Symbol: spa_get_errlog
usr/src/uts/common/fs/zfs/sys/spa.h
1039
extern int spa_get_errlog(spa_t *spa, void *uaddr, size_t *count);
usr/src/uts/common/fs/zfs/zfs_ioctl.c
5328
error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst,