[PATCH v2] erofs-utils: lib: Fix calculation of minextblks when working with sparse files

[Gao Xiang]

On 2024/4/3 15:07, Sandeep Dhavale wrote:
> When we work with sparse files (files with holes), we need to consider
> when the contiguous data block starts after each hole to correctly calculate
> minextblks so we can merge consecutive chunks later.
> Now that we need to recalculate minextblks multiple places, put the logic
> in helper function for avoiding repetition and easier reading.
> 
> Fixes: 7b46f7a0160a (erofs-utils: lib: merge consecutive chunks if possible)
> Signed-off-by: Sandeep Dhavale <dhavale at google.com>

Reviewed-by: Gao Xiang <hsiangkao at linux.alibaba.com>

Thanks,
Gao Xiang