Re: [PATCH 0/2] Limit number of hw queues by nr_cpu_ids for virtio-blk and virtio-scsi

2019-04-10 Thread Jens Axboe
On 3/27/19 4:36 AM, Dongli Zhang wrote: > When tag_set->nr_maps is 1, the block layer limits the number of hw queues > by nr_cpu_ids. No matter how many hw queues are use by > virtio-blk/virtio-scsi, as they both have (tag_set->nr_maps == 1), they > can use at most nr_cpu_ids hw queues. > > In add

Re: [PATCH 0/2] Limit number of hw queues by nr_cpu_ids for virtio-blk and virtio-scsi

2019-04-08 Thread Dongli Zhang
ping? Thank you very much! Dongli Zhang On 03/27/2019 06:36 PM, Dongli Zhang wrote: > When tag_set->nr_maps is 1, the block layer limits the number of hw queues > by nr_cpu_ids. No matter how many hw queues are use by > virtio-blk/virtio-scsi, as they both have (tag_set->nr_maps == 1), they > ca