Name: quotawarnsize
Type: BYTESIZE
Default-Value: 0
Last-Modified: 3.8.0

The maximum amount of free space at which to give a quota warning (if this
value is 0, or if the quota is smaller than this amount, then warnings are
always given).

Note that quota has kibibyte granularity.  Values specified here will be
truncated to the nearest whole kibibyte.

For backward compatibility, if no unit is specified, kibibytes is assumed.
