From owner-svn-src-all@freebsd.org Thu Mar 23 09:13:23 2017 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 57028D18293; Thu, 23 Mar 2017 09:13:23 +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 mx1.freebsd.org (Postfix) with ESMTPS id 170CE668; Thu, 23 Mar 2017 09:13:23 +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 v2N9DMmM019807; Thu, 23 Mar 2017 09:13:22 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v2N9DMHV019806; Thu, 23 Mar 2017 09:13:22 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201703230913.v2N9DMHV019806@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Thu, 23 Mar 2017 09:13:22 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r315853 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Group: head 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: 2.1.23 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: Thu, 23 Mar 2017 09:13:23 -0000 Author: avg Date: Thu Mar 23 09:13:21 2017 New Revision: 315853 URL: https://svnweb.freebsd.org/changeset/base/315853 Log: zfs_putpages: use TXG_WAIT Explicit looping using TXG_NOWAIT is more verbose and may harm performance under heavy load because of multiple waits. MFC after: 1 week Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Thu Mar 23 08:59:17 2017 (r315852) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Thu Mar 23 09:13:21 2017 (r315853) @@ -4712,19 +4712,13 @@ zfs_putpages(struct vnode *vp, vm_page_t goto out; } -top: tx = dmu_tx_create(zfsvfs->z_os); dmu_tx_hold_write(tx, zp->z_id, off, len); dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE); zfs_sa_upgrade_txholds(tx, zp); - err = dmu_tx_assign(tx, TXG_NOWAIT); + err = dmu_tx_assign(tx, TXG_WAIT); if (err != 0) { - if (err == ERESTART) { - dmu_tx_wait(tx); - dmu_tx_abort(tx); - goto top; - } dmu_tx_abort(tx); goto out; }