[PATCH 1/1] ubi: Introduce block devices for UBI volumes

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Mon Feb 10 03:42:46 EST 2014


Dear Willy Tarreau,

On Sat, 8 Feb 2014 23:51:49 +0100, Willy Tarreau wrote:

> > I really vote for dropping write support at all.
> 
> Why ? When you put a read-only filesystem there such as squashfs, the
> only writes you'll have will be updates, and write support will be the
> only way to update the filesystem. So removing write support seriously
> impacts the usefulness of the feature itself.

Why can't you use ubi_updatevol to do the update of the squashfs image?
I.e instead of updating through the block layer, you update at the UBI
layer level. No?

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com



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