mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-17 10:01:01 +03:00
90 lines
2.7 KiB
C
90 lines
2.7 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 2008 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
#ifndef _SYS_BPLIST_H
|
|
#define _SYS_BPLIST_H
|
|
|
|
#include <sys/dmu.h>
|
|
#include <sys/spa.h>
|
|
#include <sys/txg.h>
|
|
#include <sys/zfs_context.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct bplist_phys {
|
|
/*
|
|
* This is the bonus buffer for the dead lists. The object's
|
|
* contents is an array of bpl_entries blkptr_t's, representing
|
|
* a total of bpl_bytes physical space.
|
|
*/
|
|
uint64_t bpl_entries;
|
|
uint64_t bpl_bytes;
|
|
uint64_t bpl_comp;
|
|
uint64_t bpl_uncomp;
|
|
} bplist_phys_t;
|
|
|
|
#define BPLIST_SIZE_V0 (2 * sizeof (uint64_t))
|
|
|
|
typedef struct bplist_q {
|
|
blkptr_t bpq_blk;
|
|
void *bpq_next;
|
|
} bplist_q_t;
|
|
|
|
typedef struct bplist {
|
|
kmutex_t bpl_lock;
|
|
objset_t *bpl_mos;
|
|
uint64_t bpl_object;
|
|
uint8_t bpl_blockshift;
|
|
uint8_t bpl_bpshift;
|
|
uint8_t bpl_havecomp;
|
|
bplist_q_t *bpl_queue;
|
|
bplist_phys_t *bpl_phys;
|
|
dmu_buf_t *bpl_dbuf;
|
|
dmu_buf_t *bpl_cached_dbuf;
|
|
} bplist_t;
|
|
|
|
extern uint64_t bplist_create(objset_t *mos, int blocksize, dmu_tx_t *tx);
|
|
extern void bplist_destroy(objset_t *mos, uint64_t object, dmu_tx_t *tx);
|
|
extern int bplist_open(bplist_t *bpl, objset_t *mos, uint64_t object);
|
|
extern void bplist_close(bplist_t *bpl);
|
|
extern boolean_t bplist_empty(bplist_t *bpl);
|
|
extern int bplist_iterate(bplist_t *bpl, uint64_t *itorp, blkptr_t *bp);
|
|
extern int bplist_enqueue(bplist_t *bpl, const blkptr_t *bp, dmu_tx_t *tx);
|
|
extern void bplist_enqueue_deferred(bplist_t *bpl, const blkptr_t *bp);
|
|
extern void bplist_sync(bplist_t *bpl, dmu_tx_t *tx);
|
|
extern void bplist_vacate(bplist_t *bpl, dmu_tx_t *tx);
|
|
extern int bplist_space(bplist_t *bpl,
|
|
uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
|
|
extern int bplist_space_birthrange(bplist_t *bpl,
|
|
uint64_t mintxg, uint64_t maxtxg, uint64_t *dasizep);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYS_BPLIST_H */
|