From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa5.hgst.iphmx.com ([216.71.153.144]:27788 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751673AbdIOUtp (ORCPT ); Fri, 15 Sep 2017 16:49:45 -0400 From: Bart Van Assche To: "snitzer@redhat.com" CC: "dm-devel@redhat.com" , "hch@infradead.org" , "linux-block@vger.kernel.org" , "axboe@fb.com" , "ming.lei@redhat.com" , "loberman@redhat.com" Subject: Re: [PATCH 2/5] dm-mpath: return DM_MAPIO_REQUEUE in case of rq allocation failure Date: Fri, 15 Sep 2017 20:48:56 +0000 Message-ID: <1505508534.2417.9.camel@wdc.com> References: <20170915164456.9803-1-ming.lei@redhat.com> <20170915164456.9803-3-ming.lei@redhat.com> <1505496592.3420.10.camel@wdc.com> <20170915200655.GA28136@redhat.com> In-Reply-To: <20170915200655.GA28136@redhat.com> 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 T24gRnJpLCAyMDE3LTA5LTE1IGF0IDE2OjA2IC0wNDAwLCBNaWtlIFNuaXR6ZXIgd3JvdGU6DQo+ IFRoZSBwcm9ibGVtIGlzIHRoYXQgbXVsdGlwYXRoX2Nsb25lX2FuZF9tYXAoKSBpcyBub3cgdHJl YXRlZCBhcyBjb21tb24NCj4gY29kZSAodGhhbmtzIHRvIGJvdGggYmxrLW1xIGFuZCBvbGQgLnJl cXVlc3RfZm4gbm93IGVuam95aW5nIHRoZSB1c2Ugb2YNCj4gYmxrX2dldF9yZXF1ZXN0KSBCVVQ6 IE1pbmcgcGxlYXNlIHVuZGVyc3RhbmQgdGhhdCB0aGlzIGNvZGUgaXMgdXNlZCBieQ0KPiBvbGQg LnJlcXVlc3RfZm4gdG9vLiAgU28gaXQgd291bGQgc2VlbSB0aGF0IHRoZSB1c2Ugb2YNCj4gRE1f TUFQSU9fREVMQVlfUkVRVUVVRSB2cyBETV9NQVBJT19SRVFVRVVFIG5lZWRzIHRvIGJlIGJhc2Vk IG9uIGRtLXNxIHZzDQo+IGRtLW1xLg0KDQpIZWxsbyBNaWtlLA0KDQpNeSBwcm9wb3NhbCBpcyB0 byBsZWF2ZSBvdXQgcGF0Y2hlcyAxIGFuZCAyIGVudGlyZWx5LiBTaW5jZSB0aGUgU0NTSSBjb3Jl DQpjYWxscyBibGtfbXFfcnVuX2h3X3F1ZXVlcygpIGFueXdheSBhZnRlciBhIHJlcXVlc3QgaGFz IGZpbmlzaGVkIGl0IGlzIG5vdA0KY2xlYXIgdG8gbWUgd2hhdCB0aGUgbW90aXZhdGlvbiB3YXMg YmVoaW5kIHRoZSBkZXZlbG9wbWVudCBvZiBwYXRjaGVzIDEgYW5kDQoyIGluIHRoaXMgc2VyaWVz LiBJZiB0aGUgZ29hbCB3YXMgdG8gcmVydW4gYSBxdWV1ZSBhZnRlciBhIHJlcXVlc3QgaGFzDQpm aW5pc2hlZCBJIHRoaW5rIHRoZSBzYW1lIGFwcHJvYWNoIHNob3VsZCBiZSB0YWtlbiBmb3IgZG0g YXMgZm9yIHRoZSBTQ1NJDQpjb3JlLCBuYW1lbHkgdG8gcnVuIHRoZSBxdWV1ZSBmcm9tIGluc2lk ZSB0aGUgZW5kX2lvIGNhbGxiYWNrLg0KDQpCYXJ0Lg==