| 253 | */ |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 254 | if (f->mmap) |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 255 | ret = madvise(f->mmap, len, MADV_DONTNEED); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 256 | else if (f->filetype == FIO_TYPE_FILE) { |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 257 | ret = fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 258 | } else if (f->filetype == FIO_TYPE_BD) { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 259 | ret = blockdev_invalidate_cache(f->fd); |
Jens Axboe | 7e0e25c | 2007-03-27 12:49:56 +0200 | [diff] [blame] | 260 | if (ret < 0 && errno == EACCES && geteuid()) { |
Jens Axboe | 7172cfe | 2007-07-23 14:36:00 +0200 | [diff] [blame] | 261 | if (!root_warn) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 262 | log_err("fio: only root may flush block " |
| 263 | "devices. Cache flush bypassed!\n"); |
Jens Axboe | 7172cfe | 2007-07-23 14:36:00 +0200 | [diff] [blame] | 264 | root_warn = 1; |
| 265 | } |
Jens Axboe | 7e0e25c | 2007-03-27 12:49:56 +0200 | [diff] [blame] | 266 | ret = 0; |
| 267 | } |
Jens Axboe | b5605e9 | 2007-04-16 20:42:33 +0200 | [diff] [blame] | 268 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 269 | ret = 0; |
| 270 | |
| 271 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 272 | td_verror(td, errno, "invalidate_cache"); |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 273 | return 1; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 274 | } else if (ret > 0) { |
| 275 | td_verror(td, ret, "invalidate_cache"); |
| 276 | return 1; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 277 | } |
| 278 | |
Jens Axboe | ad2da60 | 2007-02-26 12:33:27 +0100 | [diff] [blame] | 279 | return ret; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 280 | |
| 281 | } |
| 282 | |
| 283 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
| 284 | { |
Jens Axboe | a5fb461 | 2008-05-28 10:54:01 +0200 | [diff] [blame] | 285 | if (!(f->flags & FIO_FILE_OPEN)) |
| 286 | return 0; |
| 287 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 288 | return __file_invalidate_cache(td, f, -1, -1); |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 289 | } |
| 290 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 291 | 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] | 292 | { |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 293 | int ret = 0; |
| 294 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 295 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
Jens Axboe | 4906e0b | 2008-03-01 18:59:51 +0100 | [diff] [blame] | 296 | |
| 297 | remove_file_hash(f); |
| 298 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 299 | if (close(f->fd) < 0) |
| 300 | ret = errno; |
| 301 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 302 | f->fd = -1; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 303 | return ret; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 304 | } |
| 305 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 306 | static int file_lookup_open(struct fio_file *f, int flags) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 307 | { |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 308 | struct fio_file *__f; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 309 | int from_hash; |
| 310 | |
| 311 | __f = lookup_file_hash(f->file_name); |
| 312 | if (__f) { |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 313 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 314 | /* |
| 315 | * racy, need the __f->lock locked |
| 316 | */ |
| 317 | f->lock = __f->lock; |
| 318 | f->lock_owner = __f->lock_owner; |
| 319 | f->lock_batch = __f->lock_batch; |
| 320 | f->lock_ddir = __f->lock_ddir; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 321 | from_hash = 1; |
| 322 | } else { |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 323 | 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] | 324 | from_hash = 0; |
| 325 | } |
| 326 | |
Jens Axboe | e8670ef | 2008-03-06 12:06:30 +0100 | [diff] [blame] | 327 | f->fd = open(f->file_name, flags, 0600); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 328 | return from_hash; |
| 329 | } |
| 330 | |
| 331 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
| 332 | { |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 333 | int is_std = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 334 | int flags = 0; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 335 | int from_hash = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 336 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 337 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
| 338 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 339 | if (!strcmp(f->file_name, "-")) { |
