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    SubjectRe: Re: [RFC/PATCH] revoke/frevoke system calls V2
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    Ar Iau, 2006-07-27 am 18:33 +0300, ysgrifennodd Pekka Enberg:
    > Don't device drivers already do that for f_ops->flush (filp_close) and

    ->flush is called when each closing occurs.

    > vm_ops->close (munmap)? What revoke and frevoke do is basically
    > unmap/fsync/close on all the open file descriptors.

    What happens if an app is already blocked on a read when you do a
    revoke ? The nasty case answer could be "it completes later on and
    returns the users captured password"

    Alan

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