-int dsl_free(zio_t *pio, dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp,
- zio_done_func_t *done, void *private, uint32_t arc_flags);
-void dsl_pool_ds_destroyed(struct dsl_dataset *ds, struct dmu_tx *tx);
-void dsl_pool_ds_snapshotted(struct dsl_dataset *ds, struct dmu_tx *tx);
-void dsl_pool_ds_clone_swapped(struct dsl_dataset *ds1, struct dsl_dataset *ds2,
- struct dmu_tx *tx);
+void dsl_free(dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp);
+void dsl_free_sync(zio_t *pio, dsl_pool_t *dp, uint64_t txg,
+ const blkptr_t *bpp);
+int dsl_read(zio_t *pio, spa_t *spa, const blkptr_t *bpp, arc_buf_t *pbuf,
+ arc_done_func_t *done, void *private, int priority, int zio_flags,
+ uint32_t *arc_flags, const zbookmark_t *zb);
+int dsl_read_nolock(zio_t *pio, spa_t *spa, const blkptr_t *bpp,
+ arc_done_func_t *done, void *private, int priority, int zio_flags,
+ uint32_t *arc_flags, const zbookmark_t *zb);