mirror of
https://github.com/reactos/reactos.git
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174 lines
3.9 KiB
C
174 lines
3.9 KiB
C
/*
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* PROJECT: ReactOS Kernel
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: ntoskrnl/include/internal/fsrtl.h
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* PURPOSE: Internal header for the File System Runtime Library
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* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
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*/
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//
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// Define this if you want debugging support
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//
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#define _FSRTL_DEBUG_ 0x00
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//
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// These define the Debug Masks Supported
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//
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#define FSRTL_FASTIO_DEBUG 0x01
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#define FSRTL_OPLOCK_DEBUG 0x02
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#define FSRTL_TUNNEL_DEBUG 0x04
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#define FSRTL_MCB_DEBUG 0x08
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#define FSRTL_NAME_DEBUG 0x10
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#define FSRTL_NOTIFY_DEBUG 0x20
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#define FSRTL_FILELOCK_DEBUG 0x40
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#define FSRTL_UNC_DEBUG 0x80
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#define FSRTL_FILTER_DEBUG 0x100
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#define FSRTL_CONTEXT_DEBUG 0x200
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//
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// Debug/Tracing support
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//
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#if _FSRTL_DEBUG_
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#ifdef NEW_DEBUG_SYSTEM_IMPLEMENTED // enable when Debug Filters are implemented
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#define FSTRACE DbgPrintEx
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#else
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#define FSTRACE(x, ...) \
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if (x & FsRtlpTraceLevel) DbgPrint(__VA_ARGS__)
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#endif
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#else
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#define FSTRACE(x, ...) DPRINT(__VA_ARGS__)
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#endif
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//
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// Number of internal ERESOURCE structures allocated for callers to request
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//
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#define FSRTL_MAX_RESOURCES 16
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//
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// Number of maximum pair count per MCB
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//
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#define MAXIMUM_PAIR_COUNT 15
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//
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// Notifications flags
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//
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#define WATCH_TREE 0x01
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#define NOTIFY_IMMEDIATELY 0x02
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#define CLEANUP_IN_PROCESS 0x04
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#define NOTIFY_LATER 0x08
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#define WATCH_ROOT 0x10
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#define DELETE_IN_PROCESS 0x20
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//
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// Internal structure for NOTIFY_SYNC
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//
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typedef struct _REAL_NOTIFY_SYNC
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{
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FAST_MUTEX FastMutex;
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ULONG_PTR OwningThread;
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ULONG OwnerCount;
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} REAL_NOTIFY_SYNC, * PREAL_NOTIFY_SYNC;
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//
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// Internal structure for notifications
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//
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typedef struct _NOTIFY_CHANGE
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{
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PREAL_NOTIFY_SYNC NotifySync;
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PVOID FsContext;
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PVOID StreamID;
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PCHECK_FOR_TRAVERSE_ACCESS TraverseCallback;
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PSECURITY_SUBJECT_CONTEXT SubjectContext;
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PSTRING FullDirectoryName;
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LIST_ENTRY NotifyList;
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LIST_ENTRY NotifyIrps;
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PFILTER_REPORT_CHANGE FilterCallback;
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USHORT Flags;
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UCHAR CharacterSize;
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ULONG CompletionFilter;
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PVOID AllocatedBuffer;
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PVOID Buffer;
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ULONG BufferLength;
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ULONG ThisBufferLength;
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ULONG DataLength;
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ULONG LastEntry;
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ULONG ReferenceCount;
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PEPROCESS OwningProcess;
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} NOTIFY_CHANGE, *PNOTIFY_CHANGE;
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//
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// Internal structure for MCB Mapping pointer
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//
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typedef struct _INT_MAPPING
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{
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VBN Vbn;
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LBN Lbn;
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} INT_MAPPING, *PINT_MAPPING;
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//
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// Initialization Routines
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//
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CODE_SEG("INIT")
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VOID
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NTAPI
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FsRtlInitializeLargeMcbs(
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VOID
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);
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CODE_SEG("INIT")
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VOID
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NTAPI
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FsRtlInitializeTunnels(
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VOID
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);
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//
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// File contexts Routines
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//
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VOID
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NTAPI
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FsRtlPTeardownPerFileObjectContexts(
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IN PFILE_OBJECT FileObject
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);
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CODE_SEG("INIT")
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BOOLEAN
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NTAPI
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FsRtlInitSystem(
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VOID
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);
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//
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// Global data inside the File System Runtime Library
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//
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extern PERESOURCE FsRtlPagingIoResources;
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extern PAGED_LOOKASIDE_LIST FsRtlFileLockLookasideList;
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//
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// File locking routine
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//
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NTSTATUS
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NTAPI
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FsRtlAcquireToCreateMappedSection(_In_ PFILE_OBJECT FileObject,
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_In_ ULONG SectionPageProtection);
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VOID
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NTAPI
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FsRtlReleaseFileForCcFlush(IN PFILE_OBJECT FileObject);
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NTSTATUS
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NTAPI
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FsRtlAcquireFileForCcFlushEx(IN PFILE_OBJECT FileObject);
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_Check_return_
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NTSTATUS
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NTAPI
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FsRtlAcquireFileForModWriteEx(_In_ PFILE_OBJECT FileObject,
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_In_ PLARGE_INTEGER EndingOffset,
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_Outptr_result_maybenull_ PERESOURCE *ResourceToRelease);
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VOID
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NTAPI
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FsRtlReleaseFileForModWrite(IN PFILE_OBJECT FileObject,
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IN PERESOURCE ResourceToRelease);
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