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    SubjectRe: [PATCH v2] d_ino considered harmful

    Andreas Dilger:
    > As the name implies, it is very extN specific. For Lustre 2.0 we use a
    > different method to get O(1) FID (inode number) to pathname(s)
    > lookup. Each file stores an xattr with the {parent FID, filename}
    > tuples for each link to the file, whenever an inode is created,
    > linked, unlinked, or renamed.

    Honestly speaking, this approach is the one which came to my mind when I
    read David's mail. Andreas's approach and explanation is perfect as I
    should admire.

    Thank you
    J. R. Okajima

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