2 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
3 * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
5 * This file is part of LVM2.
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 Lesser General Public License v.2.1.
11 * You should have received a copy of the GNU Lesser General Public License
12 * along with this program; if not, write to the Free Software Foundation,
13 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 typedef int (*lock_resource_fn) (struct cmd_context * cmd, const char *resource,
21 typedef int (*query_resource_fn) (const char *resource, int *mode);
23 typedef void (*fin_lock_fn) (void);
24 typedef void (*reset_lock_fn) (void);
26 #define LCK_PRE_MEMLOCK 0x00000001 /* Is memlock() needed before calls? */
27 #define LCK_CLUSTERED 0x00000002
31 lock_resource_fn lock_resource;
32 query_resource_fn query_resource;
34 reset_lock_fn reset_locking;
35 fin_lock_fn fin_locking;
41 int init_no_locking(struct locking_type *locking, struct cmd_context *cmd);
43 int init_readonly_locking(struct locking_type *locking, struct cmd_context *cmd);
45 int init_file_locking(struct locking_type *locking, struct cmd_context *cmd);
47 int init_external_locking(struct locking_type *locking, struct cmd_context *cmd);
49 int init_cluster_locking(struct locking_type *locking, struct cmd_context *cmd);