lvm2/fix-closedown-before-thread-finish.patch

103 lines
3.5 KiB
Diff

---
daemons/clvmd/clvmd-corosync.c | 6 +++-
daemons/clvmd/clvmd.c | 53 ++++++++++++++++++++++++++++++++++++++++-
daemons/clvmd/clvmd.h | 2 +
3 files changed, 59 insertions(+), 2 deletions(-)
--- a/daemons/clvmd/clvmd-corosync.c
+++ b/daemons/clvmd/clvmd-corosync.c
@@ -251,8 +251,12 @@ static void corosync_cpg_confchg_callbac
ninfo = dm_hash_lookup_binary(node_hash,
(char *)&left_list[i].nodeid,
COROSYNC_CSID_LEN);
- if (ninfo)
+ if (ninfo) {
ninfo->state = NODE_DOWN;
+ char name[MAX_CLUSTER_MEMBER_NAME_LEN];
+ sprintf(name, "%x", ninfo->nodeid);
+ decrease_inflight_expected_reply(name);
+ }
}
num_nodes = member_list_entries;
--- a/daemons/clvmd/clvmd.c
+++ b/daemons/clvmd/clvmd.c
@@ -1613,6 +1613,57 @@ static void process_remote_command(struc
dm_free(replyargs);
}
+void decrease_inflight_expected_reply(const char *nodename)
+{
+ struct local_client *thisfd;
+ struct node_reply *reply;
+
+ DEBUGLOG("remote node %s down", nodename);
+
+ for (thisfd = &local_client_head; thisfd != NULL;
+ thisfd = thisfd->next) {
+ /* in-flight request */
+ if (thisfd->type == LOCAL_SOCK &&
+ thisfd->bits.localsock.sent_out &&
+ thisfd->bits.localsock.in_progress &&
+ !thisfd->bits.localsock.finished &&
+ thisfd->bits.localsock.expected_replies >
+ thisfd->bits.localsock.num_replies) {
+
+ pthread_mutex_lock(&thisfd->bits.localsock.mutex);
+
+ reply = thisfd->bits.localsock.replies;
+ while (reply && strcmp(reply->node, nodename) != 0) {
+ reply = reply->next;
+ }
+ /*
+ * if the remote down server has replies,
+ * do not decrease the expected_replies
+ */
+ if (reply)
+ continue;
+
+ thisfd->bits.localsock.expected_replies--;
+ DEBUGLOG("remote node down, decrement the expected replies to (%d), num_replies(%d)",
+ thisfd->bits.localsock.expected_replies,
+ thisfd->bits.localsock.num_replies);
+
+ if (thisfd->bits.localsock.expected_replies <=
+ thisfd->bits.localsock.num_replies) {
+ /* tell pre_and_post thread to finish */
+ if (thisfd->bits.localsock.threadid) {
+ thisfd->bits.localsock.all_success = 0;
+ pthread_mutex_lock(&thisfd->bits.localsock.mutex);
+ thisfd->bits.localsock.state = POST_COMMAND;
+ pthread_cond_signal(&thisfd->bits.localsock.cond);
+ pthread_mutex_unlock(&thisfd->bits.localsock.mutex);
+ }
+ }
+ pthread_mutex_unlock(&thisfd->bits.localsock.mutex);
+ }
+ }
+}
+
/* Add a reply to a command to the list of replies for this client.
If we have got a full set then send them to the waiting client down the local
socket */
@@ -1652,7 +1703,7 @@ static void add_reply_to_list(struct loc
/* If we have the whole lot then do the post-process */
/* Post-process the command */
- if (++client->bits.localsock.num_replies ==
+ if (++client->bits.localsock.num_replies >=
client->bits.localsock.expected_replies) {
client->bits.localsock.state = POST_COMMAND;
pthread_cond_signal(&client->bits.localsock.cond);
--- a/daemons/clvmd/clvmd.h
+++ b/daemons/clvmd/clvmd.h
@@ -110,6 +110,8 @@ extern int do_post_command(struct local_
extern void cmd_client_cleanup(struct local_client *client);
extern int add_client(struct local_client *new_client);
+
+extern void decrease_inflight_expected_reply(const char *nodename);
extern void clvmd_cluster_init_completed(void);
extern void process_message(struct local_client *client, char *buf,
int len, const char *csid);