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 | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 16 | static int extend_file(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 25205e9 | 2006-10-19 20:50:14 +0200 | [diff] [blame] | 17 | { |
Jens Axboe | ea44365 | 2007-03-29 14:52:13 +0200 | [diff] [blame] | 18 | int r, new_layout = 0, unlink_file = 0, flags; |
Jens Axboe | 25205e9 | 2006-10-19 20:50:14 +0200 | [diff] [blame] | 19 | unsigned long long left; |
| 20 | unsigned int bs; |
| 21 | char *b; |
Jens Axboe | b2a1519 | 2006-10-18 14:10:42 +0200 | [diff] [blame] | 22 | |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 23 | if (read_only) { |
| 24 | log_err("fio: refusing extend of file due to read-only\n"); |
| 25 | return 0; |
| 26 | } |
| 27 | |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 28 | /* |
| 29 | * check if we need to lay the file out complete again. fio |
| 30 | * does that for operations involving reads, or for writes |
| 31 | * where overwrite is set |
| 32 | */ |
| 33 | if (td_read(td) || (td_write(td) && td->o.overwrite)) |
| 34 | new_layout = 1; |
Jens Axboe | ea44365 | 2007-03-29 14:52:13 +0200 | [diff] [blame] | 35 | if (td_write(td) && !td->o.overwrite) |
| 36 | unlink_file = 1; |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 37 | |
Jens Axboe | 6ae1f57 | 2008-02-21 10:20:00 +0100 | [diff] [blame] | 38 | if (unlink_file || new_layout) { |
Zhang, Yanmin | 982016d | 2008-02-26 15:35:52 +0100 | [diff] [blame] | 39 | if ((unlink(f->file_name) < 0) && (errno != ENOENT)) { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 40 | td_verror(td, errno, "unlink"); |
| 41 | return 1; |
| 42 | } |
| 43 | } |
| 44 | |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 45 | flags = O_WRONLY | O_CREAT; |
| 46 | if (new_layout) |
| 47 | flags |= O_TRUNC; |
| 48 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 49 | 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] | 50 | f->fd = open(f->file_name, flags, 0644); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 51 | if (f->fd < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 52 | td_verror(td, errno, "open"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 53 | return 1; |
| 54 | } |
| 55 | |
Shawn Lewis | fc74ac1 | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 56 | if (!new_layout) |
| 57 | goto done; |
| 58 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 59 | dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name, |
| 60 | f->real_file_size); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 61 | if (ftruncate(f->fd, f->real_file_size) == -1) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 62 | td_verror(td, errno, "ftruncate"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 63 | goto err; |
| 64 | } |
| 65 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 66 | dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name, |
| 67 | f->real_file_size); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 68 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 69 | td_verror(td, errno, "posix_fallocate"); |
Jens Axboe | 40f8298 | 2006-10-25 11:21:05 +0200 | [diff] [blame] | 70 | goto err; |
| 71 | } |
| 72 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 73 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
| 74 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 75 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 76 | left = f->real_file_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 77 | while (left && !td->terminate) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 78 | bs = td->o.max_bs[DDIR_WRITE]; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 79 | if (bs > left) |
| 80 | bs = left; |
| 81 | |
| 82 | r = write(f->fd, b, bs); |
| 83 | |
| 84 | if (r == (int) bs) { |
| 85 | left -= bs; |
| 86 | continue; |
| 87 | } else { |
| 88 | if (r < 0) |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 89 | td_verror(td, errno, "write"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 90 | else |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 91 | td_verror(td, EIO, "write"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 92 | |
| 93 | break; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | if (td->terminate) |
| 98 | unlink(f->file_name); |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 99 | else if (td->o.create_fsync) { |
| 100 | if (fsync(f->fd) < 0) { |
| 101 | td_verror(td, errno, "fsync"); |
| 102 | goto err; |
| 103 | } |
| 104 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 105 | |
| 106 | free(b); |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 107 | done: |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 108 | close(f->fd); |
| 109 | f->fd = -1; |
| 110 | return 0; |
| 111 | err: |
| 112 | close(f->fd); |
| 113 | f->fd = -1; |
| 114 | return 1; |
| 115 | } |
| 116 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 117 | static unsigned long long get_rand_file_size(struct thread_data *td) |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 118 | { |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 119 | unsigned long long ret; |
| 120 | long r; |
| 121 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 122 | r = os_random_long(&td->file_size_state); |
ljzhang,Yaxin Hu,Jianchao Tang | d11a531 | 2007-07-27 15:54:10 +0200 | [diff] [blame] | 123 | ret = td->o.file_size_low + (unsigned long long) ((double) (td->o.file_size_high - td->o.file_size_low) * (r / (RAND_MAX + 1.0))); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 124 | ret -= (ret % td->o.rw_min_bs); |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 125 | return ret; |
| 126 | } |
| 127 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 128 | static int file_size(struct thread_data *td, struct fio_file *f) |
| 129 | { |
| 130 | struct stat st; |
| 131 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 132 | if (fstat(f->fd, &st) == -1) { |
| 133 | td_verror(td, errno, "fstat"); |
| 134 | return 1; |
| 135 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 136 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 137 | f->real_file_size = st.st_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | static int bdev_size(struct thread_data *td, struct fio_file *f) |
| 142 | { |
| 143 | unsigned long long bytes; |
| 144 | int r; |
| 145 | |
| 146 | r = blockdev_size(f->fd, &bytes); |
| 147 | if (r) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 148 | td_verror(td, r, "blockdev_size"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 149 | return 1; |
| 150 | } |
| 151 | |
| 152 | f->real_file_size = bytes; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 153 | return 0; |
| 154 | } |
| 155 | |
| 156 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
| 157 | { |
| 158 | int ret = 0; |
| 159 | |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 160 | if (f->flags & FIO_SIZE_KNOWN) |
| 161 | return 0; |
| 162 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 163 | if (f->filetype == FIO_TYPE_FILE) |
| 164 | ret = file_size(td, f); |
| 165 | else if (f->filetype == FIO_TYPE_BD) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 166 | ret = bdev_size(td, f); |
| 167 | else |
| 168 | f->real_file_size = -1; |
| 169 | |
| 170 | if (ret) |
| 171 | return ret; |
| 172 | |
| 173 | if (f->file_offset > f->real_file_size) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 174 | 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] | 175 | return 1; |
| 176 | } |
| 177 | |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 178 | f->flags |= FIO_SIZE_KNOWN; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 179 | return 0; |
| 180 | } |
| 181 | |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 182 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
| 183 | { |
| 184 | int ret = 0; |
| 185 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 186 | dprint(FD_IO, "invalidate cache (%d)\n", td->o.odirect); |
| 187 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 188 | if (td->o.odirect) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 189 | return 0; |
| 190 | |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 191 | /* |
| 192 | * FIXME: add blockdev flushing too |
| 193 | */ |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 194 | if (f->mmap) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 195 | ret = madvise(f->mmap, f->io_size, MADV_DONTNEED); |
Jens Axboe | 467d1b6 | 2007-03-15 14:11:10 +0100 | [diff] [blame] | 196 | else if (f->filetype == FIO_TYPE_FILE) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 197 | 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] | 198 | else if (f->filetype == FIO_TYPE_BD) { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 199 | ret = blockdev_invalidate_cache(f->fd); |
Jens Axboe | 7e0e25c | 2007-03-27 12:49:56 +0200 | [diff] [blame] | 200 | if (ret < 0 && errno == EACCES && geteuid()) { |
Jens Axboe | 7172cfe | 2007-07-23 14:36:00 +0200 | [diff] [blame] | 201 | if (!root_warn) { |
| 202 | log_err("fio: only root may flush block devices. Cache flush bypassed!\n"); |
| 203 | root_warn = 1; |
| 204 | } |
Jens Axboe | 7e0e25c | 2007-03-27 12:49:56 +0200 | [diff] [blame] | 205 | ret = 0; |
| 206 | } |
Jens Axboe | b5605e9 | 2007-04-16 20:42:33 +0200 | [diff] [blame] | 207 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 208 | ret = 0; |
| 209 | |
| 210 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 211 | td_verror(td, errno, "invalidate_cache"); |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 212 | return 1; |
| 213 | } |
| 214 | |
Jens Axboe | ad2da60 | 2007-02-26 12:33:27 +0100 | [diff] [blame] | 215 | return ret; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 216 | } |
| 217 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 218 | 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] | 219 | { |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 220 | int ret = 0; |
| 221 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 222 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
Jens Axboe | 4906e0b | 2008-03-01 18:59:51 +0100 | [diff] [blame] | 223 | |
| 224 | remove_file_hash(f); |
| 225 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 226 | if (close(f->fd) < 0) |
| 227 | ret = errno; |
| 228 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 229 | f->fd = -1; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 230 | return ret; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 231 | } |
| 232 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 233 | static int file_lookup_open(struct fio_file *f, int flags) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 234 | { |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 235 | struct fio_file *__f; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 236 | int from_hash; |
| 237 | |
| 238 | __f = lookup_file_hash(f->file_name); |
| 239 | if (__f) { |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 240 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 241 | /* |
| 242 | * racy, need the __f->lock locked |
| 243 | */ |
| 244 | f->lock = __f->lock; |
| 245 | f->lock_owner = __f->lock_owner; |
| 246 | f->lock_batch = __f->lock_batch; |
| 247 | f->lock_ddir = __f->lock_ddir; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 248 | from_hash = 1; |
| 249 | } else { |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 250 | 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] | 251 | from_hash = 0; |
| 252 | } |
| 253 | |
Jens Axboe | e8670ef | 2008-03-06 12:06:30 +0100 | [diff] [blame^] | 254 | f->fd = open(f->file_name, flags, 0600); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 255 | return from_hash; |
| 256 | } |
| 257 | |
| 258 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
| 259 | { |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 260 | int is_std = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 261 | int flags = 0; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 262 | int from_hash = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 263 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 264 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
| 265 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 266 | if (!strcmp(f->file_name, "-")) { |
| 267 | if (td_rw(td)) { |
| 268 | log_err("fio: can't read/write to stdin/out\n"); |
| 269 | return 1; |
| 270 | } |
| 271 | is_std = 1; |
Jens Axboe | ce98fa6 | 2007-04-17 13:27:32 +0200 | [diff] [blame] | 272 | |
| 273 | /* |
| 274 | * move output logging to stderr, if we are writing to stdout |
| 275 | */ |
| 276 | if (td_write(td)) |
| 277 | f_out = stderr; |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 278 | } |
| 279 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 280 | if (td->o.odirect) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 281 | flags |= OS_O_DIRECT; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 282 | if (td->o.sync_io) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 283 | flags |= O_SYNC; |
Jens Axboe | ad92396 | 2007-10-11 21:41:41 +0200 | [diff] [blame] | 284 | if (f->filetype != FIO_TYPE_FILE) |
| 285 | flags |= O_NOATIME; |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 286 | |
Aaron Carroll | 056f345 | 2007-11-26 09:08:53 +0100 | [diff] [blame] | 287 | open_again: |
Jens Axboe | 660a1cb | 2007-04-17 15:37:47 +0200 | [diff] [blame] | 288 | if (td_write(td)) { |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 289 | assert(!read_only); |
| 290 | |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 291 | flags |= O_RDWR; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 292 | |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 293 | if (f->filetype == FIO_TYPE_FILE) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 294 | flags |= O_CREAT; |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 295 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 296 | if (is_std) |
| 297 | f->fd = dup(STDOUT_FILENO); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 298 | else |
| 299 | from_hash = file_lookup_open(f, flags); |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 300 | } else { |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 301 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 302 | flags |= O_RDWR; |
| 303 | else |
| 304 | flags |= O_RDONLY; |
| 305 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 306 | if (is_std) |
| 307 | f->fd = dup(STDIN_FILENO); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 308 | else |
| 309 | from_hash = file_lookup_open(f, flags); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | if (f->fd == -1) { |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 313 | char buf[FIO_VERROR_SIZE]; |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 314 | int __e = errno; |
| 315 | |
Aaron Carroll | 056f345 | 2007-11-26 09:08:53 +0100 | [diff] [blame] | 316 | if (errno == EPERM && (flags & O_NOATIME)) { |
| 317 | flags &= ~O_NOATIME; |
| 318 | goto open_again; |
| 319 | } |
| 320 | |
Jens Axboe | e8670ef | 2008-03-06 12:06:30 +0100 | [diff] [blame^] | 321 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 322 | |
| 323 | td_verror(td, __e, buf); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 324 | } |
| 325 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 326 | if (get_file_size(td, f)) |
| 327 | goto err; |
| 328 | |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 329 | if (!from_hash && f->fd != -1) { |
| 330 | if (add_file_hash(f)) { |
| 331 | int ret; |
| 332 | |
| 333 | /* |
| 334 | * OK to ignore, we haven't done anything with it |
| 335 | */ |
| 336 | ret = generic_close_file(td, f); |
| 337 | goto open_again; |
| 338 | } |
| 339 | } |
Jens Axboe | 4906e0b | 2008-03-01 18:59:51 +0100 | [diff] [blame] | 340 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 341 | return 0; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 342 | err: |
| 343 | close(f->fd); |
| 344 | return 1; |
| 345 | } |
| 346 | |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 347 | int open_files(struct thread_data *td) |
| 348 | { |
| 349 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 350 | unsigned int i; |
| 351 | int err = 0; |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 352 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 353 | dprint(FD_FILE, "open files\n"); |
| 354 | |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 355 | for_each_file(td, f, i) { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 356 | err = td_io_open_file(td, f); |
Jens Axboe | 9bf27b4 | 2007-03-27 19:49:31 +0200 | [diff] [blame] | 357 | if (err) { |
| 358 | if (td->error == EMFILE) { |
| 359 | log_err("fio: limited open files to: %d\n", td->nr_open_files); |
| 360 | td->o.open_files = td->nr_open_files; |
| 361 | err = 0; |
| 362 | clear_error(td); |
| 363 | } |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 364 | break; |
Jens Axboe | 9bf27b4 | 2007-03-27 19:49:31 +0200 | [diff] [blame] | 365 | } |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 366 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 367 | if (td->o.open_files == td->nr_open_files) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 368 | break; |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 369 | } |
| 370 | |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 371 | if (!err) |
| 372 | return 0; |
| 373 | |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 374 | for_each_file(td, f, i) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 375 | td_io_close_file(td, f); |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 376 | |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 377 | return err; |
| 378 | } |
| 379 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 380 | /* |
| 381 | * open/close all files, so that ->real_file_size gets set |
| 382 | */ |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 383 | static int get_file_sizes(struct thread_data *td) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 384 | { |
| 385 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 386 | unsigned int i; |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 387 | int err = 0; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 388 | |
| 389 | for_each_file(td, f, i) { |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 390 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, f->file_name); |
| 391 | |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 392 | if (td->io_ops->open_file(td, f)) { |
Jens Axboe | 40b44f4 | 2007-04-11 12:43:35 +0200 | [diff] [blame] | 393 | if (td->error != ENOENT) { |
| 394 | log_err("%s\n", td->verror); |
| 395 | err = 1; |
| 396 | } |
Jens Axboe | 541d66d | 2007-03-27 19:50:11 +0200 | [diff] [blame] | 397 | clear_error(td); |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 398 | } else { |
| 399 | if (td->io_ops->close_file) |
| 400 | td->io_ops->close_file(td, f); |
| 401 | } |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 402 | |
| 403 | if (f->real_file_size == -1ULL && td->o.size) |
| 404 | f->real_file_size = td->o.size / td->o.nr_files; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 405 | } |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 406 | |
| 407 | return err; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | /* |
| 411 | * Open the files and setup files sizes, creating files if necessary. |
| 412 | */ |
| 413 | int setup_files(struct thread_data *td) |
| 414 | { |
| 415 | unsigned long long total_size, extend_size; |
| 416 | struct fio_file *f; |
| 417 | unsigned int i; |
Jens Axboe | 000b080 | 2007-03-27 15:56:10 +0200 | [diff] [blame] | 418 | int err = 0, need_extend; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 419 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 420 | dprint(FD_FILE, "setup files\n"); |
| 421 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 422 | /* |
| 423 | * if ioengine defines a setup() method, it's responsible for |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 424 | * opening the files and setting f->real_file_size to indicate |
| 425 | * the valid range for that file. |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 426 | */ |
| 427 | if (td->io_ops->setup) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 428 | err = td->io_ops->setup(td); |
| 429 | else |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 430 | err = get_file_sizes(td); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 431 | |
Jens Axboe | f102706 | 2006-10-20 10:14:01 +0200 | [diff] [blame] | 432 | if (err) |
| 433 | return err; |
| 434 | |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 435 | /* |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 436 | * check sizes. if the files/devices do not exist and the size |
| 437 | * isn't passed to fio, abort. |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 438 | */ |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 439 | total_size = 0; |
| 440 | for_each_file(td, f, i) { |
| 441 | if (f->real_file_size == -1ULL) |
| 442 | total_size = -1ULL; |
| 443 | else |
| 444 | total_size += f->real_file_size; |
| 445 | } |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 446 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 447 | /* |
| 448 | * device/file sizes are zero and no size given, punt |
| 449 | */ |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 450 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
