[RFC PATCH 2/4] smb: server: initialize recv_io->cqe.done = recv_done just once

[Stefan Metzmacher]

smbdirect_recv_io structures are pre-allocated so we can set the
callback function just once.

This will make it easy to move smb_direct_post_recv to common code
soon.

Cc: Namjae Jeon <linkinjeon at kernel.org>
Cc: Steve French <smfrench at gmail.com>
Cc: Tom Talpey <tom at talpey.com>
Cc: linux-cifs at vger.kernel.org
Cc: samba-technical at lists.samba.org
Signed-off-by: Stefan Metzmacher <metze at samba.org>
Signed-off-by: Steve French <stfrench at microsoft.com>
---
 fs/smb/server/transport_rdma.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/smb/server/transport_rdma.c b/fs/smb/server/transport_rdma.c
index 4e7ab8d9314f..222d1b5365e8 100644
--- a/fs/smb/server/transport_rdma.c
+++ b/fs/smb/server/transport_rdma.c
@@ -758,7 +758,6 @@ static int smb_direct_post_recv(struct smbdirect_socket *sc,
 		return ret;
 	recvmsg->sge.length = sp->max_recv_size;
 	recvmsg->sge.lkey = sc->ib.pd->local_dma_lkey;
-	recvmsg->cqe.done = recv_done;
 
 	wr.wr_cqe = &recvmsg->cqe;
 	wr.next = NULL;
@@ -2339,6 +2338,7 @@ static int smb_direct_prepare(struct ksmbd_transport *t)
 
 static int smb_direct_connect(struct smbdirect_socket *sc)
 {
+	struct smbdirect_recv_io *recv_io;
 	int ret;
 
 	ret = smb_direct_init_params(sc);
@@ -2353,6 +2353,9 @@ static int smb_direct_connect(struct smbdirect_socket *sc)
 		return ret;
 	}
 
+	list_for_each_entry(recv_io, &sc->recv_io.free.list, list)
+		recv_io->cqe.done = recv_done;
+
 	ret = smb_direct_create_qpair(sc);
 	if (ret) {
 		pr_err("Can't accept RDMA client: %d\n", ret);
-- 
2.43.0