/* * 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 */