linux-kernel - Re: [PATCH 0/2] block: online resize of disk partitions

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Message-ID: <4F39B7D7.8050501@ubuntu.com>
Date:	Mon, 13 Feb 2012 20:24:39 -0500
From:	Phillip Susi <psusi@...ntu.com>
To:	Vivek Goyal <vgoyal@...hat.com>
CC:	linux-kernel@...r.kernel.org, axboe@...nel.dk, dm-devel@...hat.com,
	Karel Zak <kzak@...hat.com>, maxim.patlasov@...il.com
Subject: Re: [PATCH 0/2] block: online resize of disk partitions

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On 02/13/2012 05:24 PM, Vivek Goyal wrote:
> Ok, so user still specifies just the new size of partition and tool
> passes in both the "start" and new "size" to the ioctl?

Bingo.  Eventually I'm kicking around the idea of having the ioctl allow
changing the start and modifying gparted to be able to use that on a
mounted partition if the fs supports it ( I think btrfs could be made
to without too much difficulty ).  In the mean time, libparted enforces
the start remaining unchanged and parted, gparted, and kpartx automatically
use the existing start position.

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