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[209.85.128.181]) by smtp.gmail.com with ESMTPSA id v141-20020a814893000000b005fb420b14dcsm1422530ywa.108.2024.01.12.10.27.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Jan 2024 10:27:52 -0800 (PST) Received: by mail-yw1-f181.google.com with SMTP id 00721157ae682-5e7467eb93aso58735757b3.1; Fri, 12 Jan 2024 10:27:52 -0800 (PST) X-Received: by 2002:a25:d84f:0:b0:dbc:d3a5:d039 with SMTP id p76-20020a25d84f000000b00dbcd3a5d039mr779893ybg.32.1705084072167; Fri, 12 Jan 2024 10:27:52 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20231214222107.2016042-1-song@kernel.org> <20231214222107.2016042-2-song@kernel.org> <20240112171010.GA18360@lst.de> In-Reply-To: <20240112171010.GA18360@lst.de> From: Geert Uytterhoeven Date: Fri, 12 Jan 2024 19:27:40 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 1/3] md: Remove deprecated CONFIG_MD_LINEAR To: Christoph Hellwig Cc: Song Liu , linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Jens Axboe , Neil Brown , Guoqing Jiang , Mateusz Grzonka , Jes Sorensen Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Christoph, On Fri, Jan 12, 2024 at 6:10=E2=80=AFPM Christoph Hellwig wrot= e: > On Fri, Jan 12, 2024 at 09:08:04AM -0800, Song Liu wrote: > > Thanks for the heads-up. I honestly don't know about this use case. > > Where can I find/get more information about it? > > What NAS uses md linear? No idea, I was just wondering.... Lots of NASes sold support JBOD (yes, I know I should not use anything that lacks mirroring for data I care about ;-) > Either way you can always set up a dm-linear table to get at the > data. If dm-linear offers the same functionality, I have no objection. Note to self: learn about the difference between dm and md, finally... Gr{oetje,eeting}s, Geert --=20 Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k= org In personal conversations with technical people, I call myself a hacker. Bu= t when I'm talking to journalists I just say "programmer" or something like t= hat. -- Linus Torvalds