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 | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 71 | dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name, |
| 72 | f->real_file_size); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 73 | if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 74 | td_verror(td, errno, "posix_fallocate"); |
Jens Axboe | 40f8298 | 2006-10-25 11:21:05 +0200 | [diff] [blame] | 75 | goto err; |
| 76 | } |
| 77 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 78 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
| 79 | memset(b, 0, td->o.max_bs[DDIR_WRITE]); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 80 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 81 | left = f->real_file_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 82 | while (left && !td->terminate) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 83 | bs = td->o.max_bs[DDIR_WRITE]; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 84 | if (bs > left) |
| 85 | bs = left; |
| 86 | |
| 87 | r = write(f->fd, b, bs); |
| 88 | |
| 89 | if (r == (int) bs) { |
| 90 | left -= bs; |
| 91 | continue; |
| 92 | } else { |
| 93 | if (r < 0) |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 94 | td_verror(td, errno, "write"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 95 | else |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 96 | td_verror(td, EIO, "write"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 97 | |
| 98 | break; |
| 99 | } |
| 100 | } |
| 101 | |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 102 | if (td->terminate) { |
| 103 | dprint(FD_FILE, "terminate unlink %s\n", f->file_name); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 104 | unlink(f->file_name); |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 105 | } else if (td->o.create_fsync) { |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 106 | if (fsync(f->fd) < 0) { |
| 107 | td_verror(td, errno, "fsync"); |
| 108 | goto err; |
| 109 | } |
| 110 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 111 | |
| 112 | free(b); |
Jens Axboe | 507a702 | 2007-03-27 15:52:46 +0200 | [diff] [blame] | 113 | done: |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 114 | return 0; |
| 115 | err: |
| 116 | close(f->fd); |
| 117 | f->fd = -1; |
| 118 | return 1; |
| 119 | } |
| 120 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 121 | static unsigned long long get_rand_file_size(struct thread_data *td) |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 122 | { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 123 | unsigned long long ret, size_d; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 124 | long r; |
| 125 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 126 | r = os_random_long(&td->file_size_state); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 127 | size_d = td->o.file_size_high - td->o.file_size_low; |
| 128 | ret = (unsigned long long) ((double) size_d * (r / (RAND_MAX + 1.0))); |
| 129 | ret += td->o.file_size_low; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 130 | ret -= (ret % td->o.rw_min_bs); |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 131 | return ret; |
| 132 | } |
| 133 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 134 | static int file_size(struct thread_data *td, struct fio_file *f) |
| 135 | { |
| 136 | struct stat st; |
| 137 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 138 | if (fstat(f->fd, &st) == -1) { |
| 139 | td_verror(td, errno, "fstat"); |
| 140 | return 1; |
| 141 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 142 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 143 | f->real_file_size = st.st_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 144 | return 0; |
| 145 | } |
| 146 | |
| 147 | static int bdev_size(struct thread_data *td, struct fio_file *f) |
| 148 | { |
| 149 | unsigned long long bytes; |
| 150 | int r; |
| 151 | |
| 152 | r = blockdev_size(f->fd, &bytes); |
| 153 | if (r) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 154 | td_verror(td, r, "blockdev_size"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 155 | return 1; |
| 156 | } |
| 157 | |
| 158 | f->real_file_size = bytes; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 159 | return 0; |
| 160 | } |
| 161 | |
| 162 | static int get_file_size(struct thread_data *td, struct fio_file *f) |
| 163 | { |
| 164 | int ret = 0; |
| 165 | |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 166 | if (f->flags & FIO_SIZE_KNOWN) |
| 167 | return 0; |
| 168 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 169 | if (f->filetype == FIO_TYPE_FILE) |
| 170 | ret = file_size(td, f); |
| 171 | else if (f->filetype == FIO_TYPE_BD) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 172 | ret = bdev_size(td, f); |
| 173 | else |
| 174 | f->real_file_size = -1; |
| 175 | |
| 176 | if (ret) |
| 177 | return ret; |
| 178 | |
| 179 | if (f->file_offset > f->real_file_size) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 180 | log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, |
| 181 | f->file_offset, f->real_file_size); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 182 | return 1; |
| 183 | } |
| 184 | |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 185 | f->flags |= FIO_SIZE_KNOWN; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 186 | return 0; |
| 187 | } |
| 188 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 189 | static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f, |
| 190 | unsigned long long off, |
