dlm: improve error and debug messages

Change some existing error/debug messages to
collect more useful information, and add
some new error/debug messages to address
recently found problems.

Signed-off-by: David Teigland <teigland@redhat.com>

diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 49926f1..f3ba703 100644 (file)
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -160,11 +160,11 @@ static const int __quecvt_compat_matrix[8][8] = {
 
 void dlm_print_lkb(struct dlm_lkb *lkb)
 {
-       printk(KERN_ERR "lkb: nodeid %d id %x remid %x exflags %x flags %x\n"
-              "     status %d rqmode %d grmode %d wait_type %d\n",
+       printk(KERN_ERR "lkb: nodeid %d id %x remid %x exflags %x flags %x "
+              "sts %d rq %d gr %d wait_type %d wait_nodeid %d\n",
               lkb->lkb_nodeid, lkb->lkb_id, lkb->lkb_remid, lkb->lkb_exflags,
               lkb->lkb_flags, lkb->lkb_status, lkb->lkb_rqmode,
-              lkb->lkb_grmode, lkb->lkb_wait_type);
+              lkb->lkb_grmode, lkb->lkb_wait_type, lkb->lkb_wait_nodeid);
 }
 
 static void dlm_print_rsb(struct dlm_rsb *r)
@@ -589,6 +589,23 @@ static int find_rsb(struct dlm_ls *ls, char *name, int namelen,
        return error;
 }
 
+static void dlm_dump_rsb_hash(struct dlm_ls *ls, uint32_t hash)
+{
+       struct rb_node *n;
+       struct dlm_rsb *r;
+       int i;
+
+       for (i = 0; i < ls->ls_rsbtbl_size; i++) {
+               spin_lock(&ls->ls_rsbtbl[i].lock);
+               for (n = rb_first(&ls->ls_rsbtbl[i].keep); n; n = rb_next(n)) {
+                       r = rb_entry(n, struct dlm_rsb, res_hashnode);
+                       if (r->res_hash == hash)
+                               dlm_dump_rsb(r);
+               }
+               spin_unlock(&ls->ls_rsbtbl[i].lock);
+       }
+}
+
 /* This is only called to add a reference when the code already holds
    a valid reference to the rsb, so there's no need for locking. */
 
@@ -1067,8 +1084,9 @@ static int _remove_from_waiters(struct dlm_lkb *lkb, int mstype,
                goto out_del;
        }
 
-       log_error(ls, "remwait error %x reply %d flags %x no wait_type",
-                 lkb->lkb_id, mstype, lkb->lkb_flags);
+       log_error(ls, "remwait error %x remote %d %x msg %d flags %x no wait",
+                 lkb->lkb_id, ms ? ms->m_header.h_nodeid : 0, lkb->lkb_remid,
+                 mstype, lkb->lkb_flags);
        return -1;
 
  out_del:
@@ -3375,7 +3393,7 @@ static int validate_message(struct dlm_lkb *lkb, struct dlm_message *ms)
        return error;
 }
 
-static void receive_request(struct dlm_ls *ls, struct dlm_message *ms)
+static int receive_request(struct dlm_ls *ls, struct dlm_message *ms)
 {
        struct dlm_lkb *lkb;
        struct dlm_rsb *r;
@@ -3415,14 +3433,15 @@ static void receive_request(struct dlm_ls *ls, struct dlm_message *ms)
                error = 0;
        if (error)
                dlm_put_lkb(lkb);
-       return;
+       return 0;
 
  fail:
        setup_stub_lkb(ls, ms);
        send_request_reply(&ls->ls_stub_rsb, &ls->ls_stub_lkb, error);
+       return error;
 }
 
-static void receive_convert(struct dlm_ls *ls, struct dlm_message *ms)
+static int receive_convert(struct dlm_ls *ls, struct dlm_message *ms)
 {
        struct dlm_lkb *lkb;
        struct dlm_rsb *r;
@@ -3432,6 +3451,14 @@ static void receive_convert(struct dlm_ls *ls, struct dlm_message *ms)
        if (error)
                goto fail;
 
