# Re: \[PATCH v4 3/6\] core.fsyncobjectfiles: add windows support for batch mode

- From: Neeraj Singh \<hidden\>
- Date: 2021-09-22 01:24:02 
- List: git
- Page: https://ratatoskr.run/git/2021/09/7903260
- Thread: https://ratatoskr.run/git/2021/08/7900260/t.md

```text
On Tue, Sep 21, 2021 at 4:44 PM Ævar Arnfjörð Bjarmason
[ref] wrote:
>
>
> On Mon, Sep 20 2021, Neeraj Singh via GitGitGadget wrote:
>
> > +int win32_fsync_no_flush(int fd)
> > +{
> > +       IO_STATUS_BLOCK io_status;
> > +
> > +#define FLUSH_FLAGS_FILE_DATA_ONLY 1
> > +
> > +       DECLARE_PROC_ADDR(ntdll.dll, NTSTATUS, NtFlushBuffersFileEx,
> > +                      HANDLE FileHandle, ULONG Flags, PVOID Parameters, ULONG ParameterSize,
> > +                      PIO_STATUS_BLOCK IoStatusBlock);
> > +
> > +       if (!INIT_PROC_ADDR(NtFlushBuffersFileEx)) {
> > +             errno = ENOSYS;
> > +             return -1;
> > +       }
> > +
> > +       /* See https://docs.microsoft.com/en-us/windows-hardware/drivers/ddi/ntifs/nf-ntifs-ntflushbuffersfileex */
> > +       memset(&io_status, 0, sizeof(io_status));
>
> See just an informative link to the API docs, or is the comemnt on the
> memset() in particular. This comment seems like it's just doing a
> Google/Bing search for you, so maybe better without it?

Will remove. Just wanted to make sure everyone knows taht this is
documented somewhere :).
```