| 1 | /* |
| 2 | * glusterfs engine |
| 3 | * |
| 4 | * common Glusterfs's gfapi interface |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #include "gfapi.h" |
| 9 | #include "../optgroup.h" |
| 10 | |
| 11 | struct fio_option gfapi_options[] = { |
| 12 | { |
| 13 | .name = "volume", |
| 14 | .lname = "Glusterfs volume", |
| 15 | .type = FIO_OPT_STR_STORE, |
| 16 | .help = "Name of the Glusterfs volume", |
| 17 | .off1 = offsetof(struct gf_options, gf_vol), |
| 18 | .category = FIO_OPT_C_ENGINE, |
| 19 | .group = FIO_OPT_G_GFAPI, |
| 20 | }, |
| 21 | { |
| 22 | .name = "brick", |
| 23 | .lname = "Glusterfs brick name", |
| 24 | .type = FIO_OPT_STR_STORE, |
| 25 | .help = "Name of the Glusterfs brick to connect", |
| 26 | .off1 = offsetof(struct gf_options, gf_brick), |
| 27 | .category = FIO_OPT_C_ENGINE, |
| 28 | .group = FIO_OPT_G_GFAPI, |
| 29 | }, |
| 30 | { |
| 31 | .name = NULL, |
| 32 | }, |
| 33 | }; |
| 34 | |
| 35 | int fio_gf_setup(struct thread_data *td) |
| 36 | { |
| 37 | int r = 0; |
| 38 | struct gf_data *g = NULL; |
| 39 | struct gf_options *opt = td->eo; |
| 40 | struct stat sb = { 0, }; |
| 41 | |
| 42 | dprint(FD_IO, "fio setup\n"); |
| 43 | |
| 44 | if (td->io_ops->data) |
| 45 | return 0; |
| 46 | |
| 47 | g = malloc(sizeof(struct gf_data)); |
| 48 | if (!g) { |
| 49 | log_err("malloc failed.\n"); |
| 50 | return -ENOMEM; |
| 51 | } |
| 52 | g->fs = NULL; |
| 53 | g->fd = NULL; |
| 54 | g->aio_events = NULL; |
| 55 | |
| 56 | g->fs = glfs_new(opt->gf_vol); |
| 57 | if (!g->fs) { |
| 58 | log_err("glfs_new failed.\n"); |
| 59 | goto cleanup; |
| 60 | } |
| 61 | glfs_set_logging(g->fs, "/tmp/fio_gfapi.log", 7); |
| 62 | /* default to tcp */ |
| 63 | r = glfs_set_volfile_server(g->fs, "tcp", opt->gf_brick, 0); |
| 64 | if (r) { |
| 65 | log_err("glfs_set_volfile_server failed.\n"); |
| 66 | goto cleanup; |
| 67 | } |
| 68 | r = glfs_init(g->fs); |
| 69 | if (r) { |
| 70 | log_err("glfs_init failed. Is glusterd running on brick?\n"); |
| 71 | goto cleanup; |
| 72 | } |
| 73 | sleep(2); |
| 74 | r = glfs_lstat(g->fs, ".", &sb); |
| 75 | if (r) { |
| 76 | log_err("glfs_lstat failed.\n"); |
| 77 | goto cleanup; |
| 78 | } |
| 79 | dprint(FD_FILE, "fio setup %p\n", g->fs); |
| 80 | td->io_ops->data = g; |
| 81 | return 0; |
| 82 | cleanup: |
| 83 | if (g->fs) |
| 84 | glfs_fini(g->fs); |
| 85 | free(g); |
| 86 | td->io_ops->data = NULL; |
| 87 | return r; |
| 88 | } |
| 89 | |
| 90 | void fio_gf_cleanup(struct thread_data *td) |
| 91 | { |
| 92 | struct gf_data *g = td->io_ops->data; |
| 93 | |
| 94 | if (g) { |
| 95 | if (g->aio_events) |
| 96 | free(g->aio_events); |
| 97 | if (g->fd) |
| 98 | glfs_close(g->fd); |
| 99 | if (g->fs) |
| 100 | glfs_fini(g->fs); |
| 101 | free(g); |
