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2018-12-13blk-mq-rdma: pass in queue map to blk_mq_rdma_map_queuesSagi Grimberg1-4/+4
Will be used by nvme-rdma for queue map separation support. Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-11-07blk-mq: abstract out queue mapJens Axboe1-2/+2
This is in preparation for allowing multiple sets of maps per queue, if so desired. Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-08-08block: Add rdma affinity based queue mapping helperSagi Grimberg1-0/+52
Like pci and virtio, we add a rdma helper for affinity spreading. This achieves optimal mq affinity assignments according to the underlying rdma device affinity maps. Reviewed-by: Jens Axboe <axboe@fb.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Doug Ledford <dledford@redhat.com>