geom/multipath/g_multipath.c

125 g_multipath_good(struct g_geom *gp)
130 	LIST_FOREACH(cp, &gp->consumer, consumer) {
142 	struct g_geom *gp;
144 	gp = cp->geom;
145 	sc = gp->softc;
147 	if (g_multipath_good(gp) == 0 && sc->sc_ndisks > 0) {
148 		LIST_FOREACH(lcp, &gp->consumer, consumer) {
165 	LIST_FOREACH(lcp, &gp->consumer, consumer) {
181 g_multipath_choose(struct g_geom *gp, struct bio *bp)
186 	sc = gp->softc;
191 	LIST_FOREACH(cp, &gp->consumer, consumer) {
207 	struct g_geom *gp;
214 	gp = cp->geom;
225 	sc = gp->softc;
229 		    cp->provider->name, gp->name);
231 		    gp->name, cp->provider->name);
236 	if (LIST_EMPTY(&gp->consumer))
237 		g_multipath_destroy(gp);
268 	struct g_geom *gp;
277 	gp = cp->geom;
279 	sc = gp->softc;
290 		LIST_FOREACH(cp1, &gp->consumer, consumer) {
314 			g_multipath_destroy(gp);
341 	struct g_geom *gp;
346 	gp = bp->bio_to->geom;
347 	sc = gp->softc;
355 	cp = g_multipath_choose(gp, bp);
409 	struct g_geom *gp;
424 	gp = pbp->bio_to->geom;
425 	sc = gp->softc;
489 	struct g_geom *gp;
494 	gp = pp->geom;
499 	LIST_FOREACH(cp, &gp->consumer, consumer) {
513 	sc = gp->softc;
516 		g_multipath_destroy(gp);
521 	LIST_FOREACH(cp, &gp->consumer, consumer) {
536 	struct g_geom *gp;
541 	LIST_FOREACH(gp, &mp->geom, geom) {
542 		sc = gp->softc;
545 		if (strcmp(gp->name, md->md_name) == 0) {
552 	gp = g_new_geomf(mp, "%s", md->md_name);
559 	gp->softc = sc;
560 	gp->start = g_multipath_start;
561 	gp->orphan = g_multipath_orphan;
562 	gp->resize = g_multipath_resize;
563 	gp->access = g_multipath_access;
564 	gp->dumpconf = g_multipath_dumpconf;
566 	pp = g_new_providerf(gp, "multipath/%s", md->md_name);
575 	printf("GEOM_MULTIPATH: %s created\n", gp->name);
576 	return (gp);
580 g_multipath_add_disk(struct g_geom *gp, struct g_provider *pp)
588 	sc = gp->softc;
594 	LIST_FOREACH(cp, &gp->consumer, consumer) {
600 		    pp->name, gp->name);
603 	cp = g_new_consumer(gp);
665 g_multipath_destroy(struct g_geom *gp)
671 	if (gp->softc == NULL)
673 	sc = gp->softc;
675 		printf("GEOM_MULTIPATH: destroying %s\n", gp->name);
683 	LIST_FOREACH_SAFE(cp, &gp->consumer, consumer, cp1) {
694 	if (!LIST_EMPTY(&gp->consumer))
697 	g_free(gp->softc);
698 	gp->softc = NULL;
699 	printf("GEOM_MULTIPATH: %s destroyed\n", gp->name);
700 	g_wither_geom(gp, ENXIO);
706     struct g_geom *gp)
709 	return (g_multipath_destroy(gp));
713 g_multipath_rotate(struct g_geom *gp)
716 	struct g_multipath_softc *sc = gp->softc;
722 	LIST_FOREACH(lcp, &gp->consumer, consumer) {
819 	struct g_geom *gp, *gp1;
824 	gp = g_new_geomf(mp, "multipath:taste");
825 	gp->start = g_multipath_start;
826 	gp->access = g_multipath_access;
827 	gp->orphan = g_multipath_orphan;
828 	cp = g_new_consumer(gp);
836 	g_destroy_geom(gp);
839 	gp = NULL;
872 	LIST_FOREACH(gp, &mp->geom, geom) {
873 		sc = gp->softc;
881 		if (gp1 == gp)
891 	 * If gp is NULL, we had no extant MULTIPATH geom with this uuid.
896 	 * If gp is NULL, then modify the name with a random number and
899 	 * If gp is *not* NULL, just use the geom's name as we're attaching
905 		if (gp == NULL) {
920 	if (gp == NULL) {
921 		gp = g_multipath_create(mp, &md);
922 		if (gp == NULL) {
932 	sc = gp->softc;
934 	error = g_multipath_add_disk(gp, pp);
937 			g_multipath_destroy(gp);
940 	return (gp);
948 	struct g_geom *gp;
962 	gp = g_multipath_find_geom(mp, mpname);
963 	if (gp == NULL) {
967 	sc = gp->softc;
980 	LIST_FOREACH(cp, &gp->consumer, consumer) {
1003 	error = g_multipath_add_disk(gp, pp);
1011 	struct g_geom *gp;
1025 	gp = g_multipath_find_geom(mp, mpname);
1026 	if (gp == NULL) {
1030 	sc = gp->softc;
1051 	LIST_FOREACH(cp, &gp->consumer, consumer) {
1083 	struct g_geom *gp;
1091 	gp = g_multipath_find_geom(mp, mpname);
1092 	if (gp == NULL) {
1110 	struct g_geom *gp;
1128 	gp = g_multipath_find_geom(mp, mpname);
1129 	if (gp != NULL) {
1148 	gp = g_multipath_create(mp, &md);
1149 	if (gp == NULL) {
1154 	sc = gp->softc;
1163 		g_multipath_destroy(gp);
1170 	struct g_geom *gp;
1184 	gp = g_multipath_find_geom(mp, name);
1185 	if (gp == NULL) {
1189 	sc = gp->softc;
1220 	struct g_geom *gp;
1230 	gp = g_multipath_find_geom(mp, mpname);
1231 	if (gp == NULL) {
1235 	sc = gp->softc;
1245 	LIST_FOREACH(cp, &gp->consumer, consumer) {
1274 	struct g_geom *gp;
1285 	gp = g_multipath_find_geom(mp, mpname);
1286 	if (gp == NULL) {
1290 	sc = gp->softc;
1300 	LIST_FOREACH_SAFE(cp, &gp->consumer, consumer, cp1) {
1330 	struct g_geom *gp;
1333 	LIST_FOREACH(gp, &mp->geom, geom) {
1334 		sc = gp->softc;
1337 		if (strcmp(gp->name, name) == 0)
1338 			return (gp);
1346 	struct g_geom *gp;
1357 	gp = g_multipath_find_geom(mp, name);
1358 	if (gp == NULL) {
1362 	error = g_multipath_destroy(gp);
1370 	struct g_geom *gp;
1385 	gp = g_multipath_find_geom(mp, name);
1386 	if (gp == NULL) {
1390 	sc = gp->softc;
1412 	error = g_multipath_destroy(gp);
1420 	struct g_geom *gp;
1431 	gp = g_multipath_find_geom(mp, name);
1432 	if (gp == NULL) {
1436 	error = g_multipath_rotate(gp);
1446 	struct g_geom *gp;
1460 	gp = g_multipath_find_geom(mp, name);
1461 	if (gp == NULL) {
1465 	sc = gp->softc;
1468 		LIST_FOREACH(cp, &gp->consumer, consumer) {
1527 g_multipath_dumpconf(struct sbuf *sb, const char *indent, struct g_geom *gp,
1535 	sc = gp->softc;
1547 		good = g_multipath_good(gp);