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Re: Bug#563254: du: bind mount causes corrupted filesystem warning (desp
From: |
Jim Meyering |
Subject: |
Re: Bug#563254: du: bind mount causes corrupted filesystem warning (despite -x !) |
Date: |
Fri, 01 Jan 2010 18:39:26 +0100 |
Alan Jenkins wrote:
> Package: coreutils
> Version: 8.1-1
> Severity: normal
>
>
> To reproduce:
>
> $ mkdir -p /mnt/root
> $ mount --bind / /mnt/root
>
> (I have this in /etc/fstab...
> it lets me access parts of / which are hidden by other mounted filesystems -
> this happens to be useful for reasons too long and obscure to be worth
> explaining)
>
> $ du -x
> du: WARNING: Circular directory structure.
> This almost certainly means that you have a corrupted file system.
> NOTIFY YOUR SYSTEM MANAGER.
> The following directory is part of the cycle:
> `./mnt/root'
> ....
Thanks for the report.
I confirm that this still happens with the latest.
For now, I suggest you use e.g.,
du --exclude=/mnt -x /
Unless such bind mounts appear to be common,
I may just leave the current semantics as they are.
By the way, would you want du to traverse each
root partition directory twice?
- Re: Bug#563254: du: bind mount causes corrupted filesystem warning (despite -x !),
Jim Meyering <=