[Lustre-discuss] HW RAID - fragmented I/O

[Kevin Van Maren]

Wojciech Turek wrote:
> Hi Kevin,
>
> In my kernel .config I find following lines
>
> CONFIG_SCSI_MPT2SAS=m
> CONFIG_SCSI_MPT2SAS_MAX_SGE=128
> CONFIG_SCSI_MPT2SAS_LOGGING=y
>
> I changed SGE value to 256
>
> Do I need to recompile the Kernel before building new module based on 
> that .config?

No, but you do need to do something like "make oldconfig" to propagate 
the change in .config to the header files, and then rebuild the driver.

Kevin