Illumos #2619 and #2747

2619 asynchronous destruction of ZFS file systems
2747 SPA versioning with zfs feature flags
Reviewed by: Matt Ahrens <[email protected]>
Reviewed by: George Wilson <[email protected]>
Reviewed by: Richard Lowe <[email protected]>
Reviewed by: Dan Kruchinin <[email protected]>
Approved by: Eric Schrock <[email protected]>

References:
  illumos/illumos-gate@53089ab7c84db6fb76c16ca50076c147cda11757
  illumos/illumos-gate@ad135b5d644628e791c3188a6ecbd9c257961ef8
  illumos changeset: 13700:2889e2596bd6
  https://www.illumos.org/issues/2619
  https://www.illumos.org/issues/2747

NOTE: The grub specific changes were not ported.  This change
must be made to the Linux grub packages.

Ported-by: Brian Behlendorf <[email protected]>

1 files changed, 64 insertions, 0 deletions

diff --git a/include/sys/bptree.h b/include/sys/bptree.h
new file mode 100644
index 000000000..971507211
--- /dev/null
+++ b/include/sys/bptree.h
@@ -0,0 +1,64 @@
+/*
+ * 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) 2012 by Delphix. All rights reserved.
+ */
+
+#ifndef	_SYS_BPTREE_H
+#define	_SYS_BPTREE_H
+
+#include <sys/spa.h>
+#include <sys/zio.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef struct bptree_phys {
+	uint64_t bt_begin;
+	uint64_t bt_end;
+	uint64_t bt_bytes;
+	uint64_t bt_comp;
+	uint64_t bt_uncomp;
+} bptree_phys_t;
+
+typedef struct bptree_entry_phys {
+	blkptr_t be_bp;
+	uint64_t be_birth_txg; /* only delete blocks born after this txg */
+	zbookmark_t be_zb; /* holds traversal resume point if needed */
+} bptree_entry_phys_t;
+
+typedef int bptree_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx);
+
+uint64_t bptree_alloc(objset_t *os, dmu_tx_t *tx);
+int bptree_free(objset_t *os, uint64_t obj, dmu_tx_t *tx);
+
+void bptree_add(objset_t *os, uint64_t obj, blkptr_t *bp, uint64_t birth_txg,
+    uint64_t bytes, uint64_t comp, uint64_t uncomp, dmu_tx_t *tx);
+
+int bptree_iterate(objset_t *os, uint64_t obj, boolean_t free,
+    bptree_itor_t func, void *arg, dmu_tx_t *tx);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_BPTREE_H */