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Date:	Fri, 14 Nov 2008 13:32:52 -0700
From:	Andreas Dilger <>
To:	Valerie Aurora Henson <>
Cc:, Theodore Tso <>
Subject: Re: 64-bit inode support in e2fsprogs? (was Re: [RFC PATCH 11/17]	Fix
 overflow in calculation of total file system blocks)

On Nov 13, 2008  22:10 -0500, Valerie Aurora Henson wrote:
> On Thu, Nov 13, 2008 at 01:04:02PM -0700, Andreas Dilger wrote:
> > There is a similar fix missing from ext2fs_allocate_inode_bitmap() (even
> > though there isn't any support for 64-bit inode numbers as yet.
> That's a question I have: Should the 64-bit port have partial support
> for 64-bit inodes?  Supporting 64-bit inodes is enough effort and risk
> (especially in terms of glue code to convert back to 32-bit versions)
> that I think it makes sense to wait until we know more about what they
> will look like and have concrete plans to support them.

I agree, in general, but this kind of wordsize overflow bug is easy to
miss, and we may as well only have to figure out the bug once.

Cheers, Andreas
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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