MDEV-21584 - portability fix

This patch implements OS_DATA_FILE_NO_O_DIRECT on Windows.

MDEV-21584 - portability fix
This patch implements OS_DATA_FILE_NO_O_DIRECT on Windows.
00f620b2 · Vladislav Vaintroub · Marko Mäkelä · 14a8b700 · 00f620b2
Commit 00f620b2 authored Mar 17, 2021 by Vladislav Vaintroub Committed by Marko Mäkelä Mar 18, 2021
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storage/innobase/os/os0file.cc storage/innobase/os/os0file.cc +3 -1

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--- a/storage/innobase/os/os0file.cc
+++ b/storage/innobase/os/os0file.cc
@@ -4305,7 +4305,9 @@ os_file_create_func(

 	case SRV_ALL_O_DIRECT_FSYNC:
 		/*Traditional Windows behavior, no buffering for any files.*/
-		attributes |= FILE_FLAG_NO_BUFFERING;
+		if (type != OS_DATA_FILE_NO_O_DIRECT) {
+			attributes |= FILE_FLAG_NO_BUFFERING;
+		}
 		break;

 	case SRV_FSYNC: