From: Zebediah Figura Subject: [PATCH v3 2/6] kernelbase: Return the volume serial number in GetFileInformationByHandle(). Message-Id: <20200408210607.1235092-2-zfigura@codeweavers.com> Date: Wed, 8 Apr 2020 16:06:03 -0500 In-Reply-To: <20200408210607.1235092-1-zfigura@codeweavers.com> References: <20200408210607.1235092-1-zfigura@codeweavers.com> Signed-off-by: Zebediah Figura --- v3: Don't depend on success from NtQueryVolumeInformationFile(). dlls/kernelbase/file.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/dlls/kernelbase/file.c b/dlls/kernelbase/file.c index 18b86820367..9ca184a5d04 100644 --- a/dlls/kernelbase/file.c +++ b/dlls/kernelbase/file.c @@ -2201,6 +2201,7 @@ BOOL WINAPI DECLSPEC_HOTPATCH FlushFileBuffers( HANDLE file ) */ BOOL WINAPI DECLSPEC_HOTPATCH GetFileInformationByHandle( HANDLE file, BY_HANDLE_FILE_INFORMATION *info ) { + FILE_FS_VOLUME_INFORMATION volume_info; FILE_ALL_INFORMATION all_info; IO_STATUS_BLOCK io; NTSTATUS status; @@ -2216,12 +2217,17 @@ BOOL WINAPI DECLSPEC_HOTPATCH GetFileInformationByHandle( HANDLE file, BY_HANDLE info->ftLastAccessTime.dwLowDateTime = all_info.BasicInformation.LastAccessTime.u.LowPart; info->ftLastWriteTime.dwHighDateTime = all_info.BasicInformation.LastWriteTime.u.HighPart; info->ftLastWriteTime.dwLowDateTime = all_info.BasicInformation.LastWriteTime.u.LowPart; - info->dwVolumeSerialNumber = 0; /* FIXME */ + info->dwVolumeSerialNumber = 0; info->nFileSizeHigh = all_info.StandardInformation.EndOfFile.u.HighPart; info->nFileSizeLow = all_info.StandardInformation.EndOfFile.u.LowPart; info->nNumberOfLinks = all_info.StandardInformation.NumberOfLinks; info->nFileIndexHigh = all_info.InternalInformation.IndexNumber.u.HighPart; info->nFileIndexLow = all_info.InternalInformation.IndexNumber.u.LowPart; + + status = NtQueryVolumeInformationFile( file, &io, &volume_info, sizeof(volume_info), FileFsVolumeInformation ); + if (status == STATUS_SUCCESS || status == STATUS_BUFFER_OVERFLOW) + info->dwVolumeSerialNumber = volume_info.VolumeSerialNumber; + return TRUE; } -- 2.26.0