[PATCH/RFC] Linux MTD striping middle layer

Jörn Engel joern at wohnheim.fh-wedel.de
Tue Mar 21 15:24:42 EST 2006


On Tue, 21 March 2006 14:37:48 -0500, Nicolas Pitre wrote:
> 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.

Hasn't that already been done for dataflash?  As long as some people
still use dataflash, we have people (un?)willingly testing this.

Jörn

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