From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa6.hgst.iphmx.com ([216.71.154.45]:55515 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755024AbdKAQut (ORCPT ); Wed, 1 Nov 2017 12:50:49 -0400 From: Bart Van Assche To: "roman.penyaev@profitbricks.com" CC: "hch@lst.de" , "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "hare@suse.com" , "axboe@fb.com" Subject: Re: [PATCH 1/1] [RFC] blk-mq: fix queue stalling on shared hctx restart Date: Wed, 1 Nov 2017 16:50:45 +0000 Message-ID: <1509555044.2530.35.camel@wdc.com> References: <20171018102206.26020-1-roman.penyaev@profitbricks.com> <1508435243.2429.42.camel@wdc.com> <1508529929.3029.20.camel@wdc.com> In-Reply-To: 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 T24gTW9uLCAyMDE3LTEwLTIzIGF0IDE3OjEyICswMjAwLCBSb21hbiBQZW55YWV2IHdyb3RlOg0K PiBPbiBGcmksIE9jdCAyMCwgMjAxNyBhdCAxMDowNSBQTSwgQmFydCBWYW4gQXNzY2hlIHdyb3Rl Og0KPiA+IENvbW1pdCA2ZDhjNmMwZjk3YWQgaXMgc29tZXRoaW5nIEkgY2FtZSB1cCB3aXRoIHRv IGZpeCBxdWV1ZSBsb2NrdXBzIGluIHRoZQ0KPiA+IFNDU0kgYW5kIGRtLW1xIGRyaXZlcnMuDQo+ IA0KPiBZb3UgbWVhbiBmYWlybmVzcz8gKHNvbWUgaGN0eCBnZXQgbGVzcyBhbW91bnQgb2YgY2hh bmNlcyB0byBiZSByZXN0YXJ0ZWQpLg0KPiBUaGF0J3Mgd2h5IHlvdSBuZWVkIHRvIHJlc3RhcnQg dGhlbSBpbiBSUiBmYXNoaW9uLCByaWdodD8NCg0KQ29tbWl0IDZkOGM2YzBmOTdhZCBub3Qgb25s eSBpbXByb3ZlZCBmYWlybmVzcyBidXQgYWxzbyBmaXhlZCBhIGxvY2t1cCBzY2VuYXJpby4NCkFm dGVyIGEgZHJpdmVyIHRhZyBoYXMgYmVlbiBmcmVlZCBub3Qgb25seSB0aGUgaHcgcXVldWVzIG9m IHRoZSByZXF1ZXN0IHF1ZXVlIGZvcg0Kd2hpY2ggYSByZXF1ZXN0IGNvbXBsZXRlZCBtdXN0IGJl IHJlZXhhbWluZWQgYnV0IGFsc28gdGhlIGh3IHF1ZXVlcyBhc3NvY2lhdGVkDQp3aXRoIHRoZSBv dGhlciByZXF1ZXN0IHF1ZXVlcyB0aGF0IHNoYXJlIHRoZSBzYW1lIHRhZyBzZXQuDQoNCkJhcnQu