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=-15.3 required=3.0 tests=BAYES_00, 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 2483DC5519F for ; Fri, 20 Nov 2020 07:21:08 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 913882158C for ; Fri, 20 Nov 2020 07:21:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 913882158C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=dm-devel-bounces@redhat.com Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-581-43DD9WiqPsWqBq3cYm2-lg-1; Fri, 20 Nov 2020 02:21:04 -0500 X-MC-Unique: 43DD9WiqPsWqBq3cYm2-lg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 33E8518C43C2; Fri, 20 Nov 2020 07:21:00 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 15BAF60BE2; Fri, 20 Nov 2020 07:21:00 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id DF8994A7C6; Fri, 20 Nov 2020 07:20:59 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 0AK7KvOP003300 for ; Fri, 20 Nov 2020 02:20:57 -0500 Received: by smtp.corp.redhat.com (Postfix) id 78ECDE778C; Fri, 20 Nov 2020 07:20:57 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast04.extmail.prod.ext.rdu2.redhat.com [10.11.55.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 72768E778A for ; Fri, 20 Nov 2020 07:20:54 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-2.mimecast.com [207.211.31.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 39A7D103B800 for ; Fri, 20 Nov 2020 07:20:54 +0000 (UTC) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-233-x0Hy57_DNXWjwANa9ARXPw-1; Fri, 20 Nov 2020 02:20:49 -0500 X-MC-Unique: x0Hy57_DNXWjwANa9ARXPw-1 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 95218AC0C; Fri, 20 Nov 2020 07:20:47 +0000 (UTC) To: Christoph Hellwig , Jens Axboe References: <20201116145809.410558-1-hch@lst.de> <20201116145809.410558-33-hch@lst.de> From: Hannes Reinecke Message-ID: Date: Fri, 20 Nov 2020 08:20:45 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <20201116145809.410558-33-hch@lst.de> X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 0AK7KvOP003300 X-loop: dm-devel@redhat.com Cc: Justin Sanders , Mike Snitzer , "Michael S. Tsirkin" , Jason Wang , linux-nvme@lists.infradead.org, Song Liu , dm-devel@redhat.com, linux-scsi@vger.kernel.org, xen-devel@lists.xenproject.org, Ilya Dryomov , Jack Wang , Konrad Rzeszutek Wilk , Josef Bacik , nbd@other.debian.org, linux-raid@vger.kernel.org, Stefan Hajnoczi , drbd-dev@tron.linbit.com, ceph-devel@vger.kernel.org, linux-block@vger.kernel.org, "Martin K. Petersen" , Minchan Kim , linux-fsdevel@vger.kernel.org, Paolo Bonzini , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Subject: Re: [dm-devel] [PATCH 32/78] block: remove set_device_ro X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" T24gMTEvMTYvMjAgMzo1NyBQTSwgQ2hyaXN0b3BoIEhlbGx3aWcgd3JvdGU6Cj4gRm9sZCBzZXRf ZGV2aWNlX3JvIGludG8gaXRzIG9ubHkgcmVtYWluaW5nIGNhbGxlci4KPiAKPiBTaWduZWQtb2Zm