From owner-svn-src-head@freebsd.org Tue Oct 4 08:09:26 2016 Return-Path: Delivered-To: svn-src-head@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 B8EC6AF4118; Tue, 4 Oct 2016 08:09:26 +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 6F85CA83; Tue, 4 Oct 2016 08:09:26 +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 u9489PNN056281; Tue, 4 Oct 2016 08:09:25 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u9489P0r056280; Tue, 4 Oct 2016 08:09:25 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201610040809.u9489P0r056280@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Tue, 4 Oct 2016 08:09:25 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r306665 - 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-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Oct 2016 08:09:26 -0000 Author: avg Date: Tue Oct 4 08:09:25 2016 New Revision: 306665 URL: https://svnweb.freebsd.org/changeset/base/306665 Log: zfs: fix a wrong assertion for extended attributes For the extended attributes the order between z_teardown_lock and the vnode lock is different. The bug was triggered only with DIAGNOSTIC turned on. This fix is developed in cooperation with avos. PR: 213112 Reported by: avos Tested by: avos 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 Mon Oct 3 23:49:05 2016 (r306664) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Tue Oct 4 08:09:25 2016 (r306665) @@ -1454,7 +1454,8 @@ zfs_lookup_lock(vnode_t *dvp, vnode_t *v ASSERT_VOP_LOCKED(dvp, __func__); #ifdef DIAGNOSTIC - ASSERT(!RRM_LOCK_HELD(&zfsvfs->z_teardown_lock)); + if ((zdp->z_pflags & ZFS_XATTR) == 0) + VERIFY(!RRM_LOCK_HELD(&zfsvfs->z_teardown_lock)); #endif if (name[0] == 0 || (name[0] == '.' && name[1] == 0)) { @@ -5973,13 +5974,15 @@ zfs_lock(ap) vp = ap->a_vp; flags = ap->a_flags; if ((flags & LK_INTERLOCK) == 0 && (flags & LK_NOWAIT) == 0 && - (vp->v_iflag & VI_DOOMED) == 0 && (zp = vp->v_data) != NULL) { + (vp->v_iflag & VI_DOOMED) == 0 && (zp = vp->v_data) != NULL && + (zp->z_pflags & ZFS_XATTR) == 0) { zfsvfs = zp->z_zfsvfs; VERIFY(!RRM_LOCK_HELD(&zfsvfs->z_teardown_lock)); } err = vop_stdlock(ap); if ((flags & LK_INTERLOCK) != 0 && (flags & LK_NOWAIT) == 0 && - (vp->v_iflag & VI_DOOMED) == 0 && (zp = vp->v_data) != NULL) { + (vp->v_iflag & VI_DOOMED) == 0 && (zp = vp->v_data) != NULL && + (zp->z_pflags & ZFS_XATTR) == 0) { zfsvfs = zp->z_zfsvfs; VERIFY(!RRM_LOCK_HELD(&zfsvfs->z_teardown_lock)); }