X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Focfs2%2Fheartbeat.c;h=c6e7213db8688744bdd21d05d5f6296a5e7dcc91;hb=979c407e3b89b606e810fa494ef316896eadbfad;hp=0758daf64da07c41fcf4f73a7b55d634589ab87d;hpb=6f58d79598c184dc4f18ceddfaa5fa7483bce0a5;p=linux-2.6-omap-h63xx.git diff --git a/fs/ocfs2/heartbeat.c b/fs/ocfs2/heartbeat.c index 0758daf64da..c6e7213db86 100644 --- a/fs/ocfs2/heartbeat.c +++ b/fs/ocfs2/heartbeat.c @@ -28,9 +28,6 @@ #include #include #include -#include - -#include #define MLOG_MASK_PREFIX ML_SUPER #include @@ -48,7 +45,6 @@ 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); /* special case -1 for now * TODO: should *really* make sure the calling func never passes -1!! */ @@ -62,23 +58,23 @@ static void ocfs2_node_map_init(struct ocfs2_node_map *map) 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; } @@ -86,61 +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); -} - static inline void __ocfs2_node_map_set_bit(struct ocfs2_node_map *map, int bit) { @@ -192,112 +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; -} - -#if 0 - -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]; -} - -#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, - 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; -}