Commit | Line | Data |
---|---|---|
fc5c0345 DG |
1 | /* |
2 | * rbd engine | |
3 | * | |
4 | * IO engine using Ceph's librbd to test RADOS Block Devices. | |
5 | * | |
6 | */ | |
7 | ||
8 | #include <rbd/librbd.h> | |
9 | ||
10 | #include "../fio.h" | |
d220c761 | 11 | #include "../optgroup.h" |
a4c4c346 | 12 | #ifdef CONFIG_RBD_BLKIN |
13 | #include <zipkin_c.h> | |
14 | #endif | |
fc5c0345 DG |
15 | |
16 | struct fio_rbd_iou { | |
17 | struct io_u *io_u; | |
d8b64af2 | 18 | rbd_completion_t completion; |
d8b64af2 | 19 | int io_seen; |
b8ecbef6 | 20 | int io_complete; |
550beaad | 21 | #ifdef CONFIG_RBD_BLKIN |
a4c4c346 | 22 | struct blkin_trace_info info; |
550beaad | 23 | #endif |
fc5c0345 DG |
24 | }; |
25 | ||
26 | struct rbd_data { | |
27 | rados_t cluster; | |
28 | rados_ioctx_t io_ctx; | |
29 | rbd_image_t image; | |
30 | struct io_u **aio_events; | |
6f9961ac | 31 | struct io_u **sort_events; |
fc5c0345 DG |
32 | }; |
33 | ||
34 | struct rbd_options { | |
a1f871c7 | 35 | void *pad; |
6e20c6e7 | 36 | char *cluster_name; |
fc5c0345 DG |
37 | char *rbd_name; |
38 | char *pool_name; | |
39 | char *client_name; | |
d7d702c7 | 40 | int busy_poll; |
fc5c0345 DG |
41 | }; |
42 | ||
43 | static struct fio_option options[] = { | |
6e20c6e7 T |
44 | { |
45 | .name = "clustername", | |
46 | .lname = "ceph cluster name", | |
47 | .type = FIO_OPT_STR_STORE, | |
48 | .help = "Cluster name for ceph", | |
49 | .off1 = offsetof(struct rbd_options, cluster_name), | |
50 | .category = FIO_OPT_C_ENGINE, | |
51 | .group = FIO_OPT_G_RBD, | |
52 | }, | |
fc5c0345 | 53 | { |
d8b64af2 JA |
54 | .name = "rbdname", |
55 | .lname = "rbd engine rbdname", | |
56 | .type = FIO_OPT_STR_STORE, | |
57 | .help = "RBD name for RBD engine", | |
58 | .off1 = offsetof(struct rbd_options, rbd_name), | |
59 | .category = FIO_OPT_C_ENGINE, | |
60 | .group = FIO_OPT_G_RBD, | |
61 | }, | |
fc5c0345 | 62 | { |
d7d702c7 JA |
63 | .name = "pool", |
64 | .lname = "rbd engine pool", | |
65 | .type = FIO_OPT_STR_STORE, | |
66 | .help = "Name of the pool hosting the RBD for the RBD engine", | |
67 | .off1 = offsetof(struct rbd_options, pool_name), | |
68 | .category = FIO_OPT_C_ENGINE, | |
69 | .group = FIO_OPT_G_RBD, | |
d8b64af2 | 70 | }, |
fc5c0345 | 71 | { |
d7d702c7 JA |
72 | .name = "clientname", |
73 | .lname = "rbd engine clientname", | |
74 | .type = FIO_OPT_STR_STORE, | |
75 | .help = "Name of the ceph client to access the RBD for the RBD engine", | |
76 | .off1 = offsetof(struct rbd_options, client_name), | |
77 | .category = FIO_OPT_C_ENGINE, | |
78 | .group = FIO_OPT_G_RBD, | |
79 | }, | |
80 | { | |
81 | .name = "busy_poll", | |
82 | .lname = "Busy poll", | |
83 | .type = FIO_OPT_BOOL, | |
84 | .help = "Busy poll for completions instead of sleeping", | |
fea585d4 | 85 | .off1 = offsetof(struct rbd_options, busy_poll), |
d7d702c7 JA |
86 | .def = "0", |
87 | .category = FIO_OPT_C_ENGINE, | |
88 | .group = FIO_OPT_G_RBD, | |
d8b64af2 | 89 | }, |
