On Wed, Mar 12, 2025 at 10:51:36PM +0800, Ming Lei wrote:
> >4GB folio is possible on some ARCHs, such as aarch64, 16GB hugepage
> is supported, then 'offset' of folio can't be held in 'unsigned int',
> cause warning in bio_add_folio_nofail() and IO failure.
>
> Fix it by adjusting 'page' & trimming 'offset' so that `->bi_offset` won't
> be overflow, and folio can be added to bio successfully.
>
> Fixes: ed9832bc08db ("block: introduce folio awareness and add a bigger size from folio")
> Cc: Kundan Kumar <kundan.kumar@xxxxxxxxxxx>
> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> Cc: Gavin Shan <gshan@xxxxxxxxxx>
> Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
