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nvmf/rdma: use SPDK_COUNTOF to count SGL elements

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This clarifies the relation between the values assigned to sg_list and
num_sge (no functional change).

Change-Id: I8e81d47dd97a033b17cd3b813b06e4887127146c
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2017-03-13 15:14:12 -07:00 committed by Ben Walker
parent b0ad3322f0
commit 50947d5557
1 changed files with 4 additions and 3 deletions
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7
lib/nvmf/rdma.c
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@ -52,6 +52,7 @@
#include "spdk/nvmf_spec.h"
#include "spdk/string.h"
#include "spdk/trace.h"
#include "spdk/util.h"
#include "spdk_internal/log.h"
@ -351,7 +352,7 @@ spdk_nvmf_rdma_conn_create(struct rdma_cm_id *id, struct ibv_comp_channel *chann
rdma_req->cmd.wr.wr_id = (uintptr_t)rdma_req;
rdma_req->cmd.wr.sg_list = rdma_req->cmd.sgl;
rdma_req->cmd.wr.num_sge = NVMF_DEFAULT_RX_SGE;
rdma_req->cmd.wr.num_sge = SPDK_COUNTOF(rdma_req->cmd.sgl);
if (nvmf_post_rdma_recv(&rdma_req->req)) {
SPDK_ERRLOG("Unable to post capsule for RDMA RECV\n");
@ -371,14 +372,14 @@ spdk_nvmf_rdma_conn_create(struct rdma_cm_id *id, struct ibv_comp_channel *chann
rdma_req->rsp.wr.opcode = IBV_WR_SEND;
rdma_req->rsp.wr.send_flags = IBV_SEND_SIGNALED;
rdma_req->rsp.wr.sg_list = rdma_req->rsp.sgl;
rdma_req->rsp.wr.num_sge = NVMF_DEFAULT_TX_SGE;
rdma_req->rsp.wr.num_sge = SPDK_COUNTOF(rdma_req->rsp.sgl);
/* Set up memory for data buffers */
rdma_req->data.wr.wr_id = (uint64_t)rdma_req;
rdma_req->data.wr.next = NULL;
rdma_req->data.wr.send_flags = IBV_SEND_SIGNALED;
rdma_req->data.wr.sg_list = rdma_req->data.sgl;
rdma_req->data.wr.num_sge = NVMF_DEFAULT_TX_SGE;
rdma_req->data.wr.num_sge = SPDK_COUNTOF(rdma_req->data.sgl);
}
return rdma_conn;