From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "kent.overstreet@gmail.com" CC: "hch@lst.de" , "linux-block@vger.kernel.org" , "axboe@kernel.dk" Subject: Re: [PATCH] Revert "block: Add warning for bi_next not NULL in bio_endio()" Date: Tue, 5 Jun 2018 14:38:23 +0000 Message-ID: References: <20180522235505.20937-1-bart.vanassche@wdc.com> <20180523013020.GA12391@kmo-pixel> <65261494f966d140a7542fb1533a4dd2f7fd02a1.camel@wdc.com> <20180523021607.GB12391@kmo-pixel> <20180604224143.GC30325@kmo-pixel> In-Reply-To: <20180604224143.GC30325@kmo-pixel> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gTW9uLCAyMDE4LTA2LTA0IGF0IDE4OjQxIC0wNDAwLCBLZW50IE92ZXJzdHJlZXQgd3JvdGU6 DQo+IE9uIE1vbiwgSnVuIDA0LCAyMDE4IGF0IDA4OjU5OjM5QU0gKzAwMDAsIEJhcnQgVmFuIEFz c2NoZSB3cm90ZToNCj4gPiBQbGVhc2UgY29tbWVudCBvdXQgdGhlIGdldHVpZF9jYWxsb3V0IGxp bmUgZnJvbSAvZXRjL211bHRpcGF0aC5jb25mIGFuZCB0cnkgYWdhaW4uDQo+ID4gQ2hhbmdpbmcg dGhlICIvLi4uIiBwYXJ0IGludG8gdGhlIHBhdGggb2YgdGhlIHNycC10ZXN0IHNvZnR3YXJlIHNo b3VsZCBhbHNvIGhlbHAuDQo+ID4gVGhhdCBsaW5lIGlzIGEgbGVmdC1vdmVyIGZyb20gdGhlIHRp bWUgd2hlbiB0aGUgTlZNZSBpbml0aWF0b3IgZHJpdmVycyBzdXBwb3J0ZWQNCj4gPiBkbS1tdWx0 aXBhdGguIEkgd2lsbCB1cGRhdGUgdGhlIHNycC10ZXN0IFJFQURNRS5tZCB0byBtYWtlIHRoaXMg bW9yZSBjbGVhci4NCj4gDQo+IERlbGV0ZWQgdGhhdCBsaW5lIGFuZCBpdCBzdGlsbCBkb2Vzbid0 IHdvcmsgKEkgYWxzbyB0cmllZCBmaXhpbmcgdGhhdCBsaW5lIHNvDQo+IHRoZSBwYXRoIHdhcyBj b3JyZWN0LCBidXQgZ290IHRoZSBzYW1lIG91dHB1dCBhcyB3aGF0IEkgc2VudCB5b3UgZWFybGll cikuIFdpdGgNCj4gdGhhdCBsaW5lIGRlbGV0ZWQsIHRoZSBvdXRwdXQgaXMgZGlmZmVyZW50LiB0 ZXN0IG91dHB1dCBzdGlsbCBzYXlzIFNSUCBsb2dpbg0KPiBmYWlsZWQsIHN5c2xvZyBzYXlzOg0K PiANCj4gSnVuIDA0IDE4OjM1OjMxIG1vcmlhLWt2bS1rdm0ta3ZtLWt2bS1rdm0gbXVsdGlwYXRo ZFs0NTNdOiAtLS0tLS0tLXN0YXJ0IHVwLS0tLS0tLS0NCj4gSnVuIDA0IDE4OjM1OjMxIG1vcmlh LWt2bS1rdm0ta3ZtLWt2bS1rdm0gbXVsdGlwYXRoZFs0NTNdOiByZWFkIC9ldGMvbXVsdGlwYXRo LmNvbmYNCj4gSnVuIDA0IDE4OjM1OjMxIG1vcmlhLWt2bS1rdm0ta3ZtLWt2bS1rdm0gbXVsdGlw YXRoZFs0NTNdOiBwYXRoIGNoZWNrZXJzIHN0YXJ0IHVwDQo+IEp1biAwNCAxODozNTozMSBtb3Jp