Staging
v0.7.0
v0.7.0
https://github.com/torvalds/linux
Tip revision: d566ec94e63702a1bf83f43804b021a8f478a27b authored by dependabot[bot] on 02 November 2023, 21:52:54 UTC
build(deps): bump pip from 23.2.1 to 23.3 in /drivers/gpu/drm/ci/xfails
build(deps): bump pip from 23.2.1 to 23.3 in /drivers/gpu/drm/ci/xfails
Tip revision: d566ec9
heartbeat.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* heartbeat.c
*
* Register ourselves with the heartbeat service, keep our node maps
* up to date, and fire off recovery when needed.
*
* Copyright (C) 2002, 2004 Oracle. All rights reserved.
*/
#include <linux/bitmap.h>
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/highmem.h>
#include <cluster/masklog.h>
#include "ocfs2.h"
#include "alloc.h"
#include "heartbeat.h"
#include "inode.h"
#include "journal.h"
#include "ocfs2_trace.h"
#include "buffer_head_io.h"
/* special case -1 for now
* TODO: should *really* make sure the calling func never passes -1!! */
static void ocfs2_node_map_init(struct ocfs2_node_map *map)
{
map->num_nodes = OCFS2_NODE_MAP_MAX_NODES;
bitmap_zero(map->map, OCFS2_NODE_MAP_MAX_NODES);
}
void ocfs2_init_node_maps(struct ocfs2_super *osb)
{
spin_lock_init(&osb->node_map_lock);
ocfs2_node_map_init(&osb->osb_recovering_orphan_dirs);
}
void ocfs2_do_node_down(int node_num, void *data)
{
struct ocfs2_super *osb = data;
BUG_ON(osb->node_num == node_num);
trace_ocfs2_do_node_down(node_num);
if (!osb->cconn) {
/*
* No cluster connection means we're not even ready to
* participate yet. We check the slots after the cluster
* comes up, so we will notice the node death then. We
* can safely ignore it here.
*/
return;
}
ocfs2_recovery_thread(osb, node_num);
}
void ocfs2_node_map_set_bit(struct ocfs2_super *osb,
struct ocfs2_node_map *map,
int bit)
{
if (bit==-1)
return;
BUG_ON(bit >= map->num_nodes);
spin_lock(&osb->node_map_lock);
set_bit(bit, map->map);
spin_unlock(&osb->node_map_lock);
}
void ocfs2_node_map_clear_bit(struct ocfs2_super *osb,
struct ocfs2_node_map *map,
int bit)
{
if (bit==-1)
return;
BUG_ON(bit >= map->num_nodes);
spin_lock(&osb->node_map_lock);
clear_bit(bit, map->map);
spin_unlock(&osb->node_map_lock);
}
int ocfs2_node_map_test_bit(struct ocfs2_super *osb,
struct ocfs2_node_map *map,
int bit)
{
int ret;
if (bit >= map->num_nodes) {
mlog(ML_ERROR, "bit=%d map->num_nodes=%d\n", bit, map->num_nodes);
BUG();
}
spin_lock(&osb->node_map_lock);
ret = test_bit(bit, map->map);
spin_unlock(&osb->node_map_lock);
return ret;
}