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    SubjectRe: [patch] TCP/IP delacks disabled with MPI
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    kuznet@ms2.inr.ac.ru said:
    > Only drivers had and have nice flag named dev->tbusy to make this
    > stuff and there are no reasons to invent (and then to test) something
    > new one.

    dev->tbusy doesn't necessarily cover it. Devices set tbusy when they're, well,
    busy - not just when they're down.

    My first use for the 'new' semantics was going to be to add it to the
    hostess_sv11 driver, and make diald automatically bring up the ISDN line when
    the leased line goes down.

    I don't want diald bringing up the backup link because the leased line just
    happens to be sending a packet when it checks.


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    David Woodhouse David.Woodhouse@mvhi.com Office: (+44) 1223 810302
    Project Leader, Process Information Systems Mobile: (+44) 976 658355
    Axiom (Cambridge) Ltd., Swaffham Bulbeck, Cambridge, CB5 0NA, UK.
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