linux-kernel - Re: re-reading the partition table on a "busy" drive

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Message-ID: <20060908082718.GA30894@aepfle.de>
Date:	Fri, 8 Sep 2006 10:27:18 +0200
From:	Olaf Hering <olaf@...fle.de>
To:	Michael Tokarev <mjt@....msk.ru>
Cc:	Linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: re-reading the partition table on a "busy" drive

On Thu, Sep 07, Michael Tokarev wrote:

> Is it possible to implement such a feature?  I mean, is it
> easy to know which *partitions* (subdevices?) of the whole
> device are currently in use, as opposed to the whole drive?

Its already there, see include/linux/blkpg.h
parted uses this interface, fdisk and others use the rereadpt ioctl.
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