bsd/vfs/vfs_syscalls.c

5865 	vnode_t tvp, fvp, tdvp, sdvp;
5880 	fvp = fromnd.ni_vp;
5897 	if (fvp->v_type == VDIR || (tvp && tvp->v_type == VDIR)) {
5905 	if (fvp == tdvp)
5912 	if (fvp == tvp)
5915 	        error = VNOP_COPYFILE(fvp, tdvp, tvp, &tond.ni_cnd, uap->mode, uap->flags, ctx);
5929 	vnode_put(fvp);
5950 	vnode_t fvp, fdvp;
5982 	fvp = tvp = NULL;
6000 		fvp  = fromnd->ni_vp;
6002 		if (fvp && fvp->v_type == VDIR)
6011 			if (error == EISDIR && fvp->v_type == VDIR)
6020 	if (!fvp) {
6023 		 * 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.
6025 		 * 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,
6027 		 * 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.
6039 		error = vn_authorize_rename(fdvp, fvp, &fromnd->ni_cnd, tdvp, tvp, &tond->ni_cnd, ctx, NULL);
6060 	if (fvp == tvp) {
6067 		if (VNOP_PATHCONF(fvp, _PC_CASE_SENSITIVE, &pathconf_val, ctx) != 0 ||
6083 	if ((fvp->v_flag & VROOT) &&
6084 	    (fvp->v_type == VDIR) &&
6086 	    (fvp->v_mountedhere == NULL)  &&
6088 	    ((fvp->v_mount->mnt_flag & (MNT_UNION | MNT_ROOTFS)) == 0)  &&
6089 	    (fvp->v_mount->mnt_vnodecovered != NULLVP)) {
6092 		/* switch fvp to the covered vnode */
6093 		coveredvp = fvp->v_mount->mnt_vnodecovered;
6098 		vnode_put(fvp);
6100 		fvp = coveredvp;
6106 	if ((fvp->v_mount != tdvp->v_mount) ||
6107 	    (tvp && (fvp->v_mount != tvp->v_mount))) {
6118 	 * getting the same vnode as target (fvp) and source (tvp).
6126 	 * NOTE - that fvp == tvp also occurs if they are hard linked and
6132 	if (fvp == tvp && fdvp == tdvp) {
6140 	if (holding_mntlock && fvp->v_mount != locked_mp) {
6150 	if (tdvp != fdvp && fvp->v_type == VDIR) {
6170 			locked_mp = fvp->v_mount;
6185 			 * since it may need to release the fs_nodelock on the fvp
6189 			vnode_put(fvp);
6215 	// save these off so we can later verify that fvp is the same
6216 	oname   = fvp->v_name;
6217 	oparent = fvp->v_parent;
6223 		if (fvp) {
6224 			get_fse_info(fvp, &from_finfo, ctx);
6271 	error = vn_rename(fdvp, &fvp, &fromnd->ni_cnd, fvap,
6292 			fromnd->ni_vp = fvp;
6330 			vnode_get_fse_info_from_vap(fvp, &from_finfo, fvap);
6360 		mp = fvp->v_mountedhere;
6392 	 * check that fvp has the same name/parent pointers it
6398 	if (batched || (oname == fvp->v_name && oparent == fvp->v_parent)) {
6406 	        vnode_update_identity(fvp, tdvp, tond->ni_cnd.cn_nameptr, tond->ni_cnd.cn_namelen, tond->ni_cnd.cn_hash, update_flags);
6440 		if (fvp)
6441 		        vnode_put(fvp);
7298 	vnode_t fvp;
7321 	fvp = fnd.ni_vp;
7328 		vnode_put(fvp);
7337 	if (svp == fvp) {
7345 	if (svp->v_mount != fvp->v_mount) {
7353 	if ( (vnode_isreg(svp) == 0) || (vnode_isreg(fvp) == 0) ) {
7361 	    fvp, svp);
7365 	if (((error = vnode_authorize(fvp, NULL, KAUTH_VNODE_READ_DATA | KAUTH_VNODE_WRITE_DATA, ctx)) != 0) ||
7371 	need_fsevent(FSE_EXCHANGE, fvp) ||
7381 		flen = safe_getpath(fvp, NULL, fpath, MAXPATHLEN, &from_truncated);
7385 		get_fse_info(fvp, &f_finfo, ctx);
7394 	error = VNOP_EXCHANGE(fvp, svp, 0, ctx);
7408 	    tmpname     = fvp->v_name;
7409 	    fvp->v_name = svp->v_name;
7412 	    if (fvp->v_parent != svp->v_parent) {
7415 		tmp           = fvp->v_parent;
7416 		fvp->v_parent = svp->v_parent;
7439 	vnode_put(fvp);