| 191 | unsigned long long len) |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 192 | { |
| 193 | int ret = 0; |
| 194 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 195 | if (len == -1ULL) |
| 196 | len = f->io_size; |
| 197 | if (off == -1ULL) |
| 198 | off = f->file_offset; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 199 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 200 | dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off, |
| 201 | len); |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 202 | |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 203 | /* |
| 204 | * FIXME: add blockdev flushing too |
| 205 | */ |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 206 | if (f->mmap) |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 207 | ret = madvise(f->mmap, len, MADV_DONTNEED); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 208 | else if (f->filetype == FIO_TYPE_FILE) { |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 209 | ret = fadvise(f->fd, off, len, POSIX_FADV_DONTNEED); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 210 | } else if (f->filetype == FIO_TYPE_BD) { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 211 | ret = blockdev_invalidate_cache(f->fd); |
Jens Axboe | 7e0e25c | 2007-03-27 12:49:56 +0200 | [diff] [blame] | 212 | if (ret < 0 && errno == EACCES && geteuid()) { |
Jens Axboe | 7172cfe | 2007-07-23 14:36:00 +0200 | [diff] [blame] | 213 | if (!root_warn) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 214 | log_err("fio: only root may flush block " |
| 215 | "devices. Cache flush bypassed!\n"); |
Jens Axboe | 7172cfe | 2007-07-23 14:36:00 +0200 | [diff] [blame] | 216 | root_warn = 1; |
| 217 | } |
Jens Axboe | 7e0e25c | 2007-03-27 12:49:56 +0200 | [diff] [blame] | 218 | ret = 0; |
| 219 | } |
Jens Axboe | b5605e9 | 2007-04-16 20:42:33 +0200 | [diff] [blame] | 220 | } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE) |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 221 | ret = 0; |
| 222 | |
| 223 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 224 | td_verror(td, errno, "invalidate_cache"); |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 225 | return 1; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 226 | } else if (ret > 0) { |
| 227 | td_verror(td, ret, "invalidate_cache"); |
| 228 | return 1; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 229 | } |
| 230 | |
Jens Axboe | ad2da60 | 2007-02-26 12:33:27 +0100 | [diff] [blame] | 231 | return ret; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 232 | |
| 233 | } |
| 234 | |
| 235 | int file_invalidate_cache(struct thread_data *td, struct fio_file *f) |
| 236 | { |
Jens Axboe | a5fb461 | 2008-05-28 10:54:01 +0200 | [diff] [blame^] | 237 | if (!(f->flags & FIO_FILE_OPEN)) |
| 238 | return 0; |
| 239 | |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 240 | return __file_invalidate_cache(td, f, -1, -1); |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 241 | } |
| 242 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 243 | 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] | 244 | { |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 245 | int ret = 0; |
| 246 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 247 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
Jens Axboe | 4906e0b | 2008-03-01 18:59:51 +0100 | [diff] [blame] | 248 | |
| 249 | remove_file_hash(f); |
| 250 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 251 | if (close(f->fd) < 0) |
| 252 | ret = errno; |
| 253 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 254 | f->fd = -1; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 255 | return ret; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 256 | } |
| 257 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 258 | static int file_lookup_open(struct fio_file *f, int flags) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 259 | { |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 260 | struct fio_file *__f; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 261 | int from_hash; |
| 262 | |
| 263 | __f = lookup_file_hash(f->file_name); |
| 264 | if (__f) { |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 265 | dprint(FD_FILE, "found file in hash %s\n", f->file_name); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 266 | /* |
| 267 | * racy, need the __f->lock locked |
| 268 | */ |
| 269 | f->lock = __f->lock; |
| 270 | f->lock_owner = __f->lock_owner; |
| 271 | f->lock_batch = __f->lock_batch; |
| 272 | f->lock_ddir = __f->lock_ddir; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 273 | from_hash = 1; |
| 274 | } else { |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 275 | 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] | 276 | from_hash = 0; |
| 277 | } |
| 278 | |
Jens Axboe | e8670ef | 2008-03-06 12:06:30 +0100 | [diff] [blame] | 279 | f->fd = open(f->file_name, flags, 0600); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 280 | return from_hash; |
| 281 | } |
| 282 | |
| 283 | int generic_open_file(struct thread_data *td, struct fio_file *f) |
| 284 | { |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 285 | int is_std = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 286 | int flags = 0; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 287 | int from_hash = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 288 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 289 | dprint(FD_FILE, "fd open %s\n", f->file_name); |
| 290 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 291 | if (!strcmp(f->file_name, "-")) { |
