Re: [PATCH v2 1/3] blk-mq: add blk_mq_num_possible_queues helper

[Hannes Reinecke]

On 6/27/24 16:10, Daniel Wagner wrote:
> Multi queue devices which use managed IRQs should only allocate queues
> for the housekeeping CPUs when isolcpus is set. This avoids that the
> isolated CPUs get disturbed with OS workload.
>
> Add a helper which calculates the correct number of queues which should
> be used.
>
> Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
> ---
>   block/blk-mq-cpumap.c  | 20 ++++++++++++++++++++
>   include/linux/blk-mq.h |  1 +
>   2 files changed, 21 insertions(+)
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@xxxxxxx                                +49 911 74053 688
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