From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Howells <dhowells@redhat.com>
Subject: Re: [RFC] possible badness in prune_dcache()
Date: Mon, 07 Apr 2008 11:49:03 +0100
Message-ID: <11281.1207565343@redhat.com>
References: <1207322926.12346.30.camel@bear.shadowland> <1207309200.12346.25.camel@bear.shadowland> <E1JhlFZ-0002tJ-Bv@pomaz-ex.szeredi.hu>
Cc: dhowells@redhat.com, Miklos Szeredi <miklos@szeredi.hu>,
	linux-fsdevel@vger.kernel.org, Andrew.Perepechko@Sun.COM
To: Alex Lyashkov <Alexey.Lyashkov@Sun.COM>
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Alex Lyashkov <Alexey.Lyashkov@Sun.COM> 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