From nobody Mon Feb 9 19:55:41 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2E4603246F9 for ; Thu, 5 Feb 2026 07:40:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770277205; cv=none; b=O5Q3qCQ7el8AxoyJAm4xJRH7MTSxN2ltJy0+JDTxKEU3wNRI1jrBE7o34Q8UmZMBm5oWaokM0TWt1eYRDlZZTkvRNpQ7DHCGmgIDpfzRONxfppHUgoblnfcXqgn4kDkiv5DEq05j9nH1cSvIbahh3A+JGNdUL80WZyW8rEU0U/Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770277205; c=relaxed/simple; bh=g3C3VzbQg5gqcwKrVuykNju7GfOmlWIOSjMlcI0FlKQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=s0DHWsqLZ50D3WSOHzE+2jMdlYfG/SzYHR/N561Y1kAZnuC+DBAB5pwOmFJ0kL/SGOqnMMJddUvSJAqdOHIBK0lHRZLeJNRCKX7D8kzs13YgR3IIPPjnYF7Cgzs9/51V3bUr+GkQS8ZJ1fP0iFk1I5ye8UHUEBwqdgZAGxzQJS4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gvY4Oi7u; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gvY4Oi7u" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A9541C4CEF7; Thu, 5 Feb 2026 07:40:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770277204; bh=g3C3VzbQg5gqcwKrVuykNju7GfOmlWIOSjMlcI0FlKQ=; h=From:To:Cc:Subject:Date:From; b=gvY4Oi7uQ3n/E9qQF3RikP5bAYL9ocMQkZm/L1E3v3ADqHP2UmtrtP17KTTIGQZOl onddPi5YpI3RBZ7ZklNfmFUts8FkLvc9JrMjcR4wzDiEJ+SdvKOQUnJFN6FXv6mK2k NbRIwaRrX7lfN4EySiqtUsFTvj562UaNvP7NaLZB3xorq49ZwE4C4C4UViI3czNg0C 1psbcxSg/fhXYOrcg9MPeIaTqeUeNQg93hSwXWNLbfmcwGj7REqn1uBLh89QYdCqNd V0BUjee9b+gh7PA3P7lOeWHah4amXCHUVj61LX1R/fzLwyG6//kZhWa8kb27F9vwC2 leEoMme0y0NvQ== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next] Squash to "mptcp: allow overridden write_space to be invoked" Date: Thu, 5 Feb 2026 15:39:54 +0800 Message-ID: X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Geliang Tang The default value of sk->sk_write_space is sock_def_write_space, which causes the original patch to change the behavior. For MPTCP sockets, sk->sk_write_space should be set to sk_stream_write_space here. Signed-off-by: Geliang Tang --- net/mptcp/protocol.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index c88882062c40..f58df4651b12 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -3065,6 +3065,7 @@ static int mptcp_init_sock(struct sock *sk) sk_sockets_allocated_inc(sk); sk->sk_rcvbuf =3D READ_ONCE(net->ipv4.sysctl_tcp_rmem[1]); sk->sk_sndbuf =3D READ_ONCE(net->ipv4.sysctl_tcp_wmem[1]); + sk->sk_write_space =3D sk_stream_write_space; =20 return 0; } --=20 2.52.0