[RFC][PATCH 0/7] UBI checkpointing support

Richard Weinberger rw at linutronix.de
Thu Mar 8 04:21:44 EST 2012

On 08.03.2012 08:08, Shmulik Ladkani wrote:
> But doesn't the CP data (sorry, UBIUBI data :) need to have one
> 'struct ubi_cp_ec' descriptor for each used/free PEB, and as such the
> maximum number of 'ubi_cp_ec' descriptors is total device PEBs, meaning
> CP data is still linearly scaled to device size (with a very small
> multiplier)?

It's UBIVIS data. :D

The size of the checkpoint depends on the number of free/used PEBs.
But in most cases the checkpoints fits into one or two PEBs.
Because larger devices have larger erase blocks...


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