1 files changed, 17 insertions, 0 deletions
diff --git a/src/ceph/qa/workunits/rbd/krbd_stable_pages_required.sh b/src/ceph/qa/workunits/rbd/krbd_stable_pages_required.sh
new file mode 100755
index 0000000..a7c44c8
--- /dev/null
+++ b/src/ceph/qa/workunits/rbd/krbd_stable_pages_required.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -ex
+
+IMAGE_NAME="stable-pages-required-test"
+
+rbd create --size 1 $IMAGE_NAME
+DEV=$(sudo rbd map $IMAGE_NAME)
+[[ $(blockdev --getsize64 $DEV) -eq 1048576 ]]
+grep -q 1 /sys/block/${DEV#/dev/}/bdi/stable_pages_required
+
+rbd resize --size 2 $IMAGE_NAME
+[[ $(blockdev --getsize64 $DEV) -eq 2097152 ]]
+grep -q 1 /sys/block/${DEV#/dev/}/bdi/stable_pages_required
+sudo rbd unmap $DEV
+
+echo OK