[RFC/PATCH 2/3] NAND multiple plane feature

Jörn Engel joern at logfs.org
Fri Jun 6 12:22:39 EDT 2008


On Fri, 6 June 2008 15:01:05 +0100, Alexey Korolev wrote:
>
> We just tried to check your scenario. It is not
> possible to overwrite something if JFFS2 returned -ENOSPC until
> something got deleted. 
> 
> In fact our test suite do not include this test case. We have another.
> Write file1 at about 5% of whole space, write file2 for rest of space.
> Delete file1. Do step 2. 
> In this not so good case we got the following numbers:
> 
> single-plane:
> 73 sec 424541 usec
> 
> dual-plane:
> 69 sec 428637 usec

An improvement instead of the expected regression.  Impressive.

Jörn

-- 
tglx1 thinks that joern should get a (TM) for "Thinking Is Hard"
-- Thomas Gleixner



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