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Instead of passing in the page for ->locked_page, make it hold a
locked_folio and then update the users of async_chunk to act
accordingly.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>