3272320c73
The previous method for registering I/O queues did not allow the user to specify queue priority for weighted round robin arbitration, and it limited the application to one queue per controller per thread. Change the API to require explicit allocation of each queue for each controller using the new function spdk_nvme_ctrlr_alloc_io_qpair(). Each function that submits a command on an I/O queue now takes an explicit qpair parameter rather than implicitly using the thread-local queue. This also allows the application to allocate different numbers of threads per controller; previously, the number of queues was capped at the smallest value supported by any attached controller. Weighted round robin arbitration is not supported yet; additional changes to the controller startup process are required to enable alternate arbitration methods. Change-Id: Ia33be1050a6953bc5a3cca9284aefcd95b01116e Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com> |
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