| 292 | if (td_rw(td)) { |
| 293 | log_err("fio: can't read/write to stdin/out\n"); |
| 294 | return 1; |
| 295 | } |
| 296 | is_std = 1; |
Jens Axboe | ce98fa6 | 2007-04-17 13:27:32 +0200 | [diff] [blame] | 297 | |
| 298 | /* |
| 299 | * move output logging to stderr, if we are writing to stdout |
| 300 | */ |
| 301 | if (td_write(td)) |
| 302 | f_out = stderr; |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 303 | } |
| 304 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 305 | if (td->o.odirect) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 306 | flags |= OS_O_DIRECT; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 307 | if (td->o.sync_io) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 308 | flags |= O_SYNC; |
Jens Axboe | ad92396 | 2007-10-11 21:41:41 +0200 | [diff] [blame] | 309 | if (f->filetype != FIO_TYPE_FILE) |
| 310 | flags |= O_NOATIME; |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 311 | |
Aaron Carroll | 056f345 | 2007-11-26 09:08:53 +0100 | [diff] [blame] | 312 | open_again: |
Jens Axboe | 660a1cb | 2007-04-17 15:37:47 +0200 | [diff] [blame] | 313 | if (td_write(td)) { |
Jens Axboe | 1730815 | 2008-03-07 13:42:31 +0100 | [diff] [blame] | 314 | if (!read_only) |
| 315 | flags |= O_RDWR; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 316 | |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 317 | if (f->filetype == FIO_TYPE_FILE) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 318 | flags |= O_CREAT; |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 319 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 320 | if (is_std) |
| 321 | f->fd = dup(STDOUT_FILENO); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 322 | else |
| 323 | from_hash = file_lookup_open(f, flags); |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 324 | } else { |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 325 | if (f->filetype == FIO_TYPE_CHAR && !read_only) |
Jens Axboe | 2fd233b | 2007-03-02 08:44:25 +0100 | [diff] [blame] | 326 | flags |= O_RDWR; |
| 327 | else |
| 328 | flags |= O_RDONLY; |
| 329 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 330 | if (is_std) |
| 331 | f->fd = dup(STDIN_FILENO); |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 332 | else |
| 333 | from_hash = file_lookup_open(f, flags); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 334 | } |
| 335 | |
| 336 | if (f->fd == -1) { |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 337 | char buf[FIO_VERROR_SIZE]; |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 338 | int __e = errno; |
| 339 | |
Aaron Carroll | 056f345 | 2007-11-26 09:08:53 +0100 | [diff] [blame] | 340 | if (errno == EPERM && (flags & O_NOATIME)) { |
| 341 | flags &= ~O_NOATIME; |
| 342 | goto open_again; |
| 343 | } |
| 344 | |
Jens Axboe | e8670ef | 2008-03-06 12:06:30 +0100 | [diff] [blame] | 345 | snprintf(buf, sizeof(buf) - 1, "open(%s)", f->file_name); |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 346 | |
| 347 | td_verror(td, __e, buf); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 348 | } |
| 349 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 350 | if (get_file_size(td, f)) |
| 351 | goto err; |
| 352 | |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 353 | if (!from_hash && f->fd != -1) { |
| 354 | if (add_file_hash(f)) { |
| 355 | int ret; |
| 356 | |
| 357 | /* |
| 358 | * OK to ignore, we haven't done anything with it |
| 359 | */ |
| 360 | ret = generic_close_file(td, f); |
| 361 | goto open_again; |
| 362 | } |
| 363 | } |
Jens Axboe | 4906e0b | 2008-03-01 18:59:51 +0100 | [diff] [blame] | 364 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 365 | return 0; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 366 | err: |
| 367 | close(f->fd); |
| 368 | return 1; |
| 369 | } |
| 370 | |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 371 | int open_files(struct thread_data *td) |
| 372 | { |
| 373 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 374 | unsigned int i; |
| 375 | int err = 0; |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 376 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 377 | dprint(FD_FILE, "open files\n"); |
| 378 | |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 379 | for_each_file(td, f, i) { |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 380 | err = td_io_open_file(td, f); |
Jens Axboe | 9bf27b4 | 2007-03-27 19:49:31 +0200 | [diff] [blame] | 381 | if (err) { |
| 382 | if (td->error == EMFILE) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 383 | log_err("fio: limited open files to: %d\n", |
| 384 | td->nr_open_files); |
Jens Axboe | 9bf27b4 | 2007-03-27 19:49:31 +0200 | [diff] [blame] | 385 | td->o.open_files = td->nr_open_files; |
| 386 | err = 0; |
| 387 | clear_error(td); |
| 388 | } |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 389 | break; |
Jens Axboe | 9bf27b4 | 2007-03-27 19:49:31 +0200 | [diff] [blame] | 390 | } |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 391 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 392 | if (td->o.open_files == td->nr_open_files) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 393 | break; |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 394 | } |
| 395 | |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 396 | if (!err) |
| 397 | return 0; |
| 398 | |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 399 | for_each_file(td, f, i) |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 400 | td_io_close_file(td, f); |
