]>
Commit | Line | Data |
---|---|---|
12c929bc KW |
1 | /* |
2 | * QMP command handlers specific to the system emulators | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * This work is licensed under the terms of the GNU GPL, version 2 or | |
7 | * later. See the COPYING file in the top-level directory. | |
8 | * | |
9 | * This file incorporates work covered by the following copyright and | |
10 | * permission notice: | |
11 | * | |
12 | * Copyright (c) 2003-2008 Fabrice Bellard | |
13 | * | |
14 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
15 | * of this software and associated documentation files (the "Software"), to deal | |
16 | * in the Software without restriction, including without limitation the rights | |
17 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
18 | * copies of the Software, and to permit persons to whom the Software is | |
19 | * furnished to do so, subject to the following conditions: | |
20 | * | |
21 | * The above copyright notice and this permission notice shall be included in | |
22 | * all copies or substantial portions of the Software. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
25 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
26 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
27 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
28 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
29 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
30 | * THE SOFTWARE. | |
31 | */ | |
32 | ||
33 | #include "qemu/osdep.h" | |
34 | ||
e2c1c34f | 35 | #include "block/block_int.h" |
12c929bc KW |
36 | #include "qapi/error.h" |
37 | #include "qapi/qapi-commands-block.h" | |
38 | #include "qapi/qmp/qdict.h" | |
39 | #include "sysemu/block-backend.h" | |
40 | #include "sysemu/blockdev.h" | |
41 | ||
42 | static BlockBackend *qmp_get_blk(const char *blk_name, const char *qdev_id, | |
43 | Error **errp) | |
44 | { | |
45 | BlockBackend *blk; | |
46 | ||
47 | if (!blk_name == !qdev_id) { | |
48 | error_setg(errp, "Need exactly one of 'device' and 'id'"); | |
49 | return NULL; | |
50 | } | |
51 | ||
52 | if (qdev_id) { | |
53 | blk = blk_by_qdev_id(qdev_id, errp); | |
54 | } else { | |
55 | blk = blk_by_name(blk_name); | |
56 | if (blk == NULL) { | |
57 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, | |
58 | "Device '%s' not found", blk_name); | |
59 | } | |
60 | } | |
61 | ||
62 | return blk; | |
63 | } | |
64 | ||
65 | /* | |
66 | * Attempt to open the tray of @device. | |
67 | * If @force, ignore its tray lock. | |
68 | * Else, if the tray is locked, don't open it, but ask the guest to open it. | |
69 | * On error, store an error through @errp and return -errno. | |
70 | * If @device does not exist, return -ENODEV. | |
71 | * If it has no removable media, return -ENOTSUP. | |
72 | * If it has no tray, return -ENOSYS. | |
73 | * If the guest was asked to open the tray, return -EINPROGRESS. | |
74 | * Else, return 0. | |
75 | */ | |
76 | static int do_open_tray(const char *blk_name, const char *qdev_id, | |
77 | bool force, Error **errp) | |
78 | { | |
79 | BlockBackend *blk; | |
80 | const char *device = qdev_id ?: blk_name; | |
81 | bool locked; | |
82 | ||
83 | blk = qmp_get_blk(blk_name, qdev_id, errp); | |
84 | if (!blk) { | |
85 | return -ENODEV; | |
86 | } | |
87 | ||
88 | if (!blk_dev_has_removable_media(blk)) { | |