fc5c0345 | 90 | { |
d8b64af2 JA |
91 | .name = NULL, |
92 | }, | |
fc5c0345 DG |
93 | }; |
94 | ||
95 | static int _fio_setup_rbd_data(struct thread_data *td, | |
96 | struct rbd_data **rbd_data_ptr) | |
97 | { | |
6f9961ac | 98 | struct rbd_data *rbd; |
fc5c0345 | 99 | |
565e784d | 100 | if (td->io_ops_data) |
fc5c0345 DG |
101 | return 0; |
102 | ||
6f9961ac JA |
103 | rbd = calloc(1, sizeof(struct rbd_data)); |
104 | if (!rbd) | |
fc5c0345 DG |
105 | goto failed; |
106 | ||
6f9961ac JA |
107 | rbd->aio_events = calloc(td->o.iodepth, sizeof(struct io_u *)); |
108 | if (!rbd->aio_events) | |
fc5c0345 DG |
109 | goto failed; |
110 | ||
6f9961ac JA |
111 | rbd->sort_events = calloc(td->o.iodepth, sizeof(struct io_u *)); |
112 | if (!rbd->sort_events) | |
113 | goto failed; | |
fc5c0345 | 114 | |
6f9961ac | 115 | *rbd_data_ptr = rbd; |
fc5c0345 DG |
116 | return 0; |
117 | ||
118 | failed: | |
5a4adfd2 JQ |
119 | if (rbd) { |
120 | if (rbd->aio_events) | |
121 | free(rbd->aio_events); | |
122 | if (rbd->sort_events) | |
123 | free(rbd->sort_events); | |
6f9961ac | 124 | free(rbd); |
5a4adfd2 | 125 | } |
fc5c0345 DG |
126 | return 1; |
127 | ||
128 | } | |
129 | ||
130 | static int _fio_rbd_connect(struct thread_data *td) | |
131 | { | |
565e784d | 132 | struct rbd_data *rbd = td->io_ops_data; |
fc5c0345 DG |
133 | struct rbd_options *o = td->eo; |
134 | int r; | |
135 | ||
6e20c6e7 T |
136 | if (o->cluster_name) { |
137 | char *client_name = NULL; | |
138 | ||
139 | /* | |
89e5ec96 | 140 | * If we specify cluser name, the rados_create2 |
6e20c6e7 T |
141 | * will not assume 'client.'. name is considered |
142 | * as a full type.id namestr | |
143 | */ | |
89e5ec96 JQ |
144 | if (o->client_name) { |
145 | if (!index(o->client_name, '.')) { | |
146 | client_name = calloc(1, strlen("client.") + | |
147 | strlen(o->client_name) + 1); | |
148 | strcat(client_name, "client."); | |
6ec0dcd1 JQ |
149 | strcat(client_name, o->client_name); |
150 | } else { | |
151 | client_name = o->client_name; | |
89e5ec96 | 152 | } |
6e20c6e7 | 153 | } |
6ec0dcd1 | 154 | |
6e20c6e7 | 155 | r = rados_create2(&rbd->cluster, o->cluster_name, |
6ec0dcd1 JQ |
156 | client_name, 0); |
157 | ||
158 | if (client_name && !index(o->client_name, '.')) | |
159 | free(client_name); | |
6e20c6e7 T |
160 | } else |
161 | r = rados_create(&rbd->cluster, o->client_name); | |
162 | ||
fc5c0345 DG |
163 | if (r < 0) { |
164 | log_err("rados_create failed.\n"); | |
165 | goto failed_early; | |
166 | } | |
167 | ||
6f9961ac | 168 | r = rados_conf_read_file(rbd->cluster, NULL); |
fc5c0345 DG |
169 | if (r < 0) { |
170 | log_err("rados_conf_read_file failed.\n"); | |
171 | goto failed_early; | |
172 | } | |
173 | ||
6f9961ac | 174 | r = rados_connect(rbd->cluster); |
fc5c0345 DG |
175 | if (r < 0) { |
176 | log_err("rados_connect failed.\n"); | |
177 | goto failed_shutdown; | |
178 | } | |
179 | ||
6f9961ac | 180 | r = rados_ioctx_create(rbd->cluster, o->pool_name, &rbd->io_ctx); |
