From: Asias He <asias@redhat.com>
Date: Thu, 25 Apr 2013 02:38:11 +0000 (-0700)
Subject: target/file: Set is_nonrot attribute
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=0463a3fefda4cf0591edc685d4fb215a33315e01;p=deliverable%2Flinux.git

target/file: Set is_nonrot attribute

Set is_nonrot attribute according to the block queue if the backend
device is a block device.

Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 9063c31df9e1..58ed683e04ae 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -192,6 +192,9 @@ static int fd_configure_device(struct se_device *dev)
 		 * the smaller WRITE_SAME(10) only has a two-byte block count.
 		 */
 		dev->dev_attrib.max_write_same_len = 0xFFFF;
+
+		if (blk_queue_nonrot(q))
+			dev->dev_attrib.is_nonrot = 1;
 	} else {
 		if (!(fd_dev->fbd_flags & FBDF_HAS_SIZE)) {
 			pr_err("FILEIO: Missing fd_dev_size="