qa: test fallocate fails in mode 0

Signed-off-by: Milind Changire <[email protected]>

Author: mchangir

qa/workunits/fs/misc/fallocate.sh

@@ -0,0 +1,17 @@
+#!/bin/sh -x
+
+# fallocate with mode 0 should fail with EOPNOTSUPP
+set -e
+mkdir -p testdir
+cd testdir
+
+expect_failure() {
+	if "$@"; then return 1; else return 0; fi
+}
+
+expect_failure fallocate -l 1M preallocated.txt
+rm -f preallocated.txt
+
+cd ..
+rmdir testdir
+echo OK