89 | error_setg(errp, "Device '%s' is not removable", device); | |
90 | return -ENOTSUP; | |
91 | } | |
92 | ||
93 | if (!blk_dev_has_tray(blk)) { | |
94 | error_setg(errp, "Device '%s' does not have a tray", device); | |
95 | return -ENOSYS; | |
96 | } | |
97 | ||
98 | if (blk_dev_is_tray_open(blk)) { | |
99 | return 0; | |
100 | } | |
101 | ||
102 | locked = blk_dev_is_medium_locked(blk); | |
103 | if (locked) { | |
104 | blk_dev_eject_request(blk, force); | |
105 | } | |
106 | ||
107 | if (!locked || force) { | |
108 | blk_dev_change_media_cb(blk, false, &error_abort); | |
109 | } | |
110 | ||
111 | if (locked && !force) { | |
112 | error_setg(errp, "Device '%s' is locked and force was not specified, " | |
113 | "wait for tray to open and try again", device); | |
114 | return -EINPROGRESS; | |
115 | } | |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
54fde4ff MA |
120 | void qmp_blockdev_open_tray(const char *device, |
121 | const char *id, | |
12c929bc KW |
122 | bool has_force, bool force, |
123 | Error **errp) | |
124 | { | |
125 | Error *local_err = NULL; | |
126 | int rc; | |
127 | ||
128 | if (!has_force) { | |
129 | force = false; | |
130 | } | |
54fde4ff | 131 | rc = do_open_tray(device, id, force, &local_err); |
12c929bc KW |
132 | if (rc && rc != -ENOSYS && rc != -EINPROGRESS) { |
133 | error_propagate(errp, local_err); | |
134 | return; | |
135 | } | |
136 | error_free(local_err); | |
137 | } | |
138 | ||
54fde4ff MA |
139 | void qmp_blockdev_close_tray(const char *device, |
140 | const char *id, | |
12c929bc KW |
141 | Error **errp) |
142 | { | |
143 | BlockBackend *blk; | |
144 | Error *local_err = NULL; | |
145 | ||
12c929bc KW |
146 | blk = qmp_get_blk(device, id, errp); |
147 | if (!blk) { | |
148 | return; | |
149 | } | |
150 | ||
151 | if (!blk_dev_has_removable_media(blk)) { | |
152 | error_setg(errp, "Device '%s' is not removable", device ?: id); | |
153 | return; | |
154 | } | |
155 | ||
156 | if (!blk_dev_has_tray(blk)) { | |
157 | /* Ignore this command on tray-less devices */ | |
158 | return; | |
159 | } | |
160 | ||
161 | if (!blk_dev_is_tray_open(blk)) { | |
162 | return; | |
163 | } | |
164 | ||
165 | blk_dev_change_media_cb(blk, true, &local_err); | |
166 | if (local_err) { | |
167 | error_propagate(errp, local_err); | |
168 | return; | |
169 | } | |
170 | } | |
171 | ||
277f2007 KW |
172 | static void GRAPH_UNLOCKED |
173 | blockdev_remove_medium(const char *device, const char *id, Error **errp) | |
12c929bc KW |
174 | { |
175 | BlockBackend *blk; | |
176 | BlockDriverState *bs; | |
177 | AioContext *aio_context; | |
178 | bool has_attached_device; | |
179 | ||
277f2007 KW |
180 | GLOBAL_STATE_CODE(); |
181 | ||
12c929bc KW |
182 | blk = qmp_get_blk(device, id, errp); |
183 | if (!blk) { | |
184 | return; | |
185 | } | |
186 | ||
187 | /* For BBs without a device, we can exchange the BDS tree at will */ | |
188 | has_attached_device = blk_get_attached_dev(blk); | |
189 | ||
190 | if (has_attached_device && !blk_dev_has_removable_media(blk)) { | |
191 | error_setg(errp, "Device '%s' is not removable", device ?: id); | |
192 | return; | |
193 | } | |
194 | ||
195 | if (has_attached_device && blk_dev_has_tray(blk) && | |
196 | !blk_dev_is_tray_open(blk)) | |
197 | { | |
198 | error_setg(errp, "Tray of device '%s' is not open", device ?: id); | |
199 | return; | |
