From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "jthumshirn@suse.de" CC: "hch@lst.de" , "linux-block@vger.kernel.org" , "hare@suse.de" , "axboe@kernel.dk" , "ming.lei@redhat.com" Subject: Re: [PATCH 04/11] block: Protect queue flag changes with the queue lock Date: Thu, 1 Mar 2018 15:19:08 +0000 Message-ID: <1519917546.3204.4.camel@wdc.com> References: <20180228192823.5191-1-bart.vanassche@wdc.com> <20180228192823.5191-5-bart.vanassche@wdc.com> <20180301085137.6g3hgobf6kj2bosy@linux-x5ow.site> In-Reply-To: <20180301085137.6g3hgobf6kj2bosy@linux-x5ow.site> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gVGh1LCAyMDE4LTAzLTAxIGF0IDA5OjUxICswMTAwLCBKb2hhbm5lcyBUaHVtc2hpcm4gd3Jv dGU6DQo+IE9uIFdlZCwgRmViIDI4LCAyMDE4IGF0IDExOjI4OjE2QU0gLTA4MDAsIEJhcnQgVmFu IEFzc2NoZSB3cm90ZToNCj4gPiAgc3RhdGljIGJvb2wgYmxrX3BvbGxfc3RhdHNfZW5hYmxlKHN0 cnVjdCByZXF1ZXN0X3F1ZXVlICpxKQ0KPiA+ICB7DQo+ID4gLQlpZiAodGVzdF9iaXQoUVVFVUVf RkxBR19QT0xMX1NUQVRTLCAmcS0+cXVldWVfZmxhZ3MpIHx8DQo+ID4gLQkgICAgdGVzdF9hbmRf c2V0X2JpdChRVUVVRV9GTEFHX1BPTExfU1RBVFMsICZxLT5xdWV1ZV9mbGFncykpDQo+ID4gKwlp ZiAoYmxrX3F1ZXVlX2ZsYWdfdGVzdF9hbmRfc2V0KFFVRVVFX0ZMQUdfUE9MTF9TVEFUUywgcSkp DQo+IA0KPiBJcyB0aGlzIG9uZSByZWFsbHkgbmVlZGVkIG9yIGp1c3QgZm9yIHN5bW1ldHJ5PyBF dmVuIGlmIHNvbWV0aGluZw0KPiB3b3VsZCBjaGFuZ2UgdGhlIHF1ZXVlX2ZsYWdzIGFmdGVyIHRo ZSBmaXJzdCB0ZXN0X2JpdCgpIGNhbGwsIHRoZQ0KPiB0ZXN0X2FuZF9zZXRfYml0KCkgd291bGQg c3RpbGwgZG8gdGhlIHJpZ2h0IHRoaW5nLCB3b3VsZG4ndCBpdD8NCg0KSGVsbG8gSm9oYW5uZXMs DQoNClNpbmNlIGJsa19wb2xsX3N0YXRzX2VuYWJsZSgpIGlzIGNhbGxlZCBmcm9tIHRoZSBob3Qg cGF0aCAocG9sbGluZyBjb2RlKSBJDQp0aGluayB3ZSBuZWVkIHRoZSBvcHRpbWl6YXRpb24gb2Yg Y2FsbGluZyB0ZXN0X2JpdCgpIGJlZm9yZSBjYWxsaW5nDQp0ZXN0X2FuZF9zZXRfYml0KCkuIEkg d2lsbCByZXN0b3JlIHRoZSB0ZXN0X2JpdCgpIGNhbGwuDQoNCkJhcnQu