1*814dcd43SSerapheim Dimitropoulos /* 2*814dcd43SSerapheim Dimitropoulos * CDDL HEADER START 3*814dcd43SSerapheim Dimitropoulos * 4*814dcd43SSerapheim Dimitropoulos * The contents of this file are subject to the terms of the 5*814dcd43SSerapheim Dimitropoulos * Common Development and Distribution License (the "License"). 6*814dcd43SSerapheim Dimitropoulos * You may not use this file except in compliance with the License. 7*814dcd43SSerapheim Dimitropoulos * 8*814dcd43SSerapheim Dimitropoulos * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*814dcd43SSerapheim Dimitropoulos * or http://www.opensolaris.org/os/licensing. 10*814dcd43SSerapheim Dimitropoulos * See the License for the specific language governing permissions 11*814dcd43SSerapheim Dimitropoulos * and limitations under the License. 12*814dcd43SSerapheim Dimitropoulos * 13*814dcd43SSerapheim Dimitropoulos * When distributing Covered Code, include this CDDL HEADER in each 14*814dcd43SSerapheim Dimitropoulos * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*814dcd43SSerapheim Dimitropoulos * If applicable, add the following below this CDDL HEADER, with the 16*814dcd43SSerapheim Dimitropoulos * fields enclosed by brackets "[]" replaced with your own identifying 17*814dcd43SSerapheim Dimitropoulos * information: Portions Copyright [yyyy] [name of copyright owner] 18*814dcd43SSerapheim Dimitropoulos * 19*814dcd43SSerapheim Dimitropoulos * CDDL HEADER END 20*814dcd43SSerapheim Dimitropoulos */ 21*814dcd43SSerapheim Dimitropoulos 22*814dcd43SSerapheim Dimitropoulos /* 23*814dcd43SSerapheim Dimitropoulos * Copyright (c) 2018, 2019 by Delphix. All rights reserved. 24*814dcd43SSerapheim Dimitropoulos * Copyright 2019 Joyent, Inc. 25*814dcd43SSerapheim Dimitropoulos */ 26*814dcd43SSerapheim Dimitropoulos 27*814dcd43SSerapheim Dimitropoulos #ifndef _SYS_SPA_LOG_SPACEMAP_H 28*814dcd43SSerapheim Dimitropoulos #define _SYS_SPA_LOG_SPACEMAP_H 29*814dcd43SSerapheim Dimitropoulos 30*814dcd43SSerapheim Dimitropoulos #include <sys/avl.h> 31*814dcd43SSerapheim Dimitropoulos 32*814dcd43SSerapheim Dimitropoulos #ifndef DIV_ROUND_UP 33*814dcd43SSerapheim Dimitropoulos #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) 34*814dcd43SSerapheim Dimitropoulos #endif 35*814dcd43SSerapheim Dimitropoulos 36*814dcd43SSerapheim Dimitropoulos typedef struct log_summary_entry { 37*814dcd43SSerapheim Dimitropoulos uint64_t lse_start; /* start TXG */ 38*814dcd43SSerapheim Dimitropoulos uint64_t lse_mscount; /* # of metaslabs needed to be flushed */ 39*814dcd43SSerapheim Dimitropoulos uint64_t lse_blkcount; /* blocks held by this entry */ 40*814dcd43SSerapheim Dimitropoulos list_node_t lse_node; 41*814dcd43SSerapheim Dimitropoulos } log_summary_entry_t; 42*814dcd43SSerapheim Dimitropoulos 43*814dcd43SSerapheim Dimitropoulos typedef struct spa_unflushed_stats { 44*814dcd43SSerapheim Dimitropoulos /* used for memory heuristic */ 45*814dcd43SSerapheim Dimitropoulos uint64_t sus_memused; /* current memory used for unflushed trees */ 46*814dcd43SSerapheim Dimitropoulos 47*814dcd43SSerapheim Dimitropoulos /* used for block heuristic */ 48*814dcd43SSerapheim Dimitropoulos uint64_t sus_blocklimit; /* max # of log blocks allowed */ 49*814dcd43SSerapheim Dimitropoulos uint64_t sus_nblocks; /* # of blocks in log space maps currently */ 50*814dcd43SSerapheim Dimitropoulos } spa_unflushed_stats_t; 51*814dcd43SSerapheim Dimitropoulos 52*814dcd43SSerapheim Dimitropoulos typedef struct spa_log_sm { 53*814dcd43SSerapheim Dimitropoulos uint64_t sls_sm_obj; /* space map object ID */ 54*814dcd43SSerapheim Dimitropoulos uint64_t sls_txg; /* txg logged on the space map */ 55*814dcd43SSerapheim Dimitropoulos uint64_t sls_nblocks; /* number of blocks in this log */ 56*814dcd43SSerapheim Dimitropoulos uint64_t sls_mscount; /* # of metaslabs flushed in the log's txg */ 57*814dcd43SSerapheim Dimitropoulos avl_node_t sls_node; /* node in spa_sm_logs_by_txg */ 58*814dcd43SSerapheim Dimitropoulos } spa_log_sm_t; 59*814dcd43SSerapheim Dimitropoulos 60*814dcd43SSerapheim Dimitropoulos int spa_ld_log_spacemaps(spa_t *); 61*814dcd43SSerapheim Dimitropoulos 62*814dcd43SSerapheim Dimitropoulos void spa_generate_syncing_log_sm(spa_t *, dmu_tx_t *); 63*814dcd43SSerapheim Dimitropoulos void spa_flush_metaslabs(spa_t *, dmu_tx_t *); 64*814dcd43SSerapheim Dimitropoulos void spa_sync_close_syncing_log_sm(spa_t *); 65*814dcd43SSerapheim Dimitropoulos 66*814dcd43SSerapheim Dimitropoulos void spa_cleanup_old_sm_logs(spa_t *, dmu_tx_t *); 67*814dcd43SSerapheim Dimitropoulos 68*814dcd43SSerapheim Dimitropoulos uint64_t spa_log_sm_blocklimit(spa_t *); 69*814dcd43SSerapheim Dimitropoulos void spa_log_sm_set_blocklimit(spa_t *); 70*814dcd43SSerapheim Dimitropoulos uint64_t spa_log_sm_nblocks(spa_t *); 71*814dcd43SSerapheim Dimitropoulos uint64_t spa_log_sm_memused(spa_t *); 72*814dcd43SSerapheim Dimitropoulos 73*814dcd43SSerapheim Dimitropoulos void spa_log_sm_decrement_mscount(spa_t *, uint64_t); 74*814dcd43SSerapheim Dimitropoulos void spa_log_sm_increment_current_mscount(spa_t *); 75*814dcd43SSerapheim Dimitropoulos 76*814dcd43SSerapheim Dimitropoulos void spa_log_summary_add_flushed_metaslab(spa_t *); 77*814dcd43SSerapheim Dimitropoulos void spa_log_summary_decrement_mscount(spa_t *, uint64_t); 78*814dcd43SSerapheim Dimitropoulos void spa_log_summary_decrement_blkcount(spa_t *, uint64_t); 79*814dcd43SSerapheim Dimitropoulos 80*814dcd43SSerapheim Dimitropoulos boolean_t spa_flush_all_logs_requested(spa_t *); 81*814dcd43SSerapheim Dimitropoulos 82*814dcd43SSerapheim Dimitropoulos extern int zfs_keep_log_spacemaps_at_export; 83*814dcd43SSerapheim Dimitropoulos 84*814dcd43SSerapheim Dimitropoulos #endif /* _SYS_SPA_LOG_SPACEMAP_H */ 85