s390/xpram: mark xpram as non-rotational

xpram is a memory technology. Lets mark that as non-rotational.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index 690c333..464dd29 100644 (file)
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -343,6 +343,7 @@ static int __init xpram_setup_blkdev(void)
                        put_disk(xpram_disks[i]);
                        goto out;
                }
+               queue_flag_set_unlocked(QUEUE_FLAG_NONROT, xpram_queues[i]);
                blk_queue_make_request(xpram_queues[i], xpram_make_request);
                blk_queue_logical_block_size(xpram_queues[i], 4096);
        }