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

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On 8/26/22 6:48 PM, Jinpu Wang wrote:
On Fri, Aug 26, 2022 at 10:11 AM Guoqing Jiang <guoqing.jiang@xxxxxxxxx> 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(-)

diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
index 3f6c268e04ef..9600715f1029 100644
--- a/drivers/block/rnbd/rnbd-srv.c
+++ b/drivers/block/rnbd/rnbd-srv.c
@@ -368,10 +368,9 @@ static int process_msg_sess_info(struct rnbd_srv_session *srv_sess,
                                  const void *msg, size_t len,
                                  void *data, size_t datalen);

-static int rnbd_srv_rdma_ev(void *priv,
-                           struct rtrs_srv_op *id, int dir,
-                           void *data, size_t datalen, const void *usr,
-                           size_t usrlen)
+static int rnbd_srv_rdma_ev(void *priv, struct rtrs_srv_op *id,
+                           void *data, size_t datalen,
+                           const void *usr, size_t usrlen)
  {
         struct rnbd_srv_session *srv_sess = priv;
         const struct rnbd_msg_hdr *hdr = usr;
@@ -398,7 +397,7 @@ static int rnbd_srv_rdma_ev(void *priv,
                 break;
         default:
                 pr_warn("Received unexpected message type %d with dir %d from session %s\n",
-                       type, dir, srv_sess->sessname);
+                       type, id->dir, srv_sess->sessname);
                 return -EINVAL;
         }

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

  #include <rtrs.h>
+#include <rtrs-srv.h>
why do we need this?

Otherwise, compiler complains

drivers/block/rnbd/rnbd-srv.c: In function ‘rnbd_srv_rdma_ev’:
drivers/block/rnbd/rnbd-srv.c:400:33: error: invalid use of undefined type ‘struct rtrs_srv_op’
  400 |                         type, id->dir, srv_sess->sessname);

Thanks,
Guoqing



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