#include struct mount { struct list_head mnt_hash; struct vfsmount *mnt_parent; struct vfsmount mnt; }; static inline struct mount *real_mount(struct vfsmount *mnt) { return container_of(mnt, struct mount, mnt); } static inline int mnt_has_parent(struct mount *mnt) { return &mnt->mnt != mnt->mnt_parent; } extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *, int);