From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa1.hgst.iphmx.com ([68.232.141.245]:4679 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936076AbeFOJAy (ORCPT ); Fri, 15 Jun 2018 05:00:54 -0400 From: Damien Le Moal To: Mike Snitzer , "Luis R. Rodriguez" CC: "hare@suse.de" , "axboe@kernel.dk" , "jaegeuk@kernel.org" , "yuchao0@huawei.com" , "ghe@suse.com" , "mwilck@suse.com" , "tchvatal@suse.com" , "zren@suse.com" , "agk@redhat.com" , "linux-fsdevel@vger.kernel.org" , "linux-block@vger.kernel.org" Subject: Re: dm-zoned-tools: add zoned disk udev rules for scheduler / dmsetup Date: Fri, 15 Jun 2018 09:00:47 +0000 Message-ID: References: <20180614001147.1545-1-mcgrof@kernel.org> <20180614123806.GA32162@redhat.com> In-Reply-To: <20180614123806.GA32162@redhat.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <9BE173FD295A0846A1B46F7FA26FB191@namprd04.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: TWlrZSwNCg0KT24gNi8xNC8xOCAyMTozOCwgTWlrZSBTbml0emVyIHdyb3RlOg0KPiBPbiBXZWQs IEp1biAxMyAyMDE4IGF0ICA4OjExcG0gLTA0MDAsDQo+IEx1aXMgUi4gUm9kcmlndWV6IDxtY2dy b2ZAa2VybmVsLm9yZz4gd3JvdGU6DQo+IA0KPj4gU2V0dGluZyB1cCBhIHpvbmVkIGRpc2tzIGlu IGEgZ2VuZXJpYyBmb3JtIGlzIG5vdCBzbyB0cml2aWFsLiBUaGVyZQ0KPj4gaXMgYWxzbyBxdWl0 ZSBhIGJpdCBvZiB0cmliYWwga25vd2xlZGdlIHdpdGggdGhlc2UgZGV2aWNlcyB3aGljaCBpcyBu b3QNCj4+IGVhc3kgdG8gZmluZC4NCj4+DQo+PiBUaGUgY3VycmVudGx5IHN1cHBsaWVkIGRlbW8g c2NyaXB0IHdvcmtzIGJ1dCBpdCBpcyBub3QgZ2VuZXJpYyBlbm91Z2ggdG8gYmUNCj4+IHByYWN0 aWNhbCBmb3IgTGludXggZGlzdHJpYnV0aW9ucyBvciBldmVuIGRldmVsb3BlcnMgd2hpY2ggb2Z0 ZW4gbW92ZQ0KPj4gZnJvbSBvbmUga2VybmVsIHRvIGFub3RoZXIuDQo+Pg0KPj4gVGhpcyB0cmll cyB0byBwdXQgYSBiaXQgb2YgdGhpcyB0cmliYWwga25vd2xlZGdlIGludG8gYW4gaW5pdGlhbCB1 ZGV2DQo+PiBydWxlIGZvciBkZXZlbG9wbWVudCB3aXRoIHRoZSBob3BlcyBMaW51eCBkaXN0cmli dXRpb25zIGNhbiBsYXRlcg0KPj4gZGVwbG95LiBUaHJlZSBydWxlIGFyZSBhZGRlZC4gT25lIHJ1 bGUgaXMgb3B0aW9uYWwgZm9yIG5vdywgaXQgc2hvdWxkIGJlDQo+PiBleHRlbmRlZCBsYXRlciB0 byBiZSBtb3JlIGRpc3RyaWJ1dGlvbi1mcmllbmRseSBhbmQgdGhlbiBJIHRoaW5rIHRoaXMNCj4+ IG1heSBiZSByZWFkeSBmb3IgY29uc2lkZXJhdGlvbiBmb3IgaW50ZWdyYXRpb24gb24gZGlzdHJp YnV0aW9ucy4NCj4+DQo+PiAxKSBzY2hlZHVsZXIgc2V0dXANCj4gDQo+IFRoaXMgaXMgd3Jvbmcu