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-rw-r--r--lib/kobject.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/kobject.c b/lib/kobject.c
index 4a1f33d43548..3bbde222c90f 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -915,6 +915,21 @@ const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj)
return kobj_child_ns_ops(kobj->parent);
}
+bool kobj_ns_current_may_mount(enum kobj_ns_type type)
+{
+ bool may_mount = false;
+
+ if (type == KOBJ_NS_TYPE_NONE)
+ return true;
+
+ spin_lock(&kobj_ns_type_lock);
+ if ((type > KOBJ_NS_TYPE_NONE) && (type < KOBJ_NS_TYPES) &&
+ kobj_ns_ops_tbl[type])
+ may_mount = kobj_ns_ops_tbl[type]->current_may_mount();
+ spin_unlock(&kobj_ns_type_lock);
+
+ return may_mount;
+}
void *kobj_ns_grab_current(enum kobj_ns_type type)
{