From 092a13da9c4edd8c0782004febb3af1d40a80800 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Fri, 28 Sep 2018 00:24:39 -0700
Subject: [PATCH] f2fs: keep lazytime on remount

This patch fixes losing lazytime when remounting f2fs.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 24c390dbed1a..f30a6b67b7b4 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1551,6 +1551,7 @@ skip:
 		(test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0);
 
 	limit_reserve_root(sbi);
+	*flags = (*flags & ~MS_LAZYTIME) | (sb->s_flags & MS_LAZYTIME);
 	return 0;
 restore_gc:
 	if (need_restart_gc) {