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From: Jeff Cook <jeff@deserettechnology.com>
To: device-mapper development <dm-devel@redhat.com>
Cc: list@eworm.de, Milan Broz <mbroz@redhat.com>
Subject: Re: [PATCH] dm-crypt: add mapping table option to allowing discard requests
Date: Thu, 14 Jul 2011 18:56:03 -0600	[thread overview]
Message-ID: <4E1F9023.5020801@deserettechnology.com> (raw)
In-Reply-To: <1310644590-14438-1-git-send-email-mbroz@redhat.com>

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 <mbroz@redhat.com>
> [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

  reply	other threads:[~2011-07-15  0:56 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-14 11:56 [PATCH] dm-crypt: add mapping table option to allowing discard requests Milan Broz
2011-07-15  0:56 ` Jeff Cook [this message]
2011-07-15  1:07   ` Alasdair G Kergon
2011-07-15  1:13   ` Mike Snitzer
2011-07-22  9:41     ` Jeff Cook
2011-07-22 10:58       ` Milan Broz
2011-07-15  1:26   ` [PATCH] " Alasdair G Kergon

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