Files
linux/fs/dlm/config.h
Alexander Aring de7b4869b4 dlm: add new configfs entry release_recover for lockspace members
A new configfs entry is added for a lockspace member:
  /config/dlm/<cluster>/spaces/<space>/nodes/<node>/release_recover

release_recover can be set to 1 by userspace (dlm_controld process)
prior to removing the lockspace member (rmdir of the <node>).
This tells the kernel to handle the removed member as if it had failed,
i.e. recovery steps for a failed node should be perfomed, as opposed
to the recovery steps for a node doing a controlled leave.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
2025-08-12 11:32:09 -05:00

61 lines
1.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/******************************************************************************
*******************************************************************************
**
** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
** Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
**
**
*******************************************************************************
******************************************************************************/
#ifndef __CONFIG_DOT_H__
#define __CONFIG_DOT_H__
#define DLM_MAX_SOCKET_BUFSIZE 4096
struct dlm_config_node {
int nodeid;
int weight;
bool gone;
int new;
uint32_t comm_seq;
unsigned int release_recover;
};
extern const struct rhashtable_params dlm_rhash_rsb_params;
#define DLM_MAX_ADDR_COUNT 8
#define DLM_PROTO_TCP 0
#define DLM_PROTO_SCTP 1
struct dlm_config_info {
__be16 ci_tcp_port;
unsigned int ci_buffer_size;
unsigned int ci_rsbtbl_size;
unsigned int ci_recover_timer;
unsigned int ci_toss_secs;
unsigned int ci_scan_secs;
unsigned int ci_log_debug;
unsigned int ci_log_info;
unsigned int ci_protocol;
unsigned int ci_mark;
unsigned int ci_new_rsb_count;
unsigned int ci_recover_callbacks;
char ci_cluster_name[DLM_LOCKSPACE_LEN];
};
extern struct dlm_config_info dlm_config;
int dlm_config_init(void);
void dlm_config_exit(void);
int dlm_config_nodes(char *lsname, struct dlm_config_node **nodes_out,
int *count_out);
int dlm_comm_seq(int nodeid, uint32_t *seq, bool locked);
int dlm_our_nodeid(void);
int dlm_our_addr(struct sockaddr_storage *addr, int num);
#endif /* __CONFIG_DOT_H__ */