+       if (lkb->lkb_remid != ms->m_lkid) {
+               log_error(ls, "receive_convert %x remid %x remote %d %x",
+                         lkb->lkb_id, lkb->lkb_remid,
+                         ms->m_header.h_nodeid, ms->m_lkid);
+               error = -ENOENT;
+               goto fail;
+       }
+
        r = lkb->lkb_resource;
 
        hold_rsb(r);
@@ -3459,14 +3486,15 @@ static void receive_convert(struct dlm_ls *ls, struct dlm_message *ms)
        unlock_rsb(r);
        put_rsb(r);
        dlm_put_lkb(lkb);
-       return;
+       return 0;
 
  fail:
        setup_stub_lkb(ls, ms);
        send_convert_reply(&ls->ls_stub_rsb, &ls->ls_stub_lkb, error);
+       return error;
 }
 
-static void receive_unlock(struct dlm_ls *ls, struct dlm_message *ms)
+static int receive_unlock(struct dlm_ls *ls, struct dlm_message *ms)
 {
        struct dlm_lkb *lkb;
        struct dlm_rsb *r;
@@ -3476,6 +3504,14 @@ static void receive_unlock(struct dlm_ls *ls, struct dlm_message *ms)
        if (error)
                goto fail;
 
+       if (lkb->lkb_remid != ms->m_lkid) {
+               log_error(ls, "receive_unlock %x remid %x remote %d %x",
+                         lkb->lkb_id, lkb->lkb_remid,
+                         ms->m_header.h_nodeid, ms->m_lkid);
+               error = -ENOENT;
+               goto fail;
+       }
+
        r = lkb->lkb_resource;
 
        hold_rsb(r);
@@ -3500,14 +3536,15 @@ static void receive_unlock(struct dlm_ls *ls, struct dlm_message *ms)
        unlock_rsb(r);
        put_rsb(r);
        dlm_put_lkb(lkb);
-       return;
+       return 0;
 
  fail:
        setup_stub_lkb(ls, ms);
        send_unlock_reply(&ls->ls_stub_rsb, &ls->ls_stub_lkb, error);
+       return error;
 }
 
-static void receive_cancel(struct dlm_ls *ls, struct dlm_message *ms)
+static int receive_cancel(struct dlm_ls *ls, struct dlm_message *ms)
 {
        struct dlm_lkb *lkb;
        struct dlm_rsb *r;
@@ -3535,25 +3572,23 @@ static void receive_cancel(struct dlm_ls *ls, struct dlm_message *ms)
        unlock_rsb(r);
        put_rsb(r);
        dlm_put_lkb(lkb);
-       return;
+       return 0;
 
  fail:
        setup_stub_lkb(ls, ms);
        send_cancel_reply(&ls->ls_stub_rsb, &ls->ls_stub_lkb, error);
+       return error;
 }
 
-static void receive_grant(struct dlm_ls *ls, struct dlm_message *ms)
+static int receive_grant(struct dlm_ls *ls, struct dlm_message *ms)
 {
        struct dlm_lkb *lkb;
        struct dlm_rsb *r;
        int error;
 
        error = find_lkb(ls, ms->m_remid, &lkb);
-       if (error) {
-               log_debug(ls, "receive_grant from %d no lkb %x",
-                         ms->m_header.h_nodeid, ms->m_remid);
-               return;
-       }
+       if (error)
+               return error;
 
        r = lkb->lkb_resource;
 
@@ -3573,20 +3608,18 @@ static void receive_grant(struct dlm_ls *ls, struct dlm_message *ms)
        unlock_rsb(r);
        put_rsb(r);
        dlm_put_lkb(lkb);
+       return 0;
 }
 
-static void receive_bast(struct dlm_ls *ls, struct dlm_message *ms)
+static int receive_bast(struct dlm_ls *ls, struct dlm_message *ms)
 {
        struct dlm_lkb *lkb;
        struct dlm_rsb *r;
        int error;
 
        error = find_lkb(ls, ms->m_remid, &lkb);
-       if (error) {
-               log_debug(ls, "receive_bast from %d no lkb %x",
-                         ms->m_header.h_nodeid, ms->m_remid);
-               return;
-       }
+       if (error)
+               return error;
 
        r = lkb->lkb_resource;
 
