* Speed of JFFS2 on compact flash
@ 2005-05-03 23:49 Ryan B. Lynch
2005-05-04 8:37 ` Artem B. Bityuckiy
0 siblings, 1 reply; 2+ messages in thread
From: Ryan B. Lynch @ 2005-05-03 23:49 UTC (permalink / raw)
To: linux-mtd
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.
Is this behavior normal? I've read in the archives that larger JFFS2
filesystems can be slow. Has anyone else played around with a JFFS2
filesystem this big, and if so, could you give me your impressions of
using it?
-Ryan
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Speed of JFFS2 on compact flash
2005-05-03 23:49 Speed of JFFS2 on compact flash Ryan B. Lynch
@ 2005-05-04 8:37 ` Artem B. Bityuckiy
0 siblings, 0 replies; 2+ messages in thread
From: Artem B. Bityuckiy @ 2005-05-04 8:37 UTC (permalink / raw)
To: Ryan B. Lynch; +Cc: linux-mtd
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.
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