+try_umount() {
+ local tries=$1
+ local mountpoint="$2"
+
+ for (( try=1; try<=tries; try++ )); do
+ if [[ ${try} -eq ${tries} ]]; then
+ # Last time, show errors this time
+ umount "${mountpoint}" && return 0
+ else
+ # Not last time, hide errors until fatal
+ if umount "${mountpoint}" 2>/dev/null ; then
+ return 0
+ else
+ sleep 1
+ fi
+ fi
+ done
+ return 1 # Tried enough
+}
+