[Yaffs] Re: yaffs2 status

[Nick Bane]

> Hi,
>=20
> > For best mount-time splitting your flash into more than one =
partition is
> > often smart so you can boot from a small partition and give=20
> user feedback
> > whilst mounting a larger data partition. Obviously this doesn't suit =
all
> > applications.
>=20
> Can anybody post any reference numbers? For example it takes me 20+
> minutes to mount 256 MByte NAND partion with a 200 MByte file on it
> when using jffs2.
> Any idea what I may gain by moving to yaffs2?
>=20
These results are using yaffs1.=20
I expect the process to be faster using yaffs2 due to the faster =
interface and smaller number of headers to scan.
We have 128MByte nand chips fairly full and they don't take forever to =
scan.=20
This is anecdotal but my impression is of the order of 10 secs.
The poor boot time scaling of jffs2 and large amounts or ram used were =
prime reasons why we sponsored the yaffs effort.
We are very pleased with the results.

I just asked one of the testers and he says that the mounting pause =
during boot up is about 8 secs with 77MB used.

Nick Bane

--=20
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