From owner-svn-src-stable@FreeBSD.ORG Thu Oct 16 08:33:12 2014 Return-Path: Delivered-To: svn-src-stable@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 C07A733A; Thu, 16 Oct 2014 08:33:12 +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 A7E8BDBB; Thu, 16 Oct 2014 08:33:12 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id s9G8XCnV088424; Thu, 16 Oct 2014 08:33:12 GMT (envelope-from smh@FreeBSD.org) Received: (from smh@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id s9G8XCiW088423; Thu, 16 Oct 2014 08:33:12 GMT (envelope-from smh@FreeBSD.org) Message-Id: <201410160833.s9G8XCiW088423@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: smh set sender to smh@FreeBSD.org using -f From: Steven Hartland Date: Thu, 16 Oct 2014 08:33:12 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r273161 - stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Group: stable-10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Oct 2014 08:33:12 -0000 Author: smh Date: Thu Oct 16 08:33:11 2014 New Revision: 273161 URL: https://svnweb.freebsd.org/changeset/base/273161 Log: MFC r273158: Prevent ZFS leaking pool free space Early MFC approved by re@ Approved by: re@ (glebius) Sponsored by: Multiplay Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_scan.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_scan.c ============================================================================== --- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_scan.c Thu Oct 16 08:33:04 2014 (r273160) +++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_scan.c Thu Oct 16 08:33:11 2014 (r273161) @@ -1476,13 +1476,6 @@ dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t * "traverse_dataset_destroyed()", err); } - /* - * If we didn't make progress, mark the async destroy as - * stalled, so that we will not initiate a spa_sync() on - * its behalf. - */ - scn->scn_async_stalled = (scn->scn_visited_this_txg == 0); - if (bptree_is_empty(dp->dp_meta_objset, dp->dp_bptree_obj)) { /* finished; deactivate async destroy feature */ spa_feature_decr(spa, SPA_FEATURE_ASYNC_DESTROY, tx); @@ -1495,6 +1488,14 @@ dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t * dp->dp_bptree_obj, tx)); dp->dp_bptree_obj = 0; scn->scn_async_destroying = B_FALSE; + } else { + /* + * If we didn't make progress, mark the async destroy as + * stalled, so that we will not initiate a spa_sync() on + * its behalf. + */ + scn->scn_async_stalled = + (scn->scn_visited_this_txg == 0); } } if (scn->scn_visited_this_txg) {