diff options
Diffstat (limited to 'fs/dlm/midcomms.c')
| -rw-r--r-- | fs/dlm/midcomms.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c index dbc998b2748b..cf91a5a11b4f 100644 --- a/fs/dlm/midcomms.c +++ b/fs/dlm/midcomms.c @@ -657,6 +657,7 @@ static int dlm_midcomms_version_check_3_2(struct midcomms_node *node) switch (node->version) { case DLM_VERSION_NOT_SET: node->version = DLM_VERSION_3_2; + wake_up(&node->shutdown_wait); log_print("version 0x%08x for node %d detected", DLM_VERSION_3_2, node->nodeid); break; @@ -826,6 +827,7 @@ static int dlm_midcomms_version_check_3_1(struct midcomms_node *node) switch (node->version) { case DLM_VERSION_NOT_SET: node->version = DLM_VERSION_3_1; + wake_up(&node->shutdown_wait); log_print("version 0x%08x for node %d detected", DLM_VERSION_3_1, node->nodeid); break; @@ -1386,6 +1388,27 @@ static void midcomms_node_release(struct rcu_head *rcu) kfree(node); } +void dlm_midcomms_version_wait(void) +{ + struct midcomms_node *node; + int i, idx, ret; + + idx = srcu_read_lock(&nodes_srcu); + for (i = 0; i < CONN_HASH_SIZE; i++) { + hlist_for_each_entry_rcu(node, &node_hash[i], hlist) { + ret = wait_event_timeout(node->shutdown_wait, + node->version != DLM_VERSION_NOT_SET || + node->state == DLM_CLOSED || + test_bit(DLM_NODE_FLAG_CLOSE, &node->flags), + DLM_SHUTDOWN_TIMEOUT); + if (!ret || test_bit(DLM_NODE_FLAG_CLOSE, &node->flags)) + pr_debug("version wait timed out for node %d with state %s\n", + node->nodeid, dlm_state_str(node->state)); + } + } + srcu_read_unlock(&nodes_srcu, idx); +} + static void midcomms_shutdown(struct midcomms_node *node) { int ret; |