[ofa-general] IO Size more than 48K

[Vu Pham]

> Hi,
> We are using OFED-1.2, and using xdd and some other tools, and trying to
> send 1/2MB IOs, but what we are seeing in analyzer traces, that memory
> descriptor in SRP command shows max. 48K which means 1MB I/Os has broken
> into smaller SRP request from initiator.
> How can I have this I/O directly going to target? What parameter I need
> to change?
>
>   

module param srp_sg_tablesize (default is 12 ie. 12 x 4K = 48K)
and/or
max_sect=yyy in echo id_ext=xxx,...,max_sect=1024,service_id= > 
/sys/class/infiniband_srp/...

-vu

> Thanks
> Ashish
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