Changes since V2: Add KABI_EXTEND to fix KABI broken. Changes since V1: The position of unlock_mount_hash() has been adjusted to align with the mainline. 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() Zizhi Wo (1): fs/mount: wrap overmount field with KABI_EXTEND fs/internal.h | 2 + fs/mount.h | 1 + fs/namespace.c | 280 +++++++++++++++++++++++++++---------- fs/nsfs.c | 32 +++++ include/uapi/linux/mount.h | 3 +- 5 files changed, 247 insertions(+), 71 deletions(-) -- 2.52.0