| 340 | if (td_rw(td)) { |
| 341 | log_err("fio: can't read/write to stdin/out\n"); |
| 342 | return 1; |
| 343 | } |
| 344 | is_std = 1; |
Jens Axboe | ce98fa6 | 2007-04-17 13:27:32 +0200 | [diff] [blame] | 345 | |
| 346 | /* |
| 347 | * move output logging to stderr, if we are writing to stdout |
| 348 | */ |
| 349 | if (td_write(td)) |
| 350 | f_out = stderr; |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 351 | } |
| 352 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 353 | if (td->o.odirect) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 354 | flags |= OS_O_DIRECT; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 355 | if (td->o.sync_io) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 356 | flags |= O_SYNC; |
Jens Axboe | ad92396 | 2007-10-11 21:41:41 +0200 | [diff] [blame] | 357 | if (f->filetype != FIO_TYPE_FILE) |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 358 | flags |= FIO_O_NOATIME; |
Jens Axboe | 814452b | 2009-03-04 12:53:13 +0100 | [diff] [blame] | 359 | if (td->o.create_on_open) |
| 360 | flags |= O_CREAT; |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 361 | |
Aaron Carroll | 056f345 | 2007-11-26 09:08:53 +0100 | [diff] [blame] | 362 | open_again: |
Jens Axboe | 660a1cb | 2007-04-17 15:37:47 +0200 | [diff] [blame] | 363 | if (td_write(td)) { |
Jens Axboe | 1730815 | 2008-03-07 13:42:31 +0100 | [diff] [blame] | 364 | if (!read_only) |
| 365 | flags |= O_RDWR; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 366 | |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 367 | if (f->filetype == FIO_TYPE_FILE) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 368 | flags |= O_CREAT; |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 369 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 370 | if (is_std) |
| 371 | f->fd = dup(STDOUT_FILENO); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 372 | else |
| 373 | from_hash = file_lookup_open(f, flags); |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 374 | } else { |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 375 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 376 | flags |= O_RDWR; |
| 377 | else |
| 378 | flags |= O_RDONLY; |
| 379 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 380 | if (is_std) |
| 381 | f->fd = dup(STDIN_FILENO); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 382 | else |
| 383 | from_hash = file_lookup_open(f, flags); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | if (f->fd == -1) { |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 387 | char buf[FIO_VERROR_SIZE]; |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 388 | int __e = errno; |
| 389 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 390 | if (errno == EPERM && (flags & FIO_O_NOATIME)) { |
| 391 | flags &= ~FIO_O_NOATIME; |
Aaron Carroll | 056f345 | 2007-11-26 09:08:53 +0100 | [diff] [blame] | 392 | goto open_again; |
| 393 | } |
| 394 | |
Jens Axboe | e8670ef | 2008-03-06 12:06:30 +0100 | [diff] [blame] | 395 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 396 | |
| 397 | td_verror(td, __e, buf); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 398 | } |
| 399 | |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 400 | if (!from_hash && f->fd != -1) { |
| 401 | if (add_file_hash(f)) { |
| 402 | int ret; |
| 403 | |
| 404 | /* |
| 405 | * OK to ignore, we haven't done anything with it |
| 406 | */ |
| 407 | ret = generic_close_file(td, f); |
| 408 | goto open_again; |
| 409 | } |
| 410 | } |
Jens Axboe | 4906e0b | 2008-03-01 18:59:51 +0100 | [diff] [blame] | 411 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 412 | return 0; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 413 | } |
| 414 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 415 | 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] | 416 | { |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 417 | return get_file_size(td, f); |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 418 | } |
| 419 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 420 | /* |
| 421 | * open/close all files, so that ->real_file_size gets set |
| 422 | */ |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 423 | static int get_file_sizes(struct thread_data *td) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 424 | { |
| 425 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 426 | unsigned int i; |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 427 | int err = 0; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 428 | |
| 429 | for_each_file(td, f, i) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 430 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
