Messages in this thread | | | Subject | Re: [PATCH] UBI: add minimal amount of reserved erase blocks in Kconfig | From | Artem Bityutskiy <> | Date | Fri, 29 Jun 2012 18:07:02 +0300 |
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On Fri, 2012-06-29 at 16:57 +0200, Richard Genoud wrote: > 2012/6/29 Artem Bityutskiy <dedekind1@gmail.com>: > >> I was thinking that instead of giving to ubiattach the MBB, we could > >> give it the MBB percentage (maximum bad blocks percentage of the whole > >> flash device). > >> From this % and the whole flash size, we get the MBB number, and set > >> beb_rsvd_level for each MTD part. > > > > Well, I thought that it may be not flexible enough for some people, > > because you cannot give 1.5%, since flaoting-point arithmetic in the > > kernel is not used. > So there's 2 ways to bypass that : > - use per-1024 instead of percent => the default value would be 20. > - let ubiattach do the conversion from MBB% to MBB > I like the 1st one because it gives a number close to what we have in > the datasheets. > What do you think ?
Yeah, probably, centi-percents would be OK.
-- Best Regards, Artem Bityutskiy [unhandled content-type:application/pgp-signature] | |