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nvme/rdma: track list of outstanding requests

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Change-Id: Ib3cabd3c65a87ffac451e21ac5c786403298c346
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/414882
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
Daniel Verkamp 2018-06-12 12:58:44 -07:00 committed by Jim Harris
parent bc165a2664
commit d65c23b9bb
1 changed files with 4 additions and 0 deletions
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4
lib/nvme/nvme_rdma.c
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@ -112,6 +112,7 @@ struct nvme_rdma_qpair {
struct spdk_nvme_rdma_mr_map *mr_map;
TAILQ_HEAD(, spdk_nvme_rdma_req) free_reqs;
TAILQ_HEAD(, spdk_nvme_rdma_req) outstanding_reqs;
};
struct spdk_nvme_rdma_req {
@ -172,6 +173,7 @@ nvme_rdma_req_get(struct nvme_rdma_qpair *rqpair)
rdma_req = TAILQ_FIRST(&rqpair->free_reqs);
if (rdma_req) {
TAILQ_REMOVE(&rqpair->free_reqs, rdma_req, link);
TAILQ_INSERT_TAIL(&rqpair->outstanding_reqs, rdma_req, link);
}
return rdma_req;
@ -180,6 +182,7 @@ nvme_rdma_req_get(struct nvme_rdma_qpair *rqpair)
static void
nvme_rdma_req_put(struct nvme_rdma_qpair *rqpair, struct spdk_nvme_rdma_req *rdma_req)
{
TAILQ_REMOVE(&rqpair->outstanding_reqs, rdma_req, link);
TAILQ_INSERT_HEAD(&rqpair->free_reqs, rdma_req, link);
}
@ -401,6 +404,7 @@ nvme_rdma_alloc_reqs(struct nvme_rdma_qpair *rqpair)
}
TAILQ_INIT(&rqpair->free_reqs);
TAILQ_INIT(&rqpair->outstanding_reqs);
for (i = 0; i < rqpair->num_entries; i++) {
struct spdk_nvme_rdma_req *rdma_req;
struct spdk_nvme_cmd *cmd;