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Bob Liu authored
Split per ring information to a new structure "blkfront_ring_info". A ring is the representation of a hardware queue, every vbd device can associate with one or more rings depending on how many hardware queues/rings to be used. This patch is a preparation for supporting real multi hardware queues/rings. We also add a backpointer to 'struct blkfront_info' (dev_info) which is not needed (we could use containers_of) but further patch ("xen/blkfront: pseudo support for multi hardware queues/rings") will make allocation of 'blkfront_ring_info' dynamic. Signed-off-by:
Arianna Avanzini <avanzini.arianna@gmail.com> Signed-off-by:
Bob Liu <bob.liu@oracle.com> Signed-off-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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