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Re: Error with libreiserfs

From: Yury Umanets
Subject: Re: Error with libreiserfs
Date: Tue, 10 Dec 2002 13:30:50 +0300
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20021130

Andrew Clausen wrote:

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.


Probably one simple check if filesystem implemented after there is no solution will help?


Yury Umanets

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