Shawn Lewis | aa31f1f | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 451 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 452 | log_err("%s: you need to specify size=\n", td->o.name); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 453 | td_verror(td, EINVAL, "total_file_size"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 454 | return 1; |
| 455 | } |
| 456 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 457 | /* |
| 458 | * now file sizes are known, so we can set ->io_size. if size= is |
| 459 | * not given, ->io_size is just equal to ->real_file_size. if size |
| 460 | * is given, ->io_size is size / nr_files. |
| 461 | */ |
| 462 | extend_size = total_size = 0; |
| 463 | need_extend = 0; |
| 464 | for_each_file(td, f, i) { |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 465 | f->file_offset = td->o.start_offset; |
| 466 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 467 | if (!td->o.file_size_low) { |
| 468 | /* |
| 469 | * no file size range given, file size is equal to |
| 470 | * total size divided by number of files. if that is |
| 471 | * zero, set it to the real file size. |
| 472 | */ |
| 473 | f->io_size = td->o.size / td->o.nr_files; |
Jens Axboe | 65bdb10 | 2008-01-24 13:13:12 +0100 | [diff] [blame] | 474 | if (!f->io_size) |
Jens Axboe | 273f8c9 | 2008-01-25 14:02:15 +0100 | [diff] [blame] | 475 | f->io_size = f->real_file_size - f->file_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 476 | } else if (f->real_file_size < td->o.file_size_low || |
| 477 | f->real_file_size > td->o.file_size_high) { |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 478 | if (f->file_offset > td->o.file_size_low) |
| 479 | goto err_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 480 | /* |
| 481 | * file size given. if it's fixed, use that. if it's a |
| 482 | * range, generate a random size in-between. |
| 483 | */ |
| 484 | if (td->o.file_size_low == td->o.file_size_high) |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 485 | f->io_size = td->o.file_size_low - f->file_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 486 | else |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 487 | f->io_size = get_rand_file_size(td) - f->file_offset; |
Jens Axboe | 65bdb10 | 2008-01-24 13:13:12 +0100 | [diff] [blame] | 488 | } else |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 489 | f->io_size = f->real_file_size - f->file_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 490 | |
| 491 | if (f->io_size == -1ULL) |
| 492 | total_size = -1ULL; |
| 493 | else |
| 494 | total_size += f->io_size; |
| 495 | |
| 496 | if (f->filetype == FIO_TYPE_FILE && |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 497 | (f->io_size + f->file_offset) > f->real_file_size && |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 498 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
| 499 | need_extend++; |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 500 | extend_size += (f->io_size + f->file_offset); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 501 | f->flags |= FIO_FILE_EXTEND; |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 502 | } |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 503 | } |
| 504 | |
ljzhang,Yaxin Hu,Jianchao Tang | 2298290 | 2007-07-27 13:21:28 +0200 | [diff] [blame] | 505 | if (!td->o.size || td->o.size > total_size) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 506 | td->o.size = total_size; |
| 507 | |
| 508 | /* |
| 509 | * See if we need to extend some files |
| 510 | */ |
| 511 | if (need_extend) { |
| 512 | temp_stall_ts = 1; |
Jens Axboe | f627d8a | 2007-08-24 10:24:09 +0200 | [diff] [blame] | 513 | log_info("%s: Laying out IO file(s) (%u file(s) / %LuMiB)\n", |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 514 | td->o.name, need_extend, extend_size >> 20); |
| 515 | |
| 516 | for_each_file(td, f, i) { |
| 517 | if (!(f->flags & FIO_FILE_EXTEND)) |
| 518 | continue; |
| 519 | |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 520 | assert(f->filetype == FIO_TYPE_FILE); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 521 | f->flags &= ~FIO_FILE_EXTEND; |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 522 | f->real_file_size = (f->io_size + f->file_offset); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 523 | err = extend_file(td, f); |
| 524 | if (err) |
| 525 | break; |
| 526 | } |
| 527 | temp_stall_ts = 0; |
| 528 | } |
| 529 | |
| 530 | if (err) |
| 531 | return err; |
| 532 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 533 | if (!td->o.zone_size) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 534 | td->o.zone_size = td->o.size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 535 | |
Jens Axboe | ea966f8 | 2007-09-03 10:09:37 +0200 | [diff] [blame] | 536 | /* |
| 537 | * iolog already set the total io size, if we read back |
| 538 | * stored entries. |
| 539 | */ |
| 540 | if (!td->o.read_iolog_file) |
| 541 | td->total_io_size = td->o.size * td->o.loops; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 542 | return 0; |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 543 | err_offset: |
| 544 | log_err("%s: you need to specify valid offset=\n", td->o.name); |
| 545 | return 1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 546 | } |
| 547 | |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 548 | int init_random_map(struct thread_data *td) |
| 549 | { |
Jens Axboe | 509eab1 | 2007-12-14 12:42:53 +0100 | [diff] [blame] | 550 | unsigned long long blocks, num_maps; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 551 | struct fio_file *f; |
