From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kani, Toshimitsu" Subject: Re: dm stripe: add DAX support Date: Wed, 13 Jul 2016 15:03:31 +0000 Message-ID: <1468422189.8908.53.camel@hpe.com> References: <1466792610-30369-1-git-send-email-toshi.kani@hpe.com> <20160624182859.GD13898@redhat.com> <1468362104.8908.43.camel@hpe.com> <20160713020100.GA5872@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20160713020100.GA5872-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Content-Language: en-US Content-ID: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: "axboe-b10kYP2dOMg@public.gmane.org" , "snitzer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" Cc: "dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" , "linux-nvdimm-y27Ovi1pjclAfugRpC6u6w@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "agk-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" List-Id: dm-devel.ids T24gVHVlLCAyMDE2LTA3LTEyIGF0IDIyOjAxIC0wNDAwLCBNaWtlIFNuaXR6ZXIgd3JvdGU6DQo+ IE9uIFR1ZSwgSnVsIDEyIDIwMTYgYXTCoMKgNjoyMnBtIC0wNDAwLA0KPiBLYW5pLCBUb3NoaW1p dHN1IDx0b3NoaS5rYW5pQGhwZS5jb20+IHdyb3RlOg0KPiA+IE9uIEZyaSwgMjAxNi0wNi0yNCBh dCAxNDoyOSAtMDQwMCwgTWlrZSBTbml0emVyIHdyb3RlOg0KPiA+ID4gwqANCsKgOg0KPiBUaGFu a3MgZm9yIHB1dHRpbmcgdGhpcyBzdW1tYXJ5IHRvZ2V0aGVyLsKgwqBVbmZvcnR1bmF0ZWx5IG5v bmUgb2YgdGhlIERNDQo+IGNoYW5nZXMgY2FuIGJlIHF1ZXVlZCBmb3IgNC44IHVudGlsIEplbnMg dGFrZXMgdGhlIDIgYmxvY2sgY29yZSBwYXRjaGVzOg0KPiBodHRwczovL3BhdGNod29yay5rZXJu ZWwub3JnL3BhdGNoLzkxOTYwMjEvDQo+IGh0dHBzOi8vcGF0Y2h3b3JrLmtlcm5lbC5vcmcvcGF0 Y2gvOTE5NjAxOS8NCj4gDQo+IE5vdCBzdXJlIHdoYXQgdGhlIGhvbGQgdXAgYW5kL29yIGlzc3Vl IGlzIHdpdGggdGhlbS7CoMKgQnV0IEkndmUgYXNrZWQNCj4gdHdpY2UgKGFuZCBpbXBsaWNpbHR5 IGEgM3JkIHRpbWUgaGVyZSkuwqDCoEhvcGVmdWxseSB0aGV5IGxhbmQgaW4gdGltZSBmb3INCj4g NC44Lg0KDQpIaSBKZW5zLA0KDQpDYW4geW91IHRha2UgdGhlIHR3byBwYXRjaGVzIGFib3ZlPyDC oFRoZXNlIHBhdGNoZXMgYWRkIFFVRVVFX0ZMQUdfREFYIGFuZCBpdHMNCnN5c2ZzIHNob3cgZnVu Yy4gwqBUaGV5IGFsbG93IGRldmljZS1tYXBwZXIgdG8gc2V0IGRheC1jYXBhYmlsaXR5IGJhc2Vk IG9uIGl0cw0KY29uZmlndXJhdGlvbiwgYW5kIGFsc28gYWxsb3cgdXNlciBhcHBsaWNhdGlvbnMg dG8gY2hlY2sgZGF4LWNhcGFiaWxpdHkgdmlhDQpzeXNmcy4NCg0KVGhhbmtzLA0KLVRvc2hpwqAN Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LW52 ZGltbSBtYWlsaW5nIGxpc3QKTGludXgtbnZkaW1tQGxpc3RzLjAxLm9yZwpodHRwczovL2xpc3Rz LjAxLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW52ZGltbQo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751413AbcGMPio (ORCPT ); Wed, 13 Jul 2016 11:38:44 -0400 Received: from mail-co1nam03on0114.outbound.protection.outlook.com ([104.47.40.114]:57025 "EHLO NAM03-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751040AbcGMPie (ORCPT ); Wed, 13 Jul 2016 11:38:34 -0400 X-Greylist: delayed 1132 seconds by postgrey-1.27 at vger.kernel.org; Wed, 13 Jul 2016 11:38:34 EDT From: "Kani, Toshimitsu" To: "axboe@fb.com" , "snitzer@redhat.com" CC: "linux-kernel@vger.kernel.org" , "linux-nvdimm@ml01.01.org" , "agk@redhat.com" , "linux-raid@vger.kernel.org" , "dan.j.williams@intel.com" , "ross.zwisler@linux.intel.com" , "yigal@plexistor.com" , "dm-devel@redhat.com" Subject: Re: dm stripe: add DAX support Thread-Topic: dm stripe: add DAX support Thread-Index: AQHRzkZSRk6OnQwQlkOK5icGBcW5JqAVev4AgAA9RICAANqGgA== Date: Wed, 13 Jul 2016 15:03:31 +0000 Message-ID: <1468422189.8908.53.camel@hpe.com> References: <1466792610-30369-1-git-send-email-toshi.kani@hpe.com> <20160624182859.GD13898@redhat.com> <1468362104.8908.43.camel@hpe.com> <20160713020100.GA5872@redhat.com> In-Reply-To: <20160713020100.GA5872@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=toshi.kani@hpe.com; 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spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: MIME-Version: 1.0 X-OriginatorOrg: hpe.com X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Jul 2016 15:03:31.0064 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 105b2061-b669-4b31-92ac-24d304d195dc X-MS-Exchange-Transport-CrossTenantHeadersStamped: CS1PR84MB0006 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id u6DFdHwE004477 On Tue, 2016-07-12 at 22:01 -0400, Mike Snitzer wrote: > On Tue, Jul 12 2016 at  6:22pm -0400, > Kani, Toshimitsu wrote: > > On Fri, 2016-06-24 at 14:29 -0400, Mike Snitzer wrote: > > >    : > Thanks for putting this summary together.  Unfortunately none of the DM > changes can be queued for 4.8 until Jens takes the 2 block core patches: > https://patchwork.kernel.org/patch/9196021/ > https://patchwork.kernel.org/patch/9196019/ > > Not sure what the hold up and/or issue is with them.  But I've asked > twice (and implicilty a 3rd time here).  Hopefully they land in time for > 4.8. Hi Jens, Can you take the two patches above?  These patches add QUEUE_FLAG_DAX and its sysfs show func.  They allow device-mapper to set dax-capability based on its configuration, and also allow user applications to check dax-capability via sysfs. Thanks, -Toshi