block: fix kabi broken in request_queue

hulk inclusion
category: bugfix
bugzilla: 186917, https://gitee.com/openeuler/kernel/issues/I5N1S5


CVE: NA

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Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>