- update to 1.10:
* main: use /proc/self/fd to read xattrs.
* main: inherit ACLs for new files/dirs.
* main: fix passing noatime.
* main: add checks for valid /proc mount.
* main: fix copy_file_range for deleted files.
* main: fix creating links of just deleted files.
* main: fix setting attributes on file without permissions.
* main: ignore EOVERFLOW when copying xattrs.
* main: set the correct value for RENAME_NOREPLACE when it is not already
defined in the system headers.
* main: create source whiteout only when needed
* main: fix missing source whiteout when destination is whiteout
* main: fix lookup if underlying path is a symlink, but a directory on a
upper directory.
* main: fix race when looking up an inode that was renamed.
* main: fix type used for ioctl.
* main: honor user.overlay. xattrs. Native overlay uses user.overlay to
store the overlay metadata instead of trusted.overlay.
* main: add a mount flag to disable ACLs.