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From: Marek Vasut <marex@denx.de>
To: linux-mtd@lists.infradead.org
Subject: Re: RFC : attach ubi in readonly mode
Date: Thu, 4 Oct 2012 02:18:25 +0200
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Cc: Matthieu CASTET <matthieu.castet@parrot.com>,
 Artem Bityutskiy <dedekind1@gmail.com>
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Dear Matthieu CASTET,

> Hi,
> 
> it could be interesting to attach ubi in read-only mode (for example
> getting ubi volume info without altering flash).
> 
> A solution to do that could be to add an argument to UBI_IOCATT ioctl.
> 
> Another solution should be to have a way to switch MTD_WRITEABLE flags.
> 
> What do you think a that ?
> 
> 
> PS : attached a proof of concept for solution 1

Did you get any further with this patches? Is it now possible to safely mount 
UBIFS in read-only mode in some way please?

Thanks!

Best regards,
Marek Vasut