* Sanity check volume block size. */
| 378 | * Sanity check volume block size. |
| 379 | */ |
| 380 | int |
| 381 | zvol_check_volblocksize(const char *name, uint64_t volblocksize) |
| 382 | { |
| 383 | /* Record sizes above 128k need the feature to be enabled */ |
| 384 | if (volblocksize > SPA_OLD_MAXBLOCKSIZE) { |
| 385 | spa_t *spa; |
| 386 | int error; |
| 387 | |
| 388 | if ((error = spa_open(name, &spa, FTAG)) != 0) |
| 389 | return (error); |
| 390 | |
| 391 | if (!spa_feature_is_enabled(spa, SPA_FEATURE_LARGE_BLOCKS)) { |
| 392 | spa_close(spa, FTAG); |
| 393 | return (SET_ERROR(ENOTSUP)); |
| 394 | } |
| 395 | |
| 396 | /* |
| 397 | * We don't allow setting the property above 1MB, |
| 398 | * unless the tunable has been changed. |
| 399 | */ |
| 400 | if (volblocksize > zfs_max_recordsize) |
| 401 | return (SET_ERROR(EDOM)); |
| 402 | |
| 403 | spa_close(spa, FTAG); |
| 404 | } |
| 405 | |
| 406 | if (volblocksize < SPA_MINBLOCKSIZE || |
| 407 | volblocksize > SPA_MAXBLOCKSIZE || |
| 408 | !ISP2(volblocksize)) |
| 409 | return (SET_ERROR(EDOM)); |
| 410 | |
| 411 | return (0); |
| 412 | } |
| 413 | |
| 414 | /* |
| 415 | * Set ZFS_PROP_VOLBLOCKSIZE set entry point. |
no test coverage detected