Jens Axboe | 7abf833 | 2006-11-23 15:01:19 +0100 | [diff] [blame] | 401 | |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 402 | return err; |
| 403 | } |
| 404 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 405 | /* |
| 406 | * open/close all files, so that ->real_file_size gets set |
| 407 | */ |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 408 | static int get_file_sizes(struct thread_data *td) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 409 | { |
| 410 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 411 | unsigned int i; |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 412 | int err = 0; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 413 | |
| 414 | for_each_file(td, f, i) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 415 | dprint(FD_FILE, "get file size for %p/%d/%p\n", f, i, |
| 416 | f->file_name); |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 417 | |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 418 | if (td->io_ops->open_file(td, f)) { |
Jens Axboe | 40b44f4 | 2007-04-11 12:43:35 +0200 | [diff] [blame] | 419 | if (td->error != ENOENT) { |
| 420 | log_err("%s\n", td->verror); |
| 421 | err = 1; |
| 422 | } |
Jens Axboe | 541d66d | 2007-03-27 19:50:11 +0200 | [diff] [blame] | 423 | clear_error(td); |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 424 | } else { |
| 425 | if (td->io_ops->close_file) |
| 426 | td->io_ops->close_file(td, f); |
| 427 | } |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 428 | |
| 429 | if (f->real_file_size == -1ULL && td->o.size) |
| 430 | f->real_file_size = td->o.size / td->o.nr_files; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 431 | } |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 432 | |
| 433 | return err; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 434 | } |
| 435 | |
| 436 | /* |
| 437 | * Open the files and setup files sizes, creating files if necessary. |
| 438 | */ |
| 439 | int setup_files(struct thread_data *td) |
| 440 | { |
| 441 | unsigned long long total_size, extend_size; |
| 442 | struct fio_file *f; |
| 443 | unsigned int i; |
Jens Axboe | 000b080 | 2007-03-27 15:56:10 +0200 | [diff] [blame] | 444 | int err = 0, need_extend; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 445 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 446 | dprint(FD_FILE, "setup files\n"); |
| 447 | |
Jens Axboe | 691c8fb | 2008-03-07 14:26:26 +0100 | [diff] [blame] | 448 | if (td->o.read_iolog_file) |
| 449 | return 0; |
| 450 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 451 | /* |
| 452 | * if ioengine defines a setup() method, it's responsible for |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 453 | * opening the files and setting f->real_file_size to indicate |
| 454 | * the valid range for that file. |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 455 | */ |
| 456 | if (td->io_ops->setup) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 457 | err = td->io_ops->setup(td); |
| 458 | else |
Jens Axboe | bab3fd5 | 2007-04-02 10:34:18 +0200 | [diff] [blame] | 459 | err = get_file_sizes(td); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 460 | |
Jens Axboe | f102706 | 2006-10-20 10:14:01 +0200 | [diff] [blame] | 461 | if (err) |
| 462 | return err; |
| 463 | |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 464 | /* |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 465 | * check sizes. if the files/devices do not exist and the size |
| 466 | * isn't passed to fio, abort. |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 467 | */ |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 468 | total_size = 0; |
| 469 | for_each_file(td, f, i) { |
| 470 | if (f->real_file_size == -1ULL) |
| 471 | total_size = -1ULL; |
| 472 | else |
| 473 | total_size += f->real_file_size; |
| 474 | } |
Jens Axboe | 0a7eb12 | 2006-10-20 10:36:42 +0200 | [diff] [blame] | 475 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 476 | /* |
| 477 | * device/file sizes are zero and no size given, punt |
| 478 | */ |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 479 | if ((!total_size || total_size == -1ULL) && !td->o.size && |
Shawn Lewis | aa31f1f | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 480 | !(td->io_ops->flags & FIO_NOIO) && !td->o.fill_device) { |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 481 | log_err("%s: you need to specify size=\n", td->o.name); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 482 | td_verror(td, EINVAL, "total_file_size"); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 483 | return 1; |
| 484 | } |
| 485 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 486 | /* |
| 487 | * now file sizes are known, so we can set ->io_size. if size= is |
| 488 | * not given, ->io_size is just equal to ->real_file_size. if size |
| 489 | * is given, ->io_size is size / nr_files. |
| 490 | */ |
| 491 | extend_size = total_size = 0; |
| 492 | need_extend = 0; |
| 493 | for_each_file(td, f, i) { |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 494 | f->file_offset = td->o.start_offset; |
| 495 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 496 | if (!td->o.file_size_low) { |
| 497 | /* |
| 498 | * no file size range given, file size is equal to |
| 499 | * total size divided by number of files. if that is |
| 500 | * zero, set it to the real file size. |
| 501 | */ |
| 502 | f->io_size = td->o.size / td->o.nr_files; |
Jens Axboe | 65bdb10 | 2008-01-24 13:13:12 +0100 | [diff] [blame] | 503 | if (!f->io_size) |
