diff options
Diffstat (limited to 'drivers/staging/zcache/ramster/nodemanager.h')
| -rw-r--r-- | drivers/staging/zcache/ramster/nodemanager.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/drivers/staging/zcache/ramster/nodemanager.h b/drivers/staging/zcache/ramster/nodemanager.h deleted file mode 100644 index 41a04df5842..00000000000 --- a/drivers/staging/zcache/ramster/nodemanager.h +++ /dev/null @@ -1,88 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * nodemanager.h - * - * Function prototypes - * - * Copyright (C) 2004 Oracle. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - * - */ - -#ifndef R2CLUSTER_NODEMANAGER_H -#define R2CLUSTER_NODEMANAGER_H - -#include "ramster_nodemanager.h" - -/* This totally doesn't belong here. */ -#include <linux/configfs.h> -#include <linux/rbtree.h> - -enum r2nm_fence_method { - R2NM_FENCE_RESET = 0, - R2NM_FENCE_PANIC, - R2NM_FENCE_METHODS, /* Number of fence methods */ -}; - -struct r2nm_node { - spinlock_t nd_lock; - struct config_item nd_item; - char nd_name[R2NM_MAX_NAME_LEN+1]; /* replace? */ - __u8 nd_num; - /* only one address per node, as attributes, for now. */ - __be32 nd_ipv4_address; - __be16 nd_ipv4_port; - struct rb_node nd_ip_node; - /* there can be only one local node for now */ - int nd_local; - - unsigned long nd_set_attributes; -}; - -struct r2nm_cluster { - struct config_group cl_group; - unsigned cl_has_local:1; - u8 cl_local_node; - rwlock_t cl_nodes_lock; - struct r2nm_node *cl_nodes[R2NM_MAX_NODES]; - struct rb_root cl_node_ip_tree; - unsigned int cl_idle_timeout_ms; - unsigned int cl_keepalive_delay_ms; - unsigned int cl_reconnect_delay_ms; - enum r2nm_fence_method cl_fence_method; - - /* part of a hack for disk bitmap.. will go eventually. - zab */ - unsigned long cl_nodes_bitmap[BITS_TO_LONGS(R2NM_MAX_NODES)]; -}; - -extern struct r2nm_cluster *r2nm_single_cluster; - -u8 r2nm_this_node(void); - -int r2nm_configured_node_map(unsigned long *map, unsigned bytes); -struct r2nm_node *r2nm_get_node_by_num(u8 node_num); -struct r2nm_node *r2nm_get_node_by_ip(__be32 addr); -void r2nm_node_get(struct r2nm_node *node); -void r2nm_node_put(struct r2nm_node *node); - -int r2nm_depend_item(struct config_item *item); -void r2nm_undepend_item(struct config_item *item); -int r2nm_depend_this_node(void); -void r2nm_undepend_this_node(void); - -#endif /* R2CLUSTER_NODEMANAGER_H */ |