YS1rdm0ta3ZtLWt2bS1rdm0ta3ZtIG11bHRpcGF0aGRbNDUzXTogc2RhOiBmYWlsIHRvIGdldCBz ZXJpYWwNCj4gSnVuIDA0IDE4OjM1OjMxIG1vcmlhLWt2bS1rdm0ta3ZtLWt2bS1rdm0gbXVsdGlw YXRoZFs0NTNdOiBzZGI6IGZhaWwgdG8gZ2V0IHNlcmlhbA0KPiBKdW4gMDQgMTg6MzU6MzEgbW9y aWEta3ZtLWt2bS1rdm0ta3ZtLWt2bSBtdWx0aXBhdGhkWzQ1M106IG5iZDA6IEhESU9fR0VUR0VP IGZhaWxlZCB3aXRoIDI1DQo+IEp1biAwNCAxODozNTozMSBtb3JpYS1rdm0ta3ZtLWt2bS1rdm0t a3ZtIG11bHRpcGF0aGRbNDUzXTogbmJkMDogZmFpbGVkIHRvIGdldCB1ZGV2IHVpZDogSW52YWxp ZCBhcmd1bWVudA0KPiBKdW4gMDQgMTg6MzU6MzEgbW9yaWEta3ZtLWt2bS1rdm0ta3ZtLWt2bSBt dWx0aXBhdGhkWzQ1M106IG5iZDE6IEhESU9fR0VUR0VPIGZhaWxlZCB3aXRoIDI1DQo+IEp1biAw NCAxODozNTozMSBtb3JpYS1rdm0ta3ZtLWt2bS1rdm0ta3ZtIG11bHRpcGF0aGRbNDUzXTogbmJk MTogZmFpbGVkIHRvIGdldCB1ZGV2IHVpZDogSW52YWxpZCBhcmd1bWVudA0KPiBKdW4gMDQgMTg6 MzU6MzEgbW9yaWEta3ZtLWt2bS1rdm0ta3ZtLWt2bSBtdWx0aXBhdGhkWzQ1M106IG5iZDEwOiBI RElPX0dFVEdFTyBmYWlsZWQgd2l0aCAyNQ0KDQpUaGFua3MgZm9yIGhhdmluZyBzaGFyZWQgdGhp cyBvdXRwdXQuIEluIHRoZSBtdWx0aXBhdGhkIHNvdXJjZSBjb2RlIEkgZm91bmQgdGhhdA0KdGhl IGVycm9yIG1lc3NhZ2UgImZhaWwgdG8gZ2V0IHNlcmlhbCIgaXMgcHJvZHVjZWQgYnkgdGhlIGZv bGxvd2luZyBjb2RlOg0KDQoJaWYgKGdldF92cGRfc3lzZnMocGFyZW50LCAweDgwLCBwcC0+c2Vy aWFsLCBTRVJJQUxfU0laRSkgPD0gMCkgew0KCQlpZiAoZ2V0X3NlcmlhbChwcC0+c2VyaWFsLCBT RVJJQUxfU0laRSwgcHAtPmZkKSkgew0KCQkJY29uZGxvZygyLCAiJXM6IGZhaWwgdG8gZ2V0IHNl cmlhbCIsIHBwLT5kZXYpOw0KCQkJcmV0dXJuIDA7DQoJCX0NCgl9DQoNClRoZSBtZXNzYWdlICJm YWlsIHRvIGdldCBzZXJpYWwiIGlzIG9ubHkgbG9nZ2VkIGlmIHJlYWRpbmcNCi9zeXMvY2xhc3Mv c2NzaV9kZXZpY2UvKi8qLyovKi92cGRfcGc4MCBmYWlscyAqYW5kKiBzdWJtaXR0aW5nIGEgU0NT SSBJTlFVSVJZDQpjb21tYW5kIHRocm91Z2ggdGhlIFNHX0lPIGludGVyZmFjZSBmYWlscy4gVGhp cyBpcyBzb21ldGhpbmcgSSBoYXZlbid0IGVuY291bnRlcmVkDQpiZWZvcmUuIElzIHRoZXJlIHNv bWV0aGluZyBzcGVjaWFsIGFib3V0IHRoZSBWTT8gV2FzIGUuZy4gbXVsdGlwYXRoZCBjb25maWd1 cmVkDQp0byBydW4gYXMgYW5vdGhlciB1c2VyIHRoYW4gcm9vdD8gSGF2ZSBzb21lIHNlY3VyaXR5 IHNldHRpbmdzIGJlZW4gY29uZmlndXJlZCB0aGF0DQpwcmV2ZW50IG11bHRpcGF0aGQgZnJvbSBh Y2Nlc3Npbmcgc3lzZnMgYXR0cmlidXRlcz8gV2FzIFNDU0kgZ2VuZXJpYyBzdXBwb3J0DQpkaXNh YmxlZCAoQ0hSX0RFVl9TRyk/DQoNClRoYW5rcywNCg0KQmFydC4NCg0KDQoNCg==