linux-ext4 - Re: Creating a >32bit blocks filesystem.

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Message-ID: <4641BBB7.8020904@bull.net>
Date:	Wed, 09 May 2007 14:16:55 +0200
From:	Valerie Clement <valerie.clement@...l.net>
To:	"Jose R. Santos" <jrs@...ibm.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: Creating a >32bit blocks filesystem.

Jose R. Santos wrote:
> Hi Valerie,
> 
> I tried the patches and while the tools such as mkfs and debugfs seem
> to work fine, I am still unable to mount a filesystem with block
> numbers exceeding 32 bits.  I am testing on a 2.6.21.1 kernel with the
> ext4 patches from:
> 
> ftp://ftp.kernel.org/pub/linux/kernel/people/tytso/ext4-patches/2.6.21-ext4-1
> 
> The following error shows up on the kernel log:
> 
> [12145.598822] EXT4-fs error (device dm-2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 18446744069414584320)!
> [12145.670781] EXT4-fs: group descriptors corrupted!
> 
> So its failing very early in ext4_check_descriptors().  The hi 32 bits of block_bitmap for the first group seem to be set all to 1s.
> 
Hi Jose,
I'm sorry to reply so late, I had a day off yesterday.
I only tested the tools on an x86_64 system. Could it be an endianess issue?
On which platform do you run?
    Valérie
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