Re: [PATCH] handle ext3 directory corruption better

From: Pavel Machek
Date: Sun Nov 12 2006 - 08:40:41 EST


Hi!

> >> Nice... can you run the same tool against fsck, too?
> >
> > I'll see if I can make that work, too. The fuzzer tries to preserve the bad
> > image so that you can replay the problem for debugging. I think its just a
> > matter of making another copy and using that one instead.
>
> I played with this on xfs a little bit in my spare time, found some
> xfs_repair problems. :) I'm sure other fs's would have issues as well.

Yes... I played with similar tool few years ago on ext2, and it lead
to fixing couple of bugs in e2fsck, too. vfat/reiser were too buggy
for this test to be useful.

> Ideally it would probably be good for the tool to have a "use" mode (try
> to use the corrupted fs) and a "check" mode (try to fsck the corrupted fs).
>
> In use mode, it'd be: mkfs, fuzz, mount, populate (etc), unmount.
> In check mode, it'd be: mkfs, mount, populate, unmount, fuzz, fsck.

Yes, that's what I did back then.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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