linux-stable/fs/dlm/memory.h
Alexander Aring e4dc81ed5a fs: dlm: memory cache for lowcomms hotpath
This patch introduces a kmem cache for dlm_msg handles which are used
always if dlm sends a message out. Even if their are covered by midcomms
layer or not.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
2021-12-07 12:42:26 -06:00

31 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/******************************************************************************
*******************************************************************************
**
** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
**
**
*******************************************************************************
******************************************************************************/
#ifndef __MEMORY_DOT_H__
#define __MEMORY_DOT_H__
int dlm_memory_init(void);
void dlm_memory_exit(void);
struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls);
void dlm_free_rsb(struct dlm_rsb *r);
struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls);
void dlm_free_lkb(struct dlm_lkb *l);
char *dlm_allocate_lvb(struct dlm_ls *ls);
void dlm_free_lvb(char *l);
struct dlm_mhandle *dlm_allocate_mhandle(void);
void dlm_free_mhandle(struct dlm_mhandle *mhandle);
struct writequeue_entry *dlm_allocate_writequeue(void);
void dlm_free_writequeue(struct writequeue_entry *writequeue);
struct dlm_msg *dlm_allocate_msg(gfp_t allocation);
void dlm_free_msg(struct dlm_msg *msg);
#endif /* __MEMORY_DOT_H__ */