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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 3A4F3C433EF for ; Wed, 15 Sep 2021 14:59:15 +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 BAE1B61242 for ; Wed, 15 Sep 2021 14:59:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BAE1B61242 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=p962EwR10wgItzLrkynXUbGMWDw3oi0AUmoq1LkBaFw=; b=ijLB0iFieAQzwebIUOq9cQECjV vhHiUnCKLVHZYdlt72zGjJ3q2hR4rdEfGQTpJZTQn2Km/PAEKSEcmJC3+guvQHMtZTMOLlj0dA/30 DO4+17osjEzl0BN9X/Lpdoellm8ddJg+YkOlfY7dispsJIWpNY8HMo4QVQKWfpkeomPD4KqDjjRSF wgLo3LFYqfGLFiqVUfg3/vI4SQqNc+i6nhc+v3NuKQKe5y8bqxZBuU+AdSXtqrLTmPYzDipxFwjyH tiEybWA2Nfwh22dWTqkeZOPT2I7WZnN8pFHJEnKbaqh1Bq46i5VH0Pxpol0E6zIgq/DkVCPrWFyit I7hN/2zg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mQWMW-009LKF-Cf; Wed, 15 Sep 2021 14:58:12 +0000 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mQWMS-009LJL-GQ for linux-mtd@lists.infradead.org; Wed, 15 Sep 2021 14:58:10 +0000 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.0.43) with SMTP id 18FEUr3n028559; Wed, 15 Sep 2021 10:57:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=XZCB86uPKuV/GzpbaX8+VV3hy7G2w+54Yd25UoQjYiA=; b=p0hUCf/0qQPWDba9bizX/010a1RbKLZmp7dMoG7zsai0bIliEwc+zkgdLGOeV/5721JT tZjWfCp0cgVzr2CxY9Ca3vzq6tDiuo2x9/gRQ/N+Jg625dNmKwXzhX+2em0gf3S0nRvi /rkG2qsBFbyuYlCPWyWa1VMAgVFh6PaSPQik1D0qiS4sxkVECz/9gDB53mgW/5CdRPF7 GfBEiuvdp/zKvNOzQngxOvA1HH7h5EYwZE8ya7sYmaHzzPGqA12GJJBncZlSF+YzftOS oyEoHdjXsJlbB9SWqwmnh3FYwYAqXnkU3wOw69hIcMZk3JWdcq9GGHDQO1T9iBOaiuqv kw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3b3jnc8t77-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 15 Sep 2021 10:57:56 -0400 Received: from m0098417.ppops.net (m0098417.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 18FEVhPI002814; Wed, 15 Sep 2021 10:57:55 -0400 Received: from ppma04fra.de.ibm.com (6a.4a.5195.ip4.static.sl-reverse.com [149.81.74.106]) by mx0a-001b2d01.pphosted.com with ESMTP id 3b3jnc8t6c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 15 Sep 2021 10:57:55 -0400 Received: from pps.filterd (ppma04fra.de.ibm.com [127.0.0.1]) by ppma04fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 18FEqw1j024866; Wed, 15 Sep 2021 14:57:53 GMT Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by ppma04fra.de.ibm.com with ESMTP id 3b0m3a72ns-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 15 Sep 2021 14:57:53 +0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 18FEvnm248824578 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 15 Sep 2021 14:57:49 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AA8ECA405C; Wed, 15 Sep 2021 14:57:49 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B0BD8A4054; Wed, 15 Sep 2021 14:57:48 +0000 (GMT) Received: from [9.145.14.74] (unknown [9.145.14.74]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 15 Sep 2021 14:57:48 +0000 (GMT) Subject: Re: [PATCH 6/9] s390/block/dasd_genhd: add error handling support for add_disk() To: Luis Chamberlain Cc: axboe@kernel.dk, gregkh@linuxfoundation.org, chaitanya.kulkarni@wdc.com, atulgopinathan@gmail.com, hare@suse.de, maximlevitsky@gmail.com, oakad@yahoo.com, ulf.hansson@linaro.org, colin.king@canonical.com, shubhankarvk@gmail.com, baijiaju1990@gmail.com, trix@redhat.com, dongsheng.yang@easystack.cn, ceph-devel@vger.kernel.org, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, sth@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, borntraeger@de.ibm.com, oberpar@linux.ibm.com, tj@kernel.org, linux-s390@vger.kernel.org, linux-mtd@lists.infradead.org, linux-mmc@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210902174105.2418771-1-mcgrof@kernel.org> <20210902174105.2418771-7-mcgrof@kernel.org> From: =?UTF-8?Q?Jan_H=c3=b6ppner?= Message-ID: <417cf368-6821-442b-0a14-006b27690591@linux.ibm.com> Date: Wed, 15 Sep 2021 16:57:48 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 9TnzlmD7Tr-lHTTUHflItAjPnDnMN64G X-Proofpoint-GUID: ehalCfQDBnMyMC6p5nCgsPYP3FossWSO X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.687,Hydra:6.0.235,FMLib:17.0.607.475 definitions=2020-10-13_15,2020-10-13_02,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 spamscore=0 mlxlogscore=999 mlxscore=0 suspectscore=0 malwarescore=0 impostorscore=0 clxscore=1015 phishscore=0 bulkscore=0 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109030001 definitions=main-2109150090 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210915_075808_703398_B31392B0 X-CRM114-Status: GOOD ( 29.21 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org T24gMTMvMDkvMjAyMSAxODo1MSwgTHVpcyBDaGFtYmVybGFpbiB3cm90ZToKPiBPbiBNb24sIFNl cCAxMywgMjAyMSBhdCAwMjoxOTozOFBNICswMjAwLCBKYW4gSMO2cHBuZXIgd3JvdGU6Cj4+IE9u IDEzLzA5LzIwMjEgMTA6MTcsIEphbiBIw7ZwcG5lciB3cm90ZToKPj4+IE9uIDAyLzA5LzIwMjEg MTk6NDEsIEx1aXMgQ2hhbWJlcmxhaW4gd3JvdGU6Cj4+Pj4gV2UgbmV2ZXIgY2hlY2tlZCBmb3Ig ZXJyb3JzIG9uIGFkZF9kaXNrKCkgYXMgdGhpcyBmdW5jdGlvbgo+Pj4+IHJldHVybmVkIHZvaWQu IE5vdyB0aGF0IHRoaXMgaXMgZml4ZWQsIHVzZSB0aGUgc2hpbnkgbmV3Cj4+Pj4gZXJyb3IgaGFu ZGxpbmcuCj4+Pj4KPj4+PiBTaWduZWQtb2ZmLWJ5OiBMdWlzIENoYW1iZXJsYWluIDxtY2dyb2ZA a2VybmVsLm9yZz4KPj4+PiAtLS0KPj4+PiAgZHJpdmVycy9zMzkwL2Jsb2NrL2Rhc2RfZ2VuaGQu YyB8IDggKysrKysrLS0KPj4+PiAgMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9ucygrKSwgMiBk ZWxldGlvbnMoLSkKPj4+Pgo+Pj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3MzOTAvYmxvY2svZGFz ZF9nZW5oZC5jIGIvZHJpdmVycy9zMzkwL2Jsb2NrL2Rhc2RfZ2VuaGQuYwo+Pj4+IGluZGV4IGZh OTY2ZTBkYjZjYS4uYmEwNzAyMjI4M2JjIDEwMDY0NAo+Pj4+IC0tLSBhL2RyaXZlcnMvczM5MC9i bG9jay9kYXNkX2dlbmhkLmMKPj4+PiArKysgYi9kcml2ZXJzL3MzOTAvYmxvY2svZGFzZF9nZW5o ZC5jCj4+Pj4gQEAgLTMzLDcgKzMzLDcgQEAgaW50IGRhc2RfZ2VuZGlza19hbGxvYyhzdHJ1Y3Qg ZGFzZF9ibG9jayAqYmxvY2spCj4+Pj4gIHsKPj4+PiAgCXN0cnVjdCBnZW5kaXNrICpnZHA7Cj4+ Pj4gIAlzdHJ1Y3QgZGFzZF9kZXZpY2UgKmJhc2U7Cj4+Pj4gLQlpbnQgbGVuOwo+Pj4+ICsJaW50 IGxlbiwgcmM7Cj4+Pj4gIAo+Pj4+ICAJLyogTWFrZSBzdXJlIHRoZSBtaW5vciBmb3IgdGhpcyBk ZXZpY2UgZXhpc3RzLiAqLwo+Pj4+ICAJYmFzZSA9IGJsb2NrLT5iYXNlOwo+Pj4+IEBAIC03OSw3 ICs3OSwxMSBAQCBpbnQgZGFzZF9nZW5kaXNrX2FsbG9jKHN0cnVjdCBkYXNkX2Jsb2NrICpibG9j aykKPj4+PiAgCWRhc2RfYWRkX2xpbmtfdG9fZ2VuZGlzayhnZHAsIGJhc2UpOwo+Pj4+ICAJYmxv Y2stPmdkcCA9IGdkcDsKPj4+PiAgCXNldF9jYXBhY2l0eShibG9jay0+Z2RwLCAwKTsKPj4+PiAt CWRldmljZV9hZGRfZGlzaygmYmFzZS0+Y2Rldi0+ZGV2LCBibG9jay0+Z2RwLCBOVUxMKTsKPj4+ PiArCj4+Pj4gKwlyYyA9IGRldmljZV9hZGRfZGlzaygmYmFzZS0+Y2Rldi0+ZGV2LCBibG9jay0+ Z2RwLCBOVUxMKTsKPj4+PiArCWlmIChyYykKPj4+PiArCQlyZXR1cm4gcmM7Cj4+Pj4gKwo+Pj4K Pj4+IEkgdGhpbmssIGp1c3QgbGlrZSB3aXRoIHNvbWUgb2YgdGhlIG90aGVyIGNoYW5nZXMsIHRo ZXJlIGlzIHNvbWUKPj4+IGNsZWFudXAgcmVxdWlyZWQgYmVmb3JlIHJldHVybmluZy4gSSdsbCBw cmVwYXJlIGEgcGF0Y2ggYW5kCj4+PiBjb21lIGJhY2sgdG8geW91Lgo+Pj4KPj4KPj4gSXQncyBh Y3R1YWxseSBqdXN0IG9uZSBjYWxsIHRoYXQgaXMgcmVxdWlyZWQuIFRoZSBwYXRjaCBzaG91bGQK Pj4gbG9vayBsaWtlIHRoaXM6Cj4+Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3MzOTAvYmxvY2sv ZGFzZF9nZW5oZC5jIGIvZHJpdmVycy9zMzkwL2Jsb2NrL2Rhc2RfZ2VuaGQuYwo+PiBpbmRleCBm YTk2NmUwZGI2Y2EuLjgwNjczZGJmYjFmOSAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9zMzkwL2Js b2NrL2Rhc2RfZ2VuaGQuYwo+PiArKysgYi9kcml2ZXJzL3MzOTAvYmxvY2svZGFzZF9nZW5oZC5j Cj4+IEBAIC0zMyw3ICszMyw3IEBAIGludCBkYXNkX2dlbmRpc2tfYWxsb2Moc3RydWN0IGRhc2Rf YmxvY2sgKmJsb2NrKQo+PiAgewo+PiAgICAgICAgIHN0cnVjdCBnZW5kaXNrICpnZHA7Cj4+ICAg ICAgICAgc3RydWN0IGRhc2RfZGV2aWNlICpiYXNlOwo+PiAtICAgICAgIGludCBsZW47Cj4+ICsg ICAgICAgaW50IGxlbiwgcmM7Cj4+ICAKPj4gICAgICAgICAvKiBNYWtlIHN1cmUgdGhlIG1pbm9y IGZvciB0aGlzIGRldmljZSBleGlzdHMuICovCj4+ICAgICAgICAgYmFzZSA9IGJsb2NrLT5iYXNl Owo+PiBAQCAtNzksNyArNzksMTMgQEAgaW50IGRhc2RfZ2VuZGlza19hbGxvYyhzdHJ1Y3QgZGFz ZF9ibG9jayAqYmxvY2spCj4+ICAgICAgICAgZGFzZF9hZGRfbGlua190b19nZW5kaXNrKGdkcCwg YmFzZSk7Cj4+ICAgICAgICAgYmxvY2stPmdkcCA9IGdkcDsKPj4gICAgICAgICBzZXRfY2FwYWNp dHkoYmxvY2stPmdkcCwgMCk7Cj4+IC0gICAgICAgZGV2aWNlX2FkZF9kaXNrKCZiYXNlLT5jZGV2 LT5kZXYsIGJsb2NrLT5nZHAsIE5VTEwpOwo+PiArCj4+ICsgICAgICAgcmMgPSBkZXZpY2VfYWRk X2Rpc2soJmJhc2UtPmNkZXYtPmRldiwgYmxvY2stPmdkcCwgTlVMTCk7Cj4+ICsgICAgICAgaWYg KHJjKSB7Cj4+ICsgICAgICAgICAgICAgICBkYXNkX2dlbmRpc2tfZnJlZShibG9jayk7Cj4+ICsg ICAgICAgICAgICAgICByZXR1cm4gcmM7Cj4+ICsgICAgICAgfQo+PiArCj4gCj4gVGhhbmtzIQo+ IAo+IFdvdWxkIHlvdSBsaWtlIHRvIHRvIGZvbGQgdGhpcyBmaXggaW50byBteSBwYXRjaCBhbmQg cmVzZW5kIGV2ZW50dWFsbHk/Cj4gT3Igd2lsbCB5b3Ugc2VuZCBhIHJlcGxhY2VtZW50Pwo+IAo+ ICAgTHVpcwo+IAoKSSdkIGJlIGZpbmUgd2l0aCB5b3UganVzdCB0YWtpbmcgdGhlIGNoYW5nZXMg Zm9yIHlvdXIgcGF0Y2hzZXQuCk9uY2UgeW91J3ZlIHJlc2VudCB0aGUgd2hvbGUgcGF0Y2hzZXQg SSdsbCByZXZpZXcgaXQgYW5kIHNlbmQKdGhlIHVzdWFsIGFjayBvciByLWIuCgpyZWdhcmRzLApK YW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpMaW51eCBNVEQgZGlzY3Vzc2lvbiBtYWlsaW5nIGxpc3QKaHR0cDovL2xpc3RzLmluZnJhZGVh ZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1tdGQvCg==