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authorChuck Lever <chuck.lever@oracle.com>2020-03-25 21:41:46 +0300
committerChuck Lever <chuck.lever@oracle.com>2020-07-14 00:28:24 +0300
commitc65b326b1eb983bca35ed43d0e453d1b15705f10 (patch)
tree7ef6a705cd2bbfcecd96e066f0d3370af592d9ec /net/sunrpc
parent605c61bee5b13bc9d597192779865a1a707166ed (diff)
downloadlinux-c65b326b1eb983bca35ed43d0e453d1b15705f10.tar.xz
svcrdma: Make svc_rdma_send_error_msg() a global function
Prepare for svc_rdma_send_error_msg() to be invoked from another source file. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_sendto.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index fb548b548c4b..57041298fe4f 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -804,16 +804,25 @@ static int svc_rdma_send_reply_msg(struct svcxprt_rdma *rdma,
return svc_rdma_send(rdma, &sctxt->sc_send_wr);
}
-/* Given the client-provided Write and Reply chunks, the server was not
- * able to form a complete reply. Return an RDMA_ERROR message so the
- * client can retire this RPC transaction.
- *
- * Remote Invalidation is skipped for simplicity.
+/**
+ * svc_rdma_send_error_msg - Send an RPC/RDMA v1 error response
+ * @rdma: controlling transport context
+ * @sctxt: Send context for the response
+ * @rctxt: Receive context for incoming bad message
+ * @status: negative errno indicating error that occurred
+ *
+ * Given the client-provided Read, Write, and Reply chunks, the
+ * server was not able to parse the Call or form a complete Reply.
+ * Return an RDMA_ERROR message so the client can retire the RPC
+ * transaction.
+ *
+ * The caller does not have to release @sctxt. It is released by
+ * Send completion, or by this function on error.
*/
-static void svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
- struct svc_rdma_send_ctxt *sctxt,
- struct svc_rdma_recv_ctxt *rctxt,
- int status)
+void svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
+ struct svc_rdma_send_ctxt *sctxt,
+ struct svc_rdma_recv_ctxt *rctxt,
+ int status)
{
__be32 *rdma_argp = rctxt->rc_recv_buf;
__be32 *p;
@@ -852,6 +861,7 @@ static void svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
trace_svcrdma_err_chunk(*rdma_argp);
}
+ /* Remote Invalidation is skipped for simplicity. */
sctxt->sc_send_wr.num_sge = 1;
sctxt->sc_send_wr.opcode = IB_WR_SEND;
sctxt->sc_sges[0].length = sctxt->sc_hdrbuf.len;