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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: "Lukáš Czerner" <lczerner@redhat.com>
Cc: Dave Chinner <david@fromorbit.com>,
	"Theodore Ts'o" <tytso@mit.edu>, JP Abgrall <jpa@google.com>,
	Eric Sandeen <sandeen@redhat.com>,
	linux-ext4@vger.kernel.org, Geremy Condra <gcondra@google.com>,
	"linux-fsdevel\@vger.kernel.org" <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH] ext4: Add support for SFITRIM, an ioctl for secure FITRIM.
Date: Thu, 19 Jun 2014 22:44:28 -0400	[thread overview]
Message-ID: <yq1mwd8jo4z.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <alpine.LFD.2.00.1406191014510.2182@localhost.localdomain> ("Lukáš Czerner"'s message of "Thu, 19 Jun 2014 10:15:49 +0200 (CEST)")

>>>>> "Lukáš" == Lukáš Czerner <lczerner@redhat.com> writes:

>> Scrubbing is something people already understand and it's clear that
>> it's a data manipulation operation and not some magic "secure"
>> operation. And by calling it "scrub" we get away from the idea that
>> it only works on specific hardware - hardware acceleration is good,
>> but there's no reason why we should design the functionality to only
>> be useful on systems with hardware scrubbing capability...

Lukáš> +1 for the "scrub" operation, it makes perfect sense to me.

I'm not sure I agree with the choice of "scrub" to describe this:

	http://en.wikipedia.org/wiki/Data_scrubbing

What about purge or sanitize? That's what the security folks generally
use...

-- 
Martin K. Petersen	Oracle Linux Engineering
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  reply	other threads:[~2014-06-20  2:44 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1402625647-31439-1-git-send-email-jpa@google.com>
2014-06-13  2:36 ` [PATCH] ext4: Add support for SFITRIM, an ioctl for secure FITRIM Eric Sandeen
2014-06-13  3:02   ` JP Abgrall
2014-06-13  3:12     ` Eric Sandeen
2014-06-13  3:19       ` JP Abgrall
2014-06-13  3:24         ` Eric Sandeen
2014-06-13  4:37           ` JP Abgrall
2014-06-13  3:15   ` Dave Chinner
2014-06-13  3:30     ` Dave Chinner
2014-06-13  4:37       ` JP Abgrall
2014-06-13  5:07         ` Dave Chinner
2014-06-13 14:20           ` Theodore Ts'o
2014-06-13 14:31             ` Theodore Ts'o
2014-06-13 19:44               ` JP Abgrall
2014-06-13 19:57                 ` Eric Sandeen
2014-06-13 20:12                   ` JP Abgrall
2014-06-13 23:41                 ` Theodore Ts'o
2014-06-14  0:46                   ` JP Abgrall
2014-06-17  2:49                   ` Dave Chinner
2014-06-17 11:27                     ` Theodore Ts'o
2014-06-17 11:55                     ` Lukáš Czerner
2014-06-17 12:46                       ` Theodore Ts'o
2014-06-17 13:00                         ` Lukáš Czerner
2014-06-17 13:54                           ` Theodore Ts'o
2014-06-17 17:53                             ` JP Abgrall
2014-06-18  9:33                               ` Lukáš Czerner
2014-06-18 21:51                                 ` JP Abgrall
2014-06-19  8:10                                   ` Lukáš Czerner
2014-06-18 22:06                                 ` Theodore Ts'o
2014-06-19  0:36                                   ` Dave Chinner
2014-06-19  8:15                                     ` Lukáš Czerner
2014-06-20  2:44                                       ` Martin K. Petersen [this message]
2014-06-19  8:33                                   ` Lukáš Czerner
2014-06-17 17:35                           ` JP Abgrall

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