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; |
a4c4c346 | 21 | struct blkin_trace_info info; |
fc5c0345 DG |
22 | }; |
23 | ||
24 | struct rbd_data { | |
25 | rados_t cluster; | |
26 | rados_ioctx_t io_ctx; | |
27 | rbd_image_t image; | |
28 | struct io_u **aio_events; | |
6f9961ac | 29 | struct io_u **sort_events; |
fc5c0345 DG |
30 | }; |
31 | ||
32 | struct rbd_options { | |
a1f871c7 | 33 | void *pad; |
6e20c6e7 | 34 | char *cluster_name; |
fc5c0345 DG |
35 | char *rbd_name; |
36 | char *pool_name; | |
37 | char *client_name; | |
d7d702c7 | 38 | int busy_poll; |
fc5c0345 DG |
39 | }; |
40 | ||
41 | static struct fio_option options[] = { | |
6e20c6e7 T |
42 | { |
43 | .name = "clustername", | |
44 | .lname = "ceph cluster name", | |
45 | .type = FIO_OPT_STR_STORE, | |
46 | .help = "Cluster name for ceph", | |
47 | .off1 = offsetof(struct rbd_options, cluster_name), | |
48 | .category = FIO_OPT_C_ENGINE, | |
49 | .group = FIO_OPT_G_RBD, | |
50 | }, | |
fc5c0345 | 51 | { |
d8b64af2 JA |
52 | .name = "rbdname", |
53 | .lname = "rbd engine rbdname", | |
54 | .type = FIO_OPT_STR_STORE, | |
55 | .help = "RBD name for RBD engine", | |
56 | .off1 = offsetof(struct rbd_options, rbd_name), | |
57 | .category = FIO_OPT_C_ENGINE, | |
58 | .group = FIO_OPT_G_RBD, | |
59 | }, | |
fc5c0345 | 60 | { |
d7d702c7 JA |
61 | .name = "pool", |
62 | .lname = "rbd engine pool", | |
63 | .type = FIO_OPT_STR_STORE, | |
64 | .help = "Name of the pool hosting the RBD for the RBD engine", | |
65 | .off1 = offsetof(struct rbd_options, pool_name), | |
66 | .category = FIO_OPT_C_ENGINE, | |
67 | .group = FIO_OPT_G_RBD, | |
d8b64af2 | 68 | }, |
fc5c0345 | 69 | { |
d7d702c7 JA |
70 | .name = "clientname", |
71 | .lname = "rbd engine clientname", | |
72 | .type = FIO_OPT_STR_STORE, | |
73 | .help = "Name of the ceph client to access the RBD for the RBD engine", | |
74 | .off1 = offsetof(struct rbd_options, client_name), | |
75 | .category = FIO_OPT_C_ENGINE, | |
76 | .group = FIO_OPT_G_RBD, | |
77 | }, | |
78 | { | |
79 | .name = "busy_poll", | |
80 | .lname = "Busy poll", | |
81 | .type = FIO_OPT_BOOL, | |
82 | .help = "Busy poll for completions instead of sleeping", | |
fea585d4 | 83 | .off1 = offsetof(struct rbd_options, busy_poll), |
d7d702c7 JA |
84 | .def = "0", |
85 | .category = FIO_OPT_C_ENGINE, | |
86 | .group = FIO_OPT_G_RBD, | |
d8b64af2 | 87 | }, |
fc5c0345 | 88 | { |
d8b64af2 JA |
89 | .name = NULL, |
90 | }, | |
fc5c0345 DG |
91 | }; |
92 | ||
93 | static int _fio_setup_rbd_data(struct thread_data *td, | |
94 | struct rbd_data **rbd_data_ptr) | |
95 | { | |
6f9961ac | 96 | struct rbd_data *rbd; |
fc5c0345 DG |
97 | |
98 | if (td->io_ops->data) | |
99 | return 0; | |
100 | ||
6f9961ac JA |
101 | rbd = calloc(1, sizeof(struct rbd_data)); |
102 | if (!rbd) | |
fc5c0345 DG |
