I am in for that. I want to use an sd-modded wrt54gl and a usbsticked wl500w this way.

Therefore I'd also like to put the optimized mmc module for kernel2.4 in the trunk. Any opinions? Should we keep the old and setup a kmod-broadcom-mmc2 or replace the old one (which doesn't work with my setup).

How about:
device node/fs/modules uci configurable
if everything goes well the device is used instead of root_fs_data.

While trying I came to a point where /etc/passwd was created on the stick only. This is problematic. I think the router should be able to work basically also without the extra filespace. Therefore I currently think it would make sense to overlay an existing jffs data partition. As the wl500w has 8MB space I currently tryout a setup without squashfs. But this might be impossible on 4MB devices.

result would be:
squashfs OVERLAYEDBY jffs (OVERLAYEDBY usb/mmc if exists)

... could anybody offer some help? I am really not experienced in the matter, but I am definitely interested in improving the situation. The result should be a switch on/works solution without fiddling the start scripts.

.. bud


On 19.08.2009 16:23, Brian J. Murrell wrote:
On Tue, 2009-08-18 at 20:38 -0400, Stefan Monnier wrote:
I am having a hard time to find the place where mounting root "/" really
happens ..

It's in /sbin/mount_root.  And yes, it is not exactly trivial to find
(although in retrospect I had to admit that the name should have made it
pretty obvious).

See below the patch I use on my WL-700gE to mount the IDE drive's partition.

I really wish we could get some form of official support upstream for /
mounted on USB devices.  It seems that more and more people are
re-inventing this wheel.  Sadly.

b.



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