0eb21616fa
6171 dsl_prop_unregister() slows down dataset eviction. Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Prakash Surya <prakash.surya@delphix.com> Approved by: Dan McDonald <danmcd@omniti.com> References: https://www.illumos.org/issues/6171 https://github.com/illumos/illumos-gate/commit/03bad06 Porting notes: - Conflicts -3558fd7Prototype/structure update for Linux -2cf7f52Linux compat 2.6.39: mount_nodev() -13fe019Illumos #3464 -241b541Illumos 5959 - clean up per-dataset feature count code - dsl_prop_unregister() preserved until out of tree consumers like Lustre can transition to dsl_prop_unregister_all(). - Fixing 'space or tab at end of line' in include/sys/dsl_dataset.h Ported-by: kernelOfTruth kerneloftruth@gmail.com Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
118 lines
4.1 KiB
C
118 lines
4.1 KiB
C
/*
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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 http://www.opensolaris.org/os/licensing.
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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) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2012 by Delphix. All rights reserved.
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*/
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#ifndef _SYS_DSL_PROP_H
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#define _SYS_DSL_PROP_H
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#include <sys/dmu.h>
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#include <sys/dsl_pool.h>
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#include <sys/zfs_context.h>
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#include <sys/dsl_synctask.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct dsl_dataset;
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struct dsl_dir;
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/* The callback func may not call into the DMU or DSL! */
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typedef void (dsl_prop_changed_cb_t)(void *arg, uint64_t newval);
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typedef struct dsl_prop_record {
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list_node_t pr_node; /* link on dd_props */
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const char *pr_propname;
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list_t pr_cbs;
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} dsl_prop_record_t;
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typedef struct dsl_prop_cb_record {
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list_node_t cbr_pr_node; /* link on pr_cbs */
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list_node_t cbr_ds_node; /* link on ds_prop_cbs */
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dsl_prop_record_t *cbr_pr;
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struct dsl_dataset *cbr_ds;
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dsl_prop_changed_cb_t *cbr_func;
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void *cbr_arg;
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} dsl_prop_cb_record_t;
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typedef struct dsl_props_arg {
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nvlist_t *pa_props;
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zprop_source_t pa_source;
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} dsl_props_arg_t;
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void dsl_prop_init(dsl_dir_t *dd);
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void dsl_prop_fini(dsl_dir_t *dd);
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int dsl_prop_register(struct dsl_dataset *ds, const char *propname,
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dsl_prop_changed_cb_t *callback, void *cbarg);
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int dsl_prop_unregister(struct dsl_dataset *ds, const char *propname,
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dsl_prop_changed_cb_t *callback, void *cbarg);
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void dsl_prop_unregister_all(struct dsl_dataset *ds, void *cbarg);
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void dsl_prop_notify_all(struct dsl_dir *dd);
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boolean_t dsl_prop_hascb(struct dsl_dataset *ds);
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int dsl_prop_get(const char *ddname, const char *propname,
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int intsz, int numints, void *buf, char *setpoint);
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int dsl_prop_get_integer(const char *ddname, const char *propname,
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uint64_t *valuep, char *setpoint);
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int dsl_prop_get_all(objset_t *os, nvlist_t **nvp);
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int dsl_prop_get_received(const char *dsname, nvlist_t **nvp);
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int dsl_prop_get_ds(struct dsl_dataset *ds, const char *propname,
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int intsz, int numints, void *buf, char *setpoint);
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int dsl_prop_get_int_ds(struct dsl_dataset *ds, const char *propname,
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uint64_t *valuep);
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int dsl_prop_get_dd(struct dsl_dir *dd, const char *propname,
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int intsz, int numints, void *buf, char *setpoint,
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boolean_t snapshot);
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void dsl_props_set_sync_impl(struct dsl_dataset *ds, zprop_source_t source,
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nvlist_t *props, dmu_tx_t *tx);
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void dsl_prop_set_sync_impl(struct dsl_dataset *ds, const char *propname,
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zprop_source_t source, int intsz, int numints, const void *value,
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dmu_tx_t *tx);
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int dsl_props_set(const char *dsname, zprop_source_t source, nvlist_t *nvl);
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int dsl_prop_set_int(const char *dsname, const char *propname,
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zprop_source_t source, uint64_t value);
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int dsl_prop_set_string(const char *dsname, const char *propname,
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zprop_source_t source, const char *value);
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int dsl_prop_inherit(const char *dsname, const char *propname,
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zprop_source_t source);
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int dsl_prop_predict(dsl_dir_t *dd, const char *propname,
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zprop_source_t source, uint64_t value, uint64_t *newvalp);
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/* flag first receive on or after SPA_VERSION_RECVD_PROPS */
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boolean_t dsl_prop_get_hasrecvd(const char *dsname);
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int dsl_prop_set_hasrecvd(const char *dsname);
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void dsl_prop_unset_hasrecvd(const char *dsname);
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void dsl_prop_nvlist_add_uint64(nvlist_t *nv, zfs_prop_t prop, uint64_t value);
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void dsl_prop_nvlist_add_string(nvlist_t *nv,
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zfs_prop_t prop, const char *value);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_DSL_PROP_H */
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