From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "ming.lei@redhat.com" CC: "hch@lst.de" , "hare@suse.com" , "jthumshirn@suse.de" , "linux-block@vger.kernel.org" , "oleksandr@natalenko.name" , "martin.petersen@oracle.com" , "axboe@kernel.dk" Subject: Re: [PATCH v4 7/7] block: Make SCSI device suspend and resume work reliably Date: Mon, 25 Sep 2017 23:13:47 +0000 Message-ID: <1506381226.2641.60.camel@wdc.com> References: <20170925202924.16603-1-bart.vanassche@wdc.com> <20170925202924.16603-8-bart.vanassche@wdc.com> <20170925225911.GC18137@ming.t460p> In-Reply-To: <20170925225911.GC18137@ming.t460p> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gVHVlLCAyMDE3LTA5LTI2IGF0IDA2OjU5ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gT24g TW9uLCBTZXAgMjUsIDIwMTcgYXQgMDE6Mjk6MjRQTSAtMDcwMCwgQmFydCBWYW4gQXNzY2hlIHdy b3RlOg0KPiA+ICtpbnQgYmxrX3F1ZXVlX2VudGVyKHN0cnVjdCByZXF1ZXN0X3F1ZXVlICpxLCBi b29sIG5vd2FpdCwgYm9vbCBwcmVlbXB0KQ0KPiA+ICB7DQo+ID4gIAl3aGlsZSAodHJ1ZSkgew0K PiA+ICAJCWludCByZXQ7DQo+ID4gIA0KPiA+IC0JCWlmIChwZXJjcHVfcmVmX3RyeWdldF9saXZl KCZxLT5xX3VzYWdlX2NvdW50ZXIpKQ0KPiA+IC0JCQlyZXR1cm4gMDsNCj4gPiArCQlpZiAocGVy Y3B1X3JlZl90cnlnZXRfbGl2ZSgmcS0+cV91c2FnZV9jb3VudGVyKSkgew0KPiA+ICsJCQkvKg0K PiA+ICsJCQkgKiBTaW5jZSBzZXR0aW5nIHRoZSBQUkVFTVBUX09OTFkgZmxhZyBpcyBmb2xsb3dl ZA0KPiA+ICsJCQkgKiBieSBhIHN3aXRjaCBvZiBxX3VzYWdlX2NvdW50ZXIgZnJvbSBwZXItY3B1 IHRvDQo+ID4gKwkJCSAqIGF0b21pYyBtb2RlIGFuZCBiYWNrIHRvIHBlci1jcHUgYW5kIHNpbmNl IHRoZQ0KPiA+ICsJCQkgKiBzd2l0Y2ggdG8gYXRvbWljIG1vZGUgdXNlcyBjYWxsX3JjdV9zY2hl ZCgpLCBpdA0KPiA+ICsJCQkgKiBpcyBub3QgbmVjZXNzYXJ5IHRvIGNhbGwgc21wX3JtYigpIGhl cmUuDQo+ID4gKwkJCSAqLw0KPiANCj4gcmN1X3JlYWRfbG9jayBpcyBoZWxkIG9ubHkgaW5zaWRl IHBlcmNwdV9yZWZfdHJ5Z2V0X2xpdmUoKS4NCj4gDQo+IFdpdGhvdXQgb25lIGV4cGxpY2l0IGJh cnJpZXIoc21wX21iKSBiZXR3ZWVuIGdldHRpbmcgdGhlIHJlZmNvdW50ZXINCj4gYW5kIHJlYWRp bmcgdGhlIHByZWVtcHQgb25seSBmbGFnLCB0aGUgdHdvIG9wZXJhdGlvbnMod3JpdGluZyB0bw0K PiByZWZjb3VudGVyIGFuZCByZWFkaW5nIHRoZSBmbGFnKSBjYW4gYmUgcmVvcmRlcmVkLCBzbw0K PiB1bmZyZWV6ZS91bmZyZWV6ZSBtYXkgYmUgY29tcGxldGVkIGJlZm9yZSB0aGlzIElPIGlzIGNv bXBsZXRlZC4NCg0KU29ycnkgYnV0IEkgZGlzYWdyZWUuIEknbSB1c2luZyBSQ1UgdG8gYWNoaWV2 ZSB0aGUgc2FtZSBlZmZlY3QgYXMgYSBiYXJyaWVyDQphbmQgdG8gbW92ZSB0aGUgY29zdCBvZiB0 aGUgYmFycmllciBmcm9tIHRoZSByZWFkZXIgdG8gdGhlIHVwZGF0ZXIuIFNlZSBhbHNvDQpQYXVs IEUuIE1jS2VubmV5LCBNYXRoaWV1IERlc25veWVycywgTGFpIEppYW5nc2hhbiwgYW5kIEpvc2gg VHJpcGxldHQsDQpUaGUgUkNVLWJhcnJpZXIgbWVuYWdlcmllLCBMV04ubmV0LCBOb3ZlbWJlciAx MiwgMjAxMw0KKGh0dHBzOi8vbHduLm5ldC9BcnRpY2xlcy81NzM0OTcvKS4NCg0KQmFydC4=