Pull xfs fixes from Dave Chinner:

 - define buffer bit flags as unsigned to fix gcc-5 + c11 warnings

 - remove redundant XFS fields from MAINTAINERS

 - fix inode buffer locking order regression

* tag 'xfs-5.18-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: reorder iunlink remove operation in xfs_ifree
  MAINTAINERS: update IOMAP FILESYSTEM LIBRARY and XFS FILESYSTEM
  xfs: convert buffer flags to unsigned.