LWJ5OiBDaHJpc3RvcGggSGVsbHdpZyA8aGNoQGxzdC5kZT4KPiAtLS0KPiAgIGJsb2NrL2dlbmhk LmMgICAgICAgICB8IDcgLS0tLS0tLQo+ICAgYmxvY2svaW9jdGwuYyAgICAgICAgIHwgMiArLQo+ ICAgaW5jbHVkZS9saW51eC9nZW5oZC5oIHwgMSAtCj4gICAzIGZpbGVzIGNoYW5nZWQsIDEgaW5z ZXJ0aW9uKCspLCA5IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9ibG9jay9nZW5oZC5j IGIvYmxvY2svZ2VuaGQuYwo+IGluZGV4IDhjMzUwZmVjZmU4YmZlLi5iMGYwYjBjYWM5YWE3ZiAx MDA2NDQKPiAtLS0gYS9ibG9jay9nZW5oZC5jCj4gKysrIGIvYmxvY2svZ2VuaGQuYwo+IEBAIC0x ODQzLDEzICsxODQzLDYgQEAgc3RhdGljIHZvaWQgc2V0X2Rpc2tfcm9fdWV2ZW50KHN0cnVjdCBn ZW5kaXNrICpnZCwgaW50IHJvKQo+ICAgCWtvYmplY3RfdWV2ZW50X2VudigmZGlza190b19kZXYo Z2QpLT5rb2JqLCBLT0JKX0NIQU5HRSwgZW52cCk7Cj4gICB9Cj4gICAKPiAtdm9pZCBzZXRfZGV2 aWNlX3JvKHN0cnVjdCBibG9ja19kZXZpY2UgKmJkZXYsIGludCBmbGFnKQo+IC17Cj4gLQliZGV2 LT5iZF9wYXJ0LT5wb2xpY3kgPSBmbGFnOwo+IC19Cj4gLQo+IC1FWFBPUlRfU1lNQk9MKHNldF9k ZXZpY2Vfcm8pOwo+IC0KPiAgIHZvaWQgc2V0X2Rpc2tfcm8oc3RydWN0IGdlbmRpc2sgKmRpc2ss IGludCBmbGFnKQo+ICAgewo+ICAgCXN0cnVjdCBkaXNrX3BhcnRfaXRlciBwaXRlcjsKPiBkaWZm IC0tZ2l0IGEvYmxvY2svaW9jdGwuYyBiL2Jsb2NrL2lvY3RsLmMKPiBpbmRleCA5NmNiNDU0NDcz NjQ2OC4uMDQyNTVkYzVmM2JmZjMgMTAwNjQ0Cj4gLS0tIGEvYmxvY2svaW9jdGwuYwo+ICsrKyBi L2Jsb2NrL2lvY3RsLmMKPiBAQCAtMzcxLDcgKzM3MSw3IEBAIHN0YXRpYyBpbnQgYmxrZGV2X3Jv c2V0KHN0cnVjdCBibG9ja19kZXZpY2UgKmJkZXYsIGZtb2RlX3QgbW9kZSwKPiAgIAkJaWYgKHJl dCkKPiAgIAkJCXJldHVybiByZXQ7Cj4gICAJfQo+IC0Jc2V0X2RldmljZV9ybyhiZGV2LCBuKTsK PiArCWJkZXYtPmJkX3BhcnQtPnBvbGljeSA9IG47Cj4gICAJcmV0dXJuIDA7Cj4gICB9Cj4gICAK PiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9saW51eC9nZW5oZC5oIGIvaW5jbHVkZS9saW51eC9nZW5o ZC5oCj4gaW5kZXggNGIyMmJmZDkzMzZlMWEuLjg0MjdhZDhiZWY1MjBkIDEwMDY0NAo+IC0tLSBh L2luY2x1ZGUvbGludXgvZ2VuaGQuaAo+ICsrKyBiL2luY2x1ZGUvbGludXgvZ2VuaGQuaAo+IEBA IC0zMDQsNyArMzA0LDYgQEAgZXh0ZXJuIHZvaWQgZGVsX2dlbmRpc2soc3RydWN0IGdlbmRpc2sg KmdwKTsKPiAgIGV4dGVybiBzdHJ1Y3QgZ2VuZGlzayAqZ2V0X2dlbmRpc2soZGV2X3QgZGV2LCBp bnQgKnBhcnRubyk7Cj4gICBleHRlcm4gc3RydWN0IGJsb2NrX2RldmljZSAqYmRnZXRfZGlzayhz dHJ1Y3QgZ2VuZGlzayAqZGlzaywgaW50IHBhcnRubyk7Cj4gICAKPiAtZXh0ZXJuIHZvaWQgc2V0 X2RldmljZV9ybyhzdHJ1Y3QgYmxvY2tfZGV2aWNlICpiZGV2LCBpbnQgZmxhZyk7Cj4gICBleHRl cm4gdm9pZCBzZXRfZGlza19ybyhzdHJ1Y3QgZ2VuZGlzayAqZGlzaywgaW50IGZsYWcpOwo+ICAg Cj4gICBzdGF0aWMgaW5saW5lIGludCBnZXRfZGlza19ybyhzdHJ1Y3QgZ2VuZGlzayAqZGlzaykK PiAKUmV2aWV3ZWQtYnk6IEhhbm5lcyBSZWluZWNrZSA8aGFyZUBzdXNlLmRlPgoKQ2hlZXJzLAoK SGFubmVzCi0tIApEci4gSGFubmVzIFJlaW5lY2tlICAgICAgICAgICAgICAgIEtlcm5lbCBTdG9y YWdlIEFyY2hpdGVjdApoYXJlQHN1c2UuZGUgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAr NDkgOTExIDc0MDUzIDY4OApTVVNFIFNvZnR3YXJlIFNvbHV0aW9ucyBHbWJILCBNYXhmZWxkc3Ry LiA1LCA5MDQwOSBOw7xybmJlcmcKSFJCIDM2ODA5IChBRyBOw7xybmJlcmcpLCBHZXNjaMOkZnRz ZsO8aHJlcjogRmVsaXggSW1lbmTDtnJmZmVyCgoKLS0KZG0tZGV2ZWwgbWFpbGluZyBsaXN0CmRt LWRldmVsQHJlZGhhdC5jb20KaHR0cHM6Ly93d3cucmVkaGF0LmNvbS9tYWlsbWFuL2xpc3RpbmZv L2RtLWRldmVs