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Sender: Richard Zidlicky <rdzidlic@googlemail.com>
Date: Fri, 23 Apr 2010 00:22:27 +0200
From: Richard Zidlicky <rz@linux-m68k.org>
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References: <20100422004842.5eb40c0a@gmail.com> <4BCF8371.60306@redhat.com>
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Subject: Re: [dm-crypt] LUKS - SSD trim
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To: Milan Broz <mbroz@redhat.com>
Cc: dm-crypt@saout.de, Felix Blanke <felixblanke@gmail.com>

On Thu, Apr 22, 2010 at 01:00:01AM +0200, Milan Broz wrote:
> On 04/22/2010 12:48 AM, Felix Blanke wrote:
> > does anybody know a way to trim a luks encrypted SSD? (btrfs filesystem
> > on top, but I think that doesn't count)
> 
> TRIM is not yet supported in device-mapper devices (thus dm-crypt/LUKS too)
> but it is planned.

isn't TRIM considered information leakage in the case of dm-crypt?

Richard