f2fs: avoid using timespec

All uses of timespec are deprecated, and this one is not particularly
useful, as the documented method for converting seconds to jiffies
is to multiply by 'HZ'.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Reviewed-by: NChao Yu <yuchao0@huawei.com>
Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/f2fs.h

@@ -1205,8 +1205,7 @@ static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type)
 
 static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type)
 {
-	struct timespec ts = {sbi->interval_time[type], 0};
-	unsigned long interval = timespec_to_jiffies(&ts);
+	unsigned long interval = sbi->interval_time[type] * HZ;
 
 	return time_after(jiffies, sbi->last_time[type] + interval);
 }