MPI2_SGE_IO_UNION
/ sizeof(union MPI2_SGE_IO_UNION);
sizeof(union MPI2_SGE_IO_UNION))/16;
sg_chain->Length = cpu_to_le32((sizeof(union MPI2_SGE_IO_UNION) * (sge_count - sg_processed)));
(fusion->max_sge_in_main_msg * sizeof(union MPI2_SGE_IO_UNION)));
union MPI2_SGE_IO_UNION *sg_frame;
union MPI2_SGE_IO_UNION SGL; /* 0x80 */
DECLARE_FLEX_ARRAY(union MPI2_SGE_IO_UNION, SGLs);
MPI2_SGE_IO_UNION PageBufferSGE; /*0x1C */
MPI2_SGE_IO_UNION SGL; /*0x60 */