diff options
| author | Namjae Jeon <linkinjeon@kernel.org> | 2022-01-30 18:28:11 +0900 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2022-02-04 00:12:22 -0600 |
| commit | deae24b0b13ff5f46022124fbfc2c72fc534bc6a (patch) | |
| tree | 143758b148ac49146f55fa53f4e5c85ec5951ead /fs/ksmbd | |
| parent | 04e260948a160d3b7d622bf4c8a96fa4577c09bd (diff) | |
ksmbd: reduce smb direct max read/write size
ksmbd does not support more than one Buffer Descriptor V1 element in
an smbdirect protocol request. Reducing the maximum read/write size to
about 512KB allows interoperability with Windows over a wider variety
of RDMA NICs, as an interim workaround.
Reviewed-by: Tom Talpey <tom@talpey.com>
Signed-off-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.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c index 3c1ec1ac0b27..ba5a22bc2e6d 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 = 1048512; +static int smb_direct_max_read_write_size = 524224; static int smb_direct_max_outstanding_rw_ops = 8; |