[U-Boot] [PATCH 1/3] ubi: provide a way to skip CRC checks

Heiko Schocher hs at denx.de
Wed Oct 16 08:59:27 UTC 2019


Hello Stefan,

Am 12.09.2019 um 16:41 schrieb Stefan Roese:
> From: Quentin Schulz <quentin.schulz at bootlin.com>
> 
> 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.
> 
> Adapted to U-Boot by Stefan Roese.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz at bootlin.com>
> Signed-off-by: Stefan Roese <sr at denx.de>
> Cc: Quentin Schulz <quentin.schulz at bootlin.com>
> Cc: Boris Brezillon <boris.brezillon at bootlin.com>
> Cc: Heiko Schocher <hs at denx.de>
> ---
>   cmd/ubi.c                   | 25 +++++++++++++++++++------
>   drivers/mtd/ubi/kapi.c      |  2 +-
>   drivers/mtd/ubi/ubi-media.h |  6 ++++++
>   drivers/mtd/ubi/ubi.h       |  4 ++++
>   drivers/mtd/ubi/vmt.c       | 12 ++++++++++++
>   drivers/mtd/ubi/vtbl.c      |  3 +++
>   include/mtd/ubi-user.h      | 18 ++++++++++++++++--
>   7 files changed, 61 insertions(+), 9 deletions(-)

Thanks!

applied to u-boot-ubi.git master

bye,
Heiko
-- 
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