bsd/vfs/vfs_xattr.c

1389 static void  close_xattrfile(vnode_t xvp, int fileflags, vfs_context_t context);
1393 static int  create_xattrfile(vnode_t xvp, u_int32_t fileid, vfs_context_t context);
1395 static int  remove_xattrfile(vnode_t xvp, vfs_context_t context);
1397 static int  get_xattrinfo(vnode_t xvp, int setting, attr_info_t *ainfop, vfs_context_t context);
1405 static int  lock_xattrfile(vnode_t xvp, short locktype, vfs_context_t context);
1407 static int  unlock_xattrfile(vnode_t xvp, vfs_context_t context);
1420 static int  shift_data_down(vnode_t xvp, off_t start, size_t len, off_t delta, vfs_context_t context);
1421 static int  shift_data_up(vnode_t xvp, off_t start, size_t len, off_t delta, vfs_context_t context);
1524 	vnode_t xvp = NULL;
1549 	if ((error = open_xattrfile(vp, fileflags, &xvp, context))) {
1552 	if ((error = get_xattrinfo(xvp, 0, &ainfo, context))) {
1553 		close_xattrfile(xvp, fileflags, context);
1586 			error = VNOP_READ(xvp, uio, 0, context);
1625 				error = VNOP_READ(xvp, uio, 0, context);
1634 	close_xattrfile(xvp, fileflags, context);
1645 	vnode_t xvp = NULL;
1707 	if ((error = open_xattrfile(vp, O_CREAT | fileflags, &xvp, context))) {
1710 	if ((error = get_xattrinfo(xvp, ATTR_SETTING, &ainfo, context))) {
1711 		close_xattrfile(xvp, fileflags, context);
1744 			close_xattrfile(xvp, fileflags, context);
1784 		error = VNOP_WRITE(xvp, uio, 0, context);
1833 				error = VNOP_WRITE(xvp, uio, 0, context);
1856 			close_xattrfile(xvp, fileflags, context);
1892 		error = vnode_setsize(xvp, ainfo.filesize, 0, context);
1904 				shift_data_down(xvp,
1917 		shift_data_down(xvp,
1945 		error = VNOP_WRITE(xvp, uio, 0, context);
1986 	close_xattrfile(xvp, fileflags, context);
2014 	vnode_t xvp = NULL;
2045 	if ((error = open_xattrfile(vp, fileflags, &xvp, context))) {
2048 	if ((error = get_xattrinfo(xvp, 0, &ainfo, context))) {
2049 		close_xattrfile(xvp, fileflags, context);
2096 			error = vnode_setsize(xvp, ainfo.filesize, 0, context);
2150 		shift_data_up(xvp,
2156 			shift_data_up(xvp,
2202 			(void) unlock_xattrfile(xvp, context);
2203 		VNOP_CLOSE(xvp, fileflags, context);
2204 		vnode_rele(xvp);
2205 		error = remove_xattrfile(xvp, context);
2206 		vnode_put(xvp);
2208 		close_xattrfile(xvp, fileflags, context);
2237 	vnode_t xvp = NULL;
2249 	if ((error = open_xattrfile(vp, FREAD, &xvp, context))) {
2254 	if ((error = get_xattrinfo(xvp, 0, &ainfo, context))) {
2257 		close_xattrfile(xvp, FREAD, context);
2324 	close_xattrfile(xvp, FREAD, context);
2396 	vnode_t xvp = NULLVP;
2465 		if ( (xvp = nd.ni_vp) == NULLVP) {
2505 				xvp = nd.ni_vp;
2519 	        xvp = nd.ni_vp;
2524 	if (xvp->v_type != VREG) {
2538 		if (VNOP_GETATTR(xvp, &va, context) == 0 && (owner != va.va_uid)) {
2544 	if ( (error = VNOP_OPEN(xvp, fileflags & ~(O_EXLOCK | O_SHLOCK), context))) {
2550 	if ((error = vnode_ref(xvp))) {
2561 		if ( (error = vnode_getattr(xvp, &va, context)) != 0) {
2573 			if ( (error = create_xattrfile(xvp, (u_int32_t)va.va_fileid, context)))
2582 		error = lock_xattrfile(xvp, locktype, context);
2597 		if (xvp != NULLVP) {
2599 				(void) VNOP_CLOSE(xvp, fileflags, context);
2602 				(void) vnode_rele(xvp);
2604 			(void) vnode_put(xvp);
2605 			xvp = NULLVP;
2611 	*xvpp = xvp;  /* return a referenced vnode */
2616 close_xattrfile(vnode_t xvp, int fileflags, vfs_context_t context)
2619 //		(void) VNOP_FSYNC(xvp, MNT_WAIT, context);
2622 		(void) unlock_xattrfile(xvp, context);
2624 	(void) VNOP_CLOSE(xvp, fileflags, context);
2625 	(void) vnode_rele(xvp);
2626 	(void) vnode_put(xvp);
2630 remove_xattrfile(vnode_t xvp, vfs_context_t context)
2643 	error = vn_getpath(xvp, path, &pathlen);
2657 	xvp = nd.ni_vp;
2659 	error = VNOP_REMOVE(dvp, xvp, &nd.ni_cnd, 0, context);
2662 	vnode_put(xvp);
2687 get_xattrinfo(vnode_t xvp, int setting, attr_info_t *ainfop, vfs_context_t context)
2698 	ainfop->filevp = xvp;
2703 	if ((error = vnode_getattr(xvp, &va, context))) {
2729 	error = VNOP_READ(xvp, auio, 0, context);
2795 				rf_err = VNOP_READ(xvp, rf_uio, 0, context);
2841 				shift_data_down(xvp,
2850 				vnode_setsize(xvp, filehdr->entries[1].offset + delta, 0, context);
2885 			error = VNOP_WRITE(xvp, auio, 0, context);
2927 create_xattrfile(vnode_t xvp, u_int32_t fileid, vfs_context_t context)
2967 	error = VNOP_WRITE(xvp, auio, 0, context);
3171 shift_data_down(vnode_t xvp, off_t start, size_t len, off_t delta, vfs_context_t context)
3195 		ret = vn_rdwr(UIO_READ, xvp, buff, chunk, pos, UIO_SYSSPACE, IO_NODELOCKED|IO_NOAUTH, ucred, &iolen, p);
3202 		ret = vn_rdwr(UIO_WRITE, xvp, buff, chunk, pos + delta, UIO_SYSSPACE, IO_NODELOCKED|IO_NOAUTH, ucred, &iolen, p);
3224 shift_data_up(vnode_t xvp, off_t start, size_t len, off_t delta, vfs_context_t context)
3250 		ret = vn_rdwr(UIO_READ, xvp, buff, chunk, pos, UIO_SYSSPACE, IO_NODELOCKED|IO_NOAUTH, ucred, &iolen, p);
3257 		ret = vn_rdwr(UIO_WRITE, xvp, buff, chunk, pos - delta, UIO_SYSSPACE, IO_NODELOCKED|IO_NOAUTH, ucred, &iolen, p);
3278 lock_xattrfile(vnode_t xvp, short locktype, vfs_context_t context)
3288 	error = VNOP_ADVLOCK(xvp, (caddr_t)xvp, F_SETLK, &lf, F_FLOCK|F_WAIT, context);
3293 unlock_xattrfile(vnode_t xvp, vfs_context_t context)
3303 	error = VNOP_ADVLOCK(xvp, (caddr_t)xvp, F_UNLCK, &lf, F_FLOCK, context);