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由 James Bottomley 提交于
We have a problem in scsi_transport_spi in that we need to customise not only the visibility of the attributes, but also their mode. Fix this by making the is_visible() callback return a mode, with 0 indicating is not visible. Also add a sysfs_update_group() API to allow us to change either the visibility or mode of the files at any time on the fly. Acked-by: NKay Sievers <kay.sievers@vrfy.org> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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