From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:60504 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752430AbaFFAfZ (ORCPT ); Thu, 5 Jun 2014 20:35:25 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Wsi7v-0000xN-2d for linux-btrfs@vger.kernel.org; Fri, 06 Jun 2014 02:35:23 +0200 Received: from ip68-231-22-224.ph.ph.cox.net ([68.231.22.224]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 06 Jun 2014 02:35:22 +0200 Received: from 1i5t5.duncan by ip68-231-22-224.ph.ph.cox.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 06 Jun 2014 02:35:22 +0200 To: linux-btrfs@vger.kernel.org From: Duncan <1i5t5.duncan@cox.net> Subject: Re: Using BTRFS on SSD now ? Date: Fri, 6 Jun 2014 00:35:08 +0000 (UTC) Message-ID: References: <2215647.hErg5R77lo@zafu> <20140605145632.GD14713@merlins.org> <20140605190526.GS7210@merlins.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Martin K. Petersen posted on Thu, 05 Jun 2014 19:58:26 -0400 as excerpted: >>>>>> "Duncan" == Duncan <1i5t5.duncan@cox.net> writes: > > Duncan> OTOH, certain high-performance hardware goes beyond the current > Duncan> standard and does a queued trim, without forcing a flush of the > Duncan> queue in the process. But this hardware tends to be rather rare > Duncan> and expensive, > > Queued trim has started to appear in consumer SSDs. However, since we're > the only OS that supports it the feature has come off to a bumpy start. > We tried to enable it on a drive model that passed testing here but we > had to revert to unqueued when bug reports started rolling in this week. [more elided] Thanks. Fresher and better information than I had. =:^) -- Duncan - List replies preferred. No HTML msgs. "Every nonfree program has a lord, a master -- and if you use the program, he is your master." Richard Stallman