linux-kernel - Re: [PATCH 02/18] xstat: Add a pair of system calls to make extended file stats available [ver #6]

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Message-ID: <20100722180709.GB32008@samba1>
Date:	Thu, 22 Jul 2010 11:07:09 -0700
From:	Jeremy Allison <jra@...ba.org>
To:	Jan Engelhardt <jengelh@...ozas.de>
Cc:	Jeremy Allison <jra@...ba.org>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Volker.Lendecke@...net.de, David Howells <dhowells@...hat.com>,
	linux-cifs@...r.kernel.org, linux-nfs@...r.kernel.org,
	samba-technical@...ts.samba.org, linux-kernel@...r.kernel.org,
	viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 02/18] xstat: Add a pair of system calls to make
 extended file stats available [ver #6]

On Thu, Jul 22, 2010 at 08:05:00PM +0200, Jan Engelhardt wrote:
> 
> On Thursday 2010-07-22 20:02, Jeremy Allison wrote:
> >On Thu, Jul 22, 2010 at 12:58:50PM -0400, Trond Myklebust wrote:
> >> 
> >> That would make it impossible to export the filesystem with NFSv2 and
> >> v3. They do rely on ctime checking for certain operations (e.g. deciding
> >> when to invalidate access and acl caches). NFSv4 needs this too if the
> >> filesystem has no dedicated change attribute.
> >> 
> >> Still, I suppose the market for exporting the same filesystem with both
> >> NFS and Samba is limited...
> >
> >Ask NetApp about that :-). They have built a rather large
> >business on just that fact :-).
> 
> What would ZFS do? :p

Get sued out of existence by software patent trolls who have lost
the ability to write code, apparently :-).
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