freebsd-dev/module/zfs/include/sys/dsl_prop.h
2010-05-28 13:45:14 -07:00

120 lines
3.9 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) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _SYS_DSL_PROP_H
#define _SYS_DSL_PROP_H
#include <sys/dmu.h>
#include <sys/dsl_pool.h>
#include <sys/zfs_context.h>
#include <sys/dsl_synctask.h>
#ifdef __cplusplus
extern "C" {
#endif
struct dsl_dataset;
struct dsl_dir;
/* The callback func may not call into the DMU or DSL! */
typedef void (dsl_prop_changed_cb_t)(void *arg, uint64_t newval);
typedef struct dsl_prop_cb_record {
list_node_t cbr_node; /* link on dd_prop_cbs */
struct dsl_dataset *cbr_ds;
const char *cbr_propname;
dsl_prop_changed_cb_t *cbr_func;
void *cbr_arg;
} dsl_prop_cb_record_t;
typedef struct dsl_props_arg {
nvlist_t *pa_props;
zprop_source_t pa_source;
} dsl_props_arg_t;
typedef struct dsl_prop_set_arg {
const char *psa_name;
zprop_source_t psa_source;
int psa_intsz;
int psa_numints;
const void *psa_value;
/*
* Used to handle the special requirements of the quota and reservation
* properties.
*/
uint64_t psa_effective_value;
} dsl_prop_setarg_t;
int dsl_prop_register(struct dsl_dataset *ds, const char *propname,
dsl_prop_changed_cb_t *callback, void *cbarg);
int dsl_prop_unregister(struct dsl_dataset *ds, const char *propname,
dsl_prop_changed_cb_t *callback, void *cbarg);
int dsl_prop_numcb(struct dsl_dataset *ds);
int dsl_prop_get(const char *ddname, const char *propname,
int intsz, int numints, void *buf, char *setpoint);
int dsl_prop_get_integer(const char *ddname, const char *propname,
uint64_t *valuep, char *setpoint);
int dsl_prop_get_all(objset_t *os, nvlist_t **nvp);
int dsl_prop_get_received(objset_t *os, nvlist_t **nvp);
int dsl_prop_get_ds(struct dsl_dataset *ds, const char *propname,
int intsz, int numints, void *buf, char *setpoint);
int dsl_prop_get_dd(struct dsl_dir *dd, const char *propname,
int intsz, int numints, void *buf, char *setpoint,
boolean_t snapshot);
dsl_syncfunc_t dsl_props_set_sync;
int dsl_prop_set(const char *ddname, const char *propname,
zprop_source_t source, int intsz, int numints, const void *buf);
int dsl_props_set(const char *dsname, zprop_source_t source, nvlist_t *nvl);
void dsl_dir_prop_set_uint64_sync(dsl_dir_t *dd, const char *name, uint64_t val,
dmu_tx_t *tx);
void dsl_prop_setarg_init_uint64(dsl_prop_setarg_t *psa, const char *propname,
zprop_source_t source, uint64_t *value);
int dsl_prop_predict_sync(dsl_dir_t *dd, dsl_prop_setarg_t *psa);
#ifdef ZFS_DEBUG
void dsl_prop_check_prediction(dsl_dir_t *dd, dsl_prop_setarg_t *psa);
#define DSL_PROP_CHECK_PREDICTION(dd, psa) \
dsl_prop_check_prediction((dd), (psa))
#else
#define DSL_PROP_CHECK_PREDICTION(dd, psa) /* nothing */
#endif
/* flag first receive on or after SPA_VERSION_RECVD_PROPS */
boolean_t dsl_prop_get_hasrecvd(objset_t *os);
void dsl_prop_set_hasrecvd(objset_t *os);
void dsl_prop_unset_hasrecvd(objset_t *os);
void dsl_prop_nvlist_add_uint64(nvlist_t *nv, zfs_prop_t prop, uint64_t value);
void dsl_prop_nvlist_add_string(nvlist_t *nv,
zfs_prop_t prop, const char *value);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_DSL_PROP_H */