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SubjectRe: [PATCH 0/7] hisi_sas: Misc bugfixes and an optimisation patch
On Wed, Oct 10, 2018 at 09:58:25PM -0400, Martin K. Petersen wrote:
> > This is because the IPTT index must be a unique value per HBA. However,
> > if we switched to SCSI MQ, the block layer tag becomes unique per queue,
> > and not per HBA.
> That doesn't sound right.

blk-mq tags are always per-host (which has actually caused problems for
ATA, which is now using its own per-device tags).

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