From owner-svn-src-all@FreeBSD.ORG Tue Feb 18 14:58:38 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 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4A4293C2; Tue, 18 Feb 2014 14:58:38 +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)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 3529C1DA4; Tue, 18 Feb 2014 14:58:38 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s1IEwcK5096679; Tue, 18 Feb 2014 14:58:38 GMT (envelope-from mav@svn.freebsd.org) Received: (from mav@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s1IEwcHj096678; Tue, 18 Feb 2014 14:58:38 GMT (envelope-from mav@svn.freebsd.org) Message-Id: <201402181458.s1IEwcHj096678@svn.freebsd.org> From: Alexander Motin Date: Tue, 18 Feb 2014 14:58:38 +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: r262168 - 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: 2.1.17 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: Tue, 18 Feb 2014 14:58:38 -0000 Author: mav Date: Tue Feb 18 14:58:37 2014 New Revision: 262168 URL: http://svnweb.freebsd.org/changeset/base/262168 Log: MFC r260236: In dmu_zfetch_stream_reclaim() replace division with multiplication and move it out of the loop and lock. Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c Directory Properties: stable/9/ (props changed) stable/9/sys/ (props changed) stable/9/sys/cddl/contrib/opensolaris/ (props changed) Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c ============================================================================== --- stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c Tue Feb 18 14:56:44 2014 (r262167) +++ stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c Tue Feb 18 14:58:37 2014 (r262168) @@ -604,14 +604,16 @@ static zstream_t * dmu_zfetch_stream_reclaim(zfetch_t *zf) { zstream_t *zs; + clock_t ticks; + ticks = zfetch_min_sec_reap * hz; if (! rw_tryenter(&zf->zf_rwlock, RW_WRITER)) return (0); for (zs = list_head(&zf->zf_stream); zs; zs = list_next(&zf->zf_stream, zs)) { - if (((ddi_get_lbolt() - zs->zst_last)/hz) > zfetch_min_sec_reap) + if (ddi_get_lbolt() - zs->zst_last > ticks) break; }