struct _CACHE_MANAGER_CALLBACKS {
unsigned char (*AcquireForLazyWrite)(void*, unsigned char);/* 0x0 4 */
void (*ReleaseFromLazyWrite)(void*);/* 0x4 4 */
unsigned char (*AcquireForReadAhead)(void*, unsigned char);/* 0x8 4 */
void (*ReleaseFromReadAhead)(void*);/* 0xc 4 */
};