@@ -3602,6 +3635,7 @@ static void receive_bast(struct dlm_ls *ls, struct dlm_message *ms)
        unlock_rsb(r);
        put_rsb(r);
        dlm_put_lkb(lkb);
+       return 0;
 }
 
 static void receive_lookup(struct dlm_ls *ls, struct dlm_message *ms)
@@ -3656,18 +3690,15 @@ static void receive_purge(struct dlm_ls *ls, struct dlm_message *ms)
        do_purge(ls, ms->m_nodeid, ms->m_pid);
 }
 
-static void receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms)
+static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms)
 {
        struct dlm_lkb *lkb;
        struct dlm_rsb *r;
        int error, mstype, result;
 
        error = find_lkb(ls, ms->m_remid, &lkb);
-       if (error) {
-               log_debug(ls, "receive_request_reply from %d no lkb %x",
-                         ms->m_header.h_nodeid, ms->m_remid);
-               return;
-       }
+       if (error)
+               return error;
 
        r = lkb->lkb_resource;
        hold_rsb(r);
@@ -3758,6 +3789,7 @@ static void receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms)
        unlock_rsb(r);
        put_rsb(r);
        dlm_put_lkb(lkb);
+       return 0;
 }
 
 static void __receive_convert_reply(struct dlm_rsb *r, struct dlm_lkb *lkb,
@@ -3796,8 +3828,11 @@ static void __receive_convert_reply(struct dlm_rsb *r, struct dlm_lkb *lkb,
                break;
 
        default:
-               log_error(r->res_ls, "receive_convert_reply %x error %d",
-                         lkb->lkb_id, ms->m_result);
+               log_error(r->res_ls, "receive_convert_reply %x remote %d %x %d",
+                         lkb->lkb_id, ms->m_header.h_nodeid, ms->m_lkid,
+                         ms->m_result);
+               dlm_print_rsb(r);
+               dlm_print_lkb(lkb);
        }
 }
 
@@ -3824,20 +3859,18 @@ static void _receive_convert_reply(struct dlm_lkb *lkb, struct dlm_message *ms)
        put_rsb(r);
 }
 
-static void receive_convert_reply(struct dlm_ls *ls, struct dlm_message *ms)
+static int receive_convert_reply(struct dlm_ls *ls, struct dlm_message *ms)
 {
        struct dlm_lkb *lkb;
        int error;
 
        error = find_lkb(ls, ms->m_remid, &lkb);
-       if (error) {
-               log_debug(ls, "receive_convert_reply from %d no lkb %x",
-                         ms->m_header.h_nodeid, ms->m_remid);
-               return;
-       }
+       if (error)
+               return error;
 
        _receive_convert_reply(lkb, ms);
        dlm_put_lkb(lkb);
+       return 0;
 }
 
 static void _receive_unlock_reply(struct dlm_lkb *lkb, struct dlm_message *ms)
@@ -3876,20 +3909,18 @@ static void _receive_unlock_reply(struct dlm_lkb *lkb, struct dlm_message *ms)
        put_rsb(r);
 }
 
-static void receive_unlock_reply(struct dlm_ls *ls, struct dlm_message *ms)
+static int receive_unlock_reply(struct dlm_ls *ls, struct dlm_message *ms)
 {
        struct dlm_lkb *lkb;
        int error;
 
        error = find_lkb(ls, ms->m_remid, &lkb);
-       if (error) {
-               log_debug(ls, "receive_unlock_reply from %d no lkb %x",
-                         ms->m_header.h_nodeid, ms->m_remid);
-               return;
-       }
+       if (error)
+               return error;
 
        _receive_unlock_reply(lkb, ms);
        dlm_put_lkb(lkb);
+       return 0;
 }
 
 static void _receive_cancel_reply(struct dlm_lkb *lkb, struct dlm_message *ms)
@@ -3928,20 +3959,18 @@ static void _receive_cancel_reply(struct dlm_lkb *lkb, struct dlm_message *ms)
        put_rsb(r);
 }
 
-static void receive_cancel_reply(struct dlm_ls *ls, struct dlm_message *ms)
+static int receive_cancel_reply(struct dlm_ls *ls, struct dlm_message *ms)
 {
        struct dlm_lkb *lkb;
        int error;
 
        error = find_lkb(ls, ms->m_remid, &lkb);
-       if (error) {
-               log_debug(ls, "receive_cancel_reply from %d no lkb %x",
-                         ms->m_header.h_nodeid, ms->m_remid);
-               return;
-       }
+       if (error)
+               return error;
 
