From owner-svn-src-vendor@FreeBSD.ORG Fri Jul 18 17:55:13 2014 Return-Path: Delivered-To: svn-src-vendor@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 251BE8FF; Fri, 18 Jul 2014 17:55:13 +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 10C782D2C; Fri, 18 Jul 2014 17:55:13 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s6IHtChh096684; Fri, 18 Jul 2014 17:55:12 GMT (envelope-from delphij@svn.freebsd.org) Received: (from delphij@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s6IHtCko096683; Fri, 18 Jul 2014 17:55:12 GMT (envelope-from delphij@svn.freebsd.org) Message-Id: <201407181755.s6IHtCko096683@svn.freebsd.org> From: Xin LI Date: Fri, 18 Jul 2014 17:55:12 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r268848 - vendor-sys/illumos/dist/uts/common/fs/zfs vendor-sys/illumos/dist/uts/common/fs/zfs/sys vendor/illumos/dist/cmd/ztest X-SVN-Group: vendor 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: 2.1.18 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: Fri, 18 Jul 2014 17:55:13 -0000 Author: delphij Date: Fri Jul 18 17:55:12 2014 New Revision: 268848 URL: http://svnweb.freebsd.org/changeset/base/268848 Log: 4958 zdb trips assert on pools with ashift >= 0xe Reviewed by: Matthew Ahrens Reviewed by: Max Grossman Reviewed by: George Wilson Reviewed by: Christopher Siden Approved by: Garrett D'Amore illumos/illumos-gate@2a104a5236475eb73aa41eaaf3ed9f3ccbe0ca55 Modified: vendor/illumos/dist/cmd/ztest/ztest.c Changes in other areas also in this revision: Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_pool.c vendor-sys/illumos/dist/uts/common/fs/zfs/metaslab.c vendor-sys/illumos/dist/uts/common/fs/zfs/spa_misc.c vendor-sys/illumos/dist/uts/common/fs/zfs/sys/vdev_impl.h vendor-sys/illumos/dist/uts/common/fs/zfs/sys/zio.h vendor-sys/illumos/dist/uts/common/fs/zfs/zfs_debug.c vendor-sys/illumos/dist/uts/common/fs/zfs/zio.c Modified: vendor/illumos/dist/cmd/ztest/ztest.c ============================================================================== --- vendor/illumos/dist/cmd/ztest/ztest.c Fri Jul 18 16:25:35 2014 (r268847) +++ vendor/illumos/dist/cmd/ztest/ztest.c Fri Jul 18 17:55:12 2014 (r268848) @@ -808,7 +808,7 @@ static uint64_t ztest_get_ashift(void) { if (ztest_opts.zo_ashift == 0) - return (SPA_MINBLOCKSHIFT + ztest_random(3)); + return (SPA_MINBLOCKSHIFT + ztest_random(5)); return (ztest_opts.zo_ashift); } @@ -967,11 +967,28 @@ ztest_random_spa_version(uint64_t initia return (version); } +/* + * Find the largest ashift used + */ +static uint64_t +ztest_spa_get_ashift() { + uint64_t i; + uint64_t ashift = SPA_MINBLOCKSHIFT; + vdev_t *rvd = ztest_spa->spa_root_vdev; + + for (i = 0; i < rvd->vdev_children; i++) { + ashift = MAX(ashift, rvd->vdev_child[i]->vdev_ashift); + } + return (ashift); +} + static int ztest_random_blocksize(void) { - return (1 << (SPA_MINBLOCKSHIFT + - ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); + // Choose a block size >= the ashift. + uint64_t block_shift = + ztest_random(SPA_MAXBLOCKSHIFT - ztest_spa_get_ashift() + 1); + return (1 << (SPA_MINBLOCKSHIFT + block_shift)); } static int @@ -5765,16 +5782,30 @@ ztest_freeze(void) spa_freeze(spa); /* + * Because it is hard to predict how much space a write will actually + * require beforehand, we leave ourselves some fudge space to write over + * capacity. + */ + uint64_t capacity = metaslab_class_get_space(spa_normal_class(spa)) / 2; + + /* * Run tests that generate log records but don't alter the pool config * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). * We do a txg_wait_synced() after each iteration to force the txg * to increase well beyond the last synced value in the uberblock. * The ZIL should be OK with that. + * + * Run a random number of times less than zo_maxloops and ensure we do + * not run out of space on the pool. */ while (ztest_random(10) != 0 && - numloops++ < ztest_opts.zo_maxloops) { - ztest_dmu_write_parallel(zd, 0); - ztest_dmu_object_alloc_free(zd, 0); + numloops++ < ztest_opts.zo_maxloops && + metaslab_class_get_alloc(spa_normal_class(spa)) < capacity) { + ztest_od_t od; + ztest_od_init(&od, 0, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); + VERIFY0(ztest_object_init(zd, &od, sizeof (od), B_FALSE)); + ztest_io(zd, od.od_object, + ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); txg_wait_synced(spa_get_dsl(spa), 0); }