From 9a176b97faadaabca497f54adc32ba6656c33605 Mon Sep 17 00:00:00 2001
From: Joseph Qi <joseph.qi@linux.alibaba.com>
Date: Fri, 12 Aug 2022 11:23:37 +0800
Subject: [PATCH 1/9] Disable metadata_csum for ext4 by default until upstream
 fix perf loss

AIM9 benchmarks show there are 17%~62% system perf regression loss if
ext4 metadata_csum enabled. Here we disable this default metadata_csum
for ext4 until upstream fix perf regression loss.

Signed-off-by: Jacob Wang <yungao.wjb@linux.alibaba-inc.com>
(cherry picked from commit 7964b9c2e16fe478bc6560b783e9fa9f6fcf3661)
[ caspar: adjust patch to apply in new version ]
Signed-off-by: Caspar Zhang <caspar@linux.alibaba.com>
Signed-off-by: weitao zhou <zhouwt@linux.alibaba.com>
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
---
 misc/mke2fs.conf.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/misc/mke2fs.conf.in b/misc/mke2fs.conf.in
index a533b210..99a29fdb 100644
--- a/misc/mke2fs.conf.in
+++ b/misc/mke2fs.conf.in
@@ -11,7 +11,7 @@
 		features = has_journal
 	}
 	ext4 = {
-		features = has_journal,extent,huge_file,flex_bg,metadata_csum,64bit,dir_nlink,extra_isize
+		features = has_journal,extent,huge_file,flex_bg,uninit_bg,64bit,dir_nlink,extra_isize
 		inode_size = 256
 	}
 	rhel6_ext4 = {
-- 
2.24.4