aboutsummaryrefslogtreecommitdiff
path: root/fs/ocfs2/dlm/dlmdomain.c
diff options
context:
space:
mode:
authorPaul Mackerras <paulus@samba.org>2006-02-08 09:43:08 +1100
committerPaul Mackerras <paulus@samba.org>2006-02-08 09:43:08 +1100
commit8f75015f33c3005e0bbf83ffc0d5e0b4262cc03d (patch)
treea3c34ad86ccdc904bb43af6cd1cb163231c29276 /fs/ocfs2/dlm/dlmdomain.c
parent076d022c566fddde41fd4a858dd24bacad8304d7 (diff)
parente060e084e7d9e1c62d02cb6b8d3fe07db5317eaa (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
Diffstat (limited to 'fs/ocfs2/dlm/dlmdomain.c')
-rw-r--r--fs/ocfs2/dlm/dlmdomain.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index da3c22045f8..6ee30837389 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -573,8 +573,11 @@ static int dlm_query_join_handler(struct o2net_msg *msg, u32 len, void *data)
spin_lock(&dlm_domain_lock);
dlm = __dlm_lookup_domain_full(query->domain, query->name_len);
/* Once the dlm ctxt is marked as leaving then we don't want
- * to be put in someone's domain map. */
+ * to be put in someone's domain map.
+ * Also, explicitly disallow joining at certain troublesome
+ * times (ie. during recovery). */
if (dlm && dlm->dlm_state != DLM_CTXT_LEAVING) {
+ int bit = query->node_idx;
spin_lock(&dlm->spinlock);
if (dlm->dlm_state == DLM_CTXT_NEW &&
@@ -586,6 +589,19 @@ static int dlm_query_join_handler(struct o2net_msg *msg, u32 len, void *data)
} else if (dlm->joining_node != DLM_LOCK_RES_OWNER_UNKNOWN) {
/* Disallow parallel joins. */
response = JOIN_DISALLOW;
+ } else if (dlm->reco.state & DLM_RECO_STATE_ACTIVE) {
+ mlog(ML_NOTICE, "node %u trying to join, but recovery "
+ "is ongoing.\n", bit);
+ response = JOIN_DISALLOW;
+ } else if (test_bit(bit, dlm->recovery_map)) {
+ mlog(ML_NOTICE, "node %u trying to join, but it "
+ "still needs recovery.\n", bit);
+ response = JOIN_DISALLOW;
+ } else if (test_bit(bit, dlm->domain_map)) {
+ mlog(ML_NOTICE, "node %u trying to join, but it "
+ "is still in the domain! needs recovery?\n",
+ bit);
+ response = JOIN_DISALLOW;
} else {
/* Alright we're fully a part of this domain
* so we keep some state as to who's joining