| 431 | f->file_name); |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 432 | |
Jens Axboe | 99a47c6 | 2009-04-07 22:20:56 +0200 | [diff] [blame] | 433 | if (td_io_get_file_size(td, f)) { |
Jens Axboe | 40b44f4 | 2007-04-11 12:43:35 +0200 | [diff] [blame] | 434 | if (td->error != ENOENT) { |
| 435 | log_err("%s\n", td->verror); |
| 436 | err = 1; |
| 437 | } |
Jens Axboe | 541d66d | 2007-03-27 19:50:11 +0200 | [diff] [blame] | 438 | clear_error(td); |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 439 | } |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 440 | |
| 441 | if (f->real_file_size == -1ULL && td->o.size) |
| 442 | f->real_file_size = td->o.size / td->o.nr_files; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 443 | } |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 444 | |
| 445 | return err; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | /* |
| 449 | * Open the files and setup files sizes, creating files if necessary. |
| 450 | */ |
| 451 | int setup_files(struct thread_data *td) |
| 452 | { |
| 453 | unsigned long long total_size, extend_size; |
| 454 | struct fio_file *f; |
| 455 | unsigned int i; |
Jens Axboe | 000b080 | 2007-03-27 15:56:10 +0200 | [diff] [blame] | 456 | int err = 0, need_extend; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 457 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 458 | dprint(FD_FILE, "setup files\n"); |
| 459 | |
Jens Axboe | 691c8fb | 2008-03-07 14:26:26 +0100 | [diff] [blame] | 460 | if (td->o.read_iolog_file) |
| 461 | return 0; |
| 462 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 463 | /* |
| 464 | * if ioengine defines a setup() method, it's responsible for |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 465 | * opening the files and setting f->real_file_size to indicate |
| 466 | * the valid range for that file. |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 467 | */ |
| 468 | if (td->io_ops->setup) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 469 | err = td->io_ops->setup(td); |
| 470 | else |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 471 | err = get_file_sizes(td); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 472 | |
Jens Axboe | f102706 | 2006-10-20 10:14:01 +0200 | [diff] [blame] | 473 | if (err) |
| 474 | return err; |
| 475 | |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 476 | /* |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 477 | * check sizes. if the files/devices do not exist and the size |
| 478 | * isn't passed to fio, abort. |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 479 | */ |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 480 | total_size = 0; |
| 481 | for_each_file(td, f, i) { |
| 482 | if (f->real_file_size == -1ULL) |
| 483 | total_size = -1ULL; |
| 484 | else |
| 485 | total_size += f->real_file_size; |
| 486 | } |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 487 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 488 | /* |
| 489 | * device/file sizes are zero and no size given, punt |
| 490 | */ |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 491 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
Shawn Lewis | aa31f1f | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 492 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 493 | log_err("%s: you need to specify size=\n", td->o.name); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 494 | td_verror(td, EINVAL, "total_file_size"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 495 | return 1; |
| 496 | } |
| 497 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 498 | /* |
| 499 | * now file sizes are known, so we can set ->io_size. if size= is |
| 500 | * not given, ->io_size is just equal to ->real_file_size. if size |
| 501 | * is given, ->io_size is size / nr_files. |
| 502 | */ |
| 503 | extend_size = total_size = 0; |
| 504 | need_extend = 0; |
| 505 | for_each_file(td, f, i) { |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 506 | f->file_offset = td->o.start_offset; |
| 507 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 508 | if (!td->o.file_size_low) { |
| 509 | /* |
| 510 | * no file size range given, file size is equal to |
| 511 | * total size divided by number of files. if that is |
| 512 | * zero, set it to the real file size. |
| 513 | */ |
| 514 | f->io_size = td->o.size / td->o.nr_files; |
Jens Axboe | 65bdb10 | 2008-01-24 13:13:12 +0100 | [diff] [blame] | 515 | if (!f->io_size) |
Jens Axboe | 273f8c9 | 2008-01-25 14:02:15 +0100 | [diff] [blame] | 516 | f->io_size = f->real_file_size - f->file_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 517 | } else if (f->real_file_size < td->o.file_size_low || |
| 518 | f->real_file_size > td->o.file_size_high) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 519 | if (f->file_offset > td->o.file_size_low) |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 520 | goto err_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 521 | /* |
| 522 | * file size given. if it's fixed, use that. if it's a |
| 523 | * range, generate a random size in-between. |
| 524 | */ |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 525 | if (td->o.file_size_low == td->o.file_size_high) { |
| 526 | f->io_size = td->o.file_size_low |
| 527 | - f->file_offset; |
| 528 | } else { |
| 529 | f->io_size = get_rand_file_size(td) |
| 530 | - f->file_offset; |
| 531 | } |
Jens Axboe | 65bdb10 | 2008-01-24 13:13:12 +0100 | [diff] [blame] | 532 | } else |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 533 | f->io_size = f->real_file_size - f->file_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 534 | |
| 535 | if (f->io_size == -1ULL) |
| 536 | total_size = -1ULL; |
| 537 | else |
| 538 | total_size += f->io_size; |
| 539 | |
| 540 | if (f->filetype == FIO_TYPE_FILE && |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 541 | (f->io_size + f->file_offset) > f->real_file_size && |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 542 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
Jens Axboe | 814452b | 2009-03-04 12:53:13 +0100 | [diff] [blame] | 543 | if (!td->o.create_on_open) { |
| 544 | need_extend++; |
| 545 | extend_size += (f->io_size + f->file_offset); |
| 546 | } else |
| 547 | f->real_file_size = f->io_size + f->file_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 548 | f->flags |= FIO_FILE_EXTEND; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 549 | } |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 550 | } |
| 551 | |
ljzhang,Yaxin Hu,Jianchao Tang | 2298290 | 2007-07-27 13:21:28 +0200 | [diff] [blame] | 552 | if (!td->o.size || td->o.size > total_size) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 553 | td->o.size = total_size; |
| 554 | |
| 555 | /* |
| 556 | * See if we need to extend some files |
| 557 | */ |
| 558 | if (need_extend) { |
| 559 | temp_stall_ts = 1; |
Shaozhi Shawn Ye | a7ba8c5 | 2008-09-10 09:04:18 +0200 | [diff] [blame] | 560 | if (!terse_output) |
| 561 | log_info("%s: Laying out IO file(s) (%u file(s) /" |
| 562 | " %LuMiB)\n", td->o.name, need_extend, |
| 563 | extend_size >> 20); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 564 | |
| 565 | for_each_file(td, f, i) { |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 566 | unsigned long long old_len, extend_len; |
| 567 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 568 | if (!(f->flags & FIO_FILE_EXTEND)) |
| 569 | continue; |
| 570 | |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 571 | assert(f->filetype == FIO_TYPE_FILE); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 572 | f->flags &= ~FIO_FILE_EXTEND; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 573 | old_len = f->real_file_size; |
| 574 | extend_len = f->io_size + f->file_offset - old_len; |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 575 | f->real_file_size = (f->io_size + f->file_offset); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 576 | err = extend_file(td, f); |
| 577 | if (err) |
| 578 | break; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 579 | |
| 580 | err = __file_invalidate_cache(td, f, old_len, |
| 581 | extend_len); |
| 582 | close(f->fd); |
| 583 | f->fd = -1; |
| 584 | if (err) |
| 585 | break; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 586 | } |
| 587 | temp_stall_ts = 0; |
| 588 | } |
| 589 | |
| 590 | if (err) |
| 591 | return err; |
| 592 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 593 | if (!td->o.zone_size) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 594 | td->o.zone_size = td->o.size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 595 | |
Jens Axboe | ea966f8 | 2007-09-03 10:09:37 +0200 | [diff] [blame] | 596 | /* |
| 597 | * iolog already set the total io size, if we read back |
| 598 | * stored entries. |
| 599 | */ |
| 600 | if (!td->o.read_iolog_file) |
| 601 | td->total_io_size = td->o.size * td->o.loops; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 602 | return 0; |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 603 | err_offset: |
| 604 | log_err("%s: you need to specify valid offset=\n", td->o.name); |
| 605 | return 1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 606 | } |
| 607 | |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame^] | 608 | int pre_read_files(struct thread_data *td) |
| 609 | { |
| 610 | struct fio_file *f; |
| 611 | unsigned int i; |
| 612 | |
| 613 | dprint(FD_FILE, "pre_read files\n"); |
