Re: [PATCH] rnbd-srv: remove 'dir' argument from rnbd_srv_rdma_ev

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On 8/29/22 3:44 PM, Leon Romanovsky wrote:
On Fri, Aug 26, 2022 at 04:11:17PM +0800, Guoqing Jiang wrote:
Since all callers (process_{read,write}) set id->dir, no need to
pass 'dir' again.

Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxx>
---
  drivers/block/rnbd/rnbd-srv.c          | 9 ++++-----
  drivers/block/rnbd/rnbd-srv.h          | 1 +
  drivers/infiniband/ulp/rtrs/rtrs-srv.c | 4 ++--
  drivers/infiniband/ulp/rtrs/rtrs.h     | 3 +--
  4 files changed, 8 insertions(+), 9 deletions(-)

I applied the patch and cleanup of rtrs-srv.h can be done later.

Thanks! I suppose below

So decouple it from rtrs-srv.h and hide everything that not-needed to be
exported to separate header file.

means move 'struct rtrs_srv_op' to rtrs.h, which seems not appropriate to me
because both client and server include the header. Pls correct me if I am wrong.

Since process_{read,write} prints direction info if ctx->ops.rdma_ev fails, how
about remove the 'dir' info from rnbd_srv_rdma_ev? Then we  don't need to
include rtrs-srv.h.

diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
index 431c6da19d3f..d07ff3ba560c 100644
--- a/drivers/block/rnbd/rnbd-srv.c
+++ b/drivers/block/rnbd/rnbd-srv.c
@@ -387,8 +387,8 @@ static int rnbd_srv_rdma_ev(void *priv, struct rtrs_srv_op *id,
                                            datalen);
                break;
        default:
-               pr_warn("Received unexpected message type %d with dir %d from session %s\n",
-                       type, id->dir, srv_sess->sessname);
+               pr_warn("Received unexpected message type %d from session %s\n",
+                       type, srv_sess->sessname);
                return -EINVAL;
        }

diff --git a/drivers/block/rnbd/rnbd-srv.h b/drivers/block/rnbd/rnbd-srv.h
index 5a0ef6c2b5c7..081bceaf4ae9 100644
--- a/drivers/block/rnbd/rnbd-srv.h
+++ b/drivers/block/rnbd/rnbd-srv.h
@@ -14,7 +14,6 @@
 #include <linux/kref.h>

 #include <rtrs.h>
-#include <rtrs-srv.h>
 #include "rnbd-proto.h"
 #include "rnbd-log.h"


Thoughts?

Thanks,
Guoqing



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