Subject: Re: changing default for UFS_DIRHASH and NEW_BUFQ_STRATEGY
To: None <tech-kern@netbsd.org>
From: Juergen Hannken-Illjes <hannken@eis.cs.tu-bs.de>
List: tech-kern
Date: 06/03/2005 18:34:33
On Sat, Jun 04, 2005 at 01:16:58AM +0900, Izumi Tsutsui wrote:
> perry@piermont.com wrote:
> 
> > Izumi Tsutsui <tsutsui@ceres.dti.ne.jp> writes:
> > > I think options NEW_BUFQ_STRATEGY has been superseded by
> > > options BUFQ_READPRIO
> > 
> > Well, that isn't described in options(4) and isn't in any config
> > files, so from the point of view of most users it might as well not
> > exist...
> 
> Of course options(4) should be updated, but anyway "NEW_BUFQ_STRATEGY"
> is not a good name. It isn't NEW anymore, and it might be superseded
> by other newer strategies like BUFQ_PRIOCSCAN in future.

It looks like it already has ben renamed in sys/conf/files:

    defflag  NEW_BUFQ_STRATEGY  # same as BUFQ_READPRIO

So options(4) should refer to BUFQ_READPRIO and the kernel configs changed.

Maybe some day the bufq strategy can be changed with a DKIO... ioctl ...
-- 
Juergen Hannken-Illjes - hannken@eis.cs.tu-bs.de - TU Braunschweig (Germany)