Symbol: zfs_unmountall
usr/src/cmd/zfs/zfs_main.c
6809
ret = zfs_unmountall(zhp, flags);
usr/src/cmd/zfs/zfs_main.c
7090
} else if (zfs_unmountall(zhp, flags) != 0) {
usr/src/lib/libzfs/common/libzfs.h
779
extern int zfs_unmountall(zfs_handle_t *, int);