Jens Axboe | 273f8c9 | 2008-01-25 14:02:15 +0100 | [diff] [blame] | 504 | f->io_size = f->real_file_size - f->file_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 505 | } else if (f->real_file_size < td->o.file_size_low || |
| 506 | f->real_file_size > td->o.file_size_high) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 507 | if (f->file_offset > td->o.file_size_low) |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 508 | goto err_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 509 | /* |
| 510 | * file size given. if it's fixed, use that. if it's a |
| 511 | * range, generate a random size in-between. |
| 512 | */ |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 513 | if (td->o.file_size_low == td->o.file_size_high) { |
| 514 | f->io_size = td->o.file_size_low |
| 515 | - f->file_offset; |
| 516 | } else { |
| 517 | f->io_size = get_rand_file_size(td) |
| 518 | - f->file_offset; |
| 519 | } |
Jens Axboe | 65bdb10 | 2008-01-24 13:13:12 +0100 | [diff] [blame] | 520 | } else |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 521 | f->io_size = f->real_file_size - f->file_offset; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 522 | |
| 523 | if (f->io_size == -1ULL) |
| 524 | total_size = -1ULL; |
| 525 | else |
| 526 | total_size += f->io_size; |
| 527 | |
| 528 | if (f->filetype == FIO_TYPE_FILE && |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 529 | (f->io_size + f->file_offset) > f->real_file_size && |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 530 | !(td->io_ops->flags & FIO_DISKLESSIO)) { |
| 531 | need_extend++; |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 532 | extend_size += (f->io_size + f->file_offset); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 533 | f->flags |= FIO_FILE_EXTEND; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 534 | } |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 535 | } |
| 536 | |
ljzhang,Yaxin Hu,Jianchao Tang | 2298290 | 2007-07-27 13:21:28 +0200 | [diff] [blame] | 537 | if (!td->o.size || td->o.size > total_size) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 538 | td->o.size = total_size; |
| 539 | |
| 540 | /* |
| 541 | * See if we need to extend some files |
| 542 | */ |
| 543 | if (need_extend) { |
| 544 | temp_stall_ts = 1; |
Jens Axboe | f627d8a | 2007-08-24 10:24:09 +0200 | [diff] [blame] | 545 | 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] | 546 | td->o.name, need_extend, extend_size >> 20); |
| 547 | |
| 548 | for_each_file(td, f, i) { |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 549 | unsigned long long old_len, extend_len; |
| 550 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 551 | if (!(f->flags & FIO_FILE_EXTEND)) |
| 552 | continue; |
| 553 | |
Jens Axboe | 409b341 | 2007-03-28 09:57:01 +0200 | [diff] [blame] | 554 | assert(f->filetype == FIO_TYPE_FILE); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 555 | f->flags &= ~FIO_FILE_EXTEND; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 556 | old_len = f->real_file_size; |
| 557 | 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] | 558 | f->real_file_size = (f->io_size + f->file_offset); |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 559 | err = extend_file(td, f); |
| 560 | if (err) |
| 561 | break; |
Jens Axboe | 3baddf2 | 2008-04-04 11:10:30 +0200 | [diff] [blame] | 562 | |
| 563 | err = __file_invalidate_cache(td, f, old_len, |
| 564 | extend_len); |
| 565 | close(f->fd); |
| 566 | f->fd = -1; |
| 567 | if (err) |
| 568 | break; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 569 | } |
| 570 | temp_stall_ts = 0; |
| 571 | } |
| 572 | |
| 573 | if (err) |
| 574 | return err; |
| 575 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 576 | if (!td->o.zone_size) |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 577 | td->o.zone_size = td->o.size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 578 | |
Jens Axboe | ea966f8 | 2007-09-03 10:09:37 +0200 | [diff] [blame] | 579 | /* |
| 580 | * iolog already set the total io size, if we read back |
| 581 | * stored entries. |
| 582 | */ |
| 583 | if (!td->o.read_iolog_file) |
| 584 | td->total_io_size = td->o.size * td->o.loops; |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 585 | return 0; |
ljzhang,Yaxin Hu,Jianchao Tang | bcdedd0 | 2007-07-27 13:28:26 +0200 | [diff] [blame] | 586 | err_offset: |
| 587 | log_err("%s: you need to specify valid offset=\n", td->o.name); |
| 588 | return 1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 589 | } |
| 590 | |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 591 | int init_random_map(struct thread_data *td) |
| 592 | { |
Jens Axboe | 509eab1 | 2007-12-14 12:42:53 +0100 | [diff] [blame] | 593 | unsigned long long blocks, num_maps; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 594 | struct fio_file *f; |
| 595 | unsigned int i; |
| 596 | |
Jens Axboe | de8dd11 | 2008-03-01 15:34:44 +0100 | [diff] [blame] | 597 | if (td->o.norandommap || !td_random(td)) |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 598 | return 0; |
| 599 | |
| 600 | for_each_file(td, f, i) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 601 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / |
| 602 | (unsigned long long) td->o.rw_min_bs; |
| 603 | num_maps = (blocks + BLOCKS_PER_MAP - 1) / |
| 604 | (unsigned long long) BLOCKS_PER_MAP; |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 605 | f->file_map = smalloc(num_maps * sizeof(long)); |
Jens Axboe | 303032a | 2008-03-26 10:11:10 +0100 | [diff] [blame] | 606 | if (f->file_map) { |
| 607 | f->num_maps = num_maps; |
| 608 | continue; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 609 | } |
