On Mon, May 8, 2017 at 12:49 PM, Pavel Machek <pavel@xxxxxx> wrote: > Aha, nice, so it looks like ubifs is a step back here. > > 'clean marker' is a good idea... empty pages have plenty of space. If UBI (not UBIFS) faces an empty block, it also re-erases it. The EC header is uses as clean marker. > How do you handle the issue during regular write? Always ignore last > successfully written block? The last page of a block is inspected and allowed to be corrupted. > Do you handle "paired pages" problem on MLC? Nope, no MLC support in mainline so far. -- Thanks, //richard