ksmbd: reduce server smbdirect max send/receive segment sizes

[ Upstream commit 78af146e109bef5b3c411964141c6f8adbccd3b0 ]

Reduce ksmbd smbdirect max segment send and receive size to 1364
to match protocol norms. Larger buffers are unnecessary and add
significant memory overhead.

Signed-off-by: Tom Talpey <tom@talpey.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c
index ef4891b54447f12bfff7def54abbb50e42926637..652391aee73302c87b53e290a8b894ed75cd1262 100644 (file)
--- a/fs/ksmbd/transport_rdma.c
+++ b/fs/ksmbd/transport_rdma.c
@@ -62,13 +62,13 @@ static int smb_direct_receive_credit_max = 255;
 static int smb_direct_send_credit_target = 255;
 
 /* The maximum single message size can be sent to remote peer */
-static int smb_direct_max_send_size = 8192;
+static int smb_direct_max_send_size = 1364;
 
 /*  The maximum fragmented upper-layer payload receive size supported */
 static int smb_direct_max_fragmented_recv_size = 1024 * 1024;
 
 /*  The maximum single-message size which can be received */
-static int smb_direct_max_receive_size = 8192;
+static int smb_direct_max_receive_size = 1364;
 
 static int smb_direct_max_read_write_size = SMBD_DEFAULT_IOSIZE;