linux-ext4 - Re: freeze

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Message-ID: <CAD6i1fK8bog1wo8E60qFb1piT8P3E=QoaaUH=qiys2R4jG3QPA@mail.gmail.com>
Date:	Tue, 4 Dec 2012 18:40:33 +0530
From:	Prashant Shah <pshah.mumbai@...il.com>
To:	Jan Kara <jack@...e.cz>
Cc:	Eric Sandeen <sandeen@...hat.com>, linux-ext4@...r.kernel.org
Subject: Re: freeze_bdev hangs

Hi,

On Wed, Oct 10, 2012 at 3:19 AM, Jan Kara <jack@...e.cz> wrote:
>>   OK. There are several ways how I could imagine you hit ino == 0. Either
>> someone is using direct IO or inode is a block device inode...
>>

Most of the inode 0 writes belonged to journal (verified with the
sector number). I think that such journal writes should set the inode
to 8 or whatever is reserved for the journal rather than 0.

Regards.
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