From owner-svn-src-all@freebsd.org Sat Oct 19 07:47:29 2019 Return-Path: Delivered-To: svn-src-all@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 4C12D15C6E4; Sat, 19 Oct 2019 07:47:29 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46wFNx1KzGz3R0Z; Sat, 19 Oct 2019 07:47:29 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 111AA1F44A; Sat, 19 Oct 2019 07:47:29 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x9J7lS7e077166; Sat, 19 Oct 2019 07:47:28 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x9J7lSB8077165; Sat, 19 Oct 2019 07:47:28 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201910190747.x9J7lSB8077165@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Sat, 19 Oct 2019 07:47:28 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r353754 - stable/12/cddl/contrib/opensolaris/cmd/zpool X-SVN-Group: stable-12 X-SVN-Commit-Author: avg X-SVN-Commit-Paths: stable/12/cddl/contrib/opensolaris/cmd/zpool X-SVN-Commit-Revision: 353754 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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: Sat, 19 Oct 2019 07:47:29 -0000 Author: avg Date: Sat Oct 19 07:47:28 2019 New Revision: 353754 URL: https://svnweb.freebsd.org/changeset/base/353754 Log: MFC r353341,r353342: zfs: document large_dnode feature Modified: stable/12/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 Directory Properties: stable/12/ (props changed) Modified: stable/12/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 ============================================================================== --- stable/12/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 Sat Oct 19 07:45:11 2019 (r353753) +++ stable/12/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 Sat Oct 19 07:47:28 2019 (r353754) @@ -527,6 +527,30 @@ Please note that booting from datasets that have recor supported by the .Fx boot loader. +.It Sy large_dnode +.Bl -column "READ\-ONLY COMPATIBLE" "org.zfsonlinux:large_dnode" +.It GUID Ta org.zfsonlinux:large_dnode +.It READ\-ONLY COMPATIBLE Ta no +.It DEPENDENCIES Ta extensible_dataset +.El +.Pp +The +.Sy large_dnode +feature allows the size of dnodes in a dataset to be set larger than 512B. +.Pp +This feature becomes +.Sy active +once a dataset contains an object with a dnode larger than 512B, +which occurs as a result of setting the +.Sy dnodesize +dataset property to a value other than +.Sy legacy . +The feature will return to being +.Sy enabled +once all filesystems that have ever contained a dnode larger than 512B are +destroyed. +Large dnodes allow more data to be stored in the bonus buffer, thus potentially +improving performance by avoiding the use of spill blocks. .It Sy sha512 .Bl -column "READ\-ONLY COMPATIBLE" "org.illumos:sha512" .It GUID Ta org.illumos:sha512