From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH 1/5] block: don't call blk_mq_delay_run_hw_queue() in case of BLK_STS_RESOURCE Date: Fri, 15 Sep 2017 17:57:31 +0000 Message-ID: <1505498249.3420.15.camel@wdc.com> References: <20170915164456.9803-1-ming.lei@redhat.com> <20170915164456.9803-2-ming.lei@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170915164456.9803-2-ming.lei@redhat.com> Content-Language: en-US Content-ID: Sender: linux-block-owner@vger.kernel.org To: "dm-devel@redhat.com" , "axboe@fb.com" , "ming.lei@redhat.com" , "snitzer@redhat.com" Cc: "linux-block@vger.kernel.org" , "hch@infradead.org" , "sagi@grimberg.me" , Bart Van Assche , "martin.petersen@oracle.com" , "linux-scsi@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "jejb@linux.vnet.ibm.com" , "loberman@redhat.com" List-Id: linux-scsi@vger.kernel.org T24gU2F0LCAyMDE3LTA5LTE2IGF0IDAwOjQ0ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gSWYg LnF1ZXVlX3JxKCkgcmV0dXJucyBCTEtfU1RTX1JFU09VUkNFLCBibGstbXEgd2lsbCByZXJ1bg0K PiB0aGUgcXVldWUgaW4gdGhlIHRocmVlIHNpdHVhdGlvbnM6DQo+IA0KPiAxKSBpZiBCTEtfTVFf U19TQ0hFRF9SRVNUQVJUIGlzIHNldA0KPiAtIHF1ZXVlIGlzIHJlcnVuIGFmdGVyIG9uZSBycSBp cyBjb21wbGV0ZWQsIHNlZSBibGtfbXFfc2NoZWRfcmVzdGFydCgpDQo+IHdoaWNoIGlzIHJ1biBm cm9tIGJsa19tcV9mcmVlX3JlcXVlc3QoKQ0KPiANCj4gMikgQkxLX01RX1NfVEFHX1dBSVRJTkcg aXMgc2V0DQo+IC0gcXVldWUgaXMgcmVydW4gYWZ0ZXIgb25lIHRhZyBpcyBmcmVlZA0KPiANCj4g Mykgb3RoZXJ3aXNlDQo+IC0gcXVldWUgaXMgcnVuIGltbWVkaWF0ZWx5IGluIGJsa19tcV9kaXNw YXRjaF9ycV9saXN0KCkNCj4gDQo+IFNvIGNhbGxpbmcgYmxrX21xX2RlbGF5X3J1bl9od19xdWV1 ZSgpIGluc2lkZSAucXVldWVfcnEoKSBkb2Vzbid0IG1ha2UNCj4gc2Vuc2UgYmVjYXVzZSBubyBt YXR0ZXIgaXQgaXMgY2FsbGVkIG9yIG5vdCwgdGhlIHF1ZXVlIHN0aWxsIHdpbGwgYmUNCj4gcmVy dW4gc29vbiBpbiBhYm92ZSB0aHJlZSBzaXR1YXRpb25zLCBhbmQgdGhlIGJ1c3kgcmVxIGNhbiBi ZSBkaXNwYXRjaGVkDQo+IGFnYWluLg0KDQpOQUsNCg0KQmxvY2sgZHJpdmVycyBjYWxsIGJsa19t cV9kZWxheV9ydW5faHdfcXVldWUoKSBpZiBpdCBpcyBrbm93biB0aGF0IHRoZSBxdWV1ZQ0KaGFz IHRvIGJlIHJlcnVuIGxhdGVyIGV2ZW4gaWYgbm8gcmVxdWVzdCBoYXMgY29tcGxldGVkIGJlZm9y ZSB0aGUgZGVsYXkgaGFzDQpleHBpcmVkLiBUaGlzIHBhdGNoIGJyZWFrcyBhdCBsZWFzdCB0aGUg U0NTSSBjb3JlIGFuZCB0aGUgZG0tbXBhdGggZHJpdmVycy4NCg0KQmFydC4=