From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa5.hgst.iphmx.com ([216.71.153.144]:39609 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751566AbdKAQrK (ORCPT ); Wed, 1 Nov 2017 12:47:10 -0400 From: Bart Van Assche To: "ming.lei@redhat.com" CC: "hch@infradead.org" , "roman.penyaev@profitbricks.com" , "linux-block@vger.kernel.org" , "osandov@fb.com" , "axboe@fb.com" , "hare@suse.com" Subject: Re: [PATCH V2 0/2] block: remove unnecessary RESTART Date: Wed, 1 Nov 2017 16:47:06 +0000 Message-ID: <1509554825.2530.32.camel@wdc.com> References: <20171027044330.11921-1-ming.lei@redhat.com> <1509079996.3244.3.camel@wdc.com> <20171027053834.GA12858@ming.t460p> <1509395096.27259.15.camel@wdc.com> <20171031014728.GA12070@ming.t460p> <1509508448.2604.4.camel@wdc.com> <20171101040755.GB9527@ming.t460p> In-Reply-To: <20171101040755.GB9527@ming.t460p> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org T24gV2VkLCAyMDE3LTExLTAxIGF0IDEyOjA4ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gT24g V2VkLCBOb3YgMDEsIDIwMTcgYXQgMDM6NTQ6MDlBTSArMDAwMCwgQmFydCBWYW4gQXNzY2hlIHdy b3RlOg0KPiA+IE9uIFR1ZSwgMjAxNy0xMC0zMSBhdCAwOTo0NyArMDgwMCwgTWluZyBMZWkgd3Jv dGU6DQo+ID4gPiBPbiBNb24sIE9jdCAzMCwgMjAxNyBhdCAwODoyNDo1N1BNICswMDAwLCBCYXJ0 IFZhbiBBc3NjaGUgd3JvdGU6DQo+ID4gPiA+IE9uIEZyaSwgMjAxNy0xMC0yNyBhdCAxMzozOCAr MDgwMCwgTWluZyBMZWkgd3JvdGU6DQo+ID4gPiA+ID4gT24gRnJpLCBPY3QgMjcsIDIwMTcgYXQg MDQ6NTM6MThBTSArMDAwMCwgQmFydCBWYW4gQXNzY2hlIHdyb3RlOg0KPiA+ID4gPiA+ID4gT24g RnJpLCAyMDE3LTEwLTI3IGF0IDEyOjQzICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gPiA+ID4g PiA+ID4gVGhlIDFzdCBwYXRjaCByZW1vdmVzIHRoZSBSRVNUQVJUIGZvciBUQUctU0hBUkVEIGJl Y2F1c2UgU0NTSSBoYW5kbGVzIGl0DQo+ID4gPiA+ID4gPiA+IGJ5IGl0c2VsZiwgYW5kIG5vdCBu ZWNlc3NhcnkgdG8gd2FzdGUgQ1BVIHRvIGRvIHRoZSBleHBlbnNpdmUgUkVTVEFSVC4NCj4gPiA+ ID4gPiA+ID4gQW5kIFJvbWFuIFBlbiByZXBvcnRlZCB0aGF0IHRoaXMgUkVTVEFSVCBjdXRzIGhh bGYgb2YgSU9QUyBpbiBoaXMgY2FzZS4NCj4gPiA+ID4gPiA+ID4gDQo+ID4gPiA+ID4gPiA+IFRo