zfs-builds-mm/zfs-2.0.0-rc5/lib/libnvpair/nvpair_alloc_system.c

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2020-11-03 21:32:00 +01:00
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <rpc/types.h>
#include <sys/kmem.h>
#include <sys/nvpair.h>
static void *
nv_alloc_sys(nv_alloc_t *nva, size_t size)
{
return (kmem_alloc(size, (int)(uintptr_t)nva->nva_arg));
}
/*ARGSUSED*/
static void
nv_free_sys(nv_alloc_t *nva, void *buf, size_t size)
{
kmem_free(buf, size);
}
static const nv_alloc_ops_t system_ops = {
NULL, /* nv_ao_init() */
NULL, /* nv_ao_fini() */
nv_alloc_sys, /* nv_ao_alloc() */
nv_free_sys, /* nv_ao_free() */
NULL /* nv_ao_reset() */
};
nv_alloc_t nv_alloc_sleep_def = {
&system_ops,
(void *)KM_SLEEP
};
nv_alloc_t nv_alloc_nosleep_def = {
&system_ops,
(void *)KM_NOSLEEP
};
nv_alloc_t *nv_alloc_sleep = &nv_alloc_sleep_def;
nv_alloc_t *nv_alloc_nosleep = &nv_alloc_nosleep_def;