K 10
svn:author
V 6
brooks
K 8
svn:date
V 27
2018-02-10T00:22:25.808139Z
K 7
svn:log
V 375
Add a deprecation warning when using the feature which mounts devices
to see how much space it on them.

Adjust MOUNT_CHAR_DEVS to allow the free space of already mounted
devices to be displayed and report an appropriate error if the
device isn't mounted.

Reviewed by:	cem
MFC after:	1 week
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D8801

END