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Diffstat (limited to 'fs/ocfs2/dlm')
-rw-r--r--fs/ocfs2/dlm/dlmdomain.c78
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c22
-rw-r--r--fs/ocfs2/dlm/dlmthread.c10
3 files changed, 63 insertions, 47 deletions
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 7df88a6dd626..6918f30d02cd 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -1465,39 +1465,46 @@ static int dlm_request_join(struct dlm_ctxt *dlm,
if (status == -ENOPROTOOPT) {
status = 0;
*response = JOIN_OK_NO_MAP;
- } else if (packet.code == JOIN_DISALLOW ||
- packet.code == JOIN_OK_NO_MAP) {
- *response = packet.code;
- } else if (packet.code == JOIN_PROTOCOL_MISMATCH) {
- mlog(ML_NOTICE,
- "This node requested DLM locking protocol %u.%u and "
- "filesystem locking protocol %u.%u. At least one of "
- "the protocol versions on node %d is not compatible, "
- "disconnecting\n",
- dlm->dlm_locking_proto.pv_major,
- dlm->dlm_locking_proto.pv_minor,
- dlm->fs_locking_proto.pv_major,
- dlm->fs_locking_proto.pv_minor,
- node);
- status = -EPROTO;
- *response = packet.code;
- } else if (packet.code == JOIN_OK) {
- *response = packet.code;
- /* Use the same locking protocol as the remote node */
- dlm->dlm_locking_proto.pv_minor = packet.dlm_minor;
- dlm->fs_locking_proto.pv_minor = packet.fs_minor;
- mlog(0,
- "Node %d responds JOIN_OK with DLM locking protocol "
- "%u.%u and fs locking protocol %u.%u\n",
- node,
- dlm->dlm_locking_proto.pv_major,
- dlm->dlm_locking_proto.pv_minor,
- dlm->fs_locking_proto.pv_major,
- dlm->fs_locking_proto.pv_minor);
} else {
- status = -EINVAL;
- mlog(ML_ERROR, "invalid response %d from node %u\n",
- packet.code, node);
+ *response = packet.code;
+ switch (packet.code) {
+ case JOIN_DISALLOW:
+ case JOIN_OK_NO_MAP:
+ break;
+ case JOIN_PROTOCOL_MISMATCH:
+ mlog(ML_NOTICE,
+ "This node requested DLM locking protocol %u.%u and "
+ "filesystem locking protocol %u.%u. At least one of "
+ "the protocol versions on node %d is not compatible, "
+ "disconnecting\n",
+ dlm->dlm_locking_proto.pv_major,
+ dlm->dlm_locking_proto.pv_minor,
+ dlm->fs_locking_proto.pv_major,
+ dlm->fs_locking_proto.pv_minor,
+ node);
+ status = -EPROTO;
+ break;
+ case JOIN_OK:
+ /* Use the same locking protocol as the remote node */
+ dlm->dlm_locking_proto.pv_minor = packet.dlm_minor;
+ dlm->fs_locking_proto.pv_minor = packet.fs_minor;
+ mlog(0,
+ "Node %d responds JOIN_OK with DLM locking protocol "
+ "%u.%u and fs locking protocol %u.%u\n",
+ node,
+ dlm->dlm_locking_proto.pv_major,
+ dlm->dlm_locking_proto.pv_minor,
+ dlm->fs_locking_proto.pv_major,
+ dlm->fs_locking_proto.pv_minor);
+ break;
+ default:
+ status = -EINVAL;
+ mlog(ML_ERROR, "invalid response %d from node %u\n",
+ packet.code, node);
+ /* Reset response to JOIN_DISALLOW */
+ *response = JOIN_DISALLOW;
+ break;
+ }
}
mlog(0, "status %d, node %d response is %d\n", status, node,
@@ -1725,12 +1732,13 @@ static int dlm_register_domain_handlers(struct dlm_ctxt *dlm)
o2hb_setup_callback(&dlm->dlm_hb_down, O2HB_NODE_DOWN_CB,
dlm_hb_node_down_cb, dlm, DLM_HB_NODE_DOWN_PRI);
+ o2hb_setup_callback(&dlm->dlm_hb_up, O2HB_NODE_UP_CB,
+ dlm_hb_node_up_cb, dlm, DLM_HB_NODE_UP_PRI);
+
status = o2hb_register_callback(dlm->name, &dlm->dlm_hb_down);
if (status)
goto bail;
- o2hb_setup_callback(&dlm->dlm_hb_up, O2HB_NODE_UP_CB,
- dlm_hb_node_up_cb, dlm, DLM_HB_NODE_UP_PRI);
status = o2hb_register_callback(dlm->name, &dlm->dlm_hb_up);
if (status)
goto bail;
@@ -1845,8 +1853,6 @@ static int dlm_register_domain_handlers(struct dlm_ctxt *dlm)
sizeof(struct dlm_exit_domain),
dlm_begin_exit_domain_handler,
dlm, NULL, &dlm->dlm_domain_handlers);
- if (status)
- goto bail;
bail:
if (status)
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index fdf4b41d0609..46b8b2bbc95a 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -498,16 +498,6 @@ static void dlm_lockres_release(struct kref *kref)
mlog(0, "destroying lockres %.*s\n", res->lockname.len,
res->lockname.name);
- spin_lock(&dlm->track_lock);
- if (!list_empty(&res->tracking))
- list_del_init(&res->tracking);
- else {
- mlog(ML_ERROR, "Resource %.*s not on the Tracking list\n",
- res->lockname.len, res->lockname.name);
- dlm_print_one_lock_resource(res);
- }
- spin_unlock(&dlm->track_lock);
-
atomic_dec(&dlm->res_cur_count);
if (!hlist_unhashed(&res->hash_node) ||
@@ -795,8 +785,18 @@ lookup:
dlm_lockres_grab_inflight_ref(dlm, tmpres);
spin_unlock(&tmpres->spinlock);
- if (res)
+ if (res) {
+ spin_lock(&dlm->track_lock);
+ if (!list_empty(&res->tracking))
+ list_del_init(&res->tracking);
+ else
+ mlog(ML_ERROR, "Resource %.*s not "
+ "on the Tracking list\n",
+ res->lockname.len,
+ res->lockname.name);
+ spin_unlock(&dlm->track_lock);
dlm_lockres_put(res);
+ }
res = tmpres;
goto leave;
}
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 69aac6f088ad..2e5e6d5fffe8 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -211,6 +211,16 @@ static void dlm_purge_lockres(struct dlm_ctxt *dlm,
__dlm_unhash_lockres(dlm, res);
+ spin_lock(&dlm->track_lock);
+ if (!list_empty(&res->tracking))
+ list_del_init(&res->tracking);
+ else {
+ mlog(ML_ERROR, "Resource %.*s not on the Tracking list\n",
+ res->lockname.len, res->lockname.name);
+ __dlm_print_one_lock_resource(res);
+ }
+ spin_unlock(&dlm->track_lock);
+
/* lockres is not in the hash now. drop the flag and wake up
* any processes waiting in dlm_get_lock_resource. */
if (!master) {
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-03 15:51:24 +0300