scsi: sd: sd_zbc: Use PAGE_SECTORS_SHIFT

Use PAGE_SECTORS_SHIFT instead of open-coding it.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20230613-sd_zbc-page_sectors-v1-1-363460a4413d@wdc.com
Reviewed-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/sd_zbc.c

@@ -889,7 +889,7 @@ int sd_zbc_revalidate_zones(struct scsi_disk *sdkp)
 	}
 
 	max_append = min_t(u32, logical_to_sectors(sdkp->device, zone_blocks),
-			   q->limits.max_segments << (PAGE_SHIFT - 9));
+			   q->limits.max_segments << PAGE_SECTORS_SHIFT);
 	max_append = min_t(u32, max_append, queue_max_hw_sectors(q));
 
 	blk_queue_max_zone_append_sectors(q, max_append);