fc5c0345 DG |
181 | if (r < 0) { |
182 | log_err("rados_ioctx_create failed.\n"); | |
183 | goto failed_shutdown; | |
184 | } | |
185 | ||
6f9961ac | 186 | r = rbd_open(rbd->io_ctx, o->rbd_name, &rbd->image, NULL /*snap */ ); |
fc5c0345 DG |
187 | if (r < 0) { |
188 | log_err("rbd_open failed.\n"); | |
189 | goto failed_open; | |
190 | } | |
191 | return 0; | |
192 | ||
193 | failed_open: | |
6f9961ac JA |
194 | rados_ioctx_destroy(rbd->io_ctx); |
195 | rbd->io_ctx = NULL; | |
fc5c0345 | 196 | failed_shutdown: |
6f9961ac JA |
197 | rados_shutdown(rbd->cluster); |
198 | rbd->cluster = NULL; | |
fc5c0345 DG |
199 | failed_early: |
200 | return 1; | |
201 | } | |
202 | ||
6f9961ac | 203 | static void _fio_rbd_disconnect(struct rbd_data *rbd) |
fc5c0345 | 204 | { |
6f9961ac | 205 | if (!rbd) |
fc5c0345 DG |
206 | return; |
207 | ||
208 | /* shutdown everything */ | |
6f9961ac JA |
209 | if (rbd->image) { |
210 | rbd_close(rbd->image); | |
211 | rbd->image = NULL; | |
fc5c0345 DG |
212 | } |
213 | ||
6f9961ac JA |
214 | if (rbd->io_ctx) { |
215 | rados_ioctx_destroy(rbd->io_ctx); | |
216 | rbd->io_ctx = NULL; | |
fc5c0345 DG |
217 | } |
218 | ||
6f9961ac JA |
219 | if (rbd->cluster) { |
220 | rados_shutdown(rbd->cluster); | |
221 | rbd->cluster = NULL; | |
fc5c0345 DG |
222 | } |
223 | } | |
224 | ||
d8b64af2 | 225 | static void _fio_rbd_finish_aiocb(rbd_completion_t comp, void *data) |
fc5c0345 | 226 | { |
dbf388d2 JA |
227 | struct fio_rbd_iou *fri = data; |
228 | struct io_u *io_u = fri->io_u; | |
d8b64af2 | 229 | ssize_t ret; |
fc5c0345 | 230 | |
d8b64af2 JA |
231 | /* |
232 | * Looks like return value is 0 for success, or < 0 for | |
233 | * a specific error. So we have to assume that it can't do | |
234 | * partial completions. | |
235 | */ | |
236 | ret = rbd_aio_get_return_value(fri->completion); | |
237 | if (ret < 0) { | |
238 | io_u->error = ret; | |
239 | io_u->resid = io_u->xfer_buflen; | |
240 | } else | |
241 | io_u->error = 0; | |
20cf5aab JD |
242 | |
243 | fri->io_complete = 1; | |
d8b64af2 | 244 | } |
fc5c0345 | 245 | |
d8b64af2 JA |
246 | static struct io_u *fio_rbd_event(struct thread_data *td, int event) |
247 | { | |
565e784d | 248 | struct rbd_data *rbd = td->io_ops_data; |
fc5c0345 | 249 | |
6f9961ac | 250 | return rbd->aio_events[event]; |
fc5c0345 DG |
251 | } |
252 | ||
6f9961ac | 253 | static inline int fri_check_complete(struct rbd_data *rbd, struct io_u *io_u, |
d8b64af2 | 254 | unsigned int *events) |
fc5c0345 | 255 | { |
d8b64af2 | 256 | struct fio_rbd_iou *fri = io_u->engine_data; |
fc5c0345 | 257 | |
b8ecbef6 | 258 | if (fri->io_complete) { |
d8b64af2 | 259 | fri->io_seen = 1; |
6f9961ac | 260 | rbd->aio_events[*events] = io_u; |
d8b64af2 | 261 | (*events)++; |
fc5c0345 | 262 | |
d8b64af2 JA |
263 | rbd_aio_release(fri->completion); |
264 | return 1; | |
265 | } | |
fc5c0345 | 266 | |
d8b64af2 | 267 | return 0; |
fc5c0345 DG |
268 | } |
269 | ||
