X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fnamespace.h;h=6731977c4c13a00e39a251a12d7be31311960062;hb=43cefe29d497c2a9d3c7eae89964260e7b35149e;hp=697991b69f9b6d09e7d18f087490e66b018a78d1;hpb=7ca6448dbfb398bba36eda3c01bc14b86c3675be;p=linux-2.6

diff --git a/include/linux/namespace.h b/include/linux/namespace.h
index 697991b69f..6731977c4c 100644
--- a/include/linux/namespace.h
+++ b/include/linux/namespace.h
@@ -9,7 +9,8 @@ struct namespace {
 	atomic_t		count;
 	struct vfsmount *	root;
 	struct list_head	list;
-	struct rw_semaphore	sem;
+	wait_queue_head_t poll;
+	int event;
 };
 
 extern int copy_namespace(int, struct task_struct *);
@@ -17,7 +18,8 @@ extern void __put_namespace(struct namespace *namespace);
 
 static inline void put_namespace(struct namespace *namespace)
 {
-	if (atomic_dec_and_test(&namespace->count))
+	if (atomic_dec_and_lock(&namespace->count, &vfsmount_lock))
+		/* releases vfsmount_lock */
 		__put_namespace(namespace);
 }