        _receive_cancel_reply(lkb, ms);
        dlm_put_lkb(lkb);
+       return 0;
 }
 
 static void receive_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms)
@@ -3952,7 +3981,7 @@ static void receive_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms)
 
        error = find_lkb(ls, ms->m_lkid, &lkb);
        if (error) {
-               log_error(ls, "receive_lookup_reply no lkb");
+               log_error(ls, "receive_lookup_reply no lkid %x", ms->m_lkid);
                return;
        }
 
@@ -3996,8 +4025,11 @@ static void receive_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms)
        dlm_put_lkb(lkb);
 }
 
-static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms)
+static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms,
+                            uint32_t saved_seq)
 {
+       int error = 0, noent = 0;
+
        if (!dlm_is_member(ls, ms->m_header.h_nodeid)) {
                log_debug(ls, "ignore non-member message %d from %d %x %x %d",
                          ms->m_type, ms->m_header.h_nodeid, ms->m_lkid,
@@ -4010,47 +4042,50 @@ static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms)
        /* messages sent to a master node */
 
        case DLM_MSG_REQUEST:
-               receive_request(ls, ms);
+               error = receive_request(ls, ms);
                break;
 
        case DLM_MSG_CONVERT:
-               receive_convert(ls, ms);
+               error = receive_convert(ls, ms);
                break;
 
        case DLM_MSG_UNLOCK:
-               receive_unlock(ls, ms);
+               error = receive_unlock(ls, ms);
                break;
 
        case DLM_MSG_CANCEL:
-               receive_cancel(ls, ms);
+               noent = 1;
+               error = receive_cancel(ls, ms);
                break;
 
        /* messages sent from a master node (replies to above) */
 
        case DLM_MSG_REQUEST_REPLY:
-               receive_request_reply(ls, ms);
+               error = receive_request_reply(ls, ms);
                break;
 
        case DLM_MSG_CONVERT_REPLY:
-               receive_convert_reply(ls, ms);
+               error = receive_convert_reply(ls, ms);
                break;
 
        case DLM_MSG_UNLOCK_REPLY:
-               receive_unlock_reply(ls, ms);
+               error = receive_unlock_reply(ls, ms);
                break;
 
        case DLM_MSG_CANCEL_REPLY:
-               receive_cancel_reply(ls, ms);
+               error = receive_cancel_reply(ls, ms);
                break;
 
        /* messages sent from a master node (only two types of async msg) */
 
        case DLM_MSG_GRANT:
-               receive_grant(ls, ms);
+               noent = 1;
+               error = receive_grant(ls, ms);
                break;
 
        case DLM_MSG_BAST:
-               receive_bast(ls, ms);
+               noent = 1;
+               error = receive_bast(ls, ms);
                break;
 
        /* messages sent to a dir node */
@@ -4078,6 +4113,30 @@ static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms)
        default:
                log_error(ls, "unknown message type %d", ms->m_type);
        }
+
+       /*
+        * When checking for ENOENT, we're checking the result of
+        * find_lkb(m_remid):
+        *
+        * The lock id referenced in the message wasn't found.  This may
+        * happen in normal usage for the async messages and cancel, so
+        * only use log_debug for them.
+        *
+        * Other errors are expected and normal.
+        */
+
+       if (error == -ENOENT && noent) {
+               log_debug(ls, "receive %d no %x remote %d %x seq %u",
+                         ms->m_type, ms->m_remid, ms->m_header.h_nodeid,
+                         ms->m_lkid, saved_seq);
+       } else if (error == -ENOENT) {
+               log_error(ls, "receive %d no %x remote %d %x seq %u",
+                         ms->m_type, ms->m_remid, ms->m_header.h_nodeid,
+                         ms->m_lkid, saved_seq);
+
+               if (ms->m_type == DLM_MSG_CONVERT)
+                       dlm_dump_rsb_hash(ls, ms->m_hash);
+       }
 }
 
