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SubjectRe: [PATCH v2] scsi: core: Refine how we set tag_set NUMA node
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On Wed, 30 Mar 2022 19:38:35 +0800, John Garry wrote:

> For SCSI hosts which enable host_tagset the NUMA node returned from
> blk_mq_hw_queue_to_node() is NUMA_NO_NODE always. Then, since in
> scsi_mq_setup_tags() the default we choose for the tag_set NUMA node is
> NUMA_NO_NODE, we always evaluate the NUMA node as NUMA_NO_NODE in
> functions like blk_mq_alloc_rq_map().
>
> The reason we get NUMA_NO_NODE from blk_mq_hw_queue_to_node() is that
> the hctx_idx passed is BLK_MQ_NO_HCTX_IDX - so we can't match against a
> (HW) queue mapping index.
>
> [...]

Applied to 5.19/scsi-queue, thanks!

[1/1] scsi: core: Refine how we set tag_set NUMA node
https://git.kernel.org/mkp/scsi/c/973dac8a8a14

--
Martin K. Petersen Oracle Linux Engineering

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