LiBpZiB6b25lZCBkZXZpY2VzIGFyZSBzbyBkZXBlbmRlbnQgb24gZGVhZGxpbmUgb3INCj4gbXEt ZGVhZGxpbmUgdGhlbiB0aGUga2VybmVsIHNob3VsZCBhbGxvdyB0aGVtIHRvIGJlIGhhcmRjb2Rl ZC4gIEkga25vdw0KPiBKZW5zIHJlbW92ZWQgdGhlIEFQSSB0byBkbyBzbyBidXQgdGhlIGZhY3Qg dGhhdCBkcml2ZXJzIG5lZWQgdG8gcmVseSBvbg0KPiBoYWNrcyBsaWtlIHRoaXMgdWRldiBydWxl IHRvIGdldCBhIGZ1bmN0aW9uYWwgZGV2aWNlIGlzIHByb29mIHdlIG5lZWQgdG8NCj4gYWxsb3cg ZHJpdmVycyB0byBpbXBvc2UgdGhlIHNjaGVkdWxlciB1c2VkLg0KDQpJIGFncmVlLiBTd2l0Y2hp bmcgc2NoZWR1bGVyIGluIHRoZSBrZXJuZWwgZHVyaW5nIGRldmljZSBwcm9iZS9icmluZy11cA0K d291bGQgYmUgbXkgcHJlZmVycmVkIGNob2ljZS4gQnV0IHVudGlsIHdlIGNvbWUgdG8gYSBjb25z ZW5zdXMgb24gdGhlDQpiZXN0IHdheSB0byBkbyB0aGlzLCBJIHRoaW5rIHRoYXQgdGhpcyB1ZGV2 IHJ1bGUgaXMgdXNlZnVsIHNpbmNlIHRoZQ0KInNjaGVkdWxlcj0iIGtlcm5lbCBwYXJhbWV0ZXIg aXMgcmF0aGVyIGhlYXZ5IGhhbmRlZCBhbmQgYXBwbGllcyB0byBhbGwNCnNpbmdsZSBxdWV1ZSBk ZXZpY2VzLiBOb3QgdG8gbWVudGlvbiB0aGF0IGFkZGluZyB0aGlzIHBhcmFtZXRlciB0byB0aGUN Cmtlcm5lbCBhcmd1bWVudHMgaXMgaW4gZXNzZW5jZSBzaW1pbGFyIHRvIHRoZSB1ZGV2IHJ1bGUg YWRkaXRpb246IGFjdGlvbg0KZnJvbSB0aGUgc3lzdGVtIHVzZXIgaXMgbmVjZXNzYXJ5IHRvIGFj aGlldmUgYSBjb3JyZWN0IGNvbmZpZ3VyYXRpb24NCmV2ZW4gdGhvdWdoIHRoYXQgY291bGQgZWFz aWx5IGJlIGRvbmUgYXV0b21hdGljYWxseSBmcm9tIHdpdGhpbiB0aGUNCmJsb2NrIGxheWVyLg0K DQpJbiB0aGUgbWVhbnRpbWUsIGRvY3VtZW50aW5nIHByb3Blcmx5IHRoYXQgdGhlIGRlYWRsaW5l IHNjaGVkdWxlciBoYXMgYQ0Kc3BlY2lhbCByZWxhdGlvbnNoaXAgd2l0aCB6b25lZCBibG9jayBk ZXZpY2VzIGlzIHN0aWxsIGEgbmljZSB0aGluZyB0bw0KZG8uIEJ1dCB5ZXMsIGRtLXpvbmVkLXRv b2xzIG1heSBub3QgYmUgdGhlIGJlc3QgcGxhY2UgdG8gZG8gdGhhdC4gQQ0Kc2ltcGxlIHRleHQg ZmlsZSB1bmRlciBEb2N1bWVudGF0aW9uL2Jsb2NrIG1heSBiZSBiZXR0ZXIuIEF0IHRoZSB2ZXJ5 DQpsZWFzdCwgRG9jdW1lbnRhdGlvbi9ibG9jay9kZWFkbGluZS1pb3NjaGVkLnR4dCBzaG91bGQg aGF2ZSBzb21lIG1lbnRpb24NCm9mIGl0cyBhbG1vc3QgbWFuZGF0b3J5IHVzZSB3aXRoIHpvbmVk IGJsb2NrIGRldmljZXMuIEkgd2lsbCB3b3JrIG9uIHRoYXQuDQoNCj4+IDIpIGJhY2tsaXN0IGYy ZnMgZGV2aWNlcw0KPiANCj4gVGhlcmUgc2hvdWxkIHBvcmJhYmx5IGJlIHN1cHBvcnQgaW4gZG0t em9uZWQgZm9yIGRldGVjdGluZyB3aGV0aGVyIGENCj4gem9uZWQgZGV2aWNlIHdhcyBmb3JtYXR0 ZWQgd2l0aCBmMmZzIChhc3N1bWluZyB0aGVyZSBpcyBhIGtub3duIGYyZnMNCj4gc3VwZXJibG9j ayk/DQoNClRoYXQgd291bGQgY2VydGFpbmx5IGJlIG5pY2UgdG8gaGF2ZSBhbmQgd291bGQgbm90 