From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "ming.lei@redhat.com" CC: "jthumshirn@suse.de" , "linux-block@vger.kernel.org" , "hch@lst.de" , "martin.petersen@oracle.com" , "axboe@kernel.dk" , "oleksandr@natalenko.name" , "hare@suse.com" , "mcgrof@kernel.org" Subject: Re: [PATCH v6 9/9] block, scsi: Make SCSI device suspend and resume work reliably Date: Mon, 9 Oct 2017 21:42:33 +0000 Message-ID: <1507585352.2674.56.camel@wdc.com> References: <20171005000110.15904-1-bart.vanassche@wdc.com> <20171005000110.15904-10-bart.vanassche@wdc.com> <20171007043314.GA16732@ming.t460p> <1507583812.2674.52.camel@wdc.com> In-Reply-To: <1507583812.2674.52.camel@wdc.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gTW9uLCAyMDE3LTEwLTA5IGF0IDE0OjE2IC0wNzAwLCBCYXJ0IFZhbiBBc3NjaGUgd3JvdGU6 DQo+IE9uIFNhdCwgMjAxNy0xMC0wNyBhdCAxMjozMyArMDgwMCwgTWluZyBMZWkgd3JvdGU6DQo+ ID4gT24gV2VkLCBPY3QgMDQsIDIwMTcgYXQgMDU6MDE6MTBQTSAtMDcwMCwgQmFydCBWYW4gQXNz Y2hlIHdyb3RlOg0KPiA+ID4gIGludA0KPiA+ID4gIHNjc2lfZGV2aWNlX3F1aWVzY2Uoc3RydWN0 IHNjc2lfZGV2aWNlICpzZGV2KQ0KPiA+ID4gIHsNCj4gPiA+ICsJc3RydWN0IHJlcXVlc3RfcXVl dWUgKnEgPSBzZGV2LT5yZXF1ZXN0X3F1ZXVlOw0KPiA+ID4gIAlpbnQgZXJyOw0KPiA+ID4gIA0K PiA+ID4gKwlibGtfbXFfZnJlZXplX3F1ZXVlKHEpOw0KPiA+ID4gKwlpZiAoYmxrX3NldF9wcmVl bXB0X29ubHkocSkpIHsNCj4gPiA+ICsJCWJsa19tcV91bmZyZWV6ZV9xdWV1ZShxKTsNCj4gPiA+ ICsJCXJldHVybiAtRUlOVkFMOw0KPiA+ID4gKwl9DQo+ID4gDQo+ID4gVGhpcyB3YXkgaXMgd3Jv bmcsIGlmIGJsa19zZXRfcHJlZW1wdF9vbmx5KCkgcmV0dXJucyB0cnVlDQo+ID4gaXQgbWVhbnMg dGhlIHF1ZXVlIGhhcyBiZWVuIGluIFBSRUVNUFRfT05MWSBhbHJlYWR5LA0KPiA+IGFuZCBmYWls aW5nIHNjc2lfZGV2aWNlX3F1aWVzY2UoKSBjYW4gYnJlYWsgc3VzcGVuZC9yZXN1bWUgb3INCj4g PiBzZW5kaW5nIFNDU0kgZG9tYWluIHZhbGlkYXRpb24gY29tbWFuZC4NCj4gDQo+IFRoYXQncyBh biBpbnRlcmVzdGluZyBjb21tZW50IGJ1dCBJIHByb3Bvc2UgdGhhdCB3aGF0IHlvdSBzdWdnZXN0 IGlzIGltcGxlbWVudGVkDQo+IHRocm91Z2ggYSBzZXBhcmF0ZSBwYXRjaC4gVGhlIGFib3ZlIGNv ZGUgcHJlc2VydmVzIHRoZSBleGlzdGluZyBiZWhhdmlvciwgbmFtZWx5DQo+IHRoYXQgc2NzaV9k ZXZpY2VfcXVpZXNjZSgpIHJldHVybnMgYW4gZXJyb3IgY29kZSBpZiBjYWxsZWQgd2hlbiBhIFND U0kgZGV2aWNlIGhhcw0KPiBhbHJlYWR5IGJlZW4gcXVpZXNjZWQuIFNlZSBhbHNvIHNjc2lfZGV2 aWNlX3NldF9zdGF0ZSgpLiBCVFcsIEkgZG9uJ3QgdGhpbmsgdGhhdA0KPiBpdCBpcyBsaWtlbHkg dGhhdCB0aGlzIHdpbGwgb2NjdXIuIFRoZSBvbmx5IGNvZGUgb3RoZXIgdGhhbiB0aGUgcG93ZXIg bWFuYWdlbWVudA0KPiBjb2RlIEkga25vdyBvZiB0aGF0IHNldHMgdGhlIFNDU0kgUVVJRVNDRSBz dGF0ZSBpcyB0aGUgU0NTSSBzeXNmcyBzdGF0ZSBzdG9yZQ0KPiBtZXRob2QgYW5kIHRoZSBTQ1NJ IHBhcmFsbGVsIGNvZGUuIEkgZG9uJ3Qga25vdyBhbnkgc29mdHdhcmUgdGhhdCBzZXRzIHRoZSBT Q1NJDQo+IFFVSUVTQ0Ugc3RhdGUgdGhyb3VnaCBzeXNmcy4gQW5kIEknbSBub3Qgc3VyZSB0aGUg U0NTSSBwYXJhbGxlbCBjb2RlIGhhcyBhDQo+IHNpZ25pZmljYW50IG51bWJlciBvZiB1c2Vycy4N Cg0KQSBjb3JyZWN0aW9uOiB0aGUgY3VycmVudCBiZWhhdmlvciB3aGVuIHF1aWVzY2luZyBhbiBh bHJlYWR5IHF1aWVzY2VkIGRldmljZSBpcw0KdGhhdCBzY3NpX2RldmljZV9xdWllc2NlKCkgcmV0 dXJucyAwIHdpdGhvdXQgY2hhbmdpbmcgYW55IHN0YXRlLiBBbnl3YXksIEkgcHJvcG9zZQ0KdG8g a2VlcCB0aGF0IGJlaGF2aW9yIGFuZCBub3QgdG8gYWRkIG1vcmUgY29tcGxleGl0eSBub3cuDQoN CkJhcnQu