 /* If the lockspace is in recovery mode (locking stopped), then normal
@@ -4095,16 +4154,17 @@ static void dlm_receive_message(struct dlm_ls *ls, struct dlm_message *ms,
                dlm_add_requestqueue(ls, nodeid, ms);
        } else {
                dlm_wait_requestqueue(ls);
-               _receive_message(ls, ms);
+               _receive_message(ls, ms, 0);
        }
 }
 
 /* This is called by dlm_recoverd to process messages that were saved on
    the requestqueue. */
 
-void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms)
+void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms,
+                              uint32_t saved_seq)
 {
-       _receive_message(ls, ms);
+       _receive_message(ls, ms, saved_seq);
 }
 
 /* This is called by the midcomms layer when something is received for
@@ -4653,6 +4713,7 @@ int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
        struct rcom_lock *rl = (struct rcom_lock *) rc->rc_buf;
        struct dlm_rsb *r;
        struct dlm_lkb *lkb;
+       uint32_t remid = 0;
        int error;
 
        if (rl->rl_parent_lkid) {
@@ -4660,6 +4721,8 @@ int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
                goto out;
        }
 
+       remid = le32_to_cpu(rl->rl_lkid);
+
        error = find_rsb(ls, rl->rl_name, le16_to_cpu(rl->rl_namelen),
                         R_MASTER, &r);
        if (error)
@@ -4667,7 +4730,7 @@ int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
 
        lock_rsb(r);
 
-       lkb = search_remid(r, rc->rc_header.h_nodeid, le32_to_cpu(rl->rl_lkid));
+       lkb = search_remid(r, rc->rc_header.h_nodeid, remid);
        if (lkb) {
                error = -EEXIST;
                goto out_remid;
@@ -4696,9 +4759,9 @@ int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
        unlock_rsb(r);
        put_rsb(r);
  out:
-       if (error)
-               log_debug(ls, "recover_master_copy %d %x", error,
-                         le32_to_cpu(rl->rl_lkid));
+       if (error && error != -EEXIST)
+               log_debug(ls, "dlm_recover_master_copy remote %d %x error %d",
+                         rc->rc_header.h_nodeid, remid, error);
        rl->rl_result = cpu_to_le32(error);
        return error;
 }
@@ -4709,41 +4772,49 @@ int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
        struct rcom_lock *rl = (struct rcom_lock *) rc->rc_buf;
        struct dlm_rsb *r;
        struct dlm_lkb *lkb;
-       int error;
+       uint32_t lkid, remid;
+       int error, result;
+
+       lkid = le32_to_cpu(rl->rl_lkid);
+       remid = le32_to_cpu(rl->rl_remid);
+       result = le32_to_cpu(rl->rl_result);
 
-       error = find_lkb(ls, le32_to_cpu(rl->rl_lkid), &lkb);
+       error = find_lkb(ls, lkid, &lkb);
        if (error) {
-               log_error(ls, "recover_process_copy no lkid %x",
-                               le32_to_cpu(rl->rl_lkid));
+               log_error(ls, "dlm_recover_process_copy no %x remote %d %x %d",
+                         lkid, rc->rc_header.h_nodeid, remid, result);
                return error;
        }
 
-       DLM_ASSERT(is_process_copy(lkb), dlm_print_lkb(lkb););
-
-       error = le32_to_cpu(rl->rl_result);
+       if (!is_process_copy(lkb)) {
+               log_error(ls, "dlm_recover_process_copy bad %x remote %d %x %d",
+                         lkid, rc->rc_header.h_nodeid, remid, result);
+               dlm_print_lkb(lkb);
+               return -EINVAL;
+       }
 
        r = lkb->lkb_resource;
        hold_rsb(r);
        lock_rsb(r);
 
-       switch (error) {
+       switch (result) {
        case -EBADR:
                /* There's a chance the new master received our lock before
                   dlm_recover_master_reply(), this wouldn't happen if we did
                   a barrier between recover_masters and recover_locks. */
-               log_debug(ls, "master copy not ready %x r %lx %s", lkb->lkb_id,
-                         (unsigned long)r, r->res_name);
+
+               log_debug(ls, "dlm_recover_process_copy %x remote %d %x %d",
+                         lkid, rc->rc_header.h_nodeid, remid, result);
+       
                dlm_send_rcom_lock(r, lkb);
                goto out;
        case -EEXIST:
-               log_debug(ls, "master copy exists %x", lkb->lkb_id);
-               /* fall through */
        case 0:
-               lkb->lkb_remid = le32_to_cpu(rl->rl_remid);
+               lkb->lkb_remid = remid;
                break;
        default:
-               log_error(ls, "dlm_recover_process_copy unknown error %d %x",
-                         error, lkb->lkb_id);
+               log_error(ls, "dlm_recover_process_copy %x remote %d %x %d unk",
+                         lkid, rc->rc_header.h_nodeid, remid, result);
        }
 
