From: Paolo Bonzini
This patch adds queue steering to virtio-scsi. When a target is sent
multiple requests, we always drive them to the same queue so that FIFO
processing order is kept. However, if a target was idle, we can choose
a queue arbitrarily. In this case the queue is chosen according
On 03/23/13 12:28, Wanlong Gao wrote:
+static struct virtio_scsi_vq *virtscsi_pick_vq(struct virtio_scsi *vscsi,
+ struct virtio_scsi_target_state
*tgt)
+{
+ struct virtio_scsi_vq *vq;
+ unsigned long flags;
+ u32 queue_num;
+
+
Il 25/03/2013 08:25, Bart Van Assche ha scritto:
>>
>> +queue_num = smp_processor_id();
>> +while (unlikely(queue_num >= vscsi->num_queues))
>> +queue_num -= vscsi->num_queues;
>> +
>> +tgt->req_vq = vq = &vscsi->req_vqs[queue_num];
>> +}
>> +
>> +spin_un
