From: Chris Mason <chris.mason@oracle.com>
To: Donggeun Kim <dg77.kim@samsung.com>
Cc: linux-btrfs@vger.kernel.org, kyungmin.park@samsung.com
Subject: Re: [PATCH] btrfs: Add a new mount option to grow the FS to the limit of the device
Date: Tue, 3 Aug 2010 07:49:47 -0400 [thread overview]
Message-ID: <20100803114947.GO16630@think> (raw)
In-Reply-To: <4C5684D8.4080702@samsung.com>
On Mon, Aug 02, 2010 at 05:42:00PM +0900, Donggeun Kim wrote:
> In some cases, resizing a file system to the maximum device size is required.
> When flashing a file system image to a block device,
> the file system does not fit into the block device's size.
> Currently, executing 'btrfsctl' application is the only way
> to grow the file system to the limit of the device.
> If the mount option which alters the device size of a file system
> to the limit of the device is supported,
> it can be useful regardless of the existence of 'btrfsctl' program.
> This patch allows the file system to grow to the maximum size of the device
> on mount time.
> The new mount option name is 'maxsize'.
I think this is a very useful feature, but could you please change the
patch to allow controlling which device is resized?
The ioctl allows you to pass in a device number (where the number comes
from btrfs-show)
Thanks!
-chris
next prev parent reply other threads:[~2010-08-03 11:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-02 8:42 [PATCH] btrfs: Add a new mount option to grow the FS to the limit of the device Donggeun Kim
2010-08-03 11:49 ` Chris Mason [this message]
2010-08-04 11:34 ` Donggeun Kim
2010-08-04 13:30 ` Chris Mason
2010-08-04 13:45 ` Kyungmin Park
2010-08-04 13:47 ` Chris Mason
2010-08-04 13:56 ` Kyungmin Park
2010-08-04 14:52 ` Chris Mason
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