Messages in this thread | | | Date | Fri, 17 Aug 2012 15:43:32 +0200 | From | Richard Weinberger <> | Subject | Re: UBI fastmap updates |
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Am Fri, 17 Aug 2012 16:41:24 +0300 schrieb Artem Bityutskiy <artem.bityutskiy@linux.intel.com>:
> On Fri, 2012-08-17 at 15:33 +0200, Richard Weinberger wrote: > > Am Fri, 17 Aug 2012 16:11:55 +0300 > > schrieb Artem Bityutskiy <artem.bityutskiy@linux.intel.com>: > > > We do not do anything like this in UBI because UBI does not need > > > this, it does not have any complex data structures on the media. > > > > > > With fastmap - I am unsure. I think it is not a problem, because > > > probably you never append more data, you just re-write everything, > > > right? > > > > Yep, the on-flash fastmap is immutable. > > Here the question is - if you have PEB containing fastmap data, > half-filled. Will you ever add more data there to the empty space in > the PEB or not? >
No, data is never added to a half-filled PEB. Fastmap does not share PEBs with other sub-systems by design.
Thanks, //richard
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