jffs2 vs. ext3

[George G. Davis]

Siddharth Choudhuri wrote:
> I am trying jffs2 and ext3 on a 3MB Intel NOR flash. I have a piece of
> code in function part_write (mtdpart.c) that outputs the size in bytes and pid
> of the process (current) sending write requests.
> 
> With ext3, no matter how many bytes are written (by an application/user
> level program), the part_write function always gets a request that is
> multiple of 128K (131072 bytes). This does not happen with jffs2 though.
> Also, with ext3, the process is always mtdblockd, whereas with jffs2 the
> process sending the request is the actual user/application process.
> 
> Any ideas why it happens ?

... also with ext3, you'll have a brick(TM) pretty soon too. ; )
Hint: ext3 doesn't not do flash wear levelling. You'll burn out
your flash chips pretty soon.

--
Regards,
George

> 
> thanks in advance,
> -siddharth
> 
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