103 | goto failed; |
104 | ||
6f9961ac JA |
105 | rbd->aio_events = calloc(td->o.iodepth, sizeof(struct io_u *)); |
106 | if (!rbd->aio_events) | |
fc5c0345 DG |
107 | goto failed; |
108 | ||
6f9961ac JA |
109 | rbd->sort_events = calloc(td->o.iodepth, sizeof(struct io_u *)); |
110 | if (!rbd->sort_events) | |
111 | goto failed; | |
fc5c0345 | 112 | |
6f9961ac | 113 | *rbd_data_ptr = rbd; |
fc5c0345 DG |
114 | return 0; |
115 | ||
116 | failed: | |
6f9961ac JA |
117 | if (rbd) |
118 | free(rbd); | |
fc5c0345 DG |
119 | return 1; |
120 | ||
121 | } | |
122 | ||
123 | static int _fio_rbd_connect(struct thread_data *td) | |
124 | { | |
6f9961ac | 125 | struct rbd_data *rbd = td->io_ops->data; |
fc5c0345 DG |
126 | struct rbd_options *o = td->eo; |
127 | int r; | |
128 | ||
6e20c6e7 T |
129 | if (o->cluster_name) { |
130 | char *client_name = NULL; | |
131 | ||
132 | /* | |
133 | * If we specify cluser name, the rados_creat2 | |
134 | * will not assume 'client.'. name is considered | |
135 | * as a full type.id namestr | |
136 | */ | |
137 | if (!index(o->client_name, '.')) { | |
138 | client_name = calloc(1, strlen("client.") + | |
139 | strlen(o->client_name) + 1); | |
140 | strcat(client_name, "client."); | |
141 | o->client_name = strcat(client_name, o->client_name); | |
142 | } | |
143 | r = rados_create2(&rbd->cluster, o->cluster_name, | |
144 | o->client_name, 0); | |
145 | } else | |
146 | r = rados_create(&rbd->cluster, o->client_name); | |
147 | ||
fc5c0345 DG |
148 | if (r < 0) { |
149 | log_err("rados_create failed.\n"); | |
150 | goto failed_early; | |
151 | } | |
152 | ||
6f9961ac | 153 | r = rados_conf_read_file(rbd->cluster, NULL); |
fc5c0345 DG |
154 | if (r < 0) { |
155 | log_err("rados_conf_read_file failed.\n"); | |
156 | goto failed_early; | |
157 | } | |
158 | ||
6f9961ac | 159 | r = rados_connect(rbd->cluster); |
fc5c0345 DG |
160 | if (r < 0) { |
161 | log_err("rados_connect failed.\n"); | |
162 | goto failed_shutdown; | |
163 | } | |
164 | ||
6f9961ac | 165 | r = rados_ioctx_create(rbd->cluster, o->pool_name, &rbd->io_ctx); |
fc5c0345 DG |
166 | if (r < 0) { |
167 | log_err("rados_ioctx_create failed.\n"); | |
168 | goto failed_shutdown; | |
169 | } | |
170 | ||
6f9961ac | 171 | r = rbd_open(rbd->io_ctx, o->rbd_name, &rbd->image, NULL /*snap */ ); |
fc5c0345 DG |
172 | if (r < 0) { |
173 | log_err("rbd_open failed.\n"); | |
174 | goto failed_open; | |
175 | } | |
176 | return 0; | |
177 | ||
178 | failed_open: | |
6f9961ac JA |
179 | rados_ioctx_destroy(rbd->io_ctx); |
180 | rbd->io_ctx = NULL; | |
fc5c0345 | 181 | failed_shutdown: |
6f9961ac JA |
182 | rados_shutdown(rbd->cluster); |
183 | rbd->cluster = NULL; | |
fc5c0345 DG |
184 | failed_early: |
185 | return 1; | |
186 | } | |
187 | ||
6f9961ac | 188 | static void _fio_rbd_disconnect(struct rbd_data *rbd) |
