From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) (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 8525E1FF5E3; Thu, 2 Jul 2026 02:42:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782960170; cv=none; b=Oqu5ePxlwZ3IatDO3DWc2RpHZ7y9qcH2Vx/sFfMduC9CDrXTc0VEinYVBrNas4iJCZznLfFNahjJmrqu/aJgNYkX9yKDxwycXS6BBLtrNz5n8gN+3cLvtPLVUrE8qu48ThtrDpVgMQ0fMlbDe3zdNpj+zNt9/TVRzut4+ZqLE8A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782960170; c=relaxed/simple; bh=mZx85SmqurJw5XpRcNyNyJ0HFKrbxPsiHTk5jJ/Y/XE=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=J6lVZJUwHE2ojJj6trPFK4Fjn8aLR5nYpeOIvkB1axMruO2SVvK+dzIBSo8L6gYZFTgGxNhyvxlycTNn5rRlqQcALyGH72puKHjtDvaKfBs43Mogvd9ZSSGIXiD2Sj3Y7yvvIygZTO13cqtvgDMkazZWcM6xspAiGqL+YmBQYUM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=ZRtM7fa0; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="ZRtM7fa0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Message-ID:Date:MIME-Version:Subject:From:To: Content-Type; bh=6Pn4pf6f5s+K9mk+WFRvSch9mSawLEvD0kBg3n7MWcA=; b=ZRtM7fa0jhc/T2xn1mO349xz/fT2mmi8ZuhfP1nNfAi1a7Ifa6kG6MpYiuZxvM +sxLIipVkb8yf87VYafUSxe4qT2rwqFxvoEBunEV/8DbTpGbV8EcjOL4ZG4pxAUh ASxFbZqte2kxtSGbTJ7xDNAKeraD00cJ3yLJ/zKGNgXjk= Received: from [192.168.3.124] (unknown []) by gzga-smtp-mtada-g1-3 (Coremail) with SMTP id _____wBX6lsM0EVq9a7uGA--.114S2; Thu, 02 Jul 2026 10:42:25 +0800 (CST) Message-ID: <613f117f-e192-427e-ba88-4a060250e7db@163.com> Date: Thu, 2 Jul 2026 10:42:20 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] exfat: validate cached iomaps during buffered writes and writeback From: Chi Zhiling To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Namjae Jeon , Sungjong Seo , Yuezhang Mo , Chi Zhiling References: <20260702023116.829321-1-chizhiling@163.com> In-Reply-To: <20260702023116.829321-1-chizhiling@163.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CM-TRANSID:_____wBX6lsM0EVq9a7uGA--.114S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrXrWrAFyrJry3Xw1UXw17GFg_yoWxGFXEvw 1vvryrGa1jvF1rJr47Xw43ArZ2vFs5GFn8X3yUt3srtwn2gFs2vF1xZFnxtryjq39rGF1v yr4vkw4UJFy7XjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUj8nY7UUUUU== X-CM-SenderInfo: hfkl6xxlol0wi6rwjhhfrp/xtbC3BEkwWpF0BHYzAAA3S On 7/2/26 10:31 AM, Chi Zhiling wrote: > error = __exfat_iomap_begin(wpc->inode, offset, len, > @@ -269,3 +271,12 @@ int exfat_iomap_swap_activate(struct swap_info_struct *sis, > { > return iomap_swapfile_activate(sis, file, span, &exfat_iomap_ops); > } > + > +static bool exfat_iomap_valid(struct inode *inode, const struct iomap *iomap) > +{ > + return EXFAT_I(inode)->cache_valid_id == iomap->validity_cookie; > +} > + > +const struct iomap_write_ops exfat_iomap_write_ops = { > + .iomap_valid = exfat_iomap_valid, > +}; Sorry, this patch causes a build failure. I'll send a v3 as soon as possible.