#!/bin/bash
# Helper to verify a given fallocate command is supported and skip a test
# otherwise. Older versions of the fallocate utility might not support all modes
# (i.e., discard) and older versions of fuse might not support the associated
# fallocate requests.
function require_fallocate()
{
output=`fallocate $* 2>&1`
ret=$?
if [ ! $ret -eq 0 ] && ([[ $output == *unsupported* ]] ||
[[ $output == *invalid* ]] ||
[[ $output == *"not supported"* ]])
then
SKIP_TESTS
exit
fi
}