Symbol: SI_CANFREE
sys/vfs/devfs/devfs_core.c
2470
dev->si_flags |= SI_CANFREE;
sys/vfs/devfs/devfs_core.c
2472
dev->si_flags |= SI_CANFREE;
sys/vfs/devfs/devfs_vnops.c
2036
if ((ap->a_vp->v_rdev->si_flags & SI_CANFREE) == 0)