From: Chuck Lever chuck.lever@oracle.com
stable inclusion from stable-v6.6.3 commit be739f32a45931c2cfd0f260bb7e11b33a94cd07 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8LBQP
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit 197115ebf358cb440c73e868b2a0a5ef728decc6 upstream.
When an RPC Call message cannot be pulled from the client, that is a message loss, by definition. Close the connection to trigger the client to resend.
Cc: stable@vger.kernel.org Reviewed-by: Tom Talpey tom@talpey.com Signed-off-by: Chuck Lever chuck.lever@oracle.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c index 85c8bcaebb80..3b05f90a3e50 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c @@ -852,7 +852,8 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp) if (ret == -EINVAL) svc_rdma_send_error(rdma_xprt, ctxt, ret); svc_rdma_recv_ctxt_put(rdma_xprt, ctxt); - return ret; + svc_xprt_deferred_close(xprt); + return -ENOTCONN;
out_backchannel: svc_rdma_handle_bc_reply(rqstp, ctxt);