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