behavior of "# mount /dev"

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---------- Forwarded message ----------
From: KIMURA Masaru <hiyuh.root@xxxxxxxxx>
Date: 2011/11/9
Subject: Re: behavior of "# mount /dev"
To: Karel Zak <kzak@xxxxxxxxxx>


>> Summary:
>> - "# mount /dev" hides udev managed /dev.
>> - because it doesn't return a busy error.
>> - because it uses tmpfs.
>> - using tmpfs, we are not able to treat this case as error in kernel.
>
>  Sure, it's not a bug.
>
>  It would be nice to have mount option (VFS flag) to control this behavior,
>  something like:
>
>    # mount -t tmpfs none /dev -o nooverlay
>
>    # mount -t tmpfs none /dev      --> EBUSY

ACK.
Thank you for taking time to check my poor translation.
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