linux-kernel - Re: [PATCH 0/7] Permit filesystem local caching and NFS superblock sharing [try #13]

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Date:	Tue, 05 Sep 2006 00:57:01 -0400
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Ian Kent <raven@...maw.net>
Cc:	David Howells <dhowells@...hat.com>, Andrew Morton <akpm@...l.org>,
	torvalds@...l.org, steved@...hat.com,
	linux-fsdevel@...r.kernel.org, linux-cachefs@...hat.com,
	nfsv4@...ux-nfs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] Permit filesystem local caching and NFS superblock
	sharing [try #13]

On Tue, 2006-09-05 at 12:06 +0800, Ian Kent wrote:

> > One way to fix this is to simply not hash the dentry when we're doing
> > the O_EXCL intent optimisation, but rather to only hash it _after_ we've
> > successfully created the file on the server. Something like the attached
> > patch ought to do it.
> 
> No.
> 
> This patch simply marks the dentry negative and returns ENOMEM from the
> lookup which, as would be expected, results in this error being returned
> to userspace.

Oops. You are right. I forgot to set res=NULL...



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