K 10
svn:author
V 5
trasz
K 8
svn:date
V 27
2013-12-13T15:19:37.009231Z
K 7
svn:log
V 170
MFC r258871:

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

Sponsored by:	The FreeBSD Foundation

END