Illumos #3464

3464 zfs synctask code needs restructuring
Reviewed by: Dan Kimmel <[email protected]>
Reviewed by: Adam Leventhal <[email protected]>
Reviewed by: George Wilson <[email protected]>
Reviewed by: Christopher Siden <[email protected]>
Approved by: Garrett D'Amore <[email protected]>

References:
  https://www.illumos.org/issues/3464
  illumos/illumos-gate@3b2aab18808792cbd248a12f1edf139b89833c13

Ported-by: Tim Chase <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #1495

1 files changed, 66 insertions, 0 deletions

diff --git a/include/sys/dmu_send.h b/include/sys/dmu_send.h
new file mode 100644
index 000000000..ee0885a60
--- /dev/null
+++ b/include/sys/dmu_send.h
@@ -0,0 +1,66 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
+ */
+
+#ifndef _DMU_SEND_H
+#define	_DMU_SEND_H
+
+#include <sys/inttypes.h>
+#include <sys/spa.h>
+
+struct vnode;
+struct dsl_dataset;
+struct drr_begin;
+struct avl_tree;
+
+int dmu_send(const char *tosnap, const char *fromsnap, int outfd,
+    struct vnode *vp, offset_t *off);
+int dmu_send_estimate(struct dsl_dataset *ds, struct dsl_dataset *fromds,
+    uint64_t *sizep);
+int dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
+    int outfd, struct vnode *vp, offset_t *off);
+
+typedef struct dmu_recv_cookie {
+	struct dsl_dataset *drc_ds;
+	struct drr_begin *drc_drrb;
+	const char *drc_tofs;
+	const char *drc_tosnap;
+	boolean_t drc_newfs;
+	boolean_t drc_byteswap;
+	boolean_t drc_force;
+	struct avl_tree *drc_guid_to_ds_map;
+	zio_cksum_t drc_cksum;
+	uint64_t drc_newsnapobj;
+} dmu_recv_cookie_t;
+
+int dmu_recv_begin(char *tofs, char *tosnap, struct drr_begin *drrb,
+    boolean_t force, char *origin, dmu_recv_cookie_t *drc);
+int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp,
+    int cleanup_fd, uint64_t *action_handlep);
+int dmu_recv_end(dmu_recv_cookie_t *drc);
+
+#endif /* _DMU_SEND_H */