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-rw-r--r--uts/common/fs/zfs/sys/dsl_deadlist.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/uts/common/fs/zfs/sys/dsl_deadlist.h b/uts/common/fs/zfs/sys/dsl_deadlist.h
new file mode 100644
index 000000000000..d2c16d72c17e
--- /dev/null
+++ b/uts/common/fs/zfs/sys/dsl_deadlist.h
@@ -0,0 +1,87 @@
+/*
+ * 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) 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+#ifndef _SYS_DSL_DEADLIST_H
+#define _SYS_DSL_DEADLIST_H
+
+#include <sys/bpobj.h>
+#include <sys/zfs_context.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct dmu_buf;
+struct dsl_dataset;
+
+typedef struct dsl_deadlist_phys {
+ uint64_t dl_used;
+ uint64_t dl_comp;
+ uint64_t dl_uncomp;
+ uint64_t dl_pad[37]; /* pad out to 320b for future expansion */
+} dsl_deadlist_phys_t;
+
+typedef struct dsl_deadlist {
+ objset_t *dl_os;
+ uint64_t dl_object;
+ avl_tree_t dl_tree;
+ boolean_t dl_havetree;
+ struct dmu_buf *dl_dbuf;
+ dsl_deadlist_phys_t *dl_phys;
+ kmutex_t dl_lock;
+
+ /* if it's the old on-disk format: */
+ bpobj_t dl_bpobj;
+ boolean_t dl_oldfmt;
+} dsl_deadlist_t;
+
+typedef struct dsl_deadlist_entry {
+ avl_node_t dle_node;
+ uint64_t dle_mintxg;
+ bpobj_t dle_bpobj;
+} dsl_deadlist_entry_t;
+
+void dsl_deadlist_open(dsl_deadlist_t *dl, objset_t *os, uint64_t object);
+void dsl_deadlist_close(dsl_deadlist_t *dl);
+uint64_t dsl_deadlist_alloc(objset_t *os, dmu_tx_t *tx);
+void dsl_deadlist_free(objset_t *os, uint64_t dlobj, dmu_tx_t *tx);
+void dsl_deadlist_insert(dsl_deadlist_t *dl, const blkptr_t *bp, dmu_tx_t *tx);
+void dsl_deadlist_add_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx);
+void dsl_deadlist_remove_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx);
+uint64_t dsl_deadlist_clone(dsl_deadlist_t *dl, uint64_t maxtxg,
+ uint64_t mrs_obj, dmu_tx_t *tx);
+void dsl_deadlist_space(dsl_deadlist_t *dl,
+ uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
+void dsl_deadlist_space_range(dsl_deadlist_t *dl,
+ uint64_t mintxg, uint64_t maxtxg,
+ uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
+void dsl_deadlist_merge(dsl_deadlist_t *dl, uint64_t obj, dmu_tx_t *tx);
+void dsl_deadlist_move_bpobj(dsl_deadlist_t *dl, bpobj_t *bpo, uint64_t mintxg,
+ dmu_tx_t *tx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_DSL_DEADLIST_H */