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From: Dave Hansen <haveblue@us.ibm.com>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: akpm@linux-foundation.org, staubach@redhat.com,
	linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org,
	trond.myklebust@fys.uio.no, linux-fsdevel@vger.kernel.org,
	viro@zeniv.linux.org.uk, hch@lst.de
Subject: Re: [PATCH 1/3] enhanced lookup ESTALE error handling (v3)
Date: Mon, 10 Mar 2008 15:19:44 -0700	[thread overview]
Message-ID: <1205187584.8385.6.camel@nimitz.home.sr71.net> (raw)
In-Reply-To: <E1JYq5I-0000D9-8a@pomaz-ex.szeredi.hu>

On Mon, 2008-03-10 at 23:03 +0100, Miklos Szeredi wrote:
> > > This is a patch to enhance ESTALE error handling during the
> > > lookup process.  The error, ESTALE, can occur when out of data
> > > dentries, stored in the dcache, is used to translate a pathname
> > > component to a dentry.  When this occurs, the dentry which
> > > contains the pointer to the inode which refers to the non-existent
> > > file is dropped from the dcache and then the lookup process
> > > started again.  Care is taken to ensure that forward process is
> > > always being made.  If forward process is not detected, then the
> > > lookup process is terminated and the error, ENOENT, is returned
> > > to the caller.
> > 
> > This collides in non-trivial ways with the always-coming-never-arrives
> > r-o-bind-mounts patches.
> > 
> > I have an old version of those patches in -mm and I believe that Al
> > is/was/has set up some git tree with these patches and perhaps other stuff.

Al's tree is here:

http://git.kernel.org/gitweb.cgi?p=linux/kernel/git/viro/vfs-2.6.git;a=summary

It's probably best to try and base your patches on top of there.  

-- Dave


  reply	other threads:[~2008-03-10 22:20 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-18 15:36 [PATCH 1/3] enhanced ESTALE error handling Peter Staubach
2008-01-18 16:14 ` Matthew Wilcox
2008-01-18 16:45   ` Peter Staubach
2008-01-18 17:18     ` J. Bruce Fields
2008-01-18 17:32       ` Peter Staubach
2008-02-01 20:57 ` [PATCH 1/3] enhanced lookup ESTALE error handling (v2) Peter Staubach
2008-03-10 20:23   ` [PATCH 1/3] enhanced lookup ESTALE error handling (v3) Peter Staubach
2008-03-10 21:38     ` Andrew Morton
2008-03-10 22:03       ` Miklos Szeredi
2008-03-10 22:19         ` Dave Hansen [this message]
2008-03-11  4:12           ` Andrew Morton

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