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sys: IRP_MJ_FLUSH_BUFFERS

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This commit is contained in:
Bill Zissimopoulos
2016-04-02 11:38:24 -07:00
parent b187d47bca
commit e6ab31a0e0
8 changed files with 128 additions and 4 deletions
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26
src/sys/util.c
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@ -29,6 +29,8 @@ NTSTATUS FspCcMdlReadComplete(PFILE_OBJECT FileObject, PMDL MdlChain);
NTSTATUS FspCcPrepareMdlWrite(PFILE_OBJECT FileObject, PLARGE_INTEGER FileOffset, ULONG Length,
PMDL *PMdlChain, PIO_STATUS_BLOCK IoStatus);
NTSTATUS FspCcMdlWriteComplete(PFILE_OBJECT FileObject, PLARGE_INTEGER FileOffset, PMDL MdlChain);
NTSTATUS FspCcFlushCache(PSECTION_OBJECT_POINTERS SectionObjectPointer,
PLARGE_INTEGER FileOffset, ULONG Length, PIO_STATUS_BLOCK IoStatus);
NTSTATUS FspQuerySecurityDescriptorInfo(SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR SecurityDescriptor, PULONG PLength,
PSECURITY_DESCRIPTOR ObjectsSecurityDescriptor);
@ -83,6 +85,7 @@ VOID FspSafeMdlDelete(FSP_SAFE_MDL *SafeMdl);
#pragma alloc_text(PAGE, FspCcMdlReadComplete)
#pragma alloc_text(PAGE, FspCcPrepareMdlWrite)
#pragma alloc_text(PAGE, FspCcMdlWriteComplete)
#pragma alloc_text(PAGE, FspCcFlushCache)
#pragma alloc_text(PAGE, FspQuerySecurityDescriptorInfo)
#pragma alloc_text(PAGE, FspNotifyInitializeSync)
#pragma alloc_text(PAGE, FspNotifyFullChangeDirectory)
@ -528,6 +531,29 @@ NTSTATUS FspCcMdlWriteComplete(PFILE_OBJECT FileObject, PLARGE_INTEGER FileOffse
}
}
NTSTATUS FspCcFlushCache(PSECTION_OBJECT_POINTERS SectionObjectPointer,
PLARGE_INTEGER FileOffset, ULONG Length, PIO_STATUS_BLOCK IoStatus)
{
PAGED_CODE();
NTSTATUS Result;
try
{
CcFlushCache(SectionObjectPointer, FileOffset, Length, IoStatus);
Result = IoStatus->Status;
}
except (EXCEPTION_EXECUTE_HANDLER)
{
Result = GetExceptionCode();
IoStatus->Information = 0;
IoStatus->Status = Result;
}
return Result;
}
NTSTATUS FspQuerySecurityDescriptorInfo(SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR SecurityDescriptor, PULONG PLength,
PSECURITY_DESCRIPTOR ObjectsSecurityDescriptor)