src/vstart.sh: Only execute btrfs if it is available

Signed-off-by: Willem Jan Withagen <wjw@digiware.nl>

diff --git a/src/vstart.sh b/src/vstart.sh
index 2da28246dd4b709b9f34f232f901142edeea7526..da4f8c2e39527d837a4a24168f20d925a827c1de 100755 (executable)
--- a/src/vstart.sh
+++ b/src/vstart.sh
@@ -661,7 +661,9 @@ if [ "$start_osd" -eq 1 ]; then
 EOF
 
            rm -rf $CEPH_DEV_DIR/osd$osd || true
-           for f in $CEPH_DEV_DIR/osd$osd/*; do btrfs sub delete $f &> /dev/null || true; done
+            if command -v btrfs > /dev/null; then
+               for f in $CEPH_DEV_DIR/osd$osd/*; do btrfs sub delete $f &> /dev/null || true; done
+            fi
            mkdir -p $CEPH_DEV_DIR/osd$osd
 
            uuid=`uuidgen`