From owner-svn-src-all@FreeBSD.ORG Mon Nov 17 13:29:59 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4CDBCC1C; Mon, 17 Nov 2014 13:29:59 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (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 386773CC; Mon, 17 Nov 2014 13:29:59 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id sAHDTxnJ059480; Mon, 17 Nov 2014 13:29:59 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id sAHDTxBX059479; Mon, 17 Nov 2014 13:29:59 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201411171329.sAHDTxBX059479@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Mon, 17 Nov 2014 13:29:59 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r274624 - stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Group: stable-9 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: 2.1.18-1 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: Mon, 17 Nov 2014 13:29:59 -0000 Author: avg Date: Mon Nov 17 13:29:58 2014 New Revision: 274624 URL: https://svnweb.freebsd.org/changeset/base/274624 Log: MFC r272708: l2arc_write_buffers: reduce headroom value Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Directory Properties: stable/9/sys/ (props changed) stable/9/sys/cddl/contrib/opensolaris/ (props changed) Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c ============================================================================== --- stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Mon Nov 17 13:26:50 2014 (r274623) +++ stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Mon Nov 17 13:29:58 2014 (r274624) @@ -4968,7 +4968,7 @@ l2arc_write_buffers(spa_t *spa, l2arc_de if (ab == NULL) ARCSTAT_BUMP(arcstat_l2_write_buffer_list_null_iter); - headroom = target_sz * l2arc_headroom; + headroom = target_sz * l2arc_headroom * 2 / ARC_BUFC_NUMLISTS; if (do_headroom_boost) headroom = (headroom * l2arc_headroom_boost) / 100;