200 | } | |
201 | ||
202 | bs = blk_bs(blk); | |
203 | if (!bs) { | |
204 | return; | |
205 | } | |
206 | ||
207 | aio_context = bdrv_get_aio_context(bs); | |
208 | aio_context_acquire(aio_context); | |
209 | ||
277f2007 | 210 | bdrv_graph_rdlock_main_loop(); |
12c929bc | 211 | if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_EJECT, errp)) { |
277f2007 | 212 | bdrv_graph_rdunlock_main_loop(); |
12c929bc KW |
213 | goto out; |
214 | } | |
277f2007 | 215 | bdrv_graph_rdunlock_main_loop(); |
12c929bc KW |
216 | |
217 | blk_remove_bs(blk); | |
218 | ||
219 | if (!blk_dev_has_tray(blk)) { | |
220 | /* For tray-less devices, blockdev-open-tray is a no-op (or may not be | |
221 | * called at all); therefore, the medium needs to be ejected here. | |
222 | * Do it after blk_remove_bs() so blk_is_inserted(blk) returns the @load | |
223 | * value passed here (i.e. false). */ | |
224 | blk_dev_change_media_cb(blk, false, &error_abort); | |
225 | } | |
226 | ||
227 | out: | |
228 | aio_context_release(aio_context); | |
229 | } | |
230 | ||
231 | void qmp_blockdev_remove_medium(const char *id, Error **errp) | |
232 | { | |
54fde4ff | 233 | blockdev_remove_medium(NULL, id, errp); |
12c929bc KW |
234 | } |
235 | ||
236 | static void qmp_blockdev_insert_anon_medium(BlockBackend *blk, | |
237 | BlockDriverState *bs, Error **errp) | |
238 | { | |
239 | Error *local_err = NULL; | |
240 | bool has_device; | |
241 | int ret; | |
242 | ||
243 | /* For BBs without a device, we can exchange the BDS tree at will */ | |
244 | has_device = blk_get_attached_dev(blk); | |
245 | ||
246 | if (has_device && !blk_dev_has_removable_media(blk)) { | |
247 | error_setg(errp, "Device is not removable"); | |
248 | return; | |
249 | } | |
250 | ||
251 | if (has_device && blk_dev_has_tray(blk) && !blk_dev_is_tray_open(blk)) { | |
252 | error_setg(errp, "Tray of the device is not open"); | |
253 | return; | |
254 | } | |
255 | ||
256 | if (blk_bs(blk)) { | |
257 | error_setg(errp, "There already is a medium in the device"); | |
258 | return; | |
259 | } | |
260 | ||
261 | ret = blk_insert_bs(blk, bs, errp); | |
262 | if (ret < 0) { | |
263 | return; | |
264 | } | |
265 | ||
266 | if (!blk_dev_has_tray(blk)) { | |
267 | /* For tray-less devices, blockdev-close-tray is a no-op (or may not be | |
268 | * called at all); therefore, the medium needs to be pushed into the | |
269 | * slot here. | |
270 | * Do it after blk_insert_bs() so blk_is_inserted(blk) returns the @load | |
271 | * value passed here (i.e. true). */ | |
272 | blk_dev_change_media_cb(blk, true, &local_err); | |
273 | if (local_err) { | |
274 | error_propagate(errp, local_err); | |
275 | blk_remove_bs(blk); | |
276 | return; | |
277 | } | |
278 | } | |
279 | } | |
280 | ||
54fde4ff | 281 | static void blockdev_insert_medium(const char *device, const char *id, |
12c929bc KW |
282 | const char *node_name, Error **errp) |
283 | { | |
284 | BlockBackend *blk; | |
285 | BlockDriverState *bs; | |
286 | ||
2b3912f1 KW |
287 | GRAPH_RDLOCK_GUARD_MAINLOOP(); |
288 | ||
54fde4ff | 289 | blk = qmp_get_blk(device, id, errp); |
12c929bc KW |
290 | if (!blk) { |
291 | return; | |
292 | } | |
293 | ||
294 | bs = bdrv_find_node(node_name); | |
295 | if (!bs) { | |
296 | error_setg(errp, "Node '%s' not found", node_name); | |
297 | return; | |
298 | } | |
299 | ||
