forked from luck/tmp_suning_uos_patched
328970de0e
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 84 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190524100844.756442981@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* -*- 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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#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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enum o2nm_fence_method {
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O2NM_FENCE_RESET = 0,
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O2NM_FENCE_PANIC,
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O2NM_FENCE_METHODS, /* Number of fence methods */
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};
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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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struct o2nm_cluster {
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struct config_group cl_group;
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unsigned cl_has_local:1;
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u8 cl_local_node;
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rwlock_t cl_nodes_lock;
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struct o2nm_node *cl_nodes[O2NM_MAX_NODES];
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struct rb_root cl_node_ip_tree;
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unsigned int cl_idle_timeout_ms;
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unsigned int cl_keepalive_delay_ms;
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unsigned int cl_reconnect_delay_ms;
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enum o2nm_fence_method cl_fence_method;
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/* this bitmap is part of a hack for disk bitmap.. will go eventually. - zab */
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unsigned long cl_nodes_bitmap[BITS_TO_LONGS(O2NM_MAX_NODES)];
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};
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extern struct o2nm_cluster *o2nm_single_cluster;
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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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int o2nm_depend_item(struct config_item *item);
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void o2nm_undepend_item(struct config_item *item);
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int o2nm_depend_this_node(void);
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void o2nm_undepend_this_node(void);
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#endif /* O2CLUSTER_NODEMANAGER_H */
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