| 614 | |
| 615 | for_each_file(td, f, i) { |
| 616 | pre_read_file(td, f); |
| 617 | } |
| 618 | |
| 619 | return 1; |
| 620 | } |
| 621 | |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 622 | int init_random_map(struct thread_data *td) |
| 623 | { |
Jens Axboe | 509eab1 | 2007-12-14 12:42:53 +0100 | [diff] [blame] | 624 | unsigned long long blocks, num_maps; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 625 | struct fio_file *f; |
| 626 | unsigned int i; |
| 627 | |
Jens Axboe | de8dd11 | 2008-03-01 15:34:44 +0100 | [diff] [blame] | 628 | if (td->o.norandommap || !td_random(td)) |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 629 | return 0; |
| 630 | |
| 631 | for_each_file(td, f, i) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 632 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / |
| 633 | (unsigned long long) td->o.rw_min_bs; |
| 634 | num_maps = (blocks + BLOCKS_PER_MAP - 1) / |
| 635 | (unsigned long long) BLOCKS_PER_MAP; |
Jens Axboe | de60566 | 2008-05-31 00:21:12 +0200 | [diff] [blame] | 636 | f->file_map = smalloc(num_maps * sizeof(int)); |
Jens Axboe | 303032a | 2008-03-26 10:11:10 +0100 | [diff] [blame] | 637 | if (f->file_map) { |
| 638 | f->num_maps = num_maps; |
| 639 | continue; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 640 | } |
Jens Axboe | 2b386d2 | 2008-03-26 10:32:57 +0100 | [diff] [blame] | 641 | if (!td->o.softrandommap) { |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 642 | log_err("fio: failed allocating random map. If running" |
| 643 | " a large number of jobs, try the 'norandommap'" |
Jens Axboe | 2b386d2 | 2008-03-26 10:32:57 +0100 | [diff] [blame] | 644 | " option or set 'softrandommap'. Or give" |
| 645 | " a larger --alloc-size to fio.\n"); |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 646 | return 1; |
| 647 | } |
Jens Axboe | 303032a | 2008-03-26 10:11:10 +0100 | [diff] [blame] | 648 | |
| 649 | log_info("fio: file %s failed allocating random map. Running " |
| 650 | "job without.\n", f->file_name); |
| 651 | f->num_maps = 0; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 652 | } |
| 653 | |
| 654 | return 0; |
| 655 | } |
| 656 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 657 | void close_files(struct thread_data *td) |
| 658 | { |
Jens Axboe | 0ab8db8 | 2006-10-18 17:16:23 +0200 | [diff] [blame] | 659 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 660 | unsigned int i; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 661 | |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 662 | for_each_file(td, f, i) |
| 663 | td_io_close_file(td, f); |
| 664 | } |
| 665 | |
| 666 | void close_and_free_files(struct thread_data *td) |
| 667 | { |
| 668 | struct fio_file *f; |
| 669 | unsigned int i; |
| 670 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 671 | dprint(FD_FILE, "close files\n"); |
| 672 | |
Jens Axboe | 0ab8db8 | 2006-10-18 17:16:23 +0200 | [diff] [blame] | 673 | for_each_file(td, f, i) { |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 674 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
| 675 | dprint(FD_FILE, "free unlink %s\n", f->file_name); |
Jens Axboe | 132ad46 | 2006-11-23 12:23:12 +0100 | [diff] [blame] | 676 | unlink(f->file_name); |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 677 | } |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 678 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 679 | td_io_close_file(td, f); |
Shaozhi Shawn Ye | b9fbcf2 | 2008-09-10 09:05:17 +0200 | [diff] [blame] | 680 | remove_file_hash(f); |
Jens Axboe | b3dc7f0 | 2007-03-09 12:52:15 +0100 | [diff] [blame] | 681 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 682 | sfree(f->file_name); |
Jens Axboe | fa1da86 | 2007-03-23 15:20:54 +0100 | [diff] [blame] | 683 | f->file_name = NULL; |
| 684 | |
Jens Axboe | c343981 | 2007-03-20 13:54:53 +0100 | [diff] [blame] | 685 | if (f->file_map) { |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 686 | sfree(f->file_map); |
Jens Axboe | c343981 | 2007-03-20 13:54:53 +0100 | [diff] [blame] | 687 | f->file_map = NULL; |
| 688 | } |
Jens Axboe | 78d99e6 | 2008-03-01 18:41:50 +0100 | [diff] [blame] | 689 | sfree(f); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 690 | } |
Jens Axboe | b4a6a59 | 2006-10-20 13:54:47 +0200 | [diff] [blame] | 691 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 692 | td->o.filename = NULL; |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 693 | free(td->files); |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 694 | td->files_index = 0; |