| 552 | unsigned int i; |
| 553 | |
Jens Axboe | de8dd11 | 2008-03-01 15:34:44 +0100 | [diff] [blame] | 554 | if (td->o.norandommap || !td_random(td)) |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 555 | return 0; |
| 556 | |
| 557 | for_each_file(td, f, i) { |
Jens Axboe | 509eab1 | 2007-12-14 12:42:53 +0100 | [diff] [blame] | 558 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / (unsigned long long) td->o.rw_min_bs; |
| 559 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ (unsigned long long) BLOCKS_PER_MAP; |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 560 | f->file_map = smalloc(num_maps * sizeof(long)); |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 561 | if (!f->file_map) { |
| 562 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); |
| 563 | return 1; |
| 564 | } |
| 565 | f->num_maps = num_maps; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 566 | } |
| 567 | |
| 568 | return 0; |
| 569 | } |
| 570 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 571 | void close_files(struct thread_data *td) |
| 572 | { |
Jens Axboe | 0ab8db8 | 2006-10-18 17:16:23 +0200 | [diff] [blame] | 573 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 574 | unsigned int i; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 575 | |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 576 | for_each_file(td, f, i) |
| 577 | td_io_close_file(td, f); |
| 578 | } |
| 579 | |
| 580 | void close_and_free_files(struct thread_data *td) |
| 581 | { |
| 582 | struct fio_file *f; |
| 583 | unsigned int i; |
| 584 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 585 | dprint(FD_FILE, "close files\n"); |
| 586 | |
Jens Axboe | 0ab8db8 | 2006-10-18 17:16:23 +0200 | [diff] [blame] | 587 | for_each_file(td, f, i) { |
Jens Axboe | a9b7b30 | 2007-04-19 16:31:16 +0200 | [diff] [blame] | 588 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) |
Jens Axboe | 132ad46 | 2006-11-23 12:23:12 +0100 | [diff] [blame] | 589 | unlink(f->file_name); |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 590 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 591 | td_io_close_file(td, f); |
Jens Axboe | b3dc7f0 | 2007-03-09 12:52:15 +0100 | [diff] [blame] | 592 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 593 | sfree(f->file_name); |
Jens Axboe | fa1da86 | 2007-03-23 15:20:54 +0100 | [diff] [blame] | 594 | f->file_name = NULL; |
| 595 | |
Jens Axboe | c343981 | 2007-03-20 13:54:53 +0100 | [diff] [blame] | 596 | if (f->file_map) { |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 597 | sfree(f->file_map); |
Jens Axboe | c343981 | 2007-03-20 13:54:53 +0100 | [diff] [blame] | 598 | f->file_map = NULL; |
| 599 | } |
Jens Axboe | 78d99e6 | 2008-03-01 18:41:50 +0100 | [diff] [blame] | 600 | sfree(f); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 601 | } |
Jens Axboe | b4a6a59 | 2006-10-20 13:54:47 +0200 | [diff] [blame] | 602 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 603 | td->o.filename = NULL; |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 604 | free(td->files); |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 605 | td->files_index = 0; |
Jens Axboe | b4a6a59 | 2006-10-20 13:54:47 +0200 | [diff] [blame] | 606 | td->files = NULL; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 607 | td->o.nr_files = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 608 | } |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 609 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 610 | static void get_file_type(struct fio_file *f) |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 611 | { |
| 612 | struct stat sb; |
| 613 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 614 | if (!strcmp(f->file_name, "-")) |
| 615 | f->filetype = FIO_TYPE_PIPE; |
| 616 | else |
| 617 | f->filetype = FIO_TYPE_FILE; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 618 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 619 | if (!lstat(f->file_name, &sb)) { |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 620 | if (S_ISBLK(sb.st_mode)) |
| 621 | f->filetype = FIO_TYPE_BD; |
| 622 | else if (S_ISCHR(sb.st_mode)) |
| 623 | f->filetype = FIO_TYPE_CHAR; |
Jens Axboe | b5605e9 | 2007-04-16 20:42:33 +0200 | [diff] [blame] | 624 | else if (S_ISFIFO(sb.st_mode)) |
| 625 | f->filetype = FIO_TYPE_PIPE; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 626 | } |
| 627 | } |
| 628 | |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 629 | int add_file(struct thread_data *td, const char *fname) |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 630 | { |
Jens Axboe | 7b4e4fe | 2007-03-13 12:51:40 +0100 | [diff] [blame] | 631 | int cur_files = td->files_index; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 632 | char file_name[PATH_MAX]; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 633 | struct fio_file *f; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 634 | int len = 0; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 635 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 636 | dprint(FD_FILE, "add file %s\n", fname); |