6f9961ac JA |
270 | static inline int rbd_io_u_seen(struct io_u *io_u) |
271 | { | |
272 | struct fio_rbd_iou *fri = io_u->engine_data; | |
273 | ||
274 | return fri->io_seen; | |
275 | } | |
276 | ||
277 | static void rbd_io_u_wait_complete(struct io_u *io_u) | |
278 | { | |
279 | struct fio_rbd_iou *fri = io_u->engine_data; | |
280 | ||
281 | rbd_aio_wait_for_complete(fri->completion); | |
282 | } | |
283 | ||
284 | static int rbd_io_u_cmp(const void *p1, const void *p2) | |
285 | { | |
286 | const struct io_u **a = (const struct io_u **) p1; | |
287 | const struct io_u **b = (const struct io_u **) p2; | |
288 | uint64_t at, bt; | |
289 | ||
290 | at = utime_since_now(&(*a)->start_time); | |
291 | bt = utime_since_now(&(*b)->start_time); | |
292 | ||
293 | if (at < bt) | |
294 | return -1; | |
295 | else if (at == bt) | |
296 | return 0; | |
297 | else | |
298 | return 1; | |
299 | } | |
300 | ||
d8b64af2 JA |
301 | static int rbd_iter_events(struct thread_data *td, unsigned int *events, |
302 | unsigned int min_evts, int wait) | |
82340a9f | 303 | { |
565e784d | 304 | struct rbd_data *rbd = td->io_ops_data; |
d8b64af2 JA |
305 | unsigned int this_events = 0; |
306 | struct io_u *io_u; | |
6f9961ac | 307 | int i, sidx; |
82340a9f | 308 | |
6f9961ac | 309 | sidx = 0; |
d8b64af2 | 310 | io_u_qiter(&td->io_u_all, io_u, i) { |
d8b64af2 JA |
311 | if (!(io_u->flags & IO_U_F_FLIGHT)) |
312 | continue; | |
6f9961ac | 313 | if (rbd_io_u_seen(io_u)) |
d8b64af2 | 314 | continue; |
82340a9f | 315 | |
6f9961ac | 316 | if (fri_check_complete(rbd, io_u, events)) |
d8b64af2 | 317 | this_events++; |
6f9961ac JA |
318 | else if (wait) |
319 | rbd->sort_events[sidx++] = io_u; | |
320 | } | |
82340a9f | 321 | |
6f9961ac JA |
322 | if (!wait || !sidx) |
323 | return this_events; | |
324 | ||
325 | /* | |
326 | * Sort events, oldest issue first, then wait on as many as we | |
327 | * need in order of age. If we have enough events, stop waiting, | |
328 | * and just check if any of the older ones are done. | |
329 | */ | |
330 | if (sidx > 1) | |
331 | qsort(rbd->sort_events, sidx, sizeof(struct io_u *), rbd_io_u_cmp); | |
332 | ||
333 | for (i = 0; i < sidx; i++) { | |
334 | io_u = rbd->sort_events[i]; | |
335 | ||
336 | if (fri_check_complete(rbd, io_u, events)) { | |
337 | this_events++; | |
338 | continue; | |
d8b64af2 | 339 | } |
6f9961ac JA |
340 | |
341 | /* | |
342 | * Stop waiting when we have enough, but continue checking | |
343 | * all pending IOs if they are complete. | |
344 | */ | |
d8b64af2 | 345 | if (*events >= min_evts) |
6f9961ac JA |
346 | continue; |
347 | ||
348 | rbd_io_u_wait_complete(io_u); | |
349 | ||
350 | if (fri_check_complete(rbd, io_u, events)) | |
351 | this_events++; | |
d8b64af2 | 352 | } |
fc5c0345 | 353 | |
d8b64af2 | 354 | return this_events; |
fc5c0345 DG |
355 | } |
356 | ||
357 | static int fio_rbd_getevents(struct thread_data *td, unsigned int min, | |
1f440ece | 358 | unsigned int max, const struct timespec *t) |
