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Date:      Wed, 27 Oct 2004 12:37:46 +0200
From:      "Poul-Henning Kamp" <phk@phk.freebsd.dk>
To:        Don Lewis <truckman@FreeBSD.org>
Cc:        cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/kern vfs_subr.c src/sys/sys buf.h bufobj.h vnode.h 
Message-ID:  <71111.1098873466@critter.freebsd.dk>
In-Reply-To: Your message of "Wed, 27 Oct 2004 03:19:52 PDT." <200410271019.i9RAJqTi020328@gw.catspoiler.org> 

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In message <200410271019.i9RAJqTi020328@gw.catspoiler.org>, Don Lewis writes:
>On 27 Oct, Poul-Henning Kamp wrote:
>
>> I am still not convinced that even having the generic syncer is a
>> good idea.  I think it would make a lot more sense to park a kthread
>> on each mountpoint to act as syncer for that mountpoint.  And then
>> _maybe_ have a bufobj method that says "reduce your footprint" in
>> some sort of way to keep the global balance.
>
>I think this idea has a lot of merit. [...]

There are man unknowns and at least I need to do some prototyping to see
where I end up if I do it one way or another.

For instance: If the syncer is something the filesystem starts at
its own discretion, there wouldn't be a need for a syncer for R/O
filesystems.

-- 
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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