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    SubjectRe: [RFC] sane access to per-fs metadata (was Re: [PATCH] Documentation/ioctl-number.txt)
    Date (Chip Salzenberg) writes:

    > AFAIK, Alex Viro's idea of bindable namespaces provides effective
    > transaction support *ONLY* if there are per-process bindings. With
    > per-process bindings, each client that opens a connection does so
    > through a distinct binding; when that client's responses go back
    > through the same binding, only that client can see them.

    Not really. We can both open /proc/partitions, read one char at a
    time, and the kernel won't confuse our read positions. Different
    file opens create different instances of state. See struct file,
    void *private_data for how to store arbitrary data.

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