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authorKurt Hackel <kurt.hackel@oracle.com>2006-04-27 19:26:15 -0700
committerMark Fasheh <mark.fasheh@oracle.com>2006-06-26 14:42:57 -0700
commita9ee4c8a67b962db0208addf0e32935aa571af6b (patch)
treeeec80824fba4b87dcf940533ab8dac87d25ed5f0 /fs/ocfs2
parenta7f90d83ea8dc8b0999ab7c1c0539af9a6ed69d2 (diff)
ocfs2: better error handling during assert master message
handle errors during lock assert master by either killing self or other node Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 427c0af0d21..81ceee2e0d5 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -1633,6 +1633,8 @@ again:
dlm_node_iter_init(nodemap, &iter);
while ((to = dlm_node_iter_next(&iter)) >= 0) {
int r = 0;
+ struct dlm_master_list_entry *mle = NULL;
+
mlog(0, "sending assert master to %d (%.*s)\n", to,
namelen, lockname);
memset(&assert, 0, sizeof(assert));
@@ -1657,7 +1659,15 @@ again:
/* ok, something horribly messed. kill thyself. */
mlog(ML_ERROR,"during assert master of %.*s to %u, "
"got %d.\n", namelen, lockname, to, r);
- dlm_dump_lock_resources(dlm);
+ spin_lock(&dlm->spinlock);
+ spin_lock(&dlm->master_lock);
+ if (dlm_find_mle(dlm, &mle, (char *)lockname,
+ namelen)) {
+ dlm_print_one_mle(mle);
+ __dlm_put_mle(mle);
+ }
+ spin_unlock(&dlm->master_lock);
+ spin_unlock(&dlm->spinlock);
BUG();
} else if (r == EAGAIN) {
mlog(0, "%.*s: node %u create mles on other "
@@ -1922,12 +1932,12 @@ done:
kill:
/* kill the caller! */
+ mlog(ML_ERROR, "Bad message received from another node. Dumping state "
+ "and killing the other node now! This node is OK and can continue.\n");
+ __dlm_print_one_lock_resource(res);
spin_unlock(&res->spinlock);
spin_unlock(&dlm->spinlock);
dlm_lockres_put(res);
- mlog(ML_ERROR, "Bad message received from another node. Dumping state "
- "and killing the other node now! This node is OK and can continue.\n");
- dlm_dump_lock_resources(dlm);
dlm_put(dlm);
return -EINVAL;
}