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Gmane
From: Jeff Cook <jeff <at> deserettechnology.com>
Subject: Re: [PATCH] dm-crypt: add mapping table option to allowing discard requests
Newsgroups: gmane.linux.kernel.device-mapper.devel
Date: Friday 15th July 2011 00:56:03 UTC (over 5 years ago)
On 07/14/2011 05:56 AM, Milan Broz wrote:
> Add optional parameter field to dmcrypt table and support
> "allow_discards" option.
> 
> Discard requests bypass crypt queue processing, bio
> request is simple remapped to underlying device.
> 
> Note that discard will be never enabled by default because
> of security consequences, it is up to administrator
> to enable it for encrypted devices.
> 
> (Note that userspace cryptsetup will not understand new
> optional parameters yet, support for this will come later.)
> 
> Signed-off-by: Milan Broz 
> [snip]

Thanks very much for this patch Milan. I will try compiling it shortly
and see where things go -- are you expecting this to be submitted for
inclusion in mainline soon?

Thanks again.

From
Jeff
 
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