From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93BD7C1975A for ; Wed, 25 Mar 2020 07:54:26 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 68BA520409 for ; Wed, 25 Mar 2020 07:54:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gU+nhrHz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 68BA520409 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KxDkqhp9tkdEvFZdQrTXd4YUVme8/JctjLtYRQih1Lk=; b=gU+nhrHz83qLJMru4hf4aqU97 RQzGuU1PNuRXcxc9aRXg5jxrqDLCx6HTYqEQW/UpxIXZ5T7TQs4ktH3MR23uRLt1fzMZZMCsL3Ldn A/We0A+f+HIRgxrgeWpxmfZD9bwIW50lu8f0nN0pe694iYHq0fL+ehImXJyRttQLSqin2XpFXahOI CGyohqTSlScHAsr8q4pjtAacDPkYyFdtGPscp0u3DQPHzRljQ9xdYwo88leAwHGgW8bkQ04b3knOR 1o56ZSMPUpM97+QSGMweXOuQ6OweLjD5W+2cQdk1BazJ30SSJj3T1IUzW4QopeoIWjs9X6vT55umo DjfeLdJow==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jH0rd-000403-JD; Wed, 25 Mar 2020 07:54:13 +0000 Received: from szxga07-in.huawei.com ([45.249.212.35] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jH0ra-0003zV-7w for linux-mtd@lists.infradead.org; Wed, 25 Mar 2020 07:54:11 +0000 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id DD25C3C7575C8B8A45B8; Wed, 25 Mar 2020 15:54:02 +0800 (CST) Received: from [127.0.0.1] (10.67.102.197) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.487.0; Wed, 25 Mar 2020 15:53:52 +0800 Subject: Re: [PATCH] mtd:Fix issue where write_cached_data() fails but write() still returns success To: Miquel Raynal References: <1584674111-101462-1-git-send-email-nixiaoming@huawei.com> <20200324230620.174db1a7@xps13> From: Xiaoming Ni Message-ID: Date: Wed, 25 Mar 2020 15:53:41 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.1.2 MIME-Version: 1.0 In-Reply-To: <20200324230620.174db1a7@xps13> X-Originating-IP: [10.67.102.197] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200325_005410_451402_CEAFD8AD X-CRM114-Status: UNSURE ( 9.34 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhangweimin12@huawei.com, vigneshr@ti.com, richard@nod.at, wangle6@huawei.com, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org T24gMjAyMC8zLzI1IDY6MDYsIE1pcXVlbCBSYXluYWwgd3JvdGU6Cj4gSGkgWGlhb21pbmcsCj4g Cj4gWGlhb21pbmcgTmkgPG5peGlhb21pbmdAaHVhd2VpLmNvbT4gd3JvdGUgb24gRnJpLCAyMCBN YXIgMjAyMCAxMToxNToxMQo+ICswODAwOgo+IAo+PiBtdGRibG9ja19mbHVzaCgpCj4+IAktLT53 cml0ZV9jYWNoZWRfZGF0YSgpCj4+IAkJLS0tPmVyYXNlX3dyaXRlKCkKPj4gCQkgICAgIG10ZGJs b2NrOiBlcmFzZSBvZiByZWdpb24gWzB4NDAwMDAsIDB4MjAwMDBdIG9uICJ4eHgiIGZhaWxlZAo+ Pgo+PiBCZWNhdXNlIG10ZGJsb2NrX2ZsdXNoKCkgYWx3YXlzIHJldHVybnMgMCwKPj4gZXZlbiBp ZiB3cml0ZV9jYWNoZWRfZGF0YSgpIGZhaWxzIGFuZCBkYXRhIGlzIG5vdCB3cml0dGVuIHRvIHRo ZSBkZXZpY2UsCj4+IHN5c2NhbGxfd3JpdGUoKSBzdGlsbCByZXR1cm5zIHN1Y2Nlc3MKPiAKPiBJ IHJld29yZGVkIGEgYml0IHRoZSBjb21taXQgbG9nIGFuZCBhbHNvIGFkZGVkIGEgJyAnIGFmdGVy ICdtdGQ6JyBpbgo+IHRoZSB0aXRsZSB3aGVuIGFwcGx5aW5nLgo+IAo+IFRoYW5rcywKPiBNaXF1 w6hsCgpZb3VyIHJldmlzZWQgY29tbWl0IGxvZyBpcyBtb3JlIGFjY3VyYXRlIGFuZCBjbGVhcmVy LCB0aGFua3MgZm9yIHlvdXIgCmNvcnJlY3Rpb24KVGhhbmtzLgpYaWFvbWluZyBOaQoKCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgg TVREIGRpc2N1c3Npb24gbWFpbGluZyBsaXN0Cmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21h aWxtYW4vbGlzdGluZm8vbGludXgtbXRkLwo=