An esnap clone is now deletable when its external snapshot is missing.
Likewise, the tree of degraded lvols rooted at a degraded esnap clone
can also be deleted, subject to the normal restrictions.
Signed-off-by: Mike Gerdts <mgerdts@nvidia.com>
Change-Id: I711ae25d57f5625a955d1f4cdb2839dd0a6cb095
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/17549
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
0dc9169a44