| 637 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 638 | f = smalloc(sizeof(*f)); |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 639 | f->fd = -1; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 640 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 641 | dprint(FD_FILE, "resize file array to %d files\n", cur_files + 1); |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 642 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 643 | td->files = realloc(td->files, (cur_files + 1) * sizeof(f)); |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 644 | td->files[cur_files] = f; |
| 645 | |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 646 | /* |
| 647 | * init function, io engine may not be loaded yet |
| 648 | */ |
| 649 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) |
| 650 | f->real_file_size = -1ULL; |
| 651 | |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 652 | if (td->o.directory) |
| 653 | len = sprintf(file_name, "%s/", td->o.directory); |
| 654 | |
| 655 | sprintf(file_name + len, "%s", fname); |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 656 | f->file_name = smalloc_strdup(file_name); |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 657 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 658 | get_file_type(f); |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 659 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 660 | switch (td->o.file_lock_mode) { |
| 661 | case FILE_LOCK_NONE: |
| 662 | break; |
| 663 | case FILE_LOCK_READWRITE: |
| 664 | f->lock = fio_mutex_rw_init(); |
| 665 | break; |
| 666 | case FILE_LOCK_EXCLUSIVE: |
| 667 | f->lock = fio_mutex_init(1); |
| 668 | break; |
| 669 | default: |
| 670 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); |
| 671 | assert(0); |
| 672 | } |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 673 | |
Jens Axboe | 7b4e4fe | 2007-03-13 12:51:40 +0100 | [diff] [blame] | 674 | td->files_index++; |
Jens Axboe | 1549441 | 2007-03-13 11:52:47 +0100 | [diff] [blame] | 675 | if (f->filetype == FIO_TYPE_FILE) |
| 676 | td->nr_normal_files++; |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 677 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 678 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, cur_files); |
| 679 | |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 680 | return cur_files; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 681 | } |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 682 | |
| 683 | void get_file(struct fio_file *f) |
| 684 | { |
Jens Axboe | 8172fe9 | 2008-02-01 21:51:02 +0100 | [diff] [blame] | 685 | 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] | 686 | assert(f->flags & FIO_FILE_OPEN); |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 687 | f->references++; |
| 688 | } |
| 689 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 690 | int put_file(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 691 | { |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 692 | int f_ret = 0, ret = 0; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 693 | |
Jens Axboe | 8172fe9 | 2008-02-01 21:51:02 +0100 | [diff] [blame] | 694 | 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] | 695 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 696 | if (!(f->flags & FIO_FILE_OPEN)) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 697 | return 0; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 698 | |
| 699 | assert(f->references); |
| 700 | if (--f->references) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 701 | return 0; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 702 | |
Jens Axboe | d424d4d | 2007-04-17 09:05:10 +0200 | [diff] [blame] | 703 | if (should_fsync(td) && td->o.fsync_on_close) |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 704 | f_ret = fsync(f->fd); |
Jens Axboe | ebb1415 | 2007-03-13 14:42:15 +0100 | [diff] [blame] | 705 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 706 | if (td->io_ops->close_file) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 707 | ret = td->io_ops->close_file(td, f); |
Jens Axboe | 1020a13 | 2007-03-29 11:15:06 +0200 | [diff] [blame] | 708 | |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 709 | if (!ret) |
| 710 | ret = !f_ret; |
| 711 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 712 | td->nr_open_files--; |
| 713 | f->flags &= ~FIO_FILE_OPEN; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 714 | return ret; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 715 | } |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 716 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 717 | 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] | 718 | { |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 719 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
| 720 | return; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 721 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 722 | if (f->lock_owner == td && f->lock_batch--) |
| 723 | return; |
| 724 | |
| 725 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
| 726 | if (ddir == DDIR_READ) |
| 727 | fio_mutex_down_read(f->lock); |
| 728 | else |
| 729 | fio_mutex_down_write(f->lock); |
| 730 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
| 731 | fio_mutex_down(f->lock); |
| 732 | |
| 733 | f->lock_owner = td; |
| 734 | f->lock_batch = td->o.lockfile_batch; |
| 735 | f->lock_ddir = ddir; |
| 736 | } |
| 737 | |
| 738 | void unlock_file(struct thread_data *td, struct fio_file *f) |
| 739 | { |
| 740 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
| 741 | return; |
| 742 | if (f->lock_batch) |
| 743 | return; |
