1 // SPDX-License-Identifier: GPL-2.0-only
2 /******************************************************************************
3 *******************************************************************************
5 ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
6 ** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
9 *******************************************************************************
10 ******************************************************************************/
12 #include "dlm_internal.h"
16 static struct kmem_cache *lkb_cache;
17 static struct kmem_cache *rsb_cache;
20 int __init dlm_memory_init(void)
22 lkb_cache = kmem_cache_create("dlm_lkb", sizeof(struct dlm_lkb),
23 __alignof__(struct dlm_lkb), 0, NULL);
27 rsb_cache = kmem_cache_create("dlm_rsb", sizeof(struct dlm_rsb),
28 __alignof__(struct dlm_rsb), 0, NULL);
30 kmem_cache_destroy(lkb_cache);
37 void dlm_memory_exit(void)
39 kmem_cache_destroy(lkb_cache);
40 kmem_cache_destroy(rsb_cache);
43 char *dlm_allocate_lvb(struct dlm_ls *ls)
47 p = kzalloc(ls->ls_lvblen, GFP_NOFS);
51 void dlm_free_lvb(char *p)
56 struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls)
60 r = kmem_cache_zalloc(rsb_cache, GFP_NOFS);
64 void dlm_free_rsb(struct dlm_rsb *r)
67 dlm_free_lvb(r->res_lvbptr);
68 kmem_cache_free(rsb_cache, r);
71 struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls)
75 lkb = kmem_cache_zalloc(lkb_cache, GFP_NOFS);
79 void dlm_free_lkb(struct dlm_lkb *lkb)
81 if (lkb->lkb_flags & DLM_IFL_USER) {
82 struct dlm_user_args *ua;
85 kfree(ua->lksb.sb_lvbptr);
89 kmem_cache_free(lkb_cache, lkb);