From owner-svn-src-all@freebsd.org Fri Nov 30 14:24:36 2018 Return-Path: Delivered-To: svn-src-all@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 86BF111459CC for ; Fri, 30 Nov 2018 14:24:36 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-qt1-x836.google.com (mail-qt1-x836.google.com [IPv6:2607:f8b0:4864:20::836]) (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 DB28984896 for ; Fri, 30 Nov 2018 14:24:35 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-qt1-x836.google.com with SMTP id r14so6083156qtp.1 for ; Fri, 30 Nov 2018 06:24:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=4hLiAGMArx/Pqobdvg4reEO48pF5CB8KaURlLweAwLc=; b=1X2Ga4Txs52PKODsc7gUjU6/dryJTb3F5MfxDe+4jZuI0xxPUS0ZS9I6R8YZ1YdSZ5 KwiLaPXjg+DN/fJftfOcMi4JVXaWbyWXCA5qgh3+VL0RJ0KYoKCYpfUeUT6A4h9FzS5K gjI6ZZbE+85dbkuCblD6iIe6yeJrtqNdiV3LK0e1sT/w84D7ALzdJ6XPgK6xG55ia3z4 rxwyQ1qEZViQkJY7tZGomehEZ0d+MWCSrhER4rugwcutmS4MulZSaeLItO88+ZC4ie2Y /Qde0gK297TYNSL2OGPHmh6/l+mHBlWiOYzGXrUSUap02YZUYcc7hYfpn0cF7003s9H1 R5IQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=4hLiAGMArx/Pqobdvg4reEO48pF5CB8KaURlLweAwLc=; b=nZwBoo7FjEdO9pDlGpR2euJkx8tHHEfgOAakZpq0iH6Iesjqd4bDGwR1R9mR4B2Jha y9UIWSlUUX0zg2cf/jNY6lEhO2SaQ3B99kDFhnaZAVd/hLdraE6ctP8GMSg336FRcW4h s5T4oJBqIujmgRm6oKOR0KnVwoxs9S+CPV3hyVlEGS2txC3nSl5WaqtI5stOPIOUg+h1 JgB5Boqj9nHK1QzGMFt2hyLHfSrBCkju4LoS2DoihDtFqFFstBtqZAdavw5Fc3tnG+EO /P89cm1mgEHL43nJWPDMIFHEMmsgXSs2JXzQZF9vkt30IXfC/C88k93AHclD215Xfj2Q aQEA== X-Gm-Message-State: AA+aEWZtGpS0fO6ybaZVXM9sYxDKeFtVQPS4z1HTjwPiFaa4t022c7nj 1EI2P2nv9JPGilww/ccTvEJFC5lS/fUao62hIlRaBQ== X-Google-Smtp-Source: AFSGD/VAhF5QvCdNhacRO57nrjcLkTZyEaxEkjQW5hys8ndfSv8P+1pIO+thqVrTeAit+buvIMc0JRXxk59Qq+oLK00= X-Received: by 2002:ac8:548a:: with SMTP id h10mr5768814qtq.15.1543587875375; Fri, 30 Nov 2018 06:24:35 -0800 (PST) MIME-Version: 1.0 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> In-Reply-To: From: Warner Losh Date: Fri, 30 Nov 2018 07:24:24 -0700 Message-ID: Subject: Re: svn: head/usr.bin: . trim To: Eugene Grosbein Cc: Alexey Dokuchaev , Baptiste Daroussin , Maxim Sobolev , src-committers , svn-src-all@freebsd.org, Steven Hartland , svn-src-head@freebsd.org, Cy Schubert X-Rspamd-Queue-Id: DB28984896 X-Spamd-Result: default: False [-3.53 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.99)[-0.994,0]; R_DKIM_ALLOW(-0.20)[bsdimp-com.20150623.gappssmtp.com]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.89)[-0.893,0]; NEURAL_HAM_LONG(-1.00)[-0.999,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[svn-src-all@freebsd.org]; DMARC_NA(0.00)[bsdimp.com]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[bsdimp-com.20150623.gappssmtp.com:+]; MX_GOOD(-0.01)[cached: ALT1.aspmx.l.google.com]; RCPT_COUNT_SEVEN(0.00)[9]; RCVD_IN_DNSWL_NONE(0.00)[6.3.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; R_SPF_NA(0.00)[]; FORGED_SENDER(0.30)[imp@bsdimp.com,wlosh@bsdimp.com]; RCVD_TLS_LAST(0.00)[]; IP_SCORE(-0.63)[ipnet: 2607:f8b0::/32(-1.74), asn: 15169(-1.33), country: US(-0.09)]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[imp@bsdimp.com,wlosh@bsdimp.com]; RCVD_COUNT_TWO(0.00)[2] X-Rspamd-Server: mx1.freebsd.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 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: Fri, 30 Nov 2018 14:24:36 -0000 On Fri, Nov 30, 2018 at 4:45 AM Eugene Grosbein wrote: > 30.11.2018 18:34, Alexey Dokuchaev wrote: > > > Another point: the manpage says, "It is only relevant for flash based > > storage devices that use wear-leveling algorithms", which is an argument > > against generic "trim". I would mind less of it would be called ftrim(8) > > or ssd_trim(8) or flash_trim(8), but still prefer Maxim's approach. > > Speaking of naming issues: > > NAME > dd - convert and copy a file > > I still prefer unix-way: "each utility does one simple task". > And that's not about dd :-( > That ship has sailed on dd. Even v7 dd wasn't good at doing one simple task... Warner