static ssize_t extent_cache_misses_show(struct ext4_attr *a,
					struct ext4_sb_info *sbi, char *buf)
{
	return snprintf(buf, PAGE_SIZE, "%lu\n", sbi->extent_cache_misses);
}
static ssize_t extent_cache_misses_show(struct ext4_attr *a,
					struct ext4_sb_info *sbi, char *buf)
{
	return snprintf(buf, PAGE_SIZE, "%lu\n", sbi->extent_cache_misses);
}