From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Ezequiel Garcia <ezequiel@collabora.com>,
linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
Richard Weinberger <richard@nod.at>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>,
Vignesh Raghavendra <vigneshr@ti.com>
Subject: Re: [PATCH 3/3] mtdblock: Warn if the added for a NAND device
Date: Fri, 6 Aug 2021 22:05:37 +0200 [thread overview]
Message-ID: <20210806200537.394260-1-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20210801234509.18774-8-ezequiel@collabora.com>
On Sun, 2021-08-01 at 23:45:09 UTC, Ezequiel Garcia wrote:
> There is a surprisingly large number of tutorials
> that suggest using mtdblock to mount SquashFS filesystems
> on flash devices, including NAND devices.
>
> This approach is suboptimal than using UBI. If the flash device
> is NAND, this is specially true, due to wear leveling, bit-flips and
> badblocks. In this case UBI is strongly preferred, so be nice to users
> and print a warning suggesting to consider UBI block, if mtdblock
> is added for a NAND device.
>
> Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.
Miquel
next prev parent reply other threads:[~2021-08-06 20:05 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-01 23:45 [PATCH 0/3] mtdblock: Advertise about UBI and UBI block Ezequiel Garcia
2021-08-01 23:45 ` [PATCH 1/3] mtdblock: Update old JFFS2 mention in Kconfig Ezequiel Garcia
2021-08-01 23:45 ` [PATCH 2/3] mtdblock: Add comment about UBI block devices Ezequiel Garcia
2021-08-01 23:45 ` [PATCH 3/3] mtdblock: Warn if the added for a NAND device Ezequiel Garcia
2021-08-01 23:45 ` [PATCH 0/3] mtdblock: Advertise about UBI and UBI block Ezequiel Garcia
2021-08-01 23:45 ` [PATCH 1/3] mtdblock: Update old JFFS2 mention in Kconfig Ezequiel Garcia
2021-08-06 20:05 ` Miquel Raynal
2021-08-01 23:45 ` [PATCH 2/3] mtdblock: Add comment about UBI block devices Ezequiel Garcia
2021-08-06 20:05 ` Miquel Raynal
2021-08-01 23:45 ` [PATCH 3/3] mtdblock: Warn if the added for a NAND device Ezequiel Garcia
2021-08-06 20:05 ` Miquel Raynal [this message]
2021-08-17 16:27 ` Ezequiel Garcia
2021-08-17 16:49 ` Miquel Raynal
2021-10-26 15:03 ` [PATCH 0/3] mtdblock: Advertise about UBI and UBI block Trevor Woerner
2021-10-26 19:01 ` Richard Weinberger
2021-10-28 13:31 ` Trevor Woerner
2021-11-09 10:55 ` Miquel Raynal
2021-11-09 11:45 ` Daniel Golle
2021-11-12 13:54 ` Ezequiel Garcia
2022-01-20 9:39 ` Miquel Raynal
2022-01-20 10:26 ` Ezequiel Garcia
2022-01-20 11:22 ` Miquel Raynal
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