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0c83ed8eeb
A simple node information service, filled and updated from userspace. The rest of the stack queries this service for simple node information. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* -*- mode: c; c-basic-offset: 8; -*-
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* vim: noexpandtab sw=8 ts=8 sts=0:
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*
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* nodemanager.h
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*
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* Function prototypes
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*
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* Copyright (C) 2004 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*
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*/
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#ifndef O2CLUSTER_NODEMANAGER_H
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#define O2CLUSTER_NODEMANAGER_H
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#include "ocfs2_nodemanager.h"
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/* This totally doesn't belong here. */
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#include <linux/configfs.h>
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#include <linux/rbtree.h>
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#define KERN_OCFS2 988
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#define KERN_OCFS2_NM 1
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const char *o2nm_get_hb_ctl_path(void);
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struct o2nm_node {
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spinlock_t nd_lock;
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struct config_item nd_item;
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char nd_name[O2NM_MAX_NAME_LEN+1]; /* replace? */
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__u8 nd_num;
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/* only one address per node, as attributes, for now. */
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__be32 nd_ipv4_address;
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__be16 nd_ipv4_port;
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struct rb_node nd_ip_node;
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/* there can be only one local node for now */
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int nd_local;
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unsigned long nd_set_attributes;
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};
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u8 o2nm_this_node(void);
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int o2nm_configured_node_map(unsigned long *map, unsigned bytes);
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struct o2nm_node *o2nm_get_node_by_num(u8 node_num);
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struct o2nm_node *o2nm_get_node_by_ip(__be32 addr);
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void o2nm_node_get(struct o2nm_node *node);
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void o2nm_node_put(struct o2nm_node *node);
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#endif /* O2CLUSTER_NODEMANAGER_H */
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