dsl_deadlist.h revision 332525
1193323Sed/* 2193323Sed * CDDL HEADER START 3193323Sed * 4193323Sed * The contents of this file are subject to the terms of the 5193323Sed * Common Development and Distribution License (the "License"). 6193323Sed * You may not use this file except in compliance with the License. 7193323Sed * 8193323Sed * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9193323Sed * or http://www.opensolaris.org/os/licensing. 10193323Sed * See the License for the specific language governing permissions 11193323Sed * and limitations under the License. 12193323Sed * 13193323Sed * When distributing Covered Code, include this CDDL HEADER in each 14193323Sed * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15193323Sed * If applicable, add the following below this CDDL HEADER, with the 16249423Sdim * fields enclosed by brackets "[]" replaced with your own identifying 17193323Sed * information: Portions Copyright [yyyy] [name of copyright owner] 18193323Sed * 19193323Sed * CDDL HEADER END 20249423Sdim */ 21198090Srdivacky/* 22193323Sed * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 23193323Sed * Copyright (c) 2015 by Delphix. All rights reserved. 24193323Sed */ 25193323Sed 26198090Srdivacky#ifndef _SYS_DSL_DEADLIST_H 27198090Srdivacky#define _SYS_DSL_DEADLIST_H 28198090Srdivacky 29198090Srdivacky#include <sys/bpobj.h> 30198090Srdivacky#include <sys/zfs_context.h> 31193323Sed 32193323Sed#ifdef __cplusplus 33193323Sedextern "C" { 34193323Sed#endif 35193323Sed 36193323Sedstruct dmu_buf; 37193323Sedstruct dsl_dataset; 38193323Sed 39193323Sedtypedef struct dsl_deadlist_phys { 40193323Sed uint64_t dl_used; 41198090Srdivacky uint64_t dl_comp; 42198090Srdivacky uint64_t dl_uncomp; 43198090Srdivacky uint64_t dl_pad[37]; /* pad out to 320b for future expansion */ 44198090Srdivacky} dsl_deadlist_phys_t; 45193323Sed 46193323Sedtypedef struct dsl_deadlist { 47193323Sed objset_t *dl_os; 48193323Sed uint64_t dl_object; 49193323Sed avl_tree_t dl_tree; 50193323Sed boolean_t dl_havetree; 51193323Sed struct dmu_buf *dl_dbuf; 52193323Sed dsl_deadlist_phys_t *dl_phys; 53198090Srdivacky kmutex_t dl_lock; 54198090Srdivacky 55207618Srdivacky /* if it's the old on-disk format: */ 56193323Sed bpobj_t dl_bpobj; 57193323Sed boolean_t dl_oldfmt; 58193323Sed} dsl_deadlist_t; 59193323Sed 60193323Sedtypedef struct dsl_deadlist_entry { 61193323Sed avl_node_t dle_node; 62218885Sdim uint64_t dle_mintxg; 63218885Sdim bpobj_t dle_bpobj; 64193323Sed} dsl_deadlist_entry_t; 65193323Sed 66193323Sedvoid dsl_deadlist_open(dsl_deadlist_t *dl, objset_t *os, uint64_t object); 67193323Sedvoid dsl_deadlist_close(dsl_deadlist_t *dl); 68198090Srdivackyuint64_t dsl_deadlist_alloc(objset_t *os, dmu_tx_t *tx); 69198090Srdivackyvoid dsl_deadlist_free(objset_t *os, uint64_t dlobj, dmu_tx_t *tx); 70198090Srdivackyvoid dsl_deadlist_insert(dsl_deadlist_t *dl, const blkptr_t *bp, dmu_tx_t *tx); 71198090Srdivackyvoid dsl_deadlist_add_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx); 72193323Sedvoid dsl_deadlist_remove_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx); 73198090Srdivackyuint64_t dsl_deadlist_clone(dsl_deadlist_t *dl, uint64_t maxtxg, 74198090Srdivacky uint64_t mrs_obj, dmu_tx_t *tx); 75193323Sedvoid dsl_deadlist_space(dsl_deadlist_t *dl, 76198090Srdivacky uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 77193323Sedvoid dsl_deadlist_space_range(dsl_deadlist_t *dl, 78193323Sed uint64_t mintxg, uint64_t maxtxg, 79193323Sed uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 80218885Sdimvoid dsl_deadlist_merge(dsl_deadlist_t *dl, uint64_t obj, dmu_tx_t *tx); 81193323Sedvoid dsl_deadlist_move_bpobj(dsl_deadlist_t *dl, bpobj_t *bpo, uint64_t mintxg, 82193323Sed dmu_tx_t *tx); 83198090Srdivackyboolean_t dsl_deadlist_is_open(dsl_deadlist_t *dl); 84198090Srdivacky 85198090Srdivacky#ifdef __cplusplus 86198090Srdivacky} 87198090Srdivacky#endif 88207618Srdivacky 89198090Srdivacky#endif /* _SYS_DSL_DEADLIST_H */ 90198090Srdivacky