[PATCH] mount: support the sizelimit and offset option for loop devices

Steffen Trumtrar s.trumtrar at pengutronix.de
Fri Sep 25 08:17:51 UTC 2020


Hi!

Steffen Trumtrar <s.trumtrar at pengutronix.de> writes:

> Starting with linux kernel v5.4 squashfs has a more strict parameter
> checking implemented. Unlike util-linux mount, busybox never supported
> the sizelimit option but simply forwards it to the kernel.
> Since v5.4 mounting will fail with
>
>     squashfs: Unknown parameter 'sizelimit'
>
> Support the sizelimit parameter by setting it in the LOOP_SET_STATUS64
> structure before handing it to the kernel.
>
> While at it also add support for the offset option, which currently will
> always be set to 0.
>
> Signed-off-by: Steffen Trumtrar <s.trumtrar at pengutronix.de>

Gentle Ping!

Is this patch completely wrong or did the patch just got lost somewhere?


Best regards,
Steffen Trumtrar

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