f2fs: set checkpoint_merge by default

Once we introduced checkpoint_merge, we've seen some contention w/o the option.
In order to avoid it, let's set it by default.

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

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 14239e2..c15800c 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1839,6 +1839,7 @@ static void default_options(struct f2fs_sb_info *sbi)
        set_opt(sbi, EXTENT_CACHE);
        set_opt(sbi, NOHEAP);
        clear_opt(sbi, DISABLE_CHECKPOINT);
+       set_opt(sbi, MERGE_CHECKPOINT);
        F2FS_OPTION(sbi).unusable_cap = 0;
        sbi->sb->s_flags |= SB_LAZYTIME;
        set_opt(sbi, FLUSH_MERGE);