Symbol: dmu_read_uio
usr/src/uts/common/fs/zfs/sys/dmu.h
851
int dmu_read_uio(objset_t *os, uint64_t object, struct uio *uio, uint64_t size);
usr/src/uts/common/fs/zfs/zvol.c
1372
error = dmu_read_uio(zv->zv_objset, ZVOL_OBJ, uio, bytes);