K 10 svn:author V 3 mav K 8 svn:date V 27 2014-12-18T08:43:36.243557Z K 7 svn:log V 400 MFC r275481: Add to CTL support for threshold notifications for file-backed LUNs. Previously it was supported only for ZVOL-backed LUNs, but now should work for file-backed LUNs too. Used value in this case is a space occupied by the backing file, while available value is an available space on file system. Pool thresholds are still not implemented in this case. Sponsored by: iXsystems, Inc. END