From owner-svn-src-vendor@FreeBSD.ORG Wed Nov 20 11:09:13 2013 Return-Path: Delivered-To: svn-src-vendor@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 32A051EA; Wed, 20 Nov 2013 11:09:13 +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)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 224B521A7; Wed, 20 Nov 2013 11:09:13 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id rAKB9DUp060934; Wed, 20 Nov 2013 11:09:13 GMT (envelope-from avg@svn.freebsd.org) Received: (from avg@localhost) by svn.freebsd.org (8.14.7/8.14.5/Submit) id rAKB9CEu060933; Wed, 20 Nov 2013 11:09:12 GMT (envelope-from avg@svn.freebsd.org) Message-Id: <201311201109.rAKB9CEu060933@svn.freebsd.org> From: Andriy Gapon Date: Wed, 20 Nov 2013 11:09:12 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r258386 - 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: 2.1.16 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: Wed, 20 Nov 2013 11:09:13 -0000 Author: avg Date: Wed Nov 20 11:09:12 2013 New Revision: 258386 URL: http://svnweb.freebsd.org/changeset/base/258386 Log: 4322 ZFS deadlock on dp_config_rwlock illumos/illumos-gate@c50d56f667f119d78fa3d94d6bef2c298ba556f6 Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_userhold.c Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_userhold.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_userhold.c Wed Nov 20 11:08:07 2013 (r258385) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_userhold.c Wed Nov 20 11:09:12 2013 (r258386) @@ -564,21 +564,23 @@ dsl_dataset_user_release_impl(nvlist_t * ddura.ddura_holdfunc = dsl_dataset_hold_obj_string; pool = spa_name(tmpdp->dp_spa); #ifdef _KERNEL - dsl_pool_config_enter(tmpdp, FTAG); for (pair = nvlist_next_nvpair(holds, NULL); pair != NULL; pair = nvlist_next_nvpair(holds, pair)) { dsl_dataset_t *ds; + dsl_pool_config_enter(tmpdp, FTAG); error = dsl_dataset_hold_obj_string(tmpdp, nvpair_name(pair), FTAG, &ds); if (error == 0) { char name[MAXNAMELEN]; dsl_dataset_name(ds, name); + dsl_pool_config_exit(tmpdp, FTAG); dsl_dataset_rele(ds, FTAG); (void) zfs_unmount_snap(name); + } else { + dsl_pool_config_exit(tmpdp, FTAG); } } - dsl_pool_config_exit(tmpdp, FTAG); #endif } else { /* Non-temporary holds are specified by name. */