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Re: inode64 question

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: inode64 question
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Fri, 26 Sep 2008 09:30:22 -0500
Cc: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20080926063050.GA20516@xxxxxxxxxxxxx>
References: <alpine.DEB.1.10.0809251943420.5846@xxxxxxxxxxxxxxxx> <20080926063050.GA20516@xxxxxxxxxxxxx>
User-agent: Thunderbird 2.0.0.16 (Macintosh/20080707)
Christoph Hellwig wrote:
> On Thu, Sep 25, 2008 at 07:44:33PM -0400, Justin Piszcz wrote:
>> If I mount the fs with -o inode64, can I mount it again later say under  
>> knoppix 32bit without any options, will the FS still mount?  The 64-bit  
>> rescue cd/dvds--I have had problems with to say the least.
> 
> Not yet.  I'll hopefully get a patch for it into 2.6.28.

Actually it *will* at least mount, won't it?  But that's dangerous.  I
don't think xfs sets any kind of superblock flag saying "I contain
inodes past 2^32, don't mount on 32-bit boxes" does it?

-Eric

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