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authorTom Talpey <tom@talpey.com>2022-09-23 21:53:58 +0000
committerSteve French <stfrench@microsoft.com>2022-10-05 01:15:44 -0500
commit78af146e109bef5b3c411964141c6f8adbccd3b0 (patch)
tree9bedb7d94eb5eba657f32579af21f642de5eb66b /fs/ksmbd
parent2b4eeeaa90617c5e37da7c804c422b4e833b87b2 (diff)
ksmbd: reduce server smbdirect max send/receive segment sizes
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>
Diffstat (limited to 'fs/ksmbd')
-rw-r--r--fs/ksmbd/transport_rdma.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c
index 494b8e5af4b3..0315bca3d53b 100644
--- 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;