Subject: Re: letting userland issue FUA writes
To: Matt Thomas <matt@3am-software.com>
From: Bill Studenmund <wrstuden@netbsd.org>
List: tech-kern
Date: 03/19/2006 19:13:20
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On Fri, Mar 17, 2006 at 06:01:49PM -0800, Matt Thomas wrote:
> Bill Studenmund wrote:
> > Ok, I like the 'x' syntax.
>=20
> or vf?

I'd like to avoid "f" in this, as we do have fread() and fwrite(), which=20
are vastly different. :-)

> > Yes, I know it applies to reads too. I'd need help doing the UVM magic =
to=20
> > make that happen (basically flush the cache, zap the pages, then re-rea=
d=20
> > them).
>=20
> Do we need to worry about add a flag for mflush as well?

I am not excited about adding such a flag, but I have no objection to=20
someone else implementing it. :-)

Take care,

Bill

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