From: Yunlong Song <yunlong.song@huawei.com>
Date: Sat, 24 Jun 2017 07:57:19 +0000 (+0800)
Subject: f2fs: avoid redundant f2fs_flush after remount
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d871cd046f1a5ae816c836cf114d57288bcb00b2;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

f2fs: avoid redundant f2fs_flush after remount

create_flush_cmd_control will create redundant issue_flush_thread after each
remount with flush_merge option.

Signed-off-by: Yunlong Song <yunlong.song@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 86a0c1095939..7637033ef87b 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -555,6 +555,8 @@ int create_flush_cmd_control(struct f2fs_sb_info *sbi)
 
 	if (SM_I(sbi)->fcc_info) {
 		fcc = SM_I(sbi)->fcc_info;
+		if (fcc->f2fs_issue_flush)
+			return err;
 		goto init_thread;
 	}