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Re: Error with libreiserfs

From: Andrew Clausen
Subject: Re: Error with libreiserfs
Date: Tue, 10 Dec 2002 10:23:13 +1100
User-agent: Mutt/1.4i

On Mon, Dec 09, 2002 at 04:50:00PM +0300, Yura Umanets wrote:
> Hi Andrew,
> It seems, if reiserfs support is not installed, command mkpartfs primary 
> reiserfs 0 2000 leads the following error:
> Error: Unable to satisfy all constraints on the partition

Ah, ooops!

Basically: that error makes sense (to us programmers), because
the constraint is: "there is no way to do this" (NULL).

So, what should ped_file_system_get_create_constraint() return if
there's no implementation for that fs?  Should the front-end
check if it's NULL, and deduce there's no support for that FS?

This is a big problem in general with constraint solvers: they
are good at finding solutions, but bad at explaining why solutions
don't exist.



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