fc5c0345 | 189 | { |
6f9961ac | 190 | if (!rbd) |
fc5c0345 DG |
191 | return; |
192 | ||
193 | /* shutdown everything */ | |
6f9961ac JA |
194 | if (rbd->image) { |
195 | rbd_close(rbd->image); | |
196 | rbd->image = NULL; | |
fc5c0345 DG |
197 | } |
198 | ||
6f9961ac JA |
199 | if (rbd->io_ctx) { |
200 | rados_ioctx_destroy(rbd->io_ctx); | |
201 | rbd->io_ctx = NULL; | |
fc5c0345 DG |
202 | } |
203 | ||
6f9961ac JA |
204 | if (rbd->cluster) { |
205 | rados_shutdown(rbd->cluster); | |
206 | rbd->cluster = NULL; | |
fc5c0345 DG |
207 | } |
208 | } | |
209 | ||
d8b64af2 | 210 | static void _fio_rbd_finish_aiocb(rbd_completion_t comp, void *data) |
fc5c0345 | 211 | { |
dbf388d2 JA |
212 | struct fio_rbd_iou *fri = data; |
213 | struct io_u *io_u = fri->io_u; | |
d8b64af2 | 214 | ssize_t ret; |
fc5c0345 | 215 | |
d8b64af2 JA |
216 | /* |
217 | * Looks like return value is 0 for success, or < 0 for | |
218 | * a specific error. So we have to assume that it can't do | |
219 | * partial completions. | |
220 | */ | |
221 | ret = rbd_aio_get_return_value(fri->completion); | |
222 | if (ret < 0) { | |
223 | io_u->error = ret; | |
224 | io_u->resid = io_u->xfer_buflen; | |
225 | } else | |
226 | io_u->error = 0; | |
20cf5aab JD |
227 | |
228 | fri->io_complete = 1; | |
d8b64af2 | 229 | } |
fc5c0345 | 230 | |
d8b64af2 JA |
231 | static struct io_u *fio_rbd_event(struct thread_data *td, int event) |
232 | { | |
6f9961ac | 233 | struct rbd_data *rbd = td->io_ops->data; |
fc5c0345 | 234 | |
6f9961ac | 235 | return rbd->aio_events[event]; |
fc5c0345 DG |
236 | } |
237 | ||
6f9961ac | 238 | static inline int fri_check_complete(struct rbd_data *rbd, struct io_u *io_u, |
d8b64af2 | 239 | unsigned int *events) |
fc5c0345 | 240 | { |
d8b64af2 | 241 | struct fio_rbd_iou *fri = io_u->engine_data; |
fc5c0345 | 242 | |
b8ecbef6 | 243 | if (fri->io_complete) { |
d8b64af2 | 244 | fri->io_seen = 1; |
6f9961ac | 245 | rbd->aio_events[*events] = io_u; |
d8b64af2 | 246 | (*events)++; |
fc5c0345 | 247 | |
d8b64af2 JA |
248 | rbd_aio_release(fri->completion); |
249 | return 1; | |
250 | } | |
fc5c0345 | 251 | |
d8b64af2 | 252 | return 0; |
fc5c0345 DG |
253 | } |
254 | ||
6f9961ac JA |
255 | static inline int rbd_io_u_seen(struct io_u *io_u) |
256 | { | |
257 | struct fio_rbd_iou *fri = io_u->engine_data; | |
258 | ||
259 | return fri->io_seen; | |
260 | } | |
261 | ||
262 | static void rbd_io_u_wait_complete(struct io_u *io_u) | |
263 | { | |
264 | struct fio_rbd_iou *fri = io_u->engine_data; | |
265 | ||
266 | rbd_aio_wait_for_complete(fri->completion); | |
267 | } | |
268 | ||
269 | static int rbd_io_u_cmp(const void *p1, const void *p2) | |
270 | { | |
271 | const struct io_u **a = (const struct io_u **) p1; | |
272 | const struct io_u **b = (const struct io_u **) p2; | |
