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Re: rename(), wapbl and deadlock
On Fri, Dec 18, 2009 at 12:59:30AM +0000, David Holland wrote:
> > With these changes, I couldn't crash or hang a kernel using rsync
> > on a WAPBL filesystem.
> Alas, you would have saved some time by pinging me; I did some hacking
> on it a few weeks back that covered those and some other issues.
Well, as there was no activity on the ML about this for months,
I though it was stalled.
> But I didn't post it because it didn't work: running my favorite
> rename stress-tester was giving me directories with entirely bogus
> (sometimes negative) link counts. No idea why yet.
Could you share your stress-tester ?
> Do you have a non-backported version? I probably don't have time to
> look at it for the next two weeks or so, but after that I can see
> about merging.
No, I worked only on the netbsd-5 version. I have some large-capacity
servers comming and I need a working journaled FFS.
> > However, the system doen't come up multiuser if / is not logged:
Maybe I missed something when I backported the patch.
Do you know if the WAPBL version is good enough for the non-WAPBL case ?
A diff didn't show differences in the order on-disk operations are
performed, but I could well have missed something ...
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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