300 | if (bdrv_has_blk(bs)) { | |
301 | error_setg(errp, "Node '%s' is already in use", node_name); | |
302 | return; | |
303 | } | |
304 | ||
305 | qmp_blockdev_insert_anon_medium(blk, bs, errp); | |
306 | } | |
307 | ||
308 | void qmp_blockdev_insert_medium(const char *id, const char *node_name, | |
309 | Error **errp) | |
310 | { | |
54fde4ff | 311 | blockdev_insert_medium(NULL, id, node_name, errp); |
12c929bc KW |
312 | } |
313 | ||
54fde4ff MA |
314 | void qmp_blockdev_change_medium(const char *device, |
315 | const char *id, | |
12c929bc | 316 | const char *filename, |
54fde4ff | 317 | const char *format, |
80dd5aff | 318 | bool has_force, bool force, |
12c929bc KW |
319 | bool has_read_only, |
320 | BlockdevChangeReadOnlyMode read_only, | |
321 | Error **errp) | |
322 | { | |
323 | BlockBackend *blk; | |
324 | BlockDriverState *medium_bs = NULL; | |
325 | int bdrv_flags; | |
326 | bool detect_zeroes; | |
327 | int rc; | |
328 | QDict *options = NULL; | |
329 | Error *err = NULL; | |
330 | ||
54fde4ff | 331 | blk = qmp_get_blk(device, id, errp); |
12c929bc KW |
332 | if (!blk) { |
333 | goto fail; | |
334 | } | |
335 | ||
336 | if (blk_bs(blk)) { | |
337 | blk_update_root_state(blk); | |
338 | } | |
339 | ||
340 | bdrv_flags = blk_get_open_flags_from_root_state(blk); | |
341 | bdrv_flags &= ~(BDRV_O_TEMPORARY | BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING | | |
342 | BDRV_O_PROTOCOL | BDRV_O_AUTO_RDONLY); | |
343 | ||
344 | if (!has_read_only) { | |
345 | read_only = BLOCKDEV_CHANGE_READ_ONLY_MODE_RETAIN; | |
346 | } | |
347 | ||
348 | switch (read_only) { | |
349 | case BLOCKDEV_CHANGE_READ_ONLY_MODE_RETAIN: | |
350 | break; | |
351 | ||
352 | case BLOCKDEV_CHANGE_READ_ONLY_MODE_READ_ONLY: | |
353 | bdrv_flags &= ~BDRV_O_RDWR; | |
354 | break; | |
355 | ||
356 | case BLOCKDEV_CHANGE_READ_ONLY_MODE_READ_WRITE: | |
357 | bdrv_flags |= BDRV_O_RDWR; | |
358 | break; | |
359 | ||
360 | default: | |
361 | abort(); | |
362 | } | |
363 | ||
364 | options = qdict_new(); | |
365 | detect_zeroes = blk_get_detect_zeroes_from_root_state(blk); | |
366 | qdict_put_str(options, "detect-zeroes", detect_zeroes ? "on" : "off"); | |
367 | ||
54fde4ff | 368 | if (format) { |
12c929bc KW |
369 | qdict_put_str(options, "driver", format); |
370 | } | |
371 | ||
c6e0a6de | 372 | aio_context_acquire(qemu_get_aio_context()); |
12c929bc | 373 | medium_bs = bdrv_open(filename, NULL, options, bdrv_flags, errp); |
c6e0a6de KW |
374 | aio_context_release(qemu_get_aio_context()); |
375 | ||
12c929bc KW |
376 | if (!medium_bs) { |
377 | goto fail; | |
378 | } | |
379 | ||
54fde4ff | 380 | rc = do_open_tray(device, id, force, &err); |
12c929bc KW |
381 | if (rc && rc != -ENOSYS) { |
382 | error_propagate(errp, err); | |
383 | goto fail; | |
384 | } | |
385 | error_free(err); | |
386 | err = NULL; | |
387 | ||
54fde4ff | 388 | blockdev_remove_medium(device, id, &err); |
12c929bc KW |
389 | if (err) { |
390 | error_propagate(errp, err); | |
391 | goto fail; | |
392 | } | |
393 | ||
394 | qmp_blockdev_insert_anon_medium(blk, medium_bs, &err); | |
395 | if (err) { | |
396 | error_propagate(errp, err); | |
397 | goto fail; | |
398 | } | |
399 | ||
54fde4ff | 400 | qmp_blockdev_close_tray(device, id, errp); |
12c929bc KW |
401 | |
402 | fail: | |
403 | /* If the medium has been inserted, the device has its own reference, so | |
