linux-ext4 - Re: help about ext3 read-only issue on ext3(2.6.16.30)

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Message-ID: <50BFFAD6.60400@tao.ma>
Date:	Thu, 06 Dec 2012 09:54:30 +0800
From:	Tao Ma <tm@....ma>
To:	Theodore Ts'o <tytso@....edu>
CC:	qixuan wu <wuqixuan@...il.com>, Li Zefan <lizefan@...wei.com>,
	Eric Sandeen <sandeen@...hat.com>,
	Yafang Shao <laoar.shao@...il.com>,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
	wuqixuan@...wei.com
Subject: Re: help about ext3 read-only issue on ext3(2.6.16.30)

On 12/05/2012 11:05 PM, Theodore Ts'o wrote:
> On Wed, Dec 05, 2012 at 09:58:17PM +0800, Tao Ma wrote:
>> Are you sure the disk is good? I just checked the code in e2fsprogs, it
>> seems that it will not complain if rec_len = 0, and the dir iteration
>> just aborts.
> 
> Um, where are you seeing this?  It should be complaining that the
> directory entry is corrupt if rec_len < 12.  I believe I see the
> checks there, but I haven't tried creating some test file systems to
> be sure.
Oh, sorry my fault. Yes, I see a final com_err in the end of do_list_dir
in debugfs. So we should complain about the dir corruption.

Thanks
Tao
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