273 | uint64_t at, bt; | |
274 | ||
275 | at = utime_since_now(&(*a)->start_time); | |
276 | bt = utime_since_now(&(*b)->start_time); | |
277 | ||
278 | if (at < bt) | |
279 | return -1; | |
280 | else if (at == bt) | |
281 | return 0; | |
282 | else | |
283 | return 1; | |
284 | } | |
285 | ||
d8b64af2 JA |
286 | static int rbd_iter_events(struct thread_data *td, unsigned int *events, |
287 | unsigned int min_evts, int wait) | |
82340a9f | 288 | { |
6f9961ac | 289 | struct rbd_data *rbd = td->io_ops->data; |
d8b64af2 JA |
290 | unsigned int this_events = 0; |
291 | struct io_u *io_u; | |
6f9961ac | 292 | int i, sidx; |
82340a9f | 293 | |
6f9961ac | 294 | sidx = 0; |
d8b64af2 | 295 | io_u_qiter(&td->io_u_all, io_u, i) { |
d8b64af2 JA |
296 | if (!(io_u->flags & IO_U_F_FLIGHT)) |
297 | continue; | |
6f9961ac | 298 | if (rbd_io_u_seen(io_u)) |
d8b64af2 | 299 | continue; |
82340a9f | 300 | |
6f9961ac | 301 | if (fri_check_complete(rbd, io_u, events)) |
d8b64af2 | 302 | this_events++; |
6f9961ac JA |
303 | else if (wait) |
304 | rbd->sort_events[sidx++] = io_u; | |
305 | } | |
82340a9f | 306 | |
6f9961ac JA |
307 | if (!wait || !sidx) |
308 | return this_events; | |
309 | ||
310 | /* | |
311 | * Sort events, oldest issue first, then wait on as many as we | |
312 | * need in order of age. If we have enough events, stop waiting, | |
313 | * and just check if any of the older ones are done. | |
314 | */ | |
315 | if (sidx > 1) | |
316 | qsort(rbd->sort_events, sidx, sizeof(struct io_u *), rbd_io_u_cmp); | |
317 | ||
318 | for (i = 0; i < sidx; i++) { | |
319 | io_u = rbd->sort_events[i]; | |
320 | ||
321 | if (fri_check_complete(rbd, io_u, events)) { | |
322 | this_events++; | |
323 | continue; | |
d8b64af2 | 324 | } |
6f9961ac JA |
325 | |
326 | /* | |
327 | * Stop waiting when we have enough, but continue checking | |
328 | * all pending IOs if they are complete. | |
329 | */ | |
d8b64af2 | 330 | if (*events >= min_evts) |
6f9961ac JA |
331 | continue; |
332 | ||
333 | rbd_io_u_wait_complete(io_u); | |
334 | ||
335 | if (fri_check_complete(rbd, io_u, events)) | |
336 | this_events++; | |
d8b64af2 | 337 | } |
fc5c0345 | 338 | |
d8b64af2 | 339 | return this_events; |
fc5c0345 DG |
340 | } |
341 | ||
342 | static int fio_rbd_getevents(struct thread_data *td, unsigned int min, | |
1f440ece | 343 | unsigned int max, const struct timespec *t) |
fc5c0345 | 344 | { |
d8b64af2 | 345 | unsigned int this_events, events = 0; |
d7d702c7 | 346 | struct rbd_options *o = td->eo; |
d8b64af2 | 347 | int wait = 0; |
fc5c0345 DG |
348 | |
349 | do { | |
d8b64af2 | 350 | this_events = rbd_iter_events(td, &events, min, wait); |
fc5c0345 | 351 | |
d8b64af2 | 352 | if (events >= min) |
fc5c0345 | 353 | break; |
d8b64af2 JA |
354 | if (this_events) |
355 | continue; | |
fc5c0345 | 356 | |
