zio_flags |= ZIO_FLAG_RAW;
}
+ /* We don't need data L1 buffer since we do not prefetch L0. */
+ blkptr_t *bp = &spic->spic_bp;
+ if (BP_GET_LEVEL(bp) == 1 && BP_GET_TYPE(bp) != DMU_OT_DNODE &&
+ BP_GET_TYPE(bp) != DMU_OT_OBJSET)
+ flags |= ARC_FLAG_NO_BUF;
+
/* issue the prefetch asynchronously */
- (void) arc_read(scn->scn_zio_root, scn->scn_dp->dp_spa,
- &spic->spic_bp, dsl_scan_prefetch_cb, spic->spic_spc,
- ZIO_PRIORITY_SCRUB, zio_flags, &flags, &spic->spic_zb);
+ (void) arc_read(scn->scn_zio_root, spa, bp,
+ dsl_scan_prefetch_cb, spic->spic_spc, ZIO_PRIORITY_SCRUB,
+ zio_flags, &flags, &spic->spic_zb);
kmem_free(spic, sizeof (scan_prefetch_issue_ctx_t));
}