From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: [patch] fs: improved handling of page and buffer IO errors
Date: Wed, 22 Oct 2008 22:19:51 +0200
Message-ID: <20081022201951.GS12825@one.firstfloor.org>
References: <20081021112137.GB12329@wotan.suse.de> <87mygxexev.fsf@basil.nowhere.org> <20081022103112.GA27862@wotan.suse.de> <20081022184624.GB31902@cynthia.pants.nu>
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Cc: Nick Piggin <npiggin@suse.de>, Andi Kleen <andi@firstfloor.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	linux-fsdevel@vger.kernel.org
To: Brad Boyer <flar@allandria.com>
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> Something that might be useful for this kind of testing is a block
> device that is just a map onto a real block device but allows the
> user to configure it to generate various errors. If we could set it

Both MD and DM have such injectors. That's not the problem. The problem
is the lack of a standard test suite that sets it all up and exercises
the relevant paths in the VM and FS.

-Andi