Messages in this thread | | | Subject | Re: [PATCH] UBI: add minimal amount of reserved erase blocks in Kconfig | From | Artem Bityutskiy <> | Date | Tue, 03 Jul 2012 13:46:22 +0300 |
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On Sat, 2012-06-30 at 23:43 +0300, Shmulik Ladkani wrote: > First, change the semantics of CONFIG_MTD_UBI_BEB_RESERVE to be the > percent of total number of eraseblocks (instead of total number of > _good_ eraseblocks). And 'reserve' counts for both existing bad PEBs > and those reserved for future bad PEB handling. > Note this would still be % of the blocks in the mtd partition (and as > such, it is very loosely related to the MBB of the device, if at all). > > Then, Richard may introduce the MBB parameter to ubiattach, and later > may kill CONFIG_MTD_UBI_BEB_RESERVE (if no longer needed). The > calculations will be according to the new parameter. > > What do you say? > > On a side note, the new ubiattach parameter should not be called MBB, > but rather a generic "reserved" (or "% reserved"). > > This is since the MBB is a property of the mtd nand device. > But the ubi user may issue, for the partition attached, a value other > than the device's MBB, according to his storage needs and > risks/securities he is willing to take.
Sounds good, thank you!
-- Best Regards, Artem Bityutskiy [unhandled content-type:application/pgp-signature] | |