From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from csamuel.org ([74.50.50.137]:58003 "EHLO csamuel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755133AbaCNHd1 (ORCPT ); Fri, 14 Mar 2014 03:33:27 -0400 Received: from localhost (localhost [127.0.0.1]) by csamuel.org (Postfix) with ESMTP id 3990F41774 for ; Fri, 14 Mar 2014 18:33:27 +1100 (EST) Received: from csamuel.org ([127.0.0.1]) by localhost (csamuel.org [127.0.0.1]) (amavisd-maia, port 10024) with LMTP id 15134-02 for ; Fri, 14 Mar 2014 18:33:27 +1100 (EST) Received: from quad.localnet (ppp59-167-127-196.static.internode.on.net [59.167.127.196]) by csamuel.org (Postfix) with ESMTPSA id C73D441772 for ; Fri, 14 Mar 2014 18:33:26 +1100 (EST) From: Chris Samuel To: linux-btrfs@vger.kernel.org Subject: Re: discard synchronous on most SSDs? Date: Fri, 14 Mar 2014 18:33:24 +1100 Message-ID: <5289248.oqpgSKG6td@quad> In-Reply-To: <20140314051750.GY6143@merlins.org> References: <531C1CC4.701@gmail.com> <20140314051750.GY6143@merlins.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart6776770.CkBIl5dEYt"; micalg="pgp-sha1"; protocol="application/pgp-signature" Sender: linux-btrfs-owner@vger.kernel.org List-ID: --nextPart6776770.CkBIl5dEYt Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" Hi Marc, On Thu, 13 Mar 2014 10:17:50 PM Marc MERLIN wrote: > I'm not sure I'm seeing this, which field is that? I *think* you want smartctl -i instead, and look for the field that say= s=20 something like: ATA Version is: ATA8-ACS, ACS-2 T13/2015-D revision 3 So if my understanding is correct that says it's just rev. 3.0 so TRIM = for=20 this is synchronous. Good luck! Chris =2D-=20 Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC --nextPart6776770.CkBIl5dEYt Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQEVAwUAUyKwxI1yjaOTJg85AQKYKAf/eLtJ/sL/ngqRMPYhMmcEYnsMw134t9A7 xc/cE19BRgwGOplkluiYoL7Is+3JUyqUMjZDopxC+90S4MNjv09GQx4yAE7XWHn9 /nlfZPYfckYnOuu85xqhjhhIu7XB67xR/D+E4hGyQbQs7Q8qp1+XqRwd1Nj8pVa8 7TavBjszNompl5g71mkTNHZGNcHex0a1JG8eHUeuTBG6Y7klmb5SQg6Bwch0o5sF pupeuBhkEcU7L5JvaYX0miUVOWPLAO8sxt7xbVqz5X8Zw/vk6jC8lPAq6+P+UwOt yu7tfmKDhsPXkPx3kHxwrQZFVdNjNGsr/pVn0f/AAXjViJtbHqgfWA== =ohnV -----END PGP SIGNATURE----- --nextPart6776770.CkBIl5dEYt--