Symbol: VBIOERROR
sys/kern/vfs_bio.c
877
SET(bp->b_vp->v_bioflag, VBIOERROR);
sys/kern/vfs_subr.c
738
vp->v_bioflag &= ~VBIOERROR;
sys/kern/vfs_vops.c
313
if (r == 0 && vp->v_bioflag & VBIOERROR)