Lazy unmount are only supported on Linux. Force umount instead, since this code path is used in emergency exit anyway. On NetBSD, just have the filesystem calling exit, the kernel will unmount. BUG: 1129939 Change-Id: If623ebf60b7a747ea7e78034b6d71ec2241dea4a Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org> Reviewed-on: http://review.gluster.org/9334 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>