xfs: constify xfs_bmap_is_written_extent

This predicate doesn't modify the structure that's being passed in, so
we can mark it const.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2024-04-15 14:54:12 -07:00
commit 15f78aa3eb