Jens Axboe | 2b386d2 | 2008-03-26 10:32:57 +0100 | [diff] [blame] | 610 | if (!td->o.softrandommap) { |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 611 | log_err("fio: failed allocating random map. If running" |
| 612 | " a large number of jobs, try the 'norandommap'" |
Jens Axboe | 2b386d2 | 2008-03-26 10:32:57 +0100 | [diff] [blame] | 613 | " option or set 'softrandommap'. Or give" |
| 614 | " a larger --alloc-size to fio.\n"); |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 615 | return 1; |
| 616 | } |
Jens Axboe | 303032a | 2008-03-26 10:11:10 +0100 | [diff] [blame] | 617 | |
| 618 | log_info("fio: file %s failed allocating random map. Running " |
| 619 | "job without.\n", f->file_name); |
| 620 | f->num_maps = 0; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 621 | } |
| 622 | |
| 623 | return 0; |
| 624 | } |
| 625 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 626 | void close_files(struct thread_data *td) |
| 627 | { |
Jens Axboe | 0ab8db8 | 2006-10-18 17:16:23 +0200 | [diff] [blame] | 628 | struct fio_file *f; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 629 | unsigned int i; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 630 | |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 631 | for_each_file(td, f, i) |
| 632 | td_io_close_file(td, f); |
| 633 | } |
| 634 | |
| 635 | void close_and_free_files(struct thread_data *td) |
| 636 | { |
| 637 | struct fio_file *f; |
| 638 | unsigned int i; |
| 639 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 640 | dprint(FD_FILE, "close files\n"); |
| 641 | |
Jens Axboe | 0ab8db8 | 2006-10-18 17:16:23 +0200 | [diff] [blame] | 642 | for_each_file(td, f, i) { |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 643 | if (td->o.unlink && f->filetype == FIO_TYPE_FILE) { |
| 644 | dprint(FD_FILE, "free unlink %s\n", f->file_name); |
Jens Axboe | 132ad46 | 2006-11-23 12:23:12 +0100 | [diff] [blame] | 645 | unlink(f->file_name); |
Jens Axboe | ffdfabd | 2008-03-26 09:18:14 +0100 | [diff] [blame] | 646 | } |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 647 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 648 | td_io_close_file(td, f); |
Jens Axboe | b3dc7f0 | 2007-03-09 12:52:15 +0100 | [diff] [blame] | 649 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 650 | sfree(f->file_name); |
Jens Axboe | fa1da86 | 2007-03-23 15:20:54 +0100 | [diff] [blame] | 651 | f->file_name = NULL; |
| 652 | |
Jens Axboe | c343981 | 2007-03-20 13:54:53 +0100 | [diff] [blame] | 653 | if (f->file_map) { |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 654 | sfree(f->file_map); |
Jens Axboe | c343981 | 2007-03-20 13:54:53 +0100 | [diff] [blame] | 655 | f->file_map = NULL; |
| 656 | } |
Jens Axboe | 78d99e6 | 2008-03-01 18:41:50 +0100 | [diff] [blame] | 657 | sfree(f); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 658 | } |
Jens Axboe | b4a6a59 | 2006-10-20 13:54:47 +0200 | [diff] [blame] | 659 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 660 | td->o.filename = NULL; |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 661 | free(td->files); |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 662 | td->files_index = 0; |
Jens Axboe | b4a6a59 | 2006-10-20 13:54:47 +0200 | [diff] [blame] | 663 | td->files = NULL; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 664 | td->o.nr_files = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 665 | } |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 666 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 667 | static void get_file_type(struct fio_file *f) |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 668 | { |
| 669 | struct stat sb; |
| 670 | |
Jens Axboe | 6615982 | 2007-04-16 21:54:24 +0200 | [diff] [blame] | 671 | if (!strcmp(f->file_name, "-")) |
| 672 | f->filetype = FIO_TYPE_PIPE; |
| 673 | else |
| 674 | f->filetype = FIO_TYPE_FILE; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 675 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 676 | if (!lstat(f->file_name, &sb)) { |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 677 | if (S_ISBLK(sb.st_mode)) |
| 678 | f->filetype = FIO_TYPE_BD; |
| 679 | else if (S_ISCHR(sb.st_mode)) |
| 680 | f->filetype = FIO_TYPE_CHAR; |
Jens Axboe | b5605e9 | 2007-04-16 20:42:33 +0200 | [diff] [blame] | 681 | else if (S_ISFIFO(sb.st_mode)) |
| 682 | f->filetype = FIO_TYPE_PIPE; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 683 | } |
| 684 | } |
| 685 | |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 686 | int add_file(struct thread_data *td, const char *fname) |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 687 | { |
Jens Axboe | 7b4e4fe | 2007-03-13 12:51:40 +0100 | [diff] [blame] | 688 | int cur_files = td->files_index; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 689 | char file_name[PATH_MAX]; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 690 | struct fio_file *f; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 691 | int len = 0; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 692 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 693 | dprint(FD_FILE, "add file %s\n", fname); |
| 694 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 695 | f = smalloc(sizeof(*f)); |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 696 | f->fd = -1; |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 697 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 698 | 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] | 699 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 700 | td->files = realloc(td->files, (cur_files + 1) * sizeof(f)); |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 701 | td->files[cur_files] = f; |
