#!/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

}