diff options
Diffstat (limited to 'fs/ocfs2/cluster/nodemanager.h')
| -rw-r--r-- | fs/ocfs2/cluster/nodemanager.h | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/fs/ocfs2/cluster/nodemanager.h b/fs/ocfs2/cluster/nodemanager.h index fce8033c310..09ea2d388bb 100644 --- a/fs/ocfs2/cluster/nodemanager.h +++ b/fs/ocfs2/cluster/nodemanager.h @@ -33,10 +33,11 @@ #include <linux/configfs.h> #include <linux/rbtree.h> -#define KERN_OCFS2 988 -#define KERN_OCFS2_NM 1 - -const char *o2nm_get_hb_ctl_path(void); +enum o2nm_fence_method { + O2NM_FENCE_RESET = 0, + O2NM_FENCE_PANIC, + O2NM_FENCE_METHODS, /* Number of fence methods */ +}; struct o2nm_node { spinlock_t nd_lock; @@ -53,6 +54,24 @@ struct o2nm_node { unsigned long nd_set_attributes; }; +struct o2nm_cluster { + struct config_group cl_group; + unsigned cl_has_local:1; + u8 cl_local_node; + rwlock_t cl_nodes_lock; + struct o2nm_node *cl_nodes[O2NM_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 o2nm_fence_method cl_fence_method; + + /* this bitmap is part of a hack for disk bitmap.. will go eventually. - zab */ + unsigned long cl_nodes_bitmap[BITS_TO_LONGS(O2NM_MAX_NODES)]; +}; + +extern struct o2nm_cluster *o2nm_single_cluster; + u8 o2nm_this_node(void); int o2nm_configured_node_map(unsigned long *map, unsigned bytes); @@ -61,4 +80,9 @@ struct o2nm_node *o2nm_get_node_by_ip(__be32 addr); void o2nm_node_get(struct o2nm_node *node); void o2nm_node_put(struct o2nm_node *node); +int o2nm_depend_item(struct config_item *item); +void o2nm_undepend_item(struct config_item *item); +int o2nm_depend_this_node(void); +void o2nm_undepend_this_node(void); + #endif /* O2CLUSTER_NODEMANAGER_H */ |