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Re: [PATCH, RFC] default to inode64 on 64-bit systems

To: Olaf Weber <olaf@xxxxxxx>
Subject: Re: [PATCH, RFC] default to inode64 on 64-bit systems
From: Michael Weissenbacher <mw@xxxxxxxxxxxx>
Date: Tue, 07 Jul 2009 12:12:59 +0200
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Eric Sandeen <sandeen@xxxxxxxxxxx>, xfs mailing list <xfs@xxxxxxxxxxx>
In-reply-to: <bzyhbxoc1hi.fsf@xxxxxxxxxxxxxxxxxxxx>
References: <4A52419E.5020301@xxxxxxxxxxx> <20090706184257.GA18107@xxxxxxxxxxxxx> <bzyhbxoc1hi.fsf@xxxxxxxxxxxxxxxxxxxx>
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Hi!
> Making inode64 the default on 64 bit systems seems like a good idea to
> me.  But would it not be advisable to have a mount option that forces
> the old behaviour, just in case?  Something like "broken32bituserspace"
> (or maybe "inode32").
> 
I think such a mount option would be a must. There is lots of 32-bit Software 
that cannot cope with 64-bit inodes. Unfortunately there are closed-source 
32-bit apps (which can be run on 64 bit systems) where nothing can be done for 
64-bit inode compatiblity in the short term. Had this problem very recently 
with the Zmanda Enterprise Backup Software, which forced me to remove the 
inode64 option.

regards,
Michael

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