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 D02B848C3F5 for ; Mon, 28 Sep 2026 08:56:50 +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=1790585815; cv=none; b=EfmMDYrGbCuwgQ7/jhkaggf73/TttzRSYtYSdw0Tv9ywWi35hVMTLVwyKLjya6Vr3yBRmEvBnVRoznm0fTEMM/pJ1IW5AwAxkjoZLSNZnABgW93Y8I8revwBRoqRLmAUhOkNxaJLec40DeYfeM3oAQTbG6Ffu5YQkW2X+27e+uE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790585815; c=relaxed/simple; bh=cPMsUg4GD7ze/NnAko8h/MZFK9hzwQWx3jygGvSUOwI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=We+vnQ4QqM/Jg9X5C5OXB6Is+7TH/UNO54+CYdWrGzzcKG71TO5s2ZZM43Asggwq80+BFlER9qJAL8eUnuZvqLej2mlCDUAsnLySp55Nhxlegl9Rc8w8b5xzr+htfPpTpFKoXiFlaYaxs8C0NoImfL5CHE3kr9HetwWOd+lQOZw= 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=gWYjU1Do; 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="gWYjU1Do" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=cPMsUg4GD7ze/NnAko8h/MZFK9hzwQWx3jygGvSUOwI=; b=g WYjU1Do1XKlsBmBJBbO1TfvYpFJiORxIKSlYnchu5JDvEBV64MlyKbSya0gkpjiz CRvBH12PYJOmKZZpCXPGUMpYhZwWY2XDrVsDNZz0mfkxtwEHbou7l2A52NHUf5HE uGInUFeX/odicDoL02Gs08ALKyVB1YSi0Yv2RJ3ECQ= Date: Mon, 28 Sep 2026 16:56:24 +0800 (CST) From: "jiale yao" <19888972804@163.com> To: "Chi Zhiling" Cc: "Namjae Jeon" , "Sungjong Seo" , "Yuezhang Mo" , "Darrick J. Wong" , exfat@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/3] exfat: drain in-flight DIO before buffered write fallback X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260511(2e539873) Copyright (c) 2002-2026 www.mailtech.cn 163com In-Reply-To: <9e6e7f65-33b3-4bf2-9254-011b5e1faaa9@163.com> References: <20260926072612.3022680-1-yaojiale02@163.com> <20260926072612.3022680-4-yaojiale02@163.com> <9e6e7f65-33b3-4bf2-9254-011b5e1faaa9@163.com> X-NTES-SC: AL_Qu2SAvmTuk8j4iaeYekcn08ShO49XMOyvfoi2YFTc+gGmTzU3j0if1JyFELowOyzNySDujGrVSdF5ct2e7h6g+ddnJToTl0eKuBreN7YTA== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <57105c98.81a5.1a0e73ac964.Coremail.19888972804@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:iCgvCgDnz9m5K7pq5plPAA--.50859W X-CM-SenderInfo: x1dryxhdohiji6rwjhhfrp/xtbC7xlCfGq6K7kt7gAA3J X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== SGkgWmhpbGluZywKCkF0IDIwMjYtMDktMjcgMjE6MDQ6NTgsICJDaGkgWmhpbGluZyIgPGNoaXpo aWxpbmdAMTYzLmNvbT4gd3JvdGU6Cj5PbiA5LzI2LzI2IDM6MjYgUE0sIEppYWxlIFlhbyB3cm90 ZToKPj4gZGlmZiAtLWdpdCBhL2ZzL2V4ZmF0L2ZpbGUuYyBiL2ZzL2V4ZmF0L2ZpbGUuYwo+PiBp bmRleCBhMmE5ZWUxYTIwMDQuLmNmNWNjYmQ1NDgyMyAxMDA2NDQKPj4gLS0tIGEvZnMvZXhmYXQv ZmlsZS5jCj4+ICsrKyBiL2ZzL2V4ZmF0L2ZpbGUuYwo+PiBAQCAtODA3LDYgKzgwNywxMiBAQCBz dGF0aWMgc3NpemVfdCBleGZhdF9mYWxsYmFja19idWZmZXJlZF93cml0ZShzdHJ1Y3Qga2lvY2Ig KmlvY2IsCj4+ICAgCj4+ICAgCWlvY2ItPmtpX2ZsYWdzICY9IH5JT0NCX0RJUkVDVDsKPj4gICAK Pj4gKwkvKgo+PiArCSAqIFByZXZlbnQgY29uY3VycmVudCBkaXJlY3QgSS9PIGFuZCBidWZmZXJl ZCBJL08gdG8gdGhlIHNhbWUgZmlsZQo+PiArCSAqIHJhbmdlLiBXYWl0IGZvciBpbi1mbGlnaHQg RElPIHRvIGZpbmlzaCBiZWZvcmUgZGlydHlpbmcgcGFnZXMuCj4+ICsJICovCj4+ICsJaW5vZGVf ZGlvX3dhaXQoZmlsZV9pbm9kZShpb2NiLT5raV9maWxwKSk7Cj4KPlRoaXMgY2hhbmdlIGlzIGNv cnJlY3QsIGJ1dCB0aGUgY29tbWVudCBpcyBub3QgYWNjdXJhdGUgYmVjYXVzZSB0aGUgCj5mdW5j dGlvbiB5b3UgbW9kaWZpZWQgaXMgbm90IHBhcnQgb2YgdGhlIGJ1ZmZlcmVkIEkvTyBwYXRoIGlu IGV4RkFULgo+Cj5Zb3UgY2FuIGFkZCBpbm9kZV9kaW9fd2FpdCgpIHRvIGJvdGggZXhmYXRfZmls ZV93cml0ZV9pdGVyKCkgYW5kIAo+ZXhmYXRfZmFsbGJhY2tfYnVmZmVyZWRfd3JpdGUoKSwgYW5k IG1vdmUgdGhlIGNvbW1lbnQgdG8gCj5leGZhdF9maWxlX3dyaXRlX2l0ZXIoKS4KPgo+PiArCj4+ ICAgCXdyaXR0ZW4gPSBpb21hcF9maWxlX2J1ZmZlcmVkX3dyaXRlKGlvY2IsIGZyb20sICZleGZh dF93cml0ZV9pb21hcF9vcHMsCj4+ICAgCQkJTlVMTCwgTlVMTCk7Cj4+ICAgCWlmICh3cml0dGVu IDwgMCkKClRoYW5rcyBmb3IgeW91ciByZXZpZXcuIFNlZSB2MyBpbjoKaHR0cHM6Ly9sb3JlLmtl cm5lbC5vcmcvYWxsLzIwMjYwOTI4MDg1NDEyLjIyMjEwNTUtMS15YW9qaWFsZTAyQDE2My5jb20v