From mboxrd@z Thu Jan 1 00:00:00 1970 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 DD6C52D7DD4; Sun, 1 Mar 2026 01:37:26 +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=1772329046; cv=none; b=WcWM3+bLBPsNXw4NnXZPXRYBpm+IfYw6MsLB+C5ZrqrfRFDABFxbS0aNwE8sF9I3yeeLrDPhutURJKwKhDltOOUz6jKJMn6q55pneyWBwKMf8aNn2hbrzbOqY3rYl20wXtYqdpZiqDHYoGMof0n3qCp695xvHEkS22dxdxkAT3k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772329046; c=relaxed/simple; bh=Vvws0cFwNqQWjasmpi6GBWSORSaui/ndCS1BV4WB/o0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=E8SxMFQwF+FOSdwFE10MToEXbBjaGX9ag1aNvWtcZrppGf11p8cgDYf3XHfH6irf5WGqR0fPhiUWmE51tTA66MeEj+5aYpqfEVcuzm/2eEbMc72Gxy2pzcJKNgEeMJYfWQqMx//4oOfwhbVGnKX4soklIRhhBUCp2upuANq3ToY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TsSEz3nO; 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="TsSEz3nO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D374FC19421; Sun, 1 Mar 2026 01:37:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772329046; bh=Vvws0cFwNqQWjasmpi6GBWSORSaui/ndCS1BV4WB/o0=; h=From:To:Cc:Subject:Date:From; b=TsSEz3nO1rBIM+xI5u6VJaE3GABkW56YwDjcZzqyn8W9BaCJ7yN18wzWZbpGY0IAi zEJaykb2FJ7ZvvABOnP8WsPZAupdC4qKFNd2roodkL8Ji5FOkDHjhnkr9u+hrolnRp JjnCmo4pZJflw/ETJhAkJpcrOVT9MAto08ABCFx/oPXpNV9c3GLXui7VL15tK14mL3 LOXcksuE79WiCQs+NHs7dOx7/DahaBqj0Q9R4Owptfwp3HKzLNGwmndA8THIJkhpOg T7Zq1rkqoIIialAmhvqQeDk19FEJuzQpyA1g8MLcLHnqkVTIg83s1QZCX0Jwfelutz 1bAkelcRvr+9w== From: Sasha Levin To: stable@vger.kernel.org, metze@samba.org Cc: Steve French , Tom Talpey , Long Li , Namjae Jeon , linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, Steve French Subject: FAILED: Patch "smb: client: remove pointless sc->recv_io.credits.count rollback" failed to apply to 6.6-stable tree Date: Sat, 28 Feb 2026 20:37:24 -0500 Message-ID: <20260301013724.1697632-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From 6858531e5e8d68828eec349989cefce3f45a487f Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Thu, 22 Jan 2026 18:16:51 +0100 Subject: [PATCH] smb: client: remove pointless sc->recv_io.credits.count rollback We either reach this code path before we call new_credits = manage_credits_prior_sending(sc), which means new_credits is still 0 or the connection is already broken as smbd_post_send() already called smbd_disconnect_rdma_connection(). This will also simplify further changes. Cc: # 6.18.x Cc: Steve French Cc: Tom Talpey Cc: Long Li Cc: Namjae Jeon Cc: linux-cifs@vger.kernel.org Cc: samba-technical@lists.samba.org Signed-off-by: Stefan Metzmacher Signed-off-by: Steve French --- fs/smb/client/smbdirect.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/fs/smb/client/smbdirect.c b/fs/smb/client/smbdirect.c index f2ae35a9f047f..c9fcd35e0c77a 100644 --- a/fs/smb/client/smbdirect.c +++ b/fs/smb/client/smbdirect.c @@ -1288,9 +1288,6 @@ static int smbd_post_send_iter(struct smbdirect_socket *sc, DMA_TO_DEVICE); mempool_free(request, sc->send_io.mem.pool); - /* roll back the granted receive credits */ - atomic_sub(new_credits, &sc->recv_io.credits.count); - err_alloc: atomic_inc(&sc->send_io.credits.count); wake_up(&sc->send_io.credits.wait_queue); -- 2.51.0