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virt_boundary_mask implies an unlimited max_segment_size. Setting both can lead to data corruption because __blk_rq_map_sg() can split requests so that the virt_boundary_mask is not respected if max_segment_size is not UINT_MAX. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20250624125233.219635-2-hch@lst.de Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: John Garry <john.g.garry@oracle.com> Acked-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>