ovl_lookup_index  458 fs/overlayfs/export.c 		index = ovl_lookup_index(ofs, NULL, real, false);
ovl_lookup_index 1037 fs/overlayfs/namei.c 		index = ovl_lookup_index(ofs, upperdentry, origin, true);
ovl_lookup_index  316 fs/overlayfs/overlayfs.h struct dentry *ovl_lookup_index(struct ovl_fs *ofs, struct dentry *upper,