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sys: FspFsvolWriteCached: update file size prior to a cached write to ensure that the user-mode file system knows the correct file size

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Bill Zissimopoulos
2016-03-15 23:27:31 -07:00
parent bd413b9c9b
commit 12463043e4
3 changed files with 81 additions and 28 deletions
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2
src/sys/driver.h
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@ -389,6 +389,8 @@ PVOID FspAllocateIrpMustSucceed(CCHAR StackSize);
BOOLEAN FspUnicodePathIsValid(PUNICODE_STRING Path, BOOLEAN AllowStreams);
VOID FspUnicodePathSuffix(PUNICODE_STRING Path, PUNICODE_STRING Remain, PUNICODE_STRING Suffix);
NTSTATUS FspCreateGuid(GUID *Guid);
NTSTATUS FspSendSetInformationIrp(PFILE_OBJECT FileObject,
FILE_INFORMATION_CLASS FileInformationClass, PVOID FileInformation, ULONG Length);
NTSTATUS FspLockUserBuffer(PVOID UserBuffer, ULONG Length,
KPROCESSOR_MODE RequestorMode, LOCK_OPERATION Operation, PMDL *PMdl);
NTSTATUS FspMapLockedPagesInUserMode(PMDL Mdl, PVOID *PAddress);