d7d702c7 JA |
357 | if (!o->busy_poll) |
358 | wait = 1; | |
359 | else | |
360 | nop; | |
fc5c0345 DG |
361 | } while (1); |
362 | ||
363 | return events; | |
364 | } | |
365 | ||
366 | static int fio_rbd_queue(struct thread_data *td, struct io_u *io_u) | |
367 | { | |
6f9961ac | 368 | struct rbd_data *rbd = td->io_ops->data; |
d8b64af2 JA |
369 | struct fio_rbd_iou *fri = io_u->engine_data; |
370 | int r = -1; | |
fc5c0345 DG |
371 | |
372 | fio_ro_check(td, io_u); | |
373 | ||
d8b64af2 | 374 | fri->io_seen = 0; |
b8ecbef6 | 375 | fri->io_complete = 0; |
d8b64af2 | 376 | |
dbf388d2 | 377 | r = rbd_aio_create_completion(fri, _fio_rbd_finish_aiocb, |
d8b64af2 | 378 | &fri->completion); |
dbf388d2 JA |
379 | if (r < 0) { |
380 | log_err("rbd_aio_create_completion failed.\n"); | |
381 | goto failed; | |
382 | } | |
fc5c0345 | 383 | |
dbf388d2 | 384 | if (io_u->ddir == DDIR_WRITE) { |
a4c4c346 | 385 | #ifdef CONFIG_RBD_BLKIN |
386 | blkin_init_trace_info(&fri->info); | |
387 | r = rbd_aio_write_traced(rbd->image, io_u->offset, io_u->xfer_buflen, | |
388 | io_u->xfer_buf, fri->completion, &fri->info); | |
389 | #else | |
6f9961ac JA |
390 | r = rbd_aio_write(rbd->image, io_u->offset, io_u->xfer_buflen, |
391 | io_u->xfer_buf, fri->completion); | |
a4c4c346 | 392 | #endif |
fc5c0345 DG |
393 | if (r < 0) { |
394 | log_err("rbd_aio_write failed.\n"); | |
dbf388d2 | 395 | goto failed_comp; |
fc5c0345 DG |
396 | } |
397 | ||
398 | } else if (io_u->ddir == DDIR_READ) { | |
a4c4c346 | 399 | #ifdef CONFIG_RBD_BLKIN |
400 | blkin_init_trace_info(&fri->info); | |
401 | r = rbd_aio_read_traced(rbd->image, io_u->offset, io_u->xfer_buflen, | |
402 | io_u->xfer_buf, fri->completion, &fri->info); | |
403 | #else | |
6f9961ac JA |
404 | r = rbd_aio_read(rbd->image, io_u->offset, io_u->xfer_buflen, |
405 | io_u->xfer_buf, fri->completion); | |
a4c4c346 | 406 | #endif |
fc5c0345 DG |
407 | |
408 | if (r < 0) { | |
409 | log_err("rbd_aio_read failed.\n"); | |
dbf388d2 | 410 | goto failed_comp; |
fc5c0345 | 411 | } |
dbf388d2 | 412 | } else if (io_u->ddir == DDIR_TRIM) { |
6f9961ac JA |
413 | r = rbd_aio_discard(rbd->image, io_u->offset, |
414 | io_u->xfer_buflen, fri->completion); | |
82340a9f | 415 | if (r < 0) { |
dbf388d2 JA |
416 | log_err("rbd_aio_discard failed.\n"); |
417 | goto failed_comp; | |
82340a9f | 418 | } |
dbf388d2 | 419 | } else if (io_u->ddir == DDIR_SYNC) { |
6f9961ac | 420 | r = rbd_aio_flush(rbd->image, fri->completion); |
fc5c0345 DG |
421 | if (r < 0) { |
422 | log_err("rbd_flush failed.\n"); | |
dbf388d2 | 423 | goto failed_comp; |
fc5c0345 | 424 | } |
fc5c0345 DG |
425 | } else { |
426 | dprint(FD_IO, "%s: Warning: unhandled ddir: %d\n", __func__, | |
427 | io_u->ddir); | |
dbf388d2 | 428 | goto failed_comp; |
fc5c0345 DG |
429 | } |
430 | ||