fc5c0345 | 359 | { |
d8b64af2 | 360 | unsigned int this_events, events = 0; |
d7d702c7 | 361 | struct rbd_options *o = td->eo; |
d8b64af2 | 362 | int wait = 0; |
fc5c0345 DG |
363 | |
364 | do { | |
d8b64af2 | 365 | this_events = rbd_iter_events(td, &events, min, wait); |
fc5c0345 | 366 | |
d8b64af2 | 367 | if (events >= min) |
fc5c0345 | 368 | break; |
d8b64af2 JA |
369 | if (this_events) |
370 | continue; | |
fc5c0345 | 371 | |
d7d702c7 JA |
372 | if (!o->busy_poll) |
373 | wait = 1; | |
374 | else | |
375 | nop; | |
fc5c0345 DG |
376 | } while (1); |
377 | ||
378 | return events; | |
379 | } | |
380 | ||
381 | static int fio_rbd_queue(struct thread_data *td, struct io_u *io_u) | |
382 | { | |
565e784d | 383 | struct rbd_data *rbd = td->io_ops_data; |
d8b64af2 JA |
384 | struct fio_rbd_iou *fri = io_u->engine_data; |
385 | int r = -1; | |
fc5c0345 DG |
386 | |
387 | fio_ro_check(td, io_u); | |
388 | ||
d8b64af2 | 389 | fri->io_seen = 0; |
b8ecbef6 | 390 | fri->io_complete = 0; |
d8b64af2 | 391 | |
dbf388d2 | 392 | r = rbd_aio_create_completion(fri, _fio_rbd_finish_aiocb, |
d8b64af2 | 393 | &fri->completion); |
dbf388d2 JA |
394 | if (r < 0) { |
395 | log_err("rbd_aio_create_completion failed.\n"); | |
396 | goto failed; | |
397 | } | |
fc5c0345 | 398 | |
dbf388d2 | 399 | if (io_u->ddir == DDIR_WRITE) { |
a4c4c346 | 400 | #ifdef CONFIG_RBD_BLKIN |
401 | blkin_init_trace_info(&fri->info); | |
402 | r = rbd_aio_write_traced(rbd->image, io_u->offset, io_u->xfer_buflen, | |
403 | io_u->xfer_buf, fri->completion, &fri->info); | |
404 | #else | |
6f9961ac JA |
405 | r = rbd_aio_write(rbd->image, io_u->offset, io_u->xfer_buflen, |
406 | io_u->xfer_buf, fri->completion); | |
a4c4c346 | 407 | #endif |
fc5c0345 DG |
408 | if (r < 0) { |
409 | log_err("rbd_aio_write failed.\n"); | |
dbf388d2 | 410 | goto failed_comp; |
fc5c0345 DG |
411 | } |
412 | ||
413 | } else if (io_u->ddir == DDIR_READ) { | |
a4c4c346 | 414 | #ifdef CONFIG_RBD_BLKIN |
415 | blkin_init_trace_info(&fri->info); | |
416 | r = rbd_aio_read_traced(rbd->image, io_u->offset, io_u->xfer_buflen, | |
417 | io_u->xfer_buf, fri->completion, &fri->info); | |
418 | #else | |
6f9961ac JA |
419 | r = rbd_aio_read(rbd->image, io_u->offset, io_u->xfer_buflen, |
420 | io_u->xfer_buf, fri->completion); | |
a4c4c346 | 421 | #endif |
fc5c0345 DG |
422 | |
423 | if (r < 0) { | |
424 | log_err("rbd_aio_read failed.\n"); | |
dbf388d2 | 425 | goto failed_comp; |
fc5c0345 | 426 | } |
dbf388d2 | 427 | } else if (io_u->ddir == DDIR_TRIM) { |
6f9961ac JA |
428 | r = rbd_aio_discard(rbd->image, io_u->offset, |
429 | io_u->xfer_buflen, fri->completion); | |
82340a9f | 430 | if (r < 0) { |
dbf388d2 JA |
431 | log_err("rbd_aio_discard failed.\n"); |
432 | goto failed_comp; | |
82340a9f | 433 | } |
dbf388d2 | 434 | } else if (io_u->ddir == DDIR_SYNC) { |
6f9961ac | 435 | r = rbd_aio_flush(rbd->image, fri->completion); |
fc5c0345 DG |
436 | if (r < 0) { |
