nvpair_alloc_spl.c

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    1 /*
    2  * CDDL HEADER START
    3  *
    4  * The contents of this file are subject to the terms of the
    5  * Common Development and Distribution License, Version 1.0 only
    6  * (the "License").  You may not use this file except in compliance
    7  * with the License.
    8  *
    9  * You can obtain a copy of the license at * usr/src/OPENSOLARIS.LICENSE
   10  * or https://opensource.org/licenses/CDDL-1.0.
   11  * See the License for the specific language governing permissions
   12  * and limitations under the License.
   13  *
   14  * When distributing Covered Code, include this CDDL HEADER in each
   15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
   16  * If applicable, add the following below this CDDL HEADER, with the
   17  * fields enclosed by brackets "[]" replaced with your own identifying
   18  * information: Portions Copyright [yyyy] [name of copyright owner]
   19  *
   20  * CDDL HEADER END
   21  */
   22 /*
   23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   24  * Use is subject to license terms.
   25  */
   26 
   27 #include <sys/nvpair.h>
   28 #include <sys/kmem.h>
   29 #include <sys/vmem.h>
   30 
   31 static void *
   32 nv_alloc_sleep_spl(nv_alloc_t *nva, size_t size)
   33 {
   34         return (vmem_alloc(size, KM_SLEEP));
   35 }
   36 
   37 static void *
   38 nv_alloc_pushpage_spl(nv_alloc_t *nva, size_t size)
   39 {
   40         return (vmem_alloc(size, KM_PUSHPAGE));
   41 }
   42 
   43 static void *
   44 nv_alloc_nosleep_spl(nv_alloc_t *nva, size_t size)
   45 {
   46         return (kmem_alloc(size, KM_NOSLEEP));
   47 }
   48 
   49 static void
   50 nv_free_spl(nv_alloc_t *nva, void *buf, size_t size)
   51 {
   52         kmem_free(buf, size);
   53 }
   54 
   55 static const nv_alloc_ops_t spl_sleep_ops_def = {
   56         .nv_ao_init = NULL,
   57         .nv_ao_fini = NULL,
   58         .nv_ao_alloc = nv_alloc_sleep_spl,
   59         .nv_ao_free = nv_free_spl,
   60         .nv_ao_reset = NULL
   61 };
   62 
   63 static const nv_alloc_ops_t spl_pushpage_ops_def = {
   64         .nv_ao_init = NULL,
   65         .nv_ao_fini = NULL,
   66         .nv_ao_alloc = nv_alloc_pushpage_spl,
   67         .nv_ao_free = nv_free_spl,
   68         .nv_ao_reset = NULL
   69 };
   70 
   71 static const nv_alloc_ops_t spl_nosleep_ops_def = {
   72         .nv_ao_init = NULL,
   73         .nv_ao_fini = NULL,
   74         .nv_ao_alloc = nv_alloc_nosleep_spl,
   75         .nv_ao_free = nv_free_spl,
   76         .nv_ao_reset = NULL
   77 };
   78 
   79 static nv_alloc_t nv_alloc_sleep_def = {
   80         &spl_sleep_ops_def,
   81         NULL
   82 };
   83 
   84 static nv_alloc_t nv_alloc_pushpage_def = {
   85         &spl_pushpage_ops_def,
   86         NULL
   87 };
   88 
   89 static nv_alloc_t nv_alloc_nosleep_def = {
   90         &spl_nosleep_ops_def,
   91         NULL
   92 };
   93 
   94 nv_alloc_t *const nv_alloc_sleep = &nv_alloc_sleep_def;
   95 nv_alloc_t *const nv_alloc_pushpage = &nv_alloc_pushpage_def;
   96 nv_alloc_t *const nv_alloc_nosleep = &nv_alloc_nosleep_def;

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/module/nvpair/nvpair_alloc_spl.c

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/module/nvpair/nvpair_alloc_spl.c