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/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* 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 Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "metadata.h"
#include "config.h"
typedef int (*lock_resource_fn) (struct cmd_context * cmd, const char *resource,
uint32_t flags);
typedef int (*query_resource_fn) (const char *resource, int *mode);
typedef void (*fin_lock_fn) (void);
typedef void (*reset_lock_fn) (void);
#define LCK_PRE_MEMLOCK 0x00000001 /* Is memlock() needed before calls? */
#define LCK_CLUSTERED 0x00000002
struct locking_type {
uint32_t flags;
lock_resource_fn lock_resource;
query_resource_fn query_resource;
reset_lock_fn reset_locking;
fin_lock_fn fin_locking;
};
/*
* Locking types
*/
int init_no_locking(struct locking_type *locking, struct cmd_context *cmd,
int suppress_messages);
int init_readonly_locking(struct locking_type *locking, struct cmd_context *cmd,
int suppress_messages);
int init_file_locking(struct locking_type *locking, struct cmd_context *cmd,
int suppress_messages);
int init_external_locking(struct locking_type *locking, struct cmd_context *cmd,
int suppress_messages);
int init_cluster_locking(struct locking_type *locking, struct cmd_context *cmd,
int suppress_messages);
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