Symbol: MNTFS_ELEM_IS_DEAD
usr/src/uts/common/fs/mntfs/mntvnops.c
665
if (MNTFS_ELEM_IS_DEAD(elemp))
usr/src/uts/common/sys/fs/mntdata.h
82
#define MNTFS_ELEM_IS_ALIVE(x) !MNTFS_ELEM_IS_DEAD(x)