[PATCH OLK-6.6 0/5] Support open_tree OPEN_TREE_NAMESPACE

Support open_tree OPEN_TREE_NAMESPACE Al Viro (3): attach_mnt(): expand in attach_recursive_mnt(), then lose the flag argument get rid of mnt_set_mountpoint_beneath() prevent mount hash conflicts Christian Brauner (2): mount: add OPEN_TREE_NAMESPACE mount: hold namespace_sem across copy in create_new_namespace() fs/internal.h | 2 + fs/mount.h | 1 + fs/namespace.c | 281 ++++++++++++++++++++++++++++--------- fs/nsfs.c | 32 +++++ include/uapi/linux/mount.h | 3 +- 5 files changed, 248 insertions(+), 71 deletions(-) -- 2.52.0