LU-14286 osd-ldiskfs: fallocate with unwritten extents

[fs/lustre-release.git] / lustre / tests / test-framework.sh

diff --git a/lustre/tests/test-framework.sh b/lustre/tests/test-framework.sh
index 9fbce2f..6ba716c 100755 (executable)
--- a/lustre/tests/test-framework.sh
+++ b/lustre/tests/test-framework.sh
@@ -10559,3 +10559,17 @@ function unlinkmany() {
                do_nodes $list "$LCTL set_param debug=\\\"$saved_debug\\\""
        return $rc
 }
+
+function check_for_fallocate()
+{
+       [ "$ost1_FSTYPE" != ldiskfs ] && skip "non-ldiskfs backend"
+       local osts=$(comma_list $(osts_nodes))
+       local fa_mode="osd-ldiskfs.*.fallocate_zero_blocks"
+       local old_mode=$(do_facet ost1 $LCTL get_param -n $fa_mode 2>/dev/null|
+                        head -n 1)
+
+       [ -n "$old_mode" ] || skip "need at least 2.13.57 for fallocate"
+       stack_trap "do_nodes $osts $LCTL set_param $fa_mode=$old_mode"
+       do_nodes $osts $LCTL set_param $fa_mode=0 || error "set $fa_mode=0"
+}
+