[PATCH v2 1/5] kernelbase: Return the volume serial number in GetFileInformationByHandle().

[Zebediah Figura]

Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
 dlls/kernelbase/file.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dlls/kernelbase/file.c b/dlls/kernelbase/file.c
index 18b86820367..91587df64a4 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;
@@ -2209,6 +2210,10 @@ BOOL WINAPI DECLSPEC_HOTPATCH GetFileInformationByHandle( HANDLE file, BY_HANDLE
     if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
     if (!set_ntstatus( status )) return FALSE;
 
+    status = NtQueryVolumeInformationFile( file, &io, &volume_info, sizeof(volume_info), FileFsVolumeInformation );
+    if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
+    if (!set_ntstatus( status )) return FALSE;
+
     info->dwFileAttributes                = all_info.BasicInformation.FileAttributes;
     info->ftCreationTime.dwHighDateTime   = all_info.BasicInformation.CreationTime.u.HighPart;
     info->ftCreationTime.dwLowDateTime    = all_info.BasicInformation.CreationTime.u.LowPart;
@@ -2216,7 +2221,7 @@ 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            = volume_info.VolumeSerialNumber;
     info->nFileSizeHigh                   = all_info.StandardInformation.EndOfFile.u.HighPart;
     info->nFileSizeLow                    = all_info.StandardInformation.EndOfFile.u.LowPart;
     info->nNumberOfLinks                  = all_info.StandardInformation.NumberOfLinks;
-- 
2.26.0