diff options
Diffstat (limited to 'drivers/staging/zcache/ramster/heartbeat.h')
-rw-r--r-- | drivers/staging/zcache/ramster/heartbeat.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/drivers/staging/zcache/ramster/heartbeat.h b/drivers/staging/zcache/ramster/heartbeat.h deleted file mode 100644 index 6cbc775bd63b..000000000000 --- a/drivers/staging/zcache/ramster/heartbeat.h +++ /dev/null @@ -1,87 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * heartbeat.h - * - * Function prototypes - * - * Copyright (C) 2004 Oracle. All rights reserved. - * - * 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. - * - */ - -#ifndef R2CLUSTER_HEARTBEAT_H -#define R2CLUSTER_HEARTBEAT_H - -#define R2HB_REGION_TIMEOUT_MS 2000 - -#define R2HB_MAX_REGION_NAME_LEN 32 - -/* number of changes to be seen as live */ -#define R2HB_LIVE_THRESHOLD 2 -/* number of equal samples to be seen as dead */ -extern unsigned int r2hb_dead_threshold; -#define R2HB_DEFAULT_DEAD_THRESHOLD 31 -/* Otherwise MAX_WRITE_TIMEOUT will be zero... */ -#define R2HB_MIN_DEAD_THRESHOLD 2 -#define R2HB_MAX_WRITE_TIMEOUT_MS \ - (R2HB_REGION_TIMEOUT_MS * (r2hb_dead_threshold - 1)) - -#define R2HB_CB_MAGIC 0x51d1e4ec - -/* callback stuff */ -enum r2hb_callback_type { - R2HB_NODE_DOWN_CB = 0, - R2HB_NODE_UP_CB, - R2HB_NUM_CB -}; - -struct r2nm_node; -typedef void (r2hb_cb_func)(struct r2nm_node *, int, void *); - -struct r2hb_callback_func { - u32 hc_magic; - struct list_head hc_item; - r2hb_cb_func *hc_func; - void *hc_data; - int hc_priority; - enum r2hb_callback_type hc_type; -}; - -struct config_group *r2hb_alloc_hb_set(void); -void r2hb_free_hb_set(struct config_group *group); - -void r2hb_setup_callback(struct r2hb_callback_func *hc, - enum r2hb_callback_type type, - r2hb_cb_func *func, - void *data, - int priority); -int r2hb_register_callback(const char *region_uuid, - struct r2hb_callback_func *hc); -void r2hb_unregister_callback(const char *region_uuid, - struct r2hb_callback_func *hc); -void r2hb_fill_node_map(unsigned long *map, - unsigned bytes); -void r2hb_exit(void); -int r2hb_init(void); -int r2hb_check_node_heartbeating_from_callback(u8 node_num); -void r2hb_stop_all_regions(void); -int r2hb_get_all_regions(char *region_uuids, u8 numregions); -int r2hb_global_heartbeat_active(void); -void r2hb_manual_set_node_heartbeating(int); - -#endif /* R2CLUSTER_HEARTBEAT_H */ |