| 102 | td->io_ops->data = NULL; |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | int fio_gf_get_file_size(struct thread_data *td, struct fio_file *f) |
| 107 | { |
| 108 | struct stat buf; |
| 109 | int ret; |
| 110 | struct gf_data *g = td->io_ops->data; |
| 111 | |
| 112 | dprint(FD_FILE, "get file size %s\n", f->file_name); |
| 113 | |
| 114 | if (!g || !g->fs) { |
| 115 | return 0; |
| 116 | } |
| 117 | if (fio_file_size_known(f)) |
| 118 | return 0; |
| 119 | |
| 120 | ret = glfs_lstat(g->fs, f->file_name, &buf); |
| 121 | if (ret < 0) { |
| 122 | log_err("glfs_lstat failed.\n"); |
| 123 | return ret; |
| 124 | } |
| 125 | |
| 126 | f->real_file_size = buf.st_size; |
| 127 | fio_file_set_size_known(f); |
| 128 | |
| 129 | return 0; |
| 130 | |
| 131 | } |
| 132 | |
| 133 | int fio_gf_open_file(struct thread_data *td, struct fio_file *f) |
| 134 | { |
| 135 | |
| 136 | int flags = 0; |
| 137 | int ret = 0; |
| 138 | struct gf_data *g = td->io_ops->data; |
| 139 | struct stat sb = { 0, }; |
| 140 | |
| 141 | if (td_write(td)) { |
| 142 | if (!read_only) |
| 143 | flags = O_RDWR; |
| 144 | } else if (td_read(td)) { |
| 145 | if (!read_only) |
| 146 | flags = O_RDWR; |
| 147 | else |
| 148 | flags = O_RDONLY; |
| 149 | } |
| 150 | |
| 151 | if (td->o.odirect) |
| 152 | flags |= OS_O_DIRECT; |
| 153 | if (td->o.sync_io) |
| 154 | flags |= O_SYNC; |
| 155 | |
| 156 | dprint(FD_FILE, "fio file %s open mode %s td rw %s\n", f->file_name, |
| 157 | flags & O_RDONLY ? "ro" : "rw", td_read(td) ? "read" : "write"); |
| 158 | g->fd = glfs_creat(g->fs, f->file_name, flags, 0644); |
| 159 | if (!g->fd) { |
| 160 | ret = errno; |
| 161 | log_err("glfs_creat failed.\n"); |
| 162 | return ret; |
| 163 | } |
| 164 | /* file for read doesn't exist or shorter than required, create/extend it */ |
| 165 | if (td_read(td)) { |
| 166 | if (glfs_lstat(g->fs, f->file_name, &sb) |
| 167 | || sb.st_size < f->real_file_size) { |
| 168 | dprint(FD_FILE, "fio extend file %s from %ld to %ld\n", |
| 169 | f->file_name, sb.st_size, f->real_file_size); |
| 170 | ret = glfs_ftruncate(g->fd, f->real_file_size); |
| 171 | if (ret) { |
| 172 | log_err("failed fio extend file %s to %ld\n", |
| 173 | f->file_name, f->real_file_size); |
| 174 | } else { |
| 175 | unsigned long long left; |
| 176 | unsigned int bs; |
| 177 | char *b; |
| 178 | int r; |
| 179 | |
| 180 | /* fill the file, copied from extend_file */ |
| 181 | b = malloc(td->o.max_bs[DDIR_WRITE]); |
| 182 | |
| 183 | left = f->real_file_size; |
| 184 | while (left && !td->terminate) { |
| 185 | bs = td->o.max_bs[DDIR_WRITE]; |
| 186 | if (bs > left) |
| 187 | bs = left; |
| 188 | |
| 189 | fill_io_buffer(td, b, bs, bs); |
| 190 | |
| 191 | r = glfs_write(g->fd, b, bs, 0); |
| 192 | dprint(FD_IO, |
| 193 | "fio write %d of %ld file %s\n", |
| 194 | r, f->real_file_size, |
| 195 | f->file_name); |