437 | log_err("rbd_flush failed.\n"); | |
dbf388d2 | 438 | goto failed_comp; |
fc5c0345 | 439 | } |
fc5c0345 DG |
440 | } else { |
441 | dprint(FD_IO, "%s: Warning: unhandled ddir: %d\n", __func__, | |
442 | io_u->ddir); | |
dbf388d2 | 443 | goto failed_comp; |
fc5c0345 DG |
444 | } |
445 | ||
446 | return FIO_Q_QUEUED; | |
dbf388d2 JA |
447 | failed_comp: |
448 | rbd_aio_release(fri->completion); | |
fc5c0345 DG |
449 | failed: |
450 | io_u->error = r; | |
451 | td_verror(td, io_u->error, "xfer"); | |
452 | return FIO_Q_COMPLETED; | |
453 | } | |
454 | ||
455 | static int fio_rbd_init(struct thread_data *td) | |
456 | { | |
457 | int r; | |
458 | ||
459 | r = _fio_rbd_connect(td); | |
460 | if (r) { | |
461 | log_err("fio_rbd_connect failed, return code: %d .\n", r); | |
462 | goto failed; | |
463 | } | |
464 | ||
465 | return 0; | |
466 | ||
467 | failed: | |
468 | return 1; | |
fc5c0345 DG |
469 | } |
470 | ||
471 | static void fio_rbd_cleanup(struct thread_data *td) | |
472 | { | |
565e784d | 473 | struct rbd_data *rbd = td->io_ops_data; |
fc5c0345 | 474 | |
6f9961ac JA |
475 | if (rbd) { |
476 | _fio_rbd_disconnect(rbd); | |
477 | free(rbd->aio_events); | |
478 | free(rbd->sort_events); | |
479 | free(rbd); | |
fc5c0345 | 480 | } |
fc5c0345 DG |
481 | } |
482 | ||
483 | static int fio_rbd_setup(struct thread_data *td) | |
484 | { | |
fc5c0345 DG |
485 | rbd_image_info_t info; |
486 | struct fio_file *f; | |
6f9961ac | 487 | struct rbd_data *rbd = NULL; |
fc5c0345 | 488 | int major, minor, extra; |
6f9961ac | 489 | int r; |
fc5c0345 DG |
490 | |
491 | /* log version of librbd. No cluster connection required. */ | |
492 | rbd_version(&major, &minor, &extra); | |
493 | log_info("rbd engine: RBD version: %d.%d.%d\n", major, minor, extra); | |
494 | ||
495 | /* allocate engine specific structure to deal with librbd. */ | |
6f9961ac | 496 | r = _fio_setup_rbd_data(td, &rbd); |
fc5c0345 DG |
497 | if (r) { |
498 | log_err("fio_setup_rbd_data failed.\n"); | |
499 | goto cleanup; | |
500 | } | |
565e784d | 501 | td->io_ops_data = rbd; |
fc5c0345 | 502 | |
d8b64af2 JA |
503 | /* librbd does not allow us to run first in the main thread and later |
504 | * in a fork child. It needs to be the same process context all the | |
505 | * time. | |
fc5c0345 DG |
506 | */ |
507 | td->o.use_thread = 1; | |
508 | ||
509 | /* connect in the main thread to determine to determine | |
510 | * the size of the given RADOS block device. And disconnect | |
511 | * later on. | |
512 | */ | |
513 | r = _fio_rbd_connect(td); | |
514 | if (r) { | |
515 | log_err("fio_rbd_connect failed.\n"); | |
516 | goto cleanup; | |
517 | } | |
518 | ||
519 | /* get size of the RADOS block device */ | |
6f9961ac | 520 | r = rbd_stat(rbd->image, &info, sizeof(info)); |
fc5c0345 DG |
521 | if (r < 0) { |
522 | log_err("rbd_status failed.\n"); | |
523 | goto disconnect; | |
524 | } | |
525 | dprint(FD_IO, "rbd-engine: image size: %lu\n", info.size); | |
526 | ||
