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Thu, 18 Feb 2021 08:48:13 +0000 (GMT) Received: from CAMSVWEXC01.scsc.local (2002:6a01:e347::6a01:e347) by CAMSVWEXC02.scsc.local (2002:6a01:e348::6a01:e348) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Thu, 18 Feb 2021 08:48:13 +0000 Received: from localhost (106.110.32.47) by CAMSVWEXC01.scsc.local (106.1.227.71) with Microsoft SMTP Server (TLS) id 15.0.1320.4 via Frontend Transport; Thu, 18 Feb 2021 08:48:13 +0000 Date: Thu, 18 Feb 2021 09:48:12 +0100 From: Javier =?utf-8?B?R29uesOhbGV6?= To: Christoph Hellwig Subject: Re: [PATCH] nvme: introduce passthrough ioctl for multipath Message-ID: <20210218084812.kcibjukwlb37ijji@mpHalley.local> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210218084014.GA17997@lst.de> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupjleLIzCtJLcpLzFFi42LZduzned1zmnoJBi+6OCz+7znGZrFy9VEm i0mHrjFazF/2lN3iVye3xbrX71kc2DwmNr9j99g56y67x/l7G1k8Nq3qZPPYvKTeY/fNBrYA tigum5TUnMyy1CJ9uwSujNfrfrIWdLBVXPy4k7mB8RlLFyMnh4SAicT55XuZQGwhgRWMEudv VHcxcgHZXxgl1t94xAzhfGaUmLfrECNMx7aHexkhEssZJTY3/mWBqzrfdIAdwjnDKLHl0Dmo /r2MEvN3XWXrYuTgYBFQlbh9UB5kFJuAvcSlZbeYQWwRASWJp6/OMoKUMAusZpRodgcJCwu4 SHRsvMMOYvMK2Eic27CUEcIWlDg58wnYD8wCVhKdH5pYIVqlJZb/4wAJcwroSMy/O5EJ4ugb HBJLD7BC2C4Shw6fZ4awhSVeHd/CDmHLSPzfOZ8J5GIJgWZGiTNrrjBDOD2MEn8mrQC7TULA WqLvTA5Eg6NEx9HFzBBhPokbbwUhzuGTmLRtOlSYV6KjTQiiWk1iR9NWqCEyEk/XKExgVJqF 5JdZSH6ZhfDLAkbmVYziqaXFuempxUZ5qeV6xYm5xaV56XrJ+bmbGIFJ5vS/4192MC5/9VHv ECMTB+MhRgkOZiURXvbPWglCvCmJlVWpRfnxRaU5qcWHGKU5WJTEeZO2rIkXEkhPLEnNTk0t SC2CyTJxcEo1MLFWOd7fceF57QrNsBmpDRma3GwGN+S4hOX/Cz3Q6HmYPOe32DvH1/N2vBLL Cdk0fSq3WWRg09L3K7ZXFC7OzHJ7K7ig8UrF7ok9/BM/Mu+etvjZ3d83GFey/M7wWb7hUtpt lTfck10Er7/1P7HUOMw2ZkPn73rb/g6bh7bx9n972/uv7tC+77m99LZ+iddHBvaWMLdj8jld NS6Fyo93b+yvWLQjMu3stBWcivPbz10uUXz4pID/7q/FiksfTJK87Rd+o6FnrteUuoI/MSeE o4yqVXw0bwiKB1if8Vm6MszHz3ZpgteidPY7kzo/RWz8kP967tZyDde+M/PSeG7PnP08iWuu 0sGCj4wJThIPliixFGckGmoxFxUnAgAAj4+woQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrEIsWRmVeSWpSXmKPExsVy+t/xe7pnNfUSDH4f07T4v+cYm8XK1UeZ LCYdusZoMX/ZU3aLX53cFutev2dxYPOY2PyO3WPnrLvsHufvbWTx2LSqk81j85J6j903G9gC 2KL0bIryS0tSFTLyi0tslaINLYz0DC0t9IxMLPUMjc1jrYxMlfTtbFJSczLLUov07RL0Ml6v +8la0MFWcfHjTuYGxmcsXYycHBICJhLbHu5l7GLk4hASWMooMWPfDnaIhIzEpysfoWxhiT/X utggij4ySry638UE4ZxhlLj/8icrhLOXUWLe8vlAZRwcLAKqErcPyoN0swnYS1xadosZxBYR UJJ4+uosI0gJs8BqRolmd5CwsICLRMfGO2DLeAVsJM5tWAp10XZmiT+/frFAJAQlTs58AmYz C1hIzJx/HmqOtMTyfxwgYU4BHYn5dycyTWAUmoWkYxaSjlkIHQsYmVcxiqSWFuem5xYb6RUn 5haX5qXrJefnbmIERta2Yz+37GBc+eqj3iFGJg7GQ4wSHMxKIrzsn7UShHhTEiurUovy44tK c1KLDzGaAj08kVlKNDkfGNt5JfGGZgamhiZmlgamlmbGSuK8JkfWxAsJpCeWpGanphakFsH0 MXFwSjUwyU7ImPDx6vyTS3SCfOKuqiyIUI2c7Hp8U0qAgFyQ4ZR16xL+WDw7OJ/57trly2KX bp+1ws3LhDND836cWtKTCr+zKrMDj1tf1TluknTm/esGwec5QUcsJdWXXpKS+zFr5uPpL9Ss ZUK+/b3Quprr5j+hCXuf3l90Zmr1lMrWoBcSAYcur2eI6Wo5f8G+odzoyT2x1/bK++Yp+Cg7 nv7ygbtqlpj+UfdzW6ab/D4iH3U/6Y2k3NJ/rrtLFIvEl2m8PXwg9Mjp8sX1a96J+nnmWhm8 3pu20Vv62Bzl3QI8DNIzVm++vKwt9XujtUPplg3/14mGb8y+EnHH3VE1/wjTU2mBEzrPlk5Q SitxX/a9uFyJpTgj0VCLuag4EQCLZEN6NQMAAA== X-CMS-MailID: 20210218084813eucas1p2cb943df68a1eddcf53ac1e8bdcb82f7b X-Msg-Generator: CA X-RootMTR: 20210218084022eucas1p296cd6f091da8b347ecb3232a2e0b7383 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20210218084022eucas1p296cd6f091da8b347ecb3232a2e0b7383 References: <20210214110126.24023-1-minwoo.im.dev@gmail.com> <20210214110126.24023-2-minwoo.im.dev@gmail.com> <20210215170233.GA2707454@dhcp-10-100-145-180.wdc.com> <20210216095147.GA2601@localhost.localdomain> <20210216175722.GC2708768@dhcp-10-100-145-180.wdc.com> <20210217021455.GA2251@localhost.localdomain> <20210218084014.GA17997@lst.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210218_034840_968683_6FDBD47F X-CRM114-Status: GOOD ( 15.67 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Keith Busch , Jens Axboe , Minwoo Im , Sagi Grimberg , linux-nvme@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On 18.02.2021 09:40, Christoph Hellwig wrote: >On Wed, Feb 17, 2021 at 11:14:55AM +0900, Minwoo Im wrote: >> > A container could read data from namespaces assigned to a different >> > container. >> >> Now I got your point! Thanks Keith, please ignore this patch :) > >Note that Javier has been working on exposing access to namespaces >with unsupported command sets for ioctls. If that is what you are >looking for. Minwoo, I think this would apply good on top of the char device patches I posted a while ago. I have a multipath version working on top, but I am still working out a good way to expose in sysfs. We can try to merge these and send the char device with multipath in the following days. This has been hanging on me more than I wanted it to... _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme