From owner-svn-src-vendor@freebsd.org Tue Jan 26 12:36:32 2016 Return-Path: Delivered-To: svn-src-vendor@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 029FCA6E16E; Tue, 26 Jan 2016 12:36:32 +0000 (UTC) (envelope-from mav@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 C36169DB; Tue, 26 Jan 2016 12:36:31 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u0QCaU7N012042; Tue, 26 Jan 2016 12:36:30 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u0QCaUMJ012041; Tue, 26 Jan 2016 12:36:30 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201601261236.u0QCaUMJ012041@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Tue, 26 Jan 2016 12:36:30 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r294798 - vendor-sys/illumos/dist/uts/common/fs/zfs X-SVN-Group: vendor-sys MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-vendor@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: SVN commit messages for the vendor work area tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Jan 2016 12:36:32 -0000 Author: mav Date: Tue Jan 26 12:36:30 2016 New Revision: 294798 URL: https://svnweb.freebsd.org/changeset/base/294798 Log: 6292 exporting a pool while an async destroy is running can leave entries in the deferred tree Reviewed by: Paul Dagnelie Reviewed by: Matthew Ahrens Reviewed by: Andriy Gapon Reviewed by: Fabian Keil Approved by: Gordon Ross illumos/illumos-gate@a443cc80c742af740aa82130db840f02b4389365 Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_scan.c Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_scan.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_scan.c Tue Jan 26 12:33:58 2016 (r294797) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_scan.c Tue Jan 26 12:36:30 2016 (r294798) @@ -1413,10 +1413,23 @@ dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t * } /* + * Only process scans in sync pass 1. + */ + if (spa_sync_pass(dp->dp_spa) > 1) + return; + + /* + * If the spa is shutting down, then stop scanning. This will + * ensure that the scan does not dirty any new data during the + * shutdown phase. + */ + if (spa_shutting_down(spa)) + return; + + /* * If the scan is inactive due to a stalled async destroy, try again. */ - if ((!scn->scn_async_stalled && !dsl_scan_active(scn)) || - spa_sync_pass(dp->dp_spa) > 1) + if (!scn->scn_async_stalled && !dsl_scan_active(scn)) return; scn->scn_visited_this_txg = 0;