Re: [RFC] possible badness in prune_dcache()

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Alex Lyashkov <Alexey.Lyashkov@xxxxxxx> wrote:

> Thanks for answer,
> 
> Yes this commit - fix issue with umount, but not resolve main question:
> why prune_dcache kill dentry with diffrent super block? this produce
> long loop with skip loop instead of early exit and move dentry from
> select_parent again to end of list.
> 
> 
> On Fri, 2008-04-04 at 14:42 +0200, Miklos Szeredi wrote:
> > > When investigation livelock in RHEL3, i found possible badness in
> > > prune_dcache, which exist in 2.6.24 also.
> > 
> > Have you actually tested with 2.6.24?  shrink_dcache_parent() isn't
> > called from umount anymore.  I think this is the commit responsible
> > for fixing the issue:

Am I missing part of the first part of this conversation?

David
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