Jens Axboe | b4a6a59 | 2006-10-20 13:54:47 +0200 | [diff] [blame] | 695 | td->files = NULL; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 696 | td->o.nr_files = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 697 | } |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 698 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 699 | static void get_file_type(struct fio_file *f) |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 700 | { |
| 701 | struct stat sb; |
| 702 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 703 | if (!strcmp(f->file_name, "-")) |
| 704 | f->filetype = FIO_TYPE_PIPE; |
| 705 | else |
| 706 | f->filetype = FIO_TYPE_FILE; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 707 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 708 | if (!lstat(f->file_name, &sb)) { |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 709 | if (S_ISBLK(sb.st_mode)) |
| 710 | f->filetype = FIO_TYPE_BD; |
| 711 | else if (S_ISCHR(sb.st_mode)) |
| 712 | f->filetype = FIO_TYPE_CHAR; |
Jens Axboe | b5605e9 | 2007-04-16 20:42:33 +0200 | [diff] [blame] | 713 | else if (S_ISFIFO(sb.st_mode)) |
| 714 | f->filetype = FIO_TYPE_PIPE; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 715 | } |
| 716 | } |
| 717 | |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 718 | int add_file(struct thread_data *td, const char *fname) |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 719 | { |
Jens Axboe | 7b4e4fe | 2007-03-13 12:51:40 +0100 | [diff] [blame] | 720 | int cur_files = td->files_index; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 721 | char file_name[PATH_MAX]; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 722 | struct fio_file *f; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 723 | int len = 0; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 724 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 725 | dprint(FD_FILE, "add file %s\n", fname); |
| 726 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 727 | f = smalloc(sizeof(*f)); |
Jens Axboe | c48c0be | 2008-07-31 19:55:02 +0200 | [diff] [blame] | 728 | if (!f) { |
| 729 | log_err("fio: smalloc OOM\n"); |
| 730 | assert(0); |
| 731 | } |
| 732 | |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 733 | f->fd = -1; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 734 | |
Jens Axboe | fc99bc0 | 2009-03-04 15:27:42 +0100 | [diff] [blame] | 735 | if (td->files_size <= td->files_index) { |
Carl Henrik Lunde | 4b341fc | 2009-04-20 08:41:37 +0200 | [diff] [blame] | 736 | int new_size = td->o.nr_files + 1; |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 737 | |
Jens Axboe | fc99bc0 | 2009-03-04 15:27:42 +0100 | [diff] [blame] | 738 | dprint(FD_FILE, "resize file array to %d files\n", new_size); |
| 739 | |
| 740 | td->files = realloc(td->files, new_size * sizeof(f)); |
Jens Axboe | fc99bc0 | 2009-03-04 15:27:42 +0100 | [diff] [blame] | 741 | td->files_size = new_size; |
| 742 | } |
Jens Axboe | 8bb7679 | 2009-03-04 15:37:52 +0100 | [diff] [blame] | 743 | td->files[cur_files] = f; |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 744 | |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 745 | /* |
| 746 | * init function, io engine may not be loaded yet |
| 747 | */ |
| 748 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) |
| 749 | f->real_file_size = -1ULL; |
| 750 | |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 751 | if (td->o.directory) |
| 752 | len = sprintf(file_name, "%s/", td->o.directory); |
| 753 | |
| 754 | sprintf(file_name + len, "%s", fname); |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 755 | f->file_name = smalloc_strdup(file_name); |
Jens Axboe | c48c0be | 2008-07-31 19:55:02 +0200 | [diff] [blame] | 756 | if (!f->file_name) { |
| 757 | log_err("fio: smalloc OOM\n"); |
| 758 | assert(0); |
| 759 | } |
| 760 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 761 | get_file_type(f); |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 762 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 763 | switch (td->o.file_lock_mode) { |
| 764 | case FILE_LOCK_NONE: |
| 765 | break; |
| 766 | case FILE_LOCK_READWRITE: |
| 767 | f->lock = fio_mutex_rw_init(); |
| 768 | break; |
| 769 | case FILE_LOCK_EXCLUSIVE: |
| 770 | f->lock = fio_mutex_init(1); |
| 771 | break; |
| 772 | default: |
| 773 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); |
| 774 | assert(0); |
| 775 | } |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 776 | |
Jens Axboe | 7b4e4fe | 2007-03-13 12:51:40 +0100 | [diff] [blame] | 777 | td->files_index++; |
Jens Axboe | 1549441 | 2007-03-13 11:52:47 +0100 | [diff] [blame] | 778 | if (f->filetype == FIO_TYPE_FILE) |
| 779 | td->nr_normal_files++; |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 780 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 781 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
