[PATCH 5/5] virtio: blk/scsi: use block layer helpers to calculate num of queues

Chaitanya Kulkarni chaitanyak at nvidia.com
Tue Jun 24 21:38:09 PDT 2025


On 6/17/25 06:43, Daniel Wagner wrote:
> The calculation of the upper limit for queues does not depend solely on
> the number of possible CPUs; for example, the isolcpus kernel
> command-line option must also be considered.
>
> To account for this, the block layer provides a helper function to
> retrieve the maximum number of queues. Use it to set an appropriate
> upper queue number limit.
>
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> Acked-by: Michael S. Tsirkin <mst at redhat.com>
> Reviewed-by: Hannes Reinecke <hare at suse.de>
> Reviewed-by: Ming Lei <ming.lei at redhat.com>
> Signed-off-by: Daniel Wagner <wagi at kernel.org>
> ---
>   

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>

-ck


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