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 86a0c1095939c5fe841d367d4a2aa9f9ff83cbe8..7637033ef87b876ce73180d8b048388921d9757e 100644 (file)
--- 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;
        }