linux-kernel - Re: it seems at XFS bug?!

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Message-ID: <20070519192246.GA11733@1wt.eu>
Date:	Sat, 19 May 2007 21:22:46 +0200
From:	Willy Tarreau <w@....eu>
To:	oliver pinter <oliver.pntr@...il.com>,
	Bernd Eckenfels <ecki@...a.inka.de>
Cc:	linux-kernel@...r.kernel.org, xfs-masters@....sgi.com
Subject: Re: it seems at XFS bug?!

[resending since I just noticed that Bern trimmed the CC list]

On Sat, May 19, 2007 at 09:14:10PM +0200, Bernd Eckenfels wrote:
> In article <6101e8c40705191117h40c8af70sfc9d0617a99a248b@...l.gmail.com> you wrote:
> > 0000500   8   6   1   2   5   4   9       -   r   w   -   r   -   -   r
> >        3638 3231 3435 2039 722d 2d77 2d72 722d
> > 0000520   -   -       1       r   o   o   t       r   o   o   t
> >        2d2d 3120 7220 6f6f 2074 6f72 746f 2020
> > 0000540                   0       2   0   0   7   -   0   5   -   0   6
> >        2020 2020 2030 3032 3730 302d 2d35 3630
> > 0000560       1   2   :   4   1          \n  \0
> >        3120 3a32 3134 a020 000a
> > 0000571
> 
> That file with the inode 8612549 has indeed an empty name. (And I wonder a
> bit about the trailing \0, my ls does not do that?)

No, look closer above, its name is the single-character '\xa0'. It's
this output format which makes the analysis difficult. And it's also
'od' which has added '\0' to pad its 16 bit buffer. I tend to prefer
to use 'od -tx1' or 'od -ctx1' here.

I would suggest doing 'rm -i ?' to remove that file, or rm -i $'\xa0'
for the paranoid.

Willy

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