From nobody Sun Oct 5 00:09:25 2025 Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 41CF42E8DF1; Tue, 12 Aug 2025 09:15:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754990156; cv=none; b=cPQhM7SzUDFBKwT/q3zweC69tgZECS3FoPXEeyC0IZ5Vq8akq/dHrlkL+U/sXQYi9GAR6UdK57LLXX4zwUvuhiHe2IqdfsbI1w5qDs2O2UCMRbvrmbpH/3XhSxd2aLQ3plrWFcN+4Ouy7lgmsMQ6xBsI488414ozGdLFOfcvJGE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754990156; c=relaxed/simple; bh=nbmHvENF6wiVd4LFNsW3/Myx/TXvx5lSSh9ejpw6OMc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eaeniAW3mH8xS2+9I2YvNPK2JwLHuxPZe5VuVntseEXxMdc+SSolQ8H5qWUBoAJR8Vj+DogSQ5W5eTiPPaqm7tWMo6gXO59u2NZdMKT3jY1GiDWWDUadoZ3rt+ZtiGBZpogWIaxa/VwTVNRrwWP9kz062jMJa4R3xx3Guie7G7Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=PGGF1bdP; arc=none smtp.client-ip=209.85.214.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PGGF1bdP" Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-2405c0c431cso49236845ad.1; Tue, 12 Aug 2025 02:15:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1754990154; x=1755594954; darn=vger.kernel.org; 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=jP93xN6gwLHr70Ds3prjvKvRcobCNOyB/BNk5HT+4PY=; b=PGGF1bdPOnIvlUxs/qaNXSCDSL+uPzCVLOXezapGuPPX9VLuU4AjYEpElTSA+f1F81 NI3A6HzHZBbfeYbCXE9+AbM+yi5wER3eGXW15N0WWBge6hpm9Hib4vcJGhUUWvTC+pu3 EK5efadtaiuYBQeLGXiuefKvbORt6DSHxRhNS3yth2hWzdw8jlIbwiJOlDDzjLUEE/0j RDYP3H+DGceZ846/ahugpfXUd9YJxidNQsUl1x7iseCSJv4FKT38YK2w1O/VHlmrg89P DlC132f9uPm//IcADJV00zzoMiuinWg68OXyzMloRt1tEyXdl4zmfyeAwqNHQ7NUzTpo qE8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754990154; x=1755594954; 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=jP93xN6gwLHr70Ds3prjvKvRcobCNOyB/BNk5HT+4PY=; b=tOHjB6DwctL2t7LevjDSC7WhWVBkvKpPrYm0xttoO26uON6Upy8yPIEnEM0AWkq43B t11J2xio1Tjyv1TYO4SmgR/nOIMpYPT77eijOgSwZqPjafyOJLh7LbgUB4jUSSOeSww9 djVNocWgyjVbr4MqvwMVqQNExXbgHUBV28Fgy0+WLOCOOE4ElkoqGPFtErb8uEIaTQQt bfqgW9FhyyLrQZox2ZydgY/1vK1bMdoRvWP5iKfBK0MfrOHIMtcB2psEi94oDl8QpGKE HlrsU/7Wm1vLXvp7gfOrbNV2LI70jEdCAF5a1y6TnDRP8fkiiw61CqZfsnl3PCEczsKL swWw== X-Forwarded-Encrypted: i=1; AJvYcCXKOz1Ioc95tgpWSGB6xJ8Dwh8enK3W3Sr8ZK0vBOCVRX7V5tSo9U0MLvfvIy280K8fdfQxP7kHaMNTUIKH@vger.kernel.org, AJvYcCXObuh1GiOKlshFlwmenridLwd4m1qo+AZqkkpbA6dQPPBdmdyQTtEnVZscpPzNrRyYe/DPtTa7jyDRyjIG@vger.kernel.org X-Gm-Message-State: AOJu0Yzrfsn7ljYhVZTPDWo5CcjP/za4xg6dNl9SMwv51c1rAUA2jtLu pZej8kNcsPUwSO9gKBZZL+e2aGXVcpxCm/Wo5RJqHLGQSdEm2cN3axqJ8OasdncW X-Gm-Gg: ASbGncuBfT2m6imuwgH7UixJv+RB9m8TCayfj/qzAigswNSpzuwtiURl9Od2Lx9eBAU Y7iELdGBEWB+/BtwHzYnwQFu+EAt5YkaqtbliI39ZycSwfJtjrzBjr8BWio/m8gkZb6FGcQGXUe QthFLXQYDqAgWKdV/2XL2dHAc9ldRad/6y465mEnSB2ygal9F0ErLDodgDcdpOGamfxIRzDrTnf Xm65mQt82+e+wspBg1u+YTV6fzYDTLCodAE8RouzLe10NFiGyS4+XurLtY68hmQA127zFx8LSoz 5+TwewWZdOcAsGLmeJaNcuX/HNfGEXuqoSCnh5H6kXFOZctPDT1dk0985wmiyJvkWrt0XA4lc3A zgP/d3iZ+TlTYxIU/B3GPMKlac36swC40qgY= X-Google-Smtp-Source: AGHT+IEPQ+MKj6cZsUrHYGttStupeCXS5R6YtXNdkNDqh1mPp1qU+hlOHYrAr4LCph2p99TUoFrk9A== X-Received: by 2002:a17:903:2342:b0:242:b03f:8b24 with SMTP id d9443c01a7336-242fc1fcfc8mr44592995ad.2.1754990154380; Tue, 12 Aug 2025 02:15:54 -0700 (PDT) Received: from VM-16-24-fedora.. ([43.153.32.141]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-241d1f1efe8sm291670665ad.69.2025.08.12.02.15.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Aug 2025 02:15:54 -0700 (PDT) From: alexjlzheng@gmail.com X-Google-Original-From: alexjlzheng@tencent.com To: brauner@kernel.org, djwong@kernel.org Cc: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, yi.zhang@huawei.com, Jinliang Zheng Subject: [PATCH v3 1/4] iomap: make sure iomap_adjust_read_range() are aligned with block_size Date: Tue, 12 Aug 2025 17:15:35 +0800 Message-ID: <20250812091538.2004295-2-alexjlzheng@tencent.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250812091538.2004295-1-alexjlzheng@tencent.com> References: <20250812091538.2004295-1-alexjlzheng@tencent.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Jinliang Zheng iomap_folio_state marks the uptodate state in units of block_size, so it is better to check that pos and length are aligned with block_size. Signed-off-by: Jinliang Zheng --- fs/iomap/buffered-io.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index fd827398afd2..0c38333933c6 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -234,6 +234,9 @@ static void iomap_adjust_read_range(struct inode *inode= , struct folio *folio, unsigned first =3D poff >> block_bits; unsigned last =3D (poff + plen - 1) >> block_bits; =20 + WARN_ON(*pos & (block_size - 1)); + WARN_ON(length & (block_size - 1)); + /* * If the block size is smaller than the page size, we need to check the * per-block uptodate status and adjust the offset and length if needed --=20 2.49.0