#include <linux/highmem.h>
#include <linux/kmod.h>
-#include <cluster/heartbeat.h>
-#include <cluster/nodemanager.h>
-
#include <dlm/dlmapi.h>
#define MLOG_MASK_PREFIX ML_SUPER
#include "heartbeat.h"
#include "inode.h"
#include "journal.h"
-#include "vote.h"
#include "buffer_head_io.h"
-#define OCFS2_HB_NODE_DOWN_PRI (0x0000002)
-#define OCFS2_HB_NODE_UP_PRI OCFS2_HB_NODE_DOWN_PRI
-
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->mounted_map);
ocfs2_node_map_init(&osb->recovery_map);
- ocfs2_node_map_init(&osb->umount_map);
ocfs2_node_map_init(&osb->osb_recovering_orphan_dirs);
}
return;
}
- if (ocfs2_node_map_test_bit(osb, &osb->umount_map, node_num)) {
- /* If a node is in the umount map, then we've been
- * expecting him to go down and we know ahead of time
- * that recovery is not necessary. */
- ocfs2_node_map_clear_bit(osb, &osb->umount_map, node_num);
- return;
- }
-
ocfs2_recovery_thread(osb, node_num);
-
- ocfs2_remove_node_from_vote_queues(osb, node_num);
-}
-
-static void ocfs2_hb_node_down_cb(struct o2nm_node *node,
- int node_num,
- void *data)
-{
- ocfs2_do_node_down(node_num, (struct ocfs2_super *) data);
}
/* Called from the dlm when it's about to evict a node. We may also
ocfs2_do_node_down(node_num, osb);
}
-static void ocfs2_hb_node_up_cb(struct o2nm_node *node,
- int node_num,
- void *data)
-{
- struct ocfs2_super *osb = data;
-
- BUG_ON(osb->node_num == node_num);
-
- mlog(0, "node up event for %d\n", node_num);
- ocfs2_node_map_clear_bit(osb, &osb->umount_map, node_num);
-}
-
void ocfs2_setup_hb_callbacks(struct ocfs2_super *osb)
{
- o2hb_setup_callback(&osb->osb_hb_down, O2HB_NODE_DOWN_CB,
- ocfs2_hb_node_down_cb, osb,
- OCFS2_HB_NODE_DOWN_PRI);
-
- o2hb_setup_callback(&osb->osb_hb_up, O2HB_NODE_UP_CB,
- ocfs2_hb_node_up_cb, osb, OCFS2_HB_NODE_UP_PRI);
-
/* 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,
osb);
}
-/* Most functions here are just stubs for now... */
-int ocfs2_register_hb_callbacks(struct ocfs2_super *osb)
-{
- int status;
-
- if (ocfs2_mount_local(osb))
- return 0;
-
- status = o2hb_register_callback(&osb->osb_hb_down);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
-
- status = o2hb_register_callback(&osb->osb_hb_up);
- if (status < 0) {
- mlog_errno(status);
- o2hb_unregister_callback(&osb->osb_hb_down);
- }
-
-bail:
- return status;
-}
-
-void ocfs2_clear_hb_callbacks(struct ocfs2_super *osb)
-{
- if (ocfs2_mount_local(osb))
- return;
-
- o2hb_unregister_callback(&osb->osb_hb_down);
- o2hb_unregister_callback(&osb->osb_hb_up);
-}
-
void ocfs2_stop_heartbeat(struct ocfs2_super *osb)
{
int ret;
envp[1] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
envp[2] = NULL;
- ret = call_usermodehelper(argv[0], argv, envp, 1);
+ 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)
{
return ret;
}
+#if 0
+
static void __ocfs2_node_map_dup(struct ocfs2_node_map *target,
struct ocfs2_node_map *from)
{
target->map[i] = from->map[i];
}
+#endif /* 0 */
+
/* 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,
spin_lock(&osb->node_map_lock);
- __ocfs2_node_map_clear_bit(&osb->mounted_map, num);
-
if (!test_bit(num, osb->recovery_map.map)) {
__ocfs2_node_map_set_bit(&osb->recovery_map, num);
set = 1;
git.samba.org / sfrench / cifs-2.6.git / blobdiff