linux-kernel - Re: TRIM/UNMAP/DISCARD via ATA Passthrough

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <yq1d1k6l43x.fsf@sermon.lab.mkp.net>
Date:   Wed, 14 Sep 2016 14:37:38 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     linux-scsi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: TRIM/UNMAP/DISCARD via ATA Passthrough

>>>>> "Jason" == Jason A Donenfeld <Jason@...c4.com> writes:

Jason,

Jason> These USB enclosures do not support SCSI UNMAP. However, they do
Jason> support ATA-passthrough, and `hdparm -I` shows that TRIM is
Jason> supported.

How do they signal that they support the passthrough?

-- 
Martin K. Petersen	Oracle Linux Engineering