Re: [PATCH v3 4/9] loop: Refactor loop_set_status() size calculation

From: Christoph Hellwig
Date: Mon Apr 27 2020 - 10:55:54 EST


On Mon, Apr 27, 2020 at 09:42:17AM +0200, Martijn Coenen wrote:
> figure_loop_size() calculates the loop size based on the passed in
> parameters, but at the same time it updates the offset and sizelimit
> parameters in the loop device configuration. That is a somewhat
> unexpected side effect of a function with this name, and it is only only
> needed by one of the two callers of this function - loop_set_status().
>
> Move the lo_offset and lo_sizelimit assignment back into loop_set_status(),
> and use the newly factored out functions to validate and apply the newly
> calculated size. This allows us to get rid of figure_loop_size in a
> follow-up commit.
>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>