ovl_lower_positive 827 fs/overlayfs/dir.c bool lower_positive = ovl_lower_positive(dentry); ovl_lower_positive 1062 fs/overlayfs/dir.c if (ovl_lower_positive(old)) { ovl_lower_positive 321 fs/overlayfs/overlayfs.h bool ovl_lower_positive(struct dentry *dentry);