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由 Tejun Heo 提交于
libata core layer doesn't care about sht or ->irq_handler. Those are only of interest to the LLD during initialization. This is confusing and has caused several drivers to have duplicate unused initializers for these fields. Currently only sata_nv uses these fields. Make sata_nv use ->private_data, which is supposed to carry LLD-specific information, instead and kill ->sht and ->irq_handler. nv_pi_priv structure is defined and struct literals are used to initialize private_data. Notational overhead is negligible. Signed-off-by: NTejun Heo <htejun@gmail.com>
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