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, 57 insertions, 0 deletions

diff --git a/include/sys/dsl_userhold.h b/include/sys/dsl_userhold.h
new file mode 100644
index 000000000..56c6c8f47
--- /dev/null
+++ b/include/sys/dsl_userhold.h
@@ -0,0 +1,57 @@
+
+/*
+ * 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 (c) 2012, Joyent, Inc. All rights reserved.
+ */
+
+#ifndef	_SYS_DSL_USERHOLD_H
+#define	_SYS_DSL_USERHOLD_H
+
+#include <sys/nvpair.h>
+#include <sys/types.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+struct dsl_pool;
+struct dsl_dataset;
+struct dmu_tx;
+
+int dsl_dataset_user_hold(nvlist_t *holds, minor_t cleanup_minor,
+    nvlist_t *errlist);
+int dsl_dataset_user_release(nvlist_t *holds, nvlist_t *errlist);
+int dsl_dataset_get_holds(const char *dsname, nvlist_t *nvl);
+void dsl_dataset_user_release_tmp(struct dsl_pool *dp, uint64_t dsobj,
+    const char *htag);
+int dsl_dataset_user_hold_check_one(struct dsl_dataset *ds, const char *htag,
+    boolean_t temphold, struct dmu_tx *tx);
+void dsl_dataset_user_hold_sync_one(struct dsl_dataset *ds, const char *htag,
+    minor_t minor, uint64_t now, struct dmu_tx *tx);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _SYS_DSL_USERHOLD_H */