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    SubjectRe: [PATCH] bcache: make stripe_size configurable and persistent for hardware raid5/6
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    Eric,

    > While some drivers set queue_limits.io_opt (e.g., md raid5), there are
    > currently no SCSI/RAID controller drivers that do.

    That's not true. Lots of SCSI RAID devices report a stripe width.

    --
    Martin K. Petersen Oracle Linux Engineering

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