K 10
svn:author
V 5
trasz
K 8
svn:date
V 27
2013-12-13T21:22:12.040033Z
K 7
svn:log
V 196
MFC r258871:

Properly report an error instead of panicing when user tries to create
LUN backed by non-disk device, e.g. /dev/null.

Approved by:	re (glebius)
Sponsored by:	The FreeBSD Foundation

END