404 | * ours must be relinquished; and if it has not been inserted successfully, | |
405 | * the reference must be relinquished anyway */ | |
406 | bdrv_unref(medium_bs); | |
407 | } | |
408 | ||
54fde4ff | 409 | void qmp_eject(const char *device, const char *id, |
12c929bc KW |
410 | bool has_force, bool force, Error **errp) |
411 | { | |
412 | Error *local_err = NULL; | |
413 | int rc; | |
414 | ||
415 | if (!has_force) { | |
416 | force = false; | |
417 | } | |
418 | ||
54fde4ff | 419 | rc = do_open_tray(device, id, force, &local_err); |
12c929bc KW |
420 | if (rc && rc != -ENOSYS) { |
421 | error_propagate(errp, local_err); | |
422 | return; | |
423 | } | |
424 | error_free(local_err); | |
425 | ||
54fde4ff | 426 | blockdev_remove_medium(device, id, errp); |
12c929bc KW |
427 | } |
428 | ||
429 | /* throttling disk I/O limits */ | |
430 | void qmp_block_set_io_throttle(BlockIOThrottle *arg, Error **errp) | |
431 | { | |
432 | ThrottleConfig cfg; | |
433 | BlockDriverState *bs; | |
434 | BlockBackend *blk; | |
435 | AioContext *aio_context; | |
436 | ||
54fde4ff | 437 | blk = qmp_get_blk(arg->device, arg->id, errp); |
12c929bc KW |
438 | if (!blk) { |
439 | return; | |
440 | } | |
441 | ||
442 | aio_context = blk_get_aio_context(blk); | |
443 | aio_context_acquire(aio_context); | |
444 | ||
445 | bs = blk_bs(blk); | |
446 | if (!bs) { | |
447 | error_setg(errp, "Device has no medium"); | |
448 | goto out; | |
449 | } | |
450 | ||
451 | throttle_config_init(&cfg); | |
452 | cfg.buckets[THROTTLE_BPS_TOTAL].avg = arg->bps; | |
453 | cfg.buckets[THROTTLE_BPS_READ].avg = arg->bps_rd; | |
454 | cfg.buckets[THROTTLE_BPS_WRITE].avg = arg->bps_wr; | |
455 | ||
456 | cfg.buckets[THROTTLE_OPS_TOTAL].avg = arg->iops; | |
457 | cfg.buckets[THROTTLE_OPS_READ].avg = arg->iops_rd; | |
458 | cfg.buckets[THROTTLE_OPS_WRITE].avg = arg->iops_wr; | |
459 | ||
460 | if (arg->has_bps_max) { | |
461 | cfg.buckets[THROTTLE_BPS_TOTAL].max = arg->bps_max; | |
462 | } | |
463 | if (arg->has_bps_rd_max) { | |
464 | cfg.buckets[THROTTLE_BPS_READ].max = arg->bps_rd_max; | |
465 | } | |
466 | if (arg->has_bps_wr_max) { | |
467 | cfg.buckets[THROTTLE_BPS_WRITE].max = arg->bps_wr_max; | |
468 | } | |
469 | if (arg->has_iops_max) { | |
470 | cfg.buckets[THROTTLE_OPS_TOTAL].max = arg->iops_max; | |
471 | } | |
472 | if (arg->has_iops_rd_max) { | |
473 | cfg.buckets[THROTTLE_OPS_READ].max = arg->iops_rd_max; | |
474 | } | |
475 | if (arg->has_iops_wr_max) { | |
476 | cfg.buckets[THROTTLE_OPS_WRITE].max = arg->iops_wr_max; | |
477 | } | |
478 | ||
479 | if (arg->has_bps_max_length) { | |
480 | cfg.buckets[THROTTLE_BPS_TOTAL].burst_length = arg->bps_max_length; | |
481 | } | |
482 | if (arg->has_bps_rd_max_length) { | |
483 | cfg.buckets[THROTTLE_BPS_READ].burst_length = arg->bps_rd_max_length; | |
484 | } | |
485 | if (arg->has_bps_wr_max_length) { | |
486 | cfg.buckets[THROTTLE_BPS_WRITE].burst_length = arg->bps_wr_max_length; | |
487 | } | |
488 | if (arg->has_iops_max_length) { | |
489 | cfg.buckets[THROTTLE_OPS_TOTAL].burst_length = arg->iops_max_length; | |
490 | } | |
491 | if (arg->has_iops_rd_max_length) { | |
492 | cfg.buckets[THROTTLE_OPS_READ].burst_length = arg->iops_rd_max_length; | |
493 | } | |
494 | if (arg->has_iops_wr_max_length) { | |
495 | cfg.buckets[THROTTLE_OPS_WRITE].burst_length = arg->iops_wr_max_length; | |
