target/rd: Set ramdisk as non rotational device
authorSagi Grimberg <sagig@mellanox.com>
Sat, 4 Jul 2015 11:05:24 +0000 (14:05 +0300)
committerNicholas Bellinger <nab@linux-iscsi.org>
Tue, 7 Jul 2015 01:07:19 +0000 (18:07 -0700)
Since a RAM backend device is not really a rotational device,
we set it as is_nonrot=1 which will be forwarded in VPD page 0xb1
(block device characteristics) response.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
drivers/target/target_core_rd.c

index 4703f40..384cf88 100644 (file)
@@ -333,6 +333,7 @@ static int rd_configure_device(struct se_device *dev)
        dev->dev_attrib.hw_block_size = RD_BLOCKSIZE;
        dev->dev_attrib.hw_max_sectors = UINT_MAX;
        dev->dev_attrib.hw_queue_depth = RD_MAX_DEVICE_QUEUE_DEPTH;
+       dev->dev_attrib.is_nonrot = 1;
 
        rd_dev->rd_dev_id = rd_host->rd_host_dev_id_count++;