Add g_topology_locked() macro that returns true if we already hold the GEOM

topology lock.
2020-04-25 21:41:09 +00:00 · 2020-04-25 21:41:09 +00:00 · cefbc0d19b
commit cefbc0d19b
parent 61fbd61b59
1 changed files with 2 additions and 0 deletions
--- 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);		\