| 702 | |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 703 | /* |
| 704 | * init function, io engine may not be loaded yet |
| 705 | */ |
| 706 | if (td->io_ops && (td->io_ops->flags & FIO_DISKLESSIO)) |
| 707 | f->real_file_size = -1ULL; |
| 708 | |
Jens Axboe | bd0ee74 | 2007-03-23 14:26:23 +0100 | [diff] [blame] | 709 | if (td->o.directory) |
| 710 | len = sprintf(file_name, "%s/", td->o.directory); |
| 711 | |
| 712 | sprintf(file_name + len, "%s", fname); |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 713 | f->file_name = smalloc_strdup(file_name); |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 714 | |
Jens Axboe | e3bab46 | 2007-03-13 11:22:09 +0100 | [diff] [blame] | 715 | get_file_type(f); |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 716 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 717 | switch (td->o.file_lock_mode) { |
| 718 | case FILE_LOCK_NONE: |
| 719 | break; |
| 720 | case FILE_LOCK_READWRITE: |
| 721 | f->lock = fio_mutex_rw_init(); |
| 722 | break; |
| 723 | case FILE_LOCK_EXCLUSIVE: |
| 724 | f->lock = fio_mutex_init(1); |
| 725 | break; |
| 726 | default: |
| 727 | log_err("fio: unknown lock mode: %d\n", td->o.file_lock_mode); |
| 728 | assert(0); |
| 729 | } |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 730 | |
Jens Axboe | 7b4e4fe | 2007-03-13 12:51:40 +0100 | [diff] [blame] | 731 | td->files_index++; |
Jens Axboe | 1549441 | 2007-03-13 11:52:47 +0100 | [diff] [blame] | 732 | if (f->filetype == FIO_TYPE_FILE) |
| 733 | td->nr_normal_files++; |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 734 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 735 | dprint(FD_FILE, "file %p \"%s\" added at %d\n", f, f->file_name, |
| 736 | cur_files); |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 737 | |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 738 | return cur_files; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 739 | } |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 740 | |
| 741 | void get_file(struct fio_file *f) |
| 742 | { |
Jens Axboe | 8172fe9 | 2008-02-01 21:51:02 +0100 | [diff] [blame] | 743 | 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] | 744 | assert(f->flags & FIO_FILE_OPEN); |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 745 | f->references++; |
| 746 | } |
| 747 | |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 748 | int put_file(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 749 | { |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 750 | int f_ret = 0, ret = 0; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 751 | |
Jens Axboe | 8172fe9 | 2008-02-01 21:51:02 +0100 | [diff] [blame] | 752 | 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] | 753 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 754 | if (!(f->flags & FIO_FILE_OPEN)) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 755 | return 0; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 756 | |
| 757 | assert(f->references); |
| 758 | if (--f->references) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 759 | return 0; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 760 | |
Jens Axboe | d424d4d | 2007-04-17 09:05:10 +0200 | [diff] [blame] | 761 | if (should_fsync(td) && td->o.fsync_on_close) |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 762 | f_ret = fsync(f->fd); |
Jens Axboe | ebb1415 | 2007-03-13 14:42:15 +0100 | [diff] [blame] | 763 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 764 | if (td->io_ops->close_file) |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 765 | ret = td->io_ops->close_file(td, f); |
Jens Axboe | 1020a13 | 2007-03-29 11:15:06 +0200 | [diff] [blame] | 766 | |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 767 | if (!ret) |
Jens Axboe | a5fb461 | 2008-05-28 10:54:01 +0200 | [diff] [blame^] | 768 | ret = f_ret; |
Jens Axboe | 98e1ac4 | 2008-03-06 11:56:48 +0100 | [diff] [blame] | 769 | |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 770 | td->nr_open_files--; |
| 771 | f->flags &= ~FIO_FILE_OPEN; |
Jens Axboe | 6977bcd | 2008-03-01 15:55:36 +0100 | [diff] [blame] | 772 | return ret; |
Jens Axboe | 0ad920e | 2007-03-13 11:06:45 +0100 | [diff] [blame] | 773 | } |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 774 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 775 | 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] | 776 | { |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 777 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
| 778 | return; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 779 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 780 | if (f->lock_owner == td && f->lock_batch--) |
| 781 | return; |
| 782 | |
| 783 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
| 784 | if (ddir == DDIR_READ) |
| 785 | fio_mutex_down_read(f->lock); |
| 786 | else |
| 787 | fio_mutex_down_write(f->lock); |
| 788 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) |
| 789 | fio_mutex_down(f->lock); |
| 790 | |
| 791 | f->lock_owner = td; |
| 792 | f->lock_batch = td->o.lockfile_batch; |
| 793 | f->lock_ddir = ddir; |
| 794 | } |
| 795 | |
| 796 | void unlock_file(struct thread_data *td, struct fio_file *f) |
| 797 | { |
| 798 | if (!f->lock || td->o.file_lock_mode == FILE_LOCK_NONE) |
| 799 | return; |
| 800 | if (f->lock_batch) |
| 801 | return; |
| 802 | |
| 803 | if (td->o.file_lock_mode == FILE_LOCK_READWRITE) { |