IGJlIHRvbyBoYXJkIHRvIGNvZGUNCmluIGRtemFkbS4gSSBjYW4gYWRkIHRoYXQgYW5kIGRvIHdo YXQgZm9yIGluc3RhbmNlIG1rZnMuZXh0NCBvciBta2ZzLnhmcw0KZG8sIHdoaWNoIGlzIGFzayBm b3IgY29uZmlybWF0aW9uIG9yIGJhaWwgb3V0IGlmIGFuIGV4aXN0aW5nIHZhbGlkIEZTDQpmb3Jt YXQgaXMgZGV0ZWN0ZWQgb24gdGhlIGRpc2suDQoNClRoYXQgc2FpZCwgc3VjaCB0ZXN0IGFyZSBm YXIgZnJvbSBjb21tb24uIG1kYWRtIGZvciBpbnN0YW5jZSB3aWxsDQpoYXBwaWx5IGZvcm1hdCBh bmQgc3RhcnQgYW4gYXJyYXkgdXNpbmcgdW5tb3VudGVkIGRpc2tzIHdpdGggdmFsaWQgZmlsZQ0K c3lzdGVtcyBvbiB0aGVtLg0KDQo+PiAzKSBydW4gZG1zZXR1cCBmb3IgdGhlIHJlc3Qgb2YgZGV2 aWNlcw0KPiANCj4gYXV0b21hZ2ljYWxseSBydW5uaW5nIGRtc2V0dXAgZGlyZWN0bHkgZnJvbSB1 ZGV2IHRvIGNyZWF0ZSBhIGRtLXpvbmVkDQo+IHRhcmdldCBpcyB2ZXJ5IG11Y2ggd3JvbmcuICBJ dCBqdXN0IGdldHMgaW4gdGhlIHdheSBvZiBwcm9wZXIgc3VwcG9ydA0KPiB0aGF0IHNob3VsZCBi ZSBhZGQgdG8gYXBwcm9wcmlhdGUgdG9vbHMgdGhhdCBhZG1pbnMgdXNlIHRvIHNldHVwIHRoZWly DQo+IHpvbmVkIGRldmljZXMuICBGb3IgaW5zdGFuY2UsIHBlcnNpc3RlbnQgdXNlIG9mIGRtLXpv bmVkIHRhcmdldCBzaG91bGQNCj4gYmUgbWFkZSByZWxpYWJsZSB3aXRoIGEgdm9sdW1lIG1hbmFn ZXIuLg0KPiANCj4gSW4gZ2VuZXJhbCB0aGlzIHVkZXYgc2NyaXB0IGlzIHVud2VsY29tZSBhbmQg bWFrZXMgdGhpbmdzIHdheSB3b3JzZSBmb3INCj4gdGhlIGxvbmctdGVybSBzdWNjZXNzIG9mIHpv bmVkIGRldmljZXMuDQo+IA0KPiBJIGRvbid0IGRpc3B1dGUgdGhlcmUgaXMgYW4gb2J2aW91cyB2 b2lkIGZvciBob3cgdG8gcHJvcGVybHkgc2V0dXAgem9uZWQNCj4gZGV2aWNlcywgYnV0IHRoaXMg c2NyaXB0IGlzIF9ub3RfIHdoYXQgc2hvdWxkIGZpbGwgdGhhdCB2b2lkLg0KDQpGYWlyIHBvaW50 cy4gSSBhZ3JlZSB0aGF0IGl0IGlzIGhhY2tpc2guIFRoZSBpbnRlbnQgd2FzIGFzIHlvdSBzYXkg dG8NCnRlbXBvcmFyaWx5IGZpbGwgYSB2b2lkLiBCdXQgZ3JhbnRlZCwgdGVtcG9yYXJ5IGhhY2tz IHRlbmQgdG8gc3RheSAodG9vKQ0KbG9uZyBhcm91bmQgYW5kIGNhbiBpbiB0aGUgZW5kIGdldCBp biB0aGUgd2F5IG9mIGNsZWFuIHNvbHV0aW9ucy4gSSB3aWxsDQpzdGFydCBsb29raW5nIGludG8g YSBwcm9wZXIgZml4IGZvciBkbS16b25lZCBzZXR1cCBwZXJzaXN0ZW5jZS4NCg0KPiBTbyBhIGhl YXJ0ZmVsdDoNCj4gDQo+IE5hY2tlZC1ieTogTWlrZSBTbml0emVyIDxzbml0emVyQHJlZGhhdC5j b20+DQoNClVuZGVyc3Rvb2QuIEkgd2lsbCByZXZlcnQgYW5kIG5vdCBkb2N1bWVudCB0aGlzIHVk ZXYgcnVsZSBpbg0KZG0tem9uZWQtdG9vbHMuIEkgd2FzIGEgbGl0dGxlIHRvbyBxdWljayBpbiBh cHBseWluZyB0aGlzIHBhdGNoIGFuZCBkaWQNCm5vdCB3YWl0IHRvIHNlZSBjb21tZW50cyBmaXJz dC4gTXkgYmFkLg0KDQpUaGFuayB5b3UgZm9yIHlvdXIgY29tbWVudHMuDQoNCkJlc3QgcmVnYXJk cy4NCg0KLS0gDQpEYW1pZW4gTGUgTW9hbCwNCldlc3Rlcm4gRGlnaXRhbA==