* Mix flash sector size and JFFS2
@ 2002-08-05 8:56 Sylvain Meunier
2002-08-05 14:01 ` David Woodhouse
0 siblings, 1 reply; 2+ messages in thread
From: Sylvain Meunier @ 2002-08-05 8:56 UTC (permalink / raw)
To: linux-mtd
Hello,
Does a single filesystem JFFS2 need that all sectors of flash partition
are same size or
could we use different sector size (as for some flash that mix small and
big sector). ?
Thanks
Sylvain
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Mix flash sector size and JFFS2
2002-08-05 8:56 Mix flash sector size and JFFS2 Sylvain Meunier
@ 2002-08-05 14:01 ` David Woodhouse
0 siblings, 0 replies; 2+ messages in thread
From: David Woodhouse @ 2002-08-05 14:01 UTC (permalink / raw)
To: Sylvain Meunier; +Cc: linux-mtd
meunier@enst.fr said:
> Does a single filesystem JFFS2 need that all sectors of flash
> partition are same size or could we use different sector size (as for
> some flash that mix small and big sector). ?
JFFS2 only operates with a single sector size. However, when you have
smaller erase blocks you will generally find that they add up to a single
block's worth of the normal erase size. For example, 8*8KiB + 15*64KiB.
JFFS2 will work OK on that, and just treat the 8*8KiB blocks as a single
64KiB block.
--
dwmw2
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