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 * Copyright (c) 2015 by Delphix. All rights reserved. 24 */ 25 26 #ifndef _SYS_DSL_DEADLIST_H 27 #define _SYS_DSL_DEADLIST_H 28 29 #include <sys/bpobj.h> 30 #include <sys/zfs_context.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 struct dmu_buf; 37 struct dsl_dataset; 38 39 typedef struct dsl_deadlist_phys { 40 uint64_t dl_used; 41 uint64_t dl_comp; 42 uint64_t dl_uncomp; 43 uint64_t dl_pad[37]; /* pad out to 320b for future expansion */ 44 } dsl_deadlist_phys_t; 45 46 typedef struct dsl_deadlist { 47 objset_t *dl_os; 48 uint64_t dl_object; 49 avl_tree_t dl_tree; 50 boolean_t dl_havetree; 51 struct dmu_buf *dl_dbuf; 52 dsl_deadlist_phys_t *dl_phys; 53 kmutex_t dl_lock; 54 55 /* if it's the old on-disk format: */ 56 bpobj_t dl_bpobj; 57 boolean_t dl_oldfmt; 58 } dsl_deadlist_t; 59 60 typedef struct dsl_deadlist_entry { 61 avl_node_t dle_node; 62 uint64_t dle_mintxg; 63 bpobj_t dle_bpobj; 64 } dsl_deadlist_entry_t; 65 66 void dsl_deadlist_open(dsl_deadlist_t *dl, objset_t *os, uint64_t object); 67 void dsl_deadlist_close(dsl_deadlist_t *dl); 68 uint64_t dsl_deadlist_alloc(objset_t *os, dmu_tx_t *tx); 69 void dsl_deadlist_free(objset_t *os, uint64_t dlobj, dmu_tx_t *tx); 70 void dsl_deadlist_insert(dsl_deadlist_t *dl, const blkptr_t *bp, dmu_tx_t *tx); 71 void dsl_deadlist_add_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx); 72 void dsl_deadlist_remove_key(dsl_deadlist_t *dl, uint64_t mintxg, dmu_tx_t *tx); 73 uint64_t dsl_deadlist_clone(dsl_deadlist_t *dl, uint64_t maxtxg, 74 uint64_t mrs_obj, dmu_tx_t *tx); 75 void dsl_deadlist_space(dsl_deadlist_t *dl, 76 uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 77 void dsl_deadlist_space_range(dsl_deadlist_t *dl, 78 uint64_t mintxg, uint64_t maxtxg, 79 uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); 80 void dsl_deadlist_merge(dsl_deadlist_t *dl, uint64_t obj, dmu_tx_t *tx); 81 void dsl_deadlist_move_bpobj(dsl_deadlist_t *dl, bpobj_t *bpo, uint64_t mintxg, 82 dmu_tx_t *tx); 83 boolean_t dsl_deadlist_is_open(dsl_deadlist_t *dl); 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* _SYS_DSL_DEADLIST_H */ 90