summaryrefslogtreecommitdiffstats
path: root/fs/ocfs2/heartbeat.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ocfs2/heartbeat.c')
-rw-r--r--fs/ocfs2/heartbeat.c202
1 files changed, 17 insertions, 185 deletions
diff --git a/fs/ocfs2/heartbeat.c b/fs/ocfs2/heartbeat.c
index c0efd94..c6e7213 100644
--- a/fs/ocfs2/heartbeat.c
+++ b/fs/ocfs2/heartbeat.c
@@ -28,9 +28,6 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/highmem.h>
-#include <linux/kmod.h>
-
-#include <dlm/dlmapi.h>
#define MLOG_MASK_PREFIX ML_SUPER
#include <cluster/masklog.h>
@@ -48,32 +45,36 @@ static inline void __ocfs2_node_map_set_bit(struct ocfs2_node_map *map,
int bit);
static inline void __ocfs2_node_map_clear_bit(struct ocfs2_node_map *map,
int bit);
-static inline int __ocfs2_node_map_is_empty(struct ocfs2_node_map *map);
-static void __ocfs2_node_map_dup(struct ocfs2_node_map *target,
- struct ocfs2_node_map *from);
-static void __ocfs2_node_map_set(struct ocfs2_node_map *target,
- struct ocfs2_node_map *from);
+
+/* 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;
+ memset(map->map, 0, BITS_TO_LONGS(OCFS2_NODE_MAP_MAX_NODES) *
+ sizeof(unsigned long));
+}
void ocfs2_init_node_maps(struct ocfs2_super *osb)
{
spin_lock_init(&osb->node_map_lock);
- ocfs2_node_map_init(&osb->recovery_map);
ocfs2_node_map_init(&osb->osb_recovering_orphan_dirs);
}
-static void ocfs2_do_node_down(int node_num,
- struct ocfs2_super *osb)
+void ocfs2_do_node_down(int node_num, void *data)
{
+ struct ocfs2_super *osb = data;
+
BUG_ON(osb->node_num == node_num);
mlog(0, "ocfs2: node down event for %d\n", node_num);
- if (!osb->dlm) {
+ if (!osb->cconn) {
/*
- * No DLM means we're not even ready to participate yet.
- * We check the slots after the DLM comes up, so we will
- * notice the node death then. We can safely ignore it
- * here.
+ * 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;
}
@@ -81,70 +82,6 @@ static void ocfs2_do_node_down(int node_num,
ocfs2_recovery_thread(osb, node_num);
}
-/* Called from the dlm when it's about to evict a node. We may also
- * get a heartbeat callback later. */
-static void ocfs2_dlm_eviction_cb(int node_num,
- void *data)
-{
- struct ocfs2_super *osb = (struct ocfs2_super *) data;
- struct super_block *sb = osb->sb;
-
- mlog(ML_NOTICE, "device (%u,%u): dlm has evicted node %d\n",
- MAJOR(sb->s_dev), MINOR(sb->s_dev), node_num);
-
- ocfs2_do_node_down(node_num, osb);
-}
-
-void ocfs2_setup_hb_callbacks(struct ocfs2_super *osb)
-{
- /* Not exactly a heartbeat callback, but leads to essentially
- * the same path so we set it up here. */
- dlm_setup_eviction_cb(&osb->osb_eviction_cb,
- ocfs2_dlm_eviction_cb,
- osb);
-}
-
-void ocfs2_stop_heartbeat(struct ocfs2_super *osb)
-{
- int ret;
- char *argv[5], *envp[3];
-
- if (ocfs2_mount_local(osb))
- return;
-
- if (!osb->uuid_str) {
- /* This can happen if we don't get far enough in mount... */
- mlog(0, "No UUID with which to stop heartbeat!\n\n");
- return;
- }
-
- argv[0] = (char *)o2nm_get_hb_ctl_path();
- argv[1] = "-K";
- argv[2] = "-u";
- argv[3] = osb->uuid_str;
- argv[4] = NULL;
-
- mlog(0, "Run: %s %s %s %s\n", argv[0], argv[1], argv[2], argv[3]);
