Re: [microblaze-uclinux] changing fstab

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi Brett,

Brett Brotherton wrote:

> I am using the 2.4 kernel on the ML401 Board, and want to know how to
> edit the fstab file so that I can mount a JFFS2 filesystem at boot, I
> have searched throught the sources and cannot seem to locate the fstab
> file.

If you are using flatfsd (which by default PetaLinux targets do), then 
you shold see on boot the /etc/fstab is a symlink to /etc/config/fstab

Thus, you can just edit /etc/fstab after the system has booted, save 
your changes then do "flatfsd -s" to commit those changes to the flash, 
and they shold be persistent across the next boot.

The first time flatfsd is run, it initialises /etc/config from 
/etc/default, so you can modify your vendors Makefile 
(petalinux-dist/vendors/XXX/YYY/Makefile) to create this file as you 
require, something like

romfs::
	$(ROMFSINST) -a "/dev/mtdblock0 jffs2 /mnt" /etc/default/fstab

This will add the string "/dev/mtdblock0..." to the 
$(ROMFSDIR)/etc/default/fstab file.

I hope this clears things up.

Regards,

John
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