From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- fs/ocfs2/cluster/nodemanager.h | 71 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 fs/ocfs2/cluster/nodemanager.h (limited to 'fs/ocfs2/cluster/nodemanager.h') diff --git a/fs/ocfs2/cluster/nodemanager.h b/fs/ocfs2/cluster/nodemanager.h new file mode 100644 index 0000000000..3490e77a95 --- /dev/null +++ b/fs/ocfs2/cluster/nodemanager.h @@ -0,0 +1,71 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * nodemanager.h + * + * Function prototypes + * + * Copyright (C) 2004 Oracle. All rights reserved. + */ + +#ifndef O2CLUSTER_NODEMANAGER_H +#define O2CLUSTER_NODEMANAGER_H + +#include "ocfs2_nodemanager.h" + +/* This totally doesn't belong here. */ +#include +#include + +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; + struct config_item nd_item; + char nd_name[O2NM_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 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); +struct o2nm_node *o2nm_get_node_by_num(u8 node_num); +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 */ -- cgit v1.2.3