linux-kernel - Re: [GIT PULL] ext4 updates for 3.9

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Date:	Wed, 27 Feb 2013 18:22:56 +0100
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	"gnehzuil.liu" <gnehzuil.liu@...il.com>
Cc:	Theodore Ts'o <tytso@....edu>, Zheng Liu <wenqing.lz@...bao.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dave Jones <davej@...hat.com>, Borislav Petkov <bp@...en8.de>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] ext4 updates for 3.9

On 2013.02.28 at 01:10 +0800, gnehzuil.liu wrote:
> 在 2013-2-28，上午1:01，Markus Trippelsdorf <markus@...ppelsdorf.de> 写道：
> 
> > On 2013.02.27 at 16:44 +0100, Markus Trippelsdorf wrote:
> >> On 2013.02.27 at 10:34 -0500, Theodore Ts'o wrote:
> >>> On Wed, Feb 27, 2013 at 01:47:27PM +0100, Markus Trippelsdorf wrote:
> >>>> Just booted todays Linux tree and got the following errors:
> >>>> 
> >>>> ...
> >>>> Feb 27 13:33:31 x4 kernel: EXT4-fs (sda): mounted filesystem with ordered data mode. Opts: (null)
> >>>> ...
> >>>> Feb 27 13:33:32 x4 kernel: EXT4-fs error (device sda): ext4_find_dest_de:1657: inode #70647809: block 14164000: comm cupsd: bad entry in directory: rec_len % 4 != 0 - offset=0(0), inode=2569822761, rec_len=3837, name_len=1
> >>>> Feb 27 13:33:32 x4 kernel: EXT4-fs error (device sda): ext4_find_dest_de:1657: ignore#70911401: block 15213579: comm pdnsd: bad entry in directory: rec_len % 4 != 0 - offset=0(0), inode=2000846358, rec_len=36782, name_len=120
> >>> 
> >>> Is this reproducible? 
> > 
> > The issue is caused by:
> > 
> > commit d100eef2440fea13e4f09e88b1c8bcbca64beb9f
> > Author: Zheng Liu <wenqing.lz@...bao.com>
> > Date:   Mon Feb 18 00:29:59 2013 -0500
> > 
> >    ext4: lookup block mapping in extent status tree
> 
> Thanks for the report.  I am very sorry about that.  Now I am trying to fix it.
> 
Thank you.

Please note that if I run a kernel build with: 
"git reset --hard f7fec032aa782d3fd7e51fbdf08aa3a296c01500" 
(the commit before d100eef24) I get a different but similar error:

  EXT4-fs (sda): error count: 4
  EXT4-fs (sda): initial error at 1361983458: ext4_find_dest_de:1657: inode 70911401: block 15213579 
  EXT4-fs (sda): last error at 1361983663: ext4_find_dest_de:1658: inode 70647809: block 14164000

-- 
Markus
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