On Wed, 2018-03-07 at 14:08 -0800, Steve deRosier wrote: > > To clarify one thing: the reason for this is MLC has actually never > been supported, nor worked properly. The fact that it kinda worked was > incidental and the cause of major problems for people due to that not > being clear. This patch only makes it explicit and avoids people > mistakenly trying to use UBIFS on MLC flash and risking their data and > products. To me, that's what's important. > > This is an important patch, even if all it does is keep people from > loosing data. It also changes the conversation from "I have a > corrupted UBIFS device, BTW it's on MLC..." to "What can we do to get > UBIFS to work on MLC".
This is a bug fix. UBI on MLC never worked. It was a bug that we ever permitted it. This is now fixed. Actually making UBI on MLC *work* would be a feature, and wouldn't be backported to stable. But this one is *absolutely* appropriate for a stable backport.
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