Data read/write request length in UBIFS!!!

Artem Bityutskiy dedekind1 at gmail.com
Wed Apr 21 12:42:43 EDT 2010


On Wed, 2010-04-21 at 22:02 +0530, Murali N wrote:
> Hi,
> I have few basic doubt on UBIFS/UBI.
> 
> At present i am seeing some 64 bytes read request coming while doing
> the "ubiattach" on one of the MTD partition.

Why is this a problem?

> What's the typical read/write length request that come's from the UBIFS?

It depends of what is being read. Sometimes these are few bytes (reading
LPT or a direntry), sometimes 1-2 pages (reading file data), sometimes
whole eraseblock (GC-ing).

> In a normal scenario read/write requests to flash would be multiple of
> flash page size? or it could be of any size?

Any size.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)




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