linux-kernel - Re: [PATCH v3 1/2] ubi: provide a way to skip CRC checks

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Message-ID: <13338670.5gFP9PctP3@blindfold>
Date:   Sun, 01 Jul 2018 21:37:20 +0200
From:   Richard Weinberger <richard@....at>
To:     Quentin Schulz <quentin.schulz@...tlin.com>
Cc:     dedekind1@...il.com, dwmw2@...radead.org,
        computersforpeace@...il.com, boris.brezillon@...tlin.com,
        marek.vasut@...il.com, linux-mtd@...ts.infradead.org,
        linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com
Subject: Re: [PATCH v3 1/2] ubi: provide a way to skip CRC checks

Am Donnerstag, 28. Juni 2018, 09:40:52 CEST schrieb Quentin Schulz:
> Some users of static UBI volumes implement their own integrity check,
> thus making the volume CRC check done at open time useless. For
> instance, this is the case when one use the ubiblock + dm-verity +
> squashfs combination, where dm-verity already checks integrity of the
> block device but this time at the block granularity instead of verifying
> the whole volume.
> 
> Skipping this test drastically improves the boot-time.
> 
> Suggested-by: Boris Brezillon <boris.brezillon@...tlin.com>
> Signed-off-by: Quentin Schulz <quentin.schulz@...tlin.com>
> Reviewed-by: Boris Brezillon <boris.brezillon@...tlin.com>

Reviewed-by: Richard Weinberger <richard@....at>

Thanks,
//richard