NNPFS_NOREFS       53 xfs/xfs_message.c     msg.flag   = NNPFS_NOREFS | NNPFS_DELETE;
NNPFS_NOREFS      180 xfs/xfs_message.h enum { NNPFS_NOREFS = 1, NNPFS_DELETE = 2 };
NNPFS_NOREFS     1071 xfs/xfs_vnodeops-common.c     msg.flag   = NNPFS_NOREFS | NNPFS_DELETE;