From owner-svn-src-all@freebsd.org Wed Sep 13 07:09:59 2017 Return-Path: Delivered-To: svn-src-all@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 4C866E10F00; Wed, 13 Sep 2017 07:09:59 +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 1B23A76636; Wed, 13 Sep 2017 07:09:59 +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 v8D79wWC072566; Wed, 13 Sep 2017 07:09:58 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v8D79w1d072565; Wed, 13 Sep 2017 07:09:58 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201709130709.v8D79w1d072565@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Wed, 13 Sep 2017 07:09:58 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r323522 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Group: head X-SVN-Commit-Author: avg X-SVN-Commit-Paths: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Commit-Revision: 323522 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Sep 2017 07:09:59 -0000 Author: avg Date: Wed Sep 13 07:09:58 2017 New Revision: 323522 URL: https://svnweb.freebsd.org/changeset/base/323522 Log: slightly simplify zfs_vptocnp It's not necessary to look up the parent's ID to check if the node is the root node of the filesystem. MFC after: 2 weeks 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 Wed Sep 13 06:57:52 2017 (r323521) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Wed Sep 13 07:09:58 2017 (r323522) @@ -5925,7 +5925,6 @@ zfs_vptocnp(struct vop_vptocnp_args *ap) vnode_t *vp = ap->a_vp;; zfsvfs_t *zfsvfs = vp->v_vfsp->vfs_data; znode_t *zp = VTOZ(vp); - uint64_t parent; int ltype; int error; @@ -5936,13 +5935,7 @@ zfs_vptocnp(struct vop_vptocnp_args *ap) * If we are a snapshot mounted under .zfs, run the operation * on the covered vnode. */ - if ((error = sa_lookup(zp->z_sa_hdl, - SA_ZPL_PARENT(zfsvfs), &parent, sizeof (parent))) != 0) { - ZFS_EXIT(zfsvfs); - return (error); - } - - if (zp->z_id != parent || zfsvfs->z_parent == zfsvfs) { + if (zp->z_id != zfsvfs->z_root || zfsvfs->z_parent == zfsvfs) { char name[MAXNAMLEN + 1]; znode_t *dzp; size_t len;