ksmbd: reduce server smbdirect max send/receive segment sizes
authorTom Talpey <tom@talpey.com>
Fri, 23 Sep 2022 21:53:58 +0000 (21:53 +0000)
committerSteve French <stfrench@microsoft.com>
Wed, 5 Oct 2022 06:15:44 +0000 (01:15 -0500)
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>
fs/ksmbd/transport_rdma.c

index 494b8e5..0315bca 100644 (file)
@@ -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;