On Sat, Jun 14, 2014 at 1:29 AM, Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote: > Firstly this patch supports more than one virtual queues for virtio-blk > device. > > Secondly this patch maps the virtual queue to blk-mq's hardware queue. > > With this approach, both scalability and performance problem can be improved. > > Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx> > --- > drivers/block/virtio_blk.c | 75 ++++++++++++++++++++++++++++++++------------ > 1 file changed, 55 insertions(+), 20 deletions(-) > > diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c > index f63d358..e0d077d 100644 > --- a/drivers/block/virtio_blk.c > +++ b/drivers/block/virtio_blk.c > @@ -16,6 +16,8 @@ > > #define PART_BITS 4 > > +#define MAX_NUM_VQ 16 It would be nice to allocate virtqueues dynamically instead of hardcoding the limit. virtio-scsi also allocates virtqueues dynamically. Stefan _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
