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authorHyunchul Lee <hyc.lee@gmail.com>2022-01-07 14:45:31 +0900
committerSteve French <stfrench@microsoft.com>2022-01-10 12:44:19 -0600
commit4d02c4fdc0e256b493f9a3b604c7ff18f0019f17 (patch)
tree6c79ad2c2fd038e6a1881f375e952480d906288b /fs/ksmbd
parentc9f189271cff85d5d735e25dfa4bc95952ec12d8 (diff)
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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: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/ksmbd')
-rw-r--r--fs/ksmbd/transport_rdma.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c
index f0b17da1cac2..86fd64511512 100644
--- a/fs/ksmbd/transport_rdma.c
+++ b/fs/ksmbd/transport_rdma.c
@@ -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;
@@ -1908,7 +1908,9 @@ static int smb_direct_prepare(struct ksmbd_transport *t)
st->max_send_size = min_t(int, st->max_send_size,
le32_to_cpu(req->max_receive_size));
st->max_fragmented_send_size =
- le32_to_cpu(req->max_fragmented_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: