From a500538d00eed09c74c769c7c94a26119960864f Mon Sep 17 00:00:00 2001
From: phk <phk@FreeBSD.org>
Date: Mon, 4 Nov 2002 09:31:02 +0000
Subject: Polish a bit here and there. Reenable the geom.ctl device so people
 can play with gbde.

Sponsored by:	DARPA & NAI Labs
---
 sys/geom/geom_event.c | 20 +++++++++++++-------
 sys/geom/geom_subr.c  |  8 +++++---
 2 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/sys/geom/geom_event.c b/sys/geom/geom_event.c
index 34a836e..7a235f4 100644
--- a/sys/geom/geom_event.c
+++ b/sys/geom/geom_event.c
@@ -182,6 +182,9 @@ g_do_event(struct g_event *ep)
 		LIST_FOREACH(mp, &g_classes, class) {
 			if (mp->taste == NULL)
 				continue;
+			if (!strcmp(ep->provider->name, "geom.ctl") &&
+			    strcmp(mp->name, "DEV"))
+				continue;
 			i = 1;
 			LIST_FOREACH(cp, &ep->provider->consumers, consumers)
 				if(cp->geom->class == mp)
@@ -250,12 +253,11 @@ one_event(void)
 	if (ep->consumer != NULL)
 		ep->consumer->event = NULL;
 	g_do_event(ep);
+	g_destroy_event(ep);
 	g_pending_events--;
-	if (g_pending_events == 0) {
+	if (g_pending_events == 0)
 		wakeup(&g_pending_events);
-	}
 	g_topology_unlock();
-	g_destroy_event(ep);
 	return (1);
 }
 
@@ -279,22 +281,26 @@ g_post_event(enum g_events ev, struct g_class *mp, struct g_geom *gp, struct g_p
 	ep->event = ev;
 	if (mp != NULL) {
 		ep->class = mp;
-		KASSERT(mp->event == NULL, ("Double event on class"));
+		KASSERT(mp->event == NULL, ("Double event on class %d %d",
+		    ep->event, mp->event->event));
 		mp->event = ep;
 	}
 	if (gp != NULL) {
 		ep->geom = gp;
-		KASSERT(gp->event == NULL, ("Double event on geom"));
+		KASSERT(gp->event == NULL, ("Double event on geom %d %d",
+		    ep->event, gp->event->event));
 		gp->event = ep;
 	}
 	if (pp != NULL) {
 		ep->provider = pp;
-		KASSERT(pp->event == NULL, ("Double event on provider"));
+		KASSERT(pp->event == NULL, ("Double event on provider %s %d %d",
+		    pp->name, ep->event, pp->event->event));
 		pp->event = ep;
 	}
 	if (cp != NULL) {
 		ep->consumer = cp;
-		KASSERT(cp->event == NULL, ("Double event on consumer"));
+		KASSERT(cp->event == NULL, ("Double event on consumer %d %d",
+		    ep->event, cp->event->event));
 		cp->event = ep;
 	}
 	mtx_lock(&g_eventlock);
diff --git a/sys/geom/geom_subr.c b/sys/geom/geom_subr.c
index f0b213a..e134fd9 100644
--- a/sys/geom/geom_subr.c
+++ b/sys/geom/geom_subr.c
@@ -190,8 +190,7 @@ g_new_providerf(struct g_geom *gp, char *fmt, ...)
 	pp->geom = gp;
 	LIST_INSERT_HEAD(&gp->provider, pp, provider);
 	g_nproviders++;
-	if (strcmp(pp->name, "geom.ctl"))
-		g_post_event(EV_NEW_PROVIDER, NULL, NULL, pp, NULL);
+	g_post_event(EV_NEW_PROVIDER, NULL, NULL, pp, NULL);
 	return (pp);
 }
 
@@ -435,7 +434,8 @@ g_access_rel(struct g_consumer *cp, int dcr, int dcw, int dce)
 	 */
 	if (pp->acw == 0 && dcw != 0)
 		g_spoil(pp, cp);
-	else if (pp->acw != 0 && pp->acw == -dcw && !(pp->geom->flags & G_GEOM_WITHER))
+	else if (pp->acw != 0 && pp->acw == -dcw && 
+	    !(pp->geom->flags & G_GEOM_WITHER))
 		g_post_event(EV_NEW_PROVIDER, NULL, NULL, pp, NULL);
 
 	error = pp->geom->access(pp, dcr, dcw, dce);
@@ -547,6 +547,8 @@ g_spoil(struct g_provider *pp, struct g_consumer *cp)
 
 	g_topology_assert();
 
+	if (!strcmp(pp->name, "geom.ctl"))
+		return;
 	LIST_FOREACH(cp2, &pp->consumers, consumers) {
 		if (cp2 == cp)
 			continue;
-- 
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