| 782 | cur_files); |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 783 | |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 784 | return cur_files; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 785 | } |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 786 | |
| 787 | void get_file(struct fio_file *f) |
| 788 | { |
Jens Axboe | 8172fe9 | 2008-02-01 21:51:02 +0100 | [diff] [blame] | 789 | dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 790 | assert(f->flags & FIO_FILE_OPEN); |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 791 | f->references++; |
| 792 | } |
| 793 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 794 | int put_file(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 795 | { |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 796 | int f_ret = 0, ret = 0; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 797 | |
Jens Axboe | 8172fe9 | 2008-02-01 21:51:02 +0100 | [diff] [blame] | 798 | 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] | 799 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 800 | if (!(f->flags & FIO_FILE_OPEN)) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 801 | return 0; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 802 | |
| 803 | assert(f->references); |
| 804 | if (--f->references) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 805 | return 0; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 806 | |
Jens Axboe | d424d4d | 2007-04-17 09:05:10 +0200 | [diff] [blame] | 807 | if (should_fsync(td) && td->o.fsync_on_close) |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 808 | f_ret = fsync(f->fd); |
Jens Axboe | ebb1415 | 2007-03-13 14:42:15 +0100 | [diff] [blame] | 809 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 810 | if (td->io_ops->close_file) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 811 | ret = td->io_ops->close_file(td, f); |
Jens Axboe | 1020a13 | 2007-03-29 11:15:06 +0200 | [diff] [blame] | 812 | |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 813 | if (!ret) |
Jens Axboe | a5fb461 | 2008-05-28 10:54:01 +0200 | [diff] [blame] | 814 | ret = f_ret; |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 815 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 816 | td->nr_open_files--; |
| 817 | f->flags &= ~FIO_FILE_OPEN; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 818 | return ret; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 819 | } |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 820 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 821 | 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] | 822 | { |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 823 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
| 824 | return; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 825 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 826 | if (f->lock_owner == td && f->lock_batch--) |
| 827 | return; |
| 828 | |
| 829 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
| 830 | if (ddir == DDIR_READ) |
| 831 | fio_mutex_down_read(f->lock); |
| 832 | else |
| 833 | fio_mutex_down_write(f->lock); |
| 834 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
| 835 | fio_mutex_down(f->lock); |
| 836 | |
| 837 | f->lock_owner = td; |
| 838 | f->lock_batch = td->o.lockfile_batch; |
| 839 | f->lock_ddir = ddir; |
| 840 | } |
| 841 | |
| 842 | void unlock_file(struct thread_data *td, struct fio_file *f) |
| 843 | { |
| 844 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
| 845 | return; |
| 846 | if (f->lock_batch) |
| 847 | return; |
| 848 | |
| 849 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
| 850 | const int is_read = f->lock_ddir == DDIR_READ; |
| 851 | int val = fio_mutex_getval(f->lock); |
| 852 | |
| 853 | if ((is_read && val == 1) || (!is_read && val == -1)) |
| 854 | f->lock_owner = NULL; |
| 855 | |
| 856 | if (is_read) |
| 857 | fio_mutex_up_read(f->lock); |
| 858 | else |
| 859 | fio_mutex_up_write(f->lock); |
| 860 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) { |
| 861 | int val = fio_mutex_getval(f->lock); |
| 862 | |
| 863 | if (val == 0) |
| 864 | f->lock_owner = NULL; |
| 865 | |
| 866 | fio_mutex_up(f->lock); |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 867 | } |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 868 | } |
| 869 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 870 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 871 | { |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 872 | if (f->lock_owner != td) |
| 873 | return; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 874 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 875 | f->lock_batch = 0; |
| 876 | unlock_file(td, f); |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 877 | } |
