do not issue fsync on ZFS, we have to go through journal for coherent storage persistence
do not issue fsync on ZFS, we have to go through journal for coherent storage persistence

git-svn-id: ae92b08b608af1c8cefa3e10d2325ea527204e07@20826 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable