libata-scsi: fix SET FEATURES "filtering" for ata_msense_caching()
Without this fix, the DRA bit of the caching mode page would not be updated when the read look-ahead feature is toggled (e.g. with `smartctl --set`), but will only be until, for example, the write cache feature is touched. Signed-off-by: NTom Yan <tom.ty89@gmail.com> Signed-off-by: NTejun Heo <tj@kernel.org>
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