d_ancestor 2813 fs/dcache.c BUG_ON(d_ancestor(target, dentry)); d_ancestor 2815 fs/dcache.c p = d_ancestor(old_parent, target); d_ancestor 3016 fs/dcache.c if (unlikely(d_ancestor(new, dentry))) { d_ancestor 3081 fs/dcache.c if (d_ancestor(old_dentry, new_dentry)) d_ancestor 2859 fs/namei.c p = d_ancestor(p2, p1); d_ancestor 2866 fs/namei.c p = d_ancestor(p1, p2); d_ancestor 275 include/linux/dcache.h extern struct dentry *d_ancestor(struct dentry *, struct dentry *);