From: "Verma, Vishal L" Subject: Re: [PATCH v4 5/7] fs: prioritize and separate direct_io from dax_io Date: Thu, 5 May 2016 21:45:07 +0000 Message-ID: <1462484695.29294.7.camel@intel.com> References: <1461878218-3844-1-git-send-email-vishal.l.verma@intel.com> <1461878218-3844-6-git-send-email-vishal.l.verma@intel.com> <5727753F.6090104@plexistor.com> <20160505142433.GA4557@infradead.org> <20160505152230.GA3994@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "axboe@fb.com" , "jack@suse.cz" , "matthew@wil.cx" , "linux-nvdimm@ml01.01.org" , "linux-kernel@vger.kernel.org" , "xfs@oss.sgi.com" , "linux-block@vger.kernel.org" , "linux-mm@kvack.org" , "viro@zeniv.linux.org.uk" , "linux-fsdevel@vger.kernel.org" , "akpm@linux-foundation.org" , "linux-ext4@vger.kernel.org" To: "Williams, Dan J" , "hch@infradead.org" Return-path: In-Reply-To: <20160505152230.GA3994@infradead.org> Content-Language: en-US Content-ID: <70E6DC278A3EE74D9541D62DE6070F32@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com List-Id: linux-ext4.vger.kernel.org T24gVGh1LCAyMDE2LTA1LTA1IGF0IDA4OjIyIC0wNzAwLCBDaHJpc3RvcGggSGVsbHdpZyB3cm90 ZToNCj4gT24gVGh1LCBNYXkgMDUsIDIwMTYgYXQgMDg6MTU6MzJBTSAtMDcwMCwgRGFuIFdpbGxp YW1zIHdyb3RlOg0KPiA+IA0KPiA+ID4gDQo+ID4gPiBBZ3JlZWQgLSBtYWtpZyBPX0RJUkVDVCBs ZXNzIGRpcmVjdCB0aGFuIG5vdCBoYXZpbmcgaXQgaXMgcGxhaW4NCj4gPiA+IHN0dXBpZCwNCj4g PiA+IGFuZCBJIHNvbWVob3cgbWlzc2VkIHRoaXMgaW5pdGlhbGx5Lg0KPiA+IE9mIGNvdXJzZSBJ IGRpc2FncmVlIGJlY2F1c2UgbGlrZSBEYXZlIGFyZ3VlcyBpbiB0aGUgbXN5bmMgY2FzZSB3ZQ0K PiA+IHNob3VsZCBkbyB0aGUgY29ycmVjdCB0aGluZyBmaXJzdCBhbmQgbWFrZSBpdCBmYXN0IGxh dGVyLCBidXQgYWxzbw0KPiA+IGxpa2UgRGF2ZSB0aGlzIGFyZ3VpbmcgaW4gY2lyY2xlcyBpcyBn ZXR0aW5nIHRpcmVzb21lLg0KPiBXZSBzaG91bGQgZG8gdGhlIHJpZ2h0IHRoaW5nIGZpcnN0LCBh bmQgbWFrZSBpdCBmYXN0IGxhdGVyLsKgwqBCdXQgdGhpcw0KPiBwcm9wb3NhbCBpcyBub3QgZ2V0 dGluZyBpdCByaWdodCAtIGl0IHN0aWxsIGRvZXMgbm90IGhhbmRsZSBlcnJvcnMNCj4gZm9yIHRo ZSBmYXN0IHBhdGgsIGJ1dCBtYWdpY2FsbHkgbWFrZXMgaXQgd29yayBmb3IgZGlyZWN0IEkvTyBi eQ0KPiBpbiBnZW5lcmFsIHVzaW5nIGEgbGVzcyBvcHRpb25hbCBwYXRoIGZvciBPX0RJUkVDVC7C oMKgSXQncyBnZXR0aW5nIHRoZQ0KPiB3b3JzdCBvZiBhbGwgY2hvaWNlcy4NCj4gDQo+IEFzIGZh ciBhcyBJIGNhbiB0ZWxsIHRoZSBvbmx5IHNlbnNpYmxlIG9wdGlvbiBpcyB0bzoNCj4gDQo+IMKg LSBhbHdheXMgdHJ5IGRheC1saWtlIEkvTyBmaXJzdA0KPiDCoC0gaGF2ZSBhIGN1c3RvbSBnZXRf dXNlcl9wYWdlcyArIHJ3X2J5dGVzIGZhbGxiYWNrIGhhbmRsZXMgYmFkIGJsb2Nrcw0KPiDCoMKg wqB3aGVuIGhpdHRpbmcgRUlPDQoNCkknbSBub3Qgc3VyZSBJIGNvbXBsZXRlbHkgdW5kZXJzdGFu ZCBob3cgdGhpcyB3aWxsIHdvcms/IENhbiB5b3UgZXhwbGFpbg0KYSBiaXQ/IFdvdWxkIHdlIGhh dmUgdG8gZXhwb3J0IHJ3X2J5dGVzIHVwIHRvIGxheWVycyBhYm92ZSB0aGUgcG1lbQ0KZHJpdmVy PyBXaGVyZSBkb2VzIGdldF91c2VyX3BhZ2VzIGNvbWUgaW4/DQoNCj4gDQo+IEFuZCB0aGVuIHdl IG5lZWQgdG8gc29ydCBvdXQgdGhlIGNvbmN1cnJlbnQgd3JpdGUgc3luY2hyb25pemF0aW9uLg0K PiBBZ2FpbiB0aGVyZSBJIHRoaW5rIHdlIGFic29sdXRlbHkgaGF2ZSB0byBvYmV5IFBvc2l4IGZv ciB0aGUgIU9fRElSRUNUDQo+IGNhc2UgYW5kIGNhbiBhdm9pZCBpdCBmb3IgT19ESVJFQ1QsIHNp bWlsYXIgdG8gdGhlIGV4aXN0aW5nIG5vbi1EQVgNCj4gc2VtYW50aWNzLsKgwqBJZiB3ZSB3YW50 IGFueSBzcGVjaWFsIGFkZGl0aW9uYWwgc2VtYW50aWNzIHdlIF93aWxsXyBuZWVkDQo+IGEgc3Bl Y2lhbCBPX0RBWCBmbGFnLg0KPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXw0KPiBMaW51eC1udmRpbW0gbWFpbGluZyBsaXN0DQo+IExpbnV4LW52ZGltbUBs aXN0cy4wMS5vcmcNCj4gaHR0cHM6Ly9saXN0cy4wMS5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51 eC1udmRpbW0KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K eGZzIG1haWxpbmcgbGlzdAp4ZnNAb3NzLnNnaS5jb20KaHR0cDovL29zcy5zZ2kuY29tL21haWxt YW4vbGlzdGluZm8veGZzCg==