From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from g4t3427.houston.hp.com (g4t3427.houston.hp.com [15.201.208.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id CB0761A1EF1 for ; Mon, 9 May 2016 11:21:45 -0700 (PDT) Message-ID: <1462817565.27137.102.camel@hpe.com> Subject: Re: [PATCH v3 2/5] block: Add bdev_supports_dax() for dax mount checks From: Toshi Kani Date: Mon, 09 May 2016 12:12:45 -0600 In-Reply-To: References: <1462494596-20938-1-git-send-email-toshi.kani@hpe.com> <1462494596-20938-3-git-send-email-toshi.kani@hpe.com> Mime-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: Dan Williams Cc: Jan Kara , Christoph Hellwig , "linux-nvdimm@lists.01.org" , david , "linux-kernel@vger.kernel.org" , micah.parrish@hpe.com, Jens Axboe , Andreas Dilger , Al Viro , linux-fsdevel , Theodore Ts'o List-ID: T24gU3VuLCAyMDE2LTA1LTA4IGF0IDEyOjE0IC0wNzAwLCBEYW4gV2lsbGlhbXMgd3JvdGU6Cj4g T24gVGh1LCBNYXkgNSwgMjAxNiBhdCA1OjI5IFBNLCBUb3NoaSBLYW5pIDx0b3NoaS5rYW5pQGhw ZS5jb20+IHdyb3RlOgrCoDoKPiA+ICtpbnQgYmRldl9zdXBwb3J0c19kYXgoc3RydWN0IHN1cGVy X2Jsb2NrICpzYiwgaW50IGJsb2Nrc2l6ZSkKPiA+ICt7Cj4gPiArwqDCoMKgwqDCoMKgwqBzdHJ1 Y3QgYmxrX2RheF9jdGwgZGF4ID0gewo+ID4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oC5zZWN0b3IgPSAwLAo+ID4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoC5zaXplID0g UEFHRV9TSVpFLAo+ID4gK8KgwqDCoMKgwqDCoMKgfTsKPiA+ICvCoMKgwqDCoMKgwqDCoGludCBl cnI7Cj4gPiArCj4gPiArwqDCoMKgwqDCoMKgwqBpZiAoYmxvY2tzaXplICE9IFBBR0VfU0laRSkg ewo+ID4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHZmc19tc2coc2IsIEtFUk5fRVJS LCAiZXJyb3I6IHVuc3VwcG9ydGVkIGJsb2Nrc2l6ZSBmb3IKPiA+IGRheCIpOwo+ID4gK8KgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHJldHVybiAtRUlOVkFMOwo+ID4gK8KgwqDCoMKgwqDC oMKgfQo+ID4gKwo+ID4gK8KgwqDCoMKgwqDCoMKgZXJyID0gYmRldl9kaXJlY3RfYWNjZXNzKHNi LT5zX2JkZXYsICZkYXgpOwo+ID4gK8KgwqDCoMKgwqDCoMKgaWYgKGVyciA8IDApIHsKPiA+ICvC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBzd2l0Y2ggKGVycikgewo+ID4gK8KgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoGNhc2UgLUVPUE5PVFNVUFA6Cj4gPiArwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHZmc19tc2coc2IsIEtFUk5fRVJSLAo+ ID4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgImVycm9yOiBkZXZpY2UgZG9lcyBub3Qgc3VwcG9ydCBkYXgiKTsKPiA+ICvCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgYnJlYWs7Cj4gPiArwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgY2FzZSAtRUlOVkFMOgo+ID4gK8KgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqB2ZnNfbXNnKHNiLCBLRVJOX0VSUiwK PiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoCJlcnJvcjogdW5hbGlnbmVkIHBhcnRpdGlvbiBmb3IgZGF4Iik7Cj4gPiArwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoGJyZWFrOwo+ID4gK8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoGRlZmF1bHQ6Cj4gPiArwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHZmc19tc2coc2IsIEtFUk5fRVJSLAo+ID4g K8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgImVycm9yOiBkYXggYWNjZXNzIGZhaWxlZCAoJWQpIiwgZXJyKTsKPiA+ICvCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqB9Cj4gPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgcmV0dXJuIGVycjsKPiA+ICvCoMKgwqDCoMKgwqDCoH0KPiA+ICsKPiA+ICvCoMKgwqDCoMKg wqDCoHJldHVybiAwOwo+ID4gK30KPiA+ICtFWFBPUlRfU1lNQk9MX0dQTChiZGV2X3N1cHBvcnRz X2RheCk7Cj4KPiBUaGlzIHBhdGNoIHNob3VsZCByZXBsYWNlIGJsa2Rldl9kYXhfY2FwYWJsZSgp LCBvciBqdXN0IHJldXNlIHRoYXQKPiBleGlzdGluZyByb3V0aW5lLCBvciBhbSBJIG1pc3Npbmcg c29tZXRoaW5nPwoKR29vZCBxdWVzdGlvbi4gwqBiZGV2X3N1cHBvcnRzX2RheCgpIGlzIGEgaGVs cGVyIGZ1bmN0aW9uIHRhaWxvcmVkIGZvciB0aGUKZmlsZXN5c3RlbSdzIG1vdW50IC1vIGRheCBj YXNlLiDCoFdoaWxlIGJsa2Rldl9kYXhfY2FwYWJsZSgpIGlzIHNpbWlsYXIsIGl0CmRvZXMgbm90 IG5lZWQgZXJyb3IgbWVzc2FnZXMgbGlrZSAiZGV2aWNlIGRvZXMgbm90IHN1cHBvcnQgZGF4IiBz aW5jZSBpdAppbXBsaWNpdGx5IGVuYWJsZXMgZGF4IHdoZW4gY2FwYWJsZS4gwqBTbywgSSB0aGlu ayB3ZSBjYW4ga2VlcApibGtkZXZfZGF4X2NhcGFibGUoKSwgYnV0IGNoYW5nZSBpdCB0byBjYWxs wqBiZGV2X2RpcmVjdF9hY2Nlc3MoKSBzbyB0aGF0CmFjdHVhbCBjaGVjayBpcyBwZXJmb3JtZWQg aW4gYSBzaW5nbGUgcGxhY2UuCgpUaGFua3MsCi1Ub3NoaQoKCgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgtbnZkaW1tIG1haWxpbmcgbGlzdApM aW51eC1udmRpbW1AbGlzdHMuMDEub3JnCmh0dHBzOi8vbGlzdHMuMDEub3JnL21haWxtYW4vbGlz dGluZm8vbGludXgtbnZkaW1tCg==