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Re: LWN article: ext4 and data loss

To: Eric Sandeen <sandeen@xxxxxxxxxxx>
Subject: Re: LWN article: ext4 and data loss
From: Martin Steigerwald <Martin@xxxxxxxxxxxx>
Date: Sat, 14 Mar 2009 23:03:01 +0100
Cc: xfs@xxxxxxxxxxx
In-reply-to: <49BC0D38.5060106@xxxxxxxxxxx>
References: <200903121239.35442@xxxxxx> <200903142042.51574.Martin@xxxxxxxxxxxx> <49BC0D38.5060106@xxxxxxxxxxx> (sfid-20090314_215133_422517_98614840)
User-agent: KMail/1.9.9
Am Samstag 14 März 2009 schrieben Sie:
> Martin Steigerwald wrote:
> > Am Donnerstag 12 März 2009 schrieb Eric Sandeen:
> ...
> >> Filesystems can hack around some heuristics to try to make unsafe
> >> apps safer, but in the end, it's the app's job to make sure a
> >> buffered write hits permanent storage when it matters.
> >
> > Hmmm, okay. So here is:
> >
> > http://bugs.kde.org/187172
> >
> > Feel free to add there. You'd need a bugzilla login tough.
> >
> > Ciao,
> Perhaps you can try this and add info if you like.
> There is an environment variable KDE_EXTRA_FSYNC, put in with this
> changelog:


Added this and your other post and added


to my .zshrc. Just logged out and on and do not notice a difference in 
speed. At least no abysmal performance degradation.

Would need to switch of the machine hardly to see if it helps. Not today 
anymore tough.

Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7

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