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    SubjectRe: still nfs problems [Was: Linux 2.6.37-rc8]
    On Thu, Jan 06, 2011 at 11:40:13AM -0600, James Bottomley wrote:
    > On Wed, 2011-01-05 at 23:28 +0000, James Bottomley wrote:
    > > Can you explain how the code works? it looks to me like you read the xdr
    > > stuff through the vmap region then write it out directly to the pages?
    > OK, I think I see how this is supposed to work: It's a sequential loop
    > of reading in via the pages (i.e. through the kernel mapping) and then
    > updating those pages via the vmap. In which case, I think this patch is
    > what you need.
    > The theory of operation is that the readdir on pages actually uses the
    > network DMA operations to perform, so when it's finished, the underlying

    What network DMA operations - what if your NIC doesn't do DMA because
    it's an SMSC device?

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      Last update: 2011-01-06 19:09    [W:0.021 / U:28.844 seconds]
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