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Wed, 22 Jul 2020 07:03:21 +0000 From: Johannes Thumshirn To: Christoph Hellwig , Jens Axboe CC: Song Liu , Hans de Goede , Richard Weinberger , Minchan Kim , "linux-mtd@lists.infradead.org" , "dm-devel@redhat.com" , "linux-block@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "drbd-dev@lists.linbit.com" , "linux-raid@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-mm@kvack.org" , "cgroups@vger.kernel.org" Subject: Re: [PATCH 02/14] drbd: remove dead code in device_to_statistics Thread-Topic: [PATCH 02/14] drbd: remove dead code in device_to_statistics Thread-Index: AQHWX/FEcddsN2HZWUefz5cntVZ8LA== Date: Wed, 22 Jul 2020 07:03:21 +0000 Message-ID: References: <20200722062552.212200-1-hch@lst.de> <20200722062552.212200-3-hch@lst.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: lst.de; dkim=none (message not signed) header.d=none;lst.de; dmarc=none action=none header.from=wdc.com; x-originating-ip: [129.253.240.72] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: f03f427f-96e1-4bfc-9150-08d82e0d51eb x-ms-traffictypediagnostic: SN2PR04MB2239: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:8273; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN4PR0401MB3598.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f03f427f-96e1-4bfc-9150-08d82e0d51eb X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Jul 2020 07:03:21.5601 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: n/WE4dczctIGgSYMUR9eZ1R2NyNqbmbwZ/KCyUEJyhcSUO1QWSOT8jiIfxsQMNl1m8YItrC0n0JPgZFdEJWubhU05Q4/a2Blj9MUKK38nfM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN2PR04MB2239 X-Rspamd-Queue-Id: 8C39A18060798 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 22/07/2020 08:28, Christoph Hellwig wrote:=0A= > Ever since the switch to blk-mq, a lower device not use by VM=0A= in-use/used? ~^=0A= =0A= Also this looks like the last user of 'dev_lower_blocked' so it could=0A= be removed from device_statistics if it's not an ABI (not sure with this=0A= netlink stuff).=0A=