Add g_topology_locked() macro that returns true if we already hold th…

…e GEOM topology lock.
freebsd · Apr 25, 2020 · c41a141 · c41a141
1 parent 9c5723d
commit c41a141
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/sys/geom/geom.h b/sys/geom/geom.h
@@ -395,6 +395,8 @@ g_free(void *ptr)
 		sx_xunlock(&topology_lock);			\
 	} while (0)
 
+#define g_topology_locked()	sx_xlocked(&topology_lock)
+
 #define g_topology_assert()					\
 	do {							\
 		sx_assert(&topology_lock, SX_XLOCKED);		\