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    SubjectRe: [RFC] Union Mount: Readdir approaches
    Date

    Hello Jeff,

    "Josef 'Jeff' Sipek":
    > Unless I missunderstood something, Unionfs uses the same approach. Even
    > Unionfs's ODF branch does the same thing. The major difference is that we
    > keep the cache in a file on a disk.

    The approach unionfs-2.1.2 took differs from mine.
    Major difference is,
    - in this approach, the cache in struct file is the completed virtual
    disk block for the dir.
    - readdir doesn't have to call vfs_readdir when the cache exists and is
    valid. simply calls filldir.
    - it supports SEEK_END.


    Junjiro Okajima
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