kabi:fuse: reserve space for future expansion

euleros inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4PF3R?from=project-issue



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Reserve space for future fuse kabi expansion

Signed-off-by: Wenchao Hao <haowenchao@huawei.com>
Reviewed-by: Wu Bo <wubo40@huawei.com>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>