f2fs: convert f2fs_clear_page_cache_dirty_tag to use a folio

Removes uses of page_mapping() and page_index().

Link: https://lkml.kernel.org/r/20240423225552.4113447-3-willy@infradead.org


Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>