Commits
Jeff Layton committed a823e4589e6
mm: add file_fdatawait_range and file_write_and_wait Necessary now for gfs2_fsync and sync_file_range, but there will eventually be other callers. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Jeff Layton <jlayton@redhat.com>