From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "hch@lst.de" CC: "linux-block@vger.kernel.org" , "axboe@kernel.dk" , "ming.lei@redhat.com" , "linux-scsi@vger.kernel.org" , "josef@toxicpanda.com" , "lduncan@suse.com" , "tj@kernel.org" , "keith.busch@intel.com" , "cleech@redhat.com" Subject: Re: [PATCH 03/14] blk-mq: Remove generation seqeunce Date: Mon, 4 Jun 2018 14:13:12 +0000 Message-ID: <9308aaa2af8e8ecad764f8568586a6e91e91b357.camel@wdc.com> References: <20180529135239.27005-1-hch@lst.de> <20180529135239.27005-4-hch@lst.de> <20180604134245.GA31895@lst.de> In-Reply-To: <20180604134245.GA31895@lst.de> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gTW9uLCAyMDE4LTA2LTA0IGF0IDE1OjQyICswMjAwLCBoY2hAbHN0LmRlIHdyb3RlOg0KPiBP biBNb24sIEp1biAwNCwgMjAxOCBhdCAwNjo1NjoyMkFNICswMDAwLCBCYXJ0IFZhbiBBc3NjaGUg d3JvdGU6DQo+ID4gQ2FuIHlvdSBleHBsYWluIHdoeSB5b3UgcHJlZmVyIHRoaXMgYXBwcm9hY2g/ IEkgdGhpbmsgdGhpcyBwYXRjaCBpbnRyb2R1Y2VzDQo+ID4gbW9yZSBuZXcgYXRvbWljIG9wZXJh dGlvbnMgaW4gdGhlIGhvdCBwYXRoIHRoYW4gdGhlIGFwcHJvYWNoIEkgaGFkIHByb3Bvc2VkDQo+ ID4gKCJibGstbXE6IFJld29yayBibGstbXEgdGltZW91dCBoYW5kbGluZyBhZ2FpbiIpLiBJbiBv dGhlciB3b3JkcywgSSB0aGluayB0aGUNCj4gPiBwYXRjaCB0aGF0IEkgaGFkIHByb3Bvc2VkIHdp bGwgeWllbGQgYmV0dGVyIHBlcmZvcm1hbmNlLg0KPiANCj4gUHJpbWFyaWx5IGJlY2F1c2UgdGhl IGdlbmVyYXRpb24gY291bnRlciBpcyBmdW5kYW1lbnRhbGx5IHRoZSB3cm9uZw0KPiB0aGluZyB0 byBkby4gIElmIHdlIGtub3cgdGhlIHRhZyBoYXMgc29tZSBwZW5kaW5nIGFjdGlvbiBvbiBpdCB3 ZQ0KPiBzaG91bGQgbm90IHJldXNlIGl0IGluc3RlZCBvZiB3b3JraW5nIGFyb3VuZCByYWNlcyB0 aGF0IHN0ZW0gZnJvbSB0aGUNCj4gZmFjdCB0aGF0IHdlIHJldXNlIGl0Lg0KDQpXZSBtYXkgZWFj aCBoYXZlIGEgZGlmZmVyZW50IG9waW5pb24gYWJvdXQgdGhpcy4gQW55d2F5LCBsZXQncyBub3Qg Z2V0DQpkaXN0cmFjdGVkIGJ5IGEgZGlzY3Vzc2lvbiBhYm91dCB0aGVvcmV0aWNhbCBhcmd1bWVu dHMuDQoNCj4gV2UgY2FuIGxvb2sgYXQgdGhlIHBlcmZvcm1hbmNlIG51bWJlcnMgYW5kIHR1bmUg YXMgbmVlZGVkLCBidXQgZm9yIG5vdw0KPiB3ZSBuZWVkIHRvIGdldCB0aGUgaGlnaCBsZXZlbCBh cHByb2FjaCByaWdodCBmaXJzdC4gIEkgdGhpbmsgb25jZQ0KPiB3ZSd2ZSBkb25lIGEgcHJvcGVy IGF1ZGl0IG9mIHRoZSBTQ1NJIEVIIGNvZGUgYW5kIGJsa19hYm9ydF9yZXF1ZXN0DQo+IHVzZXJz IHdlIGNhbiBwcm9iYWJseSBkcm9wIHRoZSBjbXB4Y2hnIGFuZCBvbmx5IGhhdmUgYSBzaW5nbGUN Cj4gYXRvbWljX2RlY19hbmRfdGVzdCBsZWZ0LCB3aGljaCBpbiB0ZXJtcyBvZiBhdG9taWMgb3Bl cmF0aW9ucyBpc24ndA0KPiB0aGUgd29ybGQuDQoNCkkgdGhpbmsgdGhhdCB0aGUgcmFjZSBiZXR3 ZWVuIHJlcXVlc3QgY29tcGxldGlvbiBhbmQgcmVxdWVzdCB0aW1lb3V0DQpoYW5kbGluZyBpcyBm dW5kYW1lbnRhbCBzbyBJJ20gbm90IHN1cmUgdGhhdCBpdCBpcyBwb3NzaWJsZSB0byBlbGltaW5h dGUNCnRoZSBjbXB4Y2hnKCkgY2FsbHMuIEFkZGl0aW9uYWxseSwgZXZlbiBpZiB0aGUgY21weGNo ZygpIGNhbGxzIHdvdWxkIGJlDQplbGltaW5hdGVkLCBzdHJ1Y3QgcmVxdWVzdCB3aWxsIHN0aWxs IGhhdmUgdHdvIHZhcmlhYmxlcyB0aGF0IHJlcHJlc2VudA0KdGhlIHJlcXVlc3Qgc3RhdGUgKHJx LT5zdGF0ZSBhbmQgcnEtPnJlZikgYW5kIHRoYXQgYXJlIHVwZGF0ZWQgc2VwYXJhdGVseS4NCldp dGggbXkgYXBwcm9hY2ggYWxsIHJlcXVlc3Qgc3RhdGUgaW5mb3JtYXRpb24gaXMgc3RvcmVkIGlu IGEgc2luZ2xlDQp2YXJpYWJsZSB3aGljaCBtYWtlcyBpdCBlYXN5IHRvIHVwZGF0ZSB0aGUgaW5k aXZpZHVhbCBmaWVsZHMgb2YgdGhhdA0KdmFyaWFibGUgc2ltdWx0YW5lb3VzbHkuDQoNCkJhcnQu