mirror of
https://github.com/versity/scoutfs.git
synced 2026-02-12 13:31:12 +00:00
dfc220ad6f
Also wire it into the build system. We have to figure out how to get scoutfs pulling in the right headers but that can wait until we have something more usable. Signed-off-by: Mark Fasheh <mfasheh@versity.com>
97 lines
2.1 KiB
C
97 lines
2.1 KiB
C
/******************************************************************************
|
|
*******************************************************************************
|
|
**
|
|
** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
|
|
** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
|
|
**
|
|
** This copyrighted material is made available to anyone wishing to use,
|
|
** modify, copy, or redistribute it subject to the terms and conditions
|
|
** of the GNU General Public License v.2.
|
|
**
|
|
*******************************************************************************
|
|
******************************************************************************/
|
|
|
|
#include "dlm_internal.h"
|
|
#include "config.h"
|
|
#include "memory.h"
|
|
|
|
static struct kmem_cache *lkb_cache;
|
|
static struct kmem_cache *rsb_cache;
|
|
|
|
|
|
int __init dlm_memory_init(void)
|
|
{
|
|
lkb_cache = kmem_cache_create("dlm_lkb", sizeof(struct dlm_lkb),
|
|
__alignof__(struct dlm_lkb), 0, NULL);
|
|
if (!lkb_cache)
|
|
return -ENOMEM;
|
|
|
|
rsb_cache = kmem_cache_create("dlm_rsb", sizeof(struct dlm_rsb),
|
|
__alignof__(struct dlm_rsb), 0, NULL);
|
|
if (!rsb_cache) {
|
|
kmem_cache_destroy(lkb_cache);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void dlm_memory_exit(void)
|
|
{
|
|
if (lkb_cache)
|
|
kmem_cache_destroy(lkb_cache);
|
|
if (rsb_cache)
|
|
kmem_cache_destroy(rsb_cache);
|
|
}
|
|
|
|
char *dlm_allocate_lvb(struct dlm_ls *ls)
|
|
{
|
|
char *p;
|
|
|
|
p = kzalloc(ls->ls_lvblen, GFP_NOFS);
|
|
return p;
|
|
}
|
|
|
|
void dlm_free_lvb(char *p)
|
|
{
|
|
kfree(p);
|
|
}
|
|
|
|
struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls)
|
|
{
|
|
struct dlm_rsb *r;
|
|
|
|
r = kmem_cache_zalloc(rsb_cache, GFP_NOFS);
|
|
return r;
|
|
}
|
|
|
|
void dlm_free_rsb(struct dlm_rsb *r)
|
|
{
|
|
if (r->res_lvbptr)
|
|
dlm_free_lvb(r->res_lvbptr);
|
|
kmem_cache_free(rsb_cache, r);
|
|
}
|
|
|
|
struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls)
|
|
{
|
|
struct dlm_lkb *lkb;
|
|
|
|
lkb = kmem_cache_zalloc(lkb_cache, GFP_NOFS);
|
|
return lkb;
|
|
}
|
|
|
|
void dlm_free_lkb(struct dlm_lkb *lkb)
|
|
{
|
|
if (lkb->lkb_flags & DLM_IFL_USER) {
|
|
struct dlm_user_args *ua;
|
|
ua = lkb->lkb_ua;
|
|
if (ua) {
|
|
if (ua->lksb.sb_lvbptr)
|
|
kfree(ua->lksb.sb_lvbptr);
|
|
kfree(ua);
|
|
}
|
|
}
|
|
kmem_cache_free(lkb_cache, lkb);
|
|
}
|
|
|