block: Consolidate phys_segment and hw_segment limits

Except for SCSI no device drivers distinguish between physical and
hardware segment limits.  Consolidate the two into a single segment
limit.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c
index d033cfd..2658b14 100644
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -1065,9 +1065,8 @@
 	queue = gd->queue;
 	queue->queuedata = i2o_blk_dev;
 
-	blk_queue_max_phys_segments(queue, I2O_MAX_PHYS_SEGMENTS);
 	blk_queue_max_hw_sectors(queue, max_sectors);
-	blk_queue_max_hw_segments(queue, i2o_sg_tablesize(c, body_size));
+	blk_queue_max_segments(queue, i2o_sg_tablesize(c, body_size));
 
 	osm_debug("max sectors = %d\n", queue->max_sectors);
 	osm_debug("phys segments = %d\n", queue->max_phys_segments);