60f98d1839
These new callbacks notify the dlm user about lock recovery. GFS2, and possibly others, need to be aware of when the dlm will be doing lock recovery for a failed lockspace member. In the past, this coordination has been done between dlm and file system daemons in userspace, which then direct their kernel counterparts. These callbacks allow the same coordination directly, and more simply. Signed-off-by: David Teigland <teigland@redhat.com>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/******************************************************************************
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*******************************************************************************
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**
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** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
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** Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
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**
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** This copyrighted material is made available to anyone wishing to use,
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** modify, copy, or redistribute it subject to the terms and conditions
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** of the GNU General Public License v.2.
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**
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*******************************************************************************
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******************************************************************************/
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#ifndef __CONFIG_DOT_H__
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#define __CONFIG_DOT_H__
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struct dlm_config_node {
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int nodeid;
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int weight;
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int new;
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uint32_t comm_seq;
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};
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#define DLM_MAX_ADDR_COUNT 3
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struct dlm_config_info {
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int ci_tcp_port;
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int ci_buffer_size;
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int ci_rsbtbl_size;
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int ci_dirtbl_size;
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int ci_recover_timer;
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int ci_toss_secs;
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int ci_scan_secs;
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int ci_log_debug;
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int ci_protocol;
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int ci_timewarn_cs;
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int ci_waitwarn_us;
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int ci_new_rsb_count;
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int ci_recover_callbacks;
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char ci_cluster_name[DLM_LOCKSPACE_LEN];
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};
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extern struct dlm_config_info dlm_config;
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int dlm_config_init(void);
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void dlm_config_exit(void);
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int dlm_config_nodes(char *lsname, struct dlm_config_node **nodes_out,
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int *count_out);
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int dlm_comm_seq(int nodeid, uint32_t *seq);
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int dlm_nodeid_to_addr(int nodeid, struct sockaddr_storage *addr);
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int dlm_addr_to_nodeid(struct sockaddr_storage *addr, int *nodeid);
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int dlm_our_nodeid(void);
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int dlm_our_addr(struct sockaddr_storage *addr, int num);
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#endif /* __CONFIG_DOT_H__ */
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