FROMGIT: block: mq-deadline: Simplify deadline_skip_seq_writes()

Make the deadline_skip_seq_writes() code shorter without changing its
functionality.

Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cc: Ming Lei <ming.lei@redhat.com>
Change-Id: I3d6fa65ccf9af3bc54742acf2ca2a67bd6b13dc1
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230517174230.897144-8-bvanassche@acm.org


Signed-off-by: Jens Axboe <axboe@kernel.dk>
Bug: 275581839
(cherry picked from commit 3b463cbe https://git.kernel.dk/cgit/linux/

)
Signed-off-by: Bart Van Assche <bvanassche@google.com>