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List:       linux-kernel
Subject:    Re: [PATCH] Reread partition table when a partition is added
From:       Andries Brouwer <aebr () win ! tue ! nl>
Date:       2004-08-23 9:53:18
Message-ID: 20040823095318.GB2682 () pclin040 ! win ! tue ! nl
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On Mon, Aug 23, 2004 at 01:19:06AM +0300, Stefanos Harhalakis wrote:

>   This small patch rereads the partition table even if the block device is 
> beeing used. It only rereads it when there are no changes at the current 
> partitions and there are new partitions added at the end. Any existing 
> partition change will/should make it fail.
> 
>   Is it OK and/or useful ?

What you want is possible already today.
For an example, see partx in util-linux.

Andries


[More precisely: rereading the pt consists of (i) reading pt, and
(ii) updating kernel tables. Now (i) can be done from user space,
by fdisk-type programs, and (ii) can be done from user space,
by partx-type programs.]
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