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[91.2.56.13]) by smtp.gmail.com with ESMTPSA id 5sm11357677wmw.8.2018.11.23.03.46.18 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 23 Nov 2018 03:46:18 -0800 (PST) Date: Fri, 23 Nov 2018 12:46:17 +0100 From: Gary Jennejohn To: Lev Serebryakov Cc: Eugene Grosbein , Freebsd hackers list Subject: Re: TRIM utility Message-ID: <20181123124617.4ef3ac43@ernst.home> In-Reply-To: References: <7699de57-d903-1d61-ee42-062ed312b20d@grosbein.net> Reply-To: gljennjohn@gmail.com X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; amd64-portbld-freebsd12.0) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 3BC00858FC X-Spamd-Result: default: False [-4.59 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; HAS_REPLYTO(0.00)[gljennjohn@gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; REPLYTO_ADDR_EQ_FROM(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.94)[-0.944,0]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; IP_SCORE(-0.64)[ipnet: 2a00:1450::/32(-1.61), asn: 15169(-1.50), country: US(-0.09)]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; FREEMAIL_REPLYTO(0.00)[gmail.com]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[d.2.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Nov 2018 11:46:21 -0000 On Fri, 23 Nov 2018 14:12:47 +0300 Lev Serebryakov wrote: > On 22.11.2018 23:34, Eugene Grosbein wrote: > > > Currently it has four options, all of them are, hmm, optional: > > > > -b: to specify offset from the beginning of the device for trimmed region instead of default 0; > > -l: to specify offset from the "-b" margin - length - for trimmed region instead of whole device; > > -r rfile: for alternative way to specify length as length of referenced file; > > -v: for verbose mode that shows final values for the beginning offset and length. > Please, add '-n' for dry-run, which could be useful together with '-v'. > +1 -- Gary Jennejohn