From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 64A337CA0 for ; Wed, 11 May 2016 13:40:05 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 370A0304048 for ; Wed, 11 May 2016 11:40:02 -0700 (PDT) Received: from mga14.intel.com ([192.55.52.115]) by cuda.sgi.com with ESMTP id sXLc3Ly6Teq4GiCW for ; Wed, 11 May 2016 11:40:01 -0700 (PDT) From: "Verma, Vishal L" Subject: Re: [PATCH v6 4/5] dax: for truncate/hole-punch, do zeroing through the driver if possible Date: Wed, 11 May 2016 18:39:59 +0000 Message-ID: <1462991986.29294.29.camel@intel.com> References: <1462906156-22303-1-git-send-email-vishal.l.verma@intel.com> <1462906156-22303-5-git-send-email-vishal.l.verma@intel.com> In-Reply-To: <1462906156-22303-5-git-send-email-vishal.l.verma@intel.com> Content-Language: en-US Content-ID: <5E1FB0B45FA4AB4A819E9443201F1C82@intel.com> MIME-Version: 1.0 List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: "linux-nvdimm@lists.01.org" Cc: "hch@infradead.org" , "jack@suse.cz" , "boaz@plexistor.com" , "axboe@fb.com" , "linux-kernel@vger.kernel.org" , "xfs@oss.sgi.com" , "linux-block@vger.kernel.org" , "linux-mm@kvack.org" , "jmoyer@redhat.com" , "ross.zwisler@linux.intel.com" , "linux-fsdevel@vger.kernel.org" , "Williams, Dan J" , "linux-ext4@vger.kernel.org" , "akpm@linux-foundation.org" T24gVHVlLCAyMDE2LTA1LTEwIGF0IDEyOjQ5IC0wNjAwLCBWaXNoYWwgVmVybWEgd3JvdGU6DQo+ wqANCi4uLg0KDQo+IEBAIC0xMjQwLDExICsxMjU0LDE2IEBAIGludCBkYXhfemVyb19wYWdlX3Jh bmdlKHN0cnVjdCBpbm9kZSAqaW5vZGUsDQo+IGxvZmZfdCBmcm9tLCB1bnNpZ25lZCBsZW5ndGgs DQo+IMKgCQkJLnNpemUgPSBQQUdFX1NJWkUsDQo+IMKgCQl9Ow0KPiDCoA0KPiAtCQlpZiAoZGF4 X21hcF9hdG9taWMoYmRldiwgJmRheCkgPCAwKQ0KPiAtCQkJcmV0dXJuIFBUUl9FUlIoZGF4LmFk ZHIpOw0KPiAtCQljbGVhcl9wbWVtKGRheC5hZGRyICsgb2Zmc2V0LCBsZW5ndGgpOw0KPiAtCQl3 bWJfcG1lbSgpOw0KPiAtCQlkYXhfdW5tYXBfYXRvbWljKGJkZXYsICZkYXgpOw0KPiArCQlpZiAo ZGF4X3JhbmdlX2lzX2FsaWduZWQoYmRldiwgJmRheCwgb2Zmc2V0LCBsZW5ndGgpKQ0KPiArCQkJ cmV0dXJuIGJsa2Rldl9pc3N1ZV96ZXJvb3V0KGJkZXYsIGRheC5zZWN0b3IsDQo+ICsJCQkJCWxl bmd0aCA+PiA5LCBHRlBfTk9GUywgdHJ1ZSk7DQoNCkZvdW5kIGFub3RoZXIgYnVnIGhlcmUgd2hp bGUgdGVzdGluZy4gVGhlIHplcm9vdXQgbmVlZHMgdG8gYmUgZG9uZSBmb3INCnNlY3RvciArIChv ZmZzZXQgPj4gOSkuIFRoZSBhYm92ZSBqdXN0IHplcm9lZCBvdXQgdGhlIGZpcnN0IHNlY3RvciBv Zg0KdGhlIHBhZ2UgaXJyZXNwZWN0aXZlIG9mIG9mZnNldCwgd2hpY2ggaXMgd3JvbmcuCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCnhmcyBtYWlsaW5nIGxp c3QKeGZzQG9zcy5zZ2kuY29tCmh0dHA6Ly9vc3Muc2dpLmNvbS9tYWlsbWFuL2xpc3RpbmZvL3hm cwo=