Messages in this thread | | | Date | Tue, 9 Jan 2001 16:27:49 +0100 (CET) | Subject | Re: [PLEASE-TESTME] Zerocopy networking patch, 2.4.0-1 | From | Trond Myklebust <> |
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>>>>> David S Miller <davem@redhat.com> writes:
> I would have thought one of the main interests of doing > something like this would be to allow us to speed up large > writes to the socket for ncpfs/knfsd/nfs/smbfs/...
> This is what TCP_CORK/MSG_MORE et al. are all for, things get > coalesced perfectly. Sending in a vector of pages seems nice, > but none of the page cache infrastructure works like this, all > of the core routines work on a page at a time. It actually > simplifies a lot.
> The writepage interface optimizes large file writes to a socket > just fine.
OK, but can you eventually generalize it to non-stream protocols (i.e. UDP)? After all, it doesn't make sense to differentiate between zero-copy on stream and non-stream sockets, and Linux NFS, at least, remains heavily UDP-oriented...
Cheers, Trond - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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