Symbol: zfs_dva_valid
usr/src/uts/common/fs/zfs/sys/spa.h
995
extern boolean_t zfs_dva_valid(spa_t *spa, const dva_t *dva,
usr/src/uts/common/fs/zfs/vdev_mirror.c
293
if (zfs_dva_valid(spa, &dva[i], zio->io_bp))