MIN_NFS_TSIZE
if (mi->mi_curread > MIN_NFS_TSIZE) {
if (mi->mi_curread < MIN_NFS_TSIZE)
mi->mi_curread = MIN_NFS_TSIZE;
if (mi->mi_curwrite > MIN_NFS_TSIZE) {
if (mi->mi_curwrite < MIN_NFS_TSIZE)
mi->mi_curwrite = MIN_NFS_TSIZE;
mi->mi_curread += MIN_NFS_TSIZE;
mi->mi_curwrite += MIN_NFS_TSIZE;