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    SubjectRe: Solaris ZFS on Linux [Was: Re: the " 'official' point of view"expressed by kernelnewbies.org regarding reiser4 inclusion]
    Matthias Andree wrote:
    >
    > On Tue, 01 Aug 2006, Avi Kivity wrote:
    >
    > > There's no reason to repack *all* of the data. Many workloads write
    > and
    > > delete whole files, so file data should be contiguous. The repacker
    > > would only need to move metadata and small files.
    >
    > Move small files? What for?
    >

    WAFL-style filesystems like contiguous space, so if small files are
    scattered in otherwise free space, the repacker should free them.

    > Even if it is "only" moving metadata, it is not different from what ext3
    > or xfs are doing today (rewriting metadata from the intent log or block
    > journal to the final location).
    >

    There is no need to repack all metadata; only that which helps in
    creating free space.

    For example: if you untar a source tree you'd get mixed metadata and
    small file data packed together, but there's no need to repack that data.


    --
    error compiling committee.c: too many arguments to function

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