diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-12-02 19:46:24 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-12-04 21:38:18 +0300 |
| commit | f9801a484ad6dcc33b10c61b143efc3352541802 (patch) | |
| tree | 91699c9d5e4aee33d430be139dfa5b2e6b5d754a | |
| parent | 3a7afd8ee42a68d4f24ab9c947a4ef82d4d52375 (diff) | |
| download | linux-f9801a484ad6dcc33b10c61b143efc3352541802.tar.xz | |
nvme-rdma: remove I/O polling support
The code was always a bit of a hack that digs far too much into
RDMA core internals. Lets kick it out and reimplement proper
dedicated poll queues as needed.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/nvme/host/rdma.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 3ca096c1a506..75c01d20a133 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1738,29 +1738,6 @@ err: return BLK_STS_IOERR; } -static int nvme_rdma_poll(struct blk_mq_hw_ctx *hctx) -{ - struct nvme_rdma_queue *queue = hctx->driver_data; - struct ib_cq *cq = queue->ib_cq; - struct ib_wc wc; - int found = 0; - - while (ib_poll_cq(cq, 1, &wc) > 0) { - struct ib_cqe *cqe = wc.wr_cqe; - - if (cqe) { - if (cqe->done == nvme_rdma_recv_done) { - nvme_rdma_recv_done(cq, &wc); - found++; - } else { - cqe->done(cq, &wc); - } - } - } - - return found; -} - static void nvme_rdma_complete_rq(struct request *rq) { struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq); @@ -1782,7 +1759,6 @@ static const struct blk_mq_ops nvme_rdma_mq_ops = { .init_request = nvme_rdma_init_request, .exit_request = nvme_rdma_exit_request, .init_hctx = nvme_rdma_init_hctx, - .poll = nvme_rdma_poll, .timeout = nvme_rdma_timeout, .map_queues = nvme_rdma_map_queues, }; |