[PATCH/RFC] Linux MTD striping middle layer

Nicolas Pitre nico at cam.org
Tue Mar 21 14:37:48 EST 2006


On Tue, 21 Mar 2006, Artem B. Bityutskiy wrote:

> On Tue, 2006-03-21 at 21:11 +0300, Alexander Belyakov wrote:
> > Striped mtd device erasesize is an erasesize of subdevice multiplied by 
> > number of subdevices (in case of equal erasesize subdevices). As 
> > erasesize is commonly considered as a power-of-2 number it is not good 
> > idea to use 3, 5, etc devices.
> Why? I don't see any thing bad with having 3*128KiB eraseblock size...

I agree with you ....... as long as someone is willing to audit all MTD 
client code to certify that no assumption about erase block sizes being 
a power of 2 is present.


Nicolas




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