Re: [PATCH v4 3/6] core.fsyncobjectfiles: add windows support for batch mode
From: Ævar Arnfjörð Bjarmason <hidden>
Date: 2021-09-21 23:44:33
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?