K 10
svn:author
V 6
kevans
K 8
svn:date
V 27
2019-04-01T17:44:20.438335Z
K 7
svn:log
V 411
libbe: Fix zfs_is_mounted check w/ snapshots

'be_destroy' can destroy a boot environment (by name) or a given snapshot.
If the target to be destroyed is a dataset, check if it's mounted. We don't
want to check if the origin dataset is mounted when destroying a snapshot.

PR:		236043
Submitted by:	Rob Fairbanks <rob.fx907 gmail com>
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D19650

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