From patchwork Fri Oct 14 08:48:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hrutvik Kanabar X-Patchwork-Id: 13006822 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 625D0C43217 for ; Fri, 14 Oct 2022 08:50:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229990AbiJNIuJ (ORCPT ); Fri, 14 Oct 2022 04:50:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229922AbiJNIty (ORCPT ); Fri, 14 Oct 2022 04:49:54 -0400 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 510372793A; Fri, 14 Oct 2022 01:49:52 -0700 (PDT) Received: by mail-wm1-x335.google.com with SMTP id n9so2681111wms.1; Fri, 14 Oct 2022 01:49:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Gi1PiA14Xvf0/+DfXuVtXD45G5BgebCQf9p57BfhR6s=; b=UxT7gVP8q9ze5Ggh2xvvktN6Ml02oBmfbyNFVTxcbcy6qgnZqVwI+fd54u0LJL+LjK y9EfYIAWCha0O2HVLdo55pAxb/IFOyVB4eHwuuXfLb3Q+WnwPgMtjSKPzu2oQKEhgIW1 8w0WFdRg+RSJnOotAcs1Y+eSeMLVjAcWDFJda2lYZblubtGGGkakV9MIfwsDN7apZ3yC Rg00X0lJRAafbj8ZJHp9DjnqhMJlcm3+NYiLzY/y+FmG8gOcaLVVoEvJhhCVshISMbUn 79bKI/g91GDk/8Ucsg8DPhwD6is+bLLgsNqiPgi18MPBUAdCAjxbT3q7n7tlSgWXhmL1 RzAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=Gi1PiA14Xvf0/+DfXuVtXD45G5BgebCQf9p57BfhR6s=; b=Ndm+9e02EkIh90achuXSbJ5Oz39gvrY2P+g9PWS0pkPEAZUSDRXxaZvfu68vFJWtvD k4Cqs7CVRog3bv3EkdFXhLdDTyrqzNKbugAC2rVjujcRHo6l1jn7yx3UTuWfpV2WsDyq VmWuW8YMZ57QSM5DYYLqCnjg5EtWPjMAeIDIZLrWdiIayKRAkuxsgz/amZJdREd04Uw7 f4aTyhdWNQVrY74PnXttlnKRfOj7PLareYj0vnpeoNRdUJ6xWhc0MPHQ6H3MOCfsDGGm Cz4AMRPrLGDOfST/JYIqoW3bE5iXXKdefy/vtpJ4h+zQ11uQKjAEadQ90q/94LX4SEBo z23A== X-Gm-Message-State: ACrzQf0fiECU0BIEkYhgWm8MpfiHLZZwOT1HFtoIj+8Mf93VAjBH+N4k WnmgNldrEaELq/nDtoslTr4= X-Google-Smtp-Source: AMsMyM4fbdkajcL2g53Tyvy1JDbblSDeQm14FaYqXK6zLbEPkMD7/YmebYTcS//ZYjYNy+t3nI8G6Q== X-Received: by 2002:a05:600c:3044:b0:3c4:8af4:ecc5 with SMTP id n4-20020a05600c304400b003c48af4ecc5mr2758757wmh.52.1665737391668; Fri, 14 Oct 2022 01:49:51 -0700 (PDT) Received: from hrutvik.c.googlers.com.com (120.142.205.35.bc.googleusercontent.com. [35.205.142.120]) by smtp.gmail.com with ESMTPSA id 123-20020a1c1981000000b003c6c4639ac6sm1547372wmz.34.2022.10.14.01.49.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 01:49:51 -0700 (PDT) From: Hrutvik Kanabar To: Hrutvik Kanabar Cc: Marco Elver , Aleksandr Nogikh , kasan-dev@googlegroups.com, Alexander Viro , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Theodore Ts'o , Andreas Dilger , linux-ext4@vger.kernel.org, Chris Mason , Josef Bacik , David Sterba , linux-btrfs@vger.kernel.org, Jaegeuk Kim , Chao Yu , linux-f2fs-devel@lists.sourceforge.net, "Darrick J . Wong" , linux-xfs@vger.kernel.org, Namjae Jeon , Sungjong Seo , Anton Altaparmakov , linux-ntfs-dev@lists.sourceforge.net Subject: [PATCH RFC 5/7] fs/xfs: support `DISABLE_FS_CSUM_VERIFICATION` config option Date: Fri, 14 Oct 2022 08:48:35 +0000 Message-Id: <20221014084837.1787196-6-hrkanabar@gmail.com> X-Mailer: git-send-email 2.38.0.413.g74048e4d9e-goog In-Reply-To: <20221014084837.1787196-1-hrkanabar@gmail.com> References: <20221014084837.1787196-1-hrkanabar@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org From: Hrutvik Kanabar When `DISABLE_FS_CSUM_VERIFICATION` is enabled, return truthy value for `xfs_verify_cksum`, which is the key function implementing checksum verification for XFS. Signed-off-by: Hrutvik Kanabar --- fs/xfs/libxfs/xfs_cksum.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_cksum.h b/fs/xfs/libxfs/xfs_cksum.h index 999a290cfd72..ba55b1afa382 100644 --- a/fs/xfs/libxfs/xfs_cksum.h +++ b/fs/xfs/libxfs/xfs_cksum.h @@ -76,7 +76,10 @@ xfs_verify_cksum(char *buffer, size_t length, unsigned long cksum_offset) { uint32_t crc = xfs_start_cksum_safe(buffer, length, cksum_offset); - return *(__le32 *)(buffer + cksum_offset) == xfs_end_cksum(crc); + if (IS_ENABLED(CONFIG_DISABLE_FS_CSUM_VERIFICATION)) + return 1; + else + return *(__le32 *)(buffer + cksum_offset) == xfs_end_cksum(crc); } #endif /* _XFS_CKSUM_H */