Messages in this thread | | | Date | Wed, 10 Oct 2018 23:36:03 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH 0/7] hisi_sas: Misc bugfixes and an optimisation patch |
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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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