ZSAybmQgcGF0Y2ggcmVtb3ZlcyB0aGUgUkVTVEFSVCB3aGVuIC5nZXRfYnVkZ2V0IHJldHVybnMg QkxLX1NUU19SRVNPVVJDRSwNCj4gPiA+ID4gPiA+ID4gYW5kIHRoaXMgUkVTVEFSVCBpcyBoYW5k bGVkIGJ5IFNDU0kncyBSRVNUQVJUKHNjc2lfZW5kX3JlcXVlc3QoKSkgdG9vLg0KPiA+ID4gPiA+ ID4gDQo+ID4gPiA+ID4gPiBUaGVyZSBhcmUgbW9yZSBibG9jayBkcml2ZXJzIHRoYW4gdGhlIFND U0kgY29yZSB0aGF0IHNoYXJlIHRhZ3MuIElmIHRoZQ0KPiA+ID4gPiA+IA0KPiA+ID4gPiA+IENv dWxkIHlvdSBzaGFyZSB1cyB3aGF0IHRoZSBvdGhlciBpbi10cmVlIGRyaXZlciB3aGljaCBzaGFy ZSB0YWdzIGlzPw0KPiA+ID4gPiANCj4gPiA+ID4gSSB0aGluayB0aGUgZm9sbG93aW5nIGluLXRy ZWUgZHJpdmVycyBzdXBwb3J0IHNoYXJlZCB0YWdzIChpbiBhbHBoYWJldGljYWwNCj4gPiA+ID4g b3JkZXIpOg0KPiA+ID4gPiAqIG51bGxfYmxrLiBTZWUgYWxzbyB0aGUgc2hhcmVkX3RhZ3Mga2Vy bmVsIG1vZHVsZSBwYXJhbWV0ZXIuDQo+ID4gPiA+ICogbnZtZS4gU2VlIGFsc28gbnZtZV9hbGxv Y19ucygpLg0KPiA+ID4gPiAqIHNjc2ktbXEuDQo+ID4gPiANCj4gPiA+IEZvciBib3RoIG51bGxf YmxrIGFuZCBudm1lLCB3ZSBkb24ndCBuZWVkIHRvIGRlYWwgd2l0aCBjcm9zcy1xdWV1ZSBSRVNU QVJULA0KPiA+ID4gYmVjYXVzZSBCTEtfTVFfU19UQUdfV0FJVElORyBoYXMgaGFuZGxlZCBpdCBh bHJlYWR5Lg0KPiA+IA0KPiA+IGJsa19tcV9kaXNwYXRjaF93YWl0X2FkZCgpIHJldHVybnMgaW1t ZWRpYXRlbHkgaWYgQkxLX01RX1NfVEFHX1dBSVRJTkcgaXMNCj4gPiBhbHJlYWR5IHNldC4gQXJl IHlvdSByZWFsbHkgc3VyZSB0aGF0IHJlbW92aW5nIHRoZSByZXN0YXJ0IG1lY2hhbmlzbSBkb2Vz bid0DQo+ID4gYnJlYWsgdGhlIE5WTWUgZHJpdmVyIGlmIHRoZXJlIGFyZSBtdWx0aXBsZSBuYW1l c3BhY2VzPz4gDQo+IElmIHRoaXMgZmxhZyBpcyBzZXQsIHRoYXQgbWVhbnMgYmxrX21xX2Rpc3Bh dGNoX3dha2UoKSB3aWxsIGJlIHJ1biB3aGVuDQo+IGRyaXZlciB0YWcgaXMgYXZhaWxhYmxlLCBz byB0aGUgaHcgcXVldWUgd2lsbCBiZSBydW4gYXQgdGhhdCB0aW1lLg0KDQpUaGUgb25seSBodyBx dWV1ZSB0aGF0IHdpbGwgYmUgcmVydW4gaWYgQkxLX01RX1NfVEFHX1dBSVRJTkcgaXMgc2V0IGlz IHRoZSBodw0KcXVldWUgZm9yIHdoaWNoIHRoYXQgZmxhZyB3YXMgc2V0LiBTb3JyeSBidXQgSSBk b24ndCB0aGluayB0aGF0IG1lY2hhbmlzbSBieQ0KaXRzZWxmIGlzIHN1ZmZpY2llbnQgdG8gYXZv aWQgcXVldWUgbG9ja3VwcyB3aXRoIHRoZSBOVk1lIGRyaXZlciBpbiBjYXNlIG9mDQpzaGFyZWQg bmFtZXNwYWNlcy4gU2VlIGFsc28gdGhlIGRlc2NyaXB0aW9uIG9mIGNvbW1pdCBkYTU1ZjJjYzc4 NDEgKCJibGstbXE6DQp1c2Ugc2JxIHdhaXQgcXVldWVzIGluc3RlYWQgb2YgcmVzdGFydCBmb3Ig ZHJpdmVyIHRhZ3MiKS4NCg0KQmFydC4=