Differential D24968 Diff 72717 head/sys/geom/geom_dev.c

Changeset View

Standalone View

head/sys/geom/geom_dev.c

Show First 20 Lines • Show All 330 Lines • ▼ Show 20 Lines	g_dev_taste(struct g_class mp, struct g_provider pp, int insist __unused)
struct g_geom *gp;		struct g_geom *gp;
struct g_geom_alias *gap;		struct g_geom_alias *gap;
struct g_consumer *cp;		struct g_consumer *cp;
struct g_dev_softc *sc;		struct g_dev_softc *sc;
int error;		int error;
struct cdev dev, adev;		struct cdev dev, adev;
char buf[SPECNAMELEN + 6];		char buf[SPECNAMELEN + 6];
struct make_dev_args args;		struct make_dev_args args;
		bool retaste;

g_trace(G_T_TOPOLOGY, "dev_taste(%s,%s)", mp->name, pp->name);		g_trace(G_T_TOPOLOGY, "dev_taste(%s,%s)", mp->name, pp->name);
g_topology_assert();		g_topology_assert();
		/* Only one geom_dev per provider. */
		LIST_FOREACH(cp, &pp->consumers, consumers) {
		if (cp->geom->class != mp \|\| (cp->flags & G_CF_SPOILED))
		continue;
		gp = cp->geom;
		sc = cp->private;
		dev = sc->sc_dev;
		retaste = true;
		goto aliases;
		}
gp = g_new_geomf(mp, "%s", pp->name);		gp = g_new_geomf(mp, "%s", pp->name);
sc = g_malloc(sizeof(*sc), M_WAITOK \| M_ZERO);		sc = g_malloc(sizeof(*sc), M_WAITOK \| M_ZERO);
mtx_init(&sc->sc_mtx, "g_dev", NULL, MTX_DEF);		mtx_init(&sc->sc_mtx, "g_dev", NULL, MTX_DEF);
cp = g_new_consumer(gp);		cp = g_new_consumer(gp);
cp->private = sc;		cp->private = sc;
cp->flags \|= G_CF_DIRECT_SEND \| G_CF_DIRECT_RECEIVE;		cp->flags \|= G_CF_DIRECT_SEND \| G_CF_DIRECT_RECEIVE;
error = g_attach(cp, pp);		error = g_attach(cp, pp);
KASSERT(error == 0,		KASSERT(error == 0,
Show All 25 Lines	g_dev_taste(struct g_class mp, struct g_provider pp, int insist __unused)
error = init_dumpdev(dev);		error = init_dumpdev(dev);
if (error != 0)		if (error != 0)
printf("%s: init_dumpdev() failed (gp->name=%s, error=%d)\n",		printf("%s: init_dumpdev() failed (gp->name=%s, error=%d)\n",
__func__, gp->name, error);		__func__, gp->name, error);

g_dev_attrchanged(cp, "GEOM::physpath");		g_dev_attrchanged(cp, "GEOM::physpath");
snprintf(buf, sizeof(buf), "cdev=%s", gp->name);		snprintf(buf, sizeof(buf), "cdev=%s", gp->name);
devctl_notify_f("GEOM", "DEV", "CREATE", buf, M_WAITOK);		devctl_notify_f("GEOM", "DEV", "CREATE", buf, M_WAITOK);
		retaste = false;
		aliases:
/*		/*
* Now add all the aliases for this drive		* Now add all the aliases for this drive
*/		*/
LIST_FOREACH(gap, &pp->aliases, ga_next) {		LIST_FOREACH(gap, &pp->aliases, ga_next) {
error = make_dev_alias_p(MAKEDEV_CHECKNAME \| MAKEDEV_WAITOK, &adev, dev,		error = make_dev_alias_p(MAKEDEV_CHECKNAME \| MAKEDEV_WAITOK, &adev, dev,
"%s", gap->ga_alias);		"%s", gap->ga_alias);
if (error) {		if (error) {
printf("%s: make_dev_alias_p() failed (name=%s, error=%d)\n",		/*
__func__, gap->ga_alias, error);		* With aliases added after initial taste, we don't
		* know which aliases are new in this retaste, so we
		* try to create all of them. EEXIST is expected and
		* silently ignored or else this becomes really spammy.
		*/
		if (error != EEXIST \|\| !retaste)
		printf("%s: make_dev_alias_p() failed (name=%s,"
		" error=%d)\n", __func__, gap->ga_alias,
		error);
continue;		continue;
}		}
snprintf(buf, sizeof(buf), "cdev=%s", gap->ga_alias);		snprintf(buf, sizeof(buf), "cdev=%s", gap->ga_alias);
devctl_notify_f("GEOM", "DEV", "CREATE", buf, M_WAITOK);		devctl_notify_f("GEOM", "DEV", "CREATE", buf, M_WAITOK);
}		}

return (gp);		return (gp);
}		}
▲ Show 20 Lines • Show All 500 Lines • Show Last 20 Lines