nfs_io_size
server->rsize = nfs_io_size(ctx->rsize, clp->cl_proto);
server->wsize = nfs_io_size(ctx->wsize, clp->cl_proto);
server->rsize = nfs_io_size(fsinfo->rtpref, clp->cl_proto);
server->wsize = nfs_io_size(fsinfo->wtpref, clp->cl_proto);
server->rsize = nfs_io_size(fsinfo->rtmax, clp->cl_proto);
server->wsize = nfs_io_size(fsinfo->wtmax, clp->cl_proto);
ds_versions[i].rsize = nfs_io_size(be32_to_cpup(p++),
ds_versions[i].wsize = nfs_io_size(be32_to_cpup(p++),
nfs_io_size(ctx->rsize, server->nfs_client->cl_proto);
nfs_io_size(ctx->wsize, server->nfs_client->cl_proto);