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linux-sg2042/include/linux/blk-mq-rdma.h

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block: add a SPDX tag to blk-mq-rdma.h This file has no copyright notice, but was added as part of a commit adding another file using the default kernel GPLv2 license. Add a matching SPDX tag. Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-05-01 02:42:42 +08:00
/* SPDX-License-Identifier: GPL-2.0 */
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 <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>
2017-07-13 16:09:43 +08:00
#ifndef _LINUX_BLK_MQ_RDMA_H
#define _LINUX_BLK_MQ_RDMA_H
struct blk_mq_tag_set;
struct ib_device;
blk-mq-rdma: pass in queue map to blk_mq_rdma_map_queues 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>
2018-12-12 15:38:54 +08:00
int blk_mq_rdma_map_queues(struct blk_mq_queue_map *map,
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 <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>
2017-07-13 16:09:43 +08:00
struct ib_device *dev, int first_vec);
#endif /* _LINUX_BLK_MQ_RDMA_H */