From owner-freebsd-hackers@freebsd.org Sun Jan 5 19:12:01 2020 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D71121E2F69 for ; Sun, 5 Jan 2020 19:12:01 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: from puchar.net (puchar.net [194.1.144.90]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 47rStm46GCz4dWT for ; Sun, 5 Jan 2020 19:12:00 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: Received: from 127.0.0.1 (localhost [127.0.0.1]) by puchar.net (8.15.2/8.15.2) with ESMTPS id 005JBrgk017173 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 5 Jan 2020 20:11:54 +0100 (CET) (envelope-from puchar-wojtek@puchar.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=puchar.net; s=default; t=1578251514; bh=d0dN7VjTl8z2OOBMM1Z5kAEOAtqgeQbKq6NyKUAp5YQ=; h=Date:From:To:cc:Subject:In-Reply-To:References; b=h1GljR4xtcyy/tapD1gsZeKMSGD8oCSXSZK6+5C7cMoWkXLzm2cl0A7aODuEePqgU Ls0NpNC62moCtglY5312QjoAmeTotCvq3kH0bj5vND2oXPCVD+Bg3olGYe2hnGi7qy p+kJGfLc5NG2S8r9QKu4CKyxbDOJ/e/0lxfCvFRQ= Received: from localhost (puchar-wojtek@localhost) by puchar.net (8.15.2/8.15.2/Submit) with ESMTP id 005JBrcO017170; Sun, 5 Jan 2020 20:11:53 +0100 (CET) (envelope-from puchar-wojtek@puchar.net) Date: Sun, 5 Jan 2020 20:11:53 +0100 (CET) From: Wojciech Puchar To: Warner Losh cc: Wojciech Puchar , FreeBSD Hackers Subject: Re: nvme/nvd - trim seems to be one block a time In-Reply-To: Message-ID: References: User-Agent: Alpine 2.20 (BSF 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed X-Rspamd-Queue-Id: 47rStm46GCz4dWT X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=fail (rsa verify failed) header.d=puchar.net header.s=default header.b=h1GljR4x; dmarc=none; spf=pass (mx1.freebsd.org: domain of wojtek@puchar.net designates 194.1.144.90 as permitted sender) smtp.mailfrom=wojtek@puchar.net X-Spamd-Result: default: False [-4.42 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; R_DKIM_REJECT(1.00)[puchar.net:s=default]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[puchar.net]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[puchar.net:-]; RCVD_IN_DNSWL_NONE(0.00)[90.144.1.194.list.dnswl.org : 127.0.10.0]; IP_SCORE(-3.12)[ip: (-8.25), ipnet: 194.1.144.0/24(-4.12), asn: 43476(-3.30), country: PL(0.07)]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:43476, ipnet:194.1.144.0/24, country:PL]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2] 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: Sun, 05 Jan 2020 19:12:01 -0000 > > what am i doing wrong? > > > That's what it does. Upgrade to 12 and you can use the trim collapsing code in UFS to reduce the number of trims, so there is a final reason to upgrade. i will - after using it on my laptop for some time. For now i just disabled trim for this 2 UFS partitions. Not a problem really as it's just 1/8 of SSD space, the rest are virtual machines that do trim properly or unused space.