diff options
Diffstat (limited to 'include/sys/dsl_bookmark.h')
-rw-r--r-- | include/sys/dsl_bookmark.h | 76 |
1 files changed, 72 insertions, 4 deletions
diff --git a/include/sys/dsl_bookmark.h b/include/sys/dsl_bookmark.h index 3cdad7441..05ebb76d2 100644 --- a/include/sys/dsl_bookmark.h +++ b/include/sys/dsl_bookmark.h @@ -13,22 +13,21 @@ * CDDL HEADER END */ /* - * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2013, 2018 by Delphix. All rights reserved. */ #ifndef _SYS_DSL_BOOKMARK_H #define _SYS_DSL_BOOKMARK_H #include <sys/zfs_context.h> +#include <sys/refcount.h> #include <sys/dsl_dataset.h> +#include <sys/dsl_pool.h> #ifdef __cplusplus extern "C" { #endif -struct dsl_pool; -struct dsl_dataset; - /* * On disk zap object. */ @@ -55,12 +54,81 @@ typedef struct zfs_bookmark_phys { #define BOOKMARK_PHYS_SIZE_V1 (3 * sizeof (uint64_t)) #define BOOKMARK_PHYS_SIZE_V2 (12 * sizeof (uint64_t)) +typedef enum zbm_flags { + ZBM_FLAG_HAS_FBN = (1 << 0), + ZBM_FLAG_SNAPSHOT_EXISTS = (1 << 1), +} zbm_flags_t; + +typedef struct redaction_list_phys { + uint64_t rlp_last_object; + uint64_t rlp_last_blkid; + uint64_t rlp_num_entries; + uint64_t rlp_num_snaps; + uint64_t rlp_snaps[]; /* variable length */ +} redaction_list_phys_t; + +typedef struct redaction_list { + dmu_buf_user_t rl_dbu; + redaction_list_phys_t *rl_phys; + dmu_buf_t *rl_dbuf; + uint64_t rl_object; + zfs_refcount_t rl_longholds; + objset_t *rl_mos; +} redaction_list_t; + +/* node in ds_bookmarks */ +typedef struct dsl_bookmark_node { + char *dbn_name; /* free with strfree() */ + kmutex_t dbn_lock; /* protects dirty/phys in block_killed */ + boolean_t dbn_dirty; /* in currently syncing txg */ + zfs_bookmark_phys_t dbn_phys; + avl_node_t dbn_node; +} dsl_bookmark_node_t; + +typedef struct redact_block_phys { + uint64_t rbp_object; + uint64_t rbp_blkid; + /* + * The top 16 bits of this field represent the block size in sectors of + * the blocks in question; the bottom 48 bits are used to store the + * number of consecutive blocks that are in the redaction list. They + * should be accessed using the inline functions below. + */ + uint64_t rbp_size_count; + uint64_t rbp_padding; +} redact_block_phys_t; + +typedef int (*rl_traverse_callback_t)(redact_block_phys_t *, void *); + int dsl_bookmark_create(nvlist_t *, nvlist_t *); +int dsl_bookmark_create_redacted(const char *, const char *, uint64_t, + uint64_t *, void *, redaction_list_t **); int dsl_get_bookmarks(const char *, nvlist_t *, nvlist_t *); int dsl_get_bookmarks_impl(dsl_dataset_t *, nvlist_t *, nvlist_t *); +int dsl_get_bookmark_props(const char *, const char *, nvlist_t *); int dsl_bookmark_destroy(nvlist_t *, nvlist_t *); int dsl_bookmark_lookup(struct dsl_pool *, const char *, struct dsl_dataset *, zfs_bookmark_phys_t *); +int dsl_bookmark_lookup_impl(dsl_dataset_t *, const char *, + zfs_bookmark_phys_t *); +int dsl_redaction_list_hold_obj(struct dsl_pool *, uint64_t, void *, + redaction_list_t **); +void dsl_redaction_list_rele(redaction_list_t *, void *); +void dsl_redaction_list_long_hold(struct dsl_pool *, redaction_list_t *, + void *); +void dsl_redaction_list_long_rele(redaction_list_t *, void *); +boolean_t dsl_redaction_list_long_held(redaction_list_t *); +int dsl_bookmark_init_ds(dsl_dataset_t *); +void dsl_bookmark_fini_ds(dsl_dataset_t *); +boolean_t dsl_bookmark_ds_destroyed(dsl_dataset_t *, dmu_tx_t *); +void dsl_bookmark_snapshotted(dsl_dataset_t *, dmu_tx_t *); +void dsl_bookmark_block_killed(dsl_dataset_t *, const blkptr_t *, dmu_tx_t *); +void dsl_bookmark_sync_done(dsl_dataset_t *, dmu_tx_t *); +void dsl_bookmark_node_add(dsl_dataset_t *, dsl_bookmark_node_t *, dmu_tx_t *); +uint64_t dsl_bookmark_latest_txg(dsl_dataset_t *); +int dsl_redaction_list_traverse(redaction_list_t *, zbookmark_phys_t *, + rl_traverse_callback_t, void *); +void dsl_bookmark_next_changed(dsl_dataset_t *, dsl_dataset_t *, dmu_tx_t *); #ifdef __cplusplus } |