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Date: Mon, 20 Aug 2012 14:32:25 -0400
To: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
        linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        Al Viro <viro@zeniv.linux.org.uk>,
        Alexey Dobriyan <adobriyan@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Pavel Emelyanov <xemul@parallels.com>,
        James Bottomley <jbottomley@parallels.com>,
        Matthew Helsley <matt.helsley@gmail.com>
Subject: Re: [patch 4/8] fs, exportfs: Add export_encode_inode_fh helper
Message-ID: <20120820183225.GB4911@fieldses.org>
References: <20120815092116.700948346@openvz.org>
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 <87fw7habo4.fsf@skywalker.in.ibm.com>
 <20120820163338.GN23596@moon>
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From: "J. Bruce Fields" <bfields@fieldses.org>
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On Mon, Aug 20, 2012 at 08:33:38PM +0400, Cyrill Gorcunov wrote:
> On Mon, Aug 20, 2012 at 07:49:23PM +0530, Aneesh Kumar K.V wrote:
> > Cyrill Gorcunov <gorcunov@openvz.org> writes:
> > 
> > > To provide fsnotify object inodes being watched without
> > > binding to alphabetical path we need to encode them with
> > > exportfs help. This patch adds a helper which operates
> > > with plain inodes directly.
> > 
> > doesn't name_to_handle_at()  work for you ? It also allows to get a file
> > handle using file descriptor.
> 
> Hi, sorry for dealy. Well, the last idea is to get rid of this helper,
> I've sent out an updated version where ino+dev is only printed.

I don't understand how ino and dev are useful to you, though, if you're
still hoping to be able to look up inodes using this information later
on.

--b.