Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator

From: David Miller
Date: Mon Aug 11 2008 - 17:53:29 EST


From: Roland Dreier <rdreier@xxxxxxxxx>
Date: Mon, 11 Aug 2008 14:41:16 -0700

> > > Probably depends on whether or not the iSCSI offload solutions are doing
> > > zero-copy receive into the filecache?
> >
> > That's a data placement issue, which also can be solved with
> > stateless offloading.
>
> How can you place iSCSI data properly with only stateless offloads?

By teaching the stateless offload how to parse the iSCSI headers
on the flow and place the data into pages at the correct offsets
such that you can place the pages hanging off of the SKB directly
into the page cache.
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