From: Randy Dunlap <randy.dunlap@oracle.com>
To: Eric Sandeen <sandeen@redhat.com>
Cc: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
Evgeniy Dushistov <dushistov@mail.ru>
Subject: Re: [PATCH] fix UFS superblock alignment issues
Date: Tue, 31 Oct 2006 07:54:27 -0800 [thread overview]
Message-ID: <20061031075427.77ce2653.randy.dunlap@oracle.com> (raw)
In-Reply-To: <45476A36.2020405@redhat.com>
On Tue, 31 Oct 2006 09:22:30 -0600 Eric Sandeen wrote:
> Eric Sandeen wrote:
> > ufs2 fails to mount on x86_64, claiming bad magic. This is because
> > ufs_super_block_third's fs_un1 member is padded out by 4 bytes for
> > 8-byte alignment, pushing down the rest of the struct.
> >
> > Forcing this to be packed solves it. I took a quick look over
> > other on-disk structures and didn't immediately find other problems.
> > I was able to mount & ls a populated ufs2 filesystem w/ this change.
>
> I should also mention that this seems to be a regression from
> 2.6.17->2.6.18, so perhaps it's a candidate for 2.6.18.x updates.
Please send it to stable@kernel.org .
---
~Randy
prev parent reply other threads:[~2006-10-31 15:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-31 3:46 [PATCH] fix UFS superblock alignment issues Eric Sandeen
2006-10-31 15:22 ` Eric Sandeen
2006-10-31 15:54 ` Randy Dunlap [this message]
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