| 804 | const int is_read = f->lock_ddir == DDIR_READ; |
| 805 | int val = fio_mutex_getval(f->lock); |
| 806 | |
| 807 | if ((is_read && val == 1) || (!is_read && val == -1)) |
| 808 | f->lock_owner = NULL; |
| 809 | |
| 810 | if (is_read) |
| 811 | fio_mutex_up_read(f->lock); |
| 812 | else |
| 813 | fio_mutex_up_write(f->lock); |
| 814 | } else if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE) { |
| 815 | int val = fio_mutex_getval(f->lock); |
| 816 | |
| 817 | if (val == 0) |
| 818 | f->lock_owner = NULL; |
| 819 | |
| 820 | fio_mutex_up(f->lock); |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 821 | } |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 822 | } |
| 823 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 824 | void unlock_file_all(struct thread_data *td, struct fio_file *f) |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 825 | { |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 826 | if (f->lock_owner != td) |
| 827 | return; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 828 | |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 829 | f->lock_batch = 0; |
| 830 | unlock_file(td, f); |
Jens Axboe | b2bd2bd | 2008-03-01 18:19:52 +0100 | [diff] [blame] | 831 | } |
| 832 | |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 833 | static int recurse_dir(struct thread_data *td, const char *dirname) |
| 834 | { |
| 835 | struct dirent *dir; |
| 836 | int ret = 0; |
| 837 | DIR *D; |
| 838 | |
| 839 | D = opendir(dirname); |
| 840 | if (!D) { |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 841 | char buf[FIO_VERROR_SIZE]; |
| 842 | |
| 843 | snprintf(buf, FIO_VERROR_SIZE - 1, "opendir(%s)", dirname); |
| 844 | td_verror(td, errno, buf); |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 845 | return 1; |
| 846 | } |
| 847 | |
| 848 | while ((dir = readdir(D)) != NULL) { |
| 849 | char full_path[PATH_MAX]; |
| 850 | struct stat sb; |
| 851 | |
Jens Axboe | e85b2b8 | 2007-03-14 09:39:06 +0100 | [diff] [blame] | 852 | if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")) |
| 853 | continue; |
Jens Axboe | 96d32d5 | 2007-03-14 09:16:09 +0100 | [diff] [blame] | 854 | |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 855 | sprintf(full_path, "%s/%s", dirname, dir->d_name); |
| 856 | |
| 857 | if (lstat(full_path, &sb) == -1) { |
| 858 | if (errno != ENOENT) { |
| 859 | td_verror(td, errno, "stat"); |
| 860 | return 1; |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | if (S_ISREG(sb.st_mode)) { |
| 865 | add_file(td, full_path); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 866 | td->o.nr_files++; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 867 | continue; |
| 868 | } |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 869 | if (!S_ISDIR(sb.st_mode)) |
| 870 | continue; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 871 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 872 | ret = recurse_dir(td, full_path); |
| 873 | if (ret) |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 874 | break; |
| 875 | } |
| 876 | |
| 877 | closedir(D); |
| 878 | return ret; |
| 879 | } |
| 880 | |
| 881 | int add_dir_files(struct thread_data *td, const char *path) |
| 882 | { |
Jens Axboe | 0ddb270 | 2007-03-27 19:43:53 +0200 | [diff] [blame] | 883 | int ret = recurse_dir(td, path); |
| 884 | |
| 885 | if (!ret) |
| 886 | log_info("fio: opendir added %d files\n", td->o.nr_files); |
| 887 | |
| 888 | return ret; |
Jens Axboe | bbf6b54 | 2007-03-13 15:28:55 +0100 | [diff] [blame] | 889 | } |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 890 | |
| 891 | void dup_files(struct thread_data *td, struct thread_data *org) |
| 892 | { |
| 893 | struct fio_file *f; |
| 894 | unsigned int i; |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 895 | |
| 896 | dprint(FD_FILE, "dup files: %d\n", org->files_index); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 897 | |
| 898 | if (!org->files) |
| 899 | return; |
| 900 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 901 | td->files = malloc(org->files_index * sizeof(f)); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 902 | |
Jens Axboe | 9efef3c | 2008-03-06 10:26:25 +0100 | [diff] [blame] | 903 | for_each_file(org, f, i) { |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 904 | struct fio_file *__f; |
| 905 | |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 906 | __f = smalloc(sizeof(*__f)); |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 907 | |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 908 | if (f->file_name) |
Jens Axboe | f17c439 | 2008-03-01 18:40:46 +0100 | [diff] [blame] | 909 | __f->file_name = smalloc_strdup(f->file_name); |
Jens Axboe | b0fe421 | 2008-03-01 18:22:27 +0100 | [diff] [blame] | 910 | |
| 911 | td->files[i] = __f; |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 912 | } |
| 913 | } |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 914 | |
| 915 | /* |
| 916 | * Returns the index that matches the filename, or -1 if not there |
| 917 | */ |
| 918 | int get_fileno(struct thread_data *td, const char *fname) |
| 919 | { |
| 920 | struct fio_file *f; |
| 921 | unsigned int i; |
| 922 | |
| 923 | for_each_file(td, f, i) |
| 924 | if (!strcmp(f->file_name, fname)) |
| 925 | return i; |
| 926 | |
| 927 | return -1; |
| 928 | } |
| 929 | |
| 930 | /* |
| 931 | * For log usage, where we add/open/close files automatically |
| 932 | */ |
| 933 | void free_release_files(struct thread_data *td) |
| 934 | { |
| 935 | close_files(td); |
| 936 | td->files_index = 0; |
| 937 | td->nr_normal_files = 0; |
| 938 | } |