527 | /* taken from "net" engine. Pretend we deal with files, | |
528 | * even if we do not have any ideas about files. | |
529 | * The size of the RBD is set instead of a artificial file. | |
530 | */ | |
531 | if (!td->files_index) { | |
5903e7b7 | 532 | add_file(td, td->o.filename ? : "rbd", 0, 0); |
fc5c0345 | 533 | td->o.nr_files = td->o.nr_files ? : 1; |
b53f2c54 | 534 | td->o.open_files++; |
fc5c0345 DG |
535 | } |
536 | f = td->files[0]; | |
537 | f->real_file_size = info.size; | |
538 | ||
539 | /* disconnect, then we were only connected to determine | |
540 | * the size of the RBD. | |
541 | */ | |
6f9961ac | 542 | _fio_rbd_disconnect(rbd); |
fc5c0345 DG |
543 | return 0; |
544 | ||
545 | disconnect: | |
6f9961ac | 546 | _fio_rbd_disconnect(rbd); |
fc5c0345 DG |
547 | cleanup: |
548 | fio_rbd_cleanup(td); | |
549 | return r; | |
550 | } | |
551 | ||
552 | static int fio_rbd_open(struct thread_data *td, struct fio_file *f) | |
553 | { | |
554 | return 0; | |
555 | } | |
556 | ||
d9b100fc JA |
557 | static int fio_rbd_invalidate(struct thread_data *td, struct fio_file *f) |
558 | { | |
903b2812 | 559 | #if defined(CONFIG_RBD_INVAL) |
565e784d | 560 | struct rbd_data *rbd = td->io_ops_data; |
903b2812 | 561 | |
6f9961ac | 562 | return rbd_invalidate_cache(rbd->image); |
903b2812 | 563 | #else |
d9b100fc | 564 | return 0; |
903b2812 | 565 | #endif |
d9b100fc JA |
566 | } |
567 | ||
fc5c0345 DG |
568 | static void fio_rbd_io_u_free(struct thread_data *td, struct io_u *io_u) |
569 | { | |
d8b64af2 | 570 | struct fio_rbd_iou *fri = io_u->engine_data; |
fc5c0345 | 571 | |
d8b64af2 | 572 | if (fri) { |
fc5c0345 | 573 | io_u->engine_data = NULL; |
d8b64af2 | 574 | free(fri); |
fc5c0345 DG |
575 | } |
576 | } | |
577 | ||
578 | static int fio_rbd_io_u_init(struct thread_data *td, struct io_u *io_u) | |
579 | { | |
d8b64af2 | 580 | struct fio_rbd_iou *fri; |
fc5c0345 | 581 | |
d8b64af2 JA |
582 | fri = calloc(1, sizeof(*fri)); |
583 | fri->io_u = io_u; | |
584 | io_u->engine_data = fri; | |
fc5c0345 DG |
585 | return 0; |
586 | } | |
587 | ||
10aa136b | 588 | static struct ioengine_ops ioengine = { |
d9b100fc JA |
589 | .name = "rbd", |
590 | .version = FIO_IOOPS_VERSION, | |
591 | .setup = fio_rbd_setup, | |
592 | .init = fio_rbd_init, | |
593 | .queue = fio_rbd_queue, | |
594 | .getevents = fio_rbd_getevents, | |
595 | .event = fio_rbd_event, | |
596 | .cleanup = fio_rbd_cleanup, | |
597 | .open_file = fio_rbd_open, | |
598 | .invalidate = fio_rbd_invalidate, | |
599 | .options = options, | |
600 | .io_u_init = fio_rbd_io_u_init, | |
601 | .io_u_free = fio_rbd_io_u_free, | |
602 | .option_struct_size = sizeof(struct rbd_options), | |
fc5c0345 DG |
603 | }; |
604 | ||
605 | static void fio_init fio_rbd_register(void) | |
606 | { | |
607 | register_ioengine(&ioengine); | |
608 | } | |
609 | ||
610 | static void fio_exit fio_rbd_unregister(void) | |
611 | { | |
612 | unregister_ioengine(&ioengine); | |
613 | } |