496 | } | |
497 | ||
498 | if (arg->has_iops_size) { | |
499 | cfg.op_size = arg->iops_size; | |
500 | } | |
501 | ||
502 | if (!throttle_is_valid(&cfg, errp)) { | |
503 | goto out; | |
504 | } | |
505 | ||
506 | if (throttle_enabled(&cfg)) { | |
507 | /* Enable I/O limits if they're not enabled yet, otherwise | |
508 | * just update the throttling group. */ | |
509 | if (!blk_get_public(blk)->throttle_group_member.throttle_state) { | |
54fde4ff MA |
510 | blk_io_limits_enable(blk, arg->group ?: arg->device ?: arg->id); |
511 | } else if (arg->group) { | |
12c929bc KW |
512 | blk_io_limits_update_group(blk, arg->group); |
513 | } | |
514 | /* Set the new throttling configuration */ | |
515 | blk_set_io_limits(blk, &cfg); | |
516 | } else if (blk_get_public(blk)->throttle_group_member.throttle_state) { | |
517 | /* If all throttling settings are set to 0, disable I/O limits */ | |
518 | blk_io_limits_disable(blk); | |
519 | } | |
520 | ||
521 | out: | |
522 | aio_context_release(aio_context); | |
523 | } | |
524 | ||
525 | void qmp_block_latency_histogram_set( | |
526 | const char *id, | |
527 | bool has_boundaries, uint64List *boundaries, | |
528 | bool has_boundaries_read, uint64List *boundaries_read, | |
529 | bool has_boundaries_write, uint64List *boundaries_write, | |
52eb76f4 | 530 | bool has_boundaries_append, uint64List *boundaries_append, |
12c929bc KW |
531 | bool has_boundaries_flush, uint64List *boundaries_flush, |
532 | Error **errp) | |
533 | { | |
534 | BlockBackend *blk = qmp_get_blk(NULL, id, errp); | |
535 | BlockAcctStats *stats; | |
536 | int ret; | |
537 | ||
538 | if (!blk) { | |
539 | return; | |
540 | } | |
541 | ||
542 | stats = blk_get_stats(blk); | |
543 | ||
544 | if (!has_boundaries && !has_boundaries_read && !has_boundaries_write && | |
545 | !has_boundaries_flush) | |
546 | { | |
547 | block_latency_histograms_clear(stats); | |
548 | return; | |
549 | } | |
550 | ||
551 | if (has_boundaries || has_boundaries_read) { | |
552 | ret = block_latency_histogram_set( | |
553 | stats, BLOCK_ACCT_READ, | |
554 | has_boundaries_read ? boundaries_read : boundaries); | |
555 | if (ret) { | |
556 | error_setg(errp, "Device '%s' set read boundaries fail", id); | |
557 | return; | |
558 | } | |
559 | } | |
560 | ||
561 | if (has_boundaries || has_boundaries_write) { | |
562 | ret = block_latency_histogram_set( | |
563 | stats, BLOCK_ACCT_WRITE, | |
564 | has_boundaries_write ? boundaries_write : boundaries); | |
565 | if (ret) { | |
566 | error_setg(errp, "Device '%s' set write boundaries fail", id); | |
567 | return; | |
568 | } | |
569 | } | |
570 | ||
52eb76f4 SL |
571 | if (has_boundaries || has_boundaries_append) { |
572 | ret = block_latency_histogram_set( | |
573 | stats, BLOCK_ACCT_ZONE_APPEND, | |
574 | has_boundaries_append ? boundaries_append : boundaries); | |
575 | if (ret) { | |
576 | error_setg(errp, "Device '%s' set append write boundaries fail", id); | |
577 | return; | |
578 | } | |
579 | } | |
580 | ||
12c929bc KW |
581 | if (has_boundaries || has_boundaries_flush) { |
582 | ret = block_latency_histogram_set( | |
583 | stats, BLOCK_ACCT_FLUSH, | |
584 | has_boundaries_flush ? boundaries_flush : boundaries); | |
585 | if (ret) { | |
586 | error_setg(errp, "Device '%s' set flush boundaries fail", id); | |
587 | return; | |
588 | } | |
589 | } | |
590 | } |