/* * Copyright (c) 1999, 2000-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef __VN_SHADOW_H__ #define __VN_SHADOW_H__ #include <sys/appleapiopts.h> #ifdef __APPLE_API_PRIVATE typedef struct shadow_map shadow_map_t; boolean_t shadow_map_read(shadow_map_t * map, u_long block_offset, u_long block_count, u_long * incr_block_offset, u_long * incr_block_count); boolean_t shadow_map_write(shadow_map_t * map, u_long block_offset, u_long block_count, u_long * incr_block_offset, u_long * incr_block_count); boolean_t shadow_map_is_written(shadow_map_t * map, u_long block_offset); u_long shadow_map_shadow_size(shadow_map_t * map); shadow_map_t * shadow_map_create(off_t file_size, off_t shadow_size, unsigned long band_size, unsigned long block_size); void shadow_map_free(shadow_map_t * map); #endif /* __APPLE_API_PRIVATE */ #endif /* __VN_SHADOW_H__ */