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    SubjectRe: [PATCH 0/12] FS-Cache: Generic filesystem caching facility
    Linus Torvalds wrote:
    > And if it _is_ properly named (ie it really does mean "this entry
    > positively does not exist") then it shouldn't have the same
    > representation as NULL, because NULL really is traditionally used
    > for "unknown" rather than "known to not exist".

    You mean like:

    > a negative dentry (dentry->d_inode = NULL) is another.

    ? :)

    -- Jamie
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