From: David Howells <dhowells@redhat.com>
To: Alex Lyashkov <Alexey.Lyashkov@Sun.COM>
Cc: dhowells@redhat.com, Miklos Szeredi <miklos@szeredi.hu>,
linux-fsdevel@vger.kernel.org, Andrew.Perepechko@Sun.COM
Subject: Re: [RFC] possible badness in prune_dcache()
Date: Mon, 07 Apr 2008 11:49:03 +0100 [thread overview]
Message-ID: <11281.1207565343@redhat.com> (raw)
In-Reply-To: <1207322926.12346.30.camel@bear.shadowland>
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
prev parent reply other threads:[~2008-04-07 10:49 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-04 11:40 [RFC] possible badness in prune_dcache() Alex Lyashkov
2008-04-04 12:42 ` Miklos Szeredi
2008-04-04 15:28 ` Alex Lyashkov
2008-04-04 15:29 ` Josef Bacik
2008-04-04 15:57 ` Josef Bacik
2008-04-04 18:38 ` Miklos Szeredi
2008-04-04 18:44 ` Josef Bacik
2008-04-04 18:49 ` Josef Bacik
2008-04-04 19:01 ` Miklos Szeredi
2008-04-04 19:13 ` Josef Bacik
2008-04-04 19:32 ` Miklos Szeredi
2008-04-07 6:40 ` Takashi Nishiie
2008-04-07 10:49 ` David Howells [this message]
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