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| author | Chuck Lever <chuck.lever@oracle.com> | 2017-04-09 20:05:44 +0300 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2017-04-26 00:25:54 +0300 |
| commit | 6e6092ca305ad785c605d7e313727aad96c228a5 (patch) | |
| tree | 51741ddf7ed22ce3a922c356dc54041b62026994 /include/linux | |
| parent | 17f5f7f506aaca985b95df7ef7fc2ff49c36a8e9 (diff) | |
| download | linux-6e6092ca305ad785c605d7e313727aad96c228a5.tar.xz | |
svcrdma: Add svc_rdma_map_reply_hdr()
Introduce a helper to DMA-map a reply's transport header before
sending it. This will in part replace the map vector cache.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/sunrpc/svc_rdma.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 287db5c179d8..002a46d1faa1 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -228,6 +228,9 @@ extern int rdma_read_chunk_frmr(struct svcxprt_rdma *, struct svc_rqst *, /* svc_rdma_sendto.c */ extern int svc_rdma_map_xdr(struct svcxprt_rdma *, struct xdr_buf *, struct svc_rdma_req_map *, bool); +extern int svc_rdma_map_reply_hdr(struct svcxprt_rdma *rdma, + struct svc_rdma_op_ctxt *ctxt, + __be32 *rdma_resp, unsigned int len); extern int svc_rdma_post_send_wr(struct svcxprt_rdma *rdma, struct svc_rdma_op_ctxt *ctxt, int num_sge, u32 inv_rkey); |