diff options
Diffstat (limited to 'lib/kobject.c')
| -rw-r--r-- | lib/kobject.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/kobject.c b/lib/kobject.c index 1d46c151a4ae..962175134702 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -931,6 +931,21 @@ 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) { |