[gentoo-embedded] usb memory handling

[gringo]

Hi all!

first of all, thankx to solar for its help in this last discussion, your 
script is very handy anmd helped a lot ;)
http://www.mail-archive.com/gentoo-embedded@l.g.o/msg00542.html


Now, im not sure what is the best way of handling the memory what 
mounting the rootfs refers. I tried both methods i know of:

- rootfs in initrd ... slow like hell when copying kernel and initrd to 
ram on usb1.1. Rootfs about 4-6 mbs.
- rootfs is on the memory and with the rootdelay kernel parameter, very 
fast when compared to the above method.

I know usb memories have a short write cyrcle life so am i wrong when 
thinking that the best is a mix of both, ie mounting /var in a ramdisk 
and such things ? What about using jff2 and what about the io scheduler 
f.ex ? Arent anticipatory or cfq useless when accessing a memory ?

And a last question ... how do i include f.ex udev or tinyx in busybox 
??? Im used to diff format patches and looking to the *.mk  file does 
not help me much ...  sorry if this is too obvious ...

TIA
Andrés


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