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Yu Kuai authored
There are no functional changes, the new api will be used later to do special handling for raid456 in md_suspend(). Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20230512015610.821290-5-yukuai1@huaweicloud.com
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