block: Add rdma affinity based queue mapping helper

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 <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Max Gurtovoy <[email protected]>
Signed-off-by: Sagi Grimberg <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Sagi Grimberg 2017-07-13 11:09:43 +03:00 • committed by Doug Ledford
commit 24c5dc6610
4 changed files with 68 additions and 0 deletions

View file

@ -206,4 +206,9 @@ config BLK_MQ_VIRTIO
depends on BLOCK && VIRTIO
default y
config BLK_MQ_RDMA
bool
depends on BLOCK && INFINIBAND
default y
source block/Kconfig.iosched