[RFC/PATCH 0/1] ubi: Add ubiblock driver

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Wed Nov 21 04:56:36 EST 2012

Dear Ricard Wanderlof,

On Wed, 21 Nov 2012 06:28:43 +0100, Ricard Wanderlof wrote:

> I don't want to diminish your work in any way, but what is the point of 
> the ubiblock feature? Mtd block devices are really only used in order to 
> give the mount/umount commands a block device, and for ubifs the device is 
> specified in another way. So I suspect the intended usage for ubiblock is 
> something else.

The idea, when David Wagner implemented this, was to be able to use
read-only block filesystems such as squashfs on top of a UBI volume.
squashfs provides an excellent compression ratio, which makes it

Best regards,

Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.

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