1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #ifndef _SYS_DSL_DEADLIST_H 26 #define _SYS_DSL_DEADLIST_H 27 28 #include <sys/bpobj.h> 29 #include <sys/zfs_context.h> 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 struct dmu_buf; 36 struct dsl_dataset; 37 38 typedef struct dsl_deadlist_phys { 39 uint64_t dl_used; 40 uint64_t dl_comp; 41 uint64_t dl_uncomp; 42 uint64_t dl_pad[37]; /* pad out to 320b for future expansion */ 43 } dsl_deadlist_phys_t; 44 45 typedef struct dsl_deadlist { 46 objset_t *dl_os; 47 uint64_t dl_object; 48 avl_tree_t dl_tree; 49 boolean_t dl_havetree; 50 struct dmu_buf *dl_dbuf; 51 dsl_deadlist_phys_t *dl_phys; 52 kmutex_t dl_lock; 53 54 /* if it's the old on-disk format: */ 55 bpobj_t dl_bpobj; 56 boolean_t dl_oldfmt; 57 } dsl_deadlist_t; 58 59 typedef struct dsl_deadlist_entry { 60 avl_node_t dle_node; 61 uint64_t dle_mintxg; 62 bpobj_t dle_bpobj; 63 } dsl_deadlist_entry_t; 64 65 void dsl_deadlist_open(dsl_deadlist_t *dl, objset_t *os, uint64_t object); 66 void dsl_deadlist_close(dsl_deadlist_t *dl); 67 uint64_t dsl_deadlist_alloc(objset_t *os, dmu_tx_t *tx); 68 void dsl_deadlist_free(objset_t *os, uint64_t dlobj, dmu_tx_t *tx); 69 void dsl_deadlist_insert(dsl_deadlist_t *dl, const blkptr_t *bp, dmu_tx_t *tx); 70 void dsl_deadlist_add_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx); 71 void dsl_deadlist_remove_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx); 72 uint64_t dsl_deadlist_clone(dsl_deadlist_t *dl, uint64_t maxtxg, 73 uint64_t mrs_obj, dmu_tx_t *tx); 74 void dsl_deadlist_space(dsl_deadlist_t *dl, 75 uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 76 void dsl_deadlist_space_range(dsl_deadlist_t *dl, 77 uint64_t mintxg, uint64_t maxtxg, 78 uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 79 void dsl_deadlist_merge(dsl_deadlist_t *dl, uint64_t obj, dmu_tx_t *tx); 80 void dsl_deadlist_move_bpobj(dsl_deadlist_t *dl, bpobj_t *bpo, uint64_t mintxg, 81 dmu_tx_t *tx); 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* _SYS_DSL_DEADLIST_H */ 88