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Bo's ntifs.h + ReactOS extensions (untested).

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svn path=/trunk/; revision=582
This commit is contained in:
Emanuele Aliberti 1999-07-04 22:22:05 +00:00
parent 86b93a6ac8
commit fad2f584e9
1 changed files with 67 additions and 0 deletions
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67
reactos/include/ddk/ntifs.h
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@ -1621,4 +1621,71 @@ ZwUnlockFile (
}
#endif
/* --- BEGIN - REACTOS ONLY --- */
typedef struct _BCB
{
LIST_ENTRY CacheSegmentListHead;
PFILE_OBJECT FileObject;
KSPIN_LOCK BcbLock;
} BCB, *PBCB;
#define CACHE_SEGMENT_SIZE (0x1000)
struct _MEMORY_AREA;
typedef struct _CACHE_SEGMENT
{
PVOID BaseAddress;
struct _MEMORY_AREA * MemoryArea;
BOOLEAN Valid;
LIST_ENTRY ListEntry;
ULONG FileOffset;
KEVENT Lock;
ULONG ReferenceCount;
PBCB Bcb;
} CACHE_SEGMENT, *PCACHE_SEGMENT;
NTSTATUS
CcFlushCachePage (
PCACHE_SEGMENT CacheSeg
);
NTSTATUS
CcReleaseCachePage (
PBCB Bcb,
PCACHE_SEGMENT CacheSeg,
BOOLEAN Valid
);
NTSTATUS
CcRequestCachePage (
PBCB Bcb,
ULONG FileOffset,
PVOID * BaseAddress,
PBOOLEAN UptoDate,
PCACHE_SEGMENT * CacheSeg
);
NTSTATUS
CcInitializeFileCache (
PFILE_OBJECT FileObject,
PBCB * Bcb
);
NTSTATUS
CcReleaseFileCache (
PFILE_OBJECT FileObject,
PBCB Bcb
);
#include <ddk/cctypes.h>
#include <ddk/ccfuncs.h>
/* --- END - REACTOS ONLY --- */
#endif // _NTIFS_