| 744 | |
| 745 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
| 746 | const int is_read = f->lock_ddir == DDIR_READ; |
| 747 | int val = fio_mutex_getval(f->lock); |
| 748 | |
| 749 | if ((is_read && val == 1) || (!is_read && val == -1)) |
| 750 | f->lock_owner = NULL; |
| 751 | |
| 752 | if (is_read) |
| 753 | fio_mutex_up_read(f->lock); |
| 754 | else |
| 755 | fio_mutex_up_write(f->lock); |
| 756 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) { |
| 757 | int val = fio_mutex_getval(f->lock); |
| 758 | |
| 759 | if (val == 0) |
| 760 | f->lock_owner = NULL; |
| 761 | |
| 762 | fio_mutex_up(f->lock); |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 763 | } |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 764 | } |
| 765 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 766 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 767 | { |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 768 | if (f->lock_owner != td) |
| 769 | return; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 770 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 771 | f->lock_batch = 0; |
| 772 | unlock_file(td, f); |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 773 | } |
| 774 | |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 775 | static int recurse_dir(struct thread_data *td, const char *dirname) |
| 776 | { |
| 777 | struct dirent *dir; |
| 778 | int ret = 0; |
| 779 | DIR *D; |
| 780 | |
| 781 | D = opendir(dirname); |
| 782 | if (!D) { |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 783 | char buf[FIO_VERROR_SIZE]; |
| 784 | |
| 785 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); |
| 786 | td_verror(td, errno, buf); |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 787 | return 1; |
| 788 | } |
| 789 | |
| 790 | while ((dir = readdir(D)) != NULL) { |
| 791 | char full_path[PATH_MAX]; |
| 792 | struct stat sb; |
| 793 | |
Jens Axboe | e85b2b8 | 2007-03-14 09:39:06 +0100 | [diff] [blame] | 794 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
| 795 | continue; |
Jens Axboe | 96d32d5 | 2007-03-14 09:16:09 +0100 | [diff] [blame] | 796 | |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 797 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
| 798 | |
| 799 | if (lstat(full_path, &sb) == -1) { |
| 800 | if (errno != ENOENT) { |
| 801 | td_verror(td, errno, "stat"); |
| 802 | return 1; |
| 803 | } |
| 804 | } |
| 805 | |
| 806 | if (S_ISREG(sb.st_mode)) { |
| 807 | add_file(td, full_path); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 808 | td->o.nr_files++; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 809 | continue; |
| 810 | } |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 811 | if (!S_ISDIR(sb.st_mode)) |
| 812 | continue; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 813 | |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 814 | if ((ret = recurse_dir(td, full_path)) != 0) |
| 815 | break; |
| 816 | } |
| 817 | |
| 818 | closedir(D); |
| 819 | return ret; |
| 820 | } |
| 821 | |
| 822 | int add_dir_files(struct thread_data *td, const char *path) |
| 823 | { |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 824 | int ret = recurse_dir(td, path); |
| 825 | |
| 826 | if (!ret) |
| 827 | log_info("fio: opendir added %d files\n", td->o.nr_files); |
| 828 | |
| 829 | return ret; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 830 | } |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 831 | |
| 832 | void dup_files(struct thread_data *td, struct thread_data *org) |
| 833 | { |
| 834 | struct fio_file *f; |
| 835 | unsigned int i; |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 836 | |
| 837 | dprint(FD_FILE, "dup files: %d\n", org->files_index); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 838 | |
| 839 | if (!org->files) |
| 840 | return; |
| 841 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 842 | td->files = malloc(org->files_index * sizeof(f)); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 843 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 844 | for_each_file(org, f, i) { |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 845 | struct fio_file *__f; |
| 846 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 847 | __f = smalloc(sizeof(*__f)); |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 848 | |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 849 | if (f->file_name) |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 850 | __f->file_name = smalloc_strdup(f->file_name); |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 851 | |
| 852 | td->files[i] = __f; |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 853 | } |
| 854 | } |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 855 | |
| 856 | /* |
| 857 | * Returns the index that matches the filename, or -1 if not there |
| 858 | */ |
| 859 | int get_fileno(struct thread_data *td, const char *fname) |
| 860 | { |
| 861 | struct fio_file *f; |
| 862 | unsigned int i; |
| 863 | |
| 864 | for_each_file(td, f, i) |
| 865 | if (!strcmp(f->file_name, fname)) |
| 866 | return i; |
| 867 | |
| 868 | return -1; |
| 869 | } |
| 870 | |
| 871 | /* |
| 872 | * For log usage, where we add/open/close files automatically |
| 873 | */ |
| 874 | void free_release_files(struct thread_data *td) |
| 875 | { |
| 876 | close_files(td); |
| 877 | td->files_index = 0; |
| 878 | td->nr_normal_files = 0; |
| 879 | } |