On 6/4/14, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > From: Ming Lei <ming.lei@xxxxxxxxxxxxx> > > The spinlock of tgt_lock is only for serializing read and write > req_vq, one lockless seqcount is enough for the purpose. > > On one 16core VM with vhost-scsi backend, the patch can improve > IOPS with 3% on random read test. > > Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx> > [Add initialization in virtscsi_target_alloc. - Paolo] > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> Reviewed-by: Venkatesh Srinivas <venkateshs@xxxxxxxxxx> -- vs; -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
