NEX-15891 Latest grep from illumos broke zvol_swap tests and swapadd
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>
4206 history_003_pos relies on exact size of history log and entries
4207 history_008_pos depends on obsolete internal history log message
4208 Typo in zfs_main.c: "posxiuser"
4209 Populate zfstest with the remainder of the STF tests
Reviewed by: Sonu Pillai <sonu.pillai@delphix.com>
Reviewed by: Will Guyette <will.guyette@delphix.com>
Reviewed by: Eric Diven <eric.diven@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

@@ -131,8 +131,8 @@
         if [[ -z $device ]] ; then
                 log_note "No device specified."
                 return 1
         fi
 
-        swap -l | grep -w $device > /dev/null 2>&1
+        swap -l | nawk 'BEGIN {rc=1} {if ($1 == "'$device'") { rc=0}} END {exit rc}' 
         return $?
 }