From: Theodore Tso <tytso-3s7WtUTddSA@public.gmane.org>
To: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Cc: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
jean-noel.cordenner-6ktuUTfB/bM@public.gmane.org,
cmm-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org,
lkml <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-man <linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
mk <michael.kerrisk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: MS_I_VERSION added in 2.6.25
Date: Fri, 26 Jun 2009 14:45:22 -0400 [thread overview]
Message-ID: <20090626184522.GF7182@mit.edu> (raw)
In-Reply-To: <20090626171144.GA2282-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
On Fri, Jun 26, 2009 at 01:11:44PM -0400, Christoph Hellwig wrote:
> On Fri, Jun 26, 2009 at 08:46:34AM +0200, Michael Kerrisk wrote:
> > Hi,
> >
> > Linux 2.6.25 added the MS_I_VERSION flag for inode versioning. Some
> > text on this should be added to the mount(2) man page. Could someone
> > of you provide a short description of
> >
> > * What inode versions are used for
>
> I don't think it should be documented. It should never have been a
> user-visible option to start with and I'm eventually going to fix that.
>
> The correct way to do this would be a feature flag in the superblock.
Agreed, the intention was this was something which NFSv4 would request
of the filesystem, by flipping a bit. I don't see a good reason why a
user would ever want to explicit request 64-bit version numbers, since
they're not even visible to userspace.
- Ted
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WARNING: multiple messages have this Message-ID (diff)
From: Theodore Tso <tytso@mit.edu>
To: Christoph Hellwig <hch@infradead.org>
Cc: mtk.manpages@gmail.com, jean-noel.cordenner@bull.net,
cmm@us.ibm.com, lkml <linux-kernel@vger.kernel.org>,
linux-man <linux-man@vger.kernel.org>,
mk <michael.kerrisk@gmail.com>
Subject: Re: MS_I_VERSION added in 2.6.25
Date: Fri, 26 Jun 2009 14:45:22 -0400 [thread overview]
Message-ID: <20090626184522.GF7182@mit.edu> (raw)
In-Reply-To: <20090626171144.GA2282@infradead.org>
On Fri, Jun 26, 2009 at 01:11:44PM -0400, Christoph Hellwig wrote:
> On Fri, Jun 26, 2009 at 08:46:34AM +0200, Michael Kerrisk wrote:
> > Hi,
> >
> > Linux 2.6.25 added the MS_I_VERSION flag for inode versioning. Some
> > text on this should be added to the mount(2) man page. Could someone
> > of you provide a short description of
> >
> > * What inode versions are used for
>
> I don't think it should be documented. It should never have been a
> user-visible option to start with and I'm eventually going to fix that.
>
> The correct way to do this would be a feature flag in the superblock.
Agreed, the intention was this was something which NFSv4 would request
of the filesystem, by flipping a bit. I don't see a good reason why a
user would ever want to explicit request 64-bit version numbers, since
they're not even visible to userspace.
- Ted
next prev parent reply other threads:[~2009-06-26 18:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-26 6:46 MS_I_VERSION added in 2.6.25 Michael Kerrisk
2009-06-26 6:46 ` Michael Kerrisk
[not found] ` <cfd18e0f0906252346v53594fb5u2b2bd630b12ded8e-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-06-26 17:11 ` Christoph Hellwig
2009-06-26 17:11 ` Christoph Hellwig
[not found] ` <20090626171144.GA2282-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2009-06-26 18:45 ` Theodore Tso [this message]
2009-06-26 18:45 ` Theodore Tso
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