mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-17 10:01:01 +03:00
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
|
/*
|
||
|
|
* 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) 2018, 2019 by Delphix. All rights reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _SYS_SPA_LOG_SPACEMAP_H
|
||
|
|
#define _SYS_SPA_LOG_SPACEMAP_H
|
||
|
|
|
||
|
|
#include <sys/avl.h>
|
||
|
|
|
||
|
|
typedef struct log_summary_entry {
|
||
|
|
uint64_t lse_start; /* start TXG */
|
||
|
|
uint64_t lse_mscount; /* # of metaslabs needed to be flushed */
|
||
|
|
uint64_t lse_blkcount; /* blocks held by this entry */
|
||
|
|
list_node_t lse_node;
|
||
|
|
} log_summary_entry_t;
|
||
|
|
|
||
|
|
typedef struct spa_unflushed_stats {
|
||
|
|
/* used for memory heuristic */
|
||
|
|
uint64_t sus_memused; /* current memory used for unflushed trees */
|
||
|
|
|
||
|
|
/* used for block heuristic */
|
||
|
|
uint64_t sus_blocklimit; /* max # of log blocks allowed */
|
||
|
|
uint64_t sus_nblocks; /* # of blocks in log space maps currently */
|
||
|
|
} spa_unflushed_stats_t;
|
||
|
|
|
||
|
|
typedef struct spa_log_sm {
|
||
|
|
uint64_t sls_sm_obj; /* space map object ID */
|
||
|
|
uint64_t sls_txg; /* txg logged on the space map */
|
||
|
|
uint64_t sls_nblocks; /* number of blocks in this log */
|
||
|
|
uint64_t sls_mscount; /* # of metaslabs flushed in the log's txg */
|
||
|
|
avl_node_t sls_node; /* node in spa_sm_logs_by_txg */
|
||
|
|
} spa_log_sm_t;
|
||
|
|
|
||
|
|
int spa_ld_log_spacemaps(spa_t *);
|
||
|
|
|
||
|
|
void spa_generate_syncing_log_sm(spa_t *, dmu_tx_t *);
|
||
|
|
void spa_flush_metaslabs(spa_t *, dmu_tx_t *);
|
||
|
|
void spa_sync_close_syncing_log_sm(spa_t *);
|
||
|
|
|
||
|
|
void spa_cleanup_old_sm_logs(spa_t *, dmu_tx_t *);
|
||
|
|
|
||
|
|
uint64_t spa_log_sm_blocklimit(spa_t *);
|
||
|
|
void spa_log_sm_set_blocklimit(spa_t *);
|
||
|
|
uint64_t spa_log_sm_nblocks(spa_t *);
|
||
|
|
uint64_t spa_log_sm_memused(spa_t *);
|
||
|
|
|
||
|
|
void spa_log_sm_decrement_mscount(spa_t *, uint64_t);
|
||
|
|
void spa_log_sm_increment_current_mscount(spa_t *);
|
||
|
|
|
||
|
|
void spa_log_summary_add_flushed_metaslab(spa_t *);
|
||
|
|
void spa_log_summary_decrement_mscount(spa_t *, uint64_t);
|
||
|
|
void spa_log_summary_decrement_blkcount(spa_t *, uint64_t);
|
||
|
|
|
||
|
|
boolean_t spa_flush_all_logs_requested(spa_t *);
|
||
|
|
|
||
|
|
extern int zfs_keep_log_spacemaps_at_export;
|
||
|
|
|
||
|
|
#endif /* _SYS_SPA_LOG_SPACEMAP_H */
|