Merge branch 'PR/libmount-statmount' of https://github.com/karelzak/util-linux-work

* 'PR/libmount-statmount' of https://github.com/karelzak/util-linux-work: (40 commits)
  libmount: map unsupported LISTMOUNT_REVERSE to ENOSYS
  findmnt: add --id and --uniq-id options
  findmnt: improve --help output
  findmnt: improve reliability of match testing
  libmount: add mnt_table_find_[uniq]_id() function
  findmnt: add UNIQ-ID column
  findmnt: add docs for --kernel
  tests: add findmnt --kernel=listmount
  libmount:  fix mnt_fs_match_target()
  libmount: improve fs->stmnt_done mask use
  libmount: improve how library generates fs->optstr
  findmnt: add --kernel=listmount
  findmnt: add optional argument to --kernel
  meson: fix after rebase
  libmount: remove unnecessary include
  test_sysinfo; fix fsopen() ifdef
  libmount: Add integer type headers to private header file
  libmount: use __unused__ for dummy get_mnt_id()
  libmount: update tests
  include/mount-api-utils: fix typo
  ...

diff --cc libmount/docs/libmount-sections.txt
Simple merge

diff --cc libmount/src/hook_mount.c
Simple merge

diff --cc libmount/src/libmount.h.in
Simple merge

diff --cc libmount/src/libmount.sym
index ed5acbb2f6dcdab30aaa599ed04536519f2f1952,8de169b6ed64e4efd889d2312fc3442c204492f3..284869a3577acdf26170b95e90cc28d4742ef563
--- 1/libmount/src/libmount.sym
--- 2/libmount/src/libmount.sym
+++ b/libmount/src/libmount.sym
@@@ -383,6 -383,26 +383,28 @@@ MOUNT_2_40 
  } MOUNT_2_39;
  
  MOUNT_2_41 {
 +      mnt_context_get_nmesgs;
 +      mnt_context_get_mesgs;
+       mnt_fs_fetch_statmount;
+       mnt_fs_get_ns;
+       mnt_fs_get_parent_uniq_id;
+       mnt_fs_get_statmnt;
+       mnt_fs_get_uniq_id;
+       mnt_fs_refer_statmnt;
+       mnt_fs_set_ns;
+       mnt_fs_set_uniq_id;
+       mnt_id_from_path;
+       mnt_new_statmnt;
+       mnt_ref_statmnt;
+       mnt_statmnt_disable_fetching;
+       mnt_statmnt_set_mask;
+       mnt_table_enable_listmount;
+       mnt_table_fetch_listmount;
+       mnt_table_find_id;
+       mnt_table_find_uniq_id;
+       mnt_table_listmount_set_id;
+       mnt_table_listmount_set_ns;
+       mnt_table_listmount_set_stepsiz;
+       mnt_table_refer_statmnt;
+       mnt_unref_statmnt;
  } MOUNT_2_40;

diff --cc libmount/src/mountP.h
Simple merge