From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joe Thornber <thornber@redhat.com>
Subject: Re: [PATCH v2] dm thin: fix table output when pool
 target disables discard passdown internally
Date: Fri, 18 May 2012 16:14:28 +0100
Message-ID: <20120518151427.GA24493@ubuntu>
References: <1337310059-8517-1-git-send-email-snitzer@redhat.com>
	<1337353441-12647-1-git-send-email-snitzer@redhat.com>
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On Fri, May 18, 2012 at 11:04:01AM -0400, Mike Snitzer wrote:
> When the thin pool target clears the discard_passdown parameter
> internally, it incorrectly reports this to userspace on the table line.
> This patch corrects this by no longer changing the table line to reflect
> that discard passdown was disabled.
> 
> We can still tell when discard passdown is overridden by looking for the
> message "Discard unsupported by data device (sdX): Disabling discard passdown."
> 
> Signed-off-by: Mike Snitzer <snitzer@redhat.com>

Ack