Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 13 Sep 2006 16:23:29 +0200
From:      Pawel Jakub Dawidek <pjd@FreeBSD.org>
To:        Christian Laursen <xi@borderworlds.dk>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: gjournal and Softupdates
Message-ID:  <20060913142329.GC70245@garage.freebsd.pl>
In-Reply-To: <ygfirjto0z2.fsf@dominion.borderworlds.dk>
References:  <45066E19.2040405@kuehlbox.de> <ee5vat$fcb$1@sea.gmane.org> <ygfirjto0z2.fsf@dominion.borderworlds.dk>

next in thread | previous in thread | raw e-mail | index | archive | help

--HWvPVVuAAfuRc6SZ
Content-Type: text/plain; charset=iso-8859-2
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Tue, Sep 12, 2006 at 12:04:01PM +0200, Christian Laursen wrote:
> Ivan Voras <ivoras@fer.hr> writes:
>=20
> > - todays desktop drives can lie about writing data. SoftUpdates relies
> > on some assumptions about when the data is physically written to
> > media, and those are not always valid today
>=20
> I think journaling relies on the same assumptions.

Not gjournal, because it uses BIO_FLUSH I/O requests which flushes disk
write cache when needed.

--=20
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd@FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

--HWvPVVuAAfuRc6SZ
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.4 (FreeBSD)

iD8DBQFFCBRhForvXbEpPzQRAg+FAKCYMD1uZ4ppB0+SKQ83F1zac3Tl5wCfbGtu
eWoun4Ozf4ajchr2V9ALZc8=
=hEmD
-----END PGP SIGNATURE-----

--HWvPVVuAAfuRc6SZ--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060913142329.GC70245>