mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-27 03:19:35 +03:00
8f2f6cd2ac
This is the buffer size passed to ddt_object_name(), to expand the DMU_POOL_DDT format. That format inserts the table checksum, class and type names, which as I write this are max 6, 9 and 3, respectively. Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Sponsored-by: https://despairlabs.com/sponsor/ Closes #15908
96 lines
3.1 KiB
C
96 lines
3.1 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 https://opensource.org/licenses/CDDL-1.0.
|
|
* 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) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
|
|
* Copyright (c) 2016 by Delphix. All rights reserved.
|
|
* Copyright (c) 2023, Klara Inc.
|
|
*/
|
|
|
|
#ifndef _SYS_DDT_IMPL_H
|
|
#define _SYS_DDT_IMPL_H
|
|
|
|
#include <sys/ddt.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* Ops vector to access a specific DDT object type.
|
|
*/
|
|
typedef struct {
|
|
char ddt_op_name[32];
|
|
int (*ddt_op_create)(objset_t *os, uint64_t *object, dmu_tx_t *tx,
|
|
boolean_t prehash);
|
|
int (*ddt_op_destroy)(objset_t *os, uint64_t object, dmu_tx_t *tx);
|
|
int (*ddt_op_lookup)(objset_t *os, uint64_t object,
|
|
const ddt_key_t *ddk, ddt_phys_t *phys, size_t psize);
|
|
int (*ddt_op_contains)(objset_t *os, uint64_t object,
|
|
const ddt_key_t *ddk);
|
|
void (*ddt_op_prefetch)(objset_t *os, uint64_t object,
|
|
const ddt_key_t *ddk);
|
|
int (*ddt_op_update)(objset_t *os, uint64_t object,
|
|
const ddt_key_t *ddk, const ddt_phys_t *phys, size_t psize,
|
|
dmu_tx_t *tx);
|
|
int (*ddt_op_remove)(objset_t *os, uint64_t object,
|
|
const ddt_key_t *ddk, dmu_tx_t *tx);
|
|
int (*ddt_op_walk)(objset_t *os, uint64_t object, uint64_t *walk,
|
|
ddt_key_t *ddk, ddt_phys_t *phys, size_t psize);
|
|
int (*ddt_op_count)(objset_t *os, uint64_t object, uint64_t *count);
|
|
} ddt_ops_t;
|
|
|
|
extern const ddt_ops_t ddt_zap_ops;
|
|
|
|
extern void ddt_stat_update(ddt_t *ddt, ddt_entry_t *dde, uint64_t neg);
|
|
|
|
/*
|
|
* These are only exposed so that zdb can access them. Try not to use them
|
|
* outside of the DDT implementation proper, and if you do, consider moving
|
|
* them up.
|
|
*/
|
|
|
|
/*
|
|
* Enough room to expand DMU_POOL_DDT format for all possible DDT
|
|
* checksum/class/type combinations.
|
|
*/
|
|
#define DDT_NAMELEN 32
|
|
|
|
extern uint64_t ddt_phys_total_refcnt(const ddt_entry_t *dde);
|
|
|
|
extern void ddt_key_fill(ddt_key_t *ddk, const blkptr_t *bp);
|
|
|
|
extern void ddt_stat_add(ddt_stat_t *dst, const ddt_stat_t *src, uint64_t neg);
|
|
|
|
extern void ddt_object_name(ddt_t *ddt, ddt_type_t type, ddt_class_t clazz,
|
|
char *name);
|
|
extern int ddt_object_walk(ddt_t *ddt, ddt_type_t type, ddt_class_t clazz,
|
|
uint64_t *walk, ddt_entry_t *dde);
|
|
extern int ddt_object_count(ddt_t *ddt, ddt_type_t type, ddt_class_t clazz,
|
|
uint64_t *count);
|
|
extern int ddt_object_info(ddt_t *ddt, ddt_type_t type, ddt_class_t clazz,
|
|
dmu_object_info_t *);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYS_DDT_H */
|