/* * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved. * * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the * License may not be used to create, or enable the creation or * redistribution of, unlawful or unlicensed copies of an Apple operating * system, or to circumvent, violate, or enable the circumvention or * violation of, any terms of an Apple operating system software license * agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_OSREFERENCE_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__ */