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Wed, 7 Apr 2021 07:36:22 +0000 From: Niklas Cassel To: Christoph Hellwig CC: Minwoo Im , "linux-nvme@lists.infradead.org" , Keith Busch , Jens Axboe , Sagi Grimberg , Kanchan Joshi , =?iso-8859-1?Q?Javier_Gonz=E1lez?= Subject: Re: [PATCH V2 0/1] nvme: introduce generic per-namespace chardev Thread-Topic: [PATCH V2 0/1] nvme: introduce generic per-namespace chardev Thread-Index: AQHXKsN1pjvW+Y7eAUiYEfo71YOF9aqnfeiAgAAXigCAARZvgA== Date: Wed, 7 Apr 2021 07:36:22 +0000 Message-ID: References: <20210406064841.103393-1-minwoo.im.dev@gmail.com> <20210406133533.GC2594@localhost> <20210406145948.GB7790@lst.de> In-Reply-To: <20210406145948.GB7790@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: [85.226.244.4] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: cd56aea2-5033-463d-1b0b-08d8f997d790 x-ms-traffictypediagnostic: DM6PR04MB4124: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:9508; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Tue, Apr 06, 2021 at 04:59:48PM +0200, Christoph Hellwig wrote: > On Tue, Apr 06, 2021 at 10:35:33PM +0900, Minwoo Im wrote: > > > with e.g. fdisk, mkfs, mount, in fstab, what to specify in fstab, etc. > > > > > > I think that there is value in reducing the confusion for regular users. > > > > Agreed on this point. We might have thousands of namespaces and it > > might be making confusions to users. > > How does this create a confusion that it doesn't for the existing NVMe > block devices and the SCSI disk and generic devices? The SCSI generic devices are named /dev/sgX while the SCSI block devices are named /dev/sd*, so the names are more distinct compared to /dev/nvme* and /dev/nvme-generic-*. A "regular" Linux user who writes /dev/sd will not see the SCSI generic devices, but with the current proposal, if he writes /dev/nvme, he will see the NVMe generic devices. I just had a gut feeling that this could cause confusion in the future. However, I trust your experience and judgement more than my gut feeling. Kind regards, Niklas _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme