does compressed JFFS filesystem need ramdisk?

Jörn Engel joern at
Tue Nov 26 23:05:00 EST 2002

On Wed, 27 November 2002 11:32:19 +0800, fred wrote:
> I read the mtd/mtd-jffs-HOWTO.txt in MTD home page
> I found that if I'd like to use a compressed JFFS2 file system on MTD device
> as root, I would have to decompress it on boot to RAMDISK (in DRAM) and then
> mount it.
> Is it true?

Nope. The compression is transparent, you will only notice it when
wondering, if 5MB of data will fit into an fs with 3MB free. ;-)


Ninety percent of everything is crap.
-- Sturgeon's Law

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