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    SubjectRe: [NFS] [GIT] NFS client update for 2.6.16
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    On Tue, 2006-03-21 at 17:46 +0000, Christoph Hellwig wrote:
    > > commit 47989d7454398827500d0e73766270986a3b488f
    > > Author: Chuck Lever <cel@netapp.com>
    > > Date: Mon Mar 20 13:44:32 2006 -0500
    > >
    > > NFS: remove support for multi-segment iovs in the direct write path
    > >
    > > Eliminate the persistent use of automatic storage in all parts of the
    > > NFS client's direct write path to pave the way for introducing support
    > > for aio against files opened with the O_DIRECT flag.
    >
    > NACK. We have patches pending that consolidate ->aio_read/write and
    > ->read/writev into one operation. this change is completely counterproductive
    > towards that goal which has been discussed on -fsdevel for a while.

    How so? The interface is _exactly_ the same as before.

    We never had support for multiple iovecs in O_DIRECT, but were passing
    around a single iovec entry deep into code that couldn't care less.

    Cheers,
    Trond

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