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-rw-r--r--fs/ocfs2/dlm/dlmmaster.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 44f87caf368..92fd1d7d612 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2949,7 +2949,7 @@ static int dlm_do_migrate_request(struct dlm_ctxt *dlm,
struct dlm_node_iter *iter)
{
struct dlm_migrate_request migrate;
- int ret, status = 0;
+ int ret, skip, status = 0;
int nodenum;
memset(&migrate, 0, sizeof(migrate));
@@ -2966,12 +2966,27 @@ static int dlm_do_migrate_request(struct dlm_ctxt *dlm,
nodenum == new_master)
continue;
+ /* We could race exit domain. If exited, skip. */
+ spin_lock(&dlm->spinlock);
+ skip = (!test_bit(nodenum, dlm->domain_map));
+ spin_unlock(&dlm->spinlock);
+ if (skip) {
+ clear_bit(nodenum, iter->node_map);
+ continue;
+ }
+
ret = o2net_send_message(DLM_MIGRATE_REQUEST_MSG, dlm->key,
&migrate, sizeof(migrate), nodenum,
&status);
- if (ret < 0)
- mlog_errno(ret);
- else if (status < 0) {
+ if (ret < 0) {
+ mlog(0, "migrate_request returned %d!\n", ret);
+ if (!dlm_is_host_down(ret)) {
+ mlog(ML_ERROR, "unhandled error=%d!\n", ret);
+ BUG();
+ }
+ clear_bit(nodenum, iter->node_map);
+ ret = 0;
+ } else if (status < 0) {
mlog(0, "migrate request (node %u) returned %d!\n",
nodenum, status);
ret = status;