From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM12-BN8-obe.outbound.protection.outlook.com (mail-bn8nam12on2056.outbound.protection.outlook.com [40.107.237.56]) by mail19.linbit.com (LINBIT Mail Daemon) with ESMTP id 3D89442177D for ; Thu, 8 Dec 2022 01:48:52 +0100 (CET) From: Chaitanya Kulkarni To: Jens Axboe , Gulam Mohamed , "linux-block@vger.kernel.org" Date: Wed, 7 Dec 2022 23:17:12 +0000 Message-ID: <09be5cbe-9251-d28c-e91a-3f2e5e9e99f2@nvidia.com> References: <20221207223204.22459-1-gulam.mohamed@oracle.com> In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <49B6173FD1ADDA4BAB931DDA7410A344@namprd12.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Cc: "nvdimm@lists.linux.dev" , "philipp.reisner@linbit.com" , "song@kernel.org" , "dm-devel@redhat.com" , "ira.weiny@intel.com" , "agk@redhat.com" , "drbd-dev@lists.linbit.com" , "dave.jiang@intel.com" , "minchan@kernel.org" , "vishal.l.verma@intel.com" , "joe.jin@oracle.com" , "kent.overstreet@gmail.com" , "ngupta@vflare.org" , Chaitanya Kulkarni , "konrad.wilk@oracle.com" , "snitzer@kernel.org" , "colyli@suse.de" , "linux-raid@vger.kernel.org" , "linux-bcache@vger.kernel.org" , "dan.j.williams@intel.com" , "martin.petersen@oracle.com" , "linux-kernel@vger.kernel.org" , "junxiao.bi@oracle.com" , "senozhatsky@chromium.org" , "lars.ellenberg@linbit.com" Subject: Re: [Drbd-dev] [RFC for-6.2/block V2] block: Change the granularity of io ticks from ms to ns List-Id: "*Coordination* of development, patches, contributions -- *Questions* \(even to developers\) go to drbd-user, please." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , T24gMTIvNy8yMiAxNTowOCwgSmVucyBBeGJvZSB3cm90ZToNCj4gT24gMTIvNy8yMiAzOjMyP1BN LCBHdWxhbSBNb2hhbWVkIHdyb3RlOg0KPj4gQXMgcGVyIHRoZSByZXZpZXcgY29tbWVudCBmcm9t IEplbnMgQXhib2UsIEkgYW0gcmUtc2VuZGluZyB0aGlzIHBhdGNoDQo+PiBhZ2FpbnN0ICJmb3It Ni4yL2Jsb2NrIi4NCj4+DQo+Pg0KPj4gVXNlIGt0aW1lIHRvIGNoYW5nZSB0aGUgZ3JhbnVsYXJp dHkgb2YgSU8gYWNjb3VudGluZyBpbiBibG9jayBsYXllciBmcm9tDQo+PiBtaWxsaS1zZWNvbmRz IHRvIG5hbm8tc2Vjb25kcyB0byBnZXQgdGhlIHByb3BlciBsYXRlbmN5IHZhbHVlcyBmb3IgdGhl DQo+PiBkZXZpY2VzIHdob3NlIGxhdGVuY3kgaXMgaW4gbWljcm8tc2Vjb25kcy4gQWZ0ZXIgY2hh bmdpbmcgdGhlIGdyYW51bGFyaXR5DQo+PiB0byBuYW5vLXNlY29uZHMgdGhlIGlvc3RhdCBjb21t YW5kLCB3aGljaCB3YXMgc2hvd2luZyBpbmNvcnJlY3QgdmFsdWVzIGZvcg0KPj4gJXV0aWwsIGlz IG5vdyBzaG93aW5nIGNvcnJlY3QgdmFsdWVzLg0KPj4NCj4+IFdlIGRpZCBub3Qgd29yayBvbiB0 aGUgcGF0Y2ggdG8gZHJvcCB0aGUgbG9naWMgZm9yDQo+PiBTVEFUX1BSRUNJU0VfVElNRVNUQU1Q UyB5ZXQuIFdpbGwgZG8gaXQgaWYgdGhpcyBwYXRjaCBpcyBvay4NCj4+DQo+PiBUaGUgaW9zdGF0 IGNvbW1hbmQgd2FzIHJ1biBhZnRlciBzdGFydGluZyB0aGUgZmlvIHdpdGggZm9sbG93aW5nIGNv bW1hbmQNCj4+IG9uIGFuIE5WTUUgZGlzay4gRm9yIHRoZSBzYW1lIGZpbyBjb21tYW5kLCB0aGUg aW9zdGF0ICV1dGlsIHdhcyBzaG93aW5nDQo+PiB+MTAwJSBmb3IgdGhlIGRpc2tzIHdob3NlIGxh dGVuY2llcyBhcmUgaW4gdGhlIHJhbmdlIG9mIG1pY3Jvc2Vjb25kcy4NCj4+IFdpdGggdGhlIGtl cm5lbCBjaGFuZ2VzIChncmFudWxhcml0eSB0byBuYW5vLXNlY29uZHMpLCB0aGUgJXV0aWwgd2Fz DQo+PiBzaG93aW5nIGNvcnJlY3QgdmFsdWVzLiBGb2xsb3dpbmcgYXJlIHRoZSBkZXRhaWxzIG9m IHRoZSB0ZXN0IGFuZCB0aGVpcg0KPj4gb3V0cHV0Og0KPiANCj4gTXkgZGVmYXVsdCBwZWFrIHRl c3RpbmcgcnVucyBhdCAxMjJNIElPUFMuIFRoYXQncyBhbHNvIHRoZSBwZWFrIElPUFMgb2YNCj4g dGhlIGRldmljZXMgY29tYmluZWQsIGFuZCB3aXRoIGlvc3RhdHMgZGlzYWJsZWQuIElmIEkgZW5h YmxlZCBpb3N0YXRzLA0KPiB0aGVuIHRoZSBwZXJmb3JtYW5jZSBkcm9wcyB0byAxMTJNIElPUFMu IEl0J3Mgbm8gbG9uZ2VyIGRldmljZSBsaW1pdGVkLA0KPiB0aGF0J3MgYSBkcm9wIG9mIGFib3V0 IDguMiUuDQo+IA0KDQpXb3csIGNsZWFybHkgbm90IGFjY2VwdGFibGUgdGhhdCdzIGV4YWN0bHkg SSBhc2tlZCBmb3IgcGVyZg0KbnVtYmVycyA6KS4NCg0KLWNrDQoNCg==