+test_12o() {
+ # test needs a running copytool
+ copytool_setup
+
+ mkdir -p $DIR/$tdir
+ local f=$DIR/$tdir/$tfile
+ local fid=$(copy_file /etc/hosts $f)
+
+ $LFS hsm_archive --archive $HSM_ARCHIVE_NUMBER $f
+ wait_request_state $fid ARCHIVE SUCCEED
+ $LFS hsm_release $f || error "release of $f failed"
+
+#define OBD_FAIL_MDS_HSM_SWAP_LAYOUTS 0x152
+ do_facet $SINGLEMDS lctl set_param fail_loc=0x152
+
+ # set no retry action mode
+ cdt_set_no_retry
+
+ diff -q /etc/hosts $f
+ local st=$?
+
+ # we check we had a restore failure
+ wait_request_state $fid RESTORE FAILED
+
+ [[ $st -eq 0 ]] && error "Restore must fail"
+
+ # remove no retry action mode
+ cdt_clear_no_retry
+
+ # check file is still released
+ check_hsm_flags $f "0x0000000d"
+
+ # retry w/o failure injection
+ do_facet $SINGLEMDS lctl set_param fail_loc=0
+
+ diff -q /etc/hosts $f
+ st=$?
+
+ # we check we had a restore done
+ wait_request_state $fid RESTORE SUCCEED
+
+ [[ $st -eq 0 ]] || error "Restored file differs"
+
+ copytool_cleanup
+}
+run_test 12o "Layout-swap failure during Restore leaves file released"
+