linux-kernel - Re: bind-mount vs second mount of the same blockdev?

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Message-ID: <20101103102352.GB19804@ZenIV.linux.org.uk>
Date:	Wed, 3 Nov 2010 10:23:52 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Michael Tokarev <mjt@....msk.ru>
Cc:	Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: bind-mount vs second mount of the same blockdev?

On Wed, Nov 03, 2010 at 12:39:57PM +0300, Michael Tokarev wrote:
>  mount -t ext3 /dev/block /mnt/a
>  mount --bind /mnt/a /mnt/b
> 
> versus
> 
>  mount -t ext3 /dev/block /mnt/a
>  mount -t ext3 /dev/block /mnt/b

[snip]

> What are the differences in behavour?

None.  Both lead to the identical states.
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