Commit c65b326b authored by Chuck Lever's avatar Chuck Lever

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: default avatarChuck Lever <chuck.lever@oracle.com>
parent 605c61be
......@@ -195,6 +195,10 @@ extern int svc_rdma_map_reply_msg(struct svcxprt_rdma *rdma,
struct svc_rdma_send_ctxt *sctxt,
const struct svc_rdma_recv_ctxt *rctxt,
struct xdr_buf *xdr);
extern void svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
struct svc_rdma_send_ctxt *sctxt,
struct svc_rdma_recv_ctxt *rctxt,
int status);
extern int svc_rdma_sendto(struct svc_rqst *);
extern int svc_rdma_read_payload(struct svc_rqst *rqstp, unsigned int offset,
unsigned int length);
......
......@@ -804,13 +804,22 @@ 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,
void svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
struct svc_rdma_send_ctxt *sctxt,
struct svc_rdma_recv_ctxt *rctxt,
int status)
......@@ -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;
......
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