bsd/vfs/vfs_syscalls.c

5927 	vnode_t tvp, fvp, tdvp, sdvp;
5942 	fvp = fromnd.ni_vp;
5959 	if (fvp->v_type == VDIR || (tvp && tvp->v_type == VDIR)) {
5967 	if (fvp == tdvp)
5974 	if (fvp == tvp)
5977 	        error = VNOP_COPYFILE(fvp, tdvp, tvp, &tond.ni_cnd, uap->mode, uap->flags, ctx);
5991 	vnode_put(fvp);
6012 	vnode_t fvp, fdvp;
6044 	fvp = tvp = NULL;
6062 		fvp  = fromnd->ni_vp;
6064 		if (fvp && fvp->v_type == VDIR)
6073 			if (error == EISDIR && fvp->v_type == VDIR)
6082 	if (!fvp) {
6085 		 * For success, either fvp must be on the same mount as tdvp, or fvp must sit atop a vnode on the same mount as tdvp.
6087 		 * If fvp is on the same mount as tdvp, then fvp is not on the same mount as fdvp, so fvp is the root of its filesystem.  If fvp is the root,
6089 		 * If fvp sits atop a vnode on the same mount as fdvp, then that vnode must be part of the same mount as fdvp, which is a contradiction.
6101 		error = vn_authorize_rename(fdvp, fvp, &fromnd->ni_cnd, tdvp, tvp, &tond->ni_cnd, ctx, NULL);
6122 	if (fvp == tvp) {
6129 		if (VNOP_PATHCONF(fvp, _PC_CASE_SENSITIVE, &pathconf_val, ctx) != 0 ||
6145 	if ((fvp->v_flag & VROOT) &&
6146 	    (fvp->v_type == VDIR) &&
6148 	    (fvp->v_mountedhere == NULL)  &&
6150 	    ((fvp->v_mount->mnt_flag & (MNT_UNION | MNT_ROOTFS)) == 0)  &&
6151 	    (fvp->v_mount->mnt_vnodecovered != NULLVP)) {
6154 		/* switch fvp to the covered vnode */
6155 		coveredvp = fvp->v_mount->mnt_vnodecovered;
6160 		vnode_put(fvp);
6162 		fvp = coveredvp;
6168 	if ((fvp->v_mount != tdvp->v_mount) ||
6169 	    (tvp && (fvp->v_mount != tvp->v_mount))) {
6180 	 * getting the same vnode as target (fvp) and source (tvp).
6188 	 * NOTE - that fvp == tvp also occurs if they are hard linked and
6194 	if (fvp == tvp && fdvp == tdvp) {
6202 	if (holding_mntlock && fvp->v_mount != locked_mp) {
6212 	if (tdvp != fdvp && fvp->v_type == VDIR) {
6232 			locked_mp = fvp->v_mount;
6247 			 * since it may need to release the fs_nodelock on the fvp
6251 			vnode_put(fvp);
6277 	// save these off so we can later verify that fvp is the same
6278 	oname   = fvp->v_name;
6279 	oparent = fvp->v_parent;
6285 		if (fvp) {
6286 			get_fse_info(fvp, &from_finfo, ctx);
6333 	error = vn_rename(fdvp, &fvp, &fromnd->ni_cnd, fvap,
6354 			fromnd->ni_vp = fvp;
6392 			vnode_get_fse_info_from_vap(fvp, &from_finfo, fvap);
6422 		mp = fvp->v_mountedhere;
6454 	 * check that fvp has the same name/parent pointers it
6460 	if (batched || (oname == fvp->v_name && oparent == fvp->v_parent)) {
6468 	        vnode_update_identity(fvp, tdvp, tond->ni_cnd.cn_nameptr, tond->ni_cnd.cn_namelen, tond->ni_cnd.cn_hash, update_flags);
6502 		if (fvp)
6503 		        vnode_put(fvp);
7400 	vnode_t fvp;
7423 	fvp = fnd.ni_vp;
7430 		vnode_put(fvp);
7439 	if (svp == fvp) {
7447 	if (svp->v_mount != fvp->v_mount) {
7453 	if ( (vnode_isreg(fvp) == 0) || (vnode_isreg(svp) == 0)) {
7460 	    fvp, svp);
7464 	if (((error = vnode_authorize(fvp, NULL, KAUTH_VNODE_READ_DATA | KAUTH_VNODE_WRITE_DATA, ctx)) != 0) ||
7470 	need_fsevent(FSE_EXCHANGE, fvp) ||
7480 		flen = safe_getpath(fvp, NULL, fpath, MAXPATHLEN, &from_truncated);
7484 		get_fse_info(fvp, &f_finfo, ctx);
7493 	error = VNOP_EXCHANGE(fvp, svp, 0, ctx);
7507 	    tmpname     = fvp->v_name;
7508 	    fvp->v_name = svp->v_name;
7511 	    if (fvp->v_parent != svp->v_parent) {
7514 		tmp           = fvp->v_parent;
7515 		fvp->v_parent = svp->v_parent;
7538 	vnode_put(fvp);