Hello,
Maybe it is more accurate to term the problem "not so common" instead of "theoretical".
Second, you suggested "Look at /proc/filesystems. Do this right after boot ..".
Well , this as you said, shows "filesystems supported at the moment, regardless of whether they are builtin or loaded as modules..."
But my aim , as I said in my question , was to know exactly whether ext3 is a builtin or loaded a modules.
Thnks, Dan
From: Yedidyah Bar-David <[EMAIL PROTECTED]> To: Dan Kaspi <[EMAIL PROTECTED]> CC: [EMAIL PROTECTED] Subject: Re: ext3 in the kernel image or as a module Date: Mon, 29 Nov 2004 21:12:35 +0200
On Mon, Nov 29, 2004 at 06:26:33PM +0200, Dan Kaspi wrote: > Hello, > > This is a question which may be less practical and more theoretical,
I think it's very practical.
> ,but it interests me though:
>
> I have a bzImage. It was built with 2.6.* kernel. I do not know the
> configuarion
> ( More rpecisely :I'm not sure I have the .config file it was built with ).
2.6 added the option to include this file in the kernel itself, as /proc/config.gz. You might look there.
> I want to know if the ext3 was build into this kernel image or as a module.
>
> (It seems to me that looking under /lib/modules/version/fs/ext3 does not
> indicate it truly ; an ext3.ko could be put there afterwards)
Could be, but not very likely.
> > While the practical solution can be "configure it as a module or > as part of the image and the build it", it interests me if I can explore > this info from the bzImage ; when this image is loaded at boot time , > then cat /proc/kallsyms | grep ext3 gives nothing.
Look at /proc/filesystems. Do this right after boot - your initrd might load it as a module. It contains the filesystems supported at the moment, regardless of whether they are builtin or loaded as modules. -- Didi
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