From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boaz Harrosh <bharrosh@panasas.com>
Subject: Re: [patch 4/8] fs, exportfs: Add export_encode_inode_fh helper
Date: Tue, 21 Aug 2012 15:51:36 +0300
Message-ID: <50338458.7090602@panasas.com>
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Cc: Pavel Emelyanov <xemul@parallels.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
	Al Viro <viro@zeniv.linux.org.uk>,
	Cyrill Gorcunov <gorcunov@openvz.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	James Bottomley <jbottomley@parallels.com>,
	Matthew Helsley <matt.helsley@gmail.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
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On 08/21/2012 03:29 PM, J. Bruce Fields wrote:
<>

> OK.  So if you don't mind the fact that there are filesystems with
> inotify support but not filehandle support, then I think generating a
> filehandle early as you describe would work.  I guess it's a little more
> memory per watched inode.
> 


For the minority of FSs that do not have a filehandle support it should
be easy to generate a generic one, that should work 95% of the time.

Are we guaranteed that after the checkpoint restore the version of
the Kernel is the same as the one that did the checkpoint? If yes
then I don't see any problem.

> --b.


Cheers
Boaz