Commit 4d02c4fd authored by Hyunchul Lee's avatar Hyunchul Lee Committed by Steve French
Browse files

ksmbd: smbd: change the default maximum read/write, receive size 



Due to restriction that cannot handle multiple
buffer descriptor structures, decrease the maximum
read/write size for Windows clients.

And set the maximum fragmented receive size
in consideration of the receive queue size.

Acked-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
Signed-off-by: default avatarHyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent c9f18927

fs/ksmbd/transport_rdma.c

+4 −2
Original line number Diff line number Diff line
@@ -80,7 +80,7 @@ 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_read_write_size = 1024 * 1024;

static int smb_direct_max_read_write_size = 1048512;



static int smb_direct_max_outstanding_rw_ops = 8;
@@ -1909,6 +1909,8 @@ static int smb_direct_prepare(struct ksmbd_transport *t) 
				  le32_to_cpu(req->max_receive_size));

	st->max_fragmented_send_size =

		le32_to_cpu(req->max_fragmented_size);

	st->max_fragmented_recv_size =

		(st->recv_credit_max * st->max_recv_size) / 2;



	ret = smb_direct_send_negotiate_response(st, ret);

out: