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894edd084e
This feature enables tracking of when TXGs are committed to disk, providing an estimated timestamp for each TXG. With this information, it becomes possible to perform scrubs based on specific date ranges, improving the granularity of data management and recovery operations. Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com> Reviewed-by: Paul Dagnelie <paul.dagnelie@klarasystems.com> Signed-off-by: Mariusz Zaborski <mariusz.zaborski@klarasystems.com> Sponsored-by: Klara, Inc. Sponsored-by: Wasabi Technology, Inc. Closes #16853
76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
// SPDX-License-Identifier: CDDL-1.0
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2024 Klara Inc.
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*
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* This software was developed by
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* Mariusz Zaborski <mariusz.zaborski@klarasystems.com>
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* Fred Weigel <fred.weigel@klarasystems.com>
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* under sponsorship from Wasabi Technology, Inc. and Klara Inc.
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*/
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#ifndef _CRRD_H_
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#define _CRRD_H_
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#define RRD_MAX_ENTRIES 256
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#define RRD_ENTRY_SIZE sizeof (uint64_t)
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#define RRD_STRUCT_ELEM (sizeof (rrd_t) / RRD_ENTRY_SIZE)
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typedef enum {
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DBRRD_FLOOR,
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DBRRD_CEILING
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} dbrrd_rounding_t;
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typedef struct {
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uint64_t rrdd_time;
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uint64_t rrdd_txg;
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} rrd_data_t;
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typedef struct {
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uint64_t rrd_head; /* head (beginning) */
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uint64_t rrd_tail; /* tail (end) */
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uint64_t rrd_length;
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rrd_data_t rrd_entries[RRD_MAX_ENTRIES];
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} rrd_t;
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typedef struct {
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rrd_t dbr_minutes;
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rrd_t dbr_days;
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rrd_t dbr_months;
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} dbrrd_t;
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size_t rrd_len(rrd_t *rrd);
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const rrd_data_t *rrd_entry(rrd_t *r, size_t i);
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rrd_data_t *rrd_tail_entry(rrd_t *rrd);
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uint64_t rrd_tail(rrd_t *rrd);
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uint64_t rrd_get(rrd_t *rrd, size_t i);
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void rrd_add(rrd_t *rrd, hrtime_t time, uint64_t txg);
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void dbrrd_add(dbrrd_t *db, hrtime_t time, uint64_t txg);
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uint64_t dbrrd_query(dbrrd_t *r, hrtime_t tv, dbrrd_rounding_t rouding);
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#endif
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