mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-26 19:19:32 +03:00
9ae529ec5d
2619 asynchronous destruction of ZFS file systems 2747 SPA versioning with zfs feature flags Reviewed by: Matt Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <gwilson@delphix.com> Reviewed by: Richard Lowe <richlowe@richlowe.net> Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com> Approved by: Eric Schrock <Eric.Schrock@delphix.com> References: illumos/illumos-gate@53089ab7c8 illumos/illumos-gate@ad135b5d64 illumos changeset: 13700:2889e2596bd6 https://www.illumos.org/issues/2619 https://www.illumos.org/issues/2747 NOTE: The grub specific changes were not ported. This change must be made to the Linux grub packages. Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
113 lines
3.2 KiB
C
113 lines
3.2 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) 2010, Oracle and/or its affiliates. All rights reserved.
|
|
* Copyright (c) 2012 by Delphix. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _SYS_DSL_SCAN_H
|
|
#define _SYS_DSL_SCAN_H
|
|
|
|
#include <sys/zfs_context.h>
|
|
#include <sys/zio.h>
|
|
#include <sys/ddt.h>
|
|
#include <sys/bplist.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct objset;
|
|
struct dsl_dir;
|
|
struct dsl_dataset;
|
|
struct dsl_pool;
|
|
struct dmu_tx;
|
|
|
|
/*
|
|
* All members of this structure must be uint64_t, for byteswap
|
|
* purposes.
|
|
*/
|
|
typedef struct dsl_scan_phys {
|
|
uint64_t scn_func; /* pool_scan_func_t */
|
|
uint64_t scn_state; /* dsl_scan_state_t */
|
|
uint64_t scn_queue_obj;
|
|
uint64_t scn_min_txg;
|
|
uint64_t scn_max_txg;
|
|
uint64_t scn_cur_min_txg;
|
|
uint64_t scn_cur_max_txg;
|
|
uint64_t scn_start_time;
|
|
uint64_t scn_end_time;
|
|
uint64_t scn_to_examine; /* total bytes to be scanned */
|
|
uint64_t scn_examined; /* bytes scanned so far */
|
|
uint64_t scn_to_process;
|
|
uint64_t scn_processed;
|
|
uint64_t scn_errors; /* scan I/O error count */
|
|
uint64_t scn_ddt_class_max;
|
|
ddt_bookmark_t scn_ddt_bookmark;
|
|
zbookmark_t scn_bookmark;
|
|
uint64_t scn_flags; /* dsl_scan_flags_t */
|
|
} dsl_scan_phys_t;
|
|
|
|
#define SCAN_PHYS_NUMINTS (sizeof (dsl_scan_phys_t) / sizeof (uint64_t))
|
|
|
|
typedef enum dsl_scan_flags {
|
|
DSF_VISIT_DS_AGAIN = 1<<0,
|
|
} dsl_scan_flags_t;
|
|
|
|
typedef struct dsl_scan {
|
|
struct dsl_pool *scn_dp;
|
|
|
|
boolean_t scn_pausing;
|
|
uint64_t scn_restart_txg;
|
|
uint64_t scn_sync_start_time;
|
|
zio_t *scn_zio_root;
|
|
|
|
/* for freeing blocks */
|
|
boolean_t scn_is_bptree;
|
|
|
|
/* for debugging / information */
|
|
uint64_t scn_visited_this_txg;
|
|
|
|
dsl_scan_phys_t scn_phys;
|
|
} dsl_scan_t;
|
|
|
|
int dsl_scan_init(struct dsl_pool *dp, uint64_t txg);
|
|
void dsl_scan_fini(struct dsl_pool *dp);
|
|
void dsl_scan_sync(struct dsl_pool *, dmu_tx_t *);
|
|
int dsl_scan_cancel(struct dsl_pool *);
|
|
int dsl_scan(struct dsl_pool *, pool_scan_func_t);
|
|
void dsl_resilver_restart(struct dsl_pool *, uint64_t txg);
|
|
boolean_t dsl_scan_resilvering(struct dsl_pool *dp);
|
|
boolean_t dsl_dataset_unstable(struct dsl_dataset *ds);
|
|
void dsl_scan_ddt_entry(dsl_scan_t *scn, enum zio_checksum checksum,
|
|
ddt_entry_t *dde, dmu_tx_t *tx);
|
|
void dsl_scan_ds_destroyed(struct dsl_dataset *ds, struct dmu_tx *tx);
|
|
void dsl_scan_ds_snapshotted(struct dsl_dataset *ds, struct dmu_tx *tx);
|
|
void dsl_scan_ds_clone_swapped(struct dsl_dataset *ds1, struct dsl_dataset *ds2,
|
|
struct dmu_tx *tx);
|
|
boolean_t dsl_scan_active(dsl_scan_t *scn);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYS_DSL_SCAN_H */
|