exfat: improve exfat_find_last_cluster

Since exfat_ent_get support cache buffer head, let's apply it to
exfat_find_last_cluster.

Signed-off-by: Chi Zhiling <chizhiling@kylinos.cn>
Reviewed-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
This commit is contained in:
Chi Zhiling 2026-01-14 20:12:40 +08:00 • committed by Namjae Jeon
commit 5e205c484b