Re: filesystem for initrd

Ingo Oeser (ingo.oeser@informatik.tu-chemnitz.de)
Mon, 12 Mar 2001 14:51:46 +0100

On Sat, Mar 10, 2001 at 07:28:53PM -0500, Jeff Garzik wrote:
> cramfs is nice but still read-only at the moment... You might be able
> to get away with stacking ramfs on top of that.

What is easier because this ...

> If not, it shouldn't be hard to modify cramfs so that it allows
> fs modifications... just stick the updated pages in RAM until
> the file is unlinked or the fs is unmounted.

... will lead into problems accounting available space on the fs,
since openers don't expect that they cannot write to a file
anymore, just because we we are out of RAM for backing the
writes.

I think unionfs will care for this kind of problems once we have
it implemented in an official tree.

Regards

Ingo Oeser

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