[PATCH] UBI: Add ro-mode sysfs attribute

[Richard Weinberger]

Am 28.04.2016 um 20:28 schrieb Ezequiel Garcia:
> On certain situations, UBI may detect serious device corruption,
> and switch to read-only mode to protect the data and allow debugging.
> This commit exposes this ro-mode on sysfs, so it can be obtained
> by userspace tools.
> 
> Signed-off-by: Ezequiel Garcia <ezequiel at vanguardiasur.com.ar>

Makes sense. Please also document the new attribute in
Documentation/ABI/stable/sysfs-class-ubi,

Thanks,
//richard