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authorChuck Lever <chuck.lever@oracle.com>2020-03-13 15:42:10 +0100
committerChuck Lever <chuck.lever@oracle.com>2020-11-30 19:00:22 +0100
commitded380f10072c924a17be6ac996019ff6472c9d2 (patch)
tree3a8a6dd8c1140fa15972b8bb29f841d3186ac1d5 /net/sunrpc/xprtrdma
parentsvcrdma: Post RDMA Writes while XDR encoding replies (diff)
downloadlinux-ded380f10072c924a17be6ac996019ff6472c9d2.tar.xz
linux-ded380f10072c924a17be6ac996019ff6472c9d2.zip
svcrdma: Clean up svc_rdma_encode_reply_chunk()
Refactor: Match the control flow of svc_rdma_encode_write_list(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc/xprtrdma')
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_rw.c3
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_sendto.c23
2 files changed, 14 insertions, 12 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c
index f2ed1bf50251..e6050230b49f 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_rw.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c
@@ -635,6 +635,9 @@ int svc_rdma_send_reply_chunk(struct svcxprt_rdma *rdma,
struct svc_rdma_write_info *info;
int consumed, ret;
+ if (!rctxt->rc_reply_chunk)
+ return 0;
+
info = svc_rdma_write_info_alloc(rdma, rctxt->rc_reply_chunk);
if (!info)
return -ENOMEM;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index e8b0d030e1e6..922dbe573570 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -504,6 +504,9 @@ svc_rdma_encode_reply_chunk(const struct svc_rdma_recv_ctxt *rctxt,
struct svc_rdma_send_ctxt *sctxt,
unsigned int length)
{
+ if (!rctxt->rc_reply_chunk)
+ return xdr_stream_encode_item_absent(&sctxt->sc_stream);
+
return svc_rdma_encode_write_chunk(rctxt->rc_reply_chunk, sctxt,
length);
}
@@ -898,7 +901,6 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
container_of(xprt, struct svcxprt_rdma, sc_xprt);
struct svc_rdma_recv_ctxt *rctxt = rqstp->rq_xprt_ctxt;
__be32 *rdma_argp = rctxt->rc_recv_buf;
- __be32 *rp_ch = rctxt->rc_reply_chunk;
struct svc_rdma_send_ctxt *sctxt;
__be32 *p;
int ret;
@@ -916,25 +918,22 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
rpcrdma_fixed_maxsz * sizeof(*p));
if (!p)
goto err0;
+
+ ret = svc_rdma_send_reply_chunk(rdma, rctxt, &rqstp->rq_res);
+ if (ret < 0)
+ goto err2;
+
*p++ = *rdma_argp;
*p++ = *(rdma_argp + 1);
*p++ = rdma->sc_fc_credits;
- *p = rp_ch ? rdma_nomsg : rdma_msg;
+ *p = rctxt->rc_reply_chunk ? rdma_nomsg : rdma_msg;
if (svc_rdma_encode_read_list(sctxt) < 0)
goto err0;
if (svc_rdma_encode_write_list(rctxt, sctxt) < 0)
goto err0;
- if (rp_ch) {
- ret = svc_rdma_send_reply_chunk(rdma, rctxt, &rqstp->rq_res);
- if (ret < 0)
- goto err2;
- if (svc_rdma_encode_reply_chunk(rctxt, sctxt, ret) < 0)
- goto err0;
- } else {
- if (xdr_stream_encode_item_absent(&sctxt->sc_stream) < 0)
- goto err0;
- }
+ if (svc_rdma_encode_reply_chunk(rctxt, sctxt, ret) < 0)
+ goto err0;
ret = svc_rdma_send_reply_msg(rdma, sctxt, rctxt, rqstp);
if (ret < 0)