f2fs: introduce __is_large_section() for cleanup

Introduce a wrapper __is_large_section() to clean up codes.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 0909a70..c50c3aa 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2762,6 +2762,8 @@ static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
 	spin_unlock(&sbi->iostat_lock);
 }
 
+#define __is_large_section(sbi)		((sbi)->segs_per_sec > 1)
+
 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO(fio->type) == META &&	\
 				(!is_read_io(fio->op) || fio->is_meta))