Symbol: dmu_spill_hold_existing
usr/src/uts/common/fs/zfs/sa.c
305
if ((rc = dmu_spill_hold_existing(hdl->sa_bonus, NULL,
usr/src/uts/common/fs/zfs/sys/dmu.h
555
int dmu_spill_hold_existing(dmu_buf_t *bonus, void *tag, dmu_buf_t **dbp);