        /* an ack for dlm_recover_locks() which waits for replies from

diff --git a/fs/dlm/lock.h b/fs/dlm/lock.h
index 1a25530..56e2bc6 100644 (file)
--- a/fs/dlm/lock.h
+++ b/fs/dlm/lock.h
@@ -15,7 +15,8 @@
 
 void dlm_dump_rsb(struct dlm_rsb *r);
 void dlm_print_lkb(struct dlm_lkb *lkb);
-void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms);
+void dlm_receive_message_saved(struct dlm_ls *ls, struct dlm_message *ms,
+                              uint32_t saved_seq);
 void dlm_receive_buffer(union dlm_packet *p, int nodeid);
 int dlm_modes_compat(int mode1, int mode2);
 void dlm_put_rsb(struct dlm_rsb *r);

diff --git a/fs/dlm/recoverd.c b/fs/dlm/recoverd.c
index 3780caf..11351b5 100644 (file)
--- a/fs/dlm/recoverd.c
+++ b/fs/dlm/recoverd.c
@@ -54,7 +54,7 @@ static int ls_recover(struct dlm_ls *ls, struct dlm_recover *rv)
        unsigned long start;
        int error, neg = 0;
 
-       log_debug(ls, "dlm_recover %llx", (unsigned long long)rv->seq);
+       log_debug(ls, "dlm_recover %llu", (unsigned long long)rv->seq);
 
        mutex_lock(&ls->ls_recoverd_active);
 
@@ -227,7 +227,7 @@ static int ls_recover(struct dlm_ls *ls, struct dlm_recover *rv)
 
        dlm_grant_after_purge(ls);
 
-       log_debug(ls, "dlm_recover %llx generation %u done: %u ms",
+       log_debug(ls, "dlm_recover %llu generation %u done: %u ms",
                  (unsigned long long)rv->seq, ls->ls_generation,
                  jiffies_to_msecs(jiffies - start));
        mutex_unlock(&ls->ls_recoverd_active);
@@ -237,7 +237,7 @@ static int ls_recover(struct dlm_ls *ls, struct dlm_recover *rv)
 
  fail:
        dlm_release_root_list(ls);
-       log_debug(ls, "dlm_recover %llx error %d",
+       log_debug(ls, "dlm_recover %llu error %d",
                  (unsigned long long)rv->seq, error);
        mutex_unlock(&ls->ls_recoverd_active);
        return error;

diff --git a/fs/dlm/requestqueue.c b/fs/dlm/requestqueue.c
index a44fa22..d3191bf 100644 (file)
--- a/fs/dlm/requestqueue.c
+++ b/fs/dlm/requestqueue.c
@@ -19,6 +19,7 @@
 
 struct rq_entry {
        struct list_head list;
+       uint32_t recover_seq;
        int nodeid;
        struct dlm_message request;
 };
@@ -41,6 +42,7 @@ void dlm_add_requestqueue(struct dlm_ls *ls, int nodeid, struct dlm_message *ms)
                return;
        }
 
+       e->recover_seq = ls->ls_recover_seq & 0xFFFFFFFF;
        e->nodeid = nodeid;
        memcpy(&e->request, ms, ms->m_header.h_length);
 
@@ -76,7 +78,7 @@ int dlm_process_requestqueue(struct dlm_ls *ls)
                e = list_entry(ls->ls_requestqueue.next, struct rq_entry, list);
                mutex_unlock(&ls->ls_requestqueue_mutex);
 
-               dlm_receive_message_saved(ls, &e->request);
+               dlm_receive_message_saved(ls, &e->request, e->recover_seq);
 
                mutex_lock(&ls->ls_requestqueue_mutex);
                list_del(&e->list);