From owner-svn-src-all@FreeBSD.ORG Thu Mar 21 11:16:03 2013 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id D5D3CFB2; Thu, 21 Mar 2013 11:16:03 +0000 (UTC) (envelope-from prvs=1792b855f9=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id 30C1FE61; Thu, 21 Mar 2013 11:16:02 +0000 (UTC) Received: from r2d2 ([82.12.16.150]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50002845143.msg; Thu, 21 Mar 2013 11:16:01 +0000 X-Spam-Processed: mail1.multiplay.co.uk, Thu, 21 Mar 2013 11:16:01 +0000 (not processed: message from valid local sender) X-MDDKIM-Result: neutral (mail1.multiplay.co.uk) X-MDDNSBL-Result: mail1.multiplay.co.uk, Thu, 21 Mar 2013 11:16:01 +0000 zen.spamhaus.org returned result of 127.0.0.11 X-MDRemoteIP: 82.12.16.150 X-Return-Path: prvs=1792b855f9=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: <7730C76F790D4A2FAF0E433695BC3EC9@multiplay.co.uk> From: "Steven Hartland" To: "Dmitry Morozovsky" References: <201303210934.r2L9YgE0015437@svn.freebsd.org> Subject: Re: svn commit: r248572 - in head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs: . sys Date: Thu, 21 Mar 2013 11:15:58 -0000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Mar 2013 11:16:03 -0000 ----- Original Message ----- From: "Dmitry Morozovsky" > On Thu, 21 Mar 2013, Steven Hartland wrote: > >> Author: smh >> Date: Thu Mar 21 09:34:41 2013 >> New Revision: 248572 >> URL: http://svnweb.freebsd.org/changeset/base/248572 >> >> Log: >> Add TRIM support for L2ARC. >> >> This adds TRIM support to cache vdevs. When ARC buffers are removed >> from the L2ARC in arc_hdr_destroy(), arc_release() or l2arc_evict(), >> the size previously occupied by the buffer gets scheduled for TRIMming. >> As always, actual TRIMs are only issued to the L2ARC after >> txg_trim_limit. >> >> Reviewed by: pjd (mentor) >> Approved by: pjd (mentor) >> Obtained from: https://github.com/dechamps/zfs/commit/31aae373994fd112256607edba7de2359da3e9dc >> MFC after: 2 weeks > > Wow! > > Thank you very much. > > (I possibly missed -- when did TRIM support for regular ZFS MFCed to stable/9?) We've been doing extensive testing in production of ZFS TRIM and following this latest set of patches I intend to get TRIM MFC'ed to stable-8 & stable-9 baring any objections. Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.