From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa5.hgst.iphmx.com ([216.71.153.144]:38014 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752217AbdLDWuF (ORCPT ); Mon, 4 Dec 2017 17:50:05 -0500 From: Bart Van Assche To: "ming.lei@redhat.com" CC: "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "hch@infradead.org" , "martin.petersen@oracle.com" , "linux-scsi@vger.kernel.org" , "axboe@fb.com" , "hare@suse.com" , "jejb@linux.vnet.ibm.com" Subject: Re: [PATCH] SCSI: delay run queue if device is blocked in scsi_dev_queue_ready() Date: Mon, 4 Dec 2017 22:49:55 +0000 Message-ID: <1512427794.2795.15.camel@wdc.com> References: <20171202163150.1273-1-ming.lei@redhat.com> <1512400159.23838.1.camel@wdc.com> <20171204224507.GB6888@ming.t460p> In-Reply-To: <20171204224507.GB6888@ming.t460p> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org T24gVHVlLCAyMDE3LTEyLTA1IGF0IDA2OjQ1ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gT24g TW9uLCBEZWMgMDQsIDIwMTcgYXQgMDM6MDk6MjBQTSArMDAwMCwgQmFydCBWYW4gQXNzY2hlIHdy b3RlOg0KPiA+IE9uIFN1biwgMjAxNy0xMi0wMyBhdCAwMDozMSArMDgwMCwgTWluZyBMZWkgd3Jv dGU6DQo+ID4gPiBGaXhlczogMGRmMjFjODZiZGJmICgic2NzaTogaW1wbGVtZW50IC5nZXRfYnVk Z2V0IGFuZCAucHV0X2J1ZGdldCBmb3IgYmxrLW1xIikNCj4gPiANCj4gPiBJdCBtaWdodCBiZSBz YWZlciB0byByZXZlcnQgY29tbWl0IDBkZjIxYzg2YmRiZiBpbnN0ZWFkIG9mIHRyeWluZyB0byBm aXggYWxsDQo+ID4gaXNzdWVzIGludHJvZHVjZWQgYnkgdGhhdCBjb21taXQgZm9yIGtlcm5lbCB2 ZXJzaW9uIHY0LjE1IC4uLg0KPiANCj4gV2hhdCBhcmUgYWxsIGlzc3VlcyBpbiB2NC4xNS1yYz8g VXAgdG8gbm93LCBpdCBpcyB0aGUgb25seSBpc3N1ZSByZXBvcnRlZCwNCj4gYW5kIGNhbiBiZSBm aXhlZCBieSB0aGlzIHNpbXBsZSBwYXRjaCwgd2hpY2ggb25lIGNhbiBiZSB0aG91Z2h0IGFzIGNs ZWFudXANCj4gdG9vLg0KDQpUaGUgdGhyZWUgaXNzdWVzIEkgZGVzY3JpYmVkIGluIHRoZSBjb21t aXQgbWVzc2FnZSBvZiB0aGUgcGF0Y2ggdGhhdCBpcyBhdmFpbGFibGUgYXQ6DQpodHRwczovL21h cmMuaW5mby8/bD1saW51eC1ibG9jayZtPTE1MTI0MDg2NjAxMDU3Mi4NCg0KQmFydC4=