| 196 | |
| 197 | if (r > 0) { |
| 198 | left -= r; |
| 199 | continue; |
| 200 | } else { |
| 201 | if (r < 0) { |
| 202 | int __e = errno; |
| 203 | |
| 204 | if (__e == ENOSPC) { |
| 205 | if (td->o. |
| 206 | fill_device) |
| 207 | break; |
| 208 | log_info |
| 209 | ("fio: ENOSPC on laying out " |
| 210 | "file, stopping\n"); |
| 211 | break; |
| 212 | } |
| 213 | td_verror(td, errno, |
| 214 | "write"); |
| 215 | } else |
| 216 | td_verror(td, EIO, |
| 217 | "write"); |
| 218 | |
| 219 | break; |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | if (b) |
| 224 | free(b); |
| 225 | glfs_lseek(g->fd, 0, SEEK_SET); |
| 226 | |
| 227 | if (td->terminate && td->o.unlink) { |
| 228 | dprint(FD_FILE, "terminate unlink %s\n", |
| 229 | f->file_name); |
| 230 | glfs_unlink(g->fs, f->file_name); |
| 231 | } else if (td->o.create_fsync) { |
| 232 | if (glfs_fsync(g->fd) < 0) { |
| 233 | dprint(FD_FILE, |
| 234 | "failed to sync, close %s\n", |
| 235 | f->file_name); |
| 236 | td_verror(td, errno, "fsync"); |
| 237 | glfs_close(g->fd); |
| 238 | g->fd = NULL; |
| 239 | return 1; |
| 240 | } |
| 241 | } |
| 242 | } |
| 243 | } |
| 244 | } |
| 245 | #if defined(GFAPI_USE_FADVISE) |
| 246 | { |
| 247 | int r = 0; |
| 248 | if (td_random(td)) { |
| 249 | r = glfs_fadvise(g->fd, 0, f->real_file_size, |
| 250 | POSIX_FADV_RANDOM); |
| 251 | } else { |
| 252 | r = glfs_fadvise(g->fd, 0, f->real_file_size, |
| 253 | POSIX_FADV_SEQUENTIAL); |
| 254 | } |
| 255 | if (r) { |
| 256 | dprint(FD_FILE, "fio %p fadvise %s status %d\n", g->fs, |
| 257 | f->file_name, r); |
| 258 | } |
| 259 | } |
| 260 | #endif |
| 261 | dprint(FD_FILE, "fio %p created %s\n", g->fs, f->file_name); |
| 262 | f->fd = -1; |
| 263 | f->shadow_fd = -1; |
| 264 | td->o.open_files ++; |
| 265 | return ret; |
| 266 | } |
| 267 | |
| 268 | int fio_gf_close_file(struct thread_data *td, struct fio_file *f) |
| 269 | { |
| 270 | int ret = 0; |
| 271 | struct gf_data *g = td->io_ops->data; |
| 272 | |
| 273 | dprint(FD_FILE, "fd close %s\n", f->file_name); |
| 274 | |
| 275 | if (g) { |
| 276 | if (g->fd && glfs_close(g->fd) < 0) |
| 277 | ret = errno; |
| 278 | g->fd = NULL; |
| 279 | } |
| 280 | |
| 281 | return ret; |
| 282 | } |
| 283 | |
| 284 | int fio_gf_unlink_file(struct thread_data *td, struct fio_file *f) |
| 285 | { |
| 286 | int ret = 0; |
| 287 | struct gf_data *g = td->io_ops->data; |
| 288 | |
| 289 | dprint(FD_FILE, "fd unlink %s\n", f->file_name); |
| 290 | |
| 291 | if (g) { |
| 292 | if (g->fd && glfs_close(g->fd) < 0) |
| 293 | ret = errno; |
| 294 | |
| 295 | glfs_unlink(g->fs, f->file_name); |
| 296 | |
| 297 | if (g->fs) |
| 298 | glfs_fini(g->fs); |
| 299 | |
| 300 | g->fd = NULL; |
| 301 | free(g); |
| 302 | } |
| 303 | td->io_ops->data = NULL; |
| 304 | |
| 305 | return ret; |
| 306 | } |