Automatic update for autofs-5.1.7-10.eln110.

Changelog

* Tue Mar 16 2021 Ian Kent <ikent@redhat.com> - 1:5.1.7-10
- add xdr_exports().
  - remove mount.x and rpcgen dependencies.
  - dont use realloc in host exports list processing.
  - use sprintf() when constructing hosts mapent.
  - fix mnts_remove_amdmount() uses wrong list.
  - Fix option for master read wait.
  - eliminate cache_lookup_offset() usage.
  - fix is mounted check on non existent path.
  - simplify cache_get_parent().
  - set offset parent in update_offset_entry().
  - remove redundant variables from mount_autofs_offset().
  - remove unused parameter form do_mount_autofs_offset().
  - refactor umount_multi_triggers().
  - eliminate clean_stale_multi_triggers().
  - simplify mount_subtree() mount check.
  - fix mnts_get_expire_list() expire list construction.
  - fix inconsistent locking in umount_subtree_mounts().
  - fix return from umount_subtree_mounts() on offset list delete.
  - pass mapent_cache to update_offset_entry().
  - fix inconsistent locking in parse_mount().
  - remove unused mount offset list lock functions.
  - eliminate count_mounts() from expire_proc_indirect().
  - eliminate some strlen calls in offset handling.
  - don't add offset mounts to mounted mounts table.
  - reduce umount EBUSY check delay.
  - cleanup cache_delete() a little.
  - rename path to m_offset in update_offset_entry().
  - don't pass root to do_mount_autofs_offset().
  - rename tree implementation functions.
  - add some multi-mount macros.
  - remove unused functions cache_dump_multi() and cache_dump_cache().
  - add a len field to struct autofs_point.
  - make tree implementation data independent.
  - add mapent tree implementation.
  - add tree_mapent_add_node().
  - add tree_mapent_delete_offsets().
  - add tree_mapent_traverse_subtree().
  - fix mount_fullpath().
  - add tree_mapent_cleanup_offsets().
  - add set_offset_tree_catatonic().
  - add mount and umount offsets functions.
  - switch to use tree implementation for offsets.
  - remove obsolete functions.
  - remove redundant local var from sun_mount().
  - use mount_fullpath() in one spot in parse_mount().
  - pass root length to mount_fullpath().
  - remove unused function master_submount_li.st_empty().
  - move amd mounts removal into lib/mounts.c.
  - check for offset with no mount location.
  - remove mounts_mutex.
  - remove unused variable from get_exports().