diff options
Diffstat (limited to 'sys/contrib/openzfs/include/sys/dsl_deadlist.h')
| -rw-r--r-- | sys/contrib/openzfs/include/sys/dsl_deadlist.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/include/sys/dsl_deadlist.h b/sys/contrib/openzfs/include/sys/dsl_deadlist.h new file mode 100644 index 000000000000..64358bb5fc0b --- /dev/null +++ b/sys/contrib/openzfs/include/sys/dsl_deadlist.h @@ -0,0 +1,128 @@ +/* + * 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. + * Copyright (c) 2018, 2019 by Delphix. All rights reserved. + */ + +#ifndef _SYS_DSL_DEADLIST_H +#define _SYS_DSL_DEADLIST_H + +#include <sys/bpobj.h> +#include <sys/zfs_context.h> +#include <sys/zthr.h> + +#ifdef __cplusplus +extern "C" { +#endif + +struct dmu_buf; +struct dsl_pool; +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; /* contains dsl_deadlist_entry_t */ + avl_tree_t dl_cache; /* contains dsl_deadlist_cache_entry_t */ + boolean_t dl_havetree; + boolean_t dl_havecache; + 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_cache_entry { + avl_node_t dlce_node; + uint64_t dlce_mintxg; + uint64_t dlce_bpobj; + uint64_t dlce_bytes; + uint64_t dlce_comp; + uint64_t dlce_uncomp; +} dsl_deadlist_cache_entry_t; + +typedef struct dsl_deadlist_entry { + avl_node_t dle_node; + uint64_t dle_mintxg; + bpobj_t dle_bpobj; +} dsl_deadlist_entry_t; + +typedef struct livelist_condense_entry { + struct dsl_dataset *ds; + dsl_deadlist_entry_t *first; + dsl_deadlist_entry_t *next; + boolean_t syncing; + boolean_t cancelled; +} livelist_condense_entry_t; + +extern unsigned long zfs_livelist_max_entries; +extern int zfs_livelist_min_percent_shared; + +typedef int deadlist_iter_t(void *args, dsl_deadlist_entry_t *dle); + +void dsl_deadlist_open(dsl_deadlist_t *dl, objset_t *os, uint64_t object); +void dsl_deadlist_close(dsl_deadlist_t *dl); +void dsl_deadlist_iterate(dsl_deadlist_t *dl, deadlist_iter_t func, void *arg); +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, + boolean_t free, dmu_tx_t *tx); +int dsl_deadlist_insert_alloc_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx); +int dsl_deadlist_insert_free_cb(void *arg, 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); +void dsl_deadlist_remove_entry(dsl_deadlist_t *dl, uint64_t mintxg, +dmu_tx_t *tx); +dsl_deadlist_entry_t *dsl_deadlist_first(dsl_deadlist_t *dl); +dsl_deadlist_entry_t *dsl_deadlist_last(dsl_deadlist_t *dl); +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); +boolean_t dsl_deadlist_is_open(dsl_deadlist_t *dl); +int dsl_process_sub_livelist(bpobj_t *bpobj, struct bplist *to_free, + zthr_t *t, uint64_t *size); +void dsl_deadlist_clear_entry(dsl_deadlist_entry_t *dle, dsl_deadlist_t *dl, + dmu_tx_t *tx); +void dsl_deadlist_discard_tree(dsl_deadlist_t *dl); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DSL_DEADLIST_H */ |