From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.2]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2F6B8194080; Fri, 20 Dec 2024 16:49:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.2 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734713399; cv=none; b=qDcgWSP1wx9unkA81dZUo/Uq/PcFcFR1mq3c9QW+hNSp9BDfR47lidTQulUYBC4LdxPfeUpQnJBaLx3jJCGcrUqRHf58RiBt+P97VnoyIJ672oR8ow8O32jDXMLpHIPQhDyOofGQ8ER5CQn8iTP9f6sNB6ailfBs5BK/9dl5W7c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734713399; c=relaxed/simple; bh=ZoBAjDF4cljaOpM1ftlPD/c0I2NDI5UZONkvnHt3u8c=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=rBGYo9lEvbyqewr71CiDT/UWuwZtds1FQ4TAXjl6FM3y/fNG8g7L/F5K+7OqXYfcTM7fbcTf1ISvG1TL86FLAg/TjNXKdLjI/AodkcFc6UvZ6G1gNTo4gTS/0Zgro/PsUNxzbjErXmORYGY4JlGl+AgJ+JaOB6+QftcAKzlyR/Q= 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=fail (1024-bit key) header.d=163.com header.i=@163.com header.b=b+im4K6c reason="signature verification failed"; arc=none smtp.client-ip=220.197.31.2 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=fail reason="signature verification failed" (1024-bit key) header.d=163.com header.i=@163.com header.b="b+im4K6c" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:Subject:Content-Type:MIME-Version: Message-ID; bh=OKHrh5yg2BacFrX9YetqNZeaucfGNasvM4vSQmHvAGQ=; b=b +im4K6c2LtW+JRbIgkddEIqv5aSRywUn2j/mlchzzHW3LYMUerWHJgEc6SxO0pEs +FhUSWiq8dY79iFcoCrkygbxSIe1CHhzcwmqHJ4og0sXry9ee0qVJhhGNvBCFbE9 3RCVIxIHlGkRu+NKaNVgUyAVjW/821E8lNOe9ujUcQ= Received: from 00107082$163.com ( [111.35.188.140] ) by ajax-webmail-wmsvr-40-132 (Coremail) ; Sat, 21 Dec 2024 00:48:53 +0800 (CST) Date: Sat, 21 Dec 2024 00:48:53 +0800 (CST) From: "David Wang" <00107082@163.com> To: "Markus Elfring" Cc: linux-fsdevel@vger.kernel.org, "Alexander Viro" , "Christian Brauner" , LKML , "Suren Baghdasaryan" Subject: Re: [PATCH v2] seq_file: copy as much as possible to user buffer in seq_read() X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20240801(9da12a7b) Copyright (c) 2002-2024 www.mailtech.cn 163com In-Reply-To: <4256c3d6-5769-444a-84d5-3b416015bc34@web.de> References: <20241220041605.6050-1-00107082@163.com> <20241220140819.9887-1-00107082@163.com> <4256c3d6-5769-444a-84d5-3b416015bc34@web.de> X-NTES-SC: AL_Qu2YBvuavEso5SSYZ+kXn0oTju85XMCzuv8j3YJeN500myXU+SQQbG57BX3v/Pm3IjmmoQmTXQVT++djdoBlZ4lV4d+6OqiO4B2yb6QXpnf/ Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <1748fa92.b227.193e4f8d6a3.Coremail.00107082@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:hCgvCgCXP5f2n2VndUxHAA--.64663W X-CM-SenderInfo: qqqrilqqysqiywtou0bp/1tbiqQK7qmdlmOPzmgAAsq X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CgpBdCAyMDI0LTEyLTIwIDIyOjM0OjEyLCAiTWFya3VzIEVsZnJpbmciIDxNYXJrdXMuRWxmcmlu Z0B3ZWIuZGU+IHdyb3RlOgo+PiBzZXFfcmVhZCgpIHlpZWxkcyBhdCBtb3N0IHNlcV9maWxlLT5z aXplIGJ5dGVzIHRvIHVzZXJzcGFjZSwgoa0KPgo+ICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgIHVzZXIgc3BhY2U/Cj4KPgo+oa0KPj4gCSQgc3RyYWNl IC1UIC1lIHJlYWQgY2F0IC9wcm9jL2ludGVycnVwdHMgID4gL2Rldi9udWxsCj6hrQo+PiAJIDQ1 IHJlYWQoMywgIiIsIDEzMTA3MikgICAgICAgICAgICAgICAgICAgICA9IDAgPDAuMDAwMDEwPgo+ PiBPbiBhIHN5c3RlbSB3aXRoIGh1bmRyZWRzIG9mIGNwdXMsIGl0IHdvdWxkIG5lZWQgoa0KPgo+ ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIENQVXM/Cj4KPgo+SXMgaXQgYSBiaXQgbmlj ZXIgdG8gc2VwYXJhdGUgdGVzdCBvdXRwdXQgYW5kIHN1YnNlcXVlbnQgY29tbWVudHMgYnkgYmxh bmsgbGluZXM/Cj4KPgo+oa0KPj4gRmlsbCB1cCB1c2VyIGJ1ZmZlciBhcyBtdWNoIGFzIHBvc3Np YmxlIGluIHNlcV9yZWFkKCksIGV4dHJhIHJlYWQKPj4gY2FsbHMgY2FuIGJlIGF2b2lkZWQgd2l0 aCBhIGxhcmdlciB1c2VyIGJ1ZmZlciwgYW5kIDIlfjEwJSBwZXJmb3JtYW5jZQo+PiBpbXByb3Zl bWVudCB3b3VsZCBiZSBvYnNlcnZlZDoKPldpbGwgaXQgaGVscCB0byBzcGxpdCBzdWNoIGEgcGFy YWdyYXBoIGludG8gdGhyZWUgc2VudGVuY2VzCj4ob24gc2VwYXJhdGUgbGluZXMpPwo+Cj5SZWdh cmRzLAo+TWFya3VzCgpUaGFua3MgZm9yIHRoZSBjb21tZW50cywgSSB3aWxsIGFkZHJlc3MgaXQg bGF0ZXIuCkFueSBjb25jZXJuIGFib3V0IHRoZSBjb2RlPwoKRGF2aWQ=