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9.3 ÉÏÏÂÎÄ»ñÈ¡£¨Retrieval£©½Ó¿Ú

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NTSTATUS

FLTAPI

FltGetVolumeContext (

IN PFLT_FILTER Filter,

IN PFLT_VOLUME Volume,

OUT PFLT_CONTEXT *Context

);

NTSTATUS

FLTAPI

FltGetInstanceContext (

IN PFLT_INSTANCE Instance,

OUT PFLT_CONTEXT *Context

);

NTSTATUS

FLTAPI

FltGetFileContext (

IN PFLT_INSTANCE Instance,

IN PFILE_OBJECT FileObject,

OUT PFLT_CONTEXT *Context

);

NTSTATUS

FLTAPI

FltGetStreamContext (

IN PFLT_INSTANCE Instance,

IN PFILE_OBJECT FileObject,

OUT PFLT_CONTEXT *Context

);

NTSTATUS

FLTAPI

FltGetStreamHandleContext (

IN PFLT_INSTANCE Instance,

IN PFILE_OBJECT FileObject,

OUT PFLT_CONTEXT *Context );

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VOID

FLTAPI

FltReleaseContext (

IN PFLT_CONTEXT Context )£»

ÀàËÆÊµÀý֪ͨÀý³Ì£¬Ã¿¸ö²Ù×÷µÄ»Øµ÷Àý³Ì¶¼ÊÕµ½Ò»¸öFLT_RELATED_OBJECTS½á¹¹¡£Õâ¸ö½á¹¹°üº¬ËùÓÐÕâ¸ö²Ù×÷Ïà¹ØµÄËùÓÐÒÑÖªµÄµÄ¶ÔÏó¡£ÎªÁ˼ò»¯ÉÏÏÂÎĵĻñÈ¡£¬ÓÐÒ»¸öÀàËÆµÄFLT_RELATED_CONTEXT¿ÉÒÔÒ»´Î»ñÈ¡¡£Õâ¸ö½á¹¹ÈçÏ£º

typedef struct _FLT_RELATED_CONTEXTS {

PFLT_CONTEXT VolumeContext;

PFLT_CONTEXT InstanceContext;

PFLT_CONTEXT FileContext;

PFLT_CONTEXT StreamContext;

PFLT_CONTEXT StreamHandleContext;

} FLT_RELATED_CONTEXTS, *PFLT_RELATED_CONTEXTS;

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VOID

FltGetContexts (

IN PFLT_RELATED_OBJECTS FltObjects, IN FLT_CONTEXT_TYPE DesiredContexts, OUT PFLT_RELATED_CONTEXTS Contexts );

VOID

FltReleaseContexts (

IN OUT PFLT_RELATED_CONTEXTS Contexts );

9.4 ÉÏÏÂÎÄÊͷŽӿÚ

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