Re: potential re change for 5.3?

From: Poul-Henning Kamp (phk_at_phk.freebsd.dk)
Date: 08/26/04

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    To: Scott Long <scottl@samsco.org>
    Date: Thu, 26 Aug 2004 07:42:32 +0200
    
    

    In message <412D7643.9000700@samsco.org>, Scott Long writes:

    >> Well, the problem here is that requests which cannot be dealt with
    >> due to resource shortages should be queued at the level where they
    >> require least resources. A request queued inside a driver holds
    >> far more resources than a request in the pure bio format at the
    >> entrance to the driver for instance.
    >
    >Not necessarily. It's not hard for a driver to keep a request queued on
    >the bioq and not consume and driver resources at all.

    Again it comes down to skill level of the driver writer, and no offense
    to present company, I'd rather just make sure it's very hard to be
    lazy in that context.

    -- 
    Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
    phk@FreeBSD.ORG         | TCP/IP since RFC 956
    FreeBSD committer       | BSD since 4.3-tahoe    
    Never attribute to malice what can adequately be explained by incompetence.
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