From nobody Tue Feb 10 05:25:53 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E5F0C77B7A for ; Sat, 20 May 2023 18:41:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232079AbjETSl1 (ORCPT ); Sat, 20 May 2023 14:41:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60838 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231497AbjETSlV (ORCPT ); Sat, 20 May 2023 14:41:21 -0400 Received: from smtp-relay-internal-1.canonical.com (smtp-relay-internal-1.canonical.com [185.125.188.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76109C5 for ; Sat, 20 May 2023 11:41:20 -0700 (PDT) Received: from mail-ej1-f70.google.com (mail-ej1-f70.google.com [209.85.218.70]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-1.canonical.com (Postfix) with ESMTPS id 2651E3F2EC for ; Sat, 20 May 2023 18:41:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1684608079; bh=7AI0vj2c5KjlogOZSOLiFXVCyd1H7zjU9pr3GTen1KY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=lfhPTABWXMm0M9QNxz+/HOYxEo1u4P33YiDMYkDXS0l97vSvEl47OQy9++FwNGMar Io+vcxclfmPPHirbNN9diyZ6aDmHrfhPv5or27s9ZnRSRNDOjQ1iA9weoXgvsQdixq h/xs8bUAoNYfgp/A5r+YiU7IkVehQ4vk91r11z9hNqUP1yh8yJhmm2+LmxhKktbQE6 YV0OZW6wOO/xtU67J36w7rAQgDJMzrS2iFA9p4T1G1GEKHzaqc/5efsWGfwPCkR2PD suVGHU7mmg+C9/0qOSdokP8PCfQD1LgDLTNQ8dlz+6WBbuz6Uj5/Jqw6ZE9VLjQeOE 3mpgOkRmpOXzg== Received: by mail-ej1-f70.google.com with SMTP id a640c23a62f3a-96f6e83685eso196393966b.1 for ; Sat, 20 May 2023 11:41:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684608078; x=1687200078; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=7AI0vj2c5KjlogOZSOLiFXVCyd1H7zjU9pr3GTen1KY=; b=jx4Ag/GeVq8jMh7M/VBOkV46mDtWf8aQLKVCwsbHHbdCNzPa4EIazUKrvOM2UblusD xFG/tzCPOq2lrhVivPE8kUEuAmclYPjUXfyPKfD/vTTPK1Z8/7C35xmoyD/w02EIVqgl ZP+ZAXqA6oc+kGM2l/FLMhaePhHICvBtP5xhFon3DtedNk9dxhrgtQajPft54sCfq3jU Y7i8SrvHEMVG8TqM90ORVK7kvWoF67Jt1JWCfmyf8t4zihgR+Wzor1F1k562VHbxNaVB +d+oQEiQDJFiINTbKNq63HFP5ebUdplYvMbo6hdpl9NMxD/ds9PcyHoxacbmO7LGehOJ rLVg== X-Gm-Message-State: AC+VfDwEHx/oeux9lfp50CU4Jo7TISBFRIBHIKl2+HcSI3U8V0wdMj2x txjy+iEGBkiU61471p66oN3W1MEILqEx0WzGpFc83//vVzcCYqfHjPx4RmmDieBC5bcwEzn4RsX /q52ptGUbnPexMaGrnXX0D7ybebczWjOzIVfj1eGjbw== X-Received: by 2002:a17:907:628f:b0:961:b0:3dfd with SMTP id nd15-20020a170907628f00b0096100b03dfdmr5768128ejc.7.1684608078662; Sat, 20 May 2023 11:41:18 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ7bU8KiThmUSU1gkKkVsLgEdjohmQGXC442Dp0W428jbmv6EizvNqpf3UWtdJVTxqXZWABedg== X-Received: by 2002:a17:907:628f:b0:961:b0:3dfd with SMTP id nd15-20020a170907628f00b0096100b03dfdmr5768105ejc.7.1684608078291; Sat, 20 May 2023 11:41:18 -0700 (PDT) Received: from righiandr-XPS-13-7390.homenet.telecomitalia.it (host-87-10-127-160.retail.telecomitalia.it. [87.10.127.160]) by smtp.gmail.com with ESMTPSA id x6-20020a1709065ac600b009663115c8f8sm1046294ejs.152.2023.05.20.11.41.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 May 2023 11:41:18 -0700 (PDT) From: Andrea Righi To: Miklos Szeredi Cc: Amir Goldstein , linux-unionfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] ovl: Kconfig: introduce CONFIG_OVERLAY_FS_DEBUG Date: Sat, 20 May 2023 20:41:13 +0200 Message-Id: <20230520184114.77725-2-andrea.righi@canonical.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230520184114.77725-1-andrea.righi@canonical.com> References: <20230520184114.77725-1-andrea.righi@canonical.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Provide a Kconfig option to enable extra debugging checks for overlayfs. Signed-off-by: Andrea Righi Reviewed-by: Amir Goldstein --- fs/overlayfs/Kconfig | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/overlayfs/Kconfig b/fs/overlayfs/Kconfig index 6708e54b0e30..fec5020c3495 100644 --- a/fs/overlayfs/Kconfig +++ b/fs/overlayfs/Kconfig @@ -124,3 +124,12 @@ config OVERLAY_FS_METACOPY that doesn't support this feature will have unexpected results. =20 If unsure, say N. + +config OVERLAY_FS_DEBUG + bool "Overlayfs: turn on extra debugging checks" + default n + depends on OVERLAY_FS + help + Say Y here to enable extra debugging checks in overlayfs. + + If unsure, say N. --=20 2.39.2