From: Long Li <lon...@microsoft.com>
In preparation for handling sending SMBD requests, add code to handle the send
completion. In send complemention, the SMBD transport is responsible for
freeing resources used in send.
Signed-off-by: Long Li <lon...@microsoft.com>
---
fs/cifs/cifsrdma.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/fs/cifs/cifsrdma.c b/fs/cifs/cifsrdma.c
index 20237b7..ecbc832 100644
--- a/fs/cifs/cifsrdma.c
+++ b/fs/cifs/cifsrdma.c
@@ -197,6 +197,31 @@ cifs_rdma_qp_async_error_upcall(struct ib_event *event,
void *context)
}
}
+/* Called in softirq, when a RDMA send is donea */
+static void send_done(struct ib_cq *cq, struct ib_wc *wc)
+{
+ int i;
+ struct cifs_rdma_request *request =
+ container_of(wc->wr_cqe, struct cifs_rdma_request, cqe);
+
+ log_rdma_send("cifs_rdma_request %p completed wc->status=%d\n",
+ request, wc->status);
+
+ if (wc->status != IB_WC_SUCCESS || wc->opcode != IB_WC_SEND) {
+ log_rdma_send("wc->status=%d wc->opcode=%d\n",
+ wc->status, wc->opcode);
+ }
+
+ for (i=0; i<request->num_sge; i++)
+ ib_dma_unmap_single(request->info->id->device,
+ request->sge[i].addr,
+ request->sge[i].length,
+ DMA_TO_DEVICE);
+
+ kfree(request->sge);
+ mempool_free(request, request->info->request_mempool);
+}
+
/* Called from softirq, when recv is done */
static void recv_done(struct ib_cq *cq, struct ib_wc *wc)
{
--
2.7.4
