SZ_SG_IO_HDR
} else if (count < SZ_SG_IO_HDR) {
if (count < SZ_SG_IO_HDR)
result = sg_new_write(sfp, filp, p, SZ_SG_IO_HDR,
result = sg_new_read(sfp, p, SZ_SG_IO_HDR, srp);