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;
21 int __init dlm_memory_init(void)
25 lkb_cache = kmem_cache_create("dlm_lkb", sizeof(struct dlm_lkb),
26 __alignof__(struct dlm_lkb), 0, NULL);
32 void dlm_memory_exit(void)
35 kmem_cache_destroy(lkb_cache);
38 char *dlm_allocate_lvb(struct dlm_ls *ls)
42 p = kzalloc(ls->ls_lvblen, ls->ls_allocation);
46 void dlm_free_lvb(char *p)
51 /* FIXME: have some minimal space built-in to rsb for the name and
52 kmalloc a separate name if needed, like dentries are done */
54 struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls, int namelen)
58 DLM_ASSERT(namelen <= DLM_RESNAME_MAXLEN,);
60 r = kzalloc(sizeof(*r) + namelen, ls->ls_allocation);
64 void dlm_free_rsb(struct dlm_rsb *r)
67 dlm_free_lvb(r->res_lvbptr);
71 struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls)
75 lkb = kmem_cache_zalloc(lkb_cache, ls->ls_allocation);
79 void dlm_free_lkb(struct dlm_lkb *lkb)
81 if (lkb->lkb_flags & DLM_IFL_USER) {
82 struct dlm_user_args *ua;
85 if (ua->lksb.sb_lvbptr)
86 kfree(ua->lksb.sb_lvbptr);
90 kmem_cache_free(lkb_cache, lkb);