1 /******************************************************************************
2 *******************************************************************************
4 ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
5 ** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
7 ** This copyrighted material is made available to anyone wishing to use,
8 ** modify, copy, or redistribute it subject to the terms and conditions
9 ** of the GNU General Public License v.2.
11 *******************************************************************************
12 ******************************************************************************/
14 #include "dlm_internal.h"
18 static struct kmem_cache *lkb_cache;
19 static struct kmem_cache *rsb_cache;
22 int __init dlm_memory_init(void)
26 lkb_cache = kmem_cache_create("dlm_lkb", sizeof(struct dlm_lkb),
27 __alignof__(struct dlm_lkb), 0, NULL);
31 rsb_cache = kmem_cache_create("dlm_rsb", sizeof(struct dlm_rsb),
32 __alignof__(struct dlm_rsb), 0, NULL);
34 kmem_cache_destroy(lkb_cache);
41 void dlm_memory_exit(void)
44 kmem_cache_destroy(lkb_cache);
46 kmem_cache_destroy(rsb_cache);
49 char *dlm_allocate_lvb(struct dlm_ls *ls)
53 p = kzalloc(ls->ls_lvblen, GFP_NOFS);
57 void dlm_free_lvb(char *p)
62 struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls)
66 r = kmem_cache_zalloc(rsb_cache, GFP_NOFS);
70 void dlm_free_rsb(struct dlm_rsb *r)
73 dlm_free_lvb(r->res_lvbptr);
74 kmem_cache_free(rsb_cache, r);
77 struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls)
81 lkb = kmem_cache_zalloc(lkb_cache, GFP_NOFS);
85 void dlm_free_lkb(struct dlm_lkb *lkb)
87 if (lkb->lkb_flags & DLM_IFL_USER) {
88 struct dlm_user_args *ua;
91 if (ua->lksb.sb_lvbptr)
92 kfree(ua->lksb.sb_lvbptr);
96 kmem_cache_free(lkb_cache, lkb);