From owner-svn-src-head@freebsd.org Fri Nov 30 21:29:23 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5B0151150BE1 for ; Fri, 30 Nov 2018 21:29:23 +0000 (UTC) (envelope-from steven.hartland@multiplay.co.uk) Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7C5D97852A for ; Fri, 30 Nov 2018 21:29:22 +0000 (UTC) (envelope-from steven.hartland@multiplay.co.uk) Received: by mail-ed1-x531.google.com with SMTP id f23so5997542edb.3 for ; Fri, 30 Nov 2018 13:29:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=multiplay-co-uk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; 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Fri, 30 Nov 2018 13:29:21 -0800 (PST) Received: from [10.44.128.75] ([161.12.40.153]) by smtp.gmail.com with ESMTPSA id x58sm1693633edm.10.2018.11.30.13.29.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 30 Nov 2018 13:29:20 -0800 (PST) Subject: Re: svn: head/usr.bin: . trim To: Eugene Grosbein , Warner Losh , Alexey Dokuchaev Cc: src-committers , svn-src-all@freebsd.org, svn-src-head@freebsd.org, Cy Schubert References: <20181130011713.42B641D27@spqr.komquats.com> <0e233c0c-6c80-4618-9618-48162362a849@multiplay.co.uk> <20181130084955.o4loxtuswdsvzksy@ivaldir.net> <20181130105714.GA84052@FreeBSD.org> <15e4f063-d081-9c38-be3e-44bc622cc50e@freebsd.org> <20181130113422.GA14353@FreeBSD.org> <20181130115515.GA28531@FreeBSD.org> <20181130125645.GA97463@FreeBSD.org> <2ef3034e-6c4c-4fb7-3c7d-7cb41e4faac5@grosbein.net> From: Steven Hartland Message-ID: <864fc11c-6554-f8de-5a58-dfee09a23803@multiplay.co.uk> Date: Fri, 30 Nov 2018 21:29:19 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 MIME-Version: 1.0 In-Reply-To: <2ef3034e-6c4c-4fb7-3c7d-7cb41e4faac5@grosbein.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Rspamd-Queue-Id: 7C5D97852A X-Spamd-Result: default: False [-5.60 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[multiplay-co-uk.20150623.gappssmtp.com]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[svn-src-head@freebsd.org]; DMARC_NA(0.00)[multiplay.co.uk]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[multiplay-co-uk.20150623.gappssmtp.com:+]; MX_GOOD(-0.01)[cached: ASPMX.L.GOOGLE.COM]; RCVD_IN_DNSWL_NONE(0.00)[1.3.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; RCPT_COUNT_SEVEN(0.00)[7]; NEURAL_HAM_SHORT(-0.98)[-0.976,0]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; IP_SCORE(-2.11)[ip: (-7.67), ipnet: 2a00:1450::/32(-1.48), asn: 15169(-1.34), country: US(-0.09)]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Nov 2018 21:29:23 -0000 ZFS already does that no need for a separate tool On 30/11/2018 21:16, Eugene Grosbein wrote: > 30.11.2018 21:23, Warner Losh wrote: > >> So I'm back to my point: we should just put it into dd and move on with our lives. It's really the right place for it. > Why can't we have two implementations? Diversity is good thing. > > I can imagine erasing a partition with ZFS Cache or ZIL inside and > "trim /dev/da0p2 /dev/da0p3" looks much better :-) > >