| 878 | |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 879 | static int recurse_dir(struct thread_data *td, const char *dirname) |
| 880 | { |
| 881 | struct dirent *dir; |
| 882 | int ret = 0; |
| 883 | DIR *D; |
| 884 | |
| 885 | D = opendir(dirname); |
| 886 | if (!D) { |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 887 | char buf[FIO_VERROR_SIZE]; |
| 888 | |
| 889 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); |
| 890 | td_verror(td, errno, buf); |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 891 | return 1; |
| 892 | } |
| 893 | |
| 894 | while ((dir = readdir(D)) != NULL) { |
| 895 | char full_path[PATH_MAX]; |
| 896 | struct stat sb; |
| 897 | |
Jens Axboe | e85b2b8 | 2007-03-14 09:39:06 +0100 | [diff] [blame] | 898 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
| 899 | continue; |
Jens Axboe | 96d32d5 | 2007-03-14 09:16:09 +0100 | [diff] [blame] | 900 | |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 901 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
| 902 | |
| 903 | if (lstat(full_path, &sb) == -1) { |
| 904 | if (errno != ENOENT) { |
| 905 | td_verror(td, errno, "stat"); |
| 906 | return 1; |
| 907 | } |
| 908 | } |
| 909 | |
| 910 | if (S_ISREG(sb.st_mode)) { |
| 911 | add_file(td, full_path); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 912 | td->o.nr_files++; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 913 | continue; |
| 914 | } |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 915 | if (!S_ISDIR(sb.st_mode)) |
| 916 | continue; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 917 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 918 | ret = recurse_dir(td, full_path); |
| 919 | if (ret) |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 920 | break; |
| 921 | } |
| 922 | |
| 923 | closedir(D); |
| 924 | return ret; |
| 925 | } |
| 926 | |
| 927 | int add_dir_files(struct thread_data *td, const char *path) |
| 928 | { |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 929 | int ret = recurse_dir(td, path); |
| 930 | |
| 931 | if (!ret) |
| 932 | log_info("fio: opendir added %d files\n", td->o.nr_files); |
| 933 | |
| 934 | return ret; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 935 | } |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 936 | |
| 937 | void dup_files(struct thread_data *td, struct thread_data *org) |
| 938 | { |
| 939 | struct fio_file *f; |
| 940 | unsigned int i; |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 941 | |
| 942 | dprint(FD_FILE, "dup files: %d\n", org->files_index); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 943 | |
| 944 | if (!org->files) |
| 945 | return; |
| 946 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 947 | td->files = malloc(org->files_index * sizeof(f)); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 948 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 949 | for_each_file(org, f, i) { |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 950 | struct fio_file *__f; |
| 951 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 952 | __f = smalloc(sizeof(*__f)); |
Jens Axboe | c48c0be | 2008-07-31 19:55:02 +0200 | [diff] [blame] | 953 | if (!__f) { |
| 954 | log_err("fio: smalloc OOM\n"); |
| 955 | assert(0); |
| 956 | } |
| 957 | |
Aaron Carroll | bc3456f | 2008-06-25 09:20:37 +0200 | [diff] [blame] | 958 | if (f->file_name) { |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 959 | __f->file_name = smalloc_strdup(f->file_name); |
Jens Axboe | c48c0be | 2008-07-31 19:55:02 +0200 | [diff] [blame] | 960 | if (!__f->file_name) { |
| 961 | log_err("fio: smalloc OOM\n"); |
| 962 | assert(0); |
| 963 | } |
| 964 | |
Aaron Carroll | bc3456f | 2008-06-25 09:20:37 +0200 | [diff] [blame] | 965 | __f->filetype = f->filetype; |
| 966 | } |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 967 | |
| 968 | td->files[i] = __f; |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 969 | } |
| 970 | } |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 971 | |
| 972 | /* |
| 973 | * Returns the index that matches the filename, or -1 if not there |
| 974 | */ |
| 975 | int get_fileno(struct thread_data *td, const char *fname) |
| 976 | { |
| 977 | struct fio_file *f; |
| 978 | unsigned int i; |
| 979 | |
| 980 | for_each_file(td, f, i) |
| 981 | if (!strcmp(f->file_name, fname)) |
| 982 | return i; |
| 983 | |
| 984 | return -1; |
| 985 | } |
| 986 | |
| 987 | /* |
| 988 | * For log usage, where we add/open/close files automatically |
| 989 | */ |
| 990 | void free_release_files(struct thread_data *td) |
| 991 | { |
| 992 | close_files(td); |
| 993 | td->files_index = 0; |
| 994 | td->nr_normal_files = 0; |
| 995 | } |