geom/virstor/g_virstor.c

121 static void dump_component(struct g_virstor_component *comp);
664 clear_metadata(struct g_virstor_component *comp)
670 	    comp->gcons->provider->name);
672 	error = g_access(comp->gcons, 0, 1, 0);
675 	buf = malloc(comp->gcons->provider->sectorsize, M_GVIRSTOR,
677 	error = g_write_data(comp->gcons,
678 	    comp->gcons->provider->mediasize -
679 	    comp->gcons->provider->sectorsize,
681 	    comp->gcons->provider->sectorsize);
683 	g_access(comp->gcons, 0, -1, 0);
893 remove_component(struct g_virstor_softc *sc, struct g_virstor_component *comp,
898 	KASSERT(comp->gcons != NULL, ("Component with no consumer in %s",
900 	c = comp->gcons;
902 	comp->gcons = NULL;
1392 	struct g_virstor_component *comp;
1401 	comp = cp->private;
1402 	KASSERT(comp != NULL, ("%s: No component in private part of consumer",
1404 	remove_component(sc, comp, FALSE);
1485 		struct g_virstor_component *comp;
1487 		comp = cp->private;
1488 		if (comp == NULL)
1491 		    indent, comp->index);
1493 		    indent, comp->chunk_count);
1495 		    indent, comp->chunk_next);
1497 		    indent, comp->chunk_reserved);
1500 		    comp->chunk_next > 0 ? 100 -
1501 		    ((comp->chunk_next + comp->chunk_reserved) * 100) /
1502 		    comp->chunk_count : 100);
1582 	struct g_virstor_component *comp;
1636 				comp = &sc->components[me->provider_no];
1646 				cb->bio_to = comp->gcons->provider;
1653 				cb->bio_caller1 = comp;
1670 				error = allocate_chunk(sc, &comp, &comp_no,
1703 				    comp->gcons->provider->name,
1748 			comp = &sc->components[me->provider_no];
1758 			cb->bio_to = comp->gcons->provider;
1764 			cb->bio_caller1 = comp;
1777 		comp = cb->bio_caller1;
1781 		g_io_request(cb, comp->gcons);
1796 allocate_chunk(struct g_virstor_softc *sc, struct g_virstor_component **comp,
1805 	*comp = &sc->components[comp_no];
1806 	dump_component(*comp);
1807 	if ((*comp)->chunk_next >= (*comp)->chunk_count) {
1814 		(*comp)->flags &= ~VIRSTOR_PROVIDER_CURRENT;
1817 		*comp = &sc->components[comp_no];
1822 			    (*comp)->gcons->provider->name);
1824 		if ( (*comp)->chunk_reserved > 0 &&
1825 		    (*comp)->chunk_next < (*comp)->chunk_reserved)
1826 			(*comp)->chunk_next = (*comp)->chunk_reserved;
1828 		(*comp)->flags |=
1830 		dump_component(*comp);
1832 		*chunk = (*comp)->chunk_next++;
1835 		*chunk = (*comp)->chunk_next++;
1842 dump_component(struct g_virstor_component *comp)
1847 	printf("Component %d: %s\n", comp->index, comp->gcons->provider->name);
1848 	printf("  chunk_count: %u\n", comp->chunk_count);
1849 	printf("   chunk_next: %u\n", comp->chunk_next);
1850 	printf("        flags: %u\n", comp->flags);