-
- /* minimal command environment taken from cpu_run_sbin_hotplug */
- envp[0] = "HOME=/";
- envp[1] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
- envp[2] = NULL;
-
- ret = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC);
- if (ret < 0)
- mlog_errno(ret);
-}
-
-/* special case -1 for now
- * TODO: should *really* make sure the calling func never passes -1!! */
-void ocfs2_node_map_init(struct ocfs2_node_map *map)
-{
- map->num_nodes = OCFS2_NODE_MAP_MAX_NODES;
- memset(map->map, 0, BITS_TO_LONGS(OCFS2_NODE_MAP_MAX_NODES) *
- sizeof(unsigned long));
-}
-
static inline void __ocfs2_node_map_set_bit(struct ocfs2_node_map *map,
int bit)
{
@@ -196,108 +133,3 @@ int ocfs2_node_map_test_bit(struct ocfs2_super *osb,
return ret;
}
-static inline int __ocfs2_node_map_is_empty(struct ocfs2_node_map *map)
-{
- int bit;
- bit = find_next_bit(map->map, map->num_nodes, 0);
- if (bit < map->num_nodes)
- return 0;
- return 1;
-}
-
-int ocfs2_node_map_is_empty(struct ocfs2_super *osb,
- struct ocfs2_node_map *map)
-{
- int ret;
- BUG_ON(map->num_nodes == 0);
- spin_lock(&osb->node_map_lock);
- ret = __ocfs2_node_map_is_empty(map);
- spin_unlock(&osb->node_map_lock);
- return ret;
-}
-
-static void __ocfs2_node_map_dup(struct ocfs2_node_map *target,
- struct ocfs2_node_map *from)
-{
- BUG_ON(from->num_nodes == 0);
- ocfs2_node_map_init(target);
- __ocfs2_node_map_set(target, from);
-}
-
-/* returns 1 if bit is the only bit set in target, 0 otherwise */
-int ocfs2_node_map_is_only(struct ocfs2_super *osb,
- struct ocfs2_node_map *target,
- int bit)
-{
- struct ocfs2_node_map temp;
- int ret;
-
- spin_lock(&osb->node_map_lock);
- __ocfs2_node_map_dup(&temp, target);
- __ocfs2_node_map_clear_bit(&temp, bit);
- ret = __ocfs2_node_map_is_empty(&temp);
- spin_unlock(&osb->node_map_lock);
-
- return ret;
-}
-
-static void __ocfs2_node_map_set(struct ocfs2_node_map *target,
- struct ocfs2_node_map *from)
-{
- int num_longs, i;
-
- BUG_ON(target->num_nodes != from->num_nodes);
- BUG_ON(target->num_nodes == 0);
-
- num_longs = BITS_TO_LONGS(target->num_nodes);
- for (i = 0; i < num_longs; i++)
- target->map[i] = from->map[i];
-}
-
-/* Returns whether the recovery bit was actually set - it may not be
- * if a node is still marked as needing recovery */
-int ocfs2_recovery_map_set(struct ocfs2_super *osb,
- int num)
-{
- int set = 0;
-
- spin_lock(&osb->node_map_lock);
-
- if (!test_bit(num, osb->recovery_map.map)) {
- __ocfs2_node_map_set_bit(&osb->recovery_map, num);
- set = 1;
- }
-
- spin_unlock(&osb->node_map_lock);
-
- return set;
-}
-
-void ocfs2_recovery_map_clear(struct ocfs2_super *osb,
- int num)
-{
- ocfs2_node_map_clear_bit(osb, &osb->recovery_map, num);
-}
-
-int ocfs2_node_map_iterate(struct ocfs2_super *osb,
- struct ocfs2_node_map *map,
- int idx)
-{
- int i = idx;
-
- idx = O2NM_INVALID_NODE_NUM;
- spin_lock(&osb->node_map_lock);
- if ((i != O2NM_INVALID_NODE_NUM) &&
- (i >= 0) &&
- (i < map->num_nodes)) {
- while(i < map->num_nodes) {
- if (test_bit(i, map->map)) {
- idx = i;
- break;
- }
- i++;
- }
- }
- spin_unlock(&osb->node_map_lock);
- return idx;
-}
OpenPOWER on IntegriCloud