431 | return FIO_Q_QUEUED; | |
dbf388d2 JA |
432 | failed_comp: |
433 | rbd_aio_release(fri->completion); | |
fc5c0345 DG |
434 | failed: |
435 | io_u->error = r; | |
436 | td_verror(td, io_u->error, "xfer"); | |
437 | return FIO_Q_COMPLETED; | |
438 | } | |
439 | ||
440 | static int fio_rbd_init(struct thread_data *td) | |
441 | { | |
442 | int r; | |
443 | ||
444 | r = _fio_rbd_connect(td); | |
445 | if (r) { | |
446 | log_err("fio_rbd_connect failed, return code: %d .\n", r); | |
447 | goto failed; | |
448 | } | |
449 | ||
450 | return 0; | |
451 | ||
452 | failed: | |
453 | return 1; | |
fc5c0345 DG |
454 | } |
455 | ||
456 | static void fio_rbd_cleanup(struct thread_data *td) | |
457 | { | |
6f9961ac | 458 | struct rbd_data *rbd = td->io_ops->data; |
fc5c0345 | 459 | |
6f9961ac JA |
460 | if (rbd) { |
461 | _fio_rbd_disconnect(rbd); | |
462 | free(rbd->aio_events); | |
463 | free(rbd->sort_events); | |
464 | free(rbd); | |
fc5c0345 | 465 | } |
fc5c0345 DG |
466 | } |
467 | ||
468 | static int fio_rbd_setup(struct thread_data *td) | |
469 | { | |
fc5c0345 DG |
470 | rbd_image_info_t info; |
471 | struct fio_file *f; | |
6f9961ac | 472 | struct rbd_data *rbd = NULL; |
fc5c0345 | 473 | int major, minor, extra; |
6f9961ac | 474 | int r; |
fc5c0345 DG |
475 | |
476 | /* log version of librbd. No cluster connection required. */ | |
477 | rbd_version(&major, &minor, &extra); | |
478 | log_info("rbd engine: RBD version: %d.%d.%d\n", major, minor, extra); | |
479 | ||
480 | /* allocate engine specific structure to deal with librbd. */ | |
6f9961ac | 481 | r = _fio_setup_rbd_data(td, &rbd); |
fc5c0345 DG |
482 | if (r) { |
483 | log_err("fio_setup_rbd_data failed.\n"); | |
484 | goto cleanup; | |
485 | } | |
6f9961ac | 486 | td->io_ops->data = rbd; |
fc5c0345 | 487 | |
d8b64af2 JA |
488 | /* librbd does not allow us to run first in the main thread and later |
489 | * in a fork child. It needs to be the same process context all the | |
490 | * time. | |
fc5c0345 DG |
491 | */ |
492 | td->o.use_thread = 1; | |
493 | ||
494 | /* connect in the main thread to determine to determine | |
495 | * the size of the given RADOS block device. And disconnect | |
496 | * later on. | |
497 | */ | |
498 | r = _fio_rbd_connect(td); | |
499 | if (r) { | |
500 | log_err("fio_rbd_connect failed.\n"); | |
501 | goto cleanup; | |
502 | } | |
503 | ||
504 | /* get size of the RADOS block device */ | |
6f9961ac | 505 | r = rbd_stat(rbd->image, &info, sizeof(info)); |
fc5c0345 DG |
506 | if (r < 0) { |
507 | log_err("rbd_status failed.\n"); | |
508 | goto disconnect; | |
509 | } | |
510 | dprint(FD_IO, "rbd-engine: image size: %lu\n", info.size); | |
511 | ||
512 | /* taken from "net" engine. Pretend we deal with files, | |
513 | * even if we do not have any ideas about files. | |
514 | * The size of the RBD is set instead of a artificial file. | |
515 | */ | |
516 | if (!td->files_index) { | |
5903e7b7 | 517 | add_file(td, td->o.filename ? : "rbd", 0, 0); |
fc5c0345 | 518 | td->o.nr_files = td->o.nr_files ? : 1; |
b53f2c54 | 519 | td->o.open_files++; |
fc5c0345 DG |
520 | } |
521 | f = td->files[0]; | |
522 | f->real_file_size = info.size; | |
523 | ||
524 | /* disconnect, then we were only connected to determine | |
525 | * the size of the RBD. | |
526 | */ | |
6f9961ac | 527 | _fio_rbd_disconnect(rbd); |
fc5c0345 DG |
528 | return 0; |
529 | ||
530 | disconnect: | |
6f9961ac | 531 | _fio_rbd_disconnect(rbd); |
fc5c0345 DG |
532 | cleanup: |
533 | fio_rbd_cleanup(td); | |
534 | return r; | |
535 | } | |
536 | ||
537 | static int fio_rbd_open(struct thread_data *td, struct fio_file *f) | |
538 | { | |
539 | return 0; | |
540 | } | |
541 | ||
d9b100fc JA |
542 | static int fio_rbd_invalidate(struct thread_data *td, struct fio_file *f) |
543 | { | |
903b2812 | 544 | #if defined(CONFIG_RBD_INVAL) |
6f9961ac | 545 | struct rbd_data *rbd = td->io_ops->data; |
903b2812 | 546 | |
6f9961ac | 547 | return rbd_invalidate_cache(rbd->image); |
903b2812 | 548 | #else |
d9b100fc | 549 | return 0; |
903b2812 | 550 | #endif |
d9b100fc JA |
551 | } |
552 | ||
fc5c0345 DG |
553 | static void fio_rbd_io_u_free(struct thread_data *td, struct io_u *io_u) |
554 | { | |
d8b64af2 | 555 | struct fio_rbd_iou *fri = io_u->engine_data; |
fc5c0345 | 556 | |
d8b64af2 | 557 | if (fri) { |
fc5c0345 | 558 | io_u->engine_data = NULL; |
d8b64af2 | 559 | free(fri); |
fc5c0345 DG |
560 | } |
561 | } | |
562 | ||
563 | static int fio_rbd_io_u_init(struct thread_data *td, struct io_u *io_u) | |
564 | { | |
d8b64af2 | 565 | struct fio_rbd_iou *fri; |
fc5c0345 | 566 | |
d8b64af2 JA |
567 | fri = calloc(1, sizeof(*fri)); |
568 | fri->io_u = io_u; | |
569 | io_u->engine_data = fri; | |
fc5c0345 DG |
570 | return 0; |
571 | } | |
572 | ||
10aa136b | 573 | static struct ioengine_ops ioengine = { |
d9b100fc JA |
574 | .name = "rbd", |
575 | .version = FIO_IOOPS_VERSION, | |
576 | .setup = fio_rbd_setup, | |
577 | .init = fio_rbd_init, | |
578 | .queue = fio_rbd_queue, | |
579 | .getevents = fio_rbd_getevents, | |
580 | .event = fio_rbd_event, | |
581 | .cleanup = fio_rbd_cleanup, | |
582 | .open_file = fio_rbd_open, | |
583 | .invalidate = fio_rbd_invalidate, | |
584 | .options = options, | |
585 | .io_u_init = fio_rbd_io_u_init, | |
586 | .io_u_free = fio_rbd_io_u_free, | |
587 | .option_struct_size = sizeof(struct rbd_options), | |
fc5c0345 DG |
588 | }; |
589 | ||
590 | static void fio_init fio_rbd_register(void) | |
591 | { | |
592 | register_ioengine(&ioengine); | |
593 | } | |
594 | ||
595 | static void fio_exit fio_rbd_unregister(void) | |
596 | { | |
597 | unregister_ioengine(&ioengine); | |
598 | } |