Speed of JFFS2 on compact flash

Artem B. Bityuckiy dedekind at infradead.org
Wed May 4 04:37:35 EDT 2005


On Tue, 2005-05-03 at 23:49 +0000, Ryan B. Lynch wrote:
> I'm testing a JFFS2 filesystem on a compact flash card.  The filesystem 
> is almost 1GB in size, nearly the entire flash card.
> 
> 'mount' works normally, but it takes a while to finish mounting the 
> device.  Some write operations, especially right after mounting, also 
> take a long time.

The answer is - JFFS2 is very bad solution in such a large flashes. And
it is normal it is slow on them. Please, read http://www.linux-
mtd